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：US11841582B2

公开(公告)日：2023-12-12

申请号：US17144804

申请日：2021-01-08

Applicant: Japan Display Inc.

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

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

CPC classification number: G02F1/133606 ,  G02B27/0101 ,  G02F1/133603 ,  G02B2027/0121 ,  G02F1/133605 ,  G09G3/32 ,  G09G2320/066

Abstract: A display device is provided and including 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; a first diffusion plate between the display panel and the backlight device; and a second diffusion plate arranged at a predetermined angle with respect to the first diffusion plate.

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：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：US11294173B2

公开(公告)日：2022-04-05

申请号：US16201330

申请日：2018-11-27

Applicant: Japan Display Inc.

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

IPC: G02B27/01 ,  G02F1/13357 ,  G02F1/1335 ,  F21V8/00 ,  G02F1/1333

Abstract: According to one embodiment, a display device includes a display panel, a backlight device including a plurality of light sources, to irradiate light to the display panel, and an optical element provided on an emission side of the display panel and inclined with respect to a direction perpendicular to an optical axis of the display panel.

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.