Illumination device and method for producing a spatial pattern of light at different wavelengths
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United States of America Patent
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Jun 8, 2010
Grant Date -
May 3, 2007
app pub date -
Oct 31, 2005
filing date -
Oct 31, 2005
priority date (Note) -
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Abstract
An illumination device for use in display devices produces a spatial pattern of light at different wavelengths using multiple light sources and waveguides. Each light source emits light at a different wavelength. The waveguides define optical apertures that are spatially arranged in a predetermined pattern, and each waveguide is optically coupled to one of the light sources to produce the spatial pattern of light at wavelengths corresponding to the predetermined pattern.
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