Patent ID: 8654157

Claim:
An image display device that time-divides one frame period of an image signal into a plurality of sub-frame periods to display images, comprising: an inputting unit into which said image signal is inputted from outside one frame at a time; a correction unit that corrects a gradation level of the inputted image signal for a frame; a storage unit that stores the corrected gradation level of the image signal of said frame; and a frame division unit that time-divides the corrected and stored image signal of said frame into the plurality of sub-frame periods, wherein said storage unit already is storing the corrected gradation level of the image signal of a frame immediately preceding said frame when said correction unit corrects the gradation level of the image signal of said frame, and wherein said correction unit corrects the gradation level of the image signal of said frame in accordance with a relation between the corrected gradation level of the image signal of the frame immediately preceding said frame and the gradation level of the image signal of said frame.