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公开(公告)号：US20150168755A1
公开(公告)日：2015-06-18
申请号：US14625519
申请日：2015-02-18
Applicant: Japan Display Inc. , Panasonic Liquid Crystal Co., Ltd.
Inventor： Chikae MATSUI , Hidehiro SONODA , Noboru KUNIMATSU
IPC: G02F1/1339 , G02F1/1343 , G02F1/1335 , G02F1/1368 , G02F1/1337
CPC classification number: G02F1/1339 , G02F1/133512 , G02F1/133514 , G02F1/1337 , G02F1/134363 , G02F1/1368 , G02F2001/133519
Abstract: In a liquid crystal display device, a light shielding film, a color filter, an overcoat film, and an alignment film are formed in this order on a counter substrate. However, the alignment film is not formed in a seal portion. When the alignment film is subjected to photo-alignment with ultraviolet radiation, a portion of the overcoat film not covered with the alignment film is degraded by ultraviolet radiation. In order to prevent moisture penetrating from the degraded overcoat film from reaching the light shielding film to thereby alter the light shielding film and from causing the peeling of the light shielding film, the color filter is disposed below the overcoat film to block the moisture.
Abstract translation: 在液晶显示装置中，在对置基板上依次形成遮光膜，滤色器，外涂膜和取向膜。 然而，取向膜不形成在密封部中。 当利用紫外线照射取向膜时，未被取向膜覆盖的外涂层的一部分被紫外线照射而劣化。 为了防止从劣化的外涂膜渗透的水分到达遮光膜，从而改变遮光膜，并且不会引起遮光膜的剥离，滤色器设置在外涂膜的下方以阻挡水分。
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公开(公告)号：US20210041749A1
公开(公告)日：2021-02-11
申请号：US17078628
申请日：2020-10-23
Inventor： Chikae MATSUI , Noboru KUNIMATSU , Hidehiro SONODA
IPC: G02F1/1337 , C09K19/56 , G02F1/1343
Abstract: An alignment film is given a 2-layer structure comprising a photoalignment film that is photoalignable and a low-resistivity alignment film whose resistivity is smaller than that of the photoalignment film. The photoalignment film is formed by a polyimide whose precursor is polyamide acid alkyl ester, the number molecular weight of the photoalignment film is large, and the stability of alignment of the photoalignment film by photoalignment is excellent. The low-resistivity alignment film is formed by a polyimide whose precursor is polyamide acid, the number molecular weight of the low-resistivity alignment film is small, and the resistivity of the low-resistivity alignment film is small. The 2-layer structure alignment film can be maintaining an excellent photoalignment characteristic, so DC afterimages can be controlled.
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公开(公告)号：US20200249533A1
公开(公告)日：2020-08-06
申请号：US16855023
申请日：2020-04-22
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU
IPC: G02F1/1337 , G02F1/1362 , G02F1/1343 , G02F1/1335 , G02F1/1368 , G02F1/1339 , G02F1/1333
Abstract: A liquid crystal display device includes a first substrate, a first alignment film formed over the first substrate, a second substrate, a second alignment film formed over the second substrate, a liquid crystal layer sandwiched between the first alignment film and the second alignment film, and a projecting portion formed over the second substrate. The first film is a photo alignment film, and a thickness “d2” of the second alignment film over the projecting portion and a film thickness “d1” of a portion of the first alignment film facing the projecting portion satisfy formula (2), d2
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公开(公告)号：US20200225543A1
公开(公告)日：2020-07-16
申请号：US16828026
申请日：2020-03-24
Inventor： Shoichi UCHINO , Noboru KUNIMATSU , Hidehiro SONODA , Chikae MATSUI , Yuko MATSUMOTO , Tomio YAGUCHI , Toshiki KANEKO , Jun TANAKA
IPC: G02F1/1337
Abstract: Disclosed is a manufacturing method of a liquid crystal display device which is a manufacturing method of a liquid crystal display device including a liquid crystal alignment film to which an alignment regulating force is imparted by a photo-alignment treatment, including: a film forming step of forming a film containing a polymer whose main chain is cleaved by irradiation with light; a photo-alignment step of imparting an alignment regulating force to the film formed in the film forming step by irradiation of the film with light in an atmosphere of a temperature lower than 100° C.; and a removing step of removing a low-molecular weight component generated by cleaving the main chain of the polymer through the light irradiation after the light irradiation. Also disclosed is a liquid crystal display device manufactured by the manufacturing method.
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5.发明申请公开(公告)号：US20150015840A1
公开(公告)日：2015-01-15
申请号：US14325703
申请日：2014-07-08
Applicant: Japan Display Inc.
Inventor： Yasuo IMANISHI , Yosuke HYODO , Chikae MATSUI , Hidehiro SONODA , Noboru KUNIMATSU
IPC: G02F1/1337 , G02F1/1339
CPC classification number: G02F1/133723 , G02F1/133711 , G02F1/133788 , G02F1/1339 , G02F1/13394
Abstract: A liquid crystal display device includes a TFT substrate and a counter substrate on each of which an alignment film is formed and a liquid crystal interposed and held between the alignment films of the TFT and counter substrate, wherein the alignment film is made of a material capable of applying liquid crystal alignment regulation force by polarized light irradiation, a convex structure is formed on the TFT substrate or the counter substrate, and the alignment film is applied the liquid crystal alignment regulation force to a surface of a region ranging from the periphery of the convex structure to the vicinity of an inclined part of the convex structure and is not applied the liquid crystal alignment regulation force to a surface of the inclined part of the convex structure.
Abstract translation: 液晶显示装置包括TFT基板和对置基板，每个基板上形成有取向膜，液晶插入并保持在TFT和对向基板的取向膜之间，其中取向膜由能够 通过偏振光照射施加液晶取向调节力，在TFT基板或对置基板上形成凸起结构，并且将取向膜作为液晶取向调节力施加到从 凸结构到凸结构的倾斜部分附近，并且不将液晶取向调节力施加到凸结构的倾斜部分的表面。
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Patent Agency Ranking
公开(公告)号：US20140125905A1
公开(公告)日：2014-05-08
申请号：US14065455
申请日：2013-10-29
Applicant: Japan Display Inc.
Inventor： Chikae MATSUI , Yasushi TOMIOKA , Takato HIRATSUKA
IPC: G02F1/1368
CPC classification number: G02F1/133377 , G02F1/13394 , G02F1/134363
Abstract: A liquid crystal display device includes a liquid crystal composition, a thin film transistor substrate as an insulation substrate on which a thin film transistor for controlling the orientation of the liquid crystal composition is provided, and a color filter substrate which seals the liquid crystal composition between itself and the thin film transistor substrate and controls a wavelength region of the transmitted light. The thin film transistor substrate includes a projection part extending from the thin film transistor substrate to the color filter substrate side, and a wall-like electrode on a wall surface of the projection part, which is one electrode for controlling the orientation of the liquid crystal composition. An insulation film and an orientation film are sequentially laminated on the wall-like electrode continuously from a surface parallel to a substrate surface.
Abstract translation: 液晶显示装置包括：液晶组合物，作为绝缘基板的薄膜晶体管基板，设置有用于控制液晶组合物的取向的薄膜晶体管;以及滤色器基板，其将液晶组成物 本身和薄膜晶体管衬底，并控制透射光的波长区域。 薄膜晶体管基板包括从薄膜晶体管基板延伸到滤色器基板侧的突出部分和在突出部分的壁表面上的壁状电极，该电极是用于控制液晶的取向的一个电极 组成。 绝缘膜和取向膜从平行于基板表面的表面连续地层叠在壁状电极上。
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公开(公告)号：US20140104554A1
公开(公告)日：2014-04-17
申请号：US14107028
申请日：2013-12-16
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU , Yuko MATSUMOTO
IPC: G02F1/1337
CPC classification number: G02F1/1337 , G02F1/133345 , G02F1/133514 , G02F1/133788 , G02F1/134363 , G02F1/13439
Abstract: A liquid crystal display device has a liquid crystal display panel including pixels each having an active device, a pixel electrode, a common electrode and a liquid crystal layer arranged in a dot matrix array. The liquid crystal display panel has a first substrate, a second substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The first substrate has the active device, the pixel electrode, the common electrode and a first alignment film. The second substrate has a second alignment film. The first alignment film and the second alignment film are respectively a photo alignment film formed by irradiating a photo decomposition type insulating film with light. The second alignment film has a thickness of at least 10 nm and no greater 50 nm and is thinner than the first alignment film.
Abstract translation: 液晶显示装置具有液晶显示面板，其具有各自具有排列成点阵列的有源器件，像素电极，公共电极和液晶层的像素。 液晶显示面板具有第一基板，第二基板和设置在第一基板和第二基板之间的液晶层。 第一基板具有有源器件，像素电极，公共电极和第一取向膜。 第二基板具有第二取向膜。 第一取向膜和第二取向膜分别是通过用光照射光分解型绝缘膜而形成的光取向膜。 第二取向膜的厚度为至少10nm且不大于50nm，并且比第一取向膜薄。
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公开(公告)号：US20200278573A1
公开(公告)日：2020-09-03
申请号：US16876786
申请日：2020-05-18
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU
IPC: G02F1/1339 , G02F1/1362 , G02F1/1333 , G02F1/1337 , G02F1/1343 , G02F1/1368
Abstract: A liquid crystal display device includes a TFT substrate and a counter substrate and a liquid crystal layer sandwiched therebetween. A scanning line, a video signal line, a thin film transistor connected to the scanning line and the video signal line, a pixel electrode connected to the thin film transistor, and a counter electrode are formed on the TFT substrate, and a columnar spacer formed on the counter substrate. The pixel and counter electrodes are transparent, and the liquid crystal layer is controlled by an electric field generated between the pixel and counter electrodes. The counter electrode contacts with a metal line having a first part which is extended in parallel with the scanning line and a second part which is extended in parallel with the video signal line, a width of the first part of the metal line being narrower than a width of the scanning line.
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公开(公告)号：US20190121188A1
公开(公告)日：2019-04-25
申请号：US16223201
申请日：2018-12-18
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU
IPC: G02F1/1339 , G02F1/1333 , G02F1/1368 , G02F1/1362 , G02F1/1337 , G02F1/1343
CPC classification number: G02F1/13394 , G02F1/133305 , G02F1/133345 , G02F1/1337 , G02F1/134363 , G02F1/13439 , G02F1/136286 , G02F1/1368 , G02F2001/13398
Abstract: A liquid crystal display device includes a TFT substrate and a counter substrate and a liquid crystal layer sandwiched therebetween. A scanning line, a video signal line, a thin film transistor connected to the scanning line and the video signal line, a pixel electrode connected to the thin film transistor, and a counter electrode are formed on the TFT substrate, and a columnar spacer formed on the counter substrate. The pixel and counter electrodes are transparent, and the liquid crystal layer is controlled by an electric field generated between the pixel and counter electrodes. The counter electrode contacts with a metal line having a first part which is extended in parallel with the scanning line and a second part which is extended in parallel with the video signal line a width of the first part of the metal line being narrower than a width of the scanning line.
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公开(公告)号：US20160291416A1
公开(公告)日：2016-10-06
申请号：US15180163
申请日：2016-06-13
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU
IPC: G02F1/1337 , G02F1/1368 , G02F1/1339 , G02F1/1343 , G02F1/1333 , G02F1/1335
CPC classification number: G02F1/133711 , G02F1/133345 , G02F1/133514 , G02F1/1337 , G02F1/133719 , G02F1/133723 , G02F1/133788 , G02F1/1339 , G02F1/13394 , G02F1/134309 , G02F1/13439 , G02F1/136286 , G02F1/1368 , G02F2001/133519 , G02F2201/121 , G02F2201/123
Abstract: A liquid crystal display device includes a first substrate, a first alignment film formed over the first substrate, a second substrate, a second alignment film formed over the second substrate, a liquid crystal layer sandwiched between the first alignment film and the second alignment film, and a projecting portion formed over the second substrate. The first alignment film is a photo alignment film, and a thickness “d2” of the second alignment film over the projecting portion and a film thickness “d1” of a portion of the first alignment film facing the projecting portion satisfy formula (1) and (2): 0 nm
Abstract translation: 提供了可以减少或消除显示缺陷的液晶显示装置。 液晶显示装置包括形成在一对基板中的一个基板上的第一取向膜; 形成在所述一对基板的另一个上的第二取向膜; 第一突出部，其设置在第一取向膜上，并由构成第一取向膜下方的层的第一构成构件突出到液晶层; 和设置在第二取向膜上的第二突出部分，面对第一突出部分，并由构成第二取向膜下方的层的第二构成部件突出到液晶层中，第一突出部分设定为比第二突出部分低 突出部分，并且第一突出部分的上表面的面积被设定为小于第二突出部分的上表面的面积。 第一取向膜由光分解型取向膜材料制成。
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