公开(公告)号：US11460727B2

公开(公告)日：2022-10-04

申请号：US17382581

申请日：2021-07-22

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：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：US10895782B2

公开(公告)日：2021-01-19

申请号：US16142926

申请日：2018-09-26

Applicant: Japan Display Inc.

Inventor： Tsutomu Harada ,  Shigenori Aoki ,  Koji Yoshida ,  Masayuki Mifune

IPC: G02F1/13357 ,  G02B27/01 ,  G09G3/32

Abstract: According to one embodiment, a display device includes a backlight device including a plurality of light sources, a display panel disposed to oppose the backlight device and incline with respect to a direction perpendicular to an optical axis of the backlight device and a diffusion plate provided between the display panel and the backlight device.

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.