A kind of glow organic electroluminescent device

A kind of glow organic electroluminescent device

  • CN 108,987,604 A
  • Filed: 02/11/2018
  • Published: 12/11/2018
  • Est. Priority Date: N/A
  • Status: Active Grant
First Claim
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1. a kind of glow organic electroluminescent device, including reflection electrode layer (3), the luminescent layer (2) and thoroughly being cascadingPenetrate electrode layer (1), the reflection electrode layer (3) includes reflective metal layer (32), wherein the reflective metal layer (32) with it is describedTransparent electrode layer forms microcavity between (1), which is characterized in that between the luminescent layer (2) and the reflective metal layer (32)Distance d meets formula I as follows:

  • [{ (2m+1)/4 }-(1/8)] λ

    <

    η

    d <

    [{ (2m+1)/4 }+(1/8)] λ

    (I),η

    d=η

    1d1

    2d2

    3d3+…





    ndn, wherein λ

    is the emission wavelength of the glow organic electroluminescent device, λ

    '"'"'sValue is 600nm~750nm;

    η

    1

    η

    2

    η

    3......η

    n, the refractive index of each material layer between the luminescent layer (2) and the reflective metal layer (32),d1

    d2

    d3......dn, the thickness of each material layer between the luminescent layer (2) and the reflective metal layer (32);

    The integer that m is 0~10.

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