| 摘要 |
There is provided a blue luminescent material having Formula I Ar1 and Ar2 are the same or different and each is an aryl group having at least two electron-withdrawing substituents. Rand Rare the same or different and can be alkyl, or aryl. R, R, Rand Rare the same or different and can be hydrogen, alkyl, or alkoxy. n is 0 or 1.
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