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:
Jul. 13, 1999
Filed:
Apr. 09, 1997
Applicant:
Inventors:
Norikazu Nakamura, Nagano, JP;
Keiichi Miyairi, Nagano, JP;
Assignee:
Shinko Electric Industries, Co., Ltd., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
428690 ; 428917 ; 313504 ; 313505 ; 313506 ;
Abstract
In an organic EL device which includes an organic luminescent layer 18 composed of an organic compound and a hole transporting layer 16 between a cathode 10 and an anode 14, the organic EL device has between the cathode 10 and the organic luminescent layer 18 an electron transporting layer 20 composed of 2-(O-hydroxyphenyl)-benzoxazole or -benzothiazcle zinc complex. The organic EL device of the present invention can emit light of high intensity compared with conventional organic EL devices.