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公开(公告)号：US11531221B2
公开(公告)日：2022-12-20
申请号：US17321681
申请日：2021-05-17
申请人： Japan Display Inc.
发明人： Kazuhide Mochizuki , Makoto Uchida
IPC分类号： G02F1/133 , H01L27/146 , G02F1/1362 , G06F3/041 , G02F1/1339 , G02F1/1333 , G02F1/1368 , G02F1/1335 , G02F1/1343 , G06F3/044 , G06V40/13
摘要： 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.
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公开(公告)号：US11436859B2
公开(公告)日：2022-09-06
申请号：US17233650
申请日：2021-04-19
申请人： Japan Display Inc.
IPC分类号： G06V40/13
摘要： 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.
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公开(公告)号：US20190019466A1
公开(公告)日：2019-01-17
申请号：US16030043
申请日：2018-07-09
申请人： Japan Display Inc.
发明人： Takanori Tsunashima , Yoshiro Aoki , Makoto Uchida
IPC分类号： G09G3/36
摘要： 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.
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公开(公告)号：US11888080B2
公开(公告)日：2024-01-30
申请号：US17358950
申请日：2021-06-25
发明人： Hirofumi Kato , Takanori Tsunashima , Makoto Uchida , Takashi Nakamura , Akio Takimoto , Takao Someya , Tomoyuki Yokota
IPC分类号： H01L31/12 , G01J1/04 , G01J1/42 , H01L27/146 , H01L31/167 , G06V40/13 , G06T1/00 , G06V40/14 , G06V40/10 , G06V40/70 , G06V40/12
CPC分类号： 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
摘要： 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.
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公开(公告)号：US11784209B2
公开(公告)日：2023-10-10
申请号：US17349079
申请日：2021-06-16
申请人： Japan Display Inc.
发明人： Masahiro Tada , Makoto Uchida , Takashi Nakamura
IPC分类号： H01L27/146 , H01L29/786 , H01L31/0368 , H01L31/0376 , H01L31/105 , G06V40/13
CPC分类号： H01L27/14678 , G06V40/1318 , H01L27/1461 , H01L27/14616 , H01L29/78633 , H01L29/78675 , H01L31/03682 , H01L31/03762 , H01L31/105
摘要： 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.
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公开(公告)号：US10359662B2
公开(公告)日：2019-07-23
申请号：US16129038
申请日：2018-09-12
申请人： Japan Display Inc.
发明人： Makoto Uchida
IPC分类号： G02F1/1335 , G02F1/1339 , G02F1/1345 , G02F1/1362
摘要： 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.
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公开(公告)号：US10038016B2
公开(公告)日：2018-07-31
申请号：US15631321
申请日：2017-06-23
申请人： Japan Display Inc.
发明人： Makoto Uchida , Takanori Tsunashima
IPC分类号： H01L27/12
CPC分类号： H01L27/1255 , H01L27/124
摘要： 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.
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公开(公告)号：US11854299B2
公开(公告)日：2023-12-26
申请号：US17500147
申请日：2021-10-13
发明人： Hirofumi Kato , Makoto Uchida , Takanori Tsunashima , Takashi Nakamura , Akio Takimoto , Takao Someya , Tomoyuki Yokota
IPC分类号： G06V40/13 , G06V40/12 , A61B5/1172 , G06F21/32 , G06V40/145
CPC分类号： G06V40/1324 , A61B5/1172 , G06F21/32 , G06V40/1341 , G06V40/1365 , G06V40/145
摘要： 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.
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公开(公告)号：US11710340B2
公开(公告)日：2023-07-25
申请号：US17940239
申请日：2022-09-08
申请人： Japan Display Inc.
IPC分类号： G06V40/13 , H01L27/146 , G06F3/044
CPC分类号： G06V40/1318 , H01L27/14678 , G06F3/044
摘要： 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.
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公开(公告)号：US11450135B2
公开(公告)日：2022-09-20
申请号：US17033040
申请日：2020-09-25
申请人： Japan Display Inc.
IPC分类号： G06V40/13 , H01L27/146 , G06F3/044
摘要： 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.
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