An organic electroluminescence display device can have uniformity of color coordinates by controlling the thickness of SiNx layer under an organic light-emitting element. Such an organic electroluminescence display device can include a TFT, a passivation layer formed on the TFT, and an organic light-emitting element on the passivation layer. The passivation layer can have a thickness deviation range of about 200 .ANG. or less.

 
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