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:
Feb. 01, 2011
Filed:
Nov. 20, 2008
Applicants:
Jun Ogasawara, Minami-Ashigara, JP;
Tatsuya Igarashi, Minami-Ashigara, JP;
Satoshi Sano, Minami-Ashigara, JP;
Inventors:
Jun Ogasawara, Minami-Ashigara, JP;
Tatsuya Igarashi, Minami-Ashigara, JP;
Satoshi Sano, Minami-Ashigara, JP;
Assignee:
Fujfilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 521/00 (2006.01); C09K 11/06 (2006.01); C07C 13/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescent device, which has, between a pair of electrodes, at least one organic layer including a light-emitting layer, in which the organic layer contains a specific tetraphenylene compound, and in which the light-emitting layer contains a phosphorescent material; and a specific tetraphenylene compound that can be used in the device.