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:
Feb. 21, 2012
Filed:
Oct. 12, 2006
Andreas Huber, Maisach, DE;
Peter Niedermeier, München, DE;
Oskar Schallmoser, Ottobrunn, DE;
Osram AG, Munich, DE;
Abstract
A light source () is disclosed, emitting multi-colored light with light of at least two different colors, emitted from a number of primary light sources () wherein the primary light sources () are divided into groups and the brightness values of the primary light sources () within a group are determined and controlled separately according to color, such that the color location of the multi-colored light lies in a given region of the CIE standard color diagram. The invention further relates to a method for controlling such a light source () and an illumination device with such a light source (), for example, for backlighting a display.