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:
Jan. 20, 2009
Filed:
Mar. 12, 2004
Applicant:
Wolfgang Rossner, Holzkirchen, DE;
Inventor:
Wolfgang Rossner, Holzkirchen, DE;
Assignee:
Osram Opto Semiconductors GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light source, comprising at least one LED for emitting primary radiation, and at least one phosphor for converting the primary radiation into secondary radiation. The secondary radiation has a decay time at room temperature of at least 0.1 seconds before the luminescence intensity of the secondary radiation is no longer perceptible to the human eye.