| 摘要 |
PURPOSE: An organic light emitting compound and an organic electroluminescent device using the same are provided to ensure heat resistance, hole injection and transport ability, and light emitting ability and to be effectively applied to a full color display panel. CONSTITUTION: A cyclic compound contains one or more carbazole-based ring in a molecule or one or more carbazole-based rings and one or more connection groups. The rings and connection groups form a close cyclic structure. The cyclic compound is denoted by chemical formulas 1-5. An organic electroluminescent device contains a cathode, an anode and one or more organic layers between the cathode and anode. One or more organic layer contains the cyclic compounds. |
