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:
Feb. 04, 1992
Filed:
Dec. 18, 1989
Applicant:
Inventor:
Fusayoshi Kido, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; C09K / ;
U.S. Cl.
CPC ...
313503 ; 313509 ; 2523 / ; 340781 ;
Abstract
A thin film electroluminescence device is disclosed which comprises an electrode formed on a transparent substrate, one dielectric layer formed on the electrode, an emitting layer composed of a fluoride compound of the alkaline earth metal as a host material and element ions added as a luminescence center to the host material formed on the dielectric layer, the other dielectric layer formed on the emitting layer, the other electrode provided on the other dielectric layer.
Kido, Fusayoshi. (1992). Thin film electroluminescence device (U.S. Patent No. 5086252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5086252
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile