Samsung Display Co., LTD. patent applications published on November 2nd, 2023

Summary of the patent applications from Samsung Display Co., LTD. on November 2nd, 2023

Samsung Display Co., LTD. has recently filed several patents related to light-emitting devices, display devices, and their manufacturing methods. These patents aim to enhance the performance, efficiency, and display quality of electronic apparatus and devices.

Summary: - The patents describe a light-emitting device with specific compounds and interlayers to improve its performance. - A display device with multiple inorganic layers, an opening, and an organic layer is designed to cover the exposed region. - Methods for manufacturing display apparatus involve steps such as forming semiconductor and insulating layers, creating contact holes, and performing cleaning processes. - A method for manufacturing display devices includes forming a mask layer and cutting the preliminary display device precisely along specific processing lines. - Display cells are designed with signal lines, signal pad units, inspection pad units, and power supply voltage lines for signal transmission and inspection. - Display devices with multiple display areas and emission areas are created, with different widths of light blocking layers between adjacent emission areas in each display area. - A light-emitting display device is described with a substrate, pixel circuit unit, LED, encapsulation layer, light blocking layer, and color filters. - A display device with a stretchable substrate is designed with unit regions, island regions, bridge regions, display parts, wiring parts, and an input sensor. - A display device with a display panel, sensor, and anti-reflection layer aims to improve display quality by reducing reflections and blocking unwanted light.

Notable Applications:

• Light-emitting device with specific compounds and interlayers for improved performance.
• Display device with multiple inorganic layers and an organic layer to cover exposed regions.
• Methods for manufacturing display apparatus involving semiconductor and insulating layers, contact holes, and cleaning processes.
• Precise manufacturing of display devices using mask layers and laser cutting.
• Display cells with signal lines, signal pad units, inspection pad units, and power supply voltage lines for signal transmission and inspection.
• Display devices with multiple display areas and emission areas, with different widths of light blocking layers.
• Light-emitting display device with a substrate, pixel circuit unit, LED, encapsulation layer, light blocking layer, and color filters.
• Stretchable substrate for display devices with unit regions, island regions, bridge regions, display parts, wiring parts, and an input sensor.
• Display device with a display panel, sensor, and anti-reflection layer to reduce reflections and block unwanted light.

Patent applications for Samsung Display Co., LTD. on November 2nd, 2023

DISPLAY DEVICE AND BLOOD PRESSURE MEASUREMENT METHOD USING THE SAME (17989543)

Main Inventor

Jong Yeop AN

Brief explanation

The patent application describes a method for measuring blood pressure using a display device.

• The method involves using a display panel with different types of sub-pixels, a pressure sensor, and a photo-sensor.
• The first step is to generate a pulse wave signal based on the light emitted by the first sub-pixels and sensed by the photo-sensor.
• Similarly, a second pulse wave signal is generated based on the light emitted by the second sub-pixels and sensed by the photo-sensor.
• The next step is to generate a third pulse wave signal by removing noise from the second pulse wave signal using the first pulse wave signal, the second pulse wave signal, and the maximum value of the first pulse wave signal.
• Finally, blood pressure information is calculated based on the third pulse wave signal and the pressure measurement value from the pressure sensor, and this information is displayed on the display panel.

Abstract

A blood pressure measurement method using a display device including: a display panel including first sub-pixels and second sub-pixels; a pressure sensor to sense a pressure applied from the outside; and a photo-sensor to sense light, includes: generating a first pulse wave signal according to light emitted by the first sub-pixels and sensed by the photo-sensor; generating a second pulse wave signal according to light emitted by the second sub-pixels and sensed by the photo-sensor; generating a third pulse wave signal by removing noise from the second pulse wave signal based on the first pulse wave signal, the second pulse wave signal, and a maximum value of the first pulse wave signal; and calculating blood pressure information based on the third pulse wave signal and a pressure measurement value sensed by the pressure sensor. The blood pressure information is displayed on the display panel.

METAL MASK, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING DISPLAY PANEL USING THE METAL MASK (18347956)

Main Inventor

Hyosung KIM

Brief explanation

- The patent application is for a deposition mask that is used in a deposition process.

- The deposition mask has a metal mask body with a deposition opening. - The metal mask body is coated with a layer of aluminum oxynitride on its outer surface. - The purpose of the coating is to enhance the performance and durability of the deposition mask. - The aluminum oxynitride coating provides improved resistance to wear and corrosion. - The deposition mask with the aluminum oxynitride coating can be used in various deposition processes, such as thin film deposition or semiconductor manufacturing. - The innovation lies in the use of aluminum oxynitride as a coating material for the metal mask body, which offers superior properties compared to traditional coatings.

Abstract

A deposition mask includes a metal mask body in which a deposition opening is defined; and a coating layer including aluminum oxynitride, on an outer surface of the metal mask body.

DISPLAY DEVICE (18218565)

Main Inventor

Dong Woo SEO

Brief explanation

- The patent application describes a display device with a display panel and two digitizer layers.

- The first digitizer layer is separated from the second digitizer layer. - The device includes two plate members, one on each digitizer layer. - Each plate member has multiple plate portions and hinge portions that allow the plate portions to rotate. - The purpose of this design is to provide a display device with improved flexibility and durability.

Abstract

A display device includes a display panel; a first digitizer layer disposed on the display panel; a second digitizer layer disposed on the display panel and separated from the first digitizer layer, a first plate member disposed on the first digitizer layer, and a second plate member disposed on the second digitizer layer, wherein each of the first plate member and the second plate member includes a plurality of plate portions and one or more hinge portions configured to rotatably connect the plurality of plate portions to each other.

DISPLAY DEVICE (17794050)

Main Inventor

Taehyeog JUNG

Brief explanation

The patent application describes a display device that can switch between two modes.

• The display module consists of three portions: a first portion, a second portion, and a bent third portion.
• A support part, including a support plate and support bars, provides stability to the display module.
• A plate part with a movable magnet allows for adjusting the distance between the first portion and the magnet.
• A driving part is responsible for controlling the movement of the magnet.
• When switching to the second mode, the third portion aligns parallel to the first portion, and the magnet overlaps with the third portion.

Abstract

A display device variable between a first mode and a second mode includes a display module including a first portion, a second portion disposed under the first portion, and a third portion disposed between the first portion and the second portion, where the third portion is bent in the first mode, a support part including a support plate disposed under the first portion and a plurality of support bars under the second portion and the third portion, a plate part disposed under the support part and including a magnet part movable in a first direction to be away from or to approach the first portion, and a driving part disposed under the plate part. When being switched from the first mode to the second mode, the third portion is disposed parallel to the first portion, and the magnet part moves in the first direction to overlap the third portion.

METHOD OF MANUFACTURING DISPLAY DEVICE (18069402)

Main Inventor

SUCHANG RYU

Brief explanation

- The patent application describes a method of manufacturing a display device.

- The method involves etching a metal plate with a closed curve shape, which is then laminated to a display module. - A cutting line is defined corresponding to the etching line, and the display module and metal plate are cut together along this line. - The purpose of this method is to create a display device with improved rigidity and durability. - The etched metal plate provides additional support to the display panel, enhancing its overall strength. - The cutting process ensures that the metal plate and display module are seamlessly integrated. - This innovation aims to simplify the manufacturing process of display devices while improving their structural integrity.

Abstract

A method of manufacturing a display device includes defining an etching line having a shape of a closed curve on a metal plate having a rigidity higher than a rigidity of a display panel, etching the metal plate along the etching line, laminating the etched metal plate to a display module including the display panel, defining a cutting line corresponding to the etching line, and cutting the display module and the metal plate laminated to the display module together with each other along the cutting line.

DISPLAY MODULE (18112811)

Main Inventor

NAMJIN JANG

Brief explanation

- The patent application describes a display module that consists of a display part and a protection part.

- The display part includes a display panel with a bending area, a first area for displaying images, and a second area that overlaps the first area. - A circuit board is placed on the display panel in the second area. - The protection part includes a protective film with a top surface facing the second area and the circuit board. - The protective film has an opening that aligns with the bending area. - A cushion layer is placed on the top surface of the protective film. - The purpose of this innovation is to provide protection for the display module while allowing for bending of the display panel. - The protective film and cushion layer help prevent damage to the circuit board and other components during bending. - This design allows for a flexible display module that can be used in various applications.

Abstract

A display module includes a display part and a protection part disposed under the display part. The display part may include a display panel including a bending area bent about a bending axis extending in a direction, a first area disposed at a side of the bending area and displaying an image, and a second area disposed at another side of the bending area and overlapping the first area in a plan view; and a circuit board disposed on the display panel in the second area. The protection part may include a protective film including a top surface facing the second area and the circuit board and an opening overlapping the bending area in a plan view; and a cushion layer disposed on the top surface of the protective film.

DISPLAY DEVICE AND POSITION INPUT SYSTEM INCLUDING THE SAME (17937483)

Main Inventor

Eun Young KIM

Brief explanation

- The patent application is about a display device and a position input system.

- The display device includes a display panel and a display unit with multiple emission areas. - It also has touch electrodes placed between the emission areas to sense touch input. - The device includes position code patterns that overlap with the touch electrodes. - The touch electrodes formed in the position code pattern regions have a wider width than the position code patterns on the front surface. - The width difference is in the horizontal direction, which is parallel to the display panel's extending plane.

Abstract

The present disclosure relates to a display device and a position input system including the same. According to an embodiment of the disclosure, a display device includes a display panel, a display unit disposed on the display panel and comprising a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas and configured to sense a touch input, and a plurality of position code patterns. Each of the plurality of position code patterns is disposed to overlap a corresponding touch electrode in a position code pattern forming region. A width in a horizontal direction of the touch electrodes formed in the position code pattern forming regions is greater than a width in the horizontal direction of the position code patterns overlapping on a front surface thereof. The horizontal direction is parallel to an extending plane of the display panel.

SENSING PANEL AND DISPLAY DEVICE INCLUDING SENSING PANEL (18103591)

Main Inventor

Keum Dong JUNG

Brief explanation

The patent application describes a sensing panel that includes a touch sensor and a biometric sensor.

• The touch sensor collects information about touch inputs in a specific area.
• The touch sensor has sensing pattern layers, which consist of cell electrodes and bridge electrodes that connect them.
• The biometric sensor collects biometric information in a separate area.
• The biometric sensor has biometric sensing pattern layers and trace lines that connect to them.
• The trace lines and some of the bridge electrodes are located on the same layer.
• In a plan view, the trace lines bypass the bridge electrodes.

Abstract

A sensing panel includes a touch sensor that obtains information of a touch input in a sensing area, and a biometric sensor that obtains biometric information in a biometric sensing area. The touch sensor includes sensing pattern layers in the sensing area. The sensing pattern layers include cell electrodes and bridge electrodes electrically connecting the cell electrodes. The biometric sensor includes biometric sensing pattern layers in the biometric sensing area and trace lines electrically connected to the biometric sensing pattern layers. The trace lines and at least a portion of the bridge electrodes are disposed on a same layer. The trace lines bypass the bridge electrodes in a plan view.

DISPLAY DEVICE (18188327)

Main Inventor

DONGHAK PYO

Brief explanation

The patent application describes a display device with an input sensing unit on the display panel.

• The input sensing unit includes sensing pads, sensing electrodes, and sensing wirings.
• The sensing electrodes are arranged in rows and columns and overlap the display area.
• The sensing wirings consist of first trace wirings and second trace wirings on different layers.
• The sensing electrodes include four rows: first row, second row, third row, and fourth row.
• The first trace wirings are connected to the first and second row sensing electrodes.
• The second trace wirings are connected to the third and fourth row sensing electrodes.

Abstract

A display device includes a display panel and an input sensing unit on the display panel, the input sensing unit includes sensing pads, sensing electrodes overlapping the display area and arranged in rows and columns, and sensing wirings connecting the sensing pads and the sensing electrodes, the sensing wirings include first trace wirings and second trace wirings on different layers, the sensing electrodes include a first row sensing electrode and a second row sensing electrode, and a third row sensing electrode and a fourth row sensing electrode, the first trace wirings are connected to each of the first row sensing electrode and the second row sensing electrode, and the second trace wirings are connected to each of the third row sensing electrode and the fourth row sensing electrode.

DISPLAY APPARATUS (18200814)

Main Inventor

Kiwook KIM

Brief explanation

- The patent application describes a display apparatus with a display region and a non-display region on a substrate.

- The display element layer contains display elements in the display region. - A pad group consisting of output pads is located in the non-display region. - A touch electrode layer is placed on top of the display element layer. - A touch insulating layer is also provided on the display element layer and makes contact with the touch electrode layer. - An intaglio pattern is present in the touch insulating layer, specifically in the non-display region. - The intaglio pattern does not overlap with the pad group.

Abstract

A display apparatus includes a substrate including a display region and a non-display region, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer. The display element layer includes display elements provided in the display region in a plan view. The pad group may include output pads provided on substrate and provided in the non-display region in the plan view. The touch electrode layer is provided on the display element layer. The touch insulating layer is provided on the display element layer and contacts the touch electrode layer. An intaglio pattern is provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern is not overlapped with the pad group.

ELECTRONIC DEVICE AND ELECTRONIC DEVICE TESTING METHOD (18087627)

Main Inventor

Kihyun PYUN

Brief explanation

The patent application describes an electronic device with a display panel divided into two regions.

• The device includes multiple circuit films, circuit boards, and cables for connecting various components.
• The main circuit board has a power generation unit that supplies power to the display panel.
• There are two power measurement units, one for each region, that measure the current provided to each region.
• An overcurrent protection unit is included to cut off power if the current exceeds a reference value.

Abstract

An electronic device includes: a display panel including an active area including a first region and a second region, a plurality of first circuit films, a plurality of second circuit films, a first circuit board, a second circuit board, a first circuit cable, a second circuit cable, and a main circuit board. The main circuit board includes: a power generation unit, which provides power to the display panel, a first power measurement unit electrically connected to the first circuit cable and the power generation unit, and, which measures a first current provided to the first region, a second power measurement unit electrically connected to the second circuit cable and the power generation unit, and, which measures a second current provided to the second region, and an overcurrent protection unit, which cuts off the power based on the reference current and each of the first and second currents.

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME (18132376)

Main Inventor

HYUN GUE KIM

Brief explanation

The patent application describes a display device with a housing and a display panel that can be inserted into or withdrawn from the housing.

• The display panel has two areas, a first display area and a second display area, separated by a boundary line.
• The device includes a battery that powers the display panel and a processor that controls the display modes.
• In the display mode, the first display area is withdrawn from the housing while the second display area is inserted, and the processor drives the first display area to show an image.
• In the charging mode, the processor drives the second display area to charge the battery, ensuring that the degradation of pixels in the second display area is equal to the degradation of pixels in the first display area.

Abstract

A display device includes a housing, a display panel inserted into or withdrawn from the housing. The display panel includes a first display area and a second display area adjacent to the first display area with a boundary line therebetween, a battery which provides a power to the display panel, and a processor which drives the first display area in a display mode, in which the display panel displays an image in a state in which the first display area is withdrawn from the housing and the second display area is inserted into the housing. The processor drives the second display area in a charging mode, in which the battery is charged, in a way such that an average of degradation degrees of second pixels included in the second display area is equal to an average of degradation degrees of first pixels included in the first display area.

PIXEL CIRCUIT AND DISPLAY DEVICE HAVING THE SAME (18119502)

Main Inventor

SUNHO KIM

Brief explanation

The patent application describes a pixel circuit that includes multiple transistors and gate signals to control the operation of the circuit.

• The pixel circuit includes a first transistor and a second transistor.
• The second transistor receives a write gate signal generated based on clock signals.
• The first electrode of the second transistor receives a data voltage.
• The second electrode of the second transistor is electrically connected to the first transistor.
• The pixel circuit also includes a third transistor and a fourth transistor.
• The third transistor receives a compensation gate signal generated based on a next write gate signal.
• The first and second electrodes of the third transistor are electrically connected to the first transistor.
• The fourth transistor receives an initialization gate signal generated based on a previous write gate signal.
• The first electrode of the fourth transistor receives a first initialization voltage.
• The second electrode of the fourth transistor is electrically connected to the first transistor.

Abstract

A pixel circuit includes a first transistor, a second transistor including a control electrode receiving a write gate signal generated based on clock signals having a duration of M horizontal time, M being a positive integer greater than or equal to 2, a first electrode receiving a data voltage, and a second electrode electrically connected to the first transistor, a third transistor including a control electrode receiving a compensation gate signal generated based on a first next write gate signal applied after the write gate signal is applied, a first and second electrodes electrically connected to the first transistor, and a fourth transistor including a control electrode receiving an initialization gate signal generated based on a previous write gate signal applied before the write gate signal is applied, a first electrode receiving a first initialization voltage, and a second electrode electrically connected to the first transistor.

GATE DRIVER AND DISPLAY APPARATUS INCLUDING THE SAME (18084591)

Main Inventor

HAI-JUNG IN

Brief explanation

The abstract describes a gate driver that includes a carry signal generating circuit and a shift register circuit.

• The carry signal generating circuit receives a vertical start signal and outputs first and second carry signals.
• The shift register circuit receives the first and second carry signals and outputs a first stage first carry signal, a first stage second carry signal, and a first stage gate output signal.
• The carry signal generating circuit includes a first carry generator and a second carry generator.
• The shift register circuit includes a first stage first carry generator, a first stage second carry generator, and a first stage output buffer.

Abstract

A gate driver includes a carry signal generating circuit and a shift register circuit. The carry signal generating circuit receives a vertical start signal and outputs first and second carry signals. The shift register circuit receives the first and second carry signals and outputs a first stage first carry signal, a first stage second carry signal and a first stage gate output signal. The carry signal generating circuit includes a first carry generator generating the first carry signal and a second carry generator generating the second carry signal. The shift register circuit includes a first stage first carry generator generating the first stage first carry signal, a first stage second carry generator generating the first stage second carry signal and a first stage output buffer outputting the first stage gate output signal.

DISPLAY DEVICE AND TILED DISPLAY DEVICE INCLUDING THE SAME (18349937)

Main Inventor

Dong Hee SHIN

Brief explanation

The patent application describes a display device with multiple display areas, each consisting of scan lines, data lines, and pixels.

• The display device includes two source driving circuits, one for each display area.
• There are also two scan driving circuits, one for each source driving circuit.
• The first scan driving circuit receives a clock signal from the first source driving circuit and outputs scan signals to a specific group of scan lines.
• The second scan driving circuit receives a clock signal from the second source driving circuit and outputs scan signals to a different group of scan lines.

Abstract

A display device includes: a display panel including a plurality of display areas, the display areas including scan lines, data lines, and pixels connected to the scan lines and the data lines; a first source driving circuit connected to the data lines of a first display area from among the display areas; a second source driving circuit connected to the data lines of a second display area from among the display areas; a first scan driving circuit configured to receive a first clock signal from the first source driving circuit and to output first scan signals to a first group of scan lines from among the scan lines based on the first clock signal; and a second scan driving circuit configured to receive a second clock signal from the second source driving circuit and to output second scan signals to a second group of scan lines.

DISPLAY DEVICE (18107681)

Main Inventor

Hee Rim SONG

Brief explanation

The patent application describes a display with several components to control light emission and sensing.

• The display includes a light emitting element that emits light.
• A driving transistor is used to control the driving current flowing through the light emitting element.
• A light sensing element is positioned away from the light emitting element and generates a photocurrent based on external light.
• A first sensing transistor controls a sensing current flowing to a readout line based on the voltage of its gate electrode, which is connected to an electrode of the light sensing element.
• A shielding electrode is placed around the side of the gate electrode of the first sensing transistor in plan view.

Abstract

A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME (18124044)

Main Inventor

KIHYUN PYUN

Brief explanation

The patent application describes a display device with various components to monitor and control the display panel.

• The display panel shows an image and consists of pixels.
• The driving voltage controller has an overcurrent detector that generates an alert signal when the driving current exceeds a reference current.
• The load calculator calculates the load of input image data when the alert signal is received and generates a load escape signal if the load is higher than a reference load.
• The vertical blank counter counts the time of a vertical blank period when both the alert signal and load escape signal are present, and generates a counter escape signal if the count value exceeds a reference count value.
• The driving voltage generator adjusts the driving voltage provided to the display panel based on the alert signal and the counter escape signal.

Abstract

A display device may include a display panel displaying an image and including pixels, a driving voltage controller including an overcurrent detector generating an alert signal when a driving current of the display panel is greater than a reference current, a load calculator calculating a load of input image data in response to the alert signal and generating a load escape signal when the load is greater than a reference load, a vertical blank counter generating a vertical blank count value by counting a time of a vertical blank period in response to the alert signal and the load escape signal, and generating a counter escape signal when the vertical blank count value is greater than a reference count value, and a driving voltage generator altering a driving voltage provided to the display panel in response to the alert signal and the counter escape signal.

DISPLAY PANEL HAVING AN INPUT SENSING FUNCTION AND A DISPLAY DEVICE (18218220)

Main Inventor

Goeun CHA

Brief explanation

The patent application describes a display panel that includes both light emitting pixels and light sensing pixels.

• The light emitting pixels emit light in response to specific scan signals and a light emission control signal.
• The light sensing pixels output a sensing signal that corresponds to external light in response to the same scan signals.
• Each light emitting pixel contains an organic light emitting diode (OLED) with an anode and a cathode.
• The cathode of the OLED receives a first driving voltage.
• Each light sensing pixel contains an organic photodiode with a first electrode and a second electrode.
• The second electrode of the organic photodiode is electrically connected to the cathode of the OLED to receive the first driving voltage.

Abstract

A display panel including: a plurality of light emitting pixels which emit light in response to a first scan signal, a second scan signal, and a light emission control signal; and a plurality of light sensing pixels which output a sensing signal corresponding to external light in response to the first scan signal and the second scan signal, wherein each of the plurality of light emitting pixels includes an organic light emitting diode including an anode and a cathode, the cathode receiving a first driving voltage, and each of the plurality of light sensing pixels includes an organic photodiode including a first electrode and a second electrode, wherein the second electrode of the organic photodiode is electrically connected to the cathode of the organic light emitting diode to receive the first driving voltage.

DISPLAY DEVICE (18220273)

Main Inventor

Jun-yong AN

Brief explanation

The patent application describes a display device with a non-display region and a display region.

• The display panel of the device has a base layer with different regions.
• The first region of the base layer has a hole corresponding to the non-display region.
• The second region surrounds the first region, and the third region corresponds to the display region.
• The device also includes first signal line parts that are arranged on the second and third regions.
• The first signal line parts are spaced apart from each other in a first direction.
• Each first signal line part consists of a first line, a second line, and a first connection part that connects the first and second lines.

Abstract

A display device includes: a display panel in which a non-display region and a display region surrounding the non-display region are defined, wherein the display panel includes: a base layer comprising a first region in which a hole is defined corresponding to the non-display region, a second region surrounding the first region, and a third region corresponding to the display region; and first signal line parts disposed on the second region and the third region, the first signal line parts arrayed spaced apart from each other in a first direction, and each of the first signal line parts includes: a first line; a second line spaced apart from the first line; and a first connection part configured to connect the first line and the second line.

SCAN DRIVER (18137348)

Main Inventor

Haijung IN

Brief explanation

The abstract describes a scan driver that has multiple stages.

Each stage of the scan driver includes an output controller with a pull-down transistor. The pull-down transistor has two gates - a first gate and a second gate. The first gate is connected to a third control node or a node connected to the third control node. The second gate is connected to a third voltage input terminal that receives a third voltage of a second voltage level.

• The patent application is for a scan driver with multiple stages.
• Each stage of the scan driver has an output controller with a pull-down transistor.
• The pull-down transistor has two gates - a first gate and a second gate.
• The first gate is connected to a third control node or a node connected to the third control node.
• The second gate is connected to a third voltage input terminal.
• The third voltage input terminal receives a third voltage of a second voltage level.

Abstract

According to an embodiment, a scan driver includes a plurality of stages. An output controller of each of the stages includes a pull-down transistor, and the pull-down transistor includes a first gate and a second gate, where the first gate is electrically connected to a third control node or a node electrically connected to the third control node, and the second gate is connected to a third voltage input terminal to which a third voltage of a second voltage level is applied.

SYSTEM FOR TRANSFERRING SUBSTRATE AND METHOD FOR TRANSFERRING SUBSTRATE USING THE SAME (18347971)

Main Inventor

Heungyeol NA

Brief explanation

The patent application describes a system for transferring substrates.

• The system includes a substrate transporter, a tray, a substrate mover, and an imager.
• The substrate transporter captures a first image to determine the position of the substrate.
• The tray captures a second image to determine the position of each substrate relative to the tray.
• The substrate mover is responsible for moving the substrate between the transporter and the tray.
• The substrate mover includes an arm portion and a substrate securing portion.
• The imager is connected to the arm portion and captures the first and second images.
• The imager moves in a revolving manner with the arm portion between the transporter and the tray.

Abstract

A system for transferring a substrate includes a substrate transporter at which is captured a first image with which a position of the substrate at the substrate transporter is determined; a tray at which is captured a second image with which a position of each of a plurality of substrates relative to the tray is determined; a substrate mover with which the substrate is movable in a revolving manner between the substrate transporter and the tray, the substrate mover including: an arm portion movable in the revolving manner between the substrate transporter and the tray, and a substrate securing portion movable together with the arm portion; and an imager with which the first image and the second image are captured, the imager connected to the arm portion and movable in the revolving manner between the substrate transporter and the tray together with the arm portion.

DISPLAY DEVICE (17998629)

Main Inventor

Hyun Deok IM

Brief explanation

The patent application describes a display device with multiple pixel areas and pixels.

• The display device includes a substrate with pixel areas and pixels.
• Each pixel has a first and second electrode that extend in one direction and are spaced apart in another direction.
• A bank pattern is present between the substrate and the electrodes, with multiple sub-bank patterns in the same column and spaced apart.
• The pixel also includes multiple light emitting elements between the electrodes.
• The first and second electrodes have multiple widths in the second direction along the first direction.

Abstract

A display device includes a substrate including a plurality of pixel areas; and a pixel provided in each of the pixel areas. The pixel may include a first electrode and a second electrode extending in a first direction on the substrate and spaced from each other in a second direction different from the first direction; a bank pattern between the substrate and the first electrode and between the substrate and the second electrode, and including at least two sub-bank patterns in a same column and spaced from each other; and a plurality of light emitting elements between the first and second electrodes. Here, each of the first and second electrodes may have at least two or more widths in the second direction along the first direction.

LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS (18008389)

Main Inventor

Hyung Rae CHA

Brief explanation

The patent application describes a light-emitting device that consists of a light-emitting device core, an electrode layer, and an insulating film. 

• The light-emitting device core is made up of a first semiconductor layer, a second semiconductor layer, and an active layer in between.
• The electrode layer is located on top of the second semiconductor layer of the light-emitting device core.
• An insulating film surrounds the side surface of the light-emitting device core.
• The side surface of the electrode layer extends outward from the side surface of the second semiconductor layer.

Abstract

A light-emitting device includes: a light-emitting device core including a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; an electrode layer on the second semiconductor layer of the light-emitting device core, and an insulating film around a side surface of the light-emitting device core, wherein a side surface of the electrode layer protrudes outward from a side surface of the second semiconductor layer.

DISPLAY DEVICE (18075504)

Main Inventor

Yuk Hyun NAM

Brief explanation

The patent application describes a display device with a specific pattern on a substrate.

• The device includes a first bank pattern, second bank patterns, and connection portions.
• A first electrode is placed on the first bank pattern, while a second electrode is on one of the second bank patterns, and a third electrode is on another second bank pattern.
• An insulating layer covers the bank pattern and electrodes.
• Light emitting elements are positioned between the first electrode and the second electrode, and between the first electrode and the third electrode.

Abstract

A display device comprises a bank pattern disposed on a substrate and including a first bank pattern extended in a direction, second bank patterns adjacent to each other with the first bank pattern disposed between the second bank patterns, and connection portions connecting the first bank pattern with the second bank patterns, a first electrode disposed on the first bank pattern, a second electrode disposed on one of the second bank patterns, and a third electrode disposed on another one of the second bank patterns, an insulating layer disposed on the bank pattern, the first electrode, the second electrode, and the third electrode, and light emitting elements disposed between the first electrode and the second electrode, and between the first electrode and the third electrode.

DISPLAY DEVICE (18116425)

Main Inventor

Hyeong Seok KIM

Brief explanation

The patent application describes a display device with multiple components including a substrate, semiconductor layer, gate electrode, storage electrode, and electrode.

• The display device includes a substrate, which serves as the base for the other components.
• A first semiconductor layer is placed on the substrate, providing a foundation for the device's functionality.
• A first gate electrode is positioned on top of the first semiconductor layer, controlling the flow of electrical current.
• A first storage electrode overlaps with part of the first gate electrode, creating a capacitor that stores electrical charge.
• A first electrode is placed on the first storage electrode, forming a second capacitor with it.
• The first storage electrode and the first electrode have openings that align with each other, allowing for electrical connection between them.

Abstract

A display device including a substrate, a first semiconductor layer disposed on the substrate, a first gate electrode disposed on the first semiconductor layer, a first storage electrode overlapping at least a portion of the first gate electrode and forming a first capacitor with the first gate electrode, and a first electrode disposed on the first storage electrode and forming a second capacitor together with the first storage electrode. The first storage electrode includes a first opening, the first electrode includes a second opening, and the first opening and the second opening overlap each other.

DISPLAY DEVICE (18071894)

Main Inventor

SOODONG KIM

Brief explanation

The abstract describes a display device that includes a color conversion pattern and a color reinforcement pattern.

• The color conversion pattern consists of first red quantum dots.
• The color reinforcement pattern is located next to the color conversion pattern and consists of second red quantum dots.
• An emission layer is placed on top of the color reinforcement pattern.
• The concentration of the second red quantum dots in the color reinforcement pattern is lower than the concentration of the first red quantum dots in the color conversion pattern.

Abstract

A display device includes a color conversion pattern including first red quantum dots, a color reinforcement pattern adjacent to the color conversion pattern and including second red quantum dots, and an emission layer disposed on the color reinforcement pattern. A concentration of the second red quantum dots in the color reinforcement pattern is less than a concentration of the first red quantum dots in the color conversion pattern.

DISPLAY DEVICE (18018934)

Main Inventor

Jung Hwan YI

Brief explanation

The patent application describes a display device with a substrate, electrodes, a reflective layer, and light emitting elements.

• The display device has a substrate with multiple pixels.
• It includes a first electrode and a second electrode that are separated from each other.
• An insulating reflective layer is placed on top of the electrodes.
• The device also has multiple light emitting elements that are connected to the electrodes.
• The insulating reflective layer consists of multiple first and second layers with different refractive indexes.
• The first and second layers are stacked alternately.

Abstract

A display device includes a substrate including a plurality of pixels, a first electrode and a second electrode disposed on the substrate and spaced apart from each other, an insulating reflective layer disposed on the first electrode and the second electrode, and a plurality of light emitting elements disposed between the first electrode and the second electrode and electrically connected to the first electrode and the second electrode, wherein the insulating reflective layer includes a plurality of first layers and the plurality of second layers having different refractive indexes, and the the plurality of first layers and the the plurality of second layers are alternately stacked with each other.

DISPLAY DEVICE (18022402)

Main Inventor

Chul Jong YOO

Brief explanation

The patent application describes a technology for a display device that includes a substrate with multiple pixels and transistors, a passivation layer, and electrodes.

• The display device also includes an insulating layer and a reflective layer.
• Light emitting elements are placed between the electrodes and connected to them.
• The reflective layer is positioned between the passivation layer and the light emitting elements.
• The technology aims to improve the performance and efficiency of display devices.

Abstract

A includes a substrate including a plurality of pixels, a plurality of transistors disposed on the substrate, a passivation layer overlapping the plurality of transistors, a first electrode and a second electrode disposed on the passivation layer and spaced apart from each other, an insulating layer disposed on the first electrode and the second electrode, a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer and electrically connected to the first electrode and the second electrode, and an insulating reflective layer disposed between the passivation layer and the plurality of light emitting elements.

DISPLAY DEVICE (17998650)

Main Inventor

Sang Hoon LEE

Brief explanation

The patent application describes a structure for a light emitting device, which includes the following components:

• Substrate: A base material on which the device is built.
• First electrode and second electrode: Two electrodes placed on the substrate, with a gap between them.
• Light emitting element: Positioned between the first and second electrodes, this element emits light.
• Insulating pattern: A patterned layer on top of the light emitting element, which prevents electrical contact.
• First contact electrode: Located on one side of the insulating pattern, it connects to the first electrode and one end of the light emitting element.
• Second contact electrode: Positioned on the other side of the insulating pattern, it connects to the second electrode and the other end of the light emitting element.
• Surface of the insulating pattern: It has a concave-convex pattern, meaning it has a textured surface.

The innovation in this patent application lies in the specific structure and arrangement of the electrodes, light emitting element, and insulating pattern, as well as the inclusion of a concave-convex pattern on the surface of the insulating pattern.

Abstract

A includes a substrate, a first electrode and a second electrode on the substrate and spaced from each other, a light emitting element between the first electrode and the second electrode, an insulating pattern on the light emitting element, a first contact electrode on one side of the insulating pattern and contacting the first electrode and one end of the light emitting element, and a second contact electrode on another side of the insulating pattern and contacting the second electrode and an other end of the light emitting element, and a surface of the insulating pattern includes a concave-convex pattern.

MOLD FOR PRINTING WIRING AND METHOD FOR MANUFACTURING DISPLAY DEVICE USING THE SAME (18170490)

Main Inventor

Jong Hyup KIM

Brief explanation

The abstract describes a mold used for printing wiring.

• The mold consists of a bendable part between two lever parts.
• There are three protruding portions on the top face of the bendable part.
• The first and second protruding portions are spaced apart with a hinge groove in between.
• The same applies to the first and third protruding portions.
• The width of each hinge groove increases as it extends upward in thickness.
• The purpose of the mold is to simplify the process of printing wiring.

Abstract

A mold for printing a wiring includes: a bendable part between a first lever part and a second lever part; a first protruding portion protruding from a top face of the bendable part; a second protruding portion protruding from the top face of the bendable part and at one side of the first protruding portion; and a third protruding portion protruding from the top face of the bendable part and at the other side of the first protruding portion. The first and second protruding portions are spaced apart from each other with a first hinge groove therebetween, the first and third protruding portions are spaced apart from each other with a second hinge groove therebetween, and a width of each of the first and second hinge grooves increases as they respectively extends upwardly in the thickness direction.

QUANTUM DOT COMPOSITION, LIGHT-EMITTING DEVICE USING THE QUANTUM DOT COMPOSITION, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE (18301823)

Main Inventor

Yunku Jung

Brief explanation

The patent application describes a quantum dot composition used in light-emitting devices and electronic apparatus.

• The quantum dot composition includes a semiconductor compound made of a ternary or quaternary compound.
• The composition also includes a scavenger represented by Formula 1.
• The light-emitting device incorporates the quantum dot composition.
• The electronic apparatus includes the light-emitting device.
• The invention aims to improve the performance and efficiency of light-emitting devices using quantum dot technology.

Abstract

Provided are a quantum dot composition, a light-emitting device including the quantum dot composition, and an electronic apparatus including the light-emitting device, wherein the quantum dot composition includes: a quantum dot comprising a semiconductor compound including a ternary compound and/or a quaternary compound; and a scavenger represented by Formula 1.

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME (18309448)

Main Inventor

Hyerim Kim

Brief explanation

The abstract describes a light-emitting device that consists of two electrodes and an interlayer with an emission layer in between. The emission layer contains specific compounds and organometallic compounds.

• Light-emitting device with specific composition of compounds and organometallic compounds
• Consists of a first electrode and a second electrode facing each other
• An interlayer is present between the electrodes
• The interlayer contains an emission layer
• The emission layer includes a first compound, a second compound, a third compound, a first organometallic compound, and a second organometallic compound.

Abstract

Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound, a second compound, a third compound, a first organometallic compound, and a second organometallic compound. The first compound to the third compound, the first organometallic compound, and the second organometallic compound are respectively as described in the present specification.

LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING SAME (18218563)

Main Inventor

Dongchan Kim

Brief explanation

The patent application describes a light-emitting device and an apparatus that includes this device.

• The device consists of a first electrode, a second electrode, and an organic layer between them.
• The organic layer contains m emission units and (m-1) charge generating units.
• Each charge generating unit is positioned between two adjacent emission units.
• The value of m is a natural number of 2 or greater.
• At least one of the (m-1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer.
• The n-type charge generating layer consists of an n-type organic compound and a metal material.
• The p-type charge generating layer and the p-type hole injection layer each contain an inorganic semiconductor material.

Abstract

A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

DISPLAY PANEL AND DISPLAY DEVICE (18338094)

Main Inventor

Kyungmin KIM

Brief explanation

The patent application describes a display panel with various display areas and an intermediate display element.

• The display panel includes a front display area, first side display area, second side display area, corner display area, and intermediate display area.
• The intermediate display element in the intermediate display area includes a pixel electrode.
• A lower layer between the substrate and the pixel electrode has a groove.
• A dam portion on the lower layer defines a boundary between the intermediate display area and the corner display area.
• The groove includes a first groove parallel to the dam portion and a second groove crossing the dam portion.
• The patent application aims to provide a display panel design with improved functionality and visual appeal.

Abstract

A display panel is provided, the display panel including: a substrate including: a front display area; a first side display area; a second side display area; a corner display area between the first side display area and the second side display area; and an intermediate display area between the front display area and the corner display area; an intermediate display element including a pixel electrode in the intermediate display area; a lower layer between the substrate and the pixel electrode, the lower layer including a groove; and a dam portion on the lower layer and extending to define a boundary between the intermediate display area and the corner display area, wherein the groove includes a first groove and a second groove, the first groove extending in parallel with the dam portion, and the second groove extending in a direction crossing a direction in which the dam portion.

DISPLAY DEVICE (18333515)

Main Inventor

Hyun Gue SONG

Brief explanation

The patent application describes a display device with multiple layers to enhance its optical properties and protect the display element. 

• The display device includes a substrate, a display element, a capping layer, an optical layer, and a thin film encapsulation layer.
• The optical layer consists of a first optical layer and a second optical layer, with the second layer having a lower refractive index than the capping layer.
• The thin film encapsulation layer includes a first inorganic encapsulation layer, an auxiliary layer, an organic encapsulation layer, and a second inorganic encapsulation layer.
• The refractive index of the first optical layer is between the refractive index of the second optical layer and the refractive index of the capping layer.
• The design of the display device aims to improve optical performance and protect the display element.

Abstract

A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; an optical layer on the capping layer, and including: a first optical layer on the display element; and a second optical layer on the first optical layer; and a thin film encapsulation layer on the optical layer, and including: a first inorganic encapsulation layer on the second optical layer; an auxiliary layer on the first inorganic encapsulation layer; an organic encapsulation layer on the auxiliary layer; and a second inorganic encapsulation layer on the organic encapsulation layer. A refractive index of the second optical layer is smaller than a refractive index of the capping layer, and a refractive index of the first optical layer is between the refractive index of the second optical layer and the refractive index of the capping layer.

DISPLAY PANEL AND ELECTRIC APPARATUS INCLUDING THE SAME (18349781)

Main Inventor

Taejoon KIM

Brief explanation

- The patent application describes a display panel and an electronic apparatus that includes the display panel.

- The display panel is designed to have a transmittance area and an expanded display area, allowing for the representation of images in an area where an electronic component is located. - The purpose of this design is to reduce or eliminate distortion caused by diffracted light among the light received by the electronic component, particularly when the electronic component is a camera using light. - The display panel includes a substrate, first and second pixel circuits, and first and second display elements. - The first and second pixel circuits are located on the substrate and are spaced apart from each other, with the transmittance area in between. - Each pixel circuit includes a thin film transistor and a storage capacitor. - The first and second display elements are electrically connected to the first and second pixel circuits, respectively. - A first phase shift layer is positioned between the substrate and the pixel circuits, and it has a specific light transmittance property.

Abstract

Provided are a display panel and an electronic apparatus including the same. The display panel has a transmittance area and an expanded display area to enable the representation of images in an area where an electronic component is located and, for example, to remove or decrease the distortion by diffracted light among the light received by the electronic component when the electronic component is an electronic component (e.g., a camera) using light. The display panel includes: a substrate; first pixel circuits and second pixel circuits on the substrate and spaced apart from one another with the transmittance area therebetween, and each including a thin film transistor and a storage capacitor; first and second display elements electrically respectively coupled to the first and second pixel circuits; and a first phase shift layer between the substrate and the first and second pixel circuits and having a first light transmittance.

DISPLAY DEVICE HAVING A TRANSPARENT MASK THAT INCLUDES A TRANSPARENT OXIDE (18220195)

Main Inventor

Yang Ho Jung

Brief explanation

The patent application describes a display device with multiple electrodes and pixel circuits on a substrate.

• The device has a pixel defining layer that exposes parts of the electrodes.
• Light emitting layers are placed on the exposed electrodes.
• A second electrode covers the light emitting layers and the pixel defining layer.
• An encapsulation layer is placed on top of the second electrode.
• Light blocking patterns are placed on the encapsulation layer between adjacent opening regions in a specific direction.

Abstract

A display device includes a plurality of first electrodes electrically connected to pixel circuits disposed on a substrate; a pixel defining layer defining a plurality of opening regions, each of the opening regions exposing a portion of each of the first electrodes; a plurality of light emitting layers respectively disposed on the first electrodes in the opening regions; a second electrode covering the light emitting layers and the pixel defining layer; an encapsulation layer disposed on the second electrode; and a plurality of light blocking patterns disposed on the encapsulation layer between the opening regions adjacent to each other in a first direction.

LIGHT EMITTING DISPLAY DEVICE (18098465)

Main Inventor

Chun Gi YOU

Brief explanation

The patent application describes a light emitting display device with a pixel circuit and a repair line on a substrate.

• The device includes a connection electrode that overlaps the repair line in the thickness direction of the substrate.
• An insulating layer is placed on top of the pixel circuit and connection electrode.
• A pixel electrode is then placed on the insulating layer.
• A connection portion is also placed on the insulating layer.
• The pixel electrode has a first electrode portion connected to the pixel circuit through a contact hole in the insulating layer.
• The pixel electrode also has a second electrode portion connected to the connection electrode through another contact hole in the insulating layer.
• The connection portion serves to connect the first and second electrode portions.

Abstract

An embodiment provides a light emitting display device including a pixel circuit disposed on a substrate, a repair line disposed on the substrate, a connection electrode overlapping the repair line in a thickness direction of the substrate, an insulating layer disposed on the pixel circuit and the connection electrode, a pixel electrode disposed on the insulating layer, and a connection portion disposed on the insulating layer. The pixel electrode includes a first electrode portion electrically connected to the pixel circuit through a first contact hole formed in the insulating layer and a second electrode portion electrically connected to the connection electrode through a second contact hole formed in the insulating layer. The connection portion electrically connect the first electrode portion and the second electrode portion.

DISPLAY DEVICE (18302064)

Main Inventor

CHUNGI YOU

Brief explanation

The patent application describes a display device with a display region, wire regions, and a peripheral region.

• The device includes a pixel structure on a substrate and first wires connected to the pixels.
• An inorganic insulating layer covers the first wire region.
• A second wire part is on the inorganic insulating layer, with second wires contacting the first wires through through-holes.
• An organic insulating layer covers the second wire part.
• A protective layer is on top, overlapping the through-holes.

Abstract

A display device includes a display region, a first wire region, a second wire region, and a peripheral region; a pixel structure disposed on a substrate; a first wire part disposed on the substrate in the first wire region, and including first wires electrically connected to the pixel structure; an inorganic insulating layer covering the first wire part; a second wire part disposed on the inorganic insulating layer in the second wire region, and including second wires electrically contacting the first wires through first through-holes formed through the inorganic insulating layer and arranged along a boundary between the first wire region and the second wire region, respectively; an organic insulating layer covering the second wire part; and a protective layer disposed on the organic insulating layer, and at least partially overlapping the first through-holes in a plan view.

DISPLAY PANEL AND DISPLAY APPARATUS INCLUDING THE SAME (18350909)

Main Inventor

Sunghwan KIM

Brief explanation

The patent application describes a display panel with specific wiring configurations to improve the electrical coupling between pixel circuits.

• The display panel includes bypass wirings that connect the main pixel circuits in a first direction and bypass one side of a pixel group at the outermost portion of the component area.
• Horizontal wirings are also present, which connect the main pixel circuits and auxiliary pixel circuits and extend in the same first direction.
• Extension wirings are used between two adjacent pixel groups along the first direction, also extending in the same direction.
• The extension wirings are electrically connected to the horizontal wirings in each of the two pixel groups.
• Importantly, the number of extension wirings is fewer than the number of horizontal wirings.

Abstract

Provided is a display panel including first bypass wirings electrically coupling main pixel circuits in a first direction, and bypassing along one side of a pixel group at an outermost portion of the component area, horizontal wirings electrically coupled to the main pixel circuits and auxiliary pixel circuits and extending in a first direction, and extension wirings between two pixel groups adjacent to each other along the first direction, and extending in the first direction, wherein the extension wirings are electrically coupled to the horizontal wirings included in each of the two pixel groups, and the number of the extension wirings is less than the number of the horizontal wirings.

DISPLAY DEVICE (18118308)

Main Inventor

Shin Hyuk YANG

Brief explanation

The patent application describes a display device with a substrate, emission layer, and signal lines.

• The display device includes a substrate, emission layer, and signal lines.
• The signal lines are electrically connected to the emission layer and include a first signal line.
• The first signal line is made up of multiple layers.
• The first layer of the first signal line includes a refractory metal.
• The second layer of the first signal line includes a low-resistance metal.
• The third layer of the first signal line includes a first metal oxide.
• The fourth layer of the first signal line includes a second metal oxide.
• The first metal oxide in the third layer includes the low-resistance metal from the second layer.

Abstract

A display device includes a substrate, an emission layer disposed on the substrate, and a plurality of signal lines disposed on the substrate, electrically connected to the emission layer, and including a first signal line. The first signal line includes a first layer including a refractory metal, a second layer disposed on the first layer and including a low-resistance metal, a third layer disposed on the second layer and including a first metal oxide, and a fourth layer disposed on the third layer and including a second metal oxide, and the first metal oxide of the third layer includes the low-resistance metal of the second layer.

DISPLAY DEVICE (18192723)

Main Inventor

SUNKWANG KIM

Brief explanation

The patent application describes a display device with a unique configuration of lines and electrodes. 

• The device includes a substrate, which is the base material for the display.
• There is a first lower line on the substrate that extends in one direction and applies a certain voltage to a light emitting element.
• A first upper line is placed on top of the first lower line, extending in a different direction and applying a different voltage.
• The first upper line crosses over the first lower line.
• A first floating electrode is positioned between the first lower line and the first upper line.
• The floating electrode has a crossing portion that overlaps with both the first lower line and the first upper line.
• It also has a portion that extends from the crossing portion in the direction perpendicular to the first lower line.
• Additionally, it has a portion that extends from the crossing portion in the direction parallel to the first lower line.
• The length of the portion extending in the perpendicular direction is longer than the length of the portion extending in the parallel direction.

Abstract

A display device includes a substrate, a first lower line that is disposed on the substrate, extends in a first direction and applies a first voltage to a light emitting element, a first upper line that is disposed on the first lower line, extends in a second direction perpendicular to the first direction, applies a second voltage having different from the first voltage, and crosses the first lower line, and a first floating electrode disposed between the first lower line and the first upper line, including a crossing portion overlapping the first lower line and the first upper line, a first portion extending from the crossing portion in the second direction, and a second portion extending from the crossing portion in the first direction. A length of the first portion in the second direction is longer than a length of the second portion in the first direction.

DISPLAY DEVICE (18173720)

Main Inventor

BOKWANG SONG

Brief explanation

The patent application describes a display device with a display panel and a sensor, along with an anti-reflection layer on the display panel.

• The display panel has a pixel with an emissive area and the sensor has a sensing area.
• The anti-reflection layer includes a light blocking layer with openings that overlap with the emissive and sensing areas.
• A color filter covers the opening that overlaps with the emissive area.
• An over-coating layer is on top of the light blocking layer and covers the color filter.
• A light blocking pattern is on the over-coating layer and overlaps with the area between the openings.
• The purpose of this design is to improve the display quality by reducing reflections and blocking unwanted light.

Abstract

A display device includes: a display panel including a pixel having an emissive area, and a sensor having a sensing area; and an anti-reflection layer on the display panel, the anti-reflection layer including: a light blocking layer having a first opening overlapping with the emissive area, a second opening overlapping with the sensing area, and an intermediate opening between the first opening and the second opening; a color filter covering the first opening; an over-coating layer on the light blocking layer, and covering the color filter; and a light blocking pattern on the over-coating layer, and overlapping with an area between the intermediate opening and the first opening.

DISPLAY DEVICE (18218675)

Main Inventor

SEUNG-LYONG BOK

Brief explanation

The patent application describes a display device with a stretchable substrate that has multiple unit regions, each consisting of island regions and bridge regions connecting them.

• The display panel is placed on the stretchable substrate and consists of display parts and wiring parts.
• The display parts align with the island regions, while the wiring parts align with the bridge regions.
• An input sensor is also present on the display panel, which includes sensing electrodes and subsidiary electrodes.
• The sensing electrodes align with the unit regions, while the subsidiary electrodes are positioned between adjacent sensing electrodes.

Abstract

A display device includes a stretchable substrate that includes a plurality of unit regions. Each of the plurality of unit regions includes a plurality of island regions and at least one bridge region that connects adjacent island regions to each other. A display panel is on the stretchable substrate. The display panel includes a plurality of display parts and at least one wiring part. The plurality of display parts correspondingly overlap the plurality of island regions. The at least one wiring part correspondingly overlaps the at least one bridge region. An input sensor is on the display panel. The input sensor includes a plurality of sensing electrodes and at least one subsidiary electrode. The plurality of sensing electrodes correspondingly overlaps the plurality of unit regions. When viewed in a plan view the at least one subsidiary electrode is correspondingly disposed between adjacent sensing electrodes.

LIGHT EMITTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF (17570183)

Main Inventor

Hyeon Bum LEE

Brief explanation

The patent application describes a light emitting display device and its manufacturing method. 

• The device includes a substrate, a pixel circuit unit, a light emitting diode (LED), an encapsulation layer, a light blocking layer, and three color filters.
• The pixel circuit unit is positioned on the substrate and is electrically connected to the LED.
• The encapsulation layer covers the pixel circuit unit and the LED.
• The light blocking layer is disposed on the encapsulation layer and has three openings.
• The first color filter includes a main part in the first opening and an overlapping part that connects adjacent main parts and covers the light blocking layer.
• The second color filter is in the second opening.
• The third color filter is in the third opening.

Abstract

A light emitting display device and its manufacturing method are presented. The device includes: a substrate; a pixel circuit unit positioned on the substrate; a light emitting diode (LED) electrically connected to the pixel circuit unit; an encapsulation layer covering the pixel circuit unit and the light emitting diode (LED); a light blocking layer disposed on the encapsulation layer and having a first opening, a second opening, and a third opening; a first color filter including a main part in the first opening and an overlapping part connecting adjacent main parts and covering the light blocking layer; a second color filter in the second opening; and a third color filter in the third opening.

DISPLAY DEVICE (18091447)

Main Inventor

Gi Na YOO

Brief explanation

The patent application describes a display device with three display areas and multiple emission areas.

• The display device has a first display area, a second display area, and a third display area.
• Each display area has emission areas that emit light.
• The emission areas are surrounded by a light blocking layer.
• The width of the light blocking layer between adjacent emission areas is different in each display area.
• In the first and third display areas, the width of the light blocking layer is greater than in the second display area.
• This design allows for improved control of light emission and enhances the overall display quality.

Abstract

A display device comprises a first display area, a second display area adjacent to a side of the first display area, a third display area adjacent to a side of the second display area, a plurality of emission areas disposed in the first, second, and third display areas to emit light, and a light blocking layer surrounding the plurality of emission areas. A width of the light blocking layer between adjacent emission areas in a first direction in each of the first and third display areas is greater than a width of the light blocking layer between adjacent emission areas in the first direction in the second display area.

DISPLAY CELL, DISPLAY DEVICE, AND METHOD OF MANFACTURING A DISPLAY CELL (18349941)

Main Inventor

HYUNGJUN LIM

Brief explanation

The patent application describes a display cell with various components for signal transmission and inspection.

• The display cell includes a signal line that is connected to a pixel in the display area.
• A signal pad unit is located in the peripheral area next to the display area and is connected to the signal line.
• An inspection pad unit is positioned in a turn-on inspection area and is connected to the signal pad.
• The inspection pad is designed to receive a turn-on inspection signal.
• A power supply voltage line is present and extends from the inspection pad unit to the peripheral area.
• The power supply voltage line is divided into multiple sublines by at least one slit pattern in a cut-off area between the peripheral area and the turn-on inspection area.

Abstract

A display cell includes a signal line electrically connected to a pixel arranged in a display area, a signal pad unit disposed in a peripheral area adjacent to the display area, and including a signal pad electrically connected to the signal line, an inspection pad unit disposed in a turn-on inspection area, and including an inspection pad electrically connected to the signal pad, where the inspection pad is configured to receive a turn-on inspection signal, and a power supply voltage line configured to apply a power supply voltage to the pixel, extending from the inspection pad unit to the peripheral area, and divided into a plurality of sublines by at least one slit pattern in a cut-off area between the peripheral area and the turn-on inspection area.

MANUFACTURING METHOD OF DISPLAY DEVICE AND DISPLAY DEVICE MANUFACTURED BY THE METHOD (18096640)

Main Inventor

SEOIN HAN

Brief explanation

The patent application describes a method for manufacturing a display device.

• The method involves using a preliminary display device that includes a display module, an optical layer, protective films, and adhesive layers.
• A mask layer is formed on one of the protective films by using a laser light along a specific processing line.
• The preliminary display device is then cut at the outer periphery of the processing line using another laser light along a different processing line.
• This method allows for precise and efficient manufacturing of display devices.

Abstract

A method for manufacturing a display device includes providing a preliminary display device including a display module, an optical layer disposed on a first surface of the display module, a first protective film disposed on the optical layer, a second protective film disposed on a second surface of the display module, a first adhesive layer disposed between the optical layer and the first protective film, and a second adhesive layer disposed between the second protective film and the display module, forming a mask layer on the first protective film by irradiating a first laser light on the first protective film along a first processing line, and cutting the preliminary display device at an outer periphery of the second processing line by irradiating a second laser light on the first protective film along a second processing line positioned at an outer periphery of the first processing line.

METHOD OF MANUFACTURING DISPLAY APPARATUS (18308740)

Main Inventor

Gugrae Jo

Brief explanation

The patent application describes a method of manufacturing a display apparatus.

• The method involves several steps, including forming a semiconductor layer on a substrate.
• An insulating layer is then formed on top of the semiconductor layer.
• A photoresist pattern is created on the insulating layer.
• The insulating layer is etched to create a contact hole, which exposes part of the semiconductor layer.
• A primary cleaning process is performed on the insulating layer using a cleaning gas that contains a fluorine-containing gas and a hydrogen-containing gas.

Abstract

A method of manufacturing a display apparatus includes forming a semiconductor layer on a substrate, forming an insulating layer on the semiconductor layer, forming a photoresist pattern on the insulating layer, forming, by etching the insulating layer, a contact hole exposing at least a portion of the semiconductor layer, and performing a primary cleaning of the insulating layer in which the contact hole is formed using a cleaning gas including a fluorine-containing gas and a hydrogencontaining gas.

DISPLAY DEVICE (18114504)

Main Inventor

YOUNGJE CHO

Brief explanation

The patent application describes a display device with a display module that has pixel regions and a boundary region.

• The display module consists of multiple inorganic layers.
• An opening is defined in the inorganic layers to correspond to the boundary region.
• An inorganic pattern is placed in the opening, covering the exposed region.
• An organic layer is placed in the opening, making contact with the inorganic pattern and the topmost inorganic layer.

Abstract

A display device includes a display module including a plurality of pixel regions and a boundary region. The display module includes a plurality of inorganic layers, in which an opening corresponding to the boundary region is defined, an inorganic pattern disposed in the opening and covering a region exposed by the opening, and an organic layer disposed in the opening and contacting the inorganic pattern and an uppermost one of the inorganic layers.

ORGANOMETALLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE SAME, ELECTONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE INCLUDING THE LIGHT-EMITTING DEVICE (18105417)

Main Inventor

Jaesung Lee

Brief explanation

The abstract describes a patent application related to an organometallic compound used in a light-emitting device, electronic apparatus, and electronic device.

• The invention provides an organometallic compound represented by Formula 1.
• The compound is used in a light-emitting device that includes a first electrode, a second electrode, and an interlayer with an emission layer.
• The organometallic compound enhances the performance of the light-emitting device.
• The invention also includes an electronic apparatus and an electronic device incorporating the light-emitting device.

Abstract

Embodiments provide an organometallic compound, a light-emitting device including the same, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the organometallic compound, which is represented by Formula 1:

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE (18297173)

Main Inventor

Yoonkyoo LEE

Brief explanation

The patent application describes a light-emitting device and an electronic apparatus that incorporates this device.

• The light-emitting device consists of a first electrode, a second electrode, and an interlayer with an emission layer.
• The interlayer includes three compounds: a first compound (Formula 1), a second compound (Formula 2), and a third compound which is a blue phosphorescent compound.
• The specific formulas for the compounds are explained in the specification of the patent application.

Abstract

Embodiments provide a light-emitting device and an electronic apparatus that includes the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode and including an emission layer. The interlayer includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound that is a blue phosphorescent compound, wherein Formulae 1 and 2 are explained in the specification.