Organic electroluminescent device

Organic electroluminescent device

  • CN 105,655,492 B
  • Filed: 12/02/2015
  • Issued: 09/03/2021
  • Est. Priority Date: 12/02/2014
  • Status: Active Grant
First Claim
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1. An organic electroluminescent device comprising:

  • an anode;

    a light emitting layer;

    an anode-side hole transport layer between the anode and the light emitting layer, the anode-side hole transport layer comprising an anode-side hole transport material and doped with an electron accepting material;

    an intermediate hole transport layer between the anode-side hole transport layer and the light emitting layer, the intermediate hole transport layer comprising an intermediate hole transport material; and

    a light-emitting layer-side hole-transport layer between the intermediate hole-transport layer and the light-emitting layer, the light-emitting layer-side hole-transport layer being adjacent to the light-emitting layer,wherein the light-emitting layer side hole transport layer includes one of the following compounds 1 to 12;

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