US 2010/0245301 A1 · GATE DRIVE DEVICE FOR A LIQUID CRYSTAL DISPLAY

Abstract

A gate drive device for liquid crystal display including multiple stages of shift register units and plurality of clock signal lines, said plurality of clock signal lines all being connected to the multiple stages of shift register units, to enable the multiple stages of shift register units to generate a gate drive signal, each stage of shift register unit all includes a signal output terminal, a first discharge circuit modular is connected between the signal output terminal for the i-th stage of shift register unit and the signal output terminal for the (i+1)-th stage of shift register unit, said first discharge circuit modular is used to cause the charges of a high level signal outputted from the signal output terminal for the i-th stage of shift register unit to be discharged to the signal output terminal for the (i+1)-th stage of shift register unit.

Claims8

Dependent claims

A gate drive device for a liquid crystal display, including multiple stages of shift register units and a plurality of clock signal lines, each of said plurality of clock signal lines being connected to the multiple stages of shift register units, to enable the multiple stages of shift register units to generate a gate drive signal, each stage of shift register unit including a signal output terminal,

wherein a first discharge circuit modular is connected between the signal output terminal for the i-th stage of shift register unit and the signal output terminal for the (i+1)-th stage of shift register unit, said first discharge circuit modular is used for causing the charges of a high level signal outputted from the signal output terminal for the i-th stage of shift register unit to be discharged to the signal output terminal for the (i+1)-th stage of shift register unit, and
wherein 1≦i≦the number of the stages of shift register units−1.

A gate drive device for a liquid crystal display, comprising multiple stages of shift register units and a plurality of clock signal lines, each of said plurality of clock signal lines being connected to the multiple stages of shift register units to enable the multiple stages of shift register units to generate a gate drive signal,

wherein each of said plurality of clock signal lines comprises a clock signal primary line and a clock signal secondary line which are connected in parallel;
and
wherein a discharge circuit modular is connected between two clock signal lines among said plurality of clock signal lines, and the discharge circuit modular is used for causing the charges of a high level signal on the clock signal primary line of one of the two clock signal lines to be discharged to the clock signal primary line of the other of the two clock signal lines.

Dependencies are inferred from the claim text.

Gate drive device for a liquid crystal display

Life of this patent

Gate drive device for a liquid crystal display

Life of this patent

Abstract

Claims8