| abstract |
The present invention relates to a compound and an organic electronic device thereof, which can be represented by the formula (I): wherein X1 and X2 are each independently C(Ra), and the two Ras are the same or different from each other, and X3 and X4 are each independently C(Rb), and the two Rbs are the same or different from each other; the two Ra linkages constitute an aromatic ring, and the two Rb linkages constitute an oxygen-containing heteroaromatic ring, a sulfur-containing heteroaromatic ring or a polyaromatic ring; Y1 and Y2 The same or different from each other, Y1 and Y2 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. |