Panel video system controller and lcd device

A panel video system controller, comprising:

• a timing control circuit;
• a video processing circuit integrated with a same integrated circuit as the timing control circuit wherein the video processing circuit comprises a video processing module, the timing control circuit comprises a local dimming module, and an output end of the video processing module is directly coupled to the local dimming module;
• and
• a memory module coupled to the timing control circuit and the video processing circuit;
• wherein the video processing module comprises a video preprocessor connected with a data input end, a dynamic random access memory (DRAM) controller coupled with the video preprocessor, a video back processor coupled with the DRAM controller, a video enhancer coupled with the video back processor, a mixer coupled with the video enhancer, a dithering processor coupled with the mixer, and a first over drive module coupled with the dithering processor;
• wherein the first over drive module is directly coupled to the local dimming module of the timing control circuit, the DRAM controller is coupled to the memory module;
• wherein the timing control circuit comprises a gamma white tracking module coupled with the local dimming module, a second over drive module coupled with the gamma white tracking module, a timing controller coupled with the second over drive module, and a differential signal communication module coupled with the timing controller;
• the gamma white tracking module is coupled with the memory module;
• wherein the timing control circuit further comprises an I2C control module coupled with an external memory.