| abstract |
A material of the organic electroluminescent devices is provided. The material is a luminescent material and comprises a structure represented by Formula (I): wherein R1, R2 and R3 is individually H, methyl or phenyl while R1, R2 and R3 will not be H at the same time; Ar1 and Ar2 are individually selected from substituted aryl group of 6 to 12 carbon, unsubstituted aryl group of 6 to 12 carbon, substituted aromatic ring or unsubstituted aromatic ring. The aromatic ring includes oxygen atom. |