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:
Jul. 30, 2019
Filed:
Oct. 12, 2017
Applicants:
Yuuji Tanaka, Shizuoka, JP;
Shigeyo Suzuki, Shizuoka, JP;
Naomichi Kanei, Shizuoka, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/044 (2014.01); H01L 31/0224 (2006.01); H01L 27/30 (2006.01); H01L 51/44 (2006.01); H01L 51/42 (2006.01);
U.S. Cl.
CPC ...
H01L 31/022425 (2013.01); H01L 27/30 (2013.01); H01L 27/301 (2013.01); H01L 51/441 (2013.01); H01L 51/442 (2013.01); H01L 51/4226 (2013.01); Y02E 10/549 (2013.01);
Abstract
Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.