Difference between revisions of "Japan Display Inc. patent applications published on October 5th, 2023"

From WikiPatents
Jump to navigation Jump to search
 
(3 intermediate revisions by the same user not shown)
Line 20: Line 20:
 
'''Inventor'''
 
'''Inventor'''
 
Shimon ITAKURA
 
Shimon ITAKURA
 
'''Brief explanation'''
 
The abstract describes a display device that consists of a liquid crystal display panel and a dimming panel. The liquid crystal display panel has two substrates, one with a longer length than the other. The dimming panel also has two substrates, with one having a longer length than the other. The length of the third substrate in the dimming panel is greater than the lengths of the substrates in the liquid crystal display panel. Additionally, the thickness of the third substrate is greater than the thickness of the first substrate, and the thickness of the second substrate is greater than the thickness of the first substrate.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a liquid crystal display panel including a first substrate having a first length and a second substrate having a second length, a dimming panel including a third substrate having a third length and a fourth substrate having a fourth length, wherein the third length is greater than the first length, the second length and the fourth length, the first length is greater than the second length, the third thickness of the third substrate is greater than the first thickness of the first substrate, and the second thickness of the second substrate is greater than the first thickness.
 
  
 
===DISPLAY DEVICE (18329644)===
 
===DISPLAY DEVICE (18329644)===
Line 31: Line 25:
 
'''Inventor'''
 
'''Inventor'''
 
Yoichi KAMIJO
 
Yoichi KAMIJO
 
'''Brief explanation'''
 
The abstract describes a display device that consists of two substrates, a liquid crystal layer, and a light source. The first substrate has two portions, one opposing the second substrate and another not opposing it. The second portion has a smaller thickness than the first portion. The light source is placed on the second portion and has two surfaces. A wiring substrate is also present on the second surface, but it does not protrude in the thickness direction compared to the second substrate.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.
 
  
 
===DISPLAY DEVICE (18330670)===
 
===DISPLAY DEVICE (18330670)===
Line 42: Line 30:
 
'''Inventor'''
 
'''Inventor'''
 
Kentaro OKUYAMA
 
Kentaro OKUYAMA
 
'''Brief explanation'''
 
The abstract describes a display device that consists of a first display panel and a polarizer. The first display panel includes two substrates and a liquid crystal layer between them. The liquid crystal layer contains streak-like polymers and liquid crystal molecules. The polarizer is positioned opposite to the first display panel and allows linearly polarized light to pass through. The polymers in the liquid crystal layer are oriented in a direction perpendicular to the transmission axis of the polarizer.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a first display panel, and a polarizer opposed to the first display panel and having a transmission axis for transmitting linearly polarized light. The first display panel includes a first substrate, a second substrate opposed to the first substrate, and a first liquid crystal layer held between the first substrate and the second substrate and including streak-like polymers and liquid crystal molecules. An extension direction of the polymers is substantially orthogonal to the transmission axis.
 
  
 
===DISPLAY DEVICE (18329934)===
 
===DISPLAY DEVICE (18329934)===
Line 53: Line 35:
 
'''Inventor'''
 
'''Inventor'''
 
Chikyu NAKAOKA
 
Chikyu NAKAOKA
 
'''Brief explanation'''
 
This abstract describes a display device that consists of a display panel with pixels and an opening, an illumination device, and a color separation element. The color separation element is positioned between the display panel and the illumination device and is made up of two elements. The first element separates the light from the illumination device into different colors and directs it towards the pixels on the display panel. The second element also separates the light into different colors and directs it towards the opening on the display panel.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a display panel that includes a display portion including pixels and a non-display portion including an opening, an illumination device, and a color separation element provided between the display panel and the illumination device. The color separation element includes a first element overlapping the pixel and a second element overlapping the opening, the first element separates illumination light from the illumination device into light of a plurality of colors and irradiates the pixel with the light, and the second element separates illumination light from the illumination device into light of a plurality of colors and irradiates the opening with the light.
 
  
 
===DISPLAY DEVICE AND ILLUMINATION DEVICE (18331392)===
 
===DISPLAY DEVICE AND ILLUMINATION DEVICE (18331392)===
Line 64: Line 40:
 
'''Inventor'''
 
'''Inventor'''
 
Yudai NUMATA
 
Yudai NUMATA
 
'''Brief explanation'''
 
The abstract describes a display device that consists of a display panel made up of two transparent substrates with a liquid crystal layer in between. There is also a light emitting element and a third transparent substrate. A transparent layer with a lower refractive index is placed between the display panel and the third substrate.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a display panel including a first substrate including a first transparent substrate having a first main surface, a first opposite and a side surface, a second substrate including a second transparent substrate having a second main surface and a second opposite surface, and a liquid crystal layer located between the first substrate and the second substrate, a light emitting element opposed to the side surface, a third transparent substrate, and a transparent layer located between the display panel and the third transparent substrate and having a second refractive index that is lower than a first refractive index.
 
  
 
===DISPLAY DEVICE (18191105)===
 
===DISPLAY DEVICE (18191105)===
Line 75: Line 45:
 
'''Inventor'''
 
'''Inventor'''
 
Shuichi OSAWA
 
Shuichi OSAWA
 
'''Brief explanation'''
 
The abstract describes a display device that consists of two substrates - a liquid crystal display substrate and a color separation element substrate. The display substrate has a stripe structure where different color filters are arranged in a display area in alternating fashion along one direction, and the same color filters are arranged along a perpendicular direction. The different color filters are separated by frames along both directions. The element substrate has grooves that separate colors along the first direction in the display area, and grooves along the second direction in a specific region where the color separation grooves are located, which align with the frames of the display substrate.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a liquid crystal display substrate and a color separation element substrate. The display substrate has a stripe structure in which different color filters are alternately arranged in a display area along a first direction and the same color filters are arranged along a second direction orthogonal to the first direction, and the different color filters are compartmentalized by frames along the first direction and the second direction. The element substrate has color separation grooves formed along the first direction in the display area, and grooves formed along the second direction in a region thereof where the color separation grooves are formed, so as to oppose the frame of the display substrate.
 
  
 
===DISPLAY DEVICE (18191877)===
 
===DISPLAY DEVICE (18191877)===
Line 86: Line 50:
 
'''Inventor'''
 
'''Inventor'''
 
Shuichi OSAWA
 
Shuichi OSAWA
 
'''Brief explanation'''
 
This abstract describes a display device that includes a liquid crystal panel and a color separation element substrate. The substrate has a bonding area on one side and a color separation groove in the display area. The panel also has a bonding area on one side, with a polarizer on the inner side. The bonding areas of the substrate and panel are bonded together using a sealant layer.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a liquid crystal panel and a color separation element substrate. The substrate includes a bonding area in a peripheral portion of a surface opposing the panel, and a color separation groove that serves as a color separation element is formed in an effective display area inside the bonding area. The panel includes a bonding area in a peripheral portion of the substrate on an incident surface side of the backlight, and a polarizer is disposed on an inner side the bonding area. The bonding area of the substrate and the bonding area of the panel are bonded to each other via a sealant layer formed from a sealant applied thereon and cured.
 
  
 
===LIGHTING DEVICE OF THIN, SMALL LIGHT DISTRIBUTION ANGLE AND LESS POWER CONSUMPTION (18331963)===
 
===LIGHTING DEVICE OF THIN, SMALL LIGHT DISTRIBUTION ANGLE AND LESS POWER CONSUMPTION (18331963)===
Line 97: Line 55:
 
'''Inventor'''
 
'''Inventor'''
 
Makoto HASEGAWA
 
Makoto HASEGAWA
 
'''Brief explanation'''
 
The present invention aims to create a lighting device that is thin, energy-efficient, and emits light effectively. The invention includes a first light guide and a second light guide stacked on top of each other, with a reflecting sheet placed beneath the first light guide and a prism sheet placed on top of it. The prism sheet has a concentric array of prisms. Along the side wall of the first hole of the first light guide, multiple first LEDs are positioned in a circular arrangement, while multiple second LEDs are positioned in a similar manner along the side wall of the second hole of the second light guide. The first LEDs and second LEDs are displaced in the azimuth direction.
 
 
'''Abstract'''
 
The purpose of the present invention is to realize a lighting device of thin, low power consumption and high emitting efficiency. A concrete structure of the inventions is as follows. A lighting device including a first light guide and a second light guide stacked on the first light guide, a reflecting sheet disposed under the first light guide, and a prism sheet disposed on the first light guide, in which a concentric first prism array is formed on the prism sheet, a plurality of first LEDs are disposed along a circumferential direction of a side wall of a first hole of the first light guide, a plurality of second LEDs are disposed along a circumferential direction of a side wall of a second hole of the second light guide, and the plurality of the first LEDs and the plurality of the second LEDs are displaced in azimuth direction.
 
  
 
===LIQUID CRYSTAL DISPLAY DEVICE (18329870)===
 
===LIQUID CRYSTAL DISPLAY DEVICE (18329870)===
Line 108: Line 60:
 
'''Inventor'''
 
'''Inventor'''
 
Kyosuke WATANABE
 
Kyosuke WATANABE
 
'''Brief explanation'''
 
The abstract describes a liquid crystal display device that consists of two substrates and a liquid crystal layer. The first substrate has scanning lines and signal lines, as well as pixel electrodes and a common electrode. The common electrode is made up of sub-electrodes that can extend either in the same direction as the scanning lines or the signal lines. Each sub-electrode has two parts - a wider first portion and a narrower second portion. These two portions are arranged alternately along the direction of the sub-electrodes.
 
 
'''Abstract'''
 
According to one embodiment, a liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes scanning line extending in a first direction, signal line extending in a second direction, pixel electrodes including and a common electrode. The common electrode includes sub-electrodes extending in the first or second direction. Each of the sub-electrodes includes a first portion having a width greater than the scanning or signal line, and a second portion having a width less than the first portion but greater than the scanning or signal line. The first and second portions are alternately arranged along a direction in which the sub-electrodes extend.
 
  
 
===LIQUID CRYSTAL DISPLAY DEVICE (18122858)===
 
===LIQUID CRYSTAL DISPLAY DEVICE (18122858)===
Line 119: Line 65:
 
'''Inventor'''
 
'''Inventor'''
 
Koichiro ADACHI
 
Koichiro ADACHI
 
'''Brief explanation'''
 
The abstract describes a liquid crystal display device that consists of two substrates - an array substrate and a counter substrate. The array substrate contains a pixel array with multiple pixel electrodes arranged in a grid pattern. The counter substrate has a counter electrode that is positioned opposite to the array substrate and overlaps the pixel electrodes. The counter electrode has openings in regions that align with each of the pixel electrodes. The pixel electrodes are arranged in groups of four, with their edges shaped in a way that creates a diagonal gap between them, increasing the spacing between the four pixel electrodes.
 
 
'''Abstract'''
 
A liquid crystal display device includes an array substrate including a pixel array with a plurality of pixel electrodes arranged in a matrix, and a counter substrate including a counter electrode opposed to the array substrate and overlapping the plurality of pixel electrodes. The counter electrode includes openings in regions overlapping each of the pixel electrodes, and the plurality of pixel electrodes includes four pixel electrodes adjacent each other, and edges of the four pixel electrodes have an edge shape that diagonally faces each other and widens a spacing between the four pixel electrodes.
 
  
 
===DISPLAY DEVICE (18331420)===
 
===DISPLAY DEVICE (18331420)===
Line 130: Line 70:
 
'''Inventor'''
 
'''Inventor'''
 
Kojiro IKEDA
 
Kojiro IKEDA
 
'''Brief explanation'''
 
This abstract describes a display device that uses a liquid crystal layer between two substrates. The first substrate has a wiring line and a pixel electrode. The liquid crystal layer contains a stripe-shaped polymer and liquid crystal molecules. The polymer is present in two different areas - one overlapping the wiring line and the other overlapping the pixel electrode. The polymer in the wiring line area has a portion that extends in a different direction than the stripe shape, while the polymer in the pixel electrode area also has a portion that extends in a different direction. The density of the polymer in the wiring line area is higher than the density in the pixel electrode area.
 
 
'''Abstract'''
 
A display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer includes a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer includes a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.
 
  
 
===DISPLAY DEVICE WITH TOUCH DETECTING FUNCTION AND ELECTRONIC APPARATUS (18207282)===
 
===DISPLAY DEVICE WITH TOUCH DETECTING FUNCTION AND ELECTRONIC APPARATUS (18207282)===
Line 141: Line 75:
 
'''Inventor'''
 
'''Inventor'''
 
Koji ISHIZAKI
 
Koji ISHIZAKI
 
'''Brief explanation'''
 
The abstract describes a display device that has a touch detection function. The device includes a display area with pixels arranged in a matrix, a touch detection electrode, and a dummy electrode. The touch detection electrode has a thin wire that extends in one direction, while the dummy electrode has multiple thin wires. The device also has a drive electrode that provides capacitance for the touch detection electrode. The thin wires of the dummy electrode are divided by slits and overlap with different color areas on the display. The color areas that overlap with the slits have different colors depending on their proximity to other slits in a different direction.
 
 
'''Abstract'''
 
According to an aspect, a display device with a touch detecting function includes: a display area in which pixels each composed of a plurality of color areas are arranged in a matrix; a touch detection electrode including a first conductive thin wire extending in a first direction; and a dummy electrode including a plurality of second conductive thin wires; a drive electrode having capacitance for the touch detection electrode. Each of the second conductive thin wires includes a plurality of thin wire pieces extending in a direction different from the first direction and is divided by a slit between the thin wire pieces. A color area in the display area with which the slit overlaps has a different color from a color area in the display area with which a slit closest to the slit in a second direction orthogonal to the first direction overlaps.
 
  
 
===AUTHENTICATION DEVICE AND DRIVING METHOD OF AUTHENTICATION DEVICE (18119827)===
 
===AUTHENTICATION DEVICE AND DRIVING METHOD OF AUTHENTICATION DEVICE (18119827)===
Line 152: Line 80:
 
'''Inventor'''
 
'''Inventor'''
 
Masataka IKEDA
 
Masataka IKEDA
 
'''Brief explanation'''
 
The abstract describes an authentication device that has a display device and a control circuit. The display device consists of a transistor, a photoelectric conversion element, and a capacitive element. The control circuit performs various functions such as resetting the transistor, initializing the gate electrode, storing charge in the capacitive element, setting the threshold of the transistor, transmitting a signal to the gate electrode, adding charge to the stored charge, causing the photoelectric conversion element to emit light, reading the voltage corresponding to the stored charge, and generating a PUF-ID (Physical Unclonable Function - ID) using the voltage.
 
 
'''Abstract'''
 
An authentication device includes a display device and a control circuit. The display device includes a first transistor having a gate and a source electrode, a photoelectric conversion element having a first electrode connected to a drain electrode of the first transistor, and a capacitive element connected between the gate electrode and the drain electrode. The control circuit controls resetting the drain electrode, initializing the gate electrode, storing first charge corresponding to the threshold of the first transistor in the capacitive element, setting the threshold of the first transistor, transmitting a signal including data for causing the photoelectric conversion element to emit to the gate electrode, adding second charge corresponding data to the first charge, causing the photoelectric conversion element to emit, reading a voltage corresponding to the first charge and the second charge, and generating a PUF-ID using the voltage.
 
  
 
===DISPLAY DEVICE (18129144)===
 
===DISPLAY DEVICE (18129144)===
Line 163: Line 85:
 
'''Inventor'''
 
'''Inventor'''
 
Daijiro TAKANO
 
Daijiro TAKANO
 
'''Brief explanation'''
 
The abstract describes a display device that includes a display panel and a processing unit. The display panel consists of two substrates and a layer of liquid crystal. It also includes pixel electrodes, switching elements, a common electrode, and an optical sensor. The optical sensor measures the amount of light coming from the liquid crystal layer. The processing unit adjusts the common voltage supplied to the common electrode based on the detection signals from the optical sensor, depending on whether the display panel is in a positive or negative polarity state.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a display panel and a processing unit. The display panel includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a plurality of pixel electrodes, a plurality of switching elements, a common electrode and an optical sensor. The optical sensor outputs a detection signal corresponding to an amount of light coming from the liquid crystal layer side. The processing unit adjusts a common voltage supplied to the common electrode, based on a first detection signal output from the optical sensor when the display panel is in a positive polarity state, and a second detection signal output from the optical sensor when the display panel is in a negative polarity state.
 
  
 
===DISPLAY DEVICE (18126814)===
 
===DISPLAY DEVICE (18126814)===
Line 174: Line 90:
 
'''Inventor'''
 
'''Inventor'''
 
Tomokazu ISHIKAWA
 
Tomokazu ISHIKAWA
 
'''Brief explanation'''
 
The abstract describes a display device that consists of an array substrate with scan lines, signal lines, and pixels. The array substrate has curved line parts and is divided into a first region and a second region. The second region is located between the end part of the array substrate and the first region. In the second region, there is a signal-line coupling circuit connected to the signal lines, a shield layer covering part of the signal-line coupling circuit near the curved line parts, and a gate driver circuit connected to the scan lines.
 
 
'''Abstract'''
 
A display device includes an array substrate, a first region in which a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, and a plurality of pixels are provided on the array substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved line parts, a second region positioned between an end part of the array substrate and the first region, a signal-line coupling circuit disposed in the second region and coupled to the signal lines, a shield layer disposed in the second region and covering at least part of the signal-line coupling circuit near at least one of the curved line parts, and a gate driver circuit disposed in the second region outside the signal-line coupling circuit and coupled to the scan lines.
 
  
 
===METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (18127661)===
 
===METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (18127661)===
Line 185: Line 95:
 
'''Inventor'''
 
'''Inventor'''
 
Hajime WATAKABE
 
Hajime WATAKABE
 
'''Brief explanation'''
 
The abstract describes a method for manufacturing a semiconductor device. The method involves several steps, including forming an oxide semiconductor layer on a substrate, applying a gate insulating layer on top of the oxide semiconductor layer, and then depositing a metal oxide layer containing aluminum as the main component on the gate insulating layer. The next step is to perform a heat treatment while the metal oxide layer is still present. After the heat treatment, the metal oxide layer is removed, and a gate electrode is formed on top of the gate insulating layer.
 
 
'''Abstract'''
 
A method for manufacturing semiconductor device according to an embodiment includes; forming an oxide semiconductor layer above a substrate; forming a gate insulating layer above the oxide semiconductor layer; forming a metal oxide layer containing aluminum as a main component above the gate insulating layer; performing a heat treatment in a state where the metal oxide layer is formed above the gate insulating layer; removing the metal oxide layer after the heat treatment; and forming a gate electrode above the gate insulating layer.
 
  
 
===METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (18127679)===
 
===METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (18127679)===
Line 196: Line 100:
 
'''Inventor'''
 
'''Inventor'''
 
Hajime WATAKABE
 
Hajime WATAKABE
 
'''Brief explanation'''
 
The abstract describes a method for manufacturing a semiconductor device. The method involves several steps, including forming layers of metal oxide and oxide semiconductor on a substrate, creating a gate insulating layer, and performing a heat treatment. The second metal oxide layer is then removed, and a gate electrode is formed. The method aims to simplify the manufacturing process of the semiconductor device.
 
 
'''Abstract'''
 
A method for manufacturing semiconductor device according to an embodiment includes: forming a first metal oxide layer containing aluminum as a main component above a substrate; forming an oxide semiconductor layer above the first metal oxide layer; forming a gate insulating layer above the oxide semiconductor layer; forming a second metal oxide layer containing aluminum as a main component above the gate insulating layer; performing a heat treatment in a state where the second metal oxide layer is formed above the gate insulating layer; removing the second metal oxide layer after the heat treatment; and forming a gate electrode above the gate insulating layer.
 
  
 
===SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE (18328788)===
 
===SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE (18328788)===
Line 207: Line 105:
 
'''Inventor'''
 
'''Inventor'''
 
Hajime WATAKABE
 
Hajime WATAKABE
 
'''Brief explanation'''
 
This abstract describes a semiconductor device that contains thin film transistors. These transistors use an oxide semiconductor material and have various regions including a channel region, a drain region, and a source region. Additionally, there are low concentration regions located between the channel region and the drain/source regions. These low concentration regions have a lower impurity concentration compared to the drain/source regions.
 
 
The thin film transistors also have a gate insulating film, which covers the channel region and the low concentration regions. On top of this gate insulating film, there is an aluminum oxide film present on a specific part that is located on the channel region. Finally, a gate electrode is placed on top of the aluminum oxide film and another part of the gate insulating film, which is located on the low concentration regions.
 
 
'''Abstract'''
 
A semiconductor device includes thin film transistors each having an oxide semiconductor. The oxide semiconductor has a channel region, a drain region, a source region, and low concentration regions which are lower in impurity concentration than the drain region and the source region. The low concentration regions are located between the channel region and the drain region, and between the channel region and the source region. Each of the thin film transistors has a gate insulating film on the channel region and the low concentration regions, an aluminum oxide film on a first part of the gate insulating film, the first part being located on the channel region, and a gate electrode on the aluminum oxide film and a second part of the gate insulating film, the second part being located on the low concentration regions.
 
  
 
===METHOD OF MANUFACTURING DISPLAY DEVICE (18185633)===
 
===METHOD OF MANUFACTURING DISPLAY DEVICE (18185633)===
Line 220: Line 110:
 
'''Inventor'''
 
'''Inventor'''
 
Yuko MATSUMOTO
 
Yuko MATSUMOTO
 
'''Brief explanation'''
 
This abstract describes a manufacturing method for a display device. The method involves creating three lower electrodes and forming a rib with three apertures that overlap each of the lower electrodes. Thin films with light emitting layers are then formed on the lower electrodes. The first aperture is larger than the second aperture.
 
 
'''Abstract'''
 
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.
 
  
 
===DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE (18190158)===
 
===DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE (18190158)===
Line 231: Line 115:
 
'''Inventor'''
 
'''Inventor'''
 
Hirofumi MIZUKOSHI
 
Hirofumi MIZUKOSHI
 
'''Brief explanation'''
 
This abstract describes a manufacturing method for a display device. The method involves the formation of multiple layers, including etching stopper layers and sealing layers. The etching stopper layers have a slower etching rate compared to the sealing layers. Additionally, the first and second etching stopper layers are thicker than the third etching stopper layer.
 
 
'''Abstract'''
 
According to one embodiment, in a manufacturing method of a display device, a first etching stopper layer and a first sealing layer is formed. A second etching stopper layer and a second sealing layer is formed. A third etching stopper layer and a third sealing layer is formed. An etching rate of the first etching stopper layer is less than an etching rate of the first sealing layer. An etching rate of the second etching stopper layer is less than an etching rate of the second sealing layer. An etching rate of the third etching stopper layer is less than an etching rate of the third sealing layer. A thickness of each of the first etching stopper layer and the second etching stopper layer is greater than a thickness of the third etching stopper layer.
 
  
 
===DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF (18295283)===
 
===DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF (18295283)===
Line 242: Line 120:
 
'''Inventor'''
 
'''Inventor'''
 
Kaichi FUKUDA
 
Kaichi FUKUDA
 
'''Brief explanation'''
 
The abstract describes a display device that consists of various components such as electrodes, a rib, a partition, and an organic layer. The partition has three parts - a first portion, a second portion, and a third portion. The second portion is in contact with the upper electrode and protrudes in a certain direction, while the third portion protrudes in the opposite direction.
 
 
'''Abstract'''
 
According to one embodiment, a display device includes a lower electrode, a rib including a pixel aperture, a partition on the rib, an upper electrode, and an organic layer between the lower electrode and the upper electrode. The partition includes a conductive first portion, a conductive second portion which is provided on the first portion and is in contact with the upper electrode, and a third portion provided on the second portion. A lower end of the second portion protrudes in a width direction of the partition relative to the first portion. The third portion protrudes in the width direction relative to an upper end of the second portion.
 
  
 
===MANUFACTURING METHOD OF DISPLAY DEVICE (18191001)===
 
===MANUFACTURING METHOD OF DISPLAY DEVICE (18191001)===
Line 253: Line 125:
 
'''Inventor'''
 
'''Inventor'''
 
Hiraaki KOKAME
 
Hiraaki KOKAME
 
'''Brief explanation'''
 
This abstract describes a manufacturing method for a display device. The method involves creating a first display element on a substrate, which includes a lower electrode, an upper electrode, and an organic layer between them. A sealing layer is then formed to cover the display element. A resist is applied on top of the sealing layer, and a portion of the sealing layer and display element that is exposed from the resist is removed through a patterning process that includes washing the substrate with a cleaning liquid containing water.
 
 
'''Abstract'''
 
According to one embodiment, a manufacturing method of a display device includes forming a first display element on a substrate, the first display element including a first lower electrode, a first upper electrode and a first organic layer located between the first lower electrode and the first upper electrode, forming a first sealing layer which covers the first display element, forming a first resist on the first sealing layer, and removing, of the first sealing layer and the first display element, a portion exposed from the first resist by a first patterning process including washing of the substrate with a cleaning liquid containing water.
 

Latest revision as of 01:41, 12 October 2023

Summary of the patent applications from Japan Display Inc. on October 5th, 2023

  • Japan Display Inc. has recently filed patents related to manufacturing methods for display devices and semiconductor devices.
  • The manufacturing methods involve creating display elements on substrates, forming sealing layers, and removing exposed portions through patterning processes.
  • The display devices consist of various components such as electrodes, rib, partition, and organic layers.
  • The semiconductor devices contain thin film transistors using oxide semiconductor materials and have different regions including channel, drain, and source regions.
  • Notable applications of these patents include:
 * Simplifying the manufacturing process of semiconductor devices.
 * Creating display devices with curved line parts and signal-line coupling circuits.
 * Adjusting the common voltage of display panels based on detection signals from optical sensors.
 * Developing authentication devices with photoelectric conversion elements and capacitive elements for generating unique IDs.



Patent applications for Japan Display Inc. on October 5th, 2023

DISPLAY DEVICE (18295265)

Inventor Shimon ITAKURA

DISPLAY DEVICE (18329644)

Inventor Yoichi KAMIJO

DISPLAY DEVICE (18330670)

Inventor Kentaro OKUYAMA

DISPLAY DEVICE (18329934)

Inventor Chikyu NAKAOKA

DISPLAY DEVICE AND ILLUMINATION DEVICE (18331392)

Inventor Yudai NUMATA

DISPLAY DEVICE (18191105)

Inventor Shuichi OSAWA

DISPLAY DEVICE (18191877)

Inventor Shuichi OSAWA

LIGHTING DEVICE OF THIN, SMALL LIGHT DISTRIBUTION ANGLE AND LESS POWER CONSUMPTION (18331963)

Inventor Makoto HASEGAWA

LIQUID CRYSTAL DISPLAY DEVICE (18329870)

Inventor Kyosuke WATANABE

LIQUID CRYSTAL DISPLAY DEVICE (18122858)

Inventor Koichiro ADACHI

DISPLAY DEVICE (18331420)

Inventor Kojiro IKEDA

DISPLAY DEVICE WITH TOUCH DETECTING FUNCTION AND ELECTRONIC APPARATUS (18207282)

Inventor Koji ISHIZAKI

AUTHENTICATION DEVICE AND DRIVING METHOD OF AUTHENTICATION DEVICE (18119827)

Inventor Masataka IKEDA

DISPLAY DEVICE (18129144)

Inventor Daijiro TAKANO

DISPLAY DEVICE (18126814)

Inventor Tomokazu ISHIKAWA

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (18127661)

Inventor Hajime WATAKABE

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (18127679)

Inventor Hajime WATAKABE

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE (18328788)

Inventor Hajime WATAKABE

METHOD OF MANUFACTURING DISPLAY DEVICE (18185633)

Inventor Yuko MATSUMOTO

DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE (18190158)

Inventor Hirofumi MIZUKOSHI

DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF (18295283)

Inventor Kaichi FUKUDA

MANUFACTURING METHOD OF DISPLAY DEVICE (18191001)

Inventor Hiraaki KOKAME