Patent ID: 8957887
Filing Date: 2015-02-17
Classification: G09G

Abstract:
1. A method of driving an electrophoretic display apparatus, the method comprising: applying at least one gate pulse of a second pulse width to each of a plurality of pixels during a reset period, the at least one gate pulse to reset a state of an electrophoretic cell of each of the pixels; applying gate pulses to the plurality of pixels in a gradation period after the reset period, each of the gate pulses in the gradation period having a first pulse width and a first voltage level, being a gate ON voltage level, that are set not to fully charge a parasitic capacitance component of a switching transistor of a corresponding pixel of the plurality of pixels, the second pulse width greater than the first pulse width; and during the gradation period, applying source signals to the plurality of pixels, respectively, when the gate pulses are applied, each of the source signals having a gradation level or an intermediate level in the gradation period, the gradation level being different from the intermediate level, wherein: the gradation period has a varying number of sub-gradation periods, and a gradation level of each pixel is controlled according to the number of sub-gradation periods for a pixel and a pixel voltage of the pixel.