发明申请
US20070057630A1 Organic electroluminescent element 有权
有机电致发光元件

Organic electroluminescent element
摘要:
The present invention provides an organic electroluminescent element comprising a plurality of organic compound layers between a pair of electrodes and comprising at least a luminescent layer and a buffer layer adjacent to the luminescent layer, the luminescent layer comprising at least two host materials and at least one luminescent material, the buffer layer comprising at least one of the host materials and at least one dopant material having a charge trapping function.
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