公开(公告)号：US11624958B2

公开(公告)日：2023-04-11

申请号：US17214020

申请日：2021-03-26

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1335 ,  G02F1/1347 ,  B60R1/08 ,  B60R1/04

Abstract: A display device including optical sheet configured to transmit light linearly polarized in first polarization direction; first polarization member configured to absorb light linearly polarized in second polarization direction orthogonal to first polarization direction; front panel disposed between first polarization member and optical sheet, wherein optical sheet is disposed between front panel and display panel, and azimuth at which highest reflectance is obtained in reflective state in which incident light is reflected is azimuth at which highest transmittance is obtained in transmissive state in which incident light is transmitted.

公开(公告)号：US11199741B2

公开(公告)日：2021-12-14

申请号：US16995130

申请日：2020-08-17

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1335 ,  G02F1/135 ,  G02F1/1347

Abstract: According to an aspect, a display device includes: a coated polarization layer configured to absorb light linearly polarized in a second polarization direction perpendicular to a first polarization direction; an optical sheet configured to reflect light linearly polarized in the first polarization direction and transmit light linearly polarized in the second polarization direction; a front panel disposed between the coated polarization layer and the optical sheet and capable of changing a polarization direction of incident light into another polarization direction in accordance with a voltage applied to the front panel; and a display panel overlapping with the front panel with a polarization plate interposed therebetween, the polarization plate transmitting light linearly polarized in the second polarization direction to the optical sheet.

公开(公告)号：US20200379296A1

公开(公告)日：2020-12-03

申请号：US16995130

申请日：2020-08-17

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1335 ,  G02F1/135 ,  G02F1/1347

Abstract: According to an aspect, a display device includes: a coated polarization layer configured to absorb light linearly polarized in a second polarization direction perpendicular to a first polarization direction; an optical sheet configured to reflect light linearly polarized in the first polarization direction and transmit light linearly polarized in the second polarization direction; a front panel disposed between the coated polarization layer and the optical sheet and capable of changing a polarization direction of incident light into another polarization direction in accordance with a voltage applied to the front panel; and a display panel overlapping with the front panel with a polarization plate interposed therebetween, the polarization plate transmitting light linearly polarized in the second polarization direction to the optical sheet.

公开(公告)号：US12292656B2

公开(公告)日：2025-05-06

申请号：US18416396

申请日：2024-01-18

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1343 ,  G02F1/1333

Abstract: According to an aspect, an electro-optical device includes: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed facing the first substrate; a second electrode disposed on the second substrate and facing the first electrode; and a liquid crystal layer provided between the first electrode and the second electrode. The second electrode includes a plurality of divided electrodes arranged in a first direction. Two divided electrodes adjacent to each other among the divided electrodes are disposed with a slit interposed between the two divided electrodes.

公开(公告)号：US12248221B2

公开(公告)日：2025-03-11

申请号：US17652793

申请日：2022-02-28

Applicant: Japan Display Inc.

Inventor： Koji Yoshida ,  Hirofumi Ohira ,  Soichiro Ohama ,  Toshihiko Tanaka

IPC: G02F1/1362 ,  B60K35/00 ,  B60K35/23 ,  G01K7/16 ,  G02B27/01 ,  G02F1/1335

Abstract: According to an aspect, a display device includes: a substrate having a display region; and a plurality of temperature detection wiring lines each having a conductive thin wiring line arranged at a position overlapping with the display region in plan view. A light shielding layer is arranged so as to extend in a first direction in the display region, and the conductive thin wiring line is arranged at a position overlapping with the light shielding layer and extends in the first direction along the light shielding layer in plan view.

公开(公告)号：US12158656B2

公开(公告)日：2024-12-03

申请号：US17472695

申请日：2021-09-13

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1335 ,  B60R1/08 ,  B60R1/12

Abstract: A display device includes a display panel, and a front panel overlapping with the display panel. The front panel includes a first substrate, and a second substrate located on an opposite side of the first substrate with respect to the display panel, the front panel has an active region capable of being switched between a display state in which an image is displayed and a reflection state in which a reflected image is provided, and a frame region around the active region, and a metal layer is arranged in the frame region of the second substrate.

公开(公告)号：US11073713B2

公开(公告)日：2021-07-27

申请号：US16773470

申请日：2020-01-27

Applicant: Japan Display Inc.

Inventor： Koji Yoshida ,  Hirofumi Ohira ,  Soichiro Ohama ,  Toshihiko Tanaka

IPC: G02F1/1333 ,  G02F1/1362

Abstract: According to an aspect, a display device includes: a substrate having a display region; a shield conductive layer provided above the substrate; and a plurality of wiring units for temperature detection disposed at positions overlapping with the display region and the shield conductive layer when seen in a plan view. Each wiring unit for temperature detection has one end coupled to a first wire and the other end coupled to a second wire to detect resistance that changes in accordance with a change in temperature, between the first wire and the second wire.

公开(公告)号：US10962848B2

公开(公告)日：2021-03-30

申请号：US16057949

申请日：2018-08-08

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1335 ,  G02F1/1347 ,  B60R1/08 ,  B60R1/04

Abstract: According to an aspect, a display device capable of displaying an image both in a reflective state in which incident light is reflected and in a transmissive state in which incident light is transmitted, the display device includes: a display panel disposed such that a second direction orthogonal to a first direction on a planar surface of the display panel is closer to parallel to a vertical direction than the first direction is. An azimuth at which the highest reflectance is obtained in the reflective state in which incident light is reflected is at a lower side in the vertical direction and between the first direction and the second direction.

公开(公告)号：US10747049B2

公开(公告)日：2020-08-18

申请号：US15936905

申请日：2018-03-27

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: G02F1/1335 ,  G02F1/135 ,  G02F1/1347

Abstract: According to an aspect, a display device includes: a coated polarization layer configured to absorb light linearly polarized in a second polarization direction perpendicular to a first polarization direction; an optical sheet configured to reflect light linearly polarized in the first polarization direction and transmit light linearly polarized in the second polarization direction; a front panel disposed between the coated polarization layer and the optical sheet and capable of changing a polarization direction of incident light into another polarization direction in accordance with a voltage applied to the front panel; and a display panel overlapping with the front panel with a polarization plate interposed therebetween, the polarization plate transmitting light linearly polarized in the second polarization direction to the optical sheet.

公开(公告)号：US20140232975A1

公开(公告)日：2014-08-21

申请号：US14178935

申请日：2014-02-12

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Akio Ota

IPC: G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/136286 ,  G02F1/13394

Abstract: According to an aspect, a display device includes: a first substrate; a second substrate arranged opposite to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a plurality of pixels arranged in a matrix on the first substrate; a first scan line arranged between a first row of the pixels and a second row of the pixels adjacent to the first row; a second scan line arranged between the second row of the pixels and the first scan line; and a spacer for maintaining a gap between the first substrate and the second substrate. A first area on which the spacer is disposed overlaps at least part of a second area partitioned by the first scan line and the second scan line.

Abstract translation: 根据本发明，显示装置包括：第一基板; 与第一基板相对布置的第二基板; 介于所述第一基板和所述第二基板之间的液晶层; 在所述第一基板上以矩阵形式布置的多个像素; 布置在所述像素的第一行和与所述第一行相邻的所述像素的第二行之间的第一扫描线; 布置在所述第二行像素和所述第一扫描线之间的第二扫描线; 以及用于保持第一基板和第二基板之间的间隙的间隔件。 间隔件设置在其上的第一区域与由第一扫描线和第二扫描线分隔的第二区域的至少一部分重叠。