Light emitting diode lighting system having haze-changeable film
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United States of America Patent
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Oct 13, 2015
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N/A
app pub date -
Feb 9, 2013
filing date -
Feb 9, 2012
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Abstract
Disclosed is an LED lighting system comprising a housing equipped with a transparent substrate as an illuminating side, an LED light source located in the housing, and a haze-changeable film attached to the transparent substrate, wherein the transparency of the haze-changeable film changes depending on the application of electric power and the haze-changeable film has a haze on light varying with the intensity of an applied voltage/current. The LED lighting system may be useful for interior emotional lighting because a direct/indirect lighting and a mixed lighting thereof can be provided with a single system and various correlated color temperatures can be produced with a single LED light source.
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