Patent ID: 8227092

Claim:
An organic electroluminescent device, comprising: a pair of electrodes; and an organic layer interposed between the pair of electrodes, the organic layer comprising: at least one layer selected from the group consisting of a hole injection layer, a hole transport layer, an emission layer, and an electron transport layer; and a titanium oxide derivative layer consisting of 100% of a titanium oxide derivative represented by Formulae 1 through 4 formed on said at least one layer as a separate layer; Ti(OR 1 ) 4 (1) where R 1 is each independently CH 3 CO—CH═CCH 3 —, C 2 H 5 OCO—CH═CCH 3 —, —CH 3 CH—COO − NH4 + , —COR 2 , —CO(C 6 H 4 )COOR 3 , or a C 1 -C 12 alkyl group; R 2 is a substituted or unsubstituted C 1 -C 12 alkyl group; and R 3 is a substituted or unsubstituted C 1 -C 12 alkyl group; where R 4 is a substituted or unsubstituted C 1 -C 12 alkyl group; and R 5 is a substituted or unsubstituted C 1 -C 12 alkyl group; where R 6 is a substituted or unsubstituted C 1 -C 12 alkyl group; and where R 7 is a substituted or unsubstituted C 1 -C 12 alkyl group.