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| − | ==Patent applications for Japan Display Inc. on November 30th, 2023==
| + | '''Summary of the patent applications from Japan Display Inc. on November 30th, 2023''' |
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| − | ===HEAD-UP DISPLAY AND DISPLAY DEVICE ([[US Patent Application 18196123. HEAD-UP DISPLAY AND DISPLAY DEVICE simplified abstract|18196123]])===
| + | Japan Display Inc. has recently filed several patents related to display devices and manufacturing methods. These patents describe various components, layers, and design features of display devices, as well as methods for their production. |
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| | + | Summary: |
| | + | Japan Display Inc. has filed patents for display devices with specific components and layers, including ribs, partitions, electrodes, organic layers, and inorganic layers. These patents also describe display devices with oxide semiconductor layers, gate electrodes, gate insulating layers, light-shielding layers, and transparent conductive layers. Additionally, Japan Display Inc. has filed patents for display devices with multiple pixel electrodes, light-emitting layers, and counter electrodes. The organization has also filed patents for display devices with specific design features, such as variations in electrode thickness and the arrangement of components. Furthermore, Japan Display Inc. has filed patents for manufacturing methods of display devices, including the formation of lower electrodes, the creation of ribs with overlapping apertures, and the deposition and etching processes for sealing layers. Notable applications include efficient power distribution and connectivity in display devices, as well as the composition ratio of nitrogen in oxide semiconductor layers. |
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| − | '''Main Inventor'''
| + | Bullet Points: |
| | + | * Display devices with specific components and layers, such as ribs, partitions, electrodes, organic layers, and inorganic layers. |
| | + | * Display devices with oxide semiconductor layers, gate electrodes, gate insulating layers, light-shielding layers, and transparent conductive layers. |
| | + | * Display devices with multiple pixel electrodes, light-emitting layers, and counter electrodes. |
| | + | * Display devices with specific design features, such as variations in electrode thickness and component arrangement. |
| | + | * Manufacturing methods for display devices, including the formation of lower electrodes, creation of ribs with overlapping apertures, and deposition and etching processes for sealing layers. |
| | + | * Notable applications include efficient power distribution and connectivity in display devices, as well as the composition ratio of nitrogen in oxide semiconductor layers. |
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| − | Takayuki KATO
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| − | '''Brief explanation'''
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| − | The patent application describes a head-up display technology.
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| − | * The head-up display includes a light source, a liquid crystal panel, and a prism sheet.
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| − | * The light source emits light, which is transmitted through the liquid crystal panel.
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| − | * The liquid crystal panel projects an image using the transmitted light.
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| − | * The prism sheet is tilted relative to the liquid crystal panel's surface.
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| − | * The prism sheet refracts the light that passes through the liquid crystal panel.
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| − | * The refracted light enhances the visibility and clarity of the projected image.
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| − | '''Abstract'''
| + | ==Patent applications for Japan Display Inc. on November 30th, 2023== |
| − | According to an aspect, a head-up display includes: a light source; a liquid crystal panel that is configured to transmit light emitted from the light source and projects an image; and a prism sheet that is tilted with respect to a plate surface of the liquid crystal panel and configured to refract light transmitted through the liquid crystal panel.
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| − | ===HEAD-UP DISPLAY AND DISPLAY DEVICE ([[US Patent Application 18198006. HEAD-UP DISPLAY AND DISPLAY DEVICE simplified abstract|18198006]])=== | + | ===HEAD-UP DISPLAY AND DISPLAY DEVICE ([[US Patent Application 18196123. HEAD-UP DISPLAY AND DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18196123]])=== |
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| − | '''Brief explanation''' | + | ===HEAD-UP DISPLAY AND DISPLAY DEVICE ([[US Patent Application 18198006. HEAD-UP DISPLAY AND DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18198006]])=== |
| − | The patent application describes a head-up display technology.
| + | |
| − | * The display includes a light source, a liquid crystal panel, and a prism sheet.
| + | |
| − | * The liquid crystal panel transmits light from the light source and projects an image.
| + | '''Main Inventor''' |
| − | * The prism sheet refracts the transmitted light.
| + | |
| − | * The prism sheet has a sheet surface parallel to the liquid crystal panel and multiple prisms facing the panel.
| + | Takayuki KATO |
| − | * The prisms are angular in shape and formed by two inclined surfaces.
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| − | * The first prism surface is inclined with respect to the sheet surface.
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| − | * The second prism surface is inclined with respect to the sheet surface and has a larger angle with the sheet surface than the first prism surface.
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| − | * The angle between the first prism surface and the sheet surface is 35° or larger.
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| − | '''Abstract'''
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| − | A head-up display includes a light source, a liquid crystal panel configured to transmit light from the light source and project an image, and a prism sheet configured to refract the light transmitted through the liquid crystal panel. The prism sheet includes a sheet surface parallel to a plate surface of the liquid crystal panel, and a plurality of prisms facing the plate surface of the liquid crystal panel on a side opposite to the sheet surface and arranged in parallel, the prisms are each formed in an angular shape in cross-section by a first prism surface and a second prism surface, the first prism surface being inclined with respect to the sheet surface, the second prism surface being inclined with respect to the sheet surface and making a larger angle with the sheet surface than the first prism surface, and an angle between the first prism surface and the sheet surface is 35° or larger.
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| − | ===HEAD-UP DISPLAY ([[US Patent Application 18233626. HEAD-UP DISPLAY simplified abstract|18233626]])=== | + | ===HEAD-UP DISPLAY ([[US Patent Application 18233626. HEAD-UP DISPLAY simplified abstract (Japan Display Inc.)|18233626]])=== |
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| − | '''Brief explanation'''
| + | ===OPTICAL ELEMENT AND DISPLAY DEVICE ([[US Patent Application 18323475. OPTICAL ELEMENT AND DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18323475]])=== |
| − | The patent application describes a head-up display system that includes display panels and a light guide.
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| − | * The display panels project images onto a projection target.
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| − | * The light guide directs the light from the display panels so that the images from different display regions join on the projection target.
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| − | * The display panels are controlled using either time division control or multiple display control.
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| − | * Time division control means that the display panels project images at different timings.
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| − | * Multiple display control means that partial regions are set in each display region, corresponding to the number of display panels.
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| − | * An image is output in one of the partial regions in the display region of each display panel.
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| − | * This causes the positions of the images projected by the display panels on the projection target to differ from one another.
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| − | | |
| − | '''Abstract'''
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| − | A head-up display includes: display panels, and a light guide configured to direct light from the display panels such that projection positions of images from display regions of the display panels join on the projection target. At least one of time division control and multiple display control is applied to the display panels. The time division control is operation control of the display panels such that the display panels project images at different timings. The multiple display control is operation control of the display panels in which partial regions are set in each display region such that the number of the partial regions corresponds to the number of the display panels, an image is output in one of the partial regions in the display region of each display panel such that the positions of the images projected by the display panels on the projection target differ from one another.
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| − | | |
| − | ===OPTICAL ELEMENT AND DISPLAY DEVICE ([[US Patent Application 18323475. OPTICAL ELEMENT AND DISPLAY DEVICE simplified abstract|18323475]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE ([[US Patent Application 18448185. DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18448185]])=== |
| − | The patent application describes an optical element that includes a first polarizing plate, a second polarizing plate, and a first viewing angle control panel placed between them.
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| − | * The optical element consists of a first polarizing plate with a specific absorption axis and a second polarizing plate with a different absorption axis.
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| − | * A first viewing angle control panel is positioned between the two polarizing plates.
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| − | * The first viewing angle control panel comprises a first substrate, a second substrate, a liquid crystal layer, and multiple electrodes.
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| − | * The liquid crystal layer is located between the first and second substrates and contains liquid crystal molecules with positive dielectric anisotropy.
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| − | * The liquid crystal molecules have a hybrid orientation when no transverse electric field is generated.
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| − | * The electrodes on the substrates generate a transverse electric field in a predetermined direction.
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| − | * The optical element allows control over the viewing angle by manipulating the transverse electric field and the orientation of the liquid crystal molecules.
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| − | | |
| − | '''Abstract'''
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| − | According to an aspect, an optical element includes: a first polarizing plate having a first absorption axis; a second polarizing plate facing the first polarizing plate and having a second absorption axis; and a first viewing angle control panel placed between the first polarizing plate and the second polarizing plate. The first viewing angle control panel includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of electrodes provided on at least one of the first substrate and the second substrate to generate a transverse electric field in a predetermined direction. The liquid crystal layer includes liquid crystal molecules with a positive dielectric anisotropy. The liquid crystal molecules have hybrid orientation in a state in which the transverse electric field is not generated.
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| − | | |
| − | ===DISPLAY DEVICE ([[US Patent Application 18448185. DISPLAY DEVICE simplified abstract|18448185]])=== | |
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| − | '''Brief explanation'''
| + | ===LIGHT ADJUSTMENT DEVICE ([[US Patent Application 18231915. LIGHT ADJUSTMENT DEVICE simplified abstract (Japan Display Inc.)|18231915]])=== |
| − | The patent application describes a display device with a second substrate that includes a frame-like first light shielding member and a transparent organic insulating layer covering it.
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| − | | |
| − | * The first light shielding member has a first opening that overlaps an optical sensor.
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| − | * A light shielding layer is present on top of the first light shielding member and has a second opening that overlaps the first opening.
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| − | * The first light shielding member also has first and second outer edges that extend in a first direction.
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| − | * The first outer edge overlaps with the light shielding layer between the second opening and a first pixel opening.
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| − | * The second outer edge overlaps with the light shielding layer between the second opening and a second pixel opening.
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, a display device including a second substrate including, a frame-like first light shielding member having a first opening overlapping an optical sensor, a transparent organic insulating layer covering the first light shielding member, a light shielding layer having a second opening overlapping the first opening, a first pixel opening, a second pixel opening, the first light shielding member includes first and second outer edges extending in a first direction, the first outer edge overlaps with the light shielding layer between the second opening and the first pixel opening, and the second outer edge overlaps with the light shielding layer between the second opening and the second pixel opening.
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| − | | |
| − | ===LIGHT ADJUSTMENT DEVICE ([[US Patent Application 18231915. LIGHT ADJUSTMENT DEVICE simplified abstract|18231915]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION ([[US Patent Application 18233487. DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION simplified abstract (Japan Display Inc.)|18233487]])=== |
| − | The patent application describes a light adjustment device that uses multiple liquid crystal cells stacked together to polarize light emitted from a light source.
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| − | * The device includes a plurality of liquid crystal cells with a light adjustment region.
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| − | * The liquid crystal cells are stacked in the direction of light emission.
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| − | * Each liquid crystal cell consists of a first substrate with first metal wires and a second substrate with second metal wires.
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| − | * The liquid crystal layer is sandwiched between the first and second substrates.
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| − | * The device aims to provide improved light adjustment capabilities.
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| − | | |
| − | '''Abstract'''
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| − | A light adjustment device includes a plurality of liquid crystal cells each including a light adjustment region that polarizes light emitted from a light source, the liquid crystal cells being stacked in a direction in which the light is emitted. The liquid crystal cells each include a first substrate in which a plurality of first metal wires are provided, and a second substrate in which a plurality of second metal wires are provided and that sandwiches a liquid crystal layer with the first substrate.
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| − | | |
| − | ===DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION ([[US Patent Application 18233487. DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION simplified abstract|18233487]])=== | |
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| − | '''Brief explanation'''
| + | ===SENSOR MODULE ([[US Patent Application 18143186. SENSOR MODULE simplified abstract (Japan Display Inc.)|18143186]])=== |
| − | The patent application describes a display device with touch detection capabilities.
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| − | * The display device includes pixel electrodes arranged in a matrix, scanning signal lines, a drive electrode, and touch detection electrodes.
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| − | * The touch detection electrodes have a transparent conductive body and include one or more slits where the conductive body is not present.
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| − | * The slits of the touch detection electrodes are positioned in a different direction from the scanning signal lines and have a predetermined interval between them.
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| − | * The interval between the slits is a multiple of a predetermined pixel pitch, which is the distance between the pixel electrodes.
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| − | | |
| − | '''Abstract'''
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| − | According to an aspect, a display device with a touch detection function includes: a plurality of pixel electrodes arranged in a matrix; a plurality of scanning signal lines; a drive electrode that faces the pixel electrodes; and a plurality of touch detection electrodes including a detection electrode pattern of a transparent conductive body that faces the drive electrode. The detection electrode pattern includes one or more slits each of which is a region where the transparent conductive body is not present. The slits of the detection electrode pattern of the touch detection electrodes extend in a direction different from an extending direction of the scanning signal lines with a slit pitch having a predetermined interval therebetween in the extending direction of the scanning signal lines. The slit pitch is multiples of a natural number of a predetermined pixel pitch in which the pixel electrodes are arranged.
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| − | | |
| − | ===SENSOR MODULE ([[US Patent Application 18143186. SENSOR MODULE simplified abstract|18143186]])=== | |
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| − | '''Brief explanation'''
| + | ===DETECTION DEVICE AND DETECTION SYSTEM ([[US Patent Application 18198991. DETECTION DEVICE AND DETECTION SYSTEM simplified abstract (Japan Display Inc.)|18198991]])=== |
| − | The patent application describes a sensor module with multiple sensor electrodes, sensor wirings, auxiliary electrodes, and a driver circuit.
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| − | * The sensor electrodes are arranged in a matrix with rows and columns.
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| − | * Each sensor electrode is connected to a sensor wiring.
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| − | * The auxiliary electrodes are also connected to the sensor electrodes and extend in the opposite direction of the sensor wirings.
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| − | * The driver circuit is connected to the sensor wirings and is used to measure the sensor values of the sensor electrodes based on potential fluctuations.
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| − | | |
| − | '''Abstract'''
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| − | Provided is a sensor module including a plurality of sensor electrodes, a plurality of sensor wirings, a plurality of auxiliary electrodes, and a driver circuit. The plurality of sensor electrodes is arranged in a matrix having first to mth rows and first to nth columns. The plurality of sensor wirings is respectively connected to the plurality of sensor electrodes. The plurality of auxiliary electrodes is respectively connected to the plurality of sensor electrodes and extends from the plurality of sensor electrodes in a direction opposite to the direction in which the plurality of sensor wirings extends from the plurality of sensor electrodes. The driver circuit is connected to the plurality of sensor wirings and is configured to obtain sensor values of the plurality of sensor electrodes on the basis of potential fluctuations of the plurality of sensor electrodes.
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| − | | |
| − | ===DETECTION DEVICE AND DETECTION SYSTEM ([[US Patent Application 18198991. DETECTION DEVICE AND DETECTION SYSTEM simplified abstract|18198991]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY APPARATUS ([[US Patent Application 18234041. DISPLAY APPARATUS simplified abstract (Japan Display Inc.)|18234041]])=== |
| − | The patent application describes a detection device that can be worn on the body.
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| − | * The device includes a ring-shaped housing, a light source, an optical sensor, a battery, and a wireless power receiving element.
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| − | * The optical sensor is positioned inside the housing and faces the light source.
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| − | * The power receiving element is a coil located outside the optical sensor.
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| − | * The device is designed to charge the battery wirelessly using the power receiving element.
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| − | * The purpose of the device is to detect and measure certain parameters or conditions on the body.
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| − | * The device can be used for various applications such as health monitoring, fitness tracking, or environmental sensing.
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| − | | |
| − | '''Abstract'''
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| − | A detection device includes a ring-shaped housing wearable on a living body, a light source provided inside the housing, an optical sensor provided inside the housing, a battery, and a wireless power receiving element configured to charge the battery. The optical sensor is provided in an area facing the light source inside the housing, and a coil of the power receiving element is provided outside the optical sensor in the housing.
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| − | | |
| − | ===DISPLAY APPARATUS ([[US Patent Application 18234041. DISPLAY APPARATUS simplified abstract|18234041]])=== | |
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| − | '''Brief explanation'''
| + | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18366859. SEMICONDUCTOR DEVICE simplified abstract (Japan Display Inc.)|18366859]])=== |
| − | The patent application describes a display apparatus that includes a light-emitting element and two pixel circuits.
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| − | * The display apparatus has a first pixel circuit and a second pixel circuit, both connected to the light-emitting element.
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| − | * The first pixel circuit includes a first drive transistor that supplies a first drive current to the light-emitting element.
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| − | * The second pixel circuit includes a second drive transistor that supplies a second drive current to the light-emitting element.
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| − | * A drive circuit is included in the display apparatus and supplies a first video signal to the first drive transistor and a second video signal to the second drive transistor.
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| − | * The first drive transistor is supplied with the first video signal and the second drive transistor is supplied with the second video signal in the same writing period.
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| − | | |
| − | '''Abstract'''
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| − | A display apparatus includes a light-emitting element, a first pixel circuit and a second pixel circuit coupled to the light-emitting element, a first drive transistor included in the first pixel circuit and configured to supply a first drive current to the light-emitting element, a second drive transistor included in the second pixel circuit and configured to supply a second drive current to the light-emitting element, and a drive circuit configured to supply a first video signal to the first drive transistor and to supply a second video signal to the second drive transistor. The first drive transistor is supplied with the first video signal and the second drive transistor is supplied with the second video signal in a same writing period.
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| − | | |
| − | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18366859. SEMICONDUCTOR DEVICE simplified abstract|18366859]])=== | |
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| − | '''Brief explanation'''
| + | ===DETECTION DEVICE ([[US Patent Application 18365486. DETECTION DEVICE simplified abstract (Japan Display Inc.)|18365486]])=== |
| − | The patent application describes a display device with thin film transistors (TFT) that use an oxide semiconductor film, a gate electrode, and an insulating film.
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| − | | |
| − | * The TFT includes two aluminum oxide films between the insulating film and the gate electrode.
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| − | * The first aluminum oxide film has a higher oxygen concentration than the second aluminum oxide film.
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| − | * This arrangement helps improve the performance and stability of the display device.
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| − | * The use of oxide semiconductor film and aluminum oxide films enhances the efficiency and durability of the display device.
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| − | * The invention provides a solution for creating high-quality display devices with improved functionality.
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| − | | |
| − | '''Abstract'''
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| − | A display device including a substrate having thin film transistors (TFT) comprising: the TFT including an oxide semiconductor film, a gate electrode and an insulating film formed between the oxide semiconductor film and the gate electrode, wherein a first aluminum oxide film and a second aluminum oxide film, which is formed on the first aluminum oxide film, are formed between the insulating film and the gate electrode, an oxygen concentration in the first aluminum oxide film is bigger than an oxygen concentration in the second aluminum oxide film.
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| − | | |
| − | ===DETECTION DEVICE ([[US Patent Application 18365486. DETECTION DEVICE simplified abstract|18365486]])=== | |
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| − | '''Brief explanation'''
| + | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18447400. SEMICONDUCTOR DEVICE simplified abstract (Japan Display Inc.)|18447400]])=== |
| − | The patent application describes a detection device that includes a photodetector, a filter layer, and a display panel.
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| − | * The filter layer is placed on top of the photodetector and is made of a first color material that allows light in a specific wavelength band to pass through.
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| − | * The filter layer has a high peak transmittance of 90% or more, meaning it allows a large amount of light to pass through.
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| − | * At a wavelength of 550 nm, the filter layer has a transmittance of 80% or more, indicating it still allows a significant amount of light in this range to pass through.
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| − | * At a wavelength of 600 nm, the filter layer has a transmittance of 10% or more, meaning it allows only a small amount of light in this range to pass through.
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| − | * At wavelengths between 680 nm and 700 nm, the filter layer has a transmittance of 10% or less, indicating it blocks most of the light in this range.
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| − | * The display panel is arranged over the filter layer, suggesting that the device can display information or images on top of the filtered light.
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| − | | |
| − | '''Abstract'''
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| − | A detection device includes a photodetector, a filter layer overlapped on the photodetector and including a first color material having a peak transmittance for light in a first wavelength band, and a display panel arranged over the filter layer, wherein the filter layer has a peak transmittance of 90% or more, a transmittance of 80% or more at a wavelength of 550 nm, a transmittance of 10% is more at a wavelength of 600 nm, and a transmittance of 10% or less at a wavelength of 680 nm to 700 nm.
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| − | | |
| − | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18447400. SEMICONDUCTOR DEVICE simplified abstract|18447400]])=== | |
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| − | '''Brief explanation'''
| + | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18447470. SEMICONDUCTOR DEVICE simplified abstract (Japan Display Inc.)|18447470]])=== |
| − | The patent application describes a semiconductor device with multiple layers and components.
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| − | | |
| − | * The device includes a first oxide semiconductor layer and a first gate electrode, which are separated by a first gate insulating layer.
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| − | * A first insulating layer covers the first oxide semiconductor layer and has an opening.
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| − | * A first conductive layer is located above the first insulating layer and within the opening, and it is electrically connected to the first oxide semiconductor layer.
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| − | * An oxide layer is present between the upper surface of the first insulating layer and the first conductive layer.
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| − | * The first insulating layer is exposed from the oxide layer in a specific region that does not overlap with the first conductive layer in a plan view.
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| − | | |
| − | '''Abstract'''
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| − | A semiconductor device including a first oxide semiconductor layer, a first gate electrode opposing the first oxide semiconductor layer, a first gate insulating layer between the first oxide semiconductor layer and the first gate electrode, a first insulating layer covering the first oxide semiconductor layer and having a first opening, a first conductive layer above the first insulating layer and in the first opening, the first conductive layer being electrically connected to the first oxide semiconductor layer, and an oxide layer between an upper surface of the first insulating layer and the first conductive layer, wherein the first insulating layer is exposed from the oxide layer in a region not overlapping the first conductive layer in a plan view.
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| − | | |
| − | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18447470. SEMICONDUCTOR DEVICE simplified abstract|18447470]])=== | |
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| − | '''Brief explanation'''
| + | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18449830. SEMICONDUCTOR DEVICE simplified abstract (Japan Display Inc.)|18449830]])=== |
| − | The patent application describes a semiconductor device with multiple layers and regions.
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| − | * The device includes a first conductive layer, a first insulating layer, an oxide semiconductor layer, and second and third conductive layers.
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| − | * The oxide semiconductor layer has different regions, including a first region, a second region, and a third region.
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| − | * There are also two impurity regions, one between the first and second regions and the other between the first and third regions.
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| − | * The first impurity region is in contact with the second conductive layer, and the second impurity region is in contact with the third conductive layer.
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| − | * The electrical conductivity of the impurity regions is higher than that of the other regions.
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| − | | |
| − | '''Abstract'''
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| − | A semiconductor device includes a first conductive layer, a first insulating layer on the first conductive layer, an oxide semiconductor layer on the first insulating layer, and second and third conductive layers on the oxide semiconductive layer. The oxide semiconductor layer includes a first region, a second region in contact with the second conductive layer, a third region in contact with the third conductive layer, a first impurity region between the first region and the second region, and a second impurity region between the first region and the third region. The first impurity region is in contact with the second conductive layer. The second impurity region is in contact with the third conductive layer. An electrical conductivity of each of the first impurity region and the second impurity region is greater than an electrical conductivity of each of the second region and the third region.
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| − | | |
| − | ===SEMICONDUCTOR DEVICE ([[US Patent Application 18449830. SEMICONDUCTOR DEVICE simplified abstract|18449830]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE ([[US Patent Application 18325145. DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18325145]])=== |
| − | The patent application describes a semiconductor device with specific features. Here are the key points:
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| − | | |
| − | * The device includes an oxide semiconductor layer with a first and second surface.
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| − | * A gate electrode is positioned facing the oxide semiconductor layer.
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| − | * A gate insulating layer is present between the oxide semiconductor layer and the gate electrode.
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| − | * The oxide semiconductor layer has a pair of first electrodes in contact with its first surface.
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| − | * Within a depth range of 2 nanometers from the first surface, there is a region near the edge of at least one of the first electrodes where the composition ratio of nitrogen is 2 percent or more.
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| − | | |
| − | '''Abstract'''
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| − | A semiconductor device including: an oxide semiconductor layer including a first surface and a second surface opposite to the first surface; a gate electrode facing the oxide semiconductor layer; a gate insulating layer between the oxide semiconductor layer and the gate electrode; and a pair of first electrode being in contact with the first surface of the oxide semiconductor layer, respectively, wherein the oxide semiconductor layer including a region in which composition ratio of nitrogen is 2 percent or more within a depth range of 2 nanometers from the first surface in a region vicinity of an edge of at least one of the first electrode of the pair of first electrode.
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| − | | |
| − | ===DISPLAY DEVICE ([[US Patent Application 18325145. DISPLAY DEVICE simplified abstract|18325145]])=== | |
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| − | '''Brief explanation'''
| + | ===MANUFACTURING METHOD OF DISPLAY DEVICE AND CVD DEVICE ([[US Patent Application 18324192. MANUFACTURING METHOD OF DISPLAY DEVICE AND CVD DEVICE simplified abstract (Japan Display Inc.)|18324192]])=== |
| − | The patent application describes a display device with a display panel, wiring substrate, and conductive material.
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| − | * The display panel has a basement in the display area and non-display area, pixels in the display area, pads in the non-display area, and a power line between the display area and pads.
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| − | * The first wiring substrate and conductive material are used in the display device.
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| − | * The first power line includes a first connection surface.
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| − | * The arrangement of components in the display device allows for efficient power distribution and connectivity.
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, a display device includes a display panel, a first wiring substrate, and a first conductive material. The display panel includes a basement located in a display area and a non-display area, a plurality of pixels arranged above the basement and located in the display area, a plurality of pads arranged above the basement and located in the non-display area, and a first power line arranged above the basement, located between the display area and the plurality of pads in the non-display area, and including the first connection surface.
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| − | | |
| − | ===MANUFACTURING METHOD OF DISPLAY DEVICE AND CVD DEVICE ([[US Patent Application 18324192. MANUFACTURING METHOD OF DISPLAY DEVICE AND CVD DEVICE simplified abstract|18324192]])=== | |
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| − | '''Brief explanation'''
| + | ===METHOD OF MANUFACTURING DISPLAY DEVICE ([[US Patent Application 18363759. METHOD OF MANUFACTURING DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18363759]])=== |
| − | - The patent application describes a manufacturing method for a display device.
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| − | - The method involves forming a sealing layer using a deposition process and an etching process.
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| − | - The deposition process includes introducing a material gas into a chamber and depositing silicon nitride on a processing substrate.
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| − | - After the deposition process, the material gas is stopped and the residual gas inside the chamber is evacuated.
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| − | - The etching process involves introducing a cleaning gas into the chamber through the same route as the material gas.
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| − | - Anisotropic dry etching is performed to remove part of the silicon nitride deposited on the processing substrate.
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| − | - The residual gas inside the chamber is then evacuated.
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| − | - The combination of the deposition process and the etching process is performed at least twice.
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, a manufacturing method of a display device includes forming a sealing layer. The forming the sealing layer includes a deposition process of introducing a material gas into a chamber, depositing silicon nitride on a processing substrate, stopping introduction of the material gas and evacuating a residual gas of inside of the chamber, and an etching process of introducing a cleaning gas into the chamber through a same route as the material gas, performing anisotropic dry etching for removing part of the silicon nitride deposited on the processing substrate, and evacuating a residual gas of the inside of the chamber. A combination of the deposition process and the etching process is performed at least twice.
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| − | | |
| − | ===METHOD OF MANUFACTURING DISPLAY DEVICE ([[US Patent Application 18363759. METHOD OF MANUFACTURING DISPLAY DEVICE simplified abstract|18363759]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE ([[US Patent Application 18447332. DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18447332]])=== |
| − | The abstract describes a manufacturing method for a display device, which involves the formation of multiple lower electrodes and the creation of a rib with overlapping apertures. Thin films containing light emitting layers are then formed on the lower electrodes. The first aperture is larger than the second aperture.
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| − | | |
| − | * Manufacturing method for a display device
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| − | * Formation of multiple lower electrodes
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| − | * Creation of a rib with overlapping apertures
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| − | * Formation of thin films with light emitting layers on the lower electrodes
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| − | * First aperture is larger than the second aperture
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, in a manufacturing method of a display device, a first lower electrode, a second lower electrode and a third lower electrode are formed. A rib having first aperture overlapping the first lower electrode, a second aperture overlapping the second lower electrode, and a third aperture overlapping the third lower electrode is formed. A first thin film including a first light emitting layer is formed on the first lower electrode. A second thin film including a second light emitting layer is formed on the second lower electrode. An area of the first aperture is larger than an area of the second aperture.
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| − | | |
| − | ===DISPLAY DEVICE ([[US Patent Application 18447332. DISPLAY DEVICE simplified abstract|18447332]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE ([[US Patent Application 18450417. DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18450417]])=== |
| − | The patent application describes a display device with various components and features.
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| − | * The display device includes a substrate, pixel circuits, an insulating layer, first electrodes, an organic layer, linear second electrodes, a sensor area, a relay wire, and first and second connection portions.
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| − | * One of the second electrodes is divided into a first line portion and a second line portion, which are separated by the sensor area.
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| − | * The relay wire is connected to the first line portion through the first connection portion and to the second line portion through the second connection portion.
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, a display device comprises a substrate, pixel circuits, an insulating layer, first electrodes, an organic layer, linear second electrodes, a sensor area, a relay wire, and a first connection portion and a second connection portion. At least one of the second electrodes includes a first line portion and a second line portion separated via the sensor area in plan view. The relay wire is connected to the first line portion by the first connection portion and connected to the second line portion by the second connection portion.
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| − | | |
| − | ===DISPLAY DEVICE ([[US Patent Application 18450417. DISPLAY DEVICE simplified abstract|18450417]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE ([[US Patent Application 18450412. DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18450412]])=== |
| − | The abstract describes a display device that includes a base, pixel circuits, an insulating layer, apertures, display elements, and a partition.
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| − | * The display device has a base and multiple pixel circuits.
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| − | * There is an insulating layer on top of the base.
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| − | * The device has multiple apertures.
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| − | * Each display element consists of a lower electrode, an organic layer, and an upper electrode.
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| − | * The lower electrode and organic layer cover the entire surface of the aperture.
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| − | * The organic layer and upper electrode also cover the entire surface of the aperture.
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| − | * The partition covers the peripheral portion of the lower electrode.
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, a display device includes a base, a plurality of pixel circuits, an insulating layer, a plurality of apertures, a plurality of display elements and a partition. Each of the display elements includes a lower electrode, an organic layer and an upper electrode. The lower electrode and the organic layer are in contact over an entire surface of the aperture. The organic layer and the upper electrode are in contact over the entire surface of the aperture. The peripheral portion of the lower electrode is covered by the partition.
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| − | | |
| − | ===DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE ([[US Patent Application 18450412. DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE simplified abstract|18450412]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE ([[US Patent Application 18448983. DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18448983]])=== |
| − | The patent application describes a display device with specific design features.
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| − | | |
| − | * The display device includes a substrate, lower electrode, rib, partition, organic layer, and upper electrode.
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| − | * The organic layer contains a light emitting layer and is located on the lower electrode.
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| − | * The upper electrode is in contact with the lower portion of the partition.
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| − | * The organic layer has a first end portion and a second end portion located on opposite sides of the rib.
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| − | * The upper electrode has a greater thickness above the second end portion compared to the first end portion.
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| − | | |
| − | '''Abstract'''
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| − | According to one embodiment, a display device includes a substrate, a lower electrode, a rib, a partition including a lower portion and an upper portion, an organic layer provided on the lower electrode and including a light emitting layer, and an upper electrode provided on the organic layer and in contact with the lower portion of the partition. The organic layer includes a first end portion located on the rib, and a second end portion located on the rib on an opposite side of the first end portion. A thickness of the upper electrode immediately above the second end portion is greater than a thickness of the upper electrode immediately above the first end portion.
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| − | | |
| − | ===DISPLAY DEVICE ([[US Patent Application 18448983. DISPLAY DEVICE simplified abstract|18448983]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE ([[US Patent Application 18202403. DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18202403]])=== |
| − | The patent application describes a display device with multiple pixel electrodes and light-emitting layers.
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| − | | |
| − | * The display device includes a first pixel electrode and a second pixel electrode arranged in a specific direction and spaced apart from each other.
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| − | * An insulating layer with openings exposes the top surfaces of the first and second pixel electrodes.
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| − | * A first common layer is arranged on the pixel electrodes and the insulating layer.
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| − | * A first light-emitting layer is placed on the first common layer and overlaps the first pixel electrode.
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| − | * A second light-emitting layer is also on the first common layer, overlaps the second pixel electrode, and has a lower emission starting voltage than the first light-emitting layer.
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| − | * A counter electrode is arranged on top of the light-emitting layers.
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| − | | |
| − | '''Abstract'''
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| − | A display device includes a first pixel electrode, a second pixel electrode arranged in a first direction and spaced apart from the first pixel electrode, an insulating layer having a first opening exposing at least a portion of a top surface of the first pixel electrode and a second opening exposing at least a portion of a top surface of the second pixel electrode, a first common layer arranged on the first pixel electrode, the second pixel electrode, and the insulating layer, a first light-emitting layer arranged on the first common layer, and overlapping the first pixel electrode, a second light-emitting layer arranged on the first common layer, overlapping the second pixel electrode, and having a lower emission starting voltage than that of the first light-emitting layer, and a counter electrode arranged on the first light-emitting layer and the second light-emitting layer.
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| − | | |
| − | ===DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE ([[US Patent Application 18202403. DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE simplified abstract|18202403]])=== | |
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| − | '''Brief explanation'''
| + | ===DISPLAY DEVICE ([[US Patent Application 18448989. DISPLAY DEVICE simplified abstract (Japan Display Inc.)|18448989]])=== |
| − | The patent application describes a display device with specific features:
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| − | | |
| − | * The display device includes an oxide semiconductor layer, a gate electrode, and a gate insulating layer.
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| − | * A light-shielding layer overlaps part of the oxide semiconductor layer.
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| − | * A first insulating layer covers the oxide semiconductor layer, gate electrode, and gate insulating layer.
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| − | * The first insulating layer has a first opening with a side wall that overlaps the light-shielding layer and a side wall that does not overlap the light-shielding layer.
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| − | * A transparent conductive layer is arranged above the first insulating layer and is connected to the oxide semiconductor layer through the first opening.
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| − | * The transparent conductive layer is arranged in an area that overlaps the side wall overlapping the light-shielding layer and is not arranged in at least part of an area that overlaps the side wall not overlapping the light-shielding layer.
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| − | | |
| − | '''Abstract'''
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| − | A display device includes: an oxide semiconductor layer; a gate electrode facing the oxide semiconductor layer; a gate insulating layer between the oxide semiconductor layer and the gate electrode; a light-shielding layer overlapping part of the oxide semiconductor layer in a plan view; a first insulating layer covering the oxide semiconductor layer, the gate electrode, and the gate insulating layer, the first insulating layer including a first opening including a first side wall overlapping the light-shielding layer and a second side wall not overlapping the light-shielding layer in a plan view; and a transparent conductive layer arranged above the first insulating layer and connected to the oxide semiconductor layer via the first opening. The transparent conductive layer is arranged in an area overlapping the first side wall and is not arranged in at least part in an area overlapping the second side wall in a plan view.
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| − | | |
| − | ===DISPLAY DEVICE ([[US Patent Application 18448989. DISPLAY DEVICE simplified abstract|18448989]])=== | |
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| | Hiroumi KINJO | | Hiroumi KINJO |
| − |
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| − |
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| − | '''Brief explanation'''
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| − | The patent application describes a display device with specific components and layers.
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| − |
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| − | * The display device includes a rib with an aperture and an upper surface.
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| − | * There is a partition on the upper surface of the rib.
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| − | * A first electrode overlaps the aperture in the rib.
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| − | * An organic layer covers the first electrode and has a first end portion on the upper surface of the rib.
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| − | * A second electrode covers the organic layer and has a second end portion on the upper surface of the rib.
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| − | * A first inorganic layer is located on the rib.
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| − | * A second inorganic layer covers the partition, second electrode, and first inorganic layer.
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| − | * The first inorganic layer is in contact with the second inorganic layer and is located between the first end portion of the organic layer and the partition.
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| − |
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| − | '''Abstract'''
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| − | According to one embodiment, a display device comprises a rib including an aperture and an upper surface, a partition on the upper surface, a first electrode overlapping the aperture, an organic layer including a first end portion on the upper surface and covering the first electrode, a second electrode including a second end portion on the upper surface and covering the organic layer, a first inorganic layer on the rib, and a second inorganic layer covering the partition, the second electrode, and the first inorganic layer. At least a part of the first inorganic layer is located between the first end portion and the partition and is in contact with the second inorganic layer.
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