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. 03, 2019
Filed:
Mar. 31, 2017
Applicant:
Osram Gmbh, Munich, DE;
Inventor:
Henning Rehn, Berlin, DE;
Assignee:
OSRAM GMBH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 13/04 (2006.01); F21V 5/00 (2018.01); G02B 15/14 (2006.01); G02B 27/09 (2006.01);
U.S. Cl.
CPC ...
F21V 13/04 (2013.01); F21V 5/004 (2013.01); F21V 5/007 (2013.01); G02B 15/14 (2013.01); G02B 27/0961 (2013.01);
Abstract
An illumination apparatus for providing light and for illuminating an illumination plane with a rectangular light distribution is provided. The illumination apparatus includes at least one light source configured to generate light, a collimation optical unit configured to collimate the light, a condenser optical unit configured to shape a rectangular angular distribution of the light coming from the collimation optical unit, and a freeform optical unit having at least one freeform area for modifying the angular distribution such that a rectangular light distribution is produced in an illumination plane that is optically connected downstream.