| 摘要 |
The present invention relates to a compound denoted by chemical formula 1 and an organic electroluminescent device comprising the same. The organic electroluminescent device comprises the compound denoted by the chemical formula 1 in more than one organic layer, more desirably in a luminous layer for improving luminance efficiency, driving voltage, and lifetime. (In the chemical formula 1, X1-X4 and Y1-Y10 are defined by each specific explanation) |
