Abstract: An organic compound represented by chemical formula 1 of the present invention can implement excellent hole transfer characteristics. In addition, at least one of a hole transport layer and a hole transport auxiliary layer of an organic light emitting diode of the present invention comprises the organic compound represented by chemical formula 1 of the present invention, and thus can improve operation voltage, efficiency, and lifetime characteristics of the organic light emitting diode and, even when combined with a light emitting layer of any color, can implement excellent color coordinates targeted by the light emitting layer.

Abstract: An organic compound represented by a Chemical Formula 1 in accordance with the present invention exhibits excellent hole injection and hole transport characteristics. In addition, an hole transport auxiliary layer of the organic light-emitting diode in accordance with the present invention contains the organic compound represented by the Chemical Formula 1 to lower an operation voltage, and improve efficiency, and lifetime characteristics of the organic light-emitting diode.

Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device comprising the same. More specifically, the present invention provides an organic electroluminescent device which has a low driving voltage and is significantly improved in terms of device efficiency characteristics and lifetime.

Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device including the same, and more specifically, provides an organic electroluminescent device which has a low driving voltage and significantly improved device efficiency characteristics and lifetime.