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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
EP3789730A1
LIGHT-RECEIVING ELEMENT AND DISTANCE MEASUREMENT MODULE
Publication/Patent Number: EP3789730A1 Publication Date: 2021-03-10 Application Number: 19832264.6 Filing Date: 2019-07-04 Inventor: Isogai, Yuji   Imoto, Tsutomu   Maruyama, Takuya   Murase, Takuro   Watanabe, Ryota   Wakano, Toshifumi   Assignee: Sony Semiconductor Solutions Corporation   IPC: G01C3/06 Abstract: The present technology relates to a light reception device and a distance measurement module that make it possible to improve a characteristic. The light reception device includes an on-chip lens, a wiring layer, and a semiconductor layer arranged between the on-chip lens and the wiring layer. The semiconductor layer includes a first tap having a first voltage application portion to which a first voltage is applied and a first charge detection portion arranged around the first voltage application portion, and a second tap having a second voltage application portion to which a second voltage different from the first voltage is applied and a second charge detection portion arranged around the second voltage application portion The on-chip lens is configured such that the position thereof differs depending upon an in-plane position of a pixel array section, so that an optical path length or a DC contrast of a chief ray from an object is uniform at in-plane pixels of the pixel array section. The present technology can be applied, for example, to a light reception device that generates distance information, for example, by a ToF method, and so forth.
2
US10591618B2
X-ray detection device and detection method
Publication/Patent Number: US10591618B2 Publication Date: 2020-03-17 Application Number: 16/094,120 Filing Date: 2017-04-07 Inventor: Matsumura, Masao   Imoto, Tsutomu   Okumura, Kenichi   Nishihara, Toshiyuki   Assignee: SONY CORPORATION   IPC: G01T1/20 Abstract: The X-ray detection device according to an aspect of the present disclosure includes a scintillator that generates scintillation light in response to incident X-rays; a detection unit including a plurality of pixels each generating a pixel signal in response to the scintillation light incident thereon; and an output unit that generates X-ray two-dimensional projection data by using the pixel signals of the pixels. A pixel of the detection unit includes a plurality of subpixels that performs photoelectric conversion in response to the scintillation light; an AD conversion unit that applies AD conversion to outputs of the subpixels; and an adder that generates the pixel signal corresponding to the pixel by adding up outputs of the plurality of subpixels after the AD conversion. The present disclosure is applicable to an X-ray CT device and an X-ray FPD device.
3
US2020382727A1
IMAGING ELEMENT
Publication/Patent Number: US2020382727A1 Publication Date: 2020-12-03 Application Number: 16/996,745 Filing Date: 2020-08-18 Inventor: Nishihara, Toshiyuki   Takahashi, Tomohiro   Matsumura, Masao   Imoto, Tsutomu   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION   IPC: H04N5/357 Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
4
US10771719B2
Imaging element
Publication/Patent Number: US10771719B2 Publication Date: 2020-09-08 Application Number: 16/318,650 Filing Date: 2017-07-14 Inventor: Nishihara, Toshiyuki   Takahashi, Tomohiro   Matsumura, Masao   Imoto, Tsutomu   Assignee: Sony Semiconductor Solutions Corporation   IPC: H04N5/357 Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
5
US2020200923A1
RADIATION DETECTION APPARATUS
Publication/Patent Number: US2020200923A1 Publication Date: 2020-06-25 Application Number: 16/631,538 Filing Date: 2018-07-11 Inventor: Nishihara, Toshiyuki   Imoto, Tsutomu   Matsumura, Masao   Baba, Hiroyasu   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION   IPC: G01T1/20 Abstract: The present technology relates to a radiation detection apparatus that makes it possible to obtain a projection image of a radiation in a short period of time. The radiation detection apparatus includes a scintillator that emits scintillation light in response to incidence of a radiation, a pixel substrate on which a plurality of pixels each of which photoelectrically converts the scintillation light and outputs a pixel signal according to a light amount of the scintillation light is disposed in an array, a detection circuit substrate that includes an A/D (Analog to Digital) conversion unit for A/D converting the pixel signal and is stacked on the pixel substrate, and a compression unit that compresses digital data outputted from the A/D conversion unit. The present technology can be applied, for example, to an X-ray imaging apparatus that detects an X-ray to perform imaging and so forth.
6
US10816680B2
Detection device and electronic equipment
Publication/Patent Number: US10816680B2 Publication Date: 2020-10-27 Application Number: 16/316,665 Filing Date: 2017-07-07 Inventor: Nishihara, Toshiyuki   Matsumura, Masao   Imoto, Tsutomu   Assignee: Sony Semiconductor Solutions Corporation   IPC: H01L27/146 Abstract: The present disclosure relates to a detection device and electronic equipment, in which a detection accuracy of minute light can be improved. A detection device includes: a pixel array portion in which a plurality of first pixels including a photoelectric conversion unit, and a plurality of second pixels not including a photoelectric conversion unit, are arranged; and a driving unit configured to drive the first pixel and the second pixel. The present technology, for example, can be applied to a light detector, a radiation counter device performing radiation counting by using the light detector, and a biological examination device using the light detector, such as a flow cytometer.
7
EP3640989A1
LIGHT-RECEIVING ELEMENT AND RANGE FINDING MODULE
Publication/Patent Number: EP3640989A1 Publication Date: 2020-04-22 Application Number: 19832538.3 Filing Date: 2019-07-04 Inventor: Maruyama, Takuya   Isogai, Yuji   Imoto, Tsutomu   Murase, Takuro   Watanabe, Ryota   Assignee: Sony Semiconductor Solutions Corporation   IPC: H01L27/146 Abstract: The present technology relates to a light-receiving element and a distance measurement module which are capable of improving characteristics. A light-receiving element includes: a first voltage application unit to which a voltage is applied; a first charge detection unit that is disposed at a periphery of the first voltage application unit; a second voltage application unit to which a voltage is applied; a second charge detection unit that is disposed at a periphery of the second voltage application unit; a third voltage application unit to which a first voltage is applied; and a voltage control unit that applies a second voltage to one of the first voltage application unit and the second voltage application unit and causes the other to be in a floating state, the second voltage being different from the first voltage. The present technology is applicable to a light-receiving element.
8
WO2020017339A1
LIGHT RECEIVING ELEMENT AND RANGE FINDING MODULE
Publication/Patent Number: WO2020017339A1 Publication Date: 2020-01-23 Application Number: 2019026574 Filing Date: 2019-07-04 Inventor: Maruyama, Takuya   Murase, Takuro   Imoto, Tsutomu   Watanabe, Ryota   Isogai, Yuji   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION   IPC: H04N5/369 Abstract: The present technology relates to a light receiving element and a range finding module, which are able to have improved characteristics. A light receiving element according to the present technology is provided with: a first voltage application part to which a voltage is applied; a first charge detection part which is arranged around the first voltage application part; a second voltage application part to which a voltage is applied; a second charge detection part which is arranged around the second voltage application part; a third voltage application part to which a first voltage is applied; and a voltage control part which applies a second voltage that is different from the first voltage to one of the first voltage application part and the second voltage application part, while bringing the other one into a floating state. The present technology is applicable to a light receiving element.
9
WO2020017340A1
LIGHT RECEIVING ELEMENT AND RANGE-FINDING MODULE
Publication/Patent Number: WO2020017340A1 Publication Date: 2020-01-23 Application Number: 2019026575 Filing Date: 2019-07-04 Inventor: Maruyama, Takuya   Murase, Takuro   Imoto, Tsutomu   Watanabe, Ryota   Isogai, Yuji   Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION   IPC: H04N5/369 Abstract: The present invention pertains to a light receiving element and a range-finding module with which it is possible to improve characteristic features thereof. The light receiving element is provided with: an on-chip lens; a wiring layer; a first substrate interposed between the on-chip lens and the wiring layer; and a second substrate that is bonded to the first substrate with the wiring layer therebetween. The first substrate has: a first voltage application unit to which a first voltage is applied; a second voltage application unit to which a second voltage different from the first voltage is applied; a first electric charge detection unit disposed around the first voltage application unit; and a second electric charge detection unit disposed around the second voltage application unit. The second substrate has a plurality of pixel transistors for performing an operation for reading out electric charges detected by the first and second electric charge detection units. The present invention is applicable to, for example, light receiving elements or the like that generate distance information by a ToF method.
10
US2020028017A1
LIGHT-RECEIVING ELEMENT AND DISTANCE MEASUREMENT MODULE
Publication/Patent Number: US2020028017A1 Publication Date: 2020-01-23 Application Number: 16/504,875 Filing Date: 2019-07-08 Inventor: Imoto, Tsutomu   Isogai, Yuji   Maruyama, Takuya   Murase, Takuro   Watanabe, Ryota   Yamazaki, Takeshi   Assignee: Sony Semiconductor Solutions Corporation   IPC: H01L31/101 Abstract: A light-receiving element includes an on-chip lens; an interconnection layer; and a semiconductor layer that is disposed between the on-chip lens and the interconnection layer. The semiconductor layer includes a first voltage application unit to which a first voltage is applied, a second voltage application unit to which a second voltage different from the first voltage is applied, a first charge detection unit that is disposed at the periphery of the first voltage application unit, a second charge detection unit that is disposed at the periphery of the second voltage application unit, and a charge discharge region that is provided on an outer side of an effective pixel region. For example, the present technology is applicable to a light-receiving element that generates distance information in a ToF method, or the like.
11
EP3598167A1
LIGHT-RECEIVING ELEMENT AND DISTANCE MEASUREMENT MODULE
Publication/Patent Number: EP3598167A1 Publication Date: 2020-01-22 Application Number: 19185887.7 Filing Date: 2019-07-11 Inventor: Imoto, Tsutomu   Isogai, Yuji   Maruyama, Takuya   Murase, Takuro   Watanabe, Ryota   Yamazaki, Takeshi   Assignee: Sony Semiconductor Solutions Corporation   IPC: G01S7/481 Abstract: A light-receiving element includes an on-chip lens; an interconnection layer; and a semiconductor layer that is disposed between the on-chip lens and the interconnection layer. The semiconductor layer includes a first voltage application unit to which a first voltage is applied, a second voltage application unit to which a second voltage different from the first voltage is applied, a first charge detection unit that is disposed at the periphery of the first voltage application unit, a second charge detection unit that is disposed at the periphery of the second voltage application unit, and a charge discharge region that is provided on an outer side of an effective pixel region. For example, the present technology is applicable to a light-receiving element that generates distance information in a ToF method, or the like.