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公开(公告)号：US10290829B2
公开(公告)日：2019-05-14
申请号：US15372598
申请日：2016-12-08
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata , Hiraaki Kokame
Abstract: A display device is disclosed including an array substrate including a plurality of pixels arranged in a display region, the display region including a planar region and a curved region, and a sealing layer covering the plurality of pixels and arranged across the display region, wherein the sealing layer includes a first organic insulation layer and a second organic insulation layer, a film thickness of the first organic insulation layer is more than a film thickness of the second organic insulation layer in the planar region, a film thickness of the second organic insulation layer is more than a film thickness of the first organic insulation layer in the curved region, and a hardness of the second organic insulation layer is lower than a hardness of the first organic insulation layer.
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公开(公告)号：US10020463B2
公开(公告)日：2018-07-10
申请号：US15629947
申请日：2017-06-22
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata
IPC: H01L51/52
CPC classification number: H01L51/524
Abstract: A display device includes a first substrate, a light emitting element located on the first substrate and including a pair of electrodes and one organic layer or a plurality of organic layers located between the pair of electrodes, a second substrate located to face the first substrate, a third substrate located on a surface of the second substrate opposite to a surface thereof facing the light emitting element, and a tacky layer located between the second substrate and the third substrate, a tack strength between the tacky layer and the second substrate or the third substrate being weaker than an adhesive strength between one of the pair of electrodes and the one organic layer or an adhesive strength between the plurality of organic layers.
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公开(公告)号：US09530985B2
公开(公告)日：2016-12-27
申请号：US15163771
申请日：2016-05-25
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata , Takumi Kuji
CPC classification number: H01L51/5253 , H01L27/3213 , H01L51/524 , H01L51/5246 , H01L51/5284 , H01L51/56 , H01L2251/301
Abstract: A method includes: forming, in a first substrate, a display area in which a plurality of pixels including an organic EL light-emitting layer are arrayed; forming, in a second substrate, a plurality of opening areas respectively located in correspondence with the plurality of pixels and a light-blocking area that demarcates the plurality of opening areas; providing a dam material such that the dam material encloses the display area; dripping a filler material to an area enclosed by the dam material; and attaching the first substrate and the second substrate to each other, and fusing together dripped portions of the filler material, thereby bonding the both substrates to each other. The both substrates are attached to each other while being positionally aligned such that borders between the dripped portions of the filler material that is generated by the fusion are located in an area corresponding to the light-blocking area.
Abstract translation: 一种方法包括：在第一衬底中形成其中排列包括有机EL发光层的多个像素的显示区域; 在第二基板中形成分别对应于所述多个像素的多个开口区域和划分所述多个开口区域的遮光区域; 提供坝材料，使得坝体材料包围显示区域; 将填料滴入由坝材料包围的区域; 并且将第一基板和第二基板彼此附接，并将填充材料的滴落部分熔合在一起，从而将两个基板彼此粘合。 两个基板在位置对准的同时彼此连接，使得通过熔融产生的填充材料的滴落部分之间的边界位于对应于遮光区域的区域中。
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公开(公告)号：US10916597B2
公开(公告)日：2021-02-09
申请号：US16238550
申请日：2019-01-03
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata
Abstract: A display device according to an embodiment of the present invention includes: a flexible substrate having a plurality of pixels, each of the plurality of pixels comprising a display element, the plurality of pixels being arranged in a display area; and an at least one actuator which is provided so as to fit a backside of the substrate and bends the substrate, wherein the at least one actuator is provided with a layer to shift from a flexible state to a state to have a predetermined shape and vice versa by being driven electrically, and the at least one actuator does not overlap the display element in a plan view.
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公开(公告)号：US09722203B2
公开(公告)日：2017-08-01
申请号：US14809713
申请日：2015-07-27
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata
IPC: H01L51/52
CPC classification number: H01L51/524
Abstract: A display device includes a first substrate, a light emitting element located on the first substrate and including a pair of electrodes and one organic layer or a plurality of organic layers located between the pair of electrodes, a second substrate located to face the first substrate, a third substrate located on a surface of the second substrate opposite to a surface thereof facing the light emitting element, and a tacky layer located between the second substrate and the third substrate, a tack strength between the tacky layer and the second substrate or the third substrate being weaker than an adhesive strength between one of the pair of electrodes and the one organic layer or an adhesive strength between the plurality of organic layers.
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Patent Agency Ranking
公开(公告)号：US10031372B2
公开(公告)日：2018-07-24
申请号：US14709529
申请日：2015-05-12
Inventor： Takahiro Ochiai , Tohru Sasaki , Tetsuya Nagata
IPC: G02F1/1339 , G02F1/1362 , G02F1/1368 , G02F1/1343 , G02F1/1341 , G02F1/136
Abstract: A column for defining the interval between a TFT substrate and an opposed substrate is formed at a crossing point between a drain line and a scanning line. At the crossing point where the column is formed, the drain line is formed to have a wider width to prevent light leakage. Further, at the crossing point where the column is formed, the scanning line is formed to have a narrower width to prevent increase of capacitance between the drain line and the scanning line. The column is formed at a crossing point corresponding to a specific color, e.g., a blue pixel B, so that a difference in transmittance and in characteristic of thin film transistors due to formation of the column is initially compensated.
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公开(公告)号：US09356254B2
公开(公告)日：2016-05-31
申请号：US14574762
申请日：2014-12-18
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata , Takumi Kuji
CPC classification number: H01L51/5253 , H01L27/3213 , H01L51/524 , H01L51/5246 , H01L51/5284 , H01L51/56 , H01L2251/301
Abstract: A method includes: forming, in a first substrate, a display area in which a plurality of pixels including an organic EL light-emitting layer are arrayed; forming, in a second substrate, a plurality of opening areas respectively located in correspondence with the plurality of pixels and a light-blocking area that demarcates the plurality of opening areas; providing a dam material such that the dam material encloses the display area; dripping a filler material to an area enclosed by the dam material; and attaching the first substrate and the second substrate to each other, and fusing together dripped portions of the filler material, thereby bonding the both substrates to each other. The both substrates are attached to each other while being positionally aligned such that borders between the dripped portions of the filler material that is generated by the fusion are located in an area corresponding to the light-blocking area.
Abstract translation: 一种方法包括：在第一衬底中形成其中排列包括有机EL发光层的多个像素的显示区域; 在第二基板中形成分别对应于所述多个像素的多个开口区域和划分所述多个开口区域的遮光区域; 提供坝材料，使得坝体材料包围显示区域; 将填料滴入由坝材料包围的区域; 并且将第一基板和第二基板彼此附接，并将填充材料的滴落部分熔合在一起，从而将两个基板彼此粘合。 两个基板在位置对准的同时彼此连接，使得通过熔融产生的填充材料的滴落部分之间的边界位于对应于遮光区域的区域中。
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公开(公告)号：US09349985B2
公开(公告)日：2016-05-24
申请号：US14071949
申请日：2013-11-05
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato , Tetsuya Nagata , Tohru Sasaki
IPC: H01L27/15 , H01L27/12 , H01L51/52 , G02F1/1339 , H01L27/32
CPC classification number: H01L51/5246 , G02F1/1339 , H01L27/15 , H01L27/322 , H01L27/3244 , H01L27/3276 , H01L51/52 , H01L51/525
Abstract: A display device includes a circuit substrate that is formed of a plurality of layers including a light control element; a counter substrate that faces a surface of the circuit substrate on which the light control element is disposed, with a gap therebetween; a seal that is disposed between the circuit substrate and the counter substrate to surround the light control element; and a filler with which a sealed space surrounded by at least the circuit substrate, the counter substrate, and a sealing surface of the seal is filled. The sealing surface includes internal angle corner surfaces formed by an inner surface of the seal, and a convex surface formed adjacent to the corner surfaces from at least one of the circuit substrate, the counter substrate, and the seal.
Abstract translation: 显示装置包括由包括光控制元件的多个层形成的电路基板; 相对基板，其面对设置有所述光控制元件的所述电路基板的表面，其间具有间隙; 设置在所述电路基板和所述对置基板之间以包围所述光控制元件的密封件; 以及填充物，填充有由至少电路基板，对置基板和密封件的密封面包围的密封空间。 所述密封面包括由所述密封件的内表面形成的内角角面以及从所述电路基板，所述对置基板和所述密封件中的至少一个形成在所述角面附近的凸面。
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公开(公告)号：US09065021B2
公开(公告)日：2015-06-23
申请号：US14016396
申请日：2013-09-03
Applicant: Japan Display Inc.
Inventor： Tetsuya Nagata , Tohru Sasaki , Yoshinori Ishii
CPC classification number: H01L33/48 , H01L27/32 , H01L51/5246
Abstract: A space between a lower substrate and an upper substrate including an organic EL light-emitting layer which includes a display region for displaying an image is filled by a dam material which is applied to enclose an exterior edge of the display region and a filling material which is dripped into the interior side of the dam material. The dam material is an epoxy resin with a comparatively high viscosity before hardening and the filling material is an epoxy resin with a comparatively low viscosity before hardening. A substrate concave part is formed between the display region on a surface of the lower substrate and a coating region of the dam material.
Abstract translation: 包括用于显示图像的显示区域的包括有机EL发光层的下基板和上基板之间的空间由施加以包围显示区域的外边缘的阻挡材料填充，填充材料 被滴入坝体材料的内侧。 坝材料是硬化前具有较高粘度的环氧树脂，填充材料是硬化前粘度相对较低的环氧树脂。 在下基板的表面的显示区域和坝材的涂布区域之间形成基板凹部。
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公开(公告)号：US10423034B2
公开(公告)日：2019-09-24
申请号：US16019937
申请日：2018-06-27
Inventor： Takahiro Ochiai , Tohru Sasaki , Tetsuya Nagata
IPC: G02F1/1339 , G02F1/1362 , G02F1/1368 , G02F1/1343 , G02F1/1341 , G02F1/136
Abstract: A column for defining the interval between a TFT substrate and an opposed substrate is formed at a crossing point between a drain line and a scanning line. At the crossing point where the column is formed, the drain line is formed to have a wider width to prevent light leakage. Further, at the crossing point where the column is formed, the scanning line is formed to have a narrower width to prevent increase of capacitance between the drain line and the scanning line. The column is formed at a crossing point corresponding to a specific color, e.g., a blue pixel B, so that a difference in transmittance and in characteristic of thin film transistors due to formation of the column is initially compensated.
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