The present disclosure relates to a spiro compound and application thereof. The spiro compound has a structure as shown in a formula (1). The material provided in the present disclosure has advantages such as high optical and electrical stability, low sublimation temperature, low drive current, low lateral mobility of carriers, high luminous efficiency, and long service life of a device, and can be used in an organic electroluminescent device. In particular, the compound has the possibility of being applied in the AMOLED industry as a hole injection or transport material.

The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.

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