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Light-emitting device

  • US 10,012,363 B2
  • Filed: 12/19/2016
  • Issued: 07/03/2018
  • Est. Priority Date: 08/27/2012
  • Status: Active Grant
First Claim
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1. A light-emitting device, comprising:

  • a light source configured to emit a first light at a first high temperature;

    a wavelength conversion material, arranged on the light source, configured to generate a second light in response to an irradiation of the first light, and reach a second high temperature higher than the first high temperature under the irradiation of the first light; and

    an optical element separated from the light source by a distance greater than zero, and arranged between the light source and the wavelength conversion material,wherein the wavelength conversion material is unitary, andwherein the optical element has a width larger than that of the light source.

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