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:
Jun. 22, 2010
Filed:
Mar. 14, 2005
Hans Zou, Windsor, NJ (US);
Duncan J. Anderson, Sleepy Hollow, NY (US);
Hans Zou, Windsor, NJ (US);
Duncan J. Anderson, Sleepy Hollow, NY (US);
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An illumination light source includes an incoherent solid state light source adapted to emit light over at least one light emission surface and having a total light emission surface area S; a light circulation device including at least one light receiving surface adapted to receive the light from the incoherent solid state light source, and a light extraction area having a first surface area S; and a light extraction device for extracting the light from the light circulation device at the light extraction area, wherein S<S. Accordingly, the apparent brightness of the light is increased by distributing it over a smaller area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile