Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

Provided are compounds useful in OLED application that have a structure of Formula I ##STR00001## where: G.sup.D is a donor group and G.sup.A is an acceptor group; L.sup.1 and L.sup.2 are each independently an organic linker or a direct bond; G.sup.1 is a non-conjugated moiety; m is an integer of at least 1; n is an integer of at least 1; and when m, n are more than 1, each G.sup.D, G.sup.A, L.sup.1, L.sup.2 can be same or different.