公开(公告)号：US11322722B2

公开(公告)日：2022-05-03

申请号：US17015145

申请日：2020-09-09

Applicant: Japan Display Inc.

Inventor： Jun Fujiyoshi ,  Kazuto Tsuruoka

IPC: H01L29/22 ,  H01L51/52 ,  H01L51/00 ,  H01L27/32

Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.

公开(公告)号：US11320687B2

公开(公告)日：2022-05-03

申请号：US17221907

申请日：2021-04-05

Applicant: Japan Display Inc.

Inventor： Yudai Numata

IPC: G02F1/1335 ,  G02F1/1333

Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a first transparent substrate having a first main surface, a first opposite and a side surface, a second substrate including a second transparent substrate having a second main surface and a second opposite surface, and a liquid crystal layer located between the first substrate and the second substrate, a light emitting element opposed to the side surface, a third transparent substrate, and a transparent layer located between the display panel and the third transparent substrate and having a second refractive index that is lower than a first refractive index.

公开(公告)号：US11320683B2

公开(公告)日：2022-05-03

申请号：US17232922

申请日：2021-04-16

Applicant: Japan Display Inc.

Inventor： Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Yoshihiro Watanabe ,  Koichi Miyasaka ,  Shuichi Osawa

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1345

Abstract: According to one embodiment, a display device includes a first substrate including an electrode, a second substrate including a substrate edge, a transparent conductive film including an extended portion, an optical element adhered to the transparent conductive film, and a connecting member. The connecting member is in contact with the substrate edge and electrically connects the electrode and the extended portion. The optical element includes a penetration portion. The penetration portion and the connecting member are arranged in a direction intersecting an extending direction of the substrate edge.

公开(公告)号：US20220132667A1

公开(公告)日：2022-04-28

申请号：US17568009

申请日：2022-01-04

Applicant: Japan Display Inc.

Inventor： Youhei IWAI ,  Hideaki ABE

IPC: H05K1/14 ,  H05K1/02 ,  H05K1/03

Abstract: An electronic device comprising: a substrate having a curved surface, a printed circuit board, and plural flexible wiring substrates, each of two of the plural flexible substrates has a terminal portion that is connected to the curved surface, the printed circuit board has a cutout between the two flexible wiring substrates.

公开(公告)号：US20220128857A1

公开(公告)日：2022-04-28

申请号：US17646879

申请日：2022-01-04

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Toshiyuki HIGANO

IPC: G02F1/1335

Abstract: The purpose of the present invention is to reduce moiré with suppressing a decrease in screen luminance in the liquid crystal display device. A representative structure is as follows. A liquid crystal display device including: a first liquid crystal display panel having a first pixel; a second liquid crystal display panel having a second pixel; a back light; and a diffusion layer disposed between the first liquid crystal display panel and the second liquid crystal display panel, in which the second liquid crystal display panel is nearer to the backlight than the first liquid crystal display panel is; a resin light shading film is formed to surround the first pixel in a plan view in the first liquid crystal display panel, and a metal light shading film is formed to surround the second pixel in a plan view in the second liquid crystal display panel.

公开(公告)号：US20220128852A1

公开(公告)日：2022-04-28

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

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：US20220128847A1

公开(公告)日：2022-04-28

申请号：US17570553

申请日：2022-01-07

Applicant: Japan Display Inc.

Inventor： Masumi NISHIMURA ,  Shinichiro OKA

IPC: G02F1/1339 ,  H01L51/52 ,  G02F1/1333

Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.

公开(公告)号：US11315979B2

公开(公告)日：2022-04-26

申请号：US17018437

申请日：2020-09-11

Applicant: Japan Display Inc.

Inventor： Osamu Itou

IPC: H01L27/15 ,  G02B5/02

Abstract: According to an aspect, a display device includes: a substrate; a plurality of pixels; a first anisotropic diffusion layer and a second anisotropic diffusion layer that are layered; and a plurality of light emitting elements interposed between the first anisotropic diffusion layer and the substrate. The first anisotropic diffusion layer and the second anisotropic diffusion layer each include a high refractive index region and a low refractive index region in a mixed manner. An absolute value of a first angle formed by a boundary between the high refractive index region and the low refractive index region of the first anisotropic diffusion layer and a direction perpendicular to the substrate is different from an absolute value of a second angle formed by a boundary between the high refractive index region and the low refractive index region of the second anisotropic diffusion layer and the direction perpendicular to the substrate.

公开(公告)号：US20220113460A1

公开(公告)日：2022-04-14

申请号：US17450479

申请日：2021-10-11

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Junji KOBASHI ,  Koichi OKUDA ,  Ken ONODA ,  Hiroaki KIJIMA

IPC: G02B5/30

Abstract: According to one embodiment, a display device includes a display panel configured to emit display light of linearly polarized light, a first semi-transparent element transmitting first circularly polarized light and reflecting second circularly polarized light, a first retardation film, a second semi-transparent element reflecting the first circularly polarized light and transmitting the second circularly polarized light, a second retardation film having a refractive anisotropy in which refractive indexes of directions orthogonal to each other in a plane are substantially equivalent to each other and a refractive index in a normal is different from a refractive index in a plane, and a first element having a lens action of condensing the second circularly polarized light.

公开(公告)号：US11301075B2

公开(公告)日：2022-04-12

申请号：US17186103

申请日：2021-02-26

Applicant: JAPAN DISPLAY INC.

Inventor： Chihiro Tanaka ,  Naoki Takada ,  Toshihiko Tanaka ,  Hayato Kurasawa ,  Koji Ishizaki ,  Tatsuya Wakimoto ,  Masaki Miyatake

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/044 ,  G02F1/1339

Abstract: According to one embodiment, a touch detection device includes first detection electrodes in a detection area, second detection electrodes in the detection area, extending to intersect the first detection electrodes, first control lines connected to the first detection electrodes, respectively, and provided in a non-detection area, and second control lines connected to the second detection electrodes, respectively, and provided in the non-detection area. The second control lines overlap the first control lines at a plurality of positions as seen in plan view, such that areas of overlapping portions in which the first control lines overlap the second control lines are substantially equalized.