公开(公告)号：US20150062519A1

公开(公告)日：2015-03-05

申请号：US14534235

申请日：2014-11-06

Applicant: Japan Display Inc.

Inventor： Masaki Matsumori ,  Yasuo Imanishi ,  Yasushi Tomioka ,  Noboru Kunimatsu

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133723 ,  C08G73/1042 ,  C08G73/1075 ,  C08G73/1078 ,  C08G73/1085 ,  C08G73/14 ,  C08L79/08 ,  C08L2205/02 ,  G02F1/133788 ,  G02F1/1343 ,  G02F2001/133738 ,  Y10T428/1023

Abstract: Disclosed is a liquid crystal display device including: a first substrate and a second substrate, one of which is transparent; a liquid crystal layer disposed between the first substrate and the second substrate; a group of electrodes for applying an electric field to the liquid crystal layer, which is formed on one of the first substrate and the second substrate; a plurality of active elements connected to the group of electrodes; and an alignment film disposed on one of the first substrate and the second substrate, wherein the alignment film contains a polyimide and a precursor of the polyimide, each of which is formed from a diamine and an acid anhydride, and the diamine contains a first diamine having an acidic group and a second diamine having a nitrogen atom-containing functional group other than two amino groups.

Abstract translation: 公开了一种液晶显示装置，包括：第一基板和第二基板，其中之一是透明的; 设置在所述第一基板和所述第二基板之间的液晶层; 一组用于向液晶层施加电场的电极，其形成在第一基板和第二基板之一上; 连接到所述一组电极的多个有源元件; 以及配置在所述第一基板和所述第二基板之一上的取向膜，其中所述取向膜含有聚酰亚胺和所述聚酰亚胺的前体，所述前体由二胺和酸酐形成，所述二胺含有第一二胺 具有酸性基团和具有除了两个氨基以外的含氮原子的官能团的第二二胺。

公开(公告)号：US20140333885A1

公开(公告)日：2014-11-13

申请号：US14339492

申请日：2014-07-24

Applicant: Japan Display Inc.

Inventor： Yasushi Tomioka ,  Noboru Kunimatsu ,  Hidehiro Sonoda ,  Yasuo Imanishi ,  Koichi Igeta

IPC: G02F1/1339

CPC classification number: G02F1/1339 ,  G02F1/13392 ,  G02F1/13394 ,  G02F1/136227 ,  G02F2001/13396

Abstract: A display device includes a first substrate having a plurality of TFTs, a passivation film, and a plurality of pixel electrodes, and a second substrate arranged with a gap with the first substrate. The passivation film has a plurality of contact holes, and the plurality of pixel electrodes are connected to the plurality of TFTs via the plurality of contact holes. The second substrate has a plurality of columnar spacers for ensuring the gap with the first substrate, and a plurality of columnar projections for misalignment prevention formed at positions corresponding to the contact holes. The number of the plurality of columnar projections is less than the number of the plurality of columnar spacers.

Abstract translation: 显示装置包括具有多个TFT的第一基板，钝化膜和多个像素电极，以及与第一基板间隔设置的第二基板。 钝化膜具有多个接触孔，并且多个像素电极经由多个接触孔连接到多个TFT。 第二基板具有多个用于确保与第一基板的间隙的柱状间隔件，以及在对应于接触孔的位置形成多个用于不对准的柱状突起。 多个柱状突起的数量少于多个柱状间隔物的数量。

公开(公告)号：US20140144582A1

公开(公告)日：2014-05-29

申请号：US14167411

申请日：2014-01-29

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

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 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。

公开(公告)号：US20140046004A1

公开(公告)日：2014-02-13

申请号：US14061284

申请日：2013-10-23

Applicant: JAPAN DISPLAY, INC.

Inventor： Masaki Matsumori ,  Yasushi Tomioka ,  Noboru Kunimatsu

IPC: G02F1/1337

CPC classification number: C09K19/56 ,  B32B2457/202 ,  C08L33/24 ,  C08L77/06 ,  G02F1/133723 ,  G02F1/133788 ,  G02F1/134363 ,  G02F1/137 ,  G02F2001/133749 ,  G02F2001/13706 ,  Y10T428/1005 ,  Y10T428/1018 ,  Y10T428/1023

Abstract: An IPS type liquid crystal display device superior in mass productivity and improved in image quality with a higher contrast ratio by decreasing the occurrence of defective display due to the disorder of the initial liquid crystal alignment by the liquid orientation control film and realizing stable alignment of liquid crystals comprises: a pair of substrates, at least one which is transparent; a liquid crystal layer disposed between the pair of substrates; a group of electrodes formed on at least one of the pair of substrates to apply an electric field to the liquid crystal layer; plural active elements connected to the group of electrodes; and an orientation control film disposed on at least one of the pair of substrates, wherein said orientation control film is made of a photosensitive polyimide and a polyamide acid ester and is given orientation control ability by being irradiated with substantially linearly polarized light.

Abstract translation: 一种IPS型液晶显示装置，其通过减少由于液体取向控制膜的初始液晶取向无序而导致的不良显示的发生，并且实现液体的稳定取向 晶体包括：一对基板，至少一个基板是透明的; 设置在所述一对基板之间的液晶层; 形成在所述一对基板中的至少一个基板上的一组电极，以向所述液晶层施加电场; 连接到该组电极的多个有源元件; 以及设置在所述一对基板中的至少一个基板上的取向控制膜，其中所述取向控制膜由感光性聚酰亚胺和聚酰胺酸酯构成，并且通过用基本上线偏振光照射而获得取向控制能力。

公开(公告)号：US08619221B2

公开(公告)日：2013-12-31

申请号：US13926247

申请日：2013-06-25

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

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.