NAPHTHALENE DERIVATIVES, ORGANIC MATERIAL USING SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME

摘要

The present invention relates to a compound expressed by the following chemical formula 1. The brightness of the luminescence of the compound of the present invention may be high, the efficiency of the luminescence thereof may be high, and the color purity thereof and the stability thereof at high temperatures may be superior, and therefore the compound may be used for a material having a long lifespan and intended for an organic electroluminescent device, and for an organic electroluminescent device having a long lifespan.