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:
Sep. 21, 2004
Filed:
Jun. 19, 2003
Applicant:
Inventors:
Bill Chang, Hsin Chu, TW;
Bily Wang, Hsin Chu, TW;
Assignee:
Harvatek Corporation, Hsinchu, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/906 ;
U.S. Cl.
CPC ...
H01L 2/906 ;
Abstract
A colorless light approaching that of white light in nature, is produced by using no more than two color LEDs covered with one or more layers of complementary color phosphorescent glue on an insulating substrate.