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:
Apr. 09, 2013
Filed:
Nov. 03, 2009
Egbert Lenderink, Waalre, NL;
Marco Van As, Waalre, NL;
Petrus J. M. Burgt, Valkenswaard, NL;
Koninklijke Philipe Electronics N.V., Eindhoven, NL;
Abstract
The invention relates to an illumination device (), comprising: at least one LED () having an emission maximum in a first wavelength range; at least one LED () having an emission maximum in a second wavelength range; and a wavelength converting material () arranged to receive light of at least said first light wavelength range and having an emission maximum in a third wavelength range which is between said first wavelength range and said second wavelength range. The illumination device according to the invention may provide white light of acceptable overall color rendering while producing particularly high saturation of selected colors.