公开(公告)号：US20240071128A1

公开(公告)日：2024-02-29

申请号：US18501351

申请日：2023-11-03

Applicant: Japan Display Inc. ,  The University of Tokyo

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

IPC: G06V40/13 ,  A61B5/1172 ,  G06F21/32 ,  G06V40/12 ,  G06V40/145

CPC classification number: G06V40/1324 ,  A61B5/1172 ,  G06F21/32 ,  G06V40/1341 ,  G06V40/1365 ,  G06V40/145

Abstract: A detection device includes a plurality of optical sensors arranged in a detection area, a light source configured to emit light that is emitted to an object to be detected and is detected by the optical sensors, and a processor configured to perform processing based on outputs from the optical sensors. The processor is configured to determine, based on the outputs of the respective optical sensors obtained at a cycle of a predetermined period, an optical sensor an output of which is to be employed from among the optical sensors.

公开(公告)号：US20230221601A1

公开(公告)日：2023-07-13

申请号：US18122226

申请日：2023-03-16

Applicant: Japan Display Inc.

Inventor： Yoshiro AOKI ,  Akio TAKIMOTO ,  Hiroyuki KIMURA ,  Miharu MATSUSHIMA ,  Hirondo NAKATOGAWA ,  Hitoshi TANAKA

IPC: G02F1/1343 ,  G03B9/02

CPC classification number: G02F1/134309 ,  G03B9/02 ,  G03B30/00

Abstract: According to one embodiment, a camera module includes an imaging device, a liquid crystal panel having an incident light control area, and a lens. The liquid crystal panel has a plurality of electrodes located in the incident light control area. The imaging device acquires information of light transmitted through the incident light control area of the liquid crystal panel and the lens.

公开(公告)号：US20220082883A1

公开(公告)日：2022-03-17

申请号：US17533705

申请日：2021-11-23

Applicant: Japan Display Inc.

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

IPC: G02F1/1333 ,  G02F1/29 ,  F21V8/00 ,  G02F1/1335 ,  H04N5/225

Abstract: According to one embodiment, an electronic equipment includes a liquid crystal panel including a display portion, a polarizer superposed on the display portion, and a detection element superposed on the liquid crystal panel and the polarizer to detect infrared rays through the liquid crystal panel and the polarizer.

公开(公告)号：US20210240963A1

公开(公告)日：2021-08-05

申请号：US17233650

申请日：2021-04-19

Applicant: Japan Display Inc.

Inventor： Takashi NAKAMURA ,  Makoto UCHIDA ,  Takanori TSUNASHIMA ,  Hirofumi KATO ,  Akio TAKIMOTO

IPC: G06K9/00

Abstract: A fingerprint detection device includes a substrate, a plurality of photoelectric conversion elements that are provided to the substrate and each output a signal corresponding to light emitted thereto, a plurality of signal lines coupled to the photoelectric conversion elements, a detection circuit that is electrically coupled to the photoelectric conversion elements through the signal lines, and a signal line selection circuit that switches the number of the signal lines to be coupled to the one detection circuit.

公开(公告)号：US20240290131A1

公开(公告)日：2024-08-29

申请号：US18659231

申请日：2024-05-09

Applicant: Japan Display Inc.

Inventor： Kazuki MATSUNAGA ,  Akio TAKIMOTO ,  Shigesumi ARAKI

IPC: G06V40/13 ,  G06V40/145

CPC classification number: G06V40/13 ,  G06V40/145

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 that are provided on the light guide plate and configured to scatter light from the light source; an optical filter layer including at least one light-blocking layer that has a plurality of openings; and a plurality of lenses provided such that each of the photodiodes overlaps more than one of the lenses in plan view.

公开(公告)号：US20240290130A1

公开(公告)日：2024-08-29

申请号：US18659195

申请日：2024-05-09

Applicant: Japan Display Inc.

Inventor： Shigesumi ARAKI ,  Kazuki MATSUNAGA ,  Akio TAKIMOTO

IPC: G06V40/13 ,  G06V40/145

CPC classification number: G06V40/13 ,  G06V40/145 ,  G06V2201/03

Abstract: According to an aspect, a detection device includes: photodiodes arranged on a substrate; and a front light comprising a light guide plate disposed so as to overlap the photodiodes, a first light source configured to emit first light to a first side surface of the light guide plate, a second light source configured to emit second light having the same wavelength as that of the first light to a second side surface of the light guide plate opposite to the first side surface, a third light source configured to emit third light having a wavelength different from that of the first light to a third side surface of the light guide plate different from the first and second side surfaces, and scattering portions provided on the light guide plate and configured to scatter light from any of the first light source, the second light source, and the third light source.

公开(公告)号：US20230137206A1

公开(公告)日：2023-05-04

申请号：US18148072

申请日：2022-12-29

Applicant: Japan Display Inc.

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

IPC: G02F1/137 ,  F21V8/00 ,  G02F1/1335 ,  G09G3/36 ,  H04N23/57

Abstract: According to one embodiment, an electronic apparatus includes a camera, a first polarizer, a second polarizer, a liquid crystal panel, and a controller controlling the liquid crystal panel. The liquid crystal panel includes a first region and a second region. The controller controls a first opening mode of transmitting light through the first region and the second region, and a second opening mode of making a quantity of light transmitted through the first region smaller than a quantity of light transmitted through the second region.

公开(公告)号：US20220365389A1

公开(公告)日：2022-11-17

申请号：US17873310

申请日：2022-07-26

Applicant: Japan Display Inc.

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

IPC: G02F1/1335 ,  G02F1/1343

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：US20220190038A1

公开(公告)日：2022-06-16

申请号：US17687689

申请日：2022-03-07

Applicant: Japan Display Inc.

Inventor： Masahiro TADA ,  Takashi NAKAMURA ,  Akio TAKIMOTO

IPC: H01L27/28 ,  H01L31/0475 ,  G01J1/16 ,  H01L27/30 ,  H01L51/42 ,  G06V40/13

Abstract: According to an aspect of the present disclosure, a detection device includes: a substrate; a plurality of first optical sensors provided in a detection area of the substrate and comprising an organic material layer having a photovoltaic effect; and at least one or more second optical sensors provided on the substrate and comprising an inorganic material layer having a photovoltaic effect.

公开(公告)号：US20210382973A1

公开(公告)日：2021-12-09

申请号：US17405202

申请日：2021-08-18

Applicant: Japan Display Inc.

Inventor： Masahiro TADA ,  Takashi NAKAMURA ,  Akio TAKIMOTO

IPC: G06F21/32 ,  G06F3/0354 ,  G06F3/02 ,  G06K9/00

Abstract: A detection device includes an input unit configured to receive an operation of a user, and a sensor provided in the input unit and configured to detect biological information of the user when the user operates the input unit.