Patent ID: 8384068

Claim:
An organic light-emitting diode comprising an acridine derivative of the general formula (I) as matrix material in a light-emitting layer of the organic light-emitting diode and/or as electron blocker in the organic light-emitting diode in which: (Het)Ar 1 and (Het)Ar 2 are each independently an unsubstituted or substituted aryl radical or an unsubstituted or substituted heteroaryl radical; R 1 is an unsubstituted phenyl radical; R 2 , R 3 are each independently an unsubstituted or substituted alkyl radical which may be linear or branched, an unsubstituted or substituted cycloalkyl radical, an unsubstituted or substituted heterocycloalkyl radical, an unsubstituted or substituted aryl radical, an unsubstituted or substituted heteroaryl radical, or a silyl radical; n, m are each independently 0, 1, 2, 3 or 4, where, in the case that n or m is 0, all positions in the acridine base skeleton substitutable by R 2 or R 3 are hydrogen; is not present; and is not present.