abstract |
A condensed ring compound represented by the following Chemical Formula 1 or 2, a composition including the same, and an organic light emitting device including the same are presented. <Formula 1> <Formula 2> In the formulas 1 and 2, a description of rings A 1 , ring A 2 , T 1 , L 1 , a1, R 1 to R 9 , b1 to b3 and c1, respectively, is described herein. |