The present invention relates to an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport region comprising a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
本发明涉及一种有机发光器件,包括由
化学式 1 所代表的化合物组成的发光层和由
化学式 2 所代表的化合物组成的电子传输区域,该器件具有更高的驱动电压、效率和寿命。