Patent ID: 8142910

Claim:
An organic light-emitting device, comprising: a first electrode; a second electrode; an emissive layer arranged between the first electrode and the second electrode; and a hole injecting layer arranged between the first electrode and the second electrode, wherein the hole injecting layer comprises a three-component mixture comprising a metal fluoride, an insulator, and a hole injecting layer forming organic compound, wherein the metal of the metal fluoride is a Group 1 or Group 2 element, and the insulator being one of molybdenum oxide, nickel oxide, barium oxide, tungsten oxide, caesium oxide, Rb 2 O, SrO, SrCl 2 , BaCl 2 , BCl 3 or a compound comprising an element selected from the group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba and B, and an element selected from the group consisting of S, Cl, Se, Br and I, wherein the hole injecting layer forming organic compound is selected from a group consisting of copper phthalocyanine, 1,3,5-tricarbazolylbenzene, 4,4′-biscarbazolylbiphenyl, polyvinylcarbazole, m-biscarbazolylphenyl, 4,4′-biscarbazolyl-2,2′-dimethylbiphenyl, 1,3,5-tri(2-carbazolylphenyl)benzene, 1,3,5-tris(2-carbazolyl-5-methoxyphenyl)benzene, bis(4-carbazolylphenyl)silane and N,N′-di(naphthalen-1-yl)-N,N′-diphenylbenzidine (α-NPD).