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 *―Ar1 or
wherein Ar1, Ar2, R1, R2, R3, R4, Y1, Y2, Y3, Y4, a, b, c, and d are as defined in the specification.
下式 1 所代表的
杂环化合物、包括该
杂环化合物的有机发光二极管以及包括该有机发光二极管的平板显示器件:
其中 X 为 *-Ar1 或
其中 Ar1、Ar2、R1、R2、R3、R4、Y1、Y2、Y3、Y4、a、b、c 和 d 如说明书中所定义。