| 摘要 |
An organic light-emitting device comprising: an anode; a cathode; a first light-emitting layer between the anode and the cathode, the first light- emitting layer comprising a fluorescent light-emitting material having a triplet excited state energy level T1F and a triplet- triplet annihilation (TTA) promoter having a triplet excited state energy level TIT wherein T1F > 1T; and a second light-emitting layer between the anode and the cathode and adjacent to the first light-emitting layer, the second light-emitting layer comprising a phosphorescent material having a triplet excited state energy level T1P wherein T1P> T1T. |
