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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.:

US 4992109 B1

PDFFull Text
Date of Patent:
Feb. 12, 1991

Filed:

Dec. 13, 1989

Photoelectric conversion element

Applicant:
Inventors:

Masao Yoshikawa, Yokohama, JP;

Tetsuro Suzuki, Yokohama, JP;

Akio Kojima, Mitaka, JP;

Masayuki Shoshi, Yokohama, JP;

Masafumi Ohta, Susono, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:

Cooper & Dunham

Primary Examiner:

Aaron Weisstuch

Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
136263 ; 357-8 ; 357 30 ; 2502 / ;
Abstract

A photoelectric conversion element has a front electrode, a rear electrode and a photo-activatable layer sandwiched between these electrodes. The photo-activatable layer contains a compound selected from a group consisting of a triphenylamine compound, a diaminocarbazole compound, an oxazole compound, a thiazole compound, and 1,3-dithiol compound. The compound contained in the photo-activatable layer improves photoelectric conversion efficiency.

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Yoshikawa, Masao. (1991). Photoelectric conversion element (U.S. Patent No. 4992109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4992109

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