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:
Apr. 28, 1987
Filed:
Jan. 06, 1986
Applicant:
Inventors:
Assignee:
Alps Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44D / ; B05D / ; B05D / ;
U.S. Cl.
CPC ...
427 66 ; 427 71 ; 427217 ; 428690 ; 428691 ; 428917 ; 313503 ; 313505 ; 313509 ;
Abstract
A dispersion electroluminescence element comprising a fluorescent powder layer which is formed on a transparent electrode by coating process and a counter electrode facing said transparent electrode with said fluorescent powder layer interposed therebetween, characterized in that the fluorescent particles in the fluorescent material layer are coated with copper after forming the layer on the transparent electrode and then laminating the counter electrode thereon.