White color organic electroluminescence device and manufacture method thereof

White color organic electroluminescence device and manufacture method thereof

  • CN 102,779,948 B
  • Filed: 07/31/2012
  • Issued: 03/02/2016
  • Est. Priority Date: 07/31/2012
  • Status: Active Grant
First Claim
Patent Images

1. a white color organic electroluminescence device, is characterized in that, comprises cathode layer, anode conductive layer, and is clipped in the organic layer between described cathode layer and described anode conductive layer;

  • This organic layer comprises phosphorescence luminescent layer and fluorescent light-emitting layer;

    The glow color of this phosphorescence luminescent layer is different with the glow color of this fluorescent light-emitting layer;

    Articulamentum in compound is provided with between this phosphorescence luminescent layer and this fluorescent light-emitting layer;

    Described phosphorescence luminescent layer is yellow phosphorescence luminescent layer, to be arranged in described compound between articulamentum and described anode conductive layer;

    Described fluorescent light-emitting layer is blue luminescence layer, to be arranged in described compound between articulamentum and described cathode layer;

    In described compound, the structure of articulamentum is that bipolar transmission shaped material adulterates the single layer structure of single polar transmission shaped material, described bipolar transmission shaped material comprises CBP, described single polar transmission shaped material comprises TPBi, and CBP;

    TPBi ratio is 1;

    1, and in described compound, the thickness of articulamentum is 4nm.

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