In the embodiment of the present invention, the deep blue high thermally activated delayed fluorescent material has a high ratio of thermally activated delayed fluorescent material to photoluminescence quantum yield, thereby an organic light emitting diode display device having high luminescent efficiency high is achieved.
In the above, the present application has been described in the above preferred embodiments, but the preferred embodiments are not intended to limit the scope of the invention, and a person skilled in the art may make various modifications without departing from the spirit and scope of the application. The scope of the present application is determined by claims.