公开(公告)号：US20190137830A1

公开(公告)日：2019-05-09

申请号：US16224977

申请日：2018-12-19

Applicant: Japan Display Inc.

Inventor： Yasuo IMANISHI

IPC: G02F1/1337 ,  G02F1/1341 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133723 ,  G02F1/133788 ,  G02F1/1341 ,  G02F1/1368 ,  H01L27/1262 ,  Y10T428/1023

Abstract: A liquid crystal display device includes: a TFT substrate formed with an alignment film on a pixel; a counter substrate disposed opposite to the TFT substrate and formed with an alignment film on a top surface on the TFT substrate side; and a liquid crystal sandwiched between the TFT substrate and the counter substrate. In the liquid crystal display device, the alignment film is configured of a first alignment film layer contacting the liquid crystal layer and having at least one kind of polyimide and a second alignment film layer formed below the first alignment film layer and having at least one kind of polyimide, the first alignment film layer is a material that is enabled to provide liquid crystal alignment regulating force by applying polarized light, and the first alignment film layer and the second alignment film layer contain a common polyimide structure.

公开(公告)号：US20160357040A1

公开(公告)日：2016-12-08

申请号：US15144973

申请日：2016-05-03

Applicant: Japan Display Inc.

Inventor： Hidehiro SONODA ,  Noboru KUNIMATSU ,  Takenori HIROTA ,  Yosuke HYODO ,  Yasuo IMANISHI ,  Yasushi TOMIOKA

IPC: G02F1/1337 ,  G02F1/1339

CPC classification number: G02F1/1339 ,  G02F1/13363 ,  G02F1/133788

Abstract: In a liquid crystal display device having an alignment film subjected to an optical alignment process, the frame area can be reduced while maintaining the reliability of the sealing portion. To achieve this, in the display area, the alignment process is performed with UV light on the alignment film, to form an area in which the alignment film is not formed in the opposing first and second sides, and to form an area in which the amount of UV light irradiation on the alignment film is one fourth or less of the display area in the opposing third and fourth sides. In the first and second sides, the sealing material overlaps the area in which the alignment film is not formed. In the third and fourth sides, the sealing material overlaps the area in which the amount of UV light irradiation is one fourth or less of the display area.

Abstract translation: 在具有经过光学校准处理的取向膜的液晶显示装置中，可以在保持密封部的可靠性的同时减小框架面积。 为了实现这一点，在显示区域中，在取向膜上用UV光进行取向处理，以形成在相对的第一和第二面中不形成取向膜的区域，并形成其中 取向膜上的紫外线照射量相对第三，第四面的显示面积的四分之一以下。 在第一和第二侧，密封材料与未形成取向膜的区域重叠。 在第三和第四侧，密封材料与显示区域的UV光照射量的四分之一以下的区域重叠。

公开(公告)号：US20160103368A1

公开(公告)日：2016-04-14

申请号：US14879446

申请日：2015-10-09

Applicant: Japan Display Inc.

Inventor： Yasuo IMANISHI

IPC: G02F1/1337 ,  G02F1/1341 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133723 ,  G02F1/133788 ,  G02F1/1341 ,  G02F1/1368 ,  H01L27/1262 ,  Y10T428/1023

Abstract: A liquid crystal display device includes: a TFT substrate formed with an alignment film on a pixel; a counter substrate disposed opposite to the TFT substrate and formed with an alignment film on a top surface on the TFT substrate side; and a liquid crystal sandwiched between the TFT substrate and the counter substrate. In the liquid crystal display device, the alignment film is configured of a first alignment film layer contacting the liquid crystal layer and having at least one kind of polyimide and a second alignment film layer formed below the first alignment film layer and having at least one kind of polyimide, the first alignment film layer is a material that is enabled to provide liquid crystal alignment regulating force by applying polarized light, and the first alignment film layer and the second alignment film layer contain a common polyimide structure.

Abstract translation: 液晶显示装置包括：在像素上形成有取向膜的TFT基板; 对置基板，与TFT基板相对设置并在TFT基板侧的顶面上形成取向膜; 夹在TFT基板和对置基板之间的液晶。 在液晶显示装置中，取向膜由与液晶层接触的第一取向膜层构成，具有至少一种聚酰亚胺和形成在第一取向膜层下方的第二取向膜层，并具有至少一种 的第一取向膜层是能够通过施加偏振光而提供液晶取向调节力的材料，第一取向膜层和第二取向膜层含有共同的聚酰亚胺结构。

公开(公告)号：US20200348570A1

公开(公告)日：2020-11-05

申请号：US16935384

申请日：2020-07-22

Applicant: Japan Display Inc.

Inventor： Yasuo IMANISHI

IPC: G02F1/1337 ,  G02F1/1368 ,  G02F1/1341 ,  H01L27/12

Abstract: A liquid crystal display device includes: a TFT substrate formed with an alignment film on a pixel; a counter substrate disposed opposite to the TFT substrate and formed with an alignment film on a top surface on the TFT substrate side; and a liquid crystal sandwiched between the TFT substrate and the counter substrate. In the liquid crystal display device, the alignment film is configured of a first alignment film layer contacting the liquid crystal layer and having at least one kind of polyimide and a second alignment film layer formed below the first alignment film layer and having at least one kind of polyimide, the first alignment film layer is a material that is enabled to provide liquid crystal alignment regulating force by applying polarized light, and the first alignment film layer and the second alignment film layer contain a common polyimide structure.

公开(公告)号：US20150138476A1

公开(公告)日：2015-05-21

申请号：US14542912

申请日：2014-11-17

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Yasushi TOMIOKA ,  Noboru KUNIMATSU ,  Hidehiro SONODA ,  Yasuo IMANISHI ,  Takenori HIROTA

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1339 ,  G02F1/1368

CPC classification number: G02F1/136227 ,  G02F1/133345 ,  G02F1/1337

Abstract: To take measures against the phenomenon of difficulty for the orientation film material to flow into the through-hole when the diameter of through-holes which connects the pixel electrode and the source electrode becomes small.An interlayer insulating film 109 made of SiN is formed on a counter electrode, and a pixel electrode 110 having a slit 1101 is formed on the interlayer insulating film 109. A through-hole 111 which connects the pixel electrode 110 and the source electrode of a TFT has a large opening on the upper side, a small opening on the lower side, and an inner wall extending between the large opening and the small opening. The pixel electrode 110 covers the through-hole 111 on an inner side of the pixel of the through-hole 111 but does not cover a periphery of the large opening of the through-hole on an outer side of the through-hole 111. Consequently, an orientation film material can easily flow from a starting point given by an end portion of the pixel electrode into the inside of the through-hole.

Abstract translation: 当连接像素电极和源极电极的通孔的直径变小时，采取措施来抵抗取向膜材料流入通孔的困难现象。 在对电极上形成由SiN制成的层间绝缘膜109，在层间绝缘膜109上形成有狭缝1101的像素电极110.将像素电极110和源电极连接的通孔111 TFT在上侧具有大的开口，在下侧具有小的开口，以及在大开口和小开口之间延伸的内壁。 像素电极110覆盖通孔111的像素的内侧的通孔111，但不覆盖通孔111的外侧的通孔的大开口的周围。因此， 取向膜材料可以容易地从由像素电极的端部给出的起始点流入通孔的内部。

公开(公告)号：US20150055070A1

公开(公告)日：2015-02-26

申请号：US14458308

申请日：2014-08-13

Applicant: Japan Display Inc.

Inventor： Noboru KUNIMATSU ,  Yasushi TOMIOKA ,  Hidehiro SONODA ,  Yosuke HYODO ,  Yasuo IMANISHI

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

CPC classification number: G02F1/133788 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/1339

Abstract: A TFT substrate and a counter substrate are bonded via a seal material. Alignment films are applied to entire surfaces of the TFT substrate and the counter substrate so as to realize even thickness of the alignment film. This allows a display region to be formed up to the area around the seal material. The alignment film is photo-alignment processed. An organic film formed of the material which is not photo-aligned is interposed between the alignment film and the seal material. High bonding strength between the organic film and the seal material improves reliability of a seal portion as well as reduces a frame region.

Abstract translation: TFT基板和对置基板通过密封材料接合。 将对准膜施加到TFT基板和对置基板的整个表面，以实现取向膜的均匀厚度。 这允许显示区域形成到密封材料周围的区域。 对准膜进行光取向处理。 由取向膜和密封材料之间插入由不被光取向的材料形成的有机膜。 有机膜和密封材料之间的高粘结强度提高了密封部分的可靠性，并且缩小了框架区域。

公开(公告)号：US20140347585A1

公开(公告)日：2014-11-27

申请号：US14287353

申请日：2014-05-27

Applicant: Japan Display Inc.

Inventor： Yasuo IMANISHI ,  Yosuke HYODO ,  Chikae MATSUI ,  Hidehiro SONODA ,  Noboru KUNIMATSU

IPC: G02F1/1337 ,  H01L27/12 ,  G02F1/1343

CPC classification number: G02F1/133788 ,  B32B2457/202 ,  C08G73/10 ,  C08G73/1046 ,  C08G73/105 ,  C08G73/1078 ,  G02F1/133723 ,  G02F1/13378 ,  G02F1/134363 ,  Y10T428/1005 ,  Y10T428/1018 ,  Y10T428/1023

Abstract: The present invention provides a liquid crystal display device in which even in the case of using a photo-alignment technique, excellent afterimage characteristics can be stably obtained.Provided is a liquid crystal display device including a TFT substrate having an alignment film, an opposed substrate which is arranged to face the TFT substrate and on which an alignment film is formed, and a liquid crystal layer sandwiched between the alignment films, wherein the alignment films are materials that can provide a liquid crystal alignment restraining force by irradiating polarized light, and the ratio of oxygen atoms on the surface of the alignment film is higher than that in the alignment film.

Abstract translation: 本发明提供一种液晶显示装置，其中即使在使用光取向技术的情况下，也可以稳定地获得优异的残留图像特性。 本发明提供一种液晶显示装置，其具有：具有取向膜的TFT基板，与TFT基板相对配置并配置有取向膜的相对基板以及夹在取向膜之间的液晶层， 膜是通过照射偏振光可以提供液晶取向抑制力的材料，并且取向膜表面上的氧原子比高于取向膜中的氧原子比。

公开(公告)号：US20180180947A1

公开(公告)日：2018-06-28

申请号：US15893803

申请日：2018-02-12

Applicant: Japan Display Inc.

Inventor： Yasuo IMANISHI ,  Yosuke Hyodo ,  Chikae Matsui ,  Hidehiro Sonoda ,  Noboru Kunimatsu

IPC: G02F1/1337 ,  G02F1/1343 ,  C08G73/10

CPC classification number: G02F1/133788 ,  B32B2457/202 ,  C08G73/10 ,  C08G73/1046 ,  C08G73/105 ,  C08G73/1078 ,  G02F1/133723 ,  G02F1/13378 ,  G02F1/134363 ,  Y10T428/1005 ,  Y10T428/1018 ,  Y10T428/1023

Abstract: The present invention provides a liquid crystal display device in which even in the case of using a photo-alignment technique, excellent afterimage characteristics can be stably obtained. Provided is a liquid crystal display device including a TFT substrate having an alignment film, an opposed substrate which is arranged to face the TFT substrate and on which an alignment film is formed, and a liquid crystal layer sandwiched between the alignment films, wherein the alignment films are materials that can provide a liquid crystal alignment restraining force by irradiating polarized light, and the ratio of oxygen atoms on the surface of the alignment film is higher than that in the alignment film.

公开(公告)号：US20160103369A1

公开(公告)日：2016-04-14

申请号：US14878305

申请日：2015-10-08

Applicant: Japan Display Inc.

Inventor： Yasuo IMANISHI

IPC: G02F1/1337 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133788 ,  G02F1/133711 ,  G02F1/13378

Abstract: There is provided a high-quality liquid crystal display device that improves viewing angle characteristics and display contrast in low afterglow. A liquid crystal display device includes: a TFT substrate having a pixel electrode and a TFT and formed with an alignment film on a pixel; a counter substrate disposed opposite to the TFT substrate and formed with an alignment film on a topmost surface on the TFT substrate side; and a liquid crystal sandwiched between the alignment film of the TFT substrate and the alignment film of the counter substrate. The alignment film is a material that is enabled to provide liquid crystal alignment regulating force by applying polarized light. The topmost surface layer of the photo-alignment film has liquid crystal alignment regulating force, and the photo-alignment film has little optical anisotropy.

Abstract translation: 提供了一种高质量的液晶显示装置，其改善了视角特性，并且在低余辉下显示对比度。 液晶显示装置包括：具有像素电极和TFT并在像素上形成取向膜的TFT基板; 对置基板，与TFT基板相对设置并在TFT基板侧的最上表面上形成取向膜; 夹在TFT基板的取向膜和对置基板的取向膜之间的液晶。 取向膜是能够通过施加偏振光提供液晶取向调节力的材料。 光取向膜的最表面层具有液晶取向调节力，光取向膜的光学各向异性小。

公开(公告)号：US20150146149A1

公开(公告)日：2015-05-28

申请号：US14603338

申请日：2015-01-22

Applicant: Japan Display Inc. ,  Panasonic Liquid Crystal Display Co., Ltd.

Inventor： Yasuo IMANISHI ,  Masaki MATSUMORI ,  Yasushi TOMIOKA

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133711 ,  G02F1/1337 ,  G02F1/133707 ,  G02F1/133723 ,  G02F1/134327

Abstract: A liquid crystal display device includes first and second substrates, at least one of which is transparent, a liquid crystal layer which is disposed between the first and second substrates, a pixel electrode and a common electrode which are formed on one of the first and second substrates and which apply an electric field to the liquid crystal layer, a plurality of active elements which is connected to the pixel electrode and the common electrode, an alignment film which is disposed on at least one of the first and second substrates and has one surface contacting the liquid crystal layer, and an underlying layer which is disposed on at least one of the first and second substrates and contacts the other surface of the alignment film. The pixel electrode is laminated on the common electrode having a plane shape through an isolation film.

Abstract translation: 液晶显示装置包括第一和第二基板，其中至少一个是透明的，设置在第一和第二基板之间的液晶层，形成在第一和第二基板之一上的像素电极和公共电极 衬底，并且对液晶层施加电场;连接到像素电极和公共电极的多个有源元件;配置膜，设置在第一和第二衬底中的至少一个上并具有一个表面 与液晶层接触，以及设置在第一和第二基板中的至少一个上并与取向膜的另一个表面接触的下层。 像素电极通过隔离膜层叠在具有平面形状的公共电极上。