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:
May. 24, 2016
Filed:
Dec. 19, 2013
Applicant:
Juergen Mueller, Berlin, DE;
Inventor:
Juergen Mueller, Berlin, DE;
Assignee:
OSRAM GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/20 (2006.01); F21V 9/10 (2006.01); G02B 26/00 (2006.01); F21S 10/00 (2006.01); G03B 33/08 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); F21S 10/007 (2013.01); F21V 9/10 (2013.01); G02B 26/008 (2013.01); G03B 33/08 (2013.01);
Abstract
A lighting device () comprising a pump light source, wherein the spectral composition of the useful light of the lighting device can be controlled by the control of the phase relationship between a rotating phosphor wheel and a filter wheel rotating synchronously therewith. The control of the phase relationship controls the temporal overlap of the conversion light coming from a phosphor element of the phosphor wheel with a filter element of the filter wheel, i.e. the extent of the spectral filtering of the conversion light by the filter element.