abstract |
The organic light-emitting device that the invention provides a kind of fused ring compound and comprise this fused ring compound, described fused ring compound means by formula 1: formula 1n wherein, Rn 1 and Rn 2 , Arn 1 to Arn 4 , Ln 1 and Ln 2 , Xn 1 and Xn 2 and a and b limit as specification sheets. |