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：US11249335B2

公开(公告)日：2022-02-15

申请号：US17167087

申请日：2021-02-04

Applicant: Japan Display Inc.

Inventor： Koji Yoshida ,  Hirofumi Ohira ,  Soichiro Ohama ,  Naoki Takada ,  Takayuki Nakanishi

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/155 ,  G02F1/163

Abstract: The display device includes a display panel and a front surface panel that is superimposed with the display panel, and that is switched between a reflective state in which incident light is reflected and a transmissive state in which incident light is transmitted. The front surface panel can detect presence of an object to be detected.

公开(公告)号：US09188824B2

公开(公告)日：2015-11-17

申请号：US14178935

申请日：2014-02-12

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Akio Ota

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1339

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。

公开(公告)号：US11874570B2

公开(公告)日：2024-01-16

申请号：US18184725

申请日：2023-03-16

Applicant: Japan Display Inc.

Inventor： Yosuke Hyodo ,  Shinichiro Oka ,  Hirofumi Ohira

IPC: G02F1/1347 ,  G02F1/1339 ,  G02F1/1362 ,  G02F1/1343 ,  G09G3/36

CPC classification number: G02F1/1347 ,  G02F1/1339 ,  G02F1/134309 ,  G02F1/136209 ,  G02F1/136286 ,  G09G3/3677 ,  G02F2203/48 ,  G09G2320/0626

Abstract: According to one embodiment, a display device includes a first display panel, a second display panel and an adhesive layer which adheres the first and second display panels. The first display panel includes a first scanning line, a first signal line, a first pixel electrically connected to the first scanning line and the first signal line, and the first pixel includes a first pixel electrode including first line portions extending parallel to the first signal line. The second display panel includes a second scanning line, a second signal line, and a second pixel electrically connected to the second scanning line and the second signal line, and the second pixel includes a second pixel electrode including second line portions intersecting the second signal line in plan view.

公开(公告)号：US11668967B2

公开(公告)日：2023-06-06

申请号：US17568751

申请日：2022-01-05

Applicant: Japan Display Inc.

Inventor： Koji Yoshida ,  Hirofumi Ohira ,  Soichiro Ohama ,  Naoki Takada ,  Takayuki Nakanishi

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/155 ,  G02F1/163

CPC classification number: G02F1/13338 ,  G02F1/137 ,  G02F1/13439 ,  G02F1/134327 ,  G02F1/155 ,  G02F1/163

Abstract: The display device includes a display panel and a front surface panel that is superimposed with the display panel, and that is switched between a reflective state in which incident light is reflected and a transmissive state in which incident light is transmitted. The front surface panel can detect presence of an object to be detected.

公开(公告)号：US11340509B2

公开(公告)日：2022-05-24

申请号：US17197419

申请日：2021-03-10

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira

IPC: G02F1/137 ,  B60R1/12 ,  G02F1/1343 ,  H01C13/00

Abstract: A display device includes a display panel, and a front panel overlapping with the display panel and being switched into a reflection state in which incident light is reflected and a transmission state in which incident light is transmitted. The front panel includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer sealed between the first substrate and the second substrate, a first translucent electrode provided on a side of the first substrate on which the liquid crystal layer is located, a second translucent electrode provided on a side of the second substrate on which the liquid crystal layer is located, a discharge resistor that is electrically coupled to the second translucent electrode and is provided on the second substrate, and a first conductive pillar that electrically couples the first translucent electrode and the discharge resistor.

公开(公告)号：US10682959B2

公开(公告)日：2020-06-16

申请号：US16052771

申请日：2018-08-02

Applicant: Japan Display Inc.

Inventor： Hirofumi Ohira ,  Koji Yoshida

IPC: B60R1/12 ,  G02F1/1335 ,  G02F1/1343 ,  B60R1/04 ,  B60R11/04 ,  G02F1/1347

Abstract: According to an aspect, a display device includes: a first polarization member configured to absorb light linearly polarized in a second polarization direction orthogonal to a first polarization direction; an optical sheet configured to reflect light linearly polarized in the second polarization direction and transmit light linearly polarized in the first polarization direction; a front panel disposed between the first polarization member 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 second polarization member interposed therebetween, the second polarization member configured to transmit light linearly polarized in the second polarization direction to the optical sheet.

公开(公告)号：US12020656B2

公开(公告)日：2024-06-25

申请号：US18217803

申请日：2023-07-03

Applicant: Japan Display Inc.

Inventor： Takaya Hirose ,  Hirofumi Ohira ,  Makoto Ishikawa

IPC: G09G3/34 ,  G09G3/36

CPC classification number: G09G3/3426 ,  G09G3/3648 ,  G09G2300/023 ,  G09G2320/0233 ,  G09G2320/0276 ,  G09G2320/0626 ,  G09G2320/0686

Abstract: According to an aspect, a display device includes: a display panel having a display area including pixels; a light source device configured to emit light from an emission area overlapping the display area toward the display panel; a dimming panel between the display panel and the light source device and configured to adjust brightness of emission light emitted from the emission area; and a drive circuit configured to drive the dimming panel. The emission area has a first emission area and a second emission area. The drive circuit is configured to, when gradation values of first pixels corresponding to the first emission area are equal to gradation values of second pixels corresponding to the second emission area, make transmittance of a second dimming area corresponding to the second pixels higher than that of a first dimming area corresponding to the first pixels in the dimming area.

公开(公告)号：US11630356B2

公开(公告)日：2023-04-18

申请号：US17664721

申请日：2022-05-24

Applicant: Japan Display Inc.

Inventor： Yosuke Hyodo ,  Shinichiro Oka ,  Hirofumi Ohira

IPC: G02F1/1343 ,  G02F1/1347 ,  G02F1/1339 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a first display panel, a second display panel and an adhesive layer which adheres the first and second display panels. The first display panel includes a first scanning line, a first signal line, a first pixel electrically connected to the first scanning line and the first signal line, and the first pixel includes a first pixel electrode including first line portions extending parallel to the first signal line. The second display panel includes a second scanning line, a second signal line, and a second pixel electrically connected to the second scanning line and the second signal line, and the second pixel includes a second pixel electrode including second line portions intersecting the second signal line in plan view.

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.