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LIGHT-EMITTING APPARATUS INCLUDING PHOTOLUMINESCENT LAYER

  • US 20160359091A1
  • Filed: 06/01/2016
  • Published: 12/08/2016
  • Est. Priority Date: 06/08/2015
  • Status: Active Grant
First Claim
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1. A light-emitting apparatus comprising a photoluminescent layer that emits light in response to excitation light and has a light-emitting surface, the light from the photoluminescent layer being emitted through the light-emitting surface,wherein the light-emitting surface includes a first region and a second region,the light from the photoluminescent layer includes first light having a wavelength λ

  • a in air, andthe first light emitted through the first region has a smaller directional angle than the first light emitted through the second region.

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