| abstract |
The present invention relates to a compound and an organic electronic device thereof, which can be represented by formula (I): Wherein, X 1 and X 2 are independently C(R a ), and the two R a are the same or different from each other, X 3 and X 4 are independently C(R b ), and the two R b are each other The same or different; the two R a are connected to form an aromatic ring, the two R b are connected to form an oxygen-containing heteroaromatic ring, a sulfur-containing heteroaromatic ring or a polyaromatic ring; Y 1 and Y 2 are the same or different from each other , Y 1 and Y 2 are each represented by NR'R", wherein R' and R" are the same or different from each other, and at least one of R' and R" is an aromatic ring. |