| 摘要 |
FIELD: physics. ^ SUBSTANCE: organic light-emitting device has an anode, a cathode and a light-emitting layer between the anode and the cathode and containing an organic compound, wherein the light-emitting layer contains oligomeric material without molecular weight distribution but having a single molecular weight, and polymer material having molecular weight distribution. The oligomeric material contains a compound having a fluorene link. ^ EFFECT: high emission efficiency and long service life. ^ 11 cl, 9 dwg |
