| 摘要 |
<p>The organic electroluminescence element includes a substrate, a pair of electrodes formed on the substrate, and one orpluralorganic layers between the pair of the electrodes, said organic layer containing a luminescent layer, wherein the luminescent layer contains a compound represented by the following formula (1) and a charge-transporting non-conjugated polymer;10 (1) in the formula (1), RItoRseachareindependentlyahydrogen atom or an alkyl group having I to 20 carbon atoms; a plurality of the alkyl groups may be linked with one another to form a ring;15 at least two of Rr to R are each the alkyl group; andat least one of the alkyl groups is an alkyl group having a tertiary or quaternary a-carbon atom.The organic electroluminescence element has high luminescence efficiency and long service life.20No suitable figure.</p> |
