Patent ID: 6710757
Filing Date: 2004-03-23
Classification: G09G

Abstract:
A method of driving an active matrix electro-luminescent (AMEL) display, wherein the AMEL display comprises M scan lines, N data lines, and MÃ—N pixels, the MÃ—N pixels are capable of displaying a video signal comprising a plurality of consecutive frames, a frame time interval is required for displaying one frame, the frame time interval comprises at least a first sub-interval and a second sub-interval, and the MÃ—N pixels comprise a pixel (p, q), wherein p is a positive integer not greater than M and q is a positive integer not greater than N, and the pixel (p, q) comprises:a first transistor, having a source/drain terminal coupled to the q-th data line and a gate terminal coupled to the p-th scan line; a second transistor, coupled to the first transistor, wherein when a first pulse is applied to the p-th scan line, the first transistor turns on and transmits a data signal on the q-th data line to the gate of the second transistor, wherein the data signal determines the operating of the second transistor; a capacitor coupled to the gate terminal of the second transistor; an organic light emitting diode (O-LED), coupled to the source/drain terminal of the second transistor, wherein the O-LED emits light when the second transistor operates, and the brightness of the O-LED corresponds to a signal level of the data signal; the method comprising: during the first sub-interval, applying a first pulse to the scan lines sequentially and applying corresponding data signals to the data lines; and during the second sub-interval, applying a second pulse to the scan lines sequentially so as to turn on the first transistors and applying a prevention signal to the data lines so as to turn off the corresponding second transistors.