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Light-emitting diode (LED), LED package and apparatus including the same

  • US 10,243,123 B2
  • Filed: 09/14/2017
  • Issued: 03/26/2019
  • Est. Priority Date: 08/26/2015
  • Status: Active Grant
First Claim
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1. A multi-color light-emitting apparatus comprising:

  • first, second, and third light-emitting structures each including a first-conductivity-type semiconductor layer, a second-conductivity-type semiconductor layer, and an active layer between the first and second-conductivity-type semiconductor layers;

    a first optical wavelength conversion layer on an upper surface of the first-conductivity-type semiconductor layer of the first light-emitting structures;

    a first optical filter layer on an upper surface of the first optical wavelength conversion layer;

    a reflection layer on a lateral surface of the first optical wavelength conversion layer;

    a first electrode electrically connected to the first-conductivity-type semiconductor layer;

    a second electrode arranged on a lower surface of the second-conductivity-type semiconductor layer and electrically connected to the second-conductivity-type semiconductor layer, wherein lateral surfaces of the first optical filter layer and the reflection layer are substantially coplanar;

    a first metal post and a second metal post arranged on and connected to the first electrode and the second electrode, respectively; and

    a lateral encapsulation arranged between the first metal post and the second metal post and insulating the first metal post from the second metal post,wherein the lateral encapsulation is spaced apart from the first-conductivity-type semiconductor layer and the second-conductivity-type semiconductor layer.

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