Patent ID: 7889166
Filing Date: 2011-02-15
Classification: G09G

Abstract:
1. A liquid crystal display device comprising: a display panel including a plurality of pixels; a signal controller that stores a plurality of dithering data patterns including data elements having a first value or a second value, selects one of the dithering data patterns based on input image data having a first number of bits, and converts the input image data into output image data having a second number of bits that is smaller than the first number of bits based on the selected dithering data pattern; and a data driver that applies data voltages to the pixels, the data voltages corresponding to the output image data from the signal controller, wherein the dithering data patterns are repeated every eight frames, and each of the dithering data patterns has a 2×2 matrix, and wherein a difference between the first number of bits and the second number of bits is equal to three, and wherein each of the eight dithering data patterns corresponding to each of the lower 3-bit data of the input image data is such that either the dithering data patterns of all odd-numbered frames are the same, or the dithering data patterns of all even-numbered frames are the same.