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:
May. 17, 2011
Filed:
May. 18, 2006
Marcellinus Petrus Carolus Michael Krijn, Eindhoven, NL;
Ramon Pascal Van Gorkom, Eindhoven, NL;
Michel Cornelis Josephus Marie Vissenberg, Eindhoven, NL;
Johannus Gerardus Van Beek, Eindhoven, NL;
Lingli Wang, Eindhoven, NL;
Marcellinus Petrus Carolus Michael Krijn, Eindhoven, NL;
Ramon Pascal Van Gorkom, Eindhoven, NL;
Michel Cornelis Josephus Marie Vissenberg, Eindhoven, NL;
Johannus Gerardus Van Beek, Eindhoven, NL;
Lingli Wang, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A brightness enhancing means (), comprising a collimating means () having a receiving area (), an output area () being larger than said receiving area (), and sidewalls () at least partially extending between said receiving and output areas, is provided. At least a portion of the sidewalls () of said collimating means () comprises a first filter being arranged to reflect light of a first light property, which light is received via said receiving area () of said first collimating means (), towards said output area () of said first collimating means (), wherein said first filter is a dichroic filter or a polarization filter.