Title:
LIGHT DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/190277
Kind Code:
A1
Abstract:
[Problem] To make it possible to accurately correct unevenness in a light-emitting element or a light-receiving element. [Solution] This light detection device comprises: a plurality of light-emitting elements that each emit a first light pulse signal; a plurality of light propagation members that propagate the first light pulse signals emitted by the respective light-emitting elements; a plurality of first light-receiving elements that receive the first light pulse signals propagated by the plurality of light propagation members; a plurality of second light-receiving elements that receive reflected light pulse signals, which are the first light pulse signals emitted by the respective light-emitting elements and reflected off of an object; and a plurality of light guide members that guide the first light pulse signals emitted by the plurality of light-emitting elements to the plurality of light propagation members.
Inventors:
HAMAMATSU MASAMUNE (JP)
Application Number:
PCT/JP2023/012076
Publication Date:
October 05, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G01S7/484; G01C3/06; G01S7/497; G01S17/10; H01L31/12; H01S5/0225; H01S5/42
Domestic Patent References:
| WO2018096850A1 | 2018-05-31 | |||
| WO2020158401A1 | 2020-08-06 |
Foreign References:
| JP2017125829A | 2017-07-20 | |||
| JP2002252418A | 2002-09-06 | |||
| JP2006147807A | 2006-06-08 | |||
| JP2004177816A | 2004-06-24 | |||
| JPS60110184A | 1985-06-15 | |||
| US20220082663A1 | 2022-03-17 | |||
| JP2015161599A | 2015-09-07 |
Attorney, Agent or Firm:
MIYAJIMA Manabu (JP)
Download PDF: