Phase inverter, drive circuit and display panel

Abstract

The invention discloses a phase inverter, a drive circuit and a display panel. The phase inverter comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first capacitor and a second capacitor. According to the technical scheme, the second transistor is controlled through the grid electrode of the second transistor to be prevented from being switched on reversely, and the electric potential of the grid electrode of the fifth transistor is maintained through the second capacitor. When a first clock signal is changed into a low level from a high level (correspondingly, the first transistor, the second transistor, the third transistor, the fourth transistor and the fifth transistor are all NMOS transistors) or changed into a high level from a low level (correspondingly, the first transistor, the second transistor, the third transistor, the fourth transistor and the fifth transistor are all PMOS transistors), the electric potential of the grid electrode of the fifth transistor can be kept stable. In this way, the output signals of the phase inverter can be free of influences of changes of the first clock signal, the phase inverter can generate stable output signals, and then the display panel with the phase inverter can achieve a better display effect.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an inverter, a driving circuit and a display panel. Background technique [0002] The inverter has a reverse effect on the start signal input to it. It can also be said that the output signal of the inverter and the start signal are mutually inverse signals. With the development of electronic technology, the application of the inverter is becoming more and more extensive. For example, the inverter can be applied to the emission drive circuit of the organic light-emitting display device, and provides a corresponding potential for the pixel compensation circuit electrically connected to the emission drive circuit. Make the pixel compensation circuit complete node initialization, threshold compensation and data writing, etc. [0003] Figure 1a is a circuit diagram of a prior art inverter. Such as Figure 1a As shown, the inverter includes a first transistor P1, a second transist...

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Problems solved by technology

[0005] In view of this, an embodiment of the present invention provides an inverter, a driving circuit, and a display panel to solve the problem in the prior art that the output signal of the inverter is unstable when the first clock signal changes from a low level to a high level. technical problem

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