abstract |
The compound represented by the following formula (A) and an organic light emitting device having the same are provided.n n n ≪ Formula (A)n n n n n n n n In Formula A, CY1, CY2, R 1 , R 2 , R 3 , R 4 , X 1 , X 2 , R 5 , R 6 , a and b refer to the detailed description of the invention.n n n n Organic light emitting device |