A lighting device includes a light guide having a light output surface, one or more LED packages having two or more spatially separated LED chips, and two or more wavelength dependent modification features located on the output surface of the light guide. Each wavelength dependent modification features is configured to modify the intensity of light from one or more of the LED chips to provide homogeneous colored light.
Homogeneous color LED lighting device with wavelength dependent modifier on output surface of lightguide
02.04.2024
Patent
Elektronische Ressource
Englisch
LIGHTING DEVICE WITH LIGHTGUIDE ASSEMBLY WHICH CAN BE LOCKED THEREIN
Europäisches Patentamt | 2017
|Lighting device with lightguide assembly which can be locked therein
Europäisches Patentamt | 2019
|