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公开(公告)号：US20180301665A1
公开(公告)日：2018-10-18
申请号：US15953528
申请日：2018-04-16
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO
Abstract: A display device according to an embodiment of the present invention includes: a substrate; an organic light-emitting diode provided for each pixel on the substrate; an insulating layer that is formed along a boundary of the pixel and has an opening portion in a light-emitting region of the pixel; a first refractive index layer; and a second refractive index layer. The first refractive index layer is disposed on the insulating layer and the organic light-emitting diode, is made of a material having a first refractive index, and has a first recessed portion overlapping with a formation region of the insulating layer in plan view. The second refractive index layer is disposed inside the first recessed portion and is made of a material having a second refractive index lower than the first refractive index.
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公开(公告)号：US20180198084A1
公开(公告)日：2018-07-12
申请号：US15848096
申请日：2017-12-20
Applicant: Japan Display Inc.
Inventor： Yasukazu KIMURA , Shigeru SAKAMOTO
Abstract: A display device includes a thin film transistor; a first organic insulating film covering the thin film transistor and containing a resin material; an inorganic insulating film on the first organic insulating film; a pixel electrode electrically connected with the thin film transistor; a second organic insulating film covering an end of the pixel electrode and exposing a top surface of the pixel electrode; and an organic layer provided on the top surface of the pixel electrode and including a light emitting layer. As seen in a plan view, the inorganic insulating film has an opening, overlapping the second organic insulating film, at a position not overlapping an opening provided in the first organic insulating film. The first and second organic insulating films face each other in the opening in the inorganic insulating film, with an oxide conductive film being between the first and second organic insulating films.
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公开(公告)号：US20170077448A1
公开(公告)日：2017-03-16
申请号：US15260372
申请日：2016-09-09
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO , Toshihiro SATO
CPC classification number: H01L51/5253 , H01L27/322 , H01L27/3246 , H01L27/3248 , H01L27/3265 , H01L51/5203 , H01L51/5218 , H01L51/5234 , H01L51/5237 , H01L51/5275 , H01L2251/5315
Abstract: A display device includes: pixel electrodes corresponding to pixels; an insulating layer provided so as to overlie peripheral edge portions of the pixel electrodes; a light-emitting layer provided so as to be stacked on and in contact with each of the pixel electrodes; a first common electrode stacked on the light-emitting layer so as to be in contact therewith and provided so as to overlie the insulating layer; a light transmissive layer stacked on the first common electrode above the pixel electrodes, the light transmissive layer avoiding stacking thereof on the first common electrode above the insulating layer; and a second common electrode stacked on the light transmissive layer above the pixel electrodes and stacked on the first common electrode so as to be in contact therewith above the insulating layer.
Abstract translation: 显示装置包括：对应于像素的像素电极; 绝缘层，设置成覆盖像素电极的外围边缘部分; 发光层，被设置为与每个像素电极层叠并接触; 第一公共电极，堆叠在发光层上以与其接触并设置成覆盖绝缘层; 透光层，堆叠在像素电极上方的第一公共电极上，透光层避免在绝缘层上方的第一公共电极上堆叠; 以及第二公共电极，堆叠在所述像素电极上方的所述透光层上并堆叠在所述第一公共电极上，以在所述绝缘层上方与其接触。
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公开(公告)号：US20160322437A1
公开(公告)日：2016-11-03
申请号：US15139426
申请日：2016-04-27
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO , Masakazu Gunji , Toshihiro Sato
CPC classification number: H01L27/3246 , H01L51/5209
Abstract: A display device includes a plurality of pixels on a substrate including an insulating surface. Each of the plurality of pixels includes: a transistor above the insulating surface; a planarization film covering the transistor; a pixel electrode above the planarization film and electrically connected with the transistor; an insulating layer filled in a recess located around the pixel electrode between the pixels adjacent to each other; a light-emitting layer covering a surface of the pixel electrode and at least a part of a surface of the insulating layer; and a counter electrode above the light-emitting layer. A distance between a surface of the substrate and a face of the light-emitting layer in contact with the insulating layer is equal to or smaller than a distance between the surface of the substrate and a face of the light-emitting layer in contact with the pixel electrode.
Abstract translation: 显示装置包括在包括绝缘表面的基板上的多个像素。 多个像素中的每一个包括：在绝缘表面上方的晶体管; 覆盖晶体管的平坦化膜; 平坦化膜上方的像素电极并与晶体管电连接; 填充在彼此相邻的像素之间的位于像素电极周围的凹部中的绝缘层; 覆盖所述像素电极的表面和所述绝缘层的表面的至少一部分的发光层; 和在发光层上方的对置电极。 基板的表面与与绝缘层接触的发光层的表面之间的距离等于或小于基板的表面与与该基板的接触的发光层的表面之间的距离 像素电极。
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公开(公告)号：US20170279084A1
公开(公告)日：2017-09-28
申请号：US15450316
申请日：2017-03-06
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO , Hajime AKIMOTO
Abstract: A display device includes a first substrate, a coloring layer formed on the first substrate, a transparent insulating layer having a first refractive index formed on the coloring layer, a first transparent electrode having a higher second refractive index than the first refractive index formed on the transparent insulating layer, an organic layer having a light emitting layer formed on the first transparent electrode, and a second transparent electrode formed on the organic layer.
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Patent Agency Ranking
公开(公告)号：US20180012945A1
公开(公告)日：2018-01-11
申请号：US15635668
申请日：2017-06-28
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO
CPC classification number: H01L27/3246 , H01L51/5234 , H01L51/5256 , H01L51/5275 , H01L2251/5315
Abstract: To provide a display device including a pixel electrode formed on an insulating surface; a bank covering an end portion of the pixel electrode and having an opening formed therein in which the upper surface of the pixel electrode is exposed; an organic layer containing a light emitting layer and formed covering the opening; and an opposed electrode formed on the organic layer and the bank. The bank has a first layer formed on an end portion of the pixel electrode and the insulating surface, and a second layer formed on the first layer. The refractive index of the material forming the first layer is less than the refractive index of the material forming the second layer.
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公开(公告)号：US20180006267A1
公开(公告)日：2018-01-04
申请号：US15635389
申请日：2017-06-28
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO
CPC classification number: H01L51/5246 , H01L27/3246 , H01L27/326 , H01L27/3276 , H01L51/0097
Abstract: A display device includes a display region having a plurality of pixels, each of the plurality of pixels including a pixel electrode formed on an insulating surface, the plurality of pixels being arranged in a matrix shape, a bank covering an end of the pixel electrode, an organic layer including a light emitting layer covering respective light emitting regions on the pixel electrodes, an opposite electrode on the organic layer and the bank, and a first inorganic insulating layer on the opposite electrode, wherein each of the opposite electrode and the first inorganic insulating layer has a discontinuous region between the two adjacent light emitting regions.
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公开(公告)号：US20160276421A1
公开(公告)日：2016-09-22
申请号：US15063793
申请日：2016-03-08
Applicant: Japan Display Inc.
Inventor： HaoChun LEE , Toshihiro SATO , Masaya ADACHI , Shigeru SAKAMOTO
CPC classification number: H01L51/5284 , H01L27/3213 , H01L27/3218 , H01L27/322 , H01L27/3244 , H01L27/3246 , H01L27/3248 , H01L27/326 , H01L27/3272 , H01L29/78633 , H01L33/58 , H01L51/524 , H01L2924/12041
Abstract: A display device includes a plurality of pixels each including a light emitting region; and a light blocking layer provided on a side of the plurality of pixels on which light is output. In each of the plurality pixels, the light blocking layer has a plurality of openings allowing light from the light emitting region to be output. In one embodiment, in the light blocking layer, the openings adjacent to each other may be located line-symmetrically. In one embodiment, in the light blocking layer, the openings adjacent to each other may be located point-symmetrically.
Abstract translation: 显示装置包括多个像素，每个像素包括发光区域; 以及设置在输出光的多个像素的一侧上的遮光层。 在多个像素中的每一个中，遮光层具有允许来自发光区域的光的多个开口。 在一个实施例中，在遮光层中，彼此相邻的开口可以线对称地定位。 在一个实施例中，在遮光层中，彼此相邻的开口可以位于对称的位置。
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公开(公告)号：US20160268358A1
公开(公告)日：2016-09-15
申请号：US15059085
申请日：2016-03-02
Applicant: Japan Display Inc.
Inventor： Ryoichi ITO , Toshihiro SATO , Shigeru SAKAMOTO
CPC classification number: H01L51/5271 , H01L27/3246 , H01L27/3258 , H01L51/5218 , H01L2251/5315
Abstract: A display device includes a substrate; a transistor provided on the substrate; a first insulating film provided on the substrate and the transistor; a second insulating film provided on the first insulating film; an individual pixel electrode provided on the second insulating film; a light emitting layer provided on the individual pixel electrode; a common electrode provided on the light emitting layer; and a contact hole running through the first insulating film and the second insulating film and connecting a source or a drain of the transistor with the pixel electrode. The second insulating film has at least one recessed portion reaching the first insulating film; and the individual pixel electrode is provided along a top surface of the second insulating film and the first recessed portion.
Abstract translation: 显示装置包括基板; 设置在基板上的晶体管; 设置在所述基板和所述晶体管上的第一绝缘膜; 设置在所述第一绝缘膜上的第二绝缘膜; 设置在第二绝缘膜上的单个像素电极; 设置在各个像素电极上的发光层; 设置在发光层上的公共电极; 以及穿过所述第一绝缘膜和所述第二绝缘膜并且将所述晶体管的源极或漏极与所述像素电极连接的接触孔。 第二绝缘膜具有到达第一绝缘膜的至少一个凹部; 并且沿着第二绝缘膜和第一凹部的顶表面设置单个像素电极。
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公开(公告)号：US20190097158A1
公开(公告)日：2019-03-28
申请号：US16143685
申请日：2018-09-27
Applicant: Japan Display Inc.
Inventor： Shigeru SAKAMOTO
CPC classification number: H01L51/5036 , H01L27/124 , H01L27/3258 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5096 , H01L51/5206 , H01L51/5221 , H01L51/5271
Abstract: A display device includes an organic electroluminescence layer including a plurality of emission layers respectively emitting light of a plurality of colors, and a reflective layer configured to reflect the light emitted from the emission layers. A shortest optical path length between the emission layers and the reflective layer is longer than at least three times of a wavelength of blue light.
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