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, 2013
Filed:
Jun. 14, 2010
Teunis Willem Tukker, Eindhoven, NL;
Erik Boonekamp, Utrecht, NL;
Ralph Kurt, Eindhoven, NL;
Mark Eduard Johan Sipkes, Waalre, NL;
Teunis Willem Tukker, Eindhoven, NL;
Erik Boonekamp, Utrecht, NL;
Ralph Kurt, Eindhoven, NL;
Mark Eduard Johan Sipkes, Waalre, NL;
Koninklijke Philips N. V., Eindhoven, NL;
Abstract
An illumination system () for spot illumination comprising a tubular reflector () with a reflective inner surface, the tubular reflector () having an entrance aperture () and an exit aperture () being larger than the entrance aperture (); a light-source array () comprising a plurality of light-sources (----) arranged to emit light into the tubular reflector () at the entrance aperture thereof; and a light-diffusing optical member () arranged to diffuse light emitted by the illumination system (). The light-diffusing member () is configured to exhibit an increasing diffusing capability with increasing distance from an optic axis () of the illumination system.