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:
Jun. 11, 2019
Filed:
Jan. 10, 2018
Tamotsu Horiuchi, Shizuoka, JP;
Yuuji Tanaka, Shizuoka, JP;
Tsuyoshi Matsuyama, Kanagawa, JP;
Takahiro Ide, Shizuoka, JP;
Tokushige Kino, Shizuoka, JP;
Shigeyo Suzuki, Shizuoka, JP;
Naomichi Kanei, Shizuoka, JP;
Tamotsu Horiuchi, Shizuoka, JP;
Yuuji Tanaka, Shizuoka, JP;
Tsuyoshi Matsuyama, Kanagawa, JP;
Takahiro Ide, Shizuoka, JP;
Tokushige Kino, Shizuoka, JP;
Shigeyo Suzuki, Shizuoka, JP;
Naomichi Kanei, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of Xand Xindependently represents oxygen atom, sulfur atom, or selenium atom; Rrepresents methine group; Rrepresents an alkyl group, an aryl group, or a heterocyclic group; each of Rindependently represents an acidic group; m represents an integer of 1 or 2; and each of Zand Zindependently represents a group forming a cyclic structure;R—R—COOH  Formula (2)where Rrepresents an aryl group or a heterocyclic group; and Rrepresents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.