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公开(公告)号：US20230418398A1
公开(公告)日：2023-12-28
申请号：US18464386
申请日：2023-09-11
Applicant: Japan Display Inc.
Inventor： Yuko MATSUMOTO , Hajime AKIMOTO , Mitsuhide MIYAMOTO , Yusuke TADA
IPC: G06F3/041 , H10K50/844 , H10K59/40 , H10K71/00
CPC classification number: G06F3/041 , H10K50/844 , H10K59/40 , H10K71/00 , G06F2203/04103 , H10K59/131
Abstract: The method for manufacturing a display device includes forming a light emitting element and a terminal on a substrate, forming a sealing film including a first inorganic insulating film and a second inorganic insulating film to cover the light emitting element and the terminal, forming a resist having a taper shape in which a thickness of an end portion on the sealing film becomes thinner as it goes to the terminal side by using a gray-tone mask, forming a taper shape in which thicknesses in end portions of the first inorganic insulating film and the second inorganic insulating film becomes thinner as it goes to the terminal side by etching, forming a touch electrode above the sealing film and forming wiring connected to the terminal via the end portions together with connecting to the touch electrode for detecting a touched position.
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公开(公告)号：US20230413644A1
公开(公告)日：2023-12-21
申请号：US18460690
申请日：2023-09-05
Applicant: Japan Display Inc.
Inventor： Yuko MATSUMOTO
CPC classification number: H10K59/80524 , H10K59/871 , H10K59/80523 , H10K71/233 , H10K59/879
Abstract: According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, forming a rib, and forming a partition including a lower portion and an upper portion, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a first transparent layer on the upper electrode, and forming a second transparent layer on the first transparent layer. The first transparent layer and the second transparent layer are formed of organic materials different from each other. A refractive index of the second transparent layer is less than a refractive index of the first transparent layer.
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公开(公告)号：US20230389356A1
公开(公告)日：2023-11-30
申请号：US18363759
申请日：2023-08-02
Applicant: Japan Display Inc.
Inventor： Yuko MATSUMOTO , Kaichi FUKUDA
IPC: H10K59/12 , H10K59/35 , H10K59/122 , H10K59/80
CPC classification number: H10K59/1201 , H10K59/873 , H10K59/122 , H10K59/352
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.
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公开(公告)号：US20210296611A1
公开(公告)日：2021-09-23
申请号：US17340717
申请日：2021-06-07
Applicant: Japan Display Inc.
Inventor： Mitsuhide MIYAMOTO , Hajime AKIMOTO , Yuko MATSUMOTO , Yusuke TADA
Abstract: A display device has a first electrode provided corresponding to each of a plurality of pixels in a region in which the plurality of pixels is provided, a second electrode provided over the plurality of pixels and extending to a contact region provided outside the pixel region, a light emitting layer provided between the first electrode and the second electrode, a third electrode provided in the contact region, an organic insulating layer covering the third electrode and provided with a contact hole exposing the third electrode, and a connection portion between the second electrode and the third electrode in the contact hole, wherein the maximum distance between any two points on the outer periphery of the connection portion is 1 μm or more and 100 μm or less.
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公开(公告)号：US20190393442A1
公开(公告)日：2019-12-26
申请号：US16445782
申请日：2019-06-19
Applicant: Japan Display Inc.
Inventor： Mitsuhide MIYAMOTO , Hajime AKIMOTO , Yuko MATSUMOTO , Yusuke TADA
Abstract: A display device has a first electrode provided corresponding to each of a plurality of pixels in a region in which the plurality of pixels is provided, a second electrode provided over the plurality of pixels and extending to a contact region provided outside the pixel region, a light emitting layer provided between the first electrode and the second electrode, a third electrode provided in the contact region, an organic insulating layer covering the third electrode and provided with a contact hole exposing the third electrode, and a connection portion between the second electrode and the third electrode in the contact hole, wherein the maximum distance between any two points on the outer periphery of the connection portion is 1 μm or more and 100 μm or less.
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Patent Agency Ranking
公开(公告)号：US20180348934A1
公开(公告)日：2018-12-06
申请号：US15986140
申请日：2018-05-22
Applicant: Japan Display Inc.
Inventor： Yuko MATSUMOTO
IPC: G06F3/041
CPC classification number: G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04111 , G06F2203/04112
Abstract: A circuitry layer includes a display area and a peripheral area outside the display area, the circuitry layer including display elements, the circuitry layer including first interconnects connected to the respective display elements. A touch sensing layer includes touch electrodes overlapped with the display area, the touch sensing layer including second interconnects overlapped with the peripheral area and connected to the respective touch electrodes. A spacer layer is interposed at least between the first interconnects and the second interconnects. Each touch electrode and a corresponding one of the display elements closest thereto are away from each other by a first distance in a thickness direction. Each second interconnect and a corresponding one of the first interconnects closest thereto are away from each other by a second distance in the thickness direction. The second distance is larger than the first distance.
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公开(公告)号：US20180039360A1
公开(公告)日：2018-02-08
申请号：US15646249
申请日：2017-07-11
Applicant: Japan Display Inc.
Inventor： Hajime AKIMOTO , Mitsuhide MIYAMOTO , Yuko MATSUMOTO , Yusuke TADA
CPC classification number: G06F3/0412 , G06F3/044 , G06F2203/04111 , G06F2203/04112 , G09G3/3225 , G09G2300/0452 , H01L27/3216 , H01L27/322 , H01L27/323 , H01L27/3276 , H01L51/5218 , H01L51/5275 , H01L51/5281 , H01L2227/323 , H01L2251/5315
Abstract: Disclosed is a display device having a first layer and a second layer over the second layer. The first layer possesses a display region including: a plurality of first sub-pixels; a plurality of second sub-pixels; a plurality of third sub-pixels; a partition wall sandwiched by two adjacent sub-pixels; and a sealing film thereover. The second layer includes: a first touch electrode overlapping with the partition wall and arranged along the partition wall; and a second touch electrode overlapping with the partition wall, arranged along the partition wall, and intersecting the first touch electrode. The first touch electrode and the second touch electrode exist in the same layer. The first touch electrode and the second touch electrode each have a plurality of openings. Among the number of the first sub-pixels, the number of the second sub-pixels, and the number of the third sub-pixels, one is different from the other two.
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公开(公告)号：US20170250375A1
公开(公告)日：2017-08-31
申请号：US15419513
申请日：2017-01-30
Applicant: Japan Display Inc.
Inventor： Yuko MATSUMOTO
CPC classification number: H01L51/5275 , H01L27/322 , H01L27/3244 , H01L51/5256 , H01L51/5268 , H01L51/5284
Abstract: A display device includes: a plurality of pixel electrodes respectively corresponding to a plurality of unit pixels that constitute an image; a light-emitting element layer stacked on the plurality of pixel electrodes so as to be in contact with each of the plurality of pixel electrodes and provided so as to emit light with a luminance controlled by an electric current; a common electrode provided so as to be stacked on and in contact with the light-emitting element layer above the plurality of pixel electrodes; and a sealing layer made of a light-transmissive material and stacked on the common electrode so as to seal the light-emitting element layer. The sealing layer is formed of a plurality of layers that are stacked on one another. The interface between two adjacent layers of the plurality of layers includes irregularities in regions located above the plurality of pixel electrodes.
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公开(公告)号：US20160133877A1
公开(公告)日：2016-05-12
申请号：US15001554
申请日：2016-01-20
Applicant: Japan Display Inc.
Inventor： Yuko MATSUMOTO , Toshihiro SATO , Hiroshi OOOKA
CPC classification number: H01L51/5268 , H01L27/322 , H01L27/3244 , H01L27/3246 , H01L51/5203 , H01L51/524 , H01L51/5246 , H01L51/5253 , H01L51/5265 , H01L51/5271 , H01L51/5284 , H01L2251/5315 , H01L2251/558
Abstract: An organic EL display device includes a first substrate, a plurality of organic EL devices arranged on the first substrate, a second substrate arranged above the first substrate, and a filling layer arranged between the first substrate and the second substrate, and displays an image on the second-substrate side. The organic EL display device is characterized in that: the organic EL devices each have a light-emission layer, a reflection electrode formed below the light-emission layer and reflecting light from the light-emission layer upwards, and an upper electrode formed above the light-emission layer and having a light transmission property and reflectivity; a structure for resonating the light emitted by the light-emission layer is formed between the reflection electrode and the upper electrode; and the filling layer includes fine particles for diffusing light exiting from the upper electrode added therein.
Abstract translation: 有机EL显示装置包括第一基板，布置在第一基板上的多个有机EL器件，布置在第一基板上方的第二基板，以及布置在第一基板和第二基板之间的填充层，并且将图像显示在 第二基板侧。 有机EL显示装置的特征在于：有机EL元件各自具有发光层，在发光层的下方形成的反射电极，向上反射来自发光层的光，上部电极形成在 发光层，具有透光性和反射率; 在反射电极和上电极之间形成用于使由发光层发射的光谐振的结构; 并且填充层包括用于扩散从其中添加的上电极射出的光的细颗粒。
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公开(公告)号：US20160131928A1
公开(公告)日：2016-05-12
申请号：US14982724
申请日：2015-12-29
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU , Yuko MATSUMOTO
IPC: G02F1/1337 , G02F1/1333 , G02F1/1343
CPC classification number: G02F1/1337 , G02F1/133345 , G02F1/133514 , G02F1/133788 , G02F1/134363 , G02F1/13439
Abstract: A liquid crystal display device has a liquid crystal display panel including pixels each having an active device, a pixel electrode, a common electrode and a liquid crystal layer arranged in a dot matrix array. The liquid crystal display panel has a first substrate, a second substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The first substrate has the active device, the pixel electrode, the common electrode and a first alignment film. The second substrate has a second alignment film. The first alignment film and the second alignment film are respectively a photo alignment film formed by irradiating a photo decomposition type insulating film with light. The second alignment film has a thickness of at least 10 nm and no greater 50 nm and is thinner than the first alignment film.
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