Patent ID: 6778159
Filing Date: 2004-08-17
Classification: G09G

Abstract:
A method of driving an active matrix display with a plurality of gradation levels, wherein the maximum number of gradation level is Nmax=(1+21+ - - - 2k) l, k, and l each being a natural number, said method comprising the steps of:providing said active matrix display wherein said display has a plurality of thin film transistors for switching a plurality of pixels of the display; inputting into a pixel of said display one or more pulses, each pulse having a pulse height and a pulse duration depending upon a desired gradation level of the display at said pixel, wherein each of said one or more pulses has a relative pulse duration selected from the group consisting of 1, 2, - - - 2k and has a relative pulse height selected from the group consisting of 0, 1, 2, - - - I so that the pulse duration and the pulse height of said pulses are both varied whereby the minimum width of said pulses can be increased.