Enhanced wavelength-converting structure
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United States of America Patent
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Dec 20, 2011
Grant Date -
Feb 11, 2010
app pub date -
Aug 6, 2008
filing date -
Aug 6, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An enhanced wavelength-converting structure is disclosed. The enhanced wavelength-converting structure includes a substrate, a wavelength-converting layer arranged next to the substrate, and a wavelength-selective reflecting layer arranged next to the wavelength-converting layer. The wavelength-converting layer converts the first light into the second light. A part of the second light radiating backward to the light source is further reflected toward the substrate by the wavelength-selective reflecting layer to form the enhanced second light by combining with another part of the second light radiating toward the substrate.
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