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:
Mar. 10, 2009
Filed:
Oct. 21, 2005
Hiroshi Tokailin, Sodegaura, JP;
Hitoshi Kuma, Sodegaura, JP;
Mineyuki Kubota, Sodegaura, JP;
Masakazu Funahashi, Sodegaura, JP;
Hiroshi Tokailin, Sodegaura, JP;
Hitoshi Kuma, Sodegaura, JP;
Mineyuki Kubota, Sodegaura, JP;
Masakazu Funahashi, Sodegaura, JP;
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Abstract
A white organic electroluminescent device () including an emitting layer (and) interposed between an anode () and a cathode (), the emitting layer (and) emitting blue light, green light and red light, the emitting layer () containing a green dopant that is an aromatic amine compound represented by formula (), wherein A, Aand Rare a hydrogen atom, an alkyl group, an aryl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an arylamino group, an alkylamino group or a halogen atom; d and e are independently 1 to 5; h is 1 to 9; Ris a secondary or tertiary alkyl or cycloalkyl group; f is 1 to 9; g is 0 to 8 and f+g+h is 2 to 10.