| abstract |
The OLED device comprises a cathode, an anode, and a light emitting layer therebetween, the light emitting layer comprising a host having an anthracene nucleus and a light emitting material having a 1,3-butadiene nucleus. The butadiene nucleus is substituted with an aromatic group independently selected at the 1-position and the 4-position, at least one of the aromatic groups is further substituted with an amino group, and the amino group has 2 Further substituted with two independently selected aryl or heteroaryl groups. |