Invention Grant
US07550207B2 Blue-emitting polymer and organic electroluminescent device using the same 有权
蓝色发光聚合物和使用其的有机电致发光器件

Blue-emitting polymer and organic electroluminescent device using the same
Abstract:
A blue-emitting polymer in which a bisindenospirofluorene unit is incorporated in a polyarylene polymer backbone, and an organic EL device using the blue-emitting polymer as a light-emitting material. One example of the blue-emitting polymer may be represented by Formula 1: where Ar, R1 through R14, X1 and X2, M and n are defined in the specification. The organic EL device exhibits excellent emission efficiency, low turn-on voltage, good color stability and color purity.
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