LIGHT EMITTING DIODE
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United States of America Patent
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app pub date -
Aug 9, 2017
filing date -
Jun 30, 2015
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Abstract
A light emitting apparatus, including: a substrate; a light emitting diode disposed on the substrate; and a lens covering the light emitting diode. The light emitting diode includes a light emitting diode chip; a first molding portion covering the light emitting diode chip; a second molding portion covering the first molding portion. The first molding portion includes one or more kinds of phosphors and the second molding portion contains no phosphors. The light emitting diode chip is covered by a first molding portion having a high index of refraction and a second molding portion having a low index of refraction and covering the first molding portion in order to reduce total reflection in the molding portions through reduction in difference in index of refraction between external air and the molding portion having a high index of refraction, thereby increasing the quantity of light.
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