Illumination Device, Illumination Control Apparatus, Illumination System
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Dec 20, 2006
filing date -
Dec 21, 2005
priority date (Note) -
Abandoned
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Abstract
An illumination device comprises on a common substrate (10) at least one LED (11) of a first color, preferably blue, at least one LED (12) of a second color, preferably red, and preferably at least one LED (13) of a third color, preferably green, and at least one white LED (14). An illumination control apparatus (8) for an illumination device (1) comprises differing controllable power sources (83) for LEDs of differing colors for producing independently controlled operation signals for said LEDs of differing colors, differing output terminals (84) for the LEDs of differing colors for supplying the independently controlled operation signals to said LEDs of differing colors, and a first control means (81) for generating operation control signals for the controllable power sources. An illumination system comprising one or more above-mentioned illumination devices and one or more above-mentioned illumination control apparatuses.
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