Patent ID: 7375462

Claim:
An organic electroluminescent display device, comprising: a substrate; a first electrode formed on the substrate; a light emitting layer formed on the first electrode; and a second electrode formed on an upper part of the light emitting layer, wherein the light emitting layer is doped with a UV stabilizer, and the UV stabilizer has an absorption range of 420 nm or less, and wherein the UV stabilizer is one or more compounds selected from the group consisting of hydroxybenzophenone-based compound, hydroxyphenylbenzotriazole-based compound, hindered-amines-based compound, organometallic compound comprising one metal selected from the group consisting of iron, nickel and cobalt, salicylate-based compound, cinnamate derivative, resorcinol-monobenzoates-based compound, oxanilides-based compound, hydroxybenzoates-based compound, carbon black, stilbene derivative, benzoxazolyl-based compound, benzimidazolyl-based compound, naphthlyimide-based compound, diaminostilbenesulfonate-based compound, triazinestilbene-based compound, phenylester-based compound, benzotriazole-based compound, S-triazine-based compound, hydroxyphenyl-derivative-of-benzoxazole-based compound, hexamethylphosphoricamide-based compound, benzylidenemalonate-based compound, aliphatic-amine-or amino-alcohol-based derivative, nitroaromatic compound, substituted-acrylonitrile-based-compound, ferrocene-based compound, nitrophenylazophenol-based compound, azo compound, polyene-based polymer derivative, piperidine-based compound, piperidineoxy-based compound, borontrifluoride-based compound, thiadiazole-based compound, and phosphonate-based compound.