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公开(公告)号：US20130265512A1
公开(公告)日：2013-10-10
申请号：US13899765
申请日：2013-05-22
Inventor： Tetsuya Oshima , Hirotaka Imayama , Yasuhisa Shiraishi , Yoshiharu Nagae
IPC: G02F1/1335
CPC classification number: G02F1/133606 , G02B6/0038 , G02B6/0053 , G02F1/133615
Abstract: A lighting device including a light source, a light guide plate, a first prism sheet which is arranged over the light guide plate, and a second prism sheet which is arranged between the first prism sheet and the light guide plate. The first prism sheet includes first prisms which are formed parallel to each other in the first direction on a first surface which is opposite to the second prism sheet, and the second prism sheet includes second prisms.
Abstract translation: 一种照明装置，包括光源，导光板，布置在导光板上的第一棱镜片和布置在第一棱镜片和导光板之间的第二棱镜片。 第一棱镜片包括在与第二棱镜片相对的第一表面上沿第一方向彼此平行地形成的第一棱镜，并且第二棱镜片包括第二棱镜。
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公开(公告)号：US08767146B2
公开(公告)日：2014-07-01
申请号：US13870561
申请日：2013-04-25
Inventor： Koichi Fukuda , Tetsuya Oshima , Satoru Kawasaki
IPC: G02F1/1335
CPC classification number: G02F1/133528 , G02B5/3025 , G02F2201/50
Abstract: A display device is provided which includes a lower substrate and an upper substrate. An inner surface of the lower substrate and an inner surface of the upper surface face each other. A polarizing plate is disposed on an outer surface of the upper substrate, wherein the polarizing plate includes at least an inside protective film, a polarizing film and an outside protective film, which are layered on the upper substrate side in this order so that the inside protective film is adjacent to the upper substrate. An expansion axis of the outside protective film forms an angle of 30° or more and 90° or less with an expansion axis of the polarizing film, and an expansion axis of the inside protective film forms an angle of 0° or more and 3° or less with an expansion axis of the polarizing film.
Abstract translation: 提供了一种显示装置，其包括下基板和上基板。 下基板的内表面和上表面的内表面彼此面对。 偏振板设置在上基板的外表面上，其中偏振片至少包括内保护膜，偏振膜和外保护膜，它们按顺序层叠在上基板侧上，使得内侧 保护膜与上基板相邻。 外侧保护膜的伸出轴与偏振膜的伸展轴成30°以上且90°以下的角度，内部保护膜的伸长轴形成0°以上3°以下的角度 以下的偏振片的扩展轴。
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公开(公告)号：US08749731B2
公开(公告)日：2014-06-10
申请号：US13899765
申请日：2013-05-22
Inventor： Tetsuya Oshima , Hirotaka Imayama , Yasuhisa Shiraishi , Yoshiharu Nagae
IPC: G02F1/13357 , F21V8/00
CPC classification number: G02F1/133606 , G02B6/0038 , G02B6/0053 , G02F1/133615
Abstract: A lighting device including a light source, a light guide plate, a first prism sheet which is arranged over the light guide plate, and a second prism sheet which is arranged between the first prism sheet and the light guide plate. The first prism sheet includes first prisms which are formed parallel to each other in the first direction on a first surface which is opposite to the second prism sheet, and the second prism sheet includes second prisms.
Abstract translation: 一种照明装置，包括光源，导光板，布置在导光板上的第一棱镜片和布置在第一棱镜片和导光板之间的第二棱镜片。 第一棱镜片包括在与第二棱镜片相对的第一表面上沿第一方向彼此平行地形成的第一棱镜，并且第二棱镜片包括第二棱镜。
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公开(公告)号：US10324249B2
公开(公告)日：2019-06-18
申请号：US15245651
申请日：2016-08-24
Applicant: Japan Display Inc.
Inventor： Tetsuya Oshima , Masaki Nishikawa , Yasuhisa Shiraishi
IPC: F21V8/00 , G02B6/00 , G02F1/1335
Abstract: A display device includes a prism sheet between a display cell and a light guiding plate. The prism sheet includes a plurality of prisms having a constant apex angle continuously arranged in a second direction on a surface thereof opposed to a light-exiting surface of the light guiding plate. Each of ridge lines of the prisms extends in a first direction. Each prism has a first inclined face on a side on which light from the light guiding plate is incident and a second inclined face on a side reflecting the incident light. An area of the first inclined face is made smaller than an area of the second inclined face, and an area of a light-emitting region in the prism sheet is made larger than an area of a non-light-emitting region.
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