Homogenization of an LED array

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United States of America Patent

PATENT NO 12117159
APP PUB NO 20230383923A1
SERIAL NO

18450141

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Abstract

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A luminaire and LED light engine are provided. The luminaire includes the LED light engine and an optical device. The LED light engine includes an LED array and a partial diffuser. The partial diffuser diffuses light that is emitted by LEDs of a selected first subset of LEDs in the LED array and leaves undiffused light that is emitted by LEDs of a second subset of LEDs in the LED array. At least some LEDs are selected for inclusion in the first subset as emitting light that produces poorly blended colors in a light beam emitted by the LED array. The optical device is configured to receive a light beam emitted from the LED light engine and emit a modified light beam.

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Patent Owner(s)

Patent OwnerAddress
ROBE LIGHTING S R O756 61 ROZNOV POD RADHOSTEM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
David, Tomas Podoli, CZ 17 34
Valchar, Josef Prostredni Becva, CZ 109 446
Vilem, Jan Vsetin, CZ 23 31

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