公开(公告)号：US11531221B2

公开(公告)日：2022-12-20

申请号：US17321681

申请日：2021-05-17

Applicant: Japan Display Inc.

Inventor： Kazuhide Mochizuki ,  Makoto Uchida

IPC: G02F1/133 ,  H01L27/146 ,  G02F1/1362 ,  G06F3/041 ,  G02F1/1339 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1335 ,  G02F1/1343 ,  G06F3/044 ,  G06V40/13

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first switching element, a second switching element, a first organic insulating layer, a second organic insulating layer, a third organic insulating layer, a first connection electrode electrically connected to the first switching element, a second connection electrode electrically connected to the first connection electrode, a pixel electrode electrically connected to the second connection electrode, and a photoelectric conversion element electrically connected to the second switching element.

公开(公告)号：US11436859B2

公开(公告)日：2022-09-06

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: G06V40/13

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：US20190019466A1

公开(公告)日：2019-01-17

申请号：US16030043

申请日：2018-07-09

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima ,  Yoshiro Aoki ,  Makoto Uchida

IPC: G09G3/36

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：US11888080B2

公开(公告)日：2024-01-30

申请号：US17358950

申请日：2021-06-25

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 ,  H01L27/146 ,  H01L31/167 ,  G06V40/13 ,  G06T1/00 ,  G06V40/14 ,  G06V40/10 ,  G06V40/70 ,  G06V40/12

CPC classification number: H01L31/12 ,  G01J1/0492 ,  G01J1/4228 ,  G06T1/0007 ,  G06V40/1318 ,  H01L27/14612 ,  H01L27/14621 ,  H01L27/14636 ,  H01L31/167 ,  A61B2562/0233 ,  G06V40/1341 ,  G06V40/14 ,  G06V40/15 ,  G06V40/70

Abstract: A detection device is provided. The detection device 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：US11784209B2

公开(公告)日：2023-10-10

申请号：US17349079

申请日：2021-06-16

Applicant: Japan Display Inc.

Inventor： Masahiro Tada ,  Makoto Uchida ,  Takashi Nakamura

IPC: H01L27/146 ,  H01L29/786 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/105 ,  G06V40/13

CPC classification number: H01L27/14678 ,  G06V40/1318 ,  H01L27/1461 ,  H01L27/14616 ,  H01L29/78633 ,  H01L29/78675 ,  H01L31/03682 ,  H01L31/03762 ,  H01L31/105

Abstract: A detection device comprising: an insulating substrate; a plurality of gate lines that are provided on the insulating substrate, and extend in a first direction; a plurality of signal lines that are provided on the insulating substrate, and extend in a second direction intersecting the first direction; a switching element coupled to each of the gate lines and each of the signal lines; a first photoelectric conversion element that comprises a first semiconductor layer containing amorphous silicon, and is coupled to the switching element; and a second photoelectric conversion element that comprises a second semiconductor layer containing polysilicon, and is coupled to the switching element.

公开(公告)号：US10359662B2

公开(公告)日：2019-07-23

申请号：US16129038

申请日：2018-09-12

Applicant: Japan Display Inc.

Inventor： Makoto Uchida

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/1345 ,  G02F1/1362

Abstract: According to one embodiment, a display device comprises an insulating substrate, a pixel in a display area, a scanning line extending in a first direction, a signal line extending in a second direction, a shield line between the insulating substrate and the scanning line, a pixel electrode in the pixel, and a first switching element including a first semiconductor layer. The first semiconductor layer is provided between the scanning line and the shield line, and comprises an intersection area in which the first semiconductor layer intersects the scanning line. The shield line overlaps the intersection area, and is electrically connected to the scanning line through a contact portion.

公开(公告)号：US10038016B2

公开(公告)日：2018-07-31

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：US12178059B2

公开(公告)日：2024-12-24

申请号：US17500329

申请日：2021-10-13

Applicant: Japan Display Inc. ,  The University of Tokyo

Inventor： Takashi Nakamura ,  Makoto Uchida ,  Masahiro Tada ,  Marina Mochizuki ,  Hirofumi Kato ,  Akio Takimoto ,  Takao Someya ,  Tomoyuki Yokota

IPC: H01L29/78 ,  H01L29/786 ,  H10K39/32 ,  A61B5/021 ,  G06V40/13

Abstract: A detection device includes a photodiode, and a thin-film transistor coupled to the photodiode. The thin-film transistor includes a semiconductor layer between a light-blocking layer and the photodiode, and an electrode layer between the semiconductor layer and the photodiode, and the electric layer includes a source electrode and a drain electrode of the thin-film transistor. The source electrode extends to a position facing the light-blocking layer with the semiconductor layer interposed therebetween.

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.