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. 02, 2012
Filed:
Feb. 23, 2007
Toshihiro Ise, Ashigarakami-gun, JP;
Seiji Ichijima, Machida, JP;
Toshihiro Ise, Ashigarakami-gun, JP;
Seiji Ichijima, Machida, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An organic electroluminescent device comprises: a pair of electrodes; and at least one organic compound layer therebetween, the at least one organic compound layer comprises at least a light-emitting layer, wherein at least one of the at least one organic compound layer comprises at least one compound represented by formula (1): Formula (1): wherein Qto Qeach independently represents an atomic group for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring in combination with two carbon atoms in formula (1); Aand Aeach independently represents a carbon atom or a nitrogen atom; and Qand Qeach independently represents an atomic group for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring in combination with Aand Arespectively, provided that Qand Qare not combined through a single bond, a divalent aromatic hydrocarbon ring group or a divalent aromatic heterocyclic ring group.