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:
Oct. 30, 2012
Filed:
Sep. 28, 2010
Maki Okajima, Kawasaki, JP;
Naoki Yamada, Inagi, JP;
Maki Okajima, Kawasaki, JP;
Naoki Yamada, Inagi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an organic light emitting device which shows a blue light emission hue of remarkably good color purity and has a high-efficiency and high-luminance optical output. An organic light emitting device including an anode, a cathodeand an organic compound layer sandwiched between the anodeand the cathode, wherein at least one diindenopicene compound represented by general formula [1] described below is contained in the organic compound layer:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile