A driving circuit configured to receive metadata and image signals, the driving circuit comprising: a meta-data parsing circuit configured to parse the metadata and output parsed metadata; an image analyzing and data processing circuit configured to analyze the image signals based on the parsed metadata and output a parameter and data signals; a reference voltage selector configured to output a reference voltage selection signal based on the parameter and the parsed metadata; a grayscale voltage generator configured to select a plurality of reference voltages in response to the reference voltage selection signal and generate a plurality of grayscale voltages based on the selected reference voltages; and an output circuit configured to convert the data signals to data voltage signals based on the grayscale voltages.