US 2011/0084894 A1 · GATE OUTPUT CONTROL METHOD AND CORRESPONDING GATE PULSE MODULATOR

Abstract

A gate output control method is adapted into a flat display having a plurality of gate drive integrated circuits. The method comprises: providing a gate control signal; providing a oblique control signal to oblique modulate the gate control signal for generating a gate control signal with oblique; modulating the gate control signal with oblique to obtain a modulated gate control signal; and outputting the modulated gate control signal to the gate drive integrated circuits. A falling edge of the modulated gate control signal comprises a oblique-varying period and a vertical-varying period. In the oblique-varying period, the modulated gate control signal firstly changes to a predetermined voltage in a first slope, and then changes in a second slope until the vertical-varying period. In the vertical-varying period, the modulated gate control signal changes vertically or nearly vertically.

Claims15

Dependent claims

A gate output control method adapted into a flat display, the flat display comprising a first gate drive integrated circuit and a second gate drive integrated circuit, the gate output control method comprising:

providing a gate control signal;
providing an oblique control signal to oblique modulate the gate control signal for generating a gate control signal with oblique;
modulating the gate control signal with oblique to obtain a modulated gate control signal, wherein a falling edge of the modulated gate control signal comprises an oblique-varying period and a vertical-varying period, in the oblique-varying period, the modulated gate control signal firstly changes to a predetermined voltage in a first slope, and then changes in a second slope until the vertical-varying period;
in the vertical-varying period, the modulated gate control signal changes vertically or nearly vertically;
and
outputting the modulated gate control signal to the first gate drive integrated circuit and the second gate drive integrated circuit to control outputs of the first gate drive integrated circuit and the second gate drive integrated circuit.

3 more elements

A gate pulse modulator adapted into a flat display, the flat display comprising a first gate drive integrated circuit and a second gate drive integrated circuit, the gate pulse modulator comprising:

a gate control signal terminal configured for receiving a gate control signal;
an oblique control signal terminal configured for receiving an oblique control signal;
a first discharge circuit;
an oblique output terminal configured for outputting a gate control signal with oblique;
an oblique constant-voltage circuit;
and
an output terminal configured for outputting a modulated gate control signal to the first gate drive integrated circuit and the second gate drive integrated circuit;
wherein the gate pulse modulator determines whether employing the first discharge circuit to discharge the gate control signal according to the oblique control signal for generating the gate control signal with oblique, and the gate pulse modulator employs the oblique constant-voltage circuit to modulate the gate control signal with oblique to obtain the modulated gate control signal, a falling edge of the modulated gate control signal comprises an oblique-varying period and a vertical-varying period, in the oblique-varying period, the modulated gate control signal firstly changes to a predetermined voltage in a first slope, and then changes in a second slope until the vertical-varying period;
and in the vertical-varying period, the modulated gate control signal changes vertically or nearly vertically.

6 more elements

Dependencies are inferred from the claim text.

Gate output control method and corresponding gate pulse modulator

Life of this patent

Gate output control method and corresponding gate pulse modulator

Life of this patent

Abstract

Claims15