abstract |
The present invention relates to an aryl amine derivative and an organic electroluminescent device using the same, and more particularly, to synthesize an aryl amine derivative substituted with deuterium, and to use it as a hole transporting material of the organic electroluminescent device of a multilayer structure organic electroluminescence The present invention relates to a technology capable of improving the stability, luminance, luminous efficiency and power efficiency of a device. |