No. (not yet assigned???D/A1581), the disclosure of which is totally incorporated herein by reference, or a red emitting material encompassed by Formula I wherein, for example, X is a C atom or an N atom; R1, R2 and R3 are each independently selected from the group consisting of hydrogen; alkyl; aryl; with substituents of, for example, recognized donor and acceptor groups wherein R1 and R2 may be