Organic electroluminescent element, illuminator and display

Details Organic electroluminescent element, illuminator and display Organic electroluminescent element, illuminator and display

2011-01-04

2011-01-04

Tarazano, D. Lawrence (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C252S301160, C252S301210, C257S040000, C257S088000, C257S089000, C257S103000, C257SE51022, C257SE51051, C564S336000

Reexamination Certificate

active

07862909

ABSTRACT:
An organic electroluminescent element comprising an anode and a cathode having therebetween an emission layer containing a phosphorescent compound and an layer adjacent to the emission layer, the layer adjacent to the emission layer being provided between the emission layer and the cathode, wherein the layer adjacent to the emission layer comprises a compound having an electron withdrawing group; and the compound exhibits a HOMO level of −5.7 to −7.0 eV and a LUMO level of −1.3 to −2.3 eV.

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