| abstract |
An organic light emitting device includes a substrate, an anodenand a cathode disposed over the substrate, and a luminescent layer disposednbetween the anode and the cathode wherein the luminescent layer includes anhost and at least one dopant. The host of the luminescent layer is selected toninclude a solid organic material comprising a mixture of at least twoncomponents, one of which is capable of forming both monomer state and annaggregate state. |