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公开(公告)号：US20230125919A1
公开(公告)日：2023-04-27
申请号：US17970058
申请日：2022-10-20
Applicant: Japan Display Inc.
Inventor： Masahiro TADA
IPC: H01L31/024 , H01L31/0224 , H01L31/102 , H01L31/16
Abstract: A detection device includes a photoelectric conversion portion in which a plurality of photodiodes are arranged in a planar shape, a light source configured to irradiate the photodiodes with light, and a heating electrode provided so as to face the photoelectric conversion portion, and configured to generate heat and conduct the heat to the photoelectric conversion portion.
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公开(公告)号：US20230005291A1
公开(公告)日：2023-01-05
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
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.
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公开(公告)号：US20210313384A1
公开(公告)日：2021-10-07
申请号：US17349079
申请日：2021-06-16
Applicant: Japan Display Inc.
Inventor： Masahiro TADA , Makoto UCHIDA , Takashi NAKAMURA
IPC: H01L27/146 , H01L31/0376 , H01L31/0368 , H01L31/105 , H01L29/786 , G06K9/00
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.
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公开(公告)号：US20210012082A1
公开(公告)日：2021-01-14
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: G06K9/00 , H01L27/146
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.
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公开(公告)号：US20190004658A1
公开(公告)日：2019-01-03
申请号：US16128018
申请日：2018-09-11
Applicant: JAPAN DISPLAY INC.
Inventor： Yoshiro AOKI , Takashi NAKAMURA , Masahiro TADA , Hirotaka HAYASHI , Makoto SHIBUSAWA , Yutaka UMEDA , Miyuki ISHIKAWA
Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
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Patent Agency Ranking
公开(公告)号：US20240324259A1
公开(公告)日：2024-09-26
申请号：US18607771
申请日：2024-03-18
Applicant: Japan Display Inc.
Inventor： Masahiro TADA
CPC classification number: H10K39/32 , G06V40/1318 , H04N25/79
Abstract: According to an aspect, a detection device includes: a substrate; and a plurality of optical sensors formed by stacking first and second lower electrodes, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode on the substrate in the order as listed. The first lower electrodes are arranged so as to be separated for each of the optical sensors. The second lower electrodes are provided so as to surround the first lower electrodes, respectively. The lower buffer layer, the active layer, the upper buffer layer, and the upper electrode are provided continuously over the optical sensors so as to cover the first and the second lower electrodes.
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公开(公告)号：US20220392181A1
公开(公告)日：2022-12-08
申请号：US17831128
申请日：2022-06-02
Applicant: Japan Display Inc.
Inventor： Masahiro TADA
IPC: G06V10/141 , G06V10/147 , G06V10/74
Abstract: According to an aspect, a detection device includes: a substrate; a plurality of photodiodes arranged on the substrate; a light source configured to emit light to an object to be detected; a detection circuit configured to detect first detection signals based on reverse bias currents of the photodiodes when the light source is off, and to detect second detection signals based on the reverse bias currents of the photodiodes when the light source is on; and a memory configured to store first imaging data based on the first detection signals when the light source is off, second imaging data based on the second detection signals when the light source is on, and difference data between the first imaging data and the second imaging data.
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公开(公告)号：US20220350434A1
公开(公告)日：2022-11-03
申请号：US17863802
申请日：2022-07-13
Applicant: Japan Display Inc.
Inventor： Yoshiro AOKI , Takashi NAKAMURA , Masahiro TADA , Hirotaka HAYASHI , Makoto SHIBUSAWA , Yutaka UMEDA , Miyuki ISHIKAWA
Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
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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
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.
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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.
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