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公开(公告)号：US09812668B2
公开(公告)日：2017-11-07
申请号：US15335554
申请日：2016-10-27
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya
CPC classification number: H01L51/5253 , H01L27/3244 , H01L27/3246 , H01L51/5016 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5234 , H01L51/5237 , H01L51/5271 , H01L51/56
Abstract: The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer. The inter layer is formed so as to cover a step on the top surface of the base layer.
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公开(公告)号：US09515289B2
公开(公告)日：2016-12-06
申请号：US14847869
申请日：2015-09-08
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya
CPC classification number: H01L51/5253 , H01L27/3244 , H01L27/3246 , H01L51/5016 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5234 , H01L51/5237 , H01L51/5271 , H01L51/56
Abstract: The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer. The inter layer is formed so as to cover a step on the top surface of the base layer.
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公开(公告)号：US09419245B2
公开(公告)日：2016-08-16
申请号：US14471053
申请日：2014-08-28
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya , Toshihiro Sato
CPC classification number: H01L51/5253 , H01L51/5225
Abstract: In an organic EL display device configured in which an acrylic resin layer is disposed under a barrier layer that protects an OLED for flattening the barrier layer, floating the barrier layer caused by penetration of moisture into the acrylic resin can be prevented. A side surface of a bank formed in a boundary of pixels is formed into a cliff part having an inclination angle of 90° or larger in most portions of a circumstance of each pixel part, and formed into a gently sloped part having the inclination angle smaller than 90° in a part of the circumference. The electrode parts disposed within the respective pixels are connected to each other through an electrode part disposed on an upper surface of the bank, and electrode parts disposed on the gently sloped parts to form an OLED common electrode.
Abstract translation: 在一种有机EL显示装置中，其中丙烯酸树脂层设置在保护用于使阻挡层平坦化的OLED的阻挡层下方，将由水分渗入丙烯酸树脂引起的阻挡层浮起。 形成在像素边界上的堤的侧面在每个像素部分的大部分部分中形成具有90°或更大倾斜角的悬崖部分，并且形成为具有较小倾斜角的轻度倾斜部分 在圆周的一部分超过90°。 设置在各个像素内的电极部分通过布置在堤的上表面上的电极部件和设置在轻度倾斜部分上的电极部件彼此连接，以形成OLED公共电极。
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公开(公告)号：US12150324B2
公开(公告)日：2024-11-19
申请号：US17537645
申请日：2021-11-30
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya , Kota Makishi
IPC: H10K50/11 , G09G3/3208 , G09G3/3233 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/818 , H10K50/82 , H10K50/84 , H10K50/844 , H10K59/122 , H10K59/124 , H10K59/173 , H10K71/00
Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the plurality of pixels including a first electrode, a light emitting layer above the first electrode, and a second electrode above the light emitting layer, a display region including the plurality of pixels, a first organic insulating layer located between the substrate and the light emitting layer, and a sealing layer above the second electrode and covering the plurality of pixels. The first organic insulating layer includes a first opening part surrounding the display region, the sealing layer has a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, the first inorganic insulating layer and the second inorganic insulating layer cover the first opening part, a second opening part passing through the first inorganic insulating layer and the second inorganic insulating layer.
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公开(公告)号：US11849599B2
公开(公告)日：2023-12-19
申请号：US17126167
申请日：2020-12-18
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya
IPC: H01L51/52 , H01L27/32 , H01L51/56 , H01L51/50 , H10K50/844 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/828 , H10K50/856 , H10K59/12 , H10K59/122 , H10K71/00 , H10K50/84 , H10K101/10
CPC classification number: H10K50/844 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/828 , H10K50/856 , H10K59/12 , H10K59/122 , H10K71/00 , H10K50/84 , H10K2101/10
Abstract: The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer. The inter layer is formed so as to cover a step on the top surface of the base layer.
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Patent Agency Ranking
公开(公告)号：US20220223676A1
公开(公告)日：2022-07-14
申请号：US17708068
申请日：2022-03-30
Applicant: Japan Display Inc.
Inventor： Hiraaki KOKAME , Akinori Kamiya
Abstract: A display device according to an embodiment of the present invention includes: a substrate, a plurality of pixels on the substrate, a first inorganic insulating layer that covers the plurality of pixels, a conductive layer on the first inorganic insulating layer, and a second inorganic insulating layer that on the conductive layer, the conductive layer being between the first inorganic insulating layer and the second inorganic insulating layer, wherein the first inorganic insulating layer includes an area that is in direct contact with the second inorganic insulating layer, and all of the conductive layer is covered with the first inorganic insulating layer and the second inorganic insulating layer.
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公开(公告)号：US10903449B2
公开(公告)日：2021-01-26
申请号：US16872648
申请日：2020-05-12
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya
Abstract: The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer. The inter layer is formed so as to cover a step on the top surface of the base layer.
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公开(公告)号：US10693106B2
公开(公告)日：2020-06-23
申请号：US16431075
申请日：2019-06-04
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya
Abstract: The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer. The inter layer is formed so as to cover a step on the top surface of the base layer.
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公开(公告)号：US20190326549A1
公开(公告)日：2019-10-24
申请号：US16453123
申请日：2019-06-26
Applicant: Japan Display Inc.
Inventor： Hiraaki Kokame , Akinori Kamiya , Naoya Kubota
Abstract: A display device includes a plurality of pixels arranged on one surface of a substrate within a display region, each of the plurality of pixels including a light emitting element, a partition wall layer including a first partition wall, a second partition wall and a third partition wall, a sealing layer arranged on the plurality of pixels and the partition wall layer, the sealing layer including a first inorganic insulating layer, an organic insulating layer and a second inorganic insulating layer, a protective layer arranged on the sealing layer, and a plurality of connection terminals exposed from the protective layer. The first partition wall surrounds each of the plurality of pixels, the second partition wall surrounds the display region, the third partition wall surrounds the outside of the second partition wall. A groove part is included between the second partition wall and the third partition wall.
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公开(公告)号：US09966570B2
公开(公告)日：2018-05-08
申请号：US15363314
申请日：2016-11-29
Applicant: Japan Display Inc.
Inventor： Akinori Kamiya , Daisuke Kato
CPC classification number: H01L51/5256 , H01L27/3244 , H01L51/5253 , H01L51/5275 , H01L51/56
Abstract: A display device includes a light-emitting element layer that emits light with a luminance controlled for each of a plurality of unit pixels constituting an image, and a sealing layer provided on the light-emitting element layer and including a plurality of layers. The plurality of layers of the sealing layer includes at least an inorganic layer provided on the light-emitting element layer, an organic layer provided on the inorganic layer, and an inorganic layer that is an uppermost layer. A density of the inorganic layer that is the uppermost layer in a thickness direction changes in the thickness direction.
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