Homogeneous color LED lighting device with wavelength dependent modifier on output surface of lightguide

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United States of America Patent

PATENT NO 11947151
APP PUB NO 20230185012A1
SERIAL NO

17917635

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
DESIGN LED PRODUCTS LIMITEDEDINBURGH EH3 9EP

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gourlay, James Livingston, GB 22 456
Jankauskas, Marius Livingston, GB 2 0

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