| 摘要 |
The present invention is related to an indole-based compound represented by Formula (I) disclosed in the application useful in forming a light emitting material for an organic electroluminescent device. One of the aspects of the invention is directed to an organic electroluminescent device having a multi-layered structure comprising a cathode, an anode and at least one organic layer, wherein said at least one organic layer comprises the indole-based compound. The indole-based compound contains two light-emitting units, each having an indole-based structure, linked with a connecting unit, which is an arylamine. The color of the light emitted by the light emitting material can be adjusted by changing the connecting unit.
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