| abstract |
An electroluminescent device comprised of an anode, a hole transporting layer, a light emitting layer, and a cathode, wherein said light emitting layer contains a component of the formula ##STR1## wherein Ar 1 , Ar 2 , Ar 3 , and Ar 4 are each independently aryl or optionally aliphatic; R 1 and R 2 are independently selected from the group consisting of hydrogen, aliphatic, halogen, and cyano; L is a suitable linking group; and n is a number of from 0 to about 3. |