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:
Apr. 18, 2023
Filed:
Oct. 02, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0352 (2006.01); H01G 9/20 (2006.01); H01L 31/032 (2006.01); H01L 31/07 (2012.01); C01G 21/21 (2006.01); C09K 11/66 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
H01L 31/035218 (2013.01); C01G 21/21 (2013.01); C09K 11/66 (2013.01); H01G 9/2027 (2013.01); H01L 31/0324 (2013.01); H01L 31/07 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01);
Abstract
The present disclosure is a photoelectric conversion element including: a photoelectric conversion layerincluding a first quantum dotand a second quantum dot, a ratio X of the number of heavy metal atoms to the number of oxygen group atoms is less than 2 on a surface of the nanoparticle of the first quantum dot, the ratio X is greater than or equal to 2 on a surface of the nanoparticle of the second quantum dot, and Equation (1) is satisfied:0.3<  (1),where N denotes a ratio of the number of second quantum dots to the number of first quantum dots.