US Patent 7375462 Organic electroluminescent display device comprising ultraviolet light stabilizer

The present invention relates to an organic electroluminescent display device comprising a UV stabilizer and provides an organic electroluminescent display device whose characteristics are not degraded by ultraviolet rays even after being exposed to sunlight by providing 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 the 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.