LED Device Architecture Employing Novel Optical Coating and Method of Manufacture
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United States of America Patent
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Issued Date -
Oct 11, 2012
app pub date -
Apr 1, 2010
filing date -
Dec 30, 2009
priority date (Note) -
Abandoned
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Abstract
An improved LED device is disclosed and includes at least one active layer in communication with an energy source and configured to emit a first electromagnetic signal within a first wavelength range and at least a second electromagnetic signal within at least a second wavelength range, a substrate configured to support the active layer, at least one coating layer formed from alternating layers of silicon carbide and alumina applied to a surface of the substrate, the coating layer configured to reflect at least 95% of the first electromagnetic signal at the first wavelength range and transmit at least 95% of the second electromagnetic signal at the second wavelength range, at least one metal layer applied to the coating layer and configured to transmit the second electromagnetic signal at the second wavelength range therethrough, and an encapsulation device positioned to encapsulate the active layer.
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