| abstract |
A display comprising one or more organic light emitting diodes, wherein the one or more organic light emitting diodes comprise an anode, a cathode, a light emitting layer between the anode and the cathode, and a compound according to formula (I) between the cathode and the light emitting layer, RTI ID = 0.0 > layer < / RTI > Wherein R, A 1 and A 2 are independently halogen, CN, substituted or unsubstituted C 1 -C 20 - alkyl, heteroalkyl, C 6 -C 20 - aryl or C 5 -C 20 - heteroaryl, C 1 C 20 -alkoxy or C 6 -C 20 -aryloxy, A 3 is selected from substituted or unsubstituted C 6 -C 40 -aryl or C 5 -C 40 -heteroaryl, m is 0, 1 or 2, and n is 0, 1 or 2. |