公开(公告)号：US11874566B2

公开(公告)日：2024-01-16

申请号：US17666620

申请日：2022-02-08

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G09G3/36

CPC classification number: G02F1/134309 ,  G02F1/13439 ,  G02F1/133512 ,  G09G3/3614 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2360/144

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：US11581358B2

公开(公告)日：2023-02-14

申请号：US16999214

申请日：2020-08-21

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima ,  Masashi Tsubuku ,  Makoto Uchida

IPC: H01L27/146 ,  H01L31/032 ,  H01L31/113 ,  H04N5/369

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：US11347124B2

公开(公告)日：2022-05-31

申请号：US17353066

申请日：2021-06-21

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1343 ,  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：US11158271B2

公开(公告)日：2021-10-26

申请号：US16030043

申请日：2018-07-09

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima ,  Yoshiro Aoki ,  Makoto Uchida

IPC: G09G3/36 ,  G09G5/10 ,  G02F1/133

Abstract: According to one embodiment, a driving method of a display device including a display area in which liquid crystal pixels are arranged in a matrix, a plurality of scanning lines arranged along display rows, a plurality of signal lines arranged along display columns, a backlight which illuminates the display area, and a controller which controls a display operation, the driving method includes via the controller, driving the scanning lines alternately from a center of the display area to both edges of the display area, outputting video data corresponding to a driven scanning line to the signal lines in synchronization with the driving of the scanning line, and turning on the backlight for a predetermined time after outputting the video data of one frame.

公开(公告)号：US10381386B2

公开(公告)日：2019-08-13

申请号：US16002009

申请日：2018-06-07

Applicant: Japan Display Inc.

Inventor： Makoto Uchida ,  Takanori Tsunashima

IPC: H01L27/12

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：US11854299B2

公开(公告)日：2023-12-26

申请号：US17500147

申请日：2021-10-13

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 ,  G06V40/12 ,  A61B5/1172 ,  G06F21/32 ,  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：US11710340B2

公开(公告)日：2023-07-25

申请号：US17940239

申请日：2022-09-08

Applicant: Japan Display Inc.

Inventor： Makoto Uchida ,  Takanori Tsunashima ,  Masahiro Tada ,  Tomoyuki Ito ,  Takashi Nakamura

IPC: G06V40/13 ,  H01L27/146 ,  G06F3/044

CPC classification number: G06V40/1318 ,  H01L27/14678 ,  G06F3/044

Abstract: A photodiode array is provided and includes insulating substrate; photodiodes arrayed in detection region of insulating substrate, photodiodes configured to output signal in accordance with light incident on photodiodes; first switching elements corresponding to photodiodes and including first semiconductor made of oxide semiconductor; gate lines coupled with first switching elements and extending in first direction; signal lines coupled with first switching elements and extending in second direction intersecting first direction; and gate line drive circuit including second switching element that includes second semiconductor made of polycrystalline silicone, gate line drive circuit being provided in peripheral region outside detection region and configured to drive gate lines, wherein photodiodes includes translucent conductive layer that is cathode, and translucent conductive layer overlaps none of signal lines in plan view.

公开(公告)号：US11450135B2

公开(公告)日：2022-09-20

申请号：US17033040

申请日：2020-09-25

Applicant: Japan Display Inc.

Inventor： Makoto Uchida ,  Takanori Tsunashima ,  Masahiro Tada ,  Tomoyuki Ito ,  Takashi Nakamura

IPC: G06V40/13 ,  H01L27/146 ,  G06F3/044

Abstract: A fingerprint detection apparatus comprising: an insulating substrate; a plurality of photoelectric conversion elements arrayed in a detection region of the insulating substrate, each of the photoelectric conversion elements configured to output a signal in accordance with light incident on each of the photoelectric conversion elements; first switching element, each corresponding to each of the photoelectric conversion elements and including a first semiconductor made of oxide semiconductor; a plurality of gate lines coupled with the first switching elements and extending in a first direction; a plurality of signal lines coupled with the first switching elements and extending in a second direction intersecting the first direction; and a gate line drive circuit including a second switching element that includes a second semiconductor made of polycrystalline silicone, the gate line drive circuit being provided in a peripheral region outside the detection region and configured to drive the gate lines.

公开(公告)号：US20180210246A1

公开(公告)日：2018-07-26

申请号：US15874028

申请日：2018-01-18

Applicant: Japan Display Inc.

Inventor： Makoto Uchida ,  Takanori Tsunashima

IPC: G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/1343 ,  G02F1/134309 ,  G02F1/136286 ,  G02F2001/134372

Abstract: According to one embodiment, a display device including a first substrate including a first electrode, a second electrode located above the first electrode and having potential different from the first electrode, and a third electrode located above the second electrode and electrically connected to the first electrode, a second substrate facing the first substrate, and a liquid crystal layer held between the first substrate and the second substrate, wherein at least one of the second electrode and the third electrode includes a first side, and a second side which faces the first side and is not parallel to the first side.

公开(公告)号：US12300019B2

公开(公告)日：2025-05-13

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

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.