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. 10, 2019
Filed:
Jul. 13, 2015
Osram Gmbh, Munich, DE;
Sergey Khrushchev, Regensburg, DE;
OSRAM GMBH, Munich, DE;
Abstract
Various embodiments relate to a lighting device including at least one light source for emitting a polarized primary light beam (P), at least one luminescent material volume for at least partially converting primary light of the primary light beam (P) into secondary light (S) having a different wavelength, which luminescent material volume is arranged in a path of at least a primary light beam (P), and at least one light sensor, which is arranged at least in a part of an original path of the primary light beam (P) after the location of the luminescent material volume, wherein the light sensor is sensitive at least to the primary light and is polarization-sensitive. Various embodiments can, in particular, be applied to vehicle lighting devices, in particular vehicle lamps, e.g., headlamps, or modules thereof.