| abstract |
The invention provides an organic electroluminescent compound with a spiro structure. The compound has good thermal stability, high luminous efficiency and high luminous purity, and can be used for making organic electroluminescent devices and applied to organic electroluminescent devices. , organic solar cells, organic thin film transistors or organic photoreceptors. The present invention also provides an organic electroluminescence device, which comprises an anode, a cathode and an organic layer, the organic layer comprising a light-emitting layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer, and an electron transport layer At least one layer of the organic layer contains a compound of formula I. |