Shifting register, grid electrode driving circuit and related devices

Abstract

The invention discloses a shifting register, a grid electrode driving circuit and related devices. An MLG function is integrated on the shifting register so that the complexity of the driving circuit is lowered, the overall arrangement of a circuit board is narrowed, and the manufacturing cost of the driving circuit is reduced. The shifting register unit comprises an input module, an upward pulling module, a downward pulling module, a voltage regulating module and an output module; at a scanning signal output phase, a grid electrode signal output end outputs a grid electrode signal under the control of a first clock signal end, so that the grid electrode signal output function is realized; and under the control of a third clock signal, the voltage regulating module is used for conducting the first clock signal end and a second clock signal end, so that the function of increasing middle voltage of starting voltage VGH and closing voltage VGL at an ascending edge and a descending edge of the output of the grid electrode signal is realized.

Description

technical field [0001] The invention belongs to the field of display technology, and in particular relates to a shift register, a gate drive circuit and related devices. Background technique [0002] TFT LCD (Thin Film Transistor-Liquid Crystal Display, Thin Film Transistor-Liquid Crystal Display) is developing rapidly because of its ultra-thin and energy-saving. Shift registers are used in TFT LCDs. At present, the shift registers implemented by the GOA (Gate on Array) method can not only be integrated on the gate drive integrated circuit (IC), but also reduce the production process of a display panel. Therefore, , cost saving, so in recent years, GOA technology has been widely used in the liquid crystal display manufacturing process. [0003] Traditional GOA structure such as figure 1 As shown, it includes a plurality of hierarchical and cascaded shift registers S / R(1), S / R(2), S / R(3)...S / R(N). Each shift register S / R(n) (1≤n≤N) outputs the scanning signal to the corres...

AI Technical Summary

Problems solved by technology

[0006] Because the existing technology implements the MLG function in Tcon, on the one hand, it increases the complexity of the driver IC (Driver IC) and the layout space of the circuit board, and on the other hand, it also increases the manufacturing cost of the driver IC.

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