| 摘要 |
A heterocyclic compound represented by Formula 1 below, an organic light-emitting diode including the same, and a flat panel display device including the organic light-emitting diode:
where X is *ۥAr 1 or
wherein Ar 1 , Ar 2 , R 1 , R 2 , R 3 , R 4 , Y 1 , Y 2 , Y 3 , Y 4 , a, b, c, and d are as defined in the specification. |
