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公开(公告)号：US20190229150A1
公开(公告)日：2019-07-25
申请号：US16251599
申请日：2019-01-18
Inventor： SHUNSUKE ISONO , HIDENARI KANEHARA , SANSHIRO SHISHIDO , TAKEYOSHI TOKUHARA
Abstract: An imaging device includes: a semiconductor substrate including a pixel region in which pixels are arranged and a peripheral region adjacent to the pixel region; an insulating layer that covers the pixel region and the peripheral region; a first electrode located on the insulating layer above the pixel region; a photoelectric conversion layer that covers the first electrode; a second electrode that covers the photoelectric conversion layer; detection circuitry located in the pixel region and connected to the first electrode; peripheral circuitry located in the peripheral region and connected to the detection circuitry; and a third electrode located on the insulating layer above the peripheral region. The second electrode extends above the peripheral region, and the second electrode includes a connection region in which the second electrode is connected to the third electrode, the connection region overlapping the peripheral circuitry in plan view.
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公开(公告)号：US20190098224A1
公开(公告)日：2019-03-28
申请号：US16131270
申请日：2018-09-14
Inventor： TSUTOMU KOBAYASHI , KAZUKO NISHIMURA , YASUO MIYAKE , SANSHIRO SHISHIDO
CPC classification number: H04N5/243 , G02B5/205 , H01L27/307 , H04N5/2254 , H04N5/2352 , H04N5/238 , H04N5/351
Abstract: An imaging device includes a photoelectric converter including a pixel electrode, a counter electrode, and a photoelectric conversion layer between the pixel electrode and the counter electrode, the photoelectric conversion layer converting incident light into an electric charge; and a voltage application circuit that applies a first voltage between the pixel electrode and the counter electrode in a first frame and that applies a second voltage between the pixel electrode and the counter electrode in a second frame different from the first frame, the first voltage being a constant voltage, the second voltage being a pulse-shaped voltage.
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13.发明申请公开(公告)号：US20190007594A1
公开(公告)日：2019-01-03
申请号：US16124435
申请日：2018-09-07
Inventor： SATOSHI SATO , SANSHIRO SHISHIDO , KATSUYA NOZAWA , TAKEO AZUMA , MASAAKI YANAGIDA , TAKEYOSHI TOKUHARA , KUNIO NOBORI
Abstract: A three-dimensional motion obtaining apparatus includes: a light source; a charge amount obtaining circuit that includes pixels and obtains, for each of the pixels, a first charge amount under a first exposure pattern and a second charge amount under a second exposure pattern having an exposure period that at least partially overlaps an exposure period of the first exposure pattern; and a processor that controls a light emission pattern for the light source, the first exposure pattern, and the second exposure pattern. The processor estimates a distance to a subject for each of the pixels on the basis of the light emission pattern and on the basis of the first charge amount and the second charge amount of each of the pixels obtained by the charge amount obtaining circuit, and estimates an optical flow for each of the pixels on the basis of the first exposure pattern, the second exposure pattern, and the first charge amount and the second charge amount obtained by the charge amount obtaining circuit.
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公开(公告)号：US20240389444A1
公开(公告)日：2024-11-21
申请号：US18784978
申请日：2024-07-26
Inventor： YOSHIKAZU YAMAOKA , SHINICHI MACHIDA , SANSHIRO SHISHIDO
Abstract: A method for manufacturing a functional element includes: preparing a substrate at an upper surface of which a first electrode and a second electrode are exposed; forming a first film above the substrate, the first film being provided with a gap where at least part of an upper surface of the first electrode is exposed; forming a second film on the first electrode, the second electrode, and the first film using a coating method; exposing the at least part of the upper surface of the first electrode by removing a portion of the second film that is on the first electrode; and forming an electric contact on the first electrode.
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公开(公告)号：US20210225939A1
公开(公告)日：2021-07-22
申请号：US17219954
申请日：2021-04-01
Inventor： KATSUYA NOZAWA , TAKEYOSHI TOKUHARA , NOZOMU MATSUKAWA , SANSHIRO SHISHIDO
Abstract: An imaging device includes a pixel electrode, a counter electrode that faces the pixel electrode, a first photoelectric conversion layer that is located between the pixel electrode and the counter electrode and that generates first signal charge, a second photoelectric conversion layer that is located between the first photoelectric conversion layer and the pixel electrode and that generates second signal charge, a first barrier layer that is located between the first photoelectric conversion layer and the second photoelectric conversion layer and that forms a first heterojunction barrier against the first signal charge in the first photoelectric conversion layer, and a charge accumulator that is electrically connected to the pixel electrode and that accumulates the first signal charge and the second signal charge.
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Patent Agency Ranking
公开(公告)号：US20210202558A1
公开(公告)日：2021-07-01
申请号：US17185129
申请日：2021-02-25
Inventor： SANSHIRO SHISHIDO , SHINICHI MACHIDA , TAKEYOSHI TOKUHARA , KATSUYA NOZAWA
IPC: H01L27/146 , H01L31/0352 , H01L31/0384 , G02B5/20
Abstract: A light sensor includes a photoelectric conversion layer and a long-pass filter that is disposed above the photoelectric conversion layer. The photoelectric conversion layer has a spectral sensitivity characteristic having a first peak at a first wavelength that is longer than a cut-on wavelength of the long-pass filter, and a spectral sensitivity of the photoelectric conversion layer at the cut-on wavelength is greater than or equal to 0% and less than or equal to 50% of a spectral sensitivity of the photoelectric conversion layer at the first wavelength.
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公开(公告)号：US20190393259A1
公开(公告)日：2019-12-26
申请号：US16441144
申请日：2019-06-14
Inventor： HIDENARI KANEHARA , YUSUKE OKADA , SANSHIRO SHISHIDO , KAZUKO NISHIMURA
IPC: H01L27/146
Abstract: An imaging device includes: a first pixel and a second pixel that are arranged along a first direction and each include a photoelectric converter, a charge accumulator, a first transistor one of a source and a drain of which is connected to the charge accumulator, and a second transistor a gate of which is connected to the charge accumulator; a first line and a second line that each extend along the first direction; a first voltage supply circuit configured to generate a voltage between a first voltage turning on the first transistor of the first pixel and a second voltage turning off the first transistor of the first pixel; and a second voltage supply circuit configured to generate a voltage between a fourth voltage turning on the first transistor of the second pixel and a fifth voltage turning off the first transistor of the second pixel.
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公开(公告)号：US20180315798A1
公开(公告)日：2018-11-01
申请号：US15945790
申请日：2018-04-05
Inventor： NAOKI SHIMASAKI , Tokuhiko Tamaki , SANSHIRO SHISHIDO
CPC classification number: H01L27/307 , G01J1/44 , G01J2001/448 , G01S7/4863 , G01S17/08 , H01L27/146 , H01L27/283 , H01L51/0078 , H01L51/4253 , H01L51/442 , H04N5/3559 , H04N5/3572 , H04N5/3597 , H04N5/374 , H04N5/37452 , H04N5/378 , Y02E10/549
Abstract: A photodetector includes: a semiconductor substrate including first and second impurity regions; a gate insulating layer located on a region of the semiconductor substrate, the region being between the first and second impurity regions, the gate insulating layer including a photoelectric conversion layer; a gate electrode located on the gate insulating layer and having a light-transmitting property; a first charge transfer channel transferring signal charges corresponding to a current occurring between the first impurity region and the second impurity region depending on a change in a dielectric constant of the photoelectric conversion layer caused by light incidence on the photoelectric conversion layer; a second charge transfer channel diverging from the first charge transfer channel; a first charge storage storing charges, among the signal charges, transferred via the second charge transfer channel; and a first gate switching transfer and shutdown of charges passing through the second charge transfer channel.
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公开(公告)号：US20180241954A1
公开(公告)日：2018-08-23
申请号：US15885914
申请日：2018-02-01
Inventor： YASUO MIYAKE , SANSHIRO SHISHIDO
CPC classification number: H04N5/359 , H01L27/307 , H04N5/355 , H04N5/3559 , H04N5/374 , H04N5/378
Abstract: An imaging device includes a pixel cell including a photoelectric conversion layer having first and second surfaces, a pixel electrode on the first surface, an auxiliary electrode on the first surface, the auxiliary electrode surrounding the pixel electrode and being electrically insulated from the pixel electrode, a counter electrode on the second surface, and a charge detection circuit connected to the pixel electrode; a voltage supply circuit; a first switch switching between electrical connection and disconnection; a first capacitor having one end connected to the auxiliary electrode and the other end held to a predetermined voltage; and a first control circuit connected to the first switch, the first control circuit causing the first switch to switch between electrical connection and disconnection. The voltage supply circuit is connected, through the first switch, to the auxiliary electrode of the first pixel cell and to the one end of the first capacitor.
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公开(公告)号：US20180227551A1
公开(公告)日：2018-08-09
申请号：US15876262
申请日：2018-01-22
Inventor： SANSHIRO SHISHIDO
CPC classification number: H04N9/045 , H01L27/307 , H04N5/335 , H04N5/347 , H04N5/374 , H04N5/378 , H04N2209/042
Abstract: An imaging device includes: a pixel array including first and second pixels, each pixel including a photoelectric converter converting light into charge and a detection circuit detecting the charge; a first voltage supply circuit supplying a first voltage to the first pixel such that an electric potential of the first electrode is set to a first electric potential at a point of time at which a charge accumulation period for the first pixel starts; a second voltage supply circuit supplying a second voltage to the second pixel such that an electric potential of the first electrode of the second pixel is set to a second electric potential different from the first electric potential at a point of time at which a charge accumulation period for the second pixel starts; and an addition circuit adding together signals generated in the first and second pixels.
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