H.C. Park & Associates, PLC
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.
Samsung SDI Co., Ltd.
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inventional inventional inventional
Min-Chul Nam-Choul Mu-Hyun Byung-Doo Seong-Taek
Suh Yang Kim Chin Lee