公开(公告)号：US20240288622A1

公开(公告)日：2024-08-29

申请号：US18659225

申请日：2024-05-09

Applicant: Japan Display Inc.

Inventor： Shigesumi ARAKI ,  Kazuki MATSUNAGA ,  Akio TAKIMOTO

IPC: F21V8/00 ,  G06V40/13 ,  H01L27/146

CPC classification number: G02B6/0043 ,  G06V40/1318 ,  H01L27/14625

Abstract: According to an aspect, a detection device includes: a plurality of photodiodes arranged on a substrate; a front light including a light guide plate disposed so as to overlap the photodiodes, a light source configured to emit light to a first side surface of the light guide plate, and a plurality of scattering portions provided on the light guide plate and configured to scatter light from the light source; and an optical filter layer provided between the photodiodes and the light guide plate of the front light. The optical filter layer includes a plurality of light guide paths that at least partially overlap the photodiodes, and a light-blocking portion having higher absorbance of the light than the light guide paths. The scattering portions are provided in an area overlapping the light-blocking portion of the optical filter layer on a surface of the light guide plate facing the optical filter layer.

公开(公告)号：US20220368785A1

公开(公告)日：2022-11-17

申请号：US17874355

申请日：2022-07-27

Applicant: Japan Display Inc.

Inventor： Yoshiro AOKI ,  Hiroyuki KIMURA ,  Akio TAKIMOTO

IPC: H04M1/02 ,  H04N5/225 ,  G02F1/1335

Abstract: According to one embodiment, an electronic device includes a light shutter panel including an incident light control area, an optical member including a lens and facing the incident light control area, and an imaging device configured to convert light which passed through the incident light control area of the light shutter panel and the optical member to image data. The incident light control area includes a first annular light-shielding area, a circular incident light control area surrounded by the first annular light-shielding area, and a plurality of annular incident light control areas located between the first annular light-shielding area and the circular incident light control area and having a multiple shape.

公开(公告)号：US20220163858A1

公开(公告)日：2022-05-26

申请号：US17666831

申请日：2022-02-08

Applicant: Japan Display Inc.

Inventor： Kazuhiro NISHIYAMA ,  Akio TAKIMOTO ,  Toshiki KANEKO ,  Takuo KAITOH ,  Hiroyuki Kimura

IPC: G02F1/1362 ,  H04M1/02

Abstract: According to one embodiment, an electronic device includes a liquid crystal panel and a camera. The liquid crystal panel includes a display area and an incident light control area. The display area includes a pixel electrode. The camera overlaps the incident light control area. The incident light control area includes an annular line, and a control electrode formed inside the annular line to be connected to the annular line. A time to apply a voltage to the control electrode is shorter than a time to apply a voltage to the pixel electrode.

公开(公告)号：US20240170602A1

公开(公告)日：2024-05-23

申请号：US18425774

申请日：2024-01-29

Applicant: Japan Display Inc. ,  The University of Tokyo

Inventor： Hirofumi KATO ,  Takanori TSUNASHIMA ,  Makoto UCHIDA ,  Takashi NAKAMURA ,  Akio TAKIMOTO ,  Takao SOMEYA ,  Tomoyuki YOKOTA

IPC: H01L31/12 ,  G01J1/04 ,  G01J1/42 ,  G06T1/00 ,  G06V40/13 ,  H01L27/146 ,  H01L31/167

CPC classification number: H01L31/12 ,  G01J1/0492 ,  G01J1/4228 ,  G06T1/0007 ,  G06V40/1318 ,  H01L27/14612 ,  H01L27/14621 ,  H01L27/14636 ,  H01L31/167 ,  A61B2562/0233 ,  G06V40/14

Abstract: A detection device according to an aspect includes: a sensor base; a plurality of photoelectric conversion elements that are provided in a detection area of the sensor base and are configured to receive light incident thereon and output signals corresponding to the received light; a plurality of switching elements provided in the respective photoelectric conversion elements; a plurality of gate lines that are coupled to the switching elements and extend in a first direction; a first light source configured to emit first light having a first maximum emission wavelength; and a second light source configured to emit second light having a second maximum emission wavelength.

公开(公告)号：US20220320440A1

公开(公告)日：2022-10-06

申请号：US17655448

申请日：2022-03-18

Applicant: Japan Display Inc.

Inventor： Yasushi TOMIOKA ,  Akio TAKIMOTO

IPC: H01L51/00 ,  H01L51/44 ,  G06F3/042

Abstract: A method for manufacturing a photoelectric conversion element according to an aspect includes an active layer forming step of forming an active layer having a repeating unit represented by Chemical Formula 1. The active layer forming step includes: a first layer forming step of forming a first layer by applying polyamic acid serving as a precursor; a first heating step of heating the first layer at 120° C. for 20 minutes to 60 minutes; and a second heating step of heating the first layer at 230° C. to 280° C. for 10 minutes.

公开(公告)号：US20210374223A1

公开(公告)日：2021-12-02

申请号：US17444917

申请日：2021-08-12

Applicant: Japan Display Inc.

Inventor： Masahiro TADA ,  Takashi NAKAMURA ,  Akio TAKIMOTO

IPC: G06F21/32 ,  G06F3/041 ,  G06F3/0488 ,  G06K9/00

Abstract: A detection device comprising: an input unit configured to receive an operation of a user; a biosensor provided on the input unit and configured to detect biological information on the user; a position sensor configured to detect an operating position that is a position on the input unit where the user has performed the operation; and a controller, wherein the controller comprises: an operation determination unit configured to determine, based on the operating position detected by the position sensor, whether the user has operated the input unit along a predetermined trajectory; and a biological information acquirer configured to, when the user is determined to have operated the input unit along the predetermined trajectory, acquire, from the biosensor, the biological information on the user when the user has operated the input unit along the predetermined trajectory.

公开(公告)号：US20210374222A1

公开(公告)日：2021-12-02

申请号：US17444913

申请日：2021-08-12

Applicant: Japan Display Inc.

Inventor： Masahiro TADA ,  Takashi NAKAMURA ,  Akio TAKIMOTO

IPC: G06F21/32 ,  G06F21/35 ,  A61B5/1172 ,  A61B5/00 ,  G06K9/00

Abstract: A detection system includes a portable object that comprises a sensor configured to detect biological information on a user and is portable by the user, and a function execution device configured to acquire the biological information on the user detected by the sensor through communication, and execute a predetermined function based on an authentication result of the user associated with the biological information on the user.

公开(公告)号：US20210088842A1

公开(公告)日：2021-03-25

申请号：US17110374

申请日：2020-12-03

Applicant: Japan Display Inc.

Inventor： Akio TAKIMOTO ,  Toshiki KANEKO ,  Takuo KAITOH ,  Kazuhiro NISHIYAMA ,  Hiroyuki KIMURA

IPC: G02F1/1335 ,  G02F1/1333

Abstract: According to one embodiment, an electronic apparatus includes a camera, a liquid crystal panel including a display portion overlaid on the camera, a light guide having a first side surface and a main surface opposed to the liquid crystal panel and a first through hole, and a light source opposed to the first side surface. The camera is provided in the first through hole.

公开(公告)号：US20250060626A1

公开(公告)日：2025-02-20

申请号：US18935897

申请日：2024-11-04

Applicant: Japan Display Inc.

Inventor： Yoshiro AOKI ,  Akio TAKIMOTO ,  Nobuyuki SUZUKI ,  Yoshiomi YOSHII ,  Hirondo NAKATOGAWA

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1343 ,  H04M1/02 ,  H04N23/57

Abstract: According to one embodiment, an electronic device includes a liquid crystal panel and a camera. The liquid crystal panel includes a display area, an incident light control area, and an emitted light control area. The camera includes a light-entering surface and a light source. The liquid crystal panel is configured to selectively transmit visible light emitted from the light source in the emitted light control area and to selectively transmit visible light from outside in order to cause visible light to enter the camera from the outside in the incident light control area.

公开(公告)号：US20240180455A1

公开(公告)日：2024-06-06

申请号：US18437293

申请日：2024-02-09

Applicant: Japan Display Inc.

Inventor： Yasushi TOMIOKA ,  Akio TAKIMOTO ,  Hirofumi KATO ,  Takashi NAKAMURA ,  Chiharu KABURAGI ,  Hiroyuki KIMURA ,  Miharu MATSUSHIMA

IPC: A61B5/1455

CPC classification number: A61B5/14552 ,  A61B2562/0238 ,  A61B2562/0242

Abstract: According to an aspect, a transcutaneous muscle oxygen saturation detection device includes: a light source configured to emit light into a body; and a first light detector and a second light detector that are configured to detect reflected light reflected in the body. The second light detector is circumferentially displaced about the light source from a first imaginary line connecting the light source to the first light detector.