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.

Date of Patent:
Mar. 22, 2016

Filed:

Nov. 24, 2010
Applicants:

Petrus Johannes Mathijs Van Der Burgt, Valkenswaard, NL;

Stefan Marcus Verbrugh, Eindhoven, NL;

Marcellinus Petrus Carolus Michael Krijn, Eindhoven, NL;

Michel Cornelis Josephus Marie Vissenberg, Roermond, NL;

Hao HU, Beijing, CN;

Oleg Belik, Eindhoven, NL;

Robert-paul Mario Berretty, Utrecht, NL;

Lodewijk Daniella Stanslaw Hendriks, Helmond, NL;

Assignee:

KONINKLIJKE PHILIPS N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 37/02 (2013.01); H05B 33/0866 (2013.01); H05B 37/029 (2013.01);
Abstract

Light-emitting devices () and methods for operating light-emitting devices are disclosed. Each of the light-emitting devices () comprises a plurality of light sources (A-F) for illuminating a target (), wherein each of the light sources is configured to emit light within a predetermined color range. Each of the light-emitting devices comprises means () for automatically adjusting the spectral power distribution of light-emitted by the light-emitting device on basis of the color of the target or a region of the target illuminated by the light-emitting device, such that light emitted by the light-emitting device is made increasingly compliant or even compliant with a criteria of a predetermined color characteristics.


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