| abstract |
The present invention relates to a thermally activated delayed fluorescent material and a device. The thermally activated delayed fluorescent material includes a compound represented by the following general formula (1): wherein R, G and A are as defined in the specification. The compound described by the general formula (1) can be used as the material of the organic material layer in organic electronic devices, especially in organic electroluminescence, especially the material of the core light-emitting layer can realize high-efficiency organic light-emitting diode devices. |