And an image display method and a display device, and its driving apparatus and method

And the adaptive color conversion function and a brightness increase image display method having functions and a display device, and its driving apparatus and method is disclosed. It receives the raw image signal provided from the outside to check the saturation, and gray-scale characteristics of the original image signal corresponding to one frame. Then, by changing the raw image signal adaptively based on the checked saturation and gradation characteristics in multi-color image signals and outputting to an image display, and controls the brightness is adaptively. Accordingly, the multi-display that represents color processing to change the gray level of the color signal for the raw image signal adaptively, and by controlling in accordance with the intensity of the light source in the raw image signal, multi-lowered color luminance at the time of color display, high saturation It can overcome the problem that. Multi-color, brightness, saturation, color reproduction, saturation, and gray-scale liquid crystal