LED light source and method for adjusting chromaticity of...

Details LED light source and method for adjusting chromaticity of... LED light source and method for adjusting chromaticity of...

2011-02-08

2011-02-08

Williams, Joseph L (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S501000, C313S503000

Reexamination Certificate

active

07884545

ABSTRACT:
The present invention is directed to the provision of an LED light source that can easily adjust its chromaticity and a chromaticity adjustment method for such an LED light source. More specifically, the invention provides a chromaticity adjustment method for an LED light source having an LED device, a phosphor which absorbs a portion of light emitted from the LED device and emits light by wavelength conversion, and a resin material containing the phosphor and disposed so as to enclose the LED device, wherein an ink coating layer is disposed on a surface of the resin material in order to adjust chromaticity; the invention also provides an LED light source adjusted in such a manner.

REFERENCES:
patent: 2004-186488 (2004-07-01), None

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