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:
Mar. 29, 2011
Filed:
Nov. 13, 2006
Elvira Johanna Maria Paulussen, Eindhoven, NL;
Peter Alexander Duine, Eindhoven, NL;
Denis Joseph Carel Van Oers, Eindhoven, NL;
Elvira Johanna Maria Paulussen, Eindhoven, NL;
Peter Alexander Duine, Eindhoven, NL;
Denis Joseph Carel Van Oers, Eindhoven, NL;
Koninlijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention relates to a lamp assembly for illuminating a surface comprising a cavity () having a substantially diffuse reflective surface (), said cavity having an open aperture () facing said surface to be illuminated, and a plurality of light emitting diodes (A,B,C) capable of emitting visible light (L, L, L). The light emitting diodes are arranged on or near said diffuse reflective surface of said cavity such that light emitted from said light emitting diodes is capable of reflecting from said diffuse reflective surface towards said surface to be illuminated.