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Organic electroluminescent device

  • US 10,217,967 B2
  • Filed: 05/30/2018
  • Issued: 02/26/2019
  • Est. Priority Date: 03/26/2002
  • Status: Expired due to Term
First Claim
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1. A display device comprising an organic electroluminescent element comprising a plurality of light emissive units, each of which has at least one light emissive layer, provided between a first electrode and a second electrode opposed to said first electrode,wherein said light emissive units are partitioned from each other by at least one charge generation layer,wherein said charge generation layer comprises an electron accepting material and an electron donating material and has a resistivity of not less than 1.0×

  • 102 Ω

    cm,wherein the organic electroluminescent element is configured to emit light from an area where the first electrode and the second electrode are vertically superimposed, andwherein the area comprises a plurality of areas, each of the plurality of areas corresponding to pixels of the display device.

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