Patent ID: 8742402
Filing Date: 2014-06-03
Classification: H01L

Abstract:
1. An organic light-emitting device comprising: a substrate; a first electrode disposed on the substrate; a second electrode; an organic layer disposed between the first electrode and the second electrode, the organic layer comprising an emission layer; and at least one first layer disposed between the first electrode and the emission layer, the at least one first layer comprising a cyano group-containing compound and a hole transporting compound, wherein the first electrode comprises a zinc oxide layer comprising at least one element selected from the group consisting of aluminum (Al), indium (In), gallium (Ga), germanium (Ge), gadolinium (Gd), zirconium (Zr), molybdenum (Mo), and nickel (Ni) wherein the cyano group-containing compound comprises one of the compounds represented by Formulae 1 through 20: wherein: X wherein Y wherein Z A wherein Q wherein T wherein p is an integer from 1 to 10; wherein q is an integer from 0 to 10; wherein R and —N(R 107 )(R 108 ), wherein R 107 and R 108 are each independently selected from the group consisting of hydrogen, a C 1 -C 10 alkyl group, a phenyl group and a biphenyl group; and wherein L wherein the hole transporting compound comprises a compound represented by Formula 41 or 42 below: wherein, R R L n, m, a and b are each independently an integr from 0 to 10; Ar Q R Q wherein groups of Ar