公开(公告)号：US20150378222A1

公开(公告)日：2015-12-31

申请号：US14754185

申请日：2015-06-29

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Keiji TAKIZAWA ,  Toshinori UEHARA

IPC: G02F1/1343 ,  G02F1/1335

CPC classification number: G02F1/134363 ,  G02F1/133514 ,  G02F2001/134345

Abstract: According to an aspect, a liquid crystal display device includes: a first substrate; a second substrate; a liquid crystal layer between the first and second substrates; pixels each including sub-pixels corresponding to different color areas; a first electrode in each sub-pixel; and a second electrode facing the first electrode. The first electrode includes an electrode base portion extending in a first direction; and a plurality of comb tooth portions extending in a second direction from the electrode base portion. A slit pitch of a sub-pixel in one color area and a slit pitch of a sub-pixel in the other color area of at least two color areas out of different color areas are different in size, each slit pitch corresponding to a gap between the comb tooth portions adjacent to each other.

Abstract translation: 根据一方面，液晶显示装置包括：第一基板; 第二基板; 第一和第二基板之间的液晶层; 每个像素包括对应于不同颜色区域的子像素; 每个子像素中的第一电极; 以及面向第一电极的第二电极。 第一电极包括沿第一方向延伸的电极基部; 以及从电极基部沿第二方向延伸的多个梳齿部。 一个颜色区域中的子像素的狭缝间距和不同颜色区域中的至少两个颜色区域的另一个颜色区域中的子像素的狭缝间距是不同的，每个狭缝间距对应于 梳齿部彼此相邻。

公开(公告)号：US20250147365A1

公开(公告)日：2025-05-08

申请号：US18937300

申请日：2024-11-05

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA ,  Yuji MAEDE

IPC: G02F1/1343

Abstract: A liquid crystal panel includes two substrates and a liquid crystal between the two substrates. A first substrate as one of the two substrates includes: a potential gradient forming section having an outer periphery edge having a circular shape; a first electrode provided on an inner periphery side of the potential gradient forming section; a second electrode provided on an outer periphery side of the potential gradient forming section and having a ring-like shape; a first transmission section provided with a potential; a second transmission section provided with another potential; a first contact coupling the first electrode and the first transmission section; and a second contact coupling the second electrode and the second transmission section. The potential gradient forming section is made of a conductor having an electrical resistance higher than those of the first and second electrodes. A plurality of the second contacts are provided for the second electrode.

公开(公告)号：US20240427199A1

公开(公告)日：2024-12-26

申请号：US18750122

申请日：2024-06-21

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

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

Abstract: According to one embodiment, an optical control element includes a base, an electrode provided on the base, a liquid crystal layer provided on the electrode, and a high-resistance layer having a resistance higher than that of the electrode and provided between the electrode and the liquid crystal layer, wherein the electrode overlaps the high-resistance layer in plan view, and a connection portion of the high resistance layer is in contact with the electrode.

公开(公告)号：US20240127762A1

公开(公告)日：2024-04-18

申请号：US18377927

申请日：2023-10-09

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Toshiharu MATSUSHIMA

IPC: G09G3/34 ,  G06F3/01 ,  G09G3/36

CPC classification number: G09G3/3406 ,  G06F3/013 ,  G09G3/3611 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2340/0435 ,  G09G2354/00

Abstract: According to an aspect, a display device includes: a display panel having a display region in which pixel rows are arranged in a second direction; a scanning circuit configured to supply a drive signal to scan the pixel rows; a light source configured to emit light toward the display panel; and a light source control circuit configured to control light emission timing of the light source. The display region is divided into regions in the second direction and includes a first region including two or more pixel rows consecutively arranged in the second direction, and a second region except for the first region. The scanning circuit sequentially scans the pixel rows in the first region, and simultaneously scans two or more pixel rows consecutively arranged in the second direction in the second region.

公开(公告)号：US20230296946A1

公开(公告)日：2023-09-21

申请号：US18184012

申请日：2023-03-15

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

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

CPC classification number: G02F1/136231 ,  G02F1/136286 ,  G02F1/134309 ,  G02F1/136213 ,  H01L27/124 ,  G02F2201/121 ,  G02F2201/123

Abstract: According to one embodiment, a display device includes a plurality of scanning lines, a plurality of signal lines, a plurality of pixels, a pixel electrode and a common electrode, wherein the pixel electrode includes a first trunk portion and a plurality of first branch portions extending from the first trunk portion, the common electrode includes a second trunk portion and a plurality of second branch portions extending from the second trunk portion, the plurality of first branch portions and the plurality of second branch portions are arranged alternately, and the signal lines and the pixel electrodes are formed of a same material and by a same process.

公开(公告)号：US20230273471A1

公开(公告)日：2023-08-31

申请号：US18195529

申请日：2023-05-10

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

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

CPC classification number: G02F1/13338 ,  G02F1/134363 ,  G06F3/0445 ,  G06F3/044 ,  G02F1/134318 ,  G02F1/134381

Abstract: A display device is provided and includes first substrate; first line extending in first direction on first substrate; second line extending in a second direction crossing the first lines; pixel electrode on the first substrate; insulating film on the pixel electrode; common electrode on the insulating film, including a first electrode arranged in a second direction and a plurality of second electrodes connected to the first electrode; second substrate facing first substrate; liquid crystal layer provided between first and second substrates; and wherein, in plan view, pixel electrode is rectangular in shape, and in plan view, part of first electrode overlaps second line.

公开(公告)号：US20230194941A1

公开(公告)日：2023-06-22

申请号：US18073594

申请日：2022-12-02

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Jin HIROSAWA

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

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

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：US20230079179A1

公开(公告)日：2023-03-16

申请号：US17991848

申请日：2022-11-22

Applicant: Japan Display Inc.,

Inventor： Toshiharu MATSUSHIMA

IPC: G02F1/13 ,  G02F1/133 ,  G02F1/1335

Abstract: According to one embodiment, a display system includes an external light sensor, a display panel, a viewing angle control panel including a liquid crystal layer containing liquid crystal molecules twist-aligned, configured such that a drive voltage applied to the liquid crystal layer is controlled based on an external light intensity detected by the external light sensor, and a polarization axis rotation element disposed between the viewing angle control panel and the display panel. The drive voltage when the external light intensity is less than a threshold value is greater than the drive voltage when the external light intensity is greater or equal to than the threshold value.

公开(公告)号：US20220326574A1

公开(公告)日：2022-10-13

申请号：US17714179

申请日：2022-04-06

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

IPC: G02F1/13363 ,  G02F1/1335

Abstract: According to one embodiment, a display device includes a first viewing angle control panel including a first liquid crystal molecule, a second viewing angle control panel including a second liquid crystal molecule, and a polarization axis rotating element. An initial alignment direction of the first liquid crystal molecule is substantially orthogonal to an initial alignment direction of the second liquid crystal molecule. A second polarization component transmitted through the first viewing angle control panel includes a second polarization axis. A third polarization component transmitted through the second viewing angle control panel includes a third polarization axis. The polarization axis rotating element rotates the third polarization axis to align the third polarization axis with the second polarization axis.

公开(公告)号：US20220269128A1

公开(公告)日：2022-08-25

申请号：US17740516

申请日：2022-05-10

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/1343 ,  B60K35/00

Abstract: According to one embodiment, a display device including a display panel, a viewing angle control panel and a polarizing axis rotation element, wherein the display panel includes a first liquid crystal layer which modulates a first polarization component, the viewing angle control panel includes a second liquid crystal layer containing twist-aligned liquid crystal molecules, a second polarizing axis of a second polarization component transmitted through the viewing angle control panel is different from a first polarizing axis of the first polarization component, and the polarizing axis rotates element rotating the second polarizing axis such that the second polarizing axis is aligned with the first polarizing axis.