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:
Apr. 15, 2014
Filed:
Dec. 19, 2008
Applicants:
Takeyuki Sone, Tokyo, JP;
Otto Albrecht, Atsugi, JP;
Koji Yano, Kawasaki, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 297/00 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a novel block polymer applicable to a light-emitting device. The block polymer has an electron-transporting block and a hole-transporting block, wherein the main chain backbone of the block polymer is polyacetylene.