Device and method of selecting one of two video signal processing functions for a liquid crystal display

摘要

A device for selecting an image processing function (22) is provided. The device (22) comprises an analog-to-digital converting unit (222) outputting a first image (223) in response to an image signal (221) having a first frequency (f1); a frame buffer unit (2246) having a frame buffering function; and an over-driving unit (2241) having an over-driving function, wherein the device for selecting the image processing function (22) enables one of the frame buffering function and the over-driving function according to the first frequency (f1).