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:
Dec. 15, 2015
Filed:
Feb. 27, 2007
Yoriyuki Takashima, Chiba, JP;
Masakazu Funahashi, Chiba, JP;
Kiyoshi Ikeda, Chiba, JP;
Chishio Hosokawa, Chiba, JP;
Yoriyuki Takashima, Chiba, JP;
Masakazu Funahashi, Chiba, JP;
Kiyoshi Ikeda, Chiba, JP;
Chishio Hosokawa, Chiba, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
Provided is an organic electroluminescence device having a long lifetime and capable of emitting blue light with high luminous efficiency. The organic electroluminescence device has an organic thin film layer composed of one or multiple layers including at least a light emitting layer and interposed between a cathode and an anode. In the organic electroluminescence device, the light emitting layer contains at least one kind selected from compounds each having a specific fluoranthene structure and at least one kind selected from fused ring-containing compounds each having a specific structure.