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:
Apr. 08, 2014
Filed:
Oct. 07, 2009
Simone Capeleto, Padua, IT;
Katrin Schroll, Matzing, DE;
Simon Schwalenberg, Donaustauf, DE;
Ulrich Streppel, Regensburg, DE;
Simone Capeleto, Padua, IT;
Katrin Schroll, Matzing, DE;
Simon Schwalenberg, Donaustauf, DE;
Ulrich Streppel, Regensburg, DE;
OSRAM Gesellschaft mit beschrankter Haftung, Munich, DE;
Abstract
An optical system including at least one light source, such as a LED source (), and an optics () subjected to aging as a result of exposure to the light source () is designed by: defining an aging model for the optics (), defining a thermal model for the light source () as a spatial function representative of the temperature generated by the light source (), and defining the distance of the optics () from the light source () as a function of the aging model and the thermal model. The optical overall system (single or multiple reflector and lens) is finally optimised starting from the results achieved in the previous steps.