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Organic electroluminescent element

  • US 20070090756A1
  • Filed: 10/10/2006
  • Published: 04/26/2007
  • Est. Priority Date: 10/11/2005
  • Status: Abandoned Application
First Claim
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1. An organic electroluminescent element including, interposed between a pair of electrodes, an organic layer including at least one luminescent layer and at least one charge transporting layer, wherein the organic electroluminescent element comprises:

  • (1) two or more kinds of host materials and at least one luminescent material included in the luminescent layer;

    (2) at least one layer that is adjacent to the luminescent layer and includes a host material and substantially no luminescent material; and

    (3) at least one charge transporting layer being doped with at least one of an electron-accepting compound or an electron-donating compound.

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