| abstract |
The present invention provides a novel compound and an organic light-emitting device using the same. The above-mentioned compound is represented by the following chemical formula 1, wherein X is O, S, or SiR 5 R 6 , R 1a to R 4a are each independently L 1 -HAr 1 or A 1 , at least one of R 1a to R 4a The above is L 1 -HAr 1 , R 1b to R 4b are each independently L 2 -HAr 2 or A 2 , and at least one of R 1b to R 4b is L 2 -HAr 2 . [chemical formula 1] |