公开(公告)号：US20240377681A1

公开(公告)日：2024-11-14

申请号：US18660333

申请日：2024-05-10

Applicant: Japan Display Inc. ,  OSAKA UNIVERSITY

Inventor： Koichi IGETA ,  Ayaka HIGUCHI ,  Junji KOBASHI ,  Yasushi TOMIOKA ,  Shinichiro OKA ,  Hiroyuki YOSHIDA

IPC: G02F1/1337 ,  G02F1/1335

Abstract: According to one embodiment, an alignment processing device includes a light source, a polarizing beam splitter, a first optical system, a second optical system, a first retardation film, a second retardation film, a moving mechanism configured to move a processing substrate in which a thin film is formed, and a controller. Interfering light is formed in an exposure area by first circularly polarized light and second circularly polarized light. The controller performs control so as to repeat a process of exposing part of an area of the thin film by the interfering light and a process of moving the processing substrate.

公开(公告)号：US20240377676A1

公开(公告)日：2024-11-14

申请号：US18656871

申请日：2024-05-07

Applicant: Japan Display Inc.

Inventor： Yoshikatsu IMAZEKI ,  Yoichi KAMIJO ,  Yoshifumi KAMEI ,  Koichi MIYASAKA ,  Shuichi OSAWA

IPC: G02F1/1335

Abstract: A display device includes a display panel having a display surface having a display region where an image is displayed and an opposite surface on an opposite side of the display surface, a color separation element placed on the opposite surface side of the display panel and configured to disperse light from a light source and to emit, to the display panel, a plurality of rays of separated light with wavelengths different from each other, and an adhesive portion bonding the display panel to the color separation element. The adhesive portion forms a space portion overlapping the display region in plan view of the display surface and also has a plurality of side walls forming a communicating passage through which the space portion communicates with an atmosphere, and the communicating passage has a labyrinth structure.

公开(公告)号：US20240377267A1

公开(公告)日：2024-11-14

申请号：US18657982

申请日：2024-05-08

Applicant: Japan Display Inc.

Inventor： Hiroumi KINJO

IPC: G01L1/20

Abstract: A load detection device includes a force detector and an elastic deformation part disposed in order in a first direction. The force detector includes an array substrate provided with a plurality of array electrodes on a first surface facing the first direction, and a sensor layer facing the array electrodes.

公开(公告)号：US12143379B2

公开(公告)日：2024-11-12

申请号：US17488295

申请日：2021-09-29

Applicant: Japan Display Inc.

Inventor： Masahiro Tada ,  Takashi Nakamura ,  Akio Takimoto ,  Tomokatsu Kinugawa

IPC: H04L9/40 ,  G06F3/041 ,  G06V10/141 ,  G06V40/12 ,  G06V40/13

Abstract: A biometric authentication system is a biometric authentication system having a detection device and an authentication device performing personal authentication. The detection device has a plurality of sensor elements, a plurality of gate lines and a plurality of signal lines provided in correspondence with the sensor elements, and gate line drive circuit scanning the gate lines.

公开(公告)号：US20240369894A1

公开(公告)日：2024-11-07

申请号：US18648890

申请日：2024-04-29

Applicant: Japan Display Inc.

Inventor： Yoshikazu HASHIBA ,  Keita SASANUMA

IPC: G02F1/163

Abstract: According to an aspect, an electrochromic device, includes: two electrodes facing each other in a first direction with an electrochromic material therebetween; an operational amplifier circuit an output of which is coupled to one of the two electrodes; a first wiring line coupled to a positive power supply coupling part of the operational amplifier circuit; a second wiring line provided as a transmission line for the output; a first contact coupling the first wiring line to a light-transmissive conductor layer configured to transmit a positive power supply potential of the operational amplifier circuit; and a second contact coupling the second wiring line to the one electrode. A distance between the first contact and the second contact in a second direction is larger than a distance between a part of the first wiring line and a part of the second wiring line that are aligned in parallel in the second direction.

公开(公告)号：US12135457B2

公开(公告)日：2024-11-05

申请号：US18430928

申请日：2024-02-02

Applicant: Japan Display Inc. ,  OSAKA UNIVERSITY

Inventor： Koichi Igeta ,  Shinichiro Oka ,  Yasushi Tomioka ,  Junji Kobashi ,  Hiroyuki Yoshida

IPC: G02B6/27 ,  G02F1/13

Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, a liquid crystal layer which overlaps the alignment film, which includes cholesteric liquid crystals, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, and a transparent first protective layer which overlaps the liquid crystal layer, and which is formed of a water-soluble polymer or a fluorine-based resin.

公开(公告)号：US20240365600A1

公开(公告)日：2024-10-31

申请号：US18625235

申请日：2024-04-03

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hideyuki TAKAHASHI

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: According to one embodiment, a display device includes a substrate, an organic insulating layer provided over a display area and a surrounding area above the substrate, a lower electrode provided on the organic insulating layer in the display area, an organic layer provided on the lower electrode and including a light emitting layer, an upper electrode provided on the organic layer, and a first partition provided in the surrounding area and including a first lower portion and a first upper portion which is provided on the first lower portion and protrudes from a side surface of the first lower portion. The organic insulating layer includes a removed portion along an outer edge of the substrate in the surrounding area. The first partition is provided in the removed portion.

公开(公告)号：US20240365599A1

公开(公告)日：2024-10-31

申请号：US18623155

申请日：2024-04-01

Applicant: Japan Display Inc.

Inventor： Shinichi KAWAMURA

IPC: H10K59/122 ,  H10K59/12 ,  H10K102/00 ,  H10K102/10

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K2102/103 ,  H10K2102/351

Abstract: According to one embodiment, a display device includes a lower electrode, a rib which covers a first portion of the lower electrode and includes a pixel aperture overlapping a second portion of the lower electrode, a partition which includes a bottom portion disposed on the rib, an axis portion disposed on the bottom portion, and a top portion disposed on the axis portion and protruding from a side surface of the axis portion, an organic layer which covers the lower electrode through the pixel aperture and an upper electrode which covers the organic layer and is in contact with the bottom portion. The thickness of the first portion of the lower electrode is different from the thickness of the second portion of the lower electrode.

公开(公告)号：US20240361648A1

公开(公告)日：2024-10-31

申请号：US18771627

申请日：2024-07-12

Applicant: Japan Display Inc.

Inventor： Yoshifumi KAMEI ,  Yoshikatsu IMAZEKI ,  Yoichi KAMIJO ,  Koichi MIYASAKA ,  Shuichi OSAWA

IPC: G02F1/1345 ,  G02F1/1343 ,  G02F1/136

CPC classification number: G02F1/1345 ,  G02F1/13439 ,  G02F1/136

Abstract: A light adjustment device includes a panel unit in which a plurality of light adjustment panels are stacked in a first direction, each light adjustment panel including a first substrate and a second substrate, the first substrate including a first terminal, the second substrate overlapping the first substrate and including a second terminal, an external coupling wire coupled to at least one of the first and the second terminals, and a conductive member that is provided at an end part of the panel unit in a second direction intersecting the first direction and extends in the first direction.

公开(公告)号：US20240361645A1

公开(公告)日：2024-10-31

申请号：US18765740

申请日：2024-07-08

Applicant: JAPAN DISPLAY INC.

Inventor： Kojiro IKEDA ,  Takeo KOITO

IPC: G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/13439 ,  G02F1/1347

Abstract: According to one embodiment, each of a first liquid crystal to a fourth liquid crystal cell includes a first strip electrode, a second strip electrode, a third strip electrode, and a fourth strip electrode, the first strip electrode to the fourth strip electrode of the first liquid crystal cell and the first strip electrode to the fourth strip electrode of the third liquid crystal cell have a first shape, and the first strip electrode to the fourth strip electrode of the second liquid crystal cell and the first strip electrode to the fourth strip electrode of the fourth liquid crystal cell have a second shape that is different from the first shape.