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:
Jan. 17, 1995
Filed:
Feb. 24, 1992
Applicant:
Inventors:
Shogo Saito, Fukuoka, JP;
Tetsuo Tsutsui, Fukuoka, JP;
Chihaya Adachi, Tokyo, JP;
Yuji Hamada, Osaka, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
428690 ; 428917 ; 313503 ; 313504 ; 313506 ;
Abstract
There is disclosed an EL element having at least one layer made from organic materials between an electron injection electrode and a hole injection electrode, the organic materials consisting of oxadiazole series compounds which have a plurality of oxadiazole rings.