| abstract |
The present invention provides a novel stable organic compound and also provides an organic light-emitting device having a high luminous efficiency and a low driving voltage. The present invention relates to a spiro compound represented by the following Formula [1]: wherein, R 1 to R 5 are each independently selected from hydrogen atoms and alkyl groups having 1 to 4 carbon atoms and may be the same or different; and X is any of a sulfur atom, an oxygen atom, and a carbon atom, and when X is a carbon atom, the carbon atom may have one or two alkyl groups having 1 to 4 carbon atoms, and when the carbon atom has two alkyl groups having 1 to 4 carbon atoms, the two alkyl groups may be the same or different. |