The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2023
Filed:
May. 28, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yasuhiro Nagatomo, Kanagawa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14623 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01);
Abstract
Provided is a back illuminated photoelectric conversion device including a semiconductor substrate that has a first area that is not light-shielded by a light shielding layer, a second area that is light-shielded by the light shielding layer and in which a second pixel is arranged, and a third area that is arranged between the first area and the second area in a plan view. An attenuating member that attenuates a guided light entering the first area and propagating to the second area with the semiconductor substrate as a waveguide is arranged in the third area.