OLED and fabricating method of the same

摘要

The present invention provides an organic light emitting device comprising: a substrate; a first conductive layer and a second conductive layer, which are sequentially positioned on the substrate; and at least one organic material layer, including a light emitting layer, which is interposed between the first conductive layer and the second conductive layer; wherein the organic light emitting device comprises a pattern layer formed corresponding to the light emitting region between at least one organic material layer and at least one conductive layer of the first conductive layer and the second conductive layer; charges are injected or transported between the conductive layer and the organic material layer through the pattern layer; and charges are not directly injected or transported in the region in which two layers each in contact with the upper surface and the lower surface of the pattern layer are directly in contact, and a method for preparation thereof.

主权项

1. An organic light emitting device comprising:
a substrate: an anode layer positioned opposite the substrate; an n-type organic material pattern layer comprising a compound of formula 1 or formula 1-6 and positioned directly in contact with the anode layer and opposite both the substrate and the anode; a p-type organic material layer positioned directly in contact with the n-type organic material pattern layer and the anode layer, wherein the p-type organic material layer forms an NP junction with the n-type organic material pattern layer; a light emitting layer positioned opposite both the p-type organic material layer and the anode; a cathode positioned opposite both the light emitting layer and the p-type organic material layer; a light emitting region in which the anode is directly in contact with the n-type organic material pattern layer and the n-type organic material pattern layer is directly in contact with the p-type organic material layer; and a non-light emitting region in which the p-type organic material layer is directly in contact with the anode; wherein formula 1 is as follows: wherein R1 to R6 are each selected from the group consisting of hydrogen, a halogen atom, nitrile (—CN), nitro (—NO2), sulfonyl (—SO2R), sulfoxide (—SOR), sulfonamide (—SO2NR), sulfonate (—SO3R), trifluoromethyl (—CF3), ester (—COOR), amide (—CONHR or —CONRR′), substituted or unsubstituted linear or branched C1-C12 alkoxy, substituted or unsubstituted linear or branched C1-C12 alkyl, substituted or unsubstituted aromatic or non-aromatic heterocycle, substituted or unsubstituted aryl, substituted or unsubstituted mono-arylamine or di-arylamine, and substituted or unsubstituted aralkylamine, and R and R′ are each selected from the group consisting of substituted or unsubstituted C1-C60 alkyl, substituted or unsubstituted aryl, and substituted or unsubstituted 5- to 7-membered heterocycle; and wherein formula 1-6 is as follows: