Invention Grant
US07641987B2 Organic electroluminescent device 有权
有机电致发光器件

Organic electroluminescent device
Abstract:
An organic electroluminescent device comprising: a pair of electrodes; and at least one organic compound layer between the pair of electrodes, the at least one organic compound layer including a light emitting layer, wherein the light emitting layer contains at least one host material and at least one luminescent material, and the host material is a compound represented by the formula (I) as defined herein.
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