公开(公告)号：US11841515B2

公开(公告)日：2023-12-12

申请号：US17488293

申请日：2021-09-29

Applicant: Japan Display Inc.

Inventor： Jin Hirosawa

IPC: G02B3/00 ,  G02F1/1335 ,  G02B26/08

CPC classification number: G02B3/0043 ,  G02B26/0875 ,  G02F1/133607

Abstract: According to one embodiment, a lens array comprises a plurality of lens elements. Each of the plurality of lens elements comprises a boundary surface of two layers with different refractive indices, and an actuator configured to deform the boundary surface.

公开(公告)号：US11768416B2

公开(公告)日：2023-09-26

申请号：US18073594

申请日：2022-12-02

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima ,  Jin Hirosawa

IPC: G02F1/1335 ,  G02F1/1362 ,  H01L27/12 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/134345 ,  G02F1/136227 ,  H01L27/124 ,  G02F1/1368 ,  G02F1/133514 ,  G02F2202/16 ,  G02F2203/01

Abstract: According to one embodiment, a display device includes an insulating substrate having a main surface, a switching element, a first pixel electrode electrically connected to the switching element, a second pixel electrode adjacent to the first pixel electrode, a wiring line provided between the first pixel electrode and the second pixel electrode, a convex portion provided between the wiring line and a liquid crystal layer, overlapping the wiring line and extending along the wiring line, and a black film formed into a belt-like shape overlapping the convex portion and having an inclined surface which inclines with respect to the main surface.

公开(公告)号：US11720195B2

公开(公告)日：2023-08-08

申请号：US17675490

申请日：2022-02-18

Applicant: Japan Display Inc.

Inventor： Yoshinori Aoki ,  Yuji Maede ,  Jin Hirosawa ,  Yuzo Kanari

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G02F1/133512 ,  G02F1/134309 ,  G06F3/044

Abstract: According to an aspect, a display device with a sensor includes: a first substrate; detection electrodes arrayed in a matrix in a first direction and a second direction intersecting the first direction above the first substrate; sensor wires coupled to one of the detection electrodes; pixels each including sub-pixels and arrayed in a matrix in the first and second directions; scanning lines scanning switching elements of the sub-pixels and extending in the first direction; and signal lines coupled to the switching elements and extending in the second direction. One of the sensor wires overlaps one of the signal lines. The sensor wires each have, at a part thereof, a coupling part coupled to the corresponding detection electrode. The pixels include a first pixel with the coupling part and a second pixel without the coupling part. The first and second pixels are alternately disposed in the first and second directions.

公开(公告)号：US11698558B2

公开(公告)日：2023-07-11

申请号：US17131036

申请日：2020-12-22

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Jin Hirosawa ,  Hayato Kurasawa

IPC: G02F1/1362 ,  G09G3/36 ,  G02F1/1343

CPC classification number: G02F1/136286 ,  G09G3/3614 ,  G09G3/3659 ,  G02F1/134363 ,  G02F1/134372 ,  G02F2201/122 ,  G02F2201/123 ,  G02F2201/52 ,  G09G2300/0452

Abstract: A display device includes: a first pixel including a first sub-pixel, a second sub-pixel, and a third sub-pixel; and a second pixel including the first sub-pixel, the second sub-pixel, and a fourth sub-pixel. The first pixel and the second pixel are alternately arranged in a row direction and a column direction. The third sub-pixel and the fourth sub-pixel are alternately arranged in the column direction. A branch electrode in one of two first sub-pixels adjacent in the column direction extends in a first direction, and a branch electrode in the other thereof extends in a second direction. A branch electrode in one of two second sub-pixels adjacent in the column direction extends in the first direction, and a branch electrode in the other thereof extends in the second direction. Each branch electrode in the third sub-pixel and the fourth sub-pixel includes a bending portion.

公开(公告)号：US10573264B2

公开(公告)日：2020-02-25

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 ,  G02F1/1335

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：US20180267353A1

公开(公告)日：2018-09-20

申请号：US15922285

申请日：2018-03-15

Applicant: Japan Display Inc.

Inventor： Arihiro Takeda ,  Shoji Hinata ,  Yoshikatsu Imazeki ,  Nobuko Fukuoka ,  Jin Hirosawa ,  Yuji Sato

IPC: G02F1/1335 ,  G06F3/041 ,  G02F1/1339 ,  G02F1/1362 ,  G02F1/1343 ,  H01L27/12 ,  G06F3/044

CPC classification number: G02F1/133514 ,  G02F1/133512 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1345 ,  G02F1/136286 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2202/16 ,  G06F3/0412 ,  G06F3/044 ,  H01L27/1218 ,  H01L27/124

Abstract: According to one embodiment, a display device includes a first substrate including a first insulating substrate located in a first area and a second area, and a first conductive layer provided in the second area, a second substrate including a second insulating substrate located in the first area, and a second conductive layer, and a first connection line opposed to a first side surface of the second insulating substrate to electrically connect the first conductive layer and the second conductive layer. The first connection line is formed of a photosensitive resin containing a conductive material.

公开(公告)号：US09841641B2

公开(公告)日：2017-12-12

申请号：US15169382

申请日：2016-05-31

Applicant: JAPAN DISPLAY INC.

Inventor： Jin Hirosawa

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

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.

公开(公告)号：US09817284B2

公开(公告)日：2017-11-14

申请号：US14690958

申请日：2015-04-20

Applicant: Japan Display Inc.

Inventor： Yusuke Morita ,  Jin Hirosawa

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

CPC classification number: G02F1/134336 ,  G02F1/133345 ,  G02F1/134309 ,  G02F1/134363 ,  G02F2001/133738 ,  G02F2001/134318 ,  G02F2001/134345

Abstract: In one embodiment, a first substrate includes a sub-pixel electrode extending in a first direction, a first main pixel electrode connected with one end of the sub-pixel electrode and extending in a second direction orthogonally crossing the first direction, and a second main pixel electrode connected with the other end of the sub-pixel electrode and extending in the second direction. A second substrate includes first and second sub-common electrodes arranged on both sides sandwiching the sub-pixel electrode, a first main common electrode connected with the first sub-common electrode and extending along the second direction opposite to the extending direction of the first main pixel electrode on one end side of the sub-pixel electrode, and a second main common electrode connected with the second sub-common electrode and extending along the second direction opposite to the extending direction of the second main pixel electrode on the other end side of the sub-pixel electrode.

公开(公告)号：US09785001B2

公开(公告)日：2017-10-10

申请号：US15215662

申请日：2016-07-21

Applicant: Japan Display Inc.

Inventor： Arihiro Takeda ,  Jin Hirosawa

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

CPC classification number: G02F1/133345 ,  G02F1/133371 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/134327 ,  G02F1/13439 ,  G02F2201/123

Abstract: According to one embodiment, a liquid crystal display apparatus includes a first substrate including a first electrode and an insulating layer arranged so as to cover an edge of the first electrode, a second substrate including a second electrode facing the first electrode and a second slit from which the second electrode is removed, and a liquid crystal layer interposed between the first substrate and the second substrate. The first electrode includes a plurality of first slits extending inwardly from the edge of the first electrode. The insulating layer and the plurality of first slits are arranged such that a position of an end of the insulating layer and a position of a tip to which the first slit extends are apart from each other in a region between the edge of the first electrode and the second slit in a direction in which the first slit extends.

公开(公告)号：US09134579B2

公开(公告)日：2015-09-15

申请号：US14475111

申请日：2014-09-02

Applicant: JAPAN DISPLAY INC.

Inventor： Jin Hirosawa

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134363 ,  G02F1/1337 ,  G02F1/134309 ,  G02F2001/134318 ,  G02F2001/134372 ,  G02F2001/134381

Abstract: A liquid crystal display device includes first and second substrates. The first substrate includes a pixel electrode having a main pixel electrode in the shape of a belt and a first alignment film covering the pixel electrode. The first alignment film is alignment processed in a first alignment treatment direction substantially in parallel with an extending direction of the main pixel electrode. The second substrate includes a common electrode arranged on both sides sandwiching the pixel electrode and extending substantially in parallel with the extending direction of the main pixel electrode. A sub-common electrode extends in a direction crossing the extending direction of the main pixel electrode on one end side of the main pixel electrode located on a starting side of the first alignment treatment direction. A second alignment film is alignment processed in a second alignment treatment direction substantially in the same direction as the first alignment treatment direction.

Abstract translation: 液晶显示装置包括第一和第二基板。 第一基板包括具有带状的主像素电极和覆盖像素电极的第一取向膜的像素电极。 第一取向膜在与主像素电极的延伸方向大致平行的第一取向处理方向上进行取向处理。 第二基板包括布置在夹着像素电极并且与主像素电极的延伸方向基本平行延伸的两侧的公共电极。 副公共电极在与位于第一取向处理方向的起始侧的主像素电极的一端侧上的主像素电极的延伸方向交叉的方向延伸。 第二取向膜在与第一取向处理方向大致相同方向的第二取向处理方向上进行取向处理。