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.:

US 6528943 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 04, 2003

Filed:

Jun. 01, 2001
Applicant:
Inventors:

William A. Coghlan, Tempe, AZ (US);

David A. Hardinger, Chandler, AZ (US);

David G. Pires, Phoenix, AZ (US);

Assignee:

Durel Corporation, Chandler, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/314 ;
U.S. Cl.
CPC ...
H05B 3/314 ;
Abstract

Brightness is improved, without decreasing lamp life, by driving an EL lamp at higher voltage and less current, by increasing phosphor loading, by low loss dielectric, and by depositing the phosphor layer in two passes.


Find Patent Forward Citations

Coghlan, William. (2003). El lamp with increased phosphor density (U.S. Patent No. 6528943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6528943

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…