Driving circuit and operating method thereof

A driving circuit includes a buffer module, a regenerating module, a data processing module and a driving module. The buffer module receives and temporarily stores a first image data which is a small image or color block. The regenerating module coupled to the buffer module uses the first image data to perform dynamic displaying process on an original image data according to a control signal to generate a second image data. The data processing module coupled to the regenerating module performs data processing process on the second image data to generate an output image data. The driving module coupled to the data processing module and a panel outputs the output image data to the panel. The dynamic displaying process is to dynamically superimpose the first image data on the original image data. When the panel displays the output image data, dynamic changes have continuously occurred in different small regions.