Light emitting diode and manufacture method thereof

Light emitting diode and manufacture method thereof

  • CN 103,270,611 B
  • Filed: 06/13/2011
  • Issued: 12/21/2016
  • Est. Priority Date: 12/24/2010
  • Status: Active Grant
First Claim
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1. a light-emitting diode chip for backlight unit, described light-emitting diode chip for backlight unit includes:

  • Substrate;

    Ray structure, is arranged in substrate, and ray structure includes the first conductive-type semiconductor layer, second leadsElectricity type semiconductor layer and being arranged between the first conductive-type semiconductor layer and the second conductive-type semiconductor layerActive layer;

    AndAlternatively laminated polycrystalline substance, substrate is arranged on alternatively laminated polycrystalline substance, ties bottom alternatively laminatedStructure includes multiple electrolyte pair, and each electrolyte is to including the first material layer and bag of comprising first refractive indexThe second material layer containing the second refractive index, first refractive index is bigger than the second refractive index, the plurality of electrolyteTo including;

    Multiple first electrolytes pair, each first electrolyte is to including the first material layer and the second materialLayer, the optical thickness of the first material layer and the second material layer is respectively less than λ

    /4;

    At least two the second electrolyte pair, each second electrolyte is to including the first material layer and secondThe optical thickness of a material layer in material layer, the first material layer and the second material layer is less than λ

    /4, anotherThe optical thickness of individual material layer is more than λ

    /4;

    AndMultiple 3rd electrolytes pair, each 3rd electrolyte is to including the first material layer and the second materialLayer, the optical thickness of the first material layer and the second material layer is all higher than λ

    /4,Wherein, λ

    is the centre wavelength of visible-range.

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