Low-power-consumption phase inverter, low-powder-consumption GOA circuit and liquid crystal display panel

Abstract

The invention discloses a low-power-consumption phase inverter, a low-powder-consumption GOA circuit and a liquid crystal display panel, wherein the low-power-consumption phase inverter comprises a phase inverter body which is formed by connecting a P-type transistor and an N-type transistor in series; a voltage coupling element is arranged between the input end and the output end of the phase inverter body, so as to enable the amplitude of voltage jump occurring at the output end to be greater than that occurring at the input end when voltage jump occurs at the input end. According to the low-power-consumption phase inverter, the low-powder-consumption GOA circuit and the liquid crystal display panel, provided by the invention, the short circuit power consumption of the phase inverter is avoided, the switching recovery time of the phase inverter is shortened, the response speed of the circuit is increased, and the ESD protection capability of the entire circuit is improved.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a low-power inverter, a low-power GOA circuit and a liquid crystal display panel. Background technique [0002] GOA (Gate Driver On Array, Gate Driver On Array) is a technology that utilizes the existing thin film transistor liquid crystal display array process to fabricate the gate line row scanning drive signal circuit on the array substrate to realize the gate line progressive scan drive method. [0003] In general low-temperature polysilicon technology LTPS process, a CMOS GOA circuit structure is commonly used, and the inverter at the end outputs a gate drive signal. During the switching process of the inverter in the general CMOS circuit, the N-type transistor and the P-type transistor in the inverter will be turned on, resulting in a gap between the reference voltage input terminal of the P-type transistor and the reference input terminal of the N-type trans...

AI Technical Summary

Problems solved by technology

During the switching process of the inverter in the general CMOS circuit, the N-type transistor and the P-type transistor in the inverter will be turned on, resulting in a gap between the reference voltage input terminal of the P-type transistor and the reference input terminal of the N-type transistor. There is a short-circuit current in the short term, resulting in short-circuit power dissipation

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