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:
Sep. 18, 2012
Filed:
Oct. 04, 2007
Daisuke Kitazawa, Shiga, JP;
Jun Tsukamoto, Shiga, JP;
Yukari JO, Shiga, JP;
Toray Industries, Inc., , JP;
Abstract
A photovoltaic device with high photoelectric conversion efficiency includes an electron donating organic material for photovoltaic devices containing a conjugated polymer represented by formula (1): wherein Rto Rmay be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an alkoxy group and an aryl group; Rand Rmay be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group and halogen; W, X, Y and Z may be the same or different from each other and are each selected from the group consisting of a single bond, an arylene group, a heteroarylene group, an ethenylene group, and an ethynylene group; m is 0 or 1; n is within a range of 1 to 1000.