Title:
LIGHT DETECTING DEVICE AND DISTANCE MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/244384
Kind Code:
A1
Abstract:
A light detecting device according to an embodiment of the present disclosure is provided with: a first substrate having a first face serving as a light-receiving face and a second face opposing the first face, and having a light-receiving portion in which a plurality of pixels are arranged in an array to generate charge corresponding to an amount of received light for each pixel by photoelectric conversion; a second substrate disposed on the second face side of the first substrate and having a third face facing the second face and a fourth face opposing the third face, the second substrate having a wider band gap than the first substrate and further having a multiplying portion for each pixel for performing avalanche multiplication of the charge generated in the light-receiving portion; a first electrode provided on the first face of the first substrate and electrically connected to the light-receiving portion; and a second electrode provided on the fourth face of the second substrate and electrically connected to the multiplying portion.
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Inventors:
MATSUMURA YUSUKE (JP)
Application Number:
PCT/JP2022/009234
Publication Date:
November 24, 2022
Filing Date:
March 03, 2022
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H01L27/146; G01J1/02; G01J1/42; G01S7/481; G01S17/894; G01S17/931; H01L31/107
Domestic Patent References:
| WO2017094362A1 | 2017-06-08 |
Foreign References:
| US20190288026A1 | 2019-09-19 | |||
| JP2021027358A | 2021-02-22 | |||
| JP2005532695A | 2005-10-27 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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