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:
Oct. 05, 2004
Filed:
Jul. 19, 2002
Applicant:
Inventors:
Assignee:
Patent-Treuhand-Gesellschaft für Elektrische Glühlampen mbH, München, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 1/100 ; H01J 1/62 ; H01J 6/304 ;
U.S. Cl.
CPC ...
F21V 1/100 ; H01J 1/62 ; H01J 6/304 ;
Abstract
The planar light source ( ) uses the principle of RGB mixing, the radiation of UV diodes ( ) arranged in a planar fashion being converted by means of phosphors ( ) which emit in the red and green spectral regions. The blue component is added by blue-emitting LEDs ( ) whose radiation is preferably launched as a lateral diode row ( ).