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公开(公告)号：US20180039140A1
公开(公告)日：2018-02-08
申请号：US15719706
申请日：2017-09-29
Inventor： Hidehiro Sonoda , Chikae Matsui , Noboru Kunimatsu
IPC: G02F1/1337 , G02F1/1335 , G02F1/1333 , G02F1/1362 , G02F1/1343 , G02F1/1339 , G02F1/1368
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 (2), d2
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公开(公告)号：US09864235B2
公开(公告)日：2018-01-09
申请号：US15284864
申请日：2016-10-04
Applicant: Japan Display Inc.
Inventor： Noboru Kunimatsu , Masaki Matsumori , Hidehiro Sonoda , Yasushi Tomioka , Toshiki Kaneko
IPC: G02F1/1337 , G02F1/1339 , G02F1/1333 , G02F1/1362 , G02F1/1368
CPC classification number: G02F1/1337 , G02F1/1333 , G02F1/133345 , G02F1/133723 , G02F1/13378 , G02F1/133788 , G02F1/1339 , G02F1/13394 , G02F1/136286 , G02F1/1368
Abstract: The present invention prevents the shaving of an alignment film caused by a columnar spacer in a liquid crystal display device of an IPS method using photo-alignment. A plinth higher than a pixel electrode is formed at a part where a columnar spacer formed over a counter substrate touches a TFT substrate. When an alignment film of a double-layered structure is applied over the pixel electrode and the plinth, the thickness of the alignment film over the plinth reduces by a leveling effect. When photo-alignment is applied in the state, a photodegraded upper alignment film over the plinth disappears and a lower alignment film having a high mechanical strength remains. As a result, it is possible to prevent the shaving of the alignment film.
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公开(公告)号：US09581864B2
公开(公告)日：2017-02-28
申请号：US15180163
申请日：2016-06-13
Inventor： Hidehiro Sonoda , Chikae Matsui , Noboru Kunimatsu
IPC: G02F1/1337 , G02F1/1339 , G02F1/1333 , G02F1/1343 , G02F1/1368 , 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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公开(公告)号：US09304362B2
公开(公告)日：2016-04-05
申请号：US13964133
申请日：2013-08-12
Applicant: Japan Display Inc.
Inventor： Chikae Matsui , Masanao Yamamoto , Noboru Kunimatsu , Hidehiro Sonoda
IPC: G02F1/1343 , G02F1/1333 , G02F1/136 , G02F1/1362
CPC classification number: G02F1/134309 , G02F1/1333 , G02F1/136 , G02F2001/133397 , G02F2001/134372 , G02F2001/136222
Abstract: In a liquid crystal display device including: TFT substrate; color filter; counter electrode; interlayer insulation film; pixel electrode; alignment film; liquid crystal layer; counter substrate; and Si semiconductor layer. The color filter, counter electrode, interlayer insulation film, pixel electrode, and alignment film being formed on the side where the TFT substrate is provided, the counter substrate being disposed in facing relation to the TFT substrate with the liquid crystal layer put between the counter substrate and TFT substrate, the Si semiconductor layer is formed between the pixel electrode and interlayer insulation film. Even when light from a backlight is absorbed by the color filter and sufficient light cannot reach the alignment film, electric charges accumulated on the alignment film can escape to the pixel electrode in an early stage by the Si semiconductor layer formed under the alignment film, thereby capable of erasing the afterimage in an early stage.
Abstract translation: 一种液晶显示装置，包括：TFT基板; 滤色片; 对电极 层间绝缘膜; 像素电极; 取向膜; 液晶层; 对衬底 和Si半导体层。 在设置有TFT基板的一侧形成有滤色器，对电极，层间绝缘膜，像素电极和取向膜，对置基板与TFT基板相对配置，液晶层位于计数器之间 衬底和TFT衬底，在像素电极和层间绝缘膜之间形成Si半导体层。 即使当来自背光源的光被滤色器吸收并且足够的光不能到达取向膜时，积累在取向膜上的电荷可以通过在取向膜下面形成的Si半导体层在早期阶段中逸出到像素电极，从而 能够在早期消除残像。
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公开(公告)号：US09188811B2
公开(公告)日：2015-11-17
申请号：US13943151
申请日：2013-07-16
Inventor： Chikae Matsui , Noboru Kunimatsu , Hidehiro Sonoda
IPC: C09K19/00 , G02F1/1337 , G02F1/1333
CPC classification number: G02F1/133723 , B32B2457/202 , C09K19/56 , G02F1/133788 , G02F1/134363 , G02F1/13439 , G02F2001/133397 , Y10T428/10 , Y10T428/1018 , Y10T428/1023 , Y10T428/105
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.
Abstract translation: 对准膜具有2层结构，其包含可光可标定的光取向膜和电阻率小于光取向膜的低电阻率取向膜。 光电子对准膜由其前体为聚酰胺酸烷基酯的聚酰亚胺形成，光电子对准膜的数量分子量大，光取向膜的取向稳定性优异。 低电阻率取向膜由前体为聚酰胺酸的聚酰亚胺形成，低电阻率取向膜的数均分子量小，低电阻率取向膜的电阻率小。 2层结构取向膜可以保持优异的光取向特性，因此可以控制DC残影。
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Patent Agency Ranking
86.发明授权公开(公告)号：US09182634B2
公开(公告)日：2015-11-10
申请号：US14532591
申请日：2014-11-04
Applicant: Japan Display Inc.
Inventor： Yosuke Hyodo , Koichi Igeta , Toshiki Kaneko , Noboru Kunimatsu , Hidehiro Sonoda
IPC: G02F1/1339 , G02F1/1337 , G02F1/1333 , G02F1/1368 , G02F1/1341
CPC classification number: G02F1/13394 , G02F1/133371 , G02F1/13378 , G02F1/1339 , G02F1/1341 , G02F1/1368 , G02F2001/13398 , G02F2001/13415 , G02F2201/50
Abstract: A display device includes a first substrate, a second substrate and liquid crystals therebetween, the first substrate having a flat portion, an alignment film, and a concavo-convex pedestal formed in a pixel region, wherein the concavo-convex pedestal having at least two convex portions and recessed portions, and the at least two convex portions of the concavo-convex pedestal are at a position lower than a position of the flat portion. A thickness of the alignment film on the convex portions is less than a thickness of the alignment film on the recessed portions, and a second substrate has a columnar spacer which contacts the at least two convex portions of the concavo-convex pedestal.
Abstract translation: 显示装置包括第一基板，第二基板和它们之间的液晶，第一基板具有平坦部分，取向膜和形成在像素区域中的凹凸基座，其中所述凹凸基座具有至少两个 凸部和凹部，凹凸台的至少两个凸部位于比平坦部的位置低的位置。 凸部上的取向膜的厚度小于凹部上的取向膜的厚度，第二基板具有与凹凸台的至少两个凸部接触的柱状间隔件。
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公开(公告)号：US20150049271A1
公开(公告)日：2015-02-19
申请号：US14527858
申请日：2014-10-30
Inventor： Shoichi Uchino , Noboru Kunimatsu , Hidehiro Sonoda , Chikae Matsui , Yuko Matsumoto , Masaki Matsumori , Yasushi Tomioka , Jun Tanaka
IPC: G02F1/1337
CPC classification number: G02F1/133723 , B32B2457/202 , C08G73/1064 , C08G73/1078 , Y10T428/10 , Y10T428/1005 , Y10T428/1023
Abstract: A liquid crystal display device includes: a pair of substrates at least one of which is transparent; a liquid crystal layer disposed between the pair of substrates; an electrode group formed on at least one substrate of the pair of substrates, for applying an electric field to the liquid crystal layer; a plurality of active elements connected to the electrode group; and a liquid crystal alignment film disposed on at least one substrate of the pair of substrates, in which the liquid crystal alignment film, which is formed by a photo-alignment process, contains polyimide formed using tetracarboxylic acid dianhydride and/or diamine each having a specific chemical structure.
Abstract translation: 液晶显示装置包括：至少一个透明的一对基板; 设置在所述一对基板之间的液晶层; 形成在所述一对基板的至少一个基板上的用于向所述液晶层施加电场的电极组; 连接到所述电极组的多个有源元件; 以及设置在该对基板的至少一个基板上的液晶取向膜，其中通过光取向工艺形成的液晶取向膜含有使用四羧酸二酐和/或二胺形成的聚酰亚胺，所述四羧酸二酐和/或二胺各自具有 具体化学结构。
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88.发明申请METHOD FOR FABRICATING A LIQUID CRYSTAL DISPLAY DEVICE COMPRISING AN ALIGNMENT FILM THAT INCLUDES A PHOTOLYTIC POLYMER AND A NON-PHOTOLYTIC POLYMER 审中-公开用于制造包含光聚合物和非光聚合物的对准膜的液晶显示装置的方法公开(公告)号：US20150011032A1
公开(公告)日：2015-01-08
申请号：US14493893
申请日：2014-09-23
Inventor： Noboru Kunimatsu , Chikae Matsui , Hidehiro Sonoda , Yuko Matsumoto , Shoichi Uchino , Masaki Matsumori , Yasushi Tomioka
IPC: G02F1/1337
CPC classification number: G02F1/133723 , C09K19/56 , G02F1/133711 , G02F1/133788 , G02F1/134363 , G02F1/1368 , H01L27/1262 , H01L27/1296 , Y10T428/10 , Y10T428/1005
Abstract: A method for fabricating a liquid crystal display device including a TFT substrate having an alignment film formed thereon, an opposing substrate, and a liquid crystal layer sandwiched therebetween. The alignment film on the TFT substrate includes a photolytic polymer made from a first precursor including cyclobutane, and a non-photolytic polymer made from a second precursor. The method includes the steps of depositing a mixture material including the first precursor and the second precursor in which the second precursor settles more on an upper surface of the TFT substrate than the first precursor, imidizing the mixture material, and irradiating the mixture material with ultraviolet light for photo-alignment, and after irradiating, heating the mixture material to form the alignment film.
Abstract translation: 一种制造液晶显示装置的方法，该液晶显示装置包括其上形成有取向膜的TFT基板，相对基板和夹在其间的液晶层。 TFT基板上的取向膜包括由包含环丁烷的第一前体制成的光解聚合物和由第二前体制成的非光解聚合物。 该方法包括以下步骤：将包含第一前体和第二前体的混合材料沉积在第二前体中，其中第二前体比第一前体沉淀在TFT基板的上表面上，对混合物进行酰亚胺化，并用紫外线照射混合材料 用于光取向的光，并且在照射之后，加热混合物材料以形成取向膜。
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89.发明授权Method for fabricating a liquid crystal display device comprising an alignment film that includes polyamide acid ester with 80% or more of which is polyamide ester including cyclobutane 有权一种制造液晶显示装置的方法，该液晶显示装置包括取向膜，该取向膜包括其中80％或更多的聚酰胺酸酯是包含环丁烷的聚酰胺酯公开(公告)号：US08854582B2
公开(公告)日：2014-10-07
申请号：US14167411
申请日：2014-01-29
Inventor： Noboru Kunimatsu , Chikae Matsui , Hidehiro Sonoda , Yuko Matsumoto , Shoichi Uchino , Masaki Matsumori , Yasushi Tomioka
IPC: G02F1/141 , G02F1/1337
CPC classification number: G02F1/133723 , C09K19/56 , G02F1/133711 , G02F1/133788 , G02F1/134363 , G02F1/1368 , H01L27/1262 , H01L27/1296 , Y10T428/10 , Y10T428/1005
Abstract: A method for fabricating a liquid crystal display device having a TFT substrate in which an alignment film is formed over a pixel including a pixel electrode and a TFT, an opposing substrate which faces the TFT substrate, and liquid crystals sandwiched between the TFT substrate and the opposing substrate, the alignment film on the TFT substrate including a first and a second alignment film. The method includes depositing a mixture liquid of polyamide acid ester, 80 percent or more of which is polyamide acid ester including cyclobutane, and polyamide acid not including cyclobutane onto the TFT substrate and the opposing substrate, and after drying and firing the TFT substrate and the opposing substrate to harden the alignment film, irradiating the alignment film with ultraviolet light for photo-alignment of the alignment film and, thereafter, heating the TFT substrate and the opposing substrate, thereby forming the alignment film.
Abstract translation: 一种用于制造液晶显示装置的方法，该液晶显示装置具有TFT基板，其中在包括像素电极和TFT的像素上形成取向膜，面对TFT基板的相对基板和夹在TFT基板和TFT基板之间的液晶 对置基板，TFT基板上的取向膜包括第一和第二取向膜。 该方法包括：在TFT基板和相对基板上沉积其中80重量％以上的聚酰胺酸酯和不含环丁烷的聚酰胺酸和聚对苯二甲酸丁二醇酯的混合液，并将其干燥和烧制后， 相对的基板硬化取向膜，用紫外线照射取向膜，对取向膜进行光取向，然后加热TFT基板和对置基板，由此形成取向膜。
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公开(公告)号：US12072581B2
公开(公告)日：2024-08-27
申请号：US18143147
申请日：2023-05-04
Inventor： Shoichi Uchino , Noboru Kunimatsu , Hidehiro Sonoda , Chikae Matsui , Yuko Matsumoto , Tomio Yaguchi , Toshiki Kaneko , Jun Tanaka
IPC: G03F7/30 , G02F1/1337 , G03F7/36 , C08G73/10 , C09D179/08 , G02F1/13 , G02F1/1333
CPC classification number: G02F1/133788 , G03F7/30 , G03F7/36 , C08G73/1078 , C09D179/08 , C09K2323/027 , G02F1/1316 , G02F1/133354
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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