| 摘要 |
A blue electroluminescent polymer represented by formula (I): <EMI ID=1.1 HE=30 WI=86 LX=643 LY=671 TI=CF> <PC>wherein Ar is a C 6 -C 26 aromatic group, or a C 4 -C 14 heteroaromatic group which contains at least one heteroatom in the aromatic ring, where the aromatic group and the heteroaromatic group may be unsubstituted or substituted with at least one C 1 -C 12 linear, branched or cycloalkyl group, alkoxy group or amine group;<BR> R and R' are independently a hydrogen atom, a C 1 -C 12 linear, branched or cycloalkyl group or alkoxy group, or a C 6 -C 14 aromatic group which may be unsubstituted or substituted with at least one C 1 -C 12 linear, branched or cycloalkyl group, alkoxy group or amine group; and n is a real number from 0.01 to 0.99. The polymer is used in electroluminescent devices as a light-emitting layer.
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