Industry Patents

Patent: 8708560

Method and Apparatus for Adjusting the Color Properties or the Photometric Properties of an LED Illumination Device

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Patent Number: 8708560 
Title: Method and Apparatus for Adjusting the Color Properties or the Photometric Properties of an LED Illumination Device 
Abstract:

The invention relates to a method for the temperature-dependent adjustment of the color properties or the photometric properties of an LED illuminating device having LEDs emitting light of different colors or wavelengths or LED color groups emitting light of the same color or wavelength within a color group, the luminous flux portions thereof determine the color of light, color temperature and/or the chromaticity coordinates of the light mixture emitted by the LED illuminating device.  

Country of Issue: US 
First Named Inventor: Kraemer 
Assignee: Arnold and Richter (Arri) 
Continuation or Divisional of:  
International Classification: G01K 11/12 
US Classification: 374/162 
Issue Date: 04-29-2014 
Filing Date: 09-08-2008 
Application : 12/676890 
Notes:  
Link to Patent at freepatentsonline.com: 8708560 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 8708560 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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