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:
Jul. 06, 2004
Filed:
Sep. 12, 2002
Applicant:
Inventors:
Andries Ellens, Den Haag, NL;
Günter Huber, Schrobenhausen, DE;
Robert Mc Sweeney, Sayre, PA (US);
Assignee:
Patent-Treuhand-Gesellschaft für Elektrische Glühlampen mbH, München, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01L 3/300 ; H05B 3/340 ;
U.S. Cl.
CPC ...
H01L 3/300 ; H05B 3/340 ;
Abstract
Illumination device with at least one LED as light source, the LED emitting primary radiation in the range from 380 to 420 nm, this radiation being partially or completely converted into longer-wave radiation by phosphors which are exposed to the primary radiation from the LED, the conversion taking place at least with the aid of a phosphor which emits over a broad band and originates from the class of the (Eu,Mn)-coactivated halophosphates, the cation M representing one of the metals Sr, Ca, Ba.