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US Patent 7547113 Full-color LED-based lighting device

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Patent
Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
75471130
Patent Inventor Names
Wei-Chiang Lee0
Date of Patent
June 16, 2009
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Patent Application Number
114818300
Date Filed
July 7, 2006
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Patent Citations Received
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US Patent 12018828 Electronic module group
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US Patent 11765805 Photocontroller and/or lamp with photocontrols to control operation of lamp
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US Patent 11802682 Modular articulating lighting
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US Patent 11940135 LED lighting methods and apparatus
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US Patent 11959601 Lamp module group
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Patent Primary Examiner
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Sandra L. O'Shea
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Patent abstract

A LED full-color lighting device contains a control unit, a light source unit, and a light display unit. The control unit relies on at least a potentiometer to apply various voltages to constant current sources, which in turn individually vary the current conducting through the red, green and blue LEDs of the light source unit, so as to deliver light of various colors. The colored light emitted from the light source unit can be easily and conveniently adjusted to fit a user's specific preference and mood. Colored patterns or textures can be formed on the light display unit so that the color of the light of the light source unit would mix with the colors of the patterns or textures to produce a visual effect as if some of the patterns or textures are changed.

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