Title:
LIGHT RECEIVING ELEMENT AND RANGE FINDING MODULE
Document Type and Number:
WIPO Patent Application WO/2020/017338
Kind Code:
A1
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 an on-chip lens, a wiring line layer, and a semiconductor layer that is arranged between the on-chip lens and the wiring line layer. The semiconductor layer is provided with: a first voltage application part to which a first voltage is applied; a second voltage application part to which a second voltage that is different from the first voltage is applied; a first charge detection part which is arranged around the first voltage application part; a second charge detection part which is arranged around the second voltage application part; and a pixel isolation part which divides the semiconductor layer at least to a predetermined depth at the boundary of adjacent pixels. The semiconductor layer is configured such that a third voltage is applied to the pixel isolation part. The present technology is applicable, for example, to a light receiving element which produces range information by means of a ToF method, or the like.
Inventors:
OGITA TOMOHARU (JP)
Application Number:
PCT/JP2019/026573
Publication Date:
January 23, 2020
Filing Date:
July 04, 2019
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H01L27/146; G01S7/481; G01S17/89; H01L27/144; H01L31/0232; H01L31/10; H04N5/369
Foreign References:
US20180106892A1 | 2018-04-19 | |||
JP2017522727A | 2017-08-10 | |||
JP2015026708A | 2015-02-05 | |||
JP2007506269A | 2007-03-15 | |||
JP2012169530A | 2012-09-06 | |||
JP2005150521A | 2005-06-09 | |||
JP2005235893A | 2005-09-02 | |||
JP2011086904A | 2011-04-28 |
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
Download PDF:
Previous Patent: LIGHT RECEIVING ELEMENT AND RANGE FINDING MODULE
Next Patent: LIGHT RECEIVING ELEMENT AND RANGE FINDING MODULE
Next Patent: LIGHT RECEIVING ELEMENT AND RANGE FINDING MODULE