公开(公告)号：US20220155645A1

公开(公告)日：2022-05-19

申请号：US17666620

申请日：2022-02-08

Applicant: Japan Display Inc.

Inventor： Takanori TSUNASHIMA

IPC: G02F1/1343 ,  G02F1/1335 ,  G09G3/36

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 camera overlaps the incident light control area. The display area includes a pixel electrode. The incident light control area includes a first control electrode which is different in shape from the pixel electrode, a second control electrode, and a common electrode. A voltage applied to the first control electrode and a voltage applied to the second control electrode are different in polarity from a common voltage applied to the common electrode.

公开(公告)号：US20210311366A1

公开(公告)日：2021-10-07

申请号：US17353066

申请日：2021-06-21

Applicant: Japan Display Inc.

Inventor： Takanori TSUNASHIMA

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1368

Abstract: According to one embodiment, an electronic apparatus includes a camera and a liquid crystal panel including a display portion which overlaps the camera. The liquid crystal panel includes a first transparent electrode which overlaps the camera and a light-shielding layer including a first opening having a circular shape and superposed on the first transparent electrode.

公开(公告)号：US20190229135A1

公开(公告)日：2019-07-25

申请号：US16371225

申请日：2019-04-01

Applicant: Japan Display Inc.

Inventor： Makoto UCHIDA ,  Takanori TSUNASHIMA

IPC: H01L27/12

CPC classification number: H01L27/1255 ,  H01L27/124

Abstract: According to one embodiment, a display device includes a pixel, a scanning line, a signal line, a pixel electrode, a first switching element, and a capacitance line producing capacitance together with the pixel electrode. The first switching element includes a first semiconductor layer connected to the signal line and the pixel electrode, and a first gate electrode opposed to the first semiconductor layer and connected to the scanning line. The capacitance line includes a first portion opposed to the scanning line and extending in an extension direction of the scanning line, a second portion connected to the first portion and opposed to the pixel electrode.

公开(公告)号：US20180286892A1

公开(公告)日：2018-10-04

申请号：US16002009

申请日：2018-06-07

Applicant: Japan Display Inc.

Inventor： Makoto UCHIDA ,  Takanori TSUNASHIMA

IPC: H01L27/12

CPC classification number: H01L27/1255 ,  H01L27/124

Abstract: According to one embodiment, a display device includes a pixel, a scanning line, a signal line, a pixel electrode, a first switching element, and a capacitance line producing capacitance together with the pixel electrode. The first switching element includes a first semiconductor layer connected to the signal line and the pixel electrode, and a first gate electrode opposed to the first semiconductor layer and connected to the scanning line. The capacitance line includes a first portion opposed to the scanning line and extending in an extension direction of the scanning line, a second portion connected to the first portion and opposed to the pixel electrode.

公开(公告)号：US20170373096A1

公开(公告)日：2017-12-28

申请号：US15631321

申请日：2017-06-23

Applicant: Japan Display Inc.

Inventor： Makoto UCHIDA ,  Takanori TSUNASHIMA

IPC: H01L27/12

CPC classification number: H01L27/1255 ,  H01L27/124

Abstract: According to one embodiment, a display device includes a pixel, a scanning line, a signal line, a pixel electrode, a first switching element, and a capacitance line producing capacitance together with the pixel electrode. The first switching element includes a first semiconductor layer connected to the signal line and the pixel electrode, and a first gate electrode opposed to the first semiconductor layer and connected to the scanning line. The capacitance line includes a first portion opposed to the scanning line and extending in an extension direction of the scanning line, a second portion connected to the first portion and opposed to the pixel electrode.

公开(公告)号：US20150248866A1

公开(公告)日：2015-09-03

申请号：US14635389

申请日：2015-03-02

Applicant: Japan Display Inc.

Inventor： Takanori TSUNASHIMA ,  Hirotaka HAYASHI

IPC: G09G3/36 ,  G09G3/34

CPC classification number: G09G3/3607 ,  G09G3/3611 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0456 ,  G09G2300/0852 ,  G09G2310/08

Abstract: According to one embodiment, a display device includes a unit pixel including a first pixel, a second pixel neighboring to the first pixel in a column direction, a third pixel neighboring to the first pixel in a row direction, and a fourth pixel neighboring to the second pixel in the row direction, a scanning line extending in the row direction and electrically connected to the first to fourth pixels, and first to fourth signal lines extending in the column direction and provided at intervals therebetween in the row direction, and the first to fourth signal lines are electrically connected to the first to fourth pixels, and video signal potentials for inverted drive applied to the first and second signal lines are inverted in polarity with respect to each other, and those to the third and fourth signal lines are inverted in polarity with respect to each other.

Abstract translation: 根据一个实施例，显示装置包括：单位像素，包括第一像素，与列方向上的第一像素相邻的第二像素，与行方向上的第一像素相邻的第三像素，以及与第一像素相邻的第四像素 行方向上的第二像素，沿行方向延伸并电连接到第一至第四像素的扫描线，以及沿列方向延伸并沿行方向间隔设置的第一至第四信号线，并且第一至第四像素 第四信号线电连接到第一至第四像素，并且施加到第一和第二信号线的用于反相驱动的视频信号电位相对于彼此的极性反转，并且到第三和第四信号线的视频信号电位在 极性相对于彼此。

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：US20230138390A1

公开(公告)日：2023-05-04

申请号：US18148056

申请日：2022-12-29

Applicant: Japan Display Inc.

Inventor： Takanori TSUNASHIMA ,  Masashi TSUBUKU ,  Makoto UCHIDA

IPC: H01L27/146 ,  H01L31/032 ,  H01L31/113

Abstract: According to one embodiment, an optical sensor device includes an insulating substrate, a first conductive layer and an optical sensor element disposed between the insulating substrate and the first conductive layer. The optical sensor element is electrically connected to the first conductive layer and covered by the first conductive layer. The optical sensor element includes a first semiconductor layer formed of an oxide semiconductor and controls an amount of charge flowing to the first conductive layer according to an amount of incident light to the first semiconductor layer.

公开(公告)号：US20230137257A1

公开(公告)日：2023-05-04

申请号：US18091388

申请日：2022-12-30

Applicant: Japan Display Inc.

Inventor： Masashi TSUBUKU ,  Takanori TSUNASHIMA ,  Marina MOCHIZUKI

IPC: H01L31/12 ,  G06F1/16 ,  H01L31/101

Abstract: A photo sensor circuit includes: a photo transistor; a first switching transistor; a second switching transistor; and a capacitance element. The photo transistor includes: a gate connected to a first wiring; a source connected to a second wiring; and a drain. The first switching transistor includes: a gate connected to a third wiring; a source connected to a fourth wiring; and a drain connected to the drain of the photo transistor. The capacitance element includes: a first terminal connected to the drain of the photo transistor; and a second terminal connected to the source of the first switching transistor. The second switching transistor includes: a gate connected to a gate line; a source connected to a signal line; and a drain connected to the first terminal of the capacitance element. The photo transistor, first switching transistor, and second transistor each include an oxide semiconductor layer as a channel layer.

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.