LED Device With A Light Extracting Rough Structure And Manufacturing Methods Thereof
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United States of America Patent
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app pub date -
Nov 23, 2011
filing date -
May 11, 2009
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Abandoned
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Abstract
A light emitting diode device includes a substrate, one or more light emitting diode chips on the substrate configured to emit electromagnetic radiation, and a lens configured to encapsulate the light emitting diode chips having a surface with a micro-roughness structure. The micro-roughness structure functions to improve the light extraction of the electromagnetic radiation and to direct the electromagnetic radiation outward from the lens.
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