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:
May. 20, 1986
Filed:
Feb. 22, 1985
Applicant:
Inventor:
Hisao Kawai, Yamanashi, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
4284111 ; 313509 ; 313512 ; 428426 ; 428432 ; 428457 ; 428917 ;
Abstract
An electroluminescence element has a luminescence layer sandwiched between a transparent electrode and a back electrode so as to generate luminescence upon an application of an electric field between the transparent and back electrodes, wherein a light reflector is arranged behind the back electrode, and a light absorber is arranged at a side of a light extraction side of the electroluminescence element.