EP3072887B1 - N,n'-Bis(2,6-Diisopropylphenyl)-1,7-Di(2,6-Diphenylphenoxy)perylene-3,4;9,10-Tetracarboximide, N,n'-Bis(2,6-Diisopropylphenyl)-1,6-Di(2,6-Diphenylphenoxy)perylene-3,4;9,10-Tetracarboximide and the Use Thereof