公开(公告)号：US11693281B2

公开(公告)日：2023-07-04

申请号：US16450332

申请日：2019-06-24

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Hidemasa Yamaguchi

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134363 ,  G02F1/1337

Abstract: A liquid crystal display device including first and second substrates; a liquid crystal layer arranged between the first and second substrates; a plurality of pixel regions each surrounded by a signal line and a scanning line; a counter electrode arranged on the first substrate; and a pixel electrode arranged on the first substrate, the pixel electrode including a plurality of electrode branches, a plurality of slits formed between the electrode branches, and a protrusion protruding in a first direction in which the scanning line extends, wherein at least one of the slits extends in a second direction in which the signal line extends.

公开(公告)号：US11550191B2

公开(公告)日：2023-01-10

申请号：US16586169

申请日：2019-09-27

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Hidemasa Yamaguchi

IPC: G02F1/1343 ,  G02F1/1337 ,  G02F1/1362 ,  G02F1/133 ,  G02F1/1368

Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and
a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.

公开(公告)号：US10330995B2

公开(公告)日：2019-06-25

申请号：US15782430

申请日：2017-10-12

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Hidemasa Yamaguchi

IPC: G02F1/1337 ,  G02F1/1343

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, wherein the extension direction of at least one of slits formed at both ends from among slits formed between the plurality of electrode branches crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.

公开(公告)号：US10310331B2

公开(公告)日：2019-06-04

申请号：US15955042

申请日：2018-04-17

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Harumi Okuno ,  Takeo Koito

IPC: G02F1/1337 ,  G02F1/1343

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.

公开(公告)号：US20180231815A1

公开(公告)日：2018-08-16

申请号：US15955042

申请日：2018-04-17

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Harumi Okuno ,  Takeo Koito

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/1337 ,  G02F1/134363 ,  G02F2001/133749

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.

公开(公告)号：US09977287B2

公开(公告)日：2018-05-22

申请号：US14263586

申请日：2014-04-28

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Harumi Okuno ,  Takeo Koito

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/1337 ,  G02F1/134363 ,  G02F2001/133749

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.

公开(公告)号：US20160041440A1

公开(公告)日：2016-02-11

申请号：US14919047

申请日：2015-10-21

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Hidemasa Yamaguchi

IPC: G02F1/1343 ,  G02F1/133 ,  G02F1/1337

CPC classification number: G02F1/134363 ,  G02F1/13306 ,  G02F1/1337 ,  G02F1/133707 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/13373 ,  G02F2001/134381 ,  G02F2201/122 ,  G02F2201/123 ,  G02F2201/128

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the pixel electrode pattern having a partial connection branch formed around a contact so as to transversely connect a plurality of electrode branches extending from the contact from among the plurality of electrode branches.

Abstract translation: 液晶面板包括：以预定间隙彼此相对布置的第一和第二基板; 填充在第一和第二基板之间的液晶层; 取向膜; 形成在所述第一基板上的对电极图案; 以及形成在所述第一基板上的像素电极图案，以具有多个电极分支，所述像素电极图案具有形成在所述接触部周围的部分连接支路，从而横向地连接从所述触点中延伸的多个电极分支 多个电极分支。

公开(公告)号：US11982907B2

公开(公告)日：2024-05-14

申请号：US18102284

申请日：2023-01-27

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Harumi Okuno ,  Takeo Koito

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/1337 ,  G02F1/133707 ,  G02F1/134363 ,  G02F1/134372 ,  G02F1/133749

Abstract: A liquid crystal panel is provided and includes first and second substrates with liquid crystal layer therebetween; and first electrode in display region; second electrode disposed between first electrode and first substrate; and alignment film having alignment direction, wherein first electrode has: pair of electrode branches; slit between pair of electrode branches; first and second connections connecting pair of electrode branches; wherein first electrode has areas including first and second bent portions, main portion disposed between first and second bent portions, wherein first bent portion is adjacent to contact hole of first electrode, wherein first and second bent portions are bent relative to main portion, and wherein direction of first bent portion is substantially parallel to direction of second bent portion.

公开(公告)号：US11852928B2

公开(公告)日：2023-12-26

申请号：US18094558

申请日：2023-01-09

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Hidemasa Yamaguchi

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1337 ,  G02F1/133 ,  G02F1/1368

CPC classification number: G02F1/134363 ,  G02F1/1337 ,  G02F1/1368 ,  G02F1/13306 ,  G02F1/133707 ,  G02F1/136286 ,  G02F1/13373 ,  G02F1/134381 ,  G02F1/136227 ,  G02F2201/122 ,  G02F2201/123 ,  G02F2201/128

Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.

公开(公告)号：US11567369B2

公开(公告)日：2023-01-31

申请号：US17339488

申请日：2021-06-04

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Harumi Okuno ,  Takeo Koito

IPC: G02F1/1337 ,  G02F1/1343

Abstract: A liquid crystal panel is provided and includes first and second substrates with liquid crystal layer therebetween; and first electrode in display region; second electrode disposed between first electrode and first substrate; and alignment film having alignment direction, wherein first electrode has: pair of electrode branches; slit between pair of electrode branches; first and second connections connecting pair of electrode branches; wherein first electrode has areas including first and second bent portions, main portion disposed between first and second bent portions, wherein first bent portion is adjacent to contact hole of first electrode, wherein first and second bent portions are bent relative to main portion, and wherein direction of first bent portion is substantially parallel to direction of second bent portion.