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公开(公告)号：US20240114749A1
公开(公告)日：2024-04-04
申请号：US18477586
申请日：2023-09-29
Applicant: Japan Display Inc.
Inventor： Kaichi FUKUDA
CPC classification number: H10K59/80517 , H10K59/1201 , H10K59/352 , H10K59/80516 , H10K59/80518 , H10K71/60 , H10K2102/351
Abstract: According to one embodiment, a display device includes first and second base electrodes, a rib, first and second lower electrodes, first and second organic layers, and an upper electrode. A peripheral portion of each of the first base electrode and the second base electrode is covered with the rib. Each of the first base electrode and the second base electrode is formed of a first metal material. A peripheral portion of each of the first lower electrode and the second lower electrode is located on the rib. Each of the first lower electrode and the second lower electrode is formed of a second metal material different from the first metal material. A thickness of the first lower electrode is different from a thickness of the second lower electrode.
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公开(公告)号：US20240099110A1
公开(公告)日：2024-03-21
申请号：US18470437
申请日：2023-09-20
Applicant: Japan Display Inc.
Inventor： Hirofumi MIZUKOSHI , Takanobu TAKENAKA , Masaru TAKAYAMA , Kaichi FUKUDA
CPC classification number: H10K59/879 , H10K59/871 , H10K71/233
Abstract: According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, a rib and a partition, 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 by depositing a first organic material, forming a second transparent layer on the first transparent layer by depositing a second organic material, and depositing the second organic material on each of a plurality of crystal oscillators included in a film thickness measurement device by emitting the second organic material from first and second nozzles of an evaporation source before forming the second transparent layer.
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公开(公告)号：US20230320172A1
公开(公告)日：2023-10-05
申请号：US18295283
申请日：2023-04-04
Applicant: Japan Display Inc.
Inventor： Kaichi FUKUDA
CPC classification number: H10K59/80515 , H10K71/00 , H10K59/80521 , H10K2102/351
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.
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公开(公告)号：US20230320142A1
公开(公告)日：2023-10-05
申请号：US18190158
申请日：2023-03-27
Applicant: Japan Display Inc.
Inventor： Hirofumi MIZUKOSHI , Kaichi FUKUDA , Takanobu TAKENAKA , Masaru TAKAYAMA
IPC: H10K59/122 , H10K59/12 , H10K59/35
CPC classification number: H10K59/122 , H10K59/1201 , H10K59/35
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.
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公开(公告)号：US20230269971A1
公开(公告)日：2023-08-24
申请号：US18169882
申请日：2023-02-16
Applicant: Japan Display Inc.
Inventor： Kaichi FUKUDA
IPC: H10K59/122 , H10K59/80
CPC classification number: H10K59/122 , H10K59/80515 , H10K59/80523 , H10K59/35
Abstract: According to one embodiment, a display device includes a lower electrode, a rib covering a part of the lower electrode and including an aperture that overlaps with the lower electrode, a partition including a lower portion on the rib and an upper portion protruding from a side surface of the lower portion, an upper electrode opposed to the lower electrode, and an organic layer located between the lower and upper electrodes. The upper electrode includes a first layer covering the organic layer and a second layer covering the first layer. The second layer is in contact with the side surface of the lower portion.
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Patent Agency Ranking
公开(公告)号：US20230255063A1
公开(公告)日：2023-08-10
申请号：US18164615
申请日：2023-02-06
Applicant: Japan Display Inc.
Inventor： Kaichi FUKUDA , Yuko MATSUMOTO
IPC: H10K59/122 , H10K59/80 , H10K59/12
CPC classification number: H10K59/122 , H10K59/873 , H10K59/1201
Abstract: According to one embodiment, a display device includes a lower electrode, a rib including an aperture, a partition on the rib, an upper electrode in contact with the partition, an organic layer between the lower electrode and the upper electrode, and a sealing layer on the upper electrode. The partition includes a lower portion provided on the rib, and an upper portion provided on the lower portion and including an end portion protruding from a side surface of the lower portion. The upper portion is formed of a material which has translucency and which is different from a material of the sealing layer.
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公开(公告)号：US20230225180A1
公开(公告)日：2023-07-13
申请号：US18151486
申请日：2023-01-09
Applicant: Japan Display Inc.
Inventor： Hiraaki KOKAME , Toshifumi MIMURA , Kaichi FUKUDA
CPC classification number: H10K71/231 , H10K59/1201 , H10K2102/351
Abstract: According to one embodiment, a method of manufacturing a display device includes preparing a processing substrate with a lower electrode, a rib, and a partition including a lower portion and an upper portion, forming a first organic layer and a second organic layer spaced apart from the first organic layer, forming a first upper electrode and a second upper electrode spaced apart from the first upper electrode, forming a sealing layer located on the first upper electrode and the second upper electrode, forming a resist covering a part of the sealing layer, performing anisotropic dry etching using the resist as a mask, performing isotropic dry etching using the resist as a mask, and removing the sealing layer exposed from the resist.
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公开(公告)号：US20170279086A1
公开(公告)日：2017-09-28
申请号：US15452129
申请日：2017-03-07
Applicant: Japan Display Inc.
Inventor： Kaichi FUKUDA
CPC classification number: H01L51/56 , H01L27/3246 , H01L51/001 , H01L51/0012 , H01L51/0021 , H01L51/5012 , H01L51/5206 , H01L2251/5392
Abstract: An organic EL display device includes a pixel electrode, a pixel isolation insulating film on which an opening at a bottom of which the pixel electrode is exposed is formed, an aggregate of an organic material partially formed on the pixel electrode that is exposed at the bottom of the opening, an organic film, including a light emitting layer, that covers the pixel electrode and the aggregate, and an opposing electrode that covers the organic film. The aggregate is formed at a corner formed by the pixel electrode that is exposed at the bottom of the opening and an inner wall that forms the opening of the pixel isolation insulating film.
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公开(公告)号：US20160301033A1
公开(公告)日：2016-10-13
申请号：US15186106
申请日：2016-06-17
Applicant: Japan Display Inc.
Inventor： Daisuke KATO , Kaichi FUKUDA
CPC classification number: H01L51/5256 , H01L27/3244 , H01L27/3246 , H01L27/3258 , H01L27/3265 , H01L51/5012 , H01L51/5253 , H01L2227/323 , H01L2251/301
Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.
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公开(公告)号：US20160293890A1
公开(公告)日：2016-10-06
申请号：US15186081
申请日：2016-06-17
Applicant: Japan Display Inc.
Inventor： Daisuke KATO , Kaichi FUKUDA
CPC classification number: H01L51/5256 , H01L27/3244 , H01L27/3246 , H01L27/3258 , H01L27/3265 , H01L51/5012 , H01L51/5253 , H01L2227/323 , H01L2251/301
Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.
Abstract translation: 根据一个实施例，有机半导体器件包括支撑衬底，多个有机EL发光元件，第一阻挡层，平坦化层和第二阻挡层。 扁平层偶尔存在，并且在第一阻挡层的表面中存在倾斜的倾斜高度变化的温和。 第一阻挡层和第二阻挡层由防潮渗透材料制成。
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