This is a patent related to organic light-emitting compounds represented by the following [Chemical Formula 1-1] to [Chemical Formula 1-2], and organic electroluminescent devices adopting them have excellent luminescent efficiency, low voltage operation capability, improved power efficiency, and long-term characteristics. [Chemical Formula 1-1] [Chemical Formula 1-2].
This is a Korean text, not Chinese. Here is the translation into Chinese:
本发明涉及有机发光化合物,其被表示为从以下选择的[A化学式]或[B化学式]中的任一种,以及包含它们的有机发光器件,其中取代基A1至A4,R',R",X,Y和Z以及n分别与本发明详细描述中所定义的相同。 [化学式A] [化学式B]