公开(公告)号：US20190073974A1

公开(公告)日：2019-03-07

申请号：US16124528

申请日：2018-09-07

Applicant: Japan Display Inc.

Inventor： Takenori HIROTA ,  Jin HIROSAWA ,  Hidemasa YAMAGUCHI ,  Yasuhiro TAKAHASHI

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G02F1/133512 ,  G02F1/137 ,  G02F2001/134372 ,  G02F2001/13712 ,  G02F2201/123 ,  G09G2320/0252

Abstract: According to one embodiment, a display device comprises first and second substrates and a liquid crystal layer. The first substrate includes a pixel electrode and a common electrode. The second substrate is opposed to the first substrate. The liquid crystal layer is between the first substrate and the second substrate. A frame frequency for rewriting a voltage of the pixel electrode is 80 Hz or more. A liquid crystal material contained in the liquid crystal layer has negative dielectric anisotropy. Product Δnd of a gap d between the first substrate and the second substrate and refractive anisotropy Δn of the liquid crystal material is less than 0.33 μm. The gap d is more than 2 μm and less than 3 μm.

公开(公告)号：US20180252970A1

公开(公告)日：2018-09-06

申请号：US15877699

申请日：2018-01-23

Applicant: Japan Display Inc.

Inventor： Yasushi IWAKABE ,  Jin HIROSAWA ,  Koichi IGETA

IPC: G02F1/1343 ,  G09G3/36 ,  G09G3/20 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/134309 ,  G02F1/133512 ,  G02F1/134363 ,  G02F2001/134372 ,  G09G3/001 ,  G09G3/3648 ,  G09G2300/0426

Abstract: A display device includes: a light shielding film; a plurality of image lines and a plurality of scanning lines present on an insulating base material; a pixel electrode and a common electrode present in a sub-pixel area surrounded by the plural image lines and the plural scanning lines in a plan view; and a liquid crystal layer driven by an electric field generated between the pixel electrode and the common electrode. A shape of the pixel electrode in a light transmission area surrounded by the light shielding film is a linear shape having no bending portion. The common electrode is overlapped on the plural image lines and the plural scanning lines, and has an opening overlapped on the pixel electrode. Further, each liquid crystal molecule of the liquid crystal layer has a positive dielectric constant. The sub-pixel area has a width of 13 μm or less.

公开(公告)号：US20170146846A1

公开(公告)日：2017-05-25

申请号：US15295121

申请日：2016-10-17

Applicant: Japan Display Inc.

Inventor： Hirofumi FUNAKOSHI ,  Jin HIROSAWA ,  Masakatsu KITANI ,  Daichi HOSOKAWA

IPC: G02F1/1339 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/13394 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/134336 ,  G02F1/134363 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/13396 ,  G02F2201/123

Abstract: A liquid crystal display device related to one embodiment includes a gate line arranged along a first direction, a first pixel including a first switching element connected to the gate line, and a first pixel electrode connected to the first switching element via a first contact hole arranged in an insulation layer, a second pixel including a second switching element connected to the gate line, and a second pixel electrode connected to the second switching element via a second contact hole arranged in the insulation layer, a first spacer arranged in the fixed pixel, and a second spacer arranged in the second pixel, wherein the first spacer and the second spacer are arranged substantially on the same straight line in the first direction, and the first contact hole and the second contact hole are alternately arranged sandwiching a straight line connecting the first spacer and the second spacer.

公开(公告)号：US20160357074A1

公开(公告)日：2016-12-08

申请号：US15181609

申请日：2016-06-14

Applicant: Japan Display Inc.

Inventor： Jin HIROSAWA ,  Arihiro TAKEDA ,  Nobuko FUKUOKA ,  Yusuke MORITA ,  Kazuya DAISHI

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1337

CPC classification number: G02F1/134309 ,  G02F1/13306 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133784 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/133738 ,  G02F2001/134318 ,  G02F2001/134345 ,  G02F2001/134381 ,  G02F2201/123 ,  G02F2202/28

Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. In the first substrate, gate lines extend in a first direction, and a first source line and a second source line extend in a second direction orthogonally crossing the first direction. A pixel electrode having a first belt-like main electrode is arranged approximately in a central portion between the first source line and the second source line and extending in the second direction. A first belt-like sub-electrode covers the gate line between the first source line and the second source line and extending in the first direction. The second substrate includes a counter electrode having a second main electrode arranged on the first and second source lines and extending in the second direction. A liquid crystal layer is held between the first substrate and the second substrate.

Abstract translation: 在一个实施例中，液晶显示装置包括第一基板和第二基板。 在第一衬底中，栅极线在第一方向上延伸，并且第一源极线和第二源极线在与第一方向正交的第二方向上延伸。 具有第一带状主电极的像素电极大致布置在第一源极线和第二源极线之间的中心部分中并沿第二方向延伸。 第一带状子电极覆盖第一源极线和第二源极线之间的栅极线并沿第一方向延伸。 第二基板包括具有布置在第一和第二源极线上并沿第二方向延伸的第二主电极的对电极。 液晶层保持在第一基板和第二基板之间。

公开(公告)号：US20160216576A1

公开(公告)日：2016-07-28

申请号：US15001666

申请日：2016-01-20

Applicant: Japan Display Inc.

Inventor： Kayoko MIYAZAKI ,  Jin HIROSAWA

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337 ,  G02F1/1333

CPC classification number: G02F1/134309 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134318 ,  G02F2001/134345

Abstract: A liquid crystal display device includes a gate line, a source line, a first common electrode opposed to the gate line and the source line, an interlayer insulating film covering the first common electrode, a pixel electrode including a main pixel electrode and a sub-pixel electrode, the pixel electrode formed on the interlayer insulating film, a second common electrode formed on the interlayer insulating film. The second common electrode includes a second main common electrode which has intermittence at a position adjacent to the sub-pixel electrode, and a second sub-common electrode which has intermittence at a position adjacent to the main pixel electrode.

Abstract translation: 一种液晶显示装置，包括栅极线，源极线，与栅极线和源极线相对的第一公共电极，覆盖第一公共电极的层间绝缘膜，包括主像素电极和子像素电极的像素电极， 像素电极，形成在层间绝缘膜上的像素电极，形成在层间绝缘膜上的第二公共电极。 第二公共电极包括在与子像素电极相邻的位置处具有间歇性的第二主公共电极和在与主像素电极相邻的位置处具有间歇的第二副公共电极。

公开(公告)号：US20160070149A1

公开(公告)日：2016-03-10

申请号：US14848943

申请日：2015-09-09

Applicant: Japan Display Inc.

Inventor： Jin HIROSAWA

IPC: G02F1/1362 ,  G02F1/1337 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G02F1/136286 ,  G02F1/1337 ,  G02F1/136213 ,  G02F2001/134318 ,  G02F2001/13606

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a semiconductor layer including a first extension portion and a second extension portion, a gate line, a first common electrode opposed to at least the second extension portion, a source line extending above the second extension portion, a pixel electrode including a main pixel electrode, a second common electrode including a second main common electrode opposed to the source line, and a first alignment film.

Abstract translation: 根据一个实施例，液晶显示装置包括：第一基板，包括包括第一延伸部分和第二延伸部分的半导体层;栅极线;与至少第二延伸部分相对的第一公共电极;源极线延伸 在第二延伸部分之上，包括主像素电极，包括与源极线相对的第二主公共电极的第二公共电极和第一取向膜的像素电极。

公开(公告)号：US20150309376A1

公开(公告)日：2015-10-29

申请号：US14682336

申请日：2015-04-09

Applicant: Japan Display Inc.

Inventor： Jin HIROSAWA

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337 ,  G02F1/1333

CPC classification number: G02F1/134363 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/134309 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134318 ,  G02F2001/134372 ,  G02F2001/134381 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2202/104

Abstract: A first substrate includes a gate line extending in a first direction, a first interlayer insulating film covering the gate line, a first common electrode formed on the first interlayer insulating film extending in a second direction crossing the first direction, a second interlayer insulating film covering the first common electrode, a source line extending in the second direction, and a third interlayer insulating film covering the source line. A pixel electrode includes a main pixel electrode extending in the second direction on the third interlayer insulating film A second common electrode includes a second main common electrode extending in the second direction on the third interlayer insulating film and facing the source line. The second common electrode is set to the same potential as the first common electrode. A first alignment film covers the pixel electrode and the second common electrode.

Abstract translation: 第一基板包括沿第一方向延伸的栅极线，覆盖栅极线的第一层间绝缘膜，形成在与第一方向交叉的第二方向延伸的第一层间绝缘膜上的第一公共电极，第二层间绝缘膜覆盖层 所述第一公共电极，沿所述第二方向延伸的源极线以及覆盖所述源极线的第三层间绝缘膜。 像素电极包括在第三层间绝缘膜上沿第二方向延伸的主像素电极。第二公共电极包括在第三层间绝缘膜上沿第二方向延伸并面对源极线的第二主公共电极。 第二公共电极被设置为与第一公共电极相同的电位。 第一取向膜覆盖像素电极和第二公共电极。

公开(公告)号：US20150227015A1

公开(公告)日：2015-08-13

申请号：US14695687

申请日：2015-04-24

Applicant: Japan Display Inc.

Inventor： Masato KESHO ,  Jin HIROSAWA

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1337 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/136286 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/134336 ,  G02F1/136213 ,  G02F1/1368 ,  G02F2001/134318 ,  G02F2001/136218

Abstract: A first substrate includes first and second gate lines extending in a first direction, first and second source lines extending in a second direction and a switching element electrically connected with the gate line and the source line. A pixel electrode includes a contact portion contacting with the switching element and extending in the first direction and a main pixel electrode contacting with the contact portion and extending in the second direction. The switching element includes a drain electrode arranged between the source lines. The drain electrode includes a first electrode portion located under the contact portion, a second electrode portion located under the main pixel electrode and connected with the first electrode portion, a third electrode portion connected with the second electrode portion along the first gate line, and a fourth electrode portion connected with the second electrode portion and extending along the second gate line.

Abstract translation: 第一基板包括沿第一方向延伸的第一和第二栅极线，沿第二方向延伸的第一和第二源极线以及与栅极线和源极线电连接的开关元件。 像素电极包括与开关元件接触并且沿第一方向延伸的接触部分和与接触部分接触并沿第二方向延伸的主像素电极。 开关元件包括布置在源极线之间的漏电极。 所述漏极包括位于所述接触部下方的第一电极部，位于所述主像素电极下方并与所述第一电极部连接的第二电极部，与所述第二电极部沿着所述第一栅极线连接的第三电极部， 第四电极部分与第二电极部分连接并且沿着第二栅极线延伸。

公开(公告)号：US20150198849A1

公开(公告)日：2015-07-16

申请号：US14668514

申请日：2015-03-25

Applicant: JAPAN DISPLAY, INC.

Inventor： Jin HIROSAWA

IPC: G02F1/1343 ,  G02F1/1337 ,  G02F1/1333

CPC classification number: G02F1/134309 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/134327 ,  G02F1/134336 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134345 ,  G02F2001/136218 ,  G02F2001/13629 ,  G02F2202/104

Abstract: A liquid crystal display device includes a first substrate and a second substrate. The first substrate includes a gate line and an auxiliary capacitance line extending in a first direction, a source line extending in a second direction orthogonally crossing the first direction, and a pixel electrode having a main pixel electrode arranged on the auxiliary capacitance line and extending in the first direction. The second substrate includes a common electrode having a main common electrode arranged above the gate line and extending in the first direction. A liquid crystal layer is held between the first substrate and the second substrate having liquid crystal molecules. The liquid crystal molecules are initially aligned in the first direction in a splay alignment state between the first substrate and the second substrate in a state where electric field is not formed between the pixel electrode and the common electrode.

Abstract translation: 液晶显示装置包括第一基板和第二基板。 第一基板包括栅极线和沿第一方向延伸的辅助电容线，沿与第一方向正交的第二方向延伸的源极线和具有布置在辅助电容线上并在辅助电容线上延伸的主像素电极的像素电极 第一个方向。 第二基板包括公共电极，其具有布置在栅极线上方并沿第一方向延伸的主公共电极。 液晶层保持在具有液晶分子的第一基板和第二基板之间。 在像素电极和公共电极之间没有形成电场的状态下，液晶分子在第一基板和第二基板之间的初始取向状态下，首先在第一方向上取向。

公开(公告)号：US20150185578A1

公开(公告)日：2015-07-02

申请号：US14560636

申请日：2014-12-04

Applicant: Japan Display Inc.

Inventor： Jin HIROSAWA

IPC: G02F1/1362 ,  G02F1/1337 ,  G02F1/1335 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/134309 ,  G02F1/133707 ,  G02F2001/133742 ,  G02F2001/134318 ,  G02F2001/134381 ,  G02F2201/40

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first common electrode in which a first slit extending in a first direction is formed, a first pixel electrode opposed to the first common electrode, and a second pixel electrode opposed to the first common electrode and neighboring the first pixel electrode in a second direction with the first slit being interposed, a second substrate including a second common electrode opposed to the first slit, the first pixel electrode and the second pixel electrode, and a liquid crystal layer held between the first alignment film and the second alignment film.

Abstract translation: 根据一个实施例，液晶显示装置包括：第一基板，包括第一公共电极，其中形成有沿第一方向延伸的第一狭缝，与第一公共电极相对的第一像素电极和与第一公共电极相对的第二像素电极; 第一公共电极，并且第一像素电极与第一像素电极相邻，第一狭缝被插入第二方向，第二基板包括与第一狭缝相对的第二公共电极，第一像素电极和第二像素电极，以及液晶层 保持在第一取向膜和第二取向膜之间。