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. 16, 2024
Filed:
Jan. 24, 2020
Ricoh Company, Ltd., Tokyo, JP;
Ryota Arai, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photoelectric conversion element including a substrate, and a photoelectric conversion layer disposed on or above the substrate, wherein the photoelectric conversion layer includes an organic material (A) represented by General Formula (1), an electron-donating material (B) having a repeating unit structure and having an energy level of the highest occupied molecular orbital (HOMO) being 5.0 eV or greater, and an electron-accepting material (C), wherein a mass ratio (A+B):C is from 1.0:1.0 through 3.0:1.0, where, in General Formula (1), Ris each independently an alkyl group having from 2 through 8 carbon atoms; n is each independently an integer of from 1 through 2; X1 and X2 are each independently a hydrogen atom or a halogen atom; and A is represented by General Formula (2), General Formula (3), or General Formula (4) and Rto Rare each independently an alkyl group having from 8 through 22 carbon atoms.