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：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：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.

公开(公告)号：US11029567B2

公开(公告)日：2021-06-08

申请号：US16429639

申请日：2019-06-03

Applicant: Japan Display Inc.

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

IPC: G02F1/1337 ,  G02F1/1343

Abstract: A liquid crystal panel includes pixels arranged in first and second directions and having a pixel region and including: first and second electrodes; and an alignment film having an alignment direction, wherein the first electrode has: a plurality of electrode branches each having first and second ends in the first direction; a slit between adjacent two branches; a first connection connecting the first ends; a second connection connecting the second ends; and a contact hole adjacent to second connection, wherein the first electrode has areas including: a main portion; and a bent portion that is adjacent to the contact hole and that includes the second end, the bent portion being bent relative to main portion at an angle not less than 7 degrees with respect to alignment direction, wherein an area ratio of the bent portion relative to entire area of the pixel region is not more than 50%.