公开(公告)号：US10756440B2

公开(公告)日：2020-08-25

申请号：US16327571

申请日：2017-08-24

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Hiroaki Asagi ,  Isamu Miyake

IPC: H01Q19/06 ,  H01Q13/10 ,  H01L27/12 ,  H01Q3/44 ,  G02F1/13 ,  G02F1/1368 ,  G02F1/1337 ,  H01Q21/06 ,  G02F1/1341 ,  H01Q13/22 ,  H01Q3/34 ,  H01Q19/10

Abstract: A scanning antenna is a scanning antenna in which antenna units are arranged, including a TFT substrate provided with a first dielectric substrate, a TFT, a gate bus line, a source bus line, patch electrodes, and a first alignment film covering the patch electrodes; a slot substrate provided with a second dielectric substrate, a slot electrode, and a second alignment film covering the slot electrode; a liquid crystal layer provided between the TFT substrate and the slot substrate; and a reflective conductive plate. The slot electrode includes slots disposed corresponding to each of the patch electrodes. A sealing portion includes a main sealing portion that defines at least one injection port. Given, among directions orthogonal to a sealing pattern of the main sealing portion in the injection port, a direction from the injection port toward the liquid crystal layer as a flow direction, and a region of the liquid crystal layer close to the injection port and including a region extending in the flow direction from the injection port as a first region, angles between the flow direction and each of an orientation direction regulated by the first alignment film in the first region and an orientation direction regulated by the second alignment film in the first region are 20° or less or 160° or greater.

公开(公告)号：US10203558B2

公开(公告)日：2019-02-12

申请号：US15507084

申请日：2015-08-24

Applicant: Sharp Kabushiki Kaisha

Inventor： Koichi Miyachi ,  Masanobu Mizusaki ,  Tsuyoshi Okazaki ,  Hiroshi Tsuchiya ,  Isamu Miyake ,  Toshihiro Matsumoto

IPC: G02F1/1333 ,  G02F1/1339 ,  C08F22/06 ,  C09K19/12 ,  C09K19/30 ,  C09K19/54 ,  G02F1/13 ,  C09K15/08 ,  C09K15/30 ,  C09K19/56 ,  G02F1/1337 ,  G02F1/1341 ,  C08G73/10

Abstract: The present invention provides a liquid crystal display device that maintains a sufficient voltage holding ratio over a long period of time even when a liquid crystal panel having a narrower frame is used and that undergoes no burn-in or no stains on a display screen. The liquid crystal display device of the present invention includes an active-matrix liquid crystal panel and a backlight, wherein the liquid crystal panel includes a liquid crystal layer, a pair of substrates between which the liquid crystal layer is sandwiched, alignment layers disposed on surfaces of the pair of substrates facing the liquid crystal layer, and a seal part that bonds the pair of substrates to each other and that is disposed around the liquid crystal layer, and the liquid crystal panel is formed by a liquid crystal one-drop fill process, wherein the liquid crystal layer includes a liquid crystal material and at least one of a radical scavenger and an antioxidant, and the seal part has a width of 0.6 mm or less at least in part.

公开(公告)号：US10042207B2

公开(公告)日：2018-08-07

申请号：US15674554

申请日：2017-08-11

Applicant: Sharp Kabushiki Kaisha

Inventor： Isamu Miyake ,  Koichi Miyachi

IPC: G02F1/1337 ,  G02F1/1339 ,  G02F1/1343

Abstract: The present invention provides a liquid crystal display panel and a liquid crystal display device having excellent display quality, with reduced string-like defects that occur in display pixels. The liquid crystal display panel of the present invention includes multiple spacers between a pair of substrates, wherein the spacers are arranged such that an inter-spacer distance between adjacent spacers in a longitudinal direction is different from an inter-spacer distance between adjacent spacers in a transverse direction, and an angle formed between a line connecting the spacers with a shorter inter-spacer distance and an alignment direction of liquid crystal molecules at a voltage lower than a threshold voltage in the liquid crystal layer is 20° or smaller.

公开(公告)号：US09995967B2

公开(公告)日：2018-06-12

申请号：US15329658

申请日：2015-07-22

Applicant: Sharp Kabushiki Kaisha

Inventor： Isamu Miyake ,  Koichi Miyachi

IPC: G02F1/1337 ,  C08G73/10 ,  C09K19/56 ,  C09K19/30 ,  C09K19/32 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1339 ,  C09K19/04

CPC classification number: G02F1/133711 ,  C08G73/10 ,  C08G73/1007 ,  C08G73/1078 ,  C08G73/1096 ,  C09K19/3001 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/56 ,  C09K2019/0448 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3027 ,  C09K2019/3075 ,  G02F1/133615 ,  G02F1/133788 ,  G02F1/1339 ,  G02F1/134363 ,  G02F1/1368 ,  G02F2001/133337 ,  G02F2001/133738 ,  G02F2001/133749 ,  G02F2001/134372 ,  G02F2001/13712 ,  G02F2201/124 ,  G02F2202/022 ,  G02F2202/10 ,  Y10T428/1023

Abstract: The present invention provides a liquid crystal display device with reduced power consumption as well as reduced flicker. The liquid crystal display device is one in a transverse electric field mode, including: paired substrates; a photo-alignment film disposed on at least one of the substrates; a horizontal alignment liquid crystal layer disposed between the substrates; and pixels arranged in a matrix form, the liquid crystal layer containing liquid crystal molecules with a bicyclohexyl skeleton and liquid crystal molecules with a difluorobenzene skeleton, the liquid crystal layer having negative anisotropy of dielectric constant, one of the substrates including TFTs disposed in the respective pixels, the TFTs each including a semiconductor layer that contains an oxide semiconductor, the liquid crystal display device having a frame rate of lower than 50 Hz.

公开(公告)号：US20150002799A1

公开(公告)日：2015-01-01

申请号：US14374980

申请日：2013-01-28

Applicant: Sharp Kabushiki Kaisha

Inventor： Isamu Miyake ,  Koichi Miyachi ,  Hiroaki Asagi ,  Akira Hirai

IPC: G02F1/1337 ,  G02F1/1339

CPC classification number: G02F1/133788 ,  G02F1/133711 ,  G02F1/13394 ,  G02F2001/133397 ,  G02F2001/13398 ,  Y10T428/1005

Abstract: A liquid crystal display device (100) includes a first substrate (10) and a second substrate (20) opposing each other, and a liquid crystal layer (30) provided between the first substrate and the second substrate. At least one of the first substrate and the second substrate includes a horizontal alignment film (12, 22) provided on a side closer to the liquid crystal layer. The liquid crystal display device further includes an alignment sustaining layer (40a, 40b) provided between the horizontal alignment film and the liquid crystal layer, the alignment sustaining layer containing a polymerization product of a photopolymerizable compound. The photopolymerizable compound contains an acrylate group or a methacrylate group. The polymerization product in the alignment sustaining layer contains an acrylate group or a methacrylate group as a residue. The horizontal alignment film contains an acrylate group or a methacrylate group.

Abstract translation: 液晶显示装置（100）包括彼此相对的第一基板（10）和第二基板（20），以及设置在第一基板和第二基板之间的液晶层（30）。 第一基板和第二基板中的至少一个包括设置在更靠近液晶层的一侧的水平取向膜（12,22）。 液晶显示装置还包括设置在水平取向膜和液晶层之间的取向维持层（40a，40b），该取向维持层含有光聚合性化合物的聚合物。 光聚合性化合物含有丙烯酸酯基或甲基丙烯酸酯基。 取向维持层中的聚合产物含有丙烯酸酯基或甲基丙烯酸酯基作为残基。 水平取向膜含有丙烯酸酯基或甲基丙烯酸酯基。

公开(公告)号：US20140354930A1

公开(公告)日：2014-12-04

申请号：US14361352

申请日：2012-11-09

Applicant: Sharp Kabushiki Kaisha

Inventor： Shinichi Hirato ,  Isamu Miyake

IPC: G02F1/1339 ,  G02F1/1337

CPC classification number: G02F1/13392 ,  G02F1/1337 ,  G02F1/133707 ,  G02F1/133788 ,  G02F1/1339 ,  G02F1/13394 ,  G02F2001/13373 ,  G02F2001/133738 ,  G02F2001/13396

Abstract: The present invention provides a liquid crystal display device including a horizontal alignment type liquid crystal layer, sub spacers, and a photo-alignment film, wherein the liquid crystal display device can suppress the occurrence of a disclination. The present invention relates to a liquid crystal display device including: a pair of substrates facing each other; and a horizontal alignment type liquid crystal layer interposed between the pair of substrates, wherein at least one of the pair of substrates includes a photo-alignment film, one of the pair of substrates includes multiple sub spacers, the multiple sub spacers are not in contact with the facing substrate under atmospheric pressure, and each of the multiple sub spacers is formed such that its thickness in a cross section monotonically increases and then monotonically decreases from one end to another end of the sub spacer.

Abstract translation: 本发明提供一种液晶显示装置，其包括水平取向型液晶层，子间隔物和光取向膜，其中液晶显示装置可以抑制发生旋错。 液晶显示装置技术领域本发明涉及一种液晶显示装置，包括：一对基板，彼此面对; 以及插入在所述一对基板之间的水平取向型液晶层，其中所述一对基板中的至少一个包括光取向膜，所述一对基板中的一个包括多个子间隔物，所述多个子间隔件不接触 与大气压下的面对衬底，并且形成多个子间隔物中的每一个，使得其横截面中的厚度单调增加，然后从子间隔物的一端单调递减。

公开(公告)号：US11209700B2

公开(公告)日：2021-12-28

申请号：US16071213

申请日：2017-01-16

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Isamu Miyake

IPC: G02F1/1337 ,  G02F1/13363

Abstract: A method for manufacturing a liquid crystal panel includes irradiating a film of a photo-alignment film material formed on a surface of a substrate with light emitted from a light source and polarized by polarizers, the polarized light irradiation being performed while the substrate and/or the light source is moved, each of the polarizers including a polarized light transmissive region and a light-shielding region that surrounds the polarized light transmissive region, the polarized light transmissive region including end portions where the width of the polarized light transmissive region in a Y direction decreases toward the ends in an X direction, the polarizers being coupled with each other such that at least one end portion of each polarized light transmissive region is superimposed on an end portion of an adjacent polarized light transmissive region as viewed in the Y direction, wherein the X direction and the Y direction are perpendicular to each other in a plane parallel to the main surfaces of the polarizers, and the Y direction is a moving direction of the substrate relative to the light source.

公开(公告)号：US11201411B2

公开(公告)日：2021-12-14

申请号：US16498486

申请日：2018-03-23

Applicant: Sharp Kabushiki Kaisha

Inventor： Isamu Miyake

IPC: H01Q3/44 ,  H01Q13/22 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1368 ,  H01Q3/34 ,  H01Q21/06

Abstract: A liquid crystal cell includes a TFT substrate including a first dielectric substrate, TFTs supported by the first dielectric substrate, and patch electrodes electrically connected to the TFTs, a slot substrate including a second dielectric substrate and a slot electrode including slots and supported by the second dielectric substrate, and a liquid crystal layer sandwiched between the TFT substrate and the slot substrate that are disposed such that the patch electrodes and the slot electrode face each other. Liquid crystal molecules included in the liquid crystal layer are oriented in all azimuthal angle directions in a state in which voltage is not applied between the patch electrodes and the slot electrode.

公开(公告)号：US11181782B2

公开(公告)日：2021-11-23

申请号：US16319125

申请日：2017-07-12

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Isamu Miyake

IPC: G02F1/1337 ,  H01Q13/22 ,  H01Q21/06 ,  H01Q3/44

Abstract: A liquid crystal panel P according to the present invention includes: a liquid crystal layer LC; and a pair of first and second substrates 100 and 200 disposed with the liquid crystal layer LC interposed therebetween and including an alignment film M formed on a surface of each of the first and second substrates facing the liquid crystal layer, or a surface of any one of the first and second substrates facing the liquid crystal layer. The alignment film M contains a carboxyl group-containing polymer containing a carboxyl group. The liquid crystal compound constituting the liquid crystal layer LC contains at least one selected from the group consisting of a cyano group, a heterocyclic ring, —OCF2—, a carbon-carbon triple bond and a trifluoromethyl group, contains an aliphatic alkyl group at a terminal thereof, and does not contain an isothiocyanate group. Antenna units are arranged.

公开(公告)号：US09733524B2

公开(公告)日：2017-08-15

申请号：US14374980

申请日：2013-01-28

Applicant: Sharp Kabushiki Kaisha

Inventor： Isamu Miyake ,  Koichi Miyachi ,  Hiroaki Asagi ,  Akira Hirai

IPC: G02F1/1337 ,  G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/133788 ,  G02F1/133711 ,  G02F1/13394 ,  G02F2001/133397 ,  G02F2001/13398 ,  Y10T428/1005

Abstract: A liquid crystal display device (100) includes a first substrate (10) and a second substrate (20) opposing each other, and a liquid crystal layer (30) provided between the first substrate and the second substrate. At least one of the first substrate and the second substrate includes a horizontal alignment film (12, 22) provided on a side closer to the liquid crystal layer. The liquid crystal display device further includes an alignment sustaining layer (40a, 40b) provided between the horizontal alignment film and the liquid crystal layer, the alignment sustaining layer containing a polymerization product of a photopolymerizable compound. The photopolymerizable compound contains an acrylate group or a methacrylate group. The polymerization product in the alignment sustaining layer contains an acrylate group or a methacrylate group as a residue. The horizontal alignment film contains an acrylate group or a methacrylate group.