A GOA circuit and scanning method thereof, display panel and display device are provided. The GOA circuit includes: a plurality of GOA units (1−n+2K) connected in cascades, signal output terminal of each GOA unit is connected to one row of gate lines, signal output terminal of n-th row of GOA unit is connected to signal input terminal of (n+k)-th row of GOA unit, and output terminal of the (n+k)-th row of the GOA unit is connected to signal reset terminal of the n-th row of the GOA unit and signal input terminal of of (n+2k)-th row GOA unit; the GOA circuit further comprises: gating unit (204) connected to first to k-th rows of GOA units, which controls the GOA circuit to output scanning signal from first group to k-th group of gate lines sequentially; in x-th group, the GOA circuit outputs scanning signal from x-th row to (m×k+x)-th row sequentially.

A common electrode driving module is provided to provide different common voltages according to different display modes of an LCD panel. The common electrode driving module includes a voltage-division resistor string configured to obtain an input voltage, a switch selecting unit electrically connected to the voltage-division resistor string configured to change an voltage level of the input voltage by controlling on/off states of the switches to change a number of resistors contained in the voltage voltage-division resistor string, a voltage amplifying unit configured to amplify the input voltage to generate the common voltage and provide the common voltage to the common electrode, and a mode switching unit, configured to provide a control signal to the switch selecting unit to control the on/off states of the at least one switch according to a current display mode such that the common voltage corresponding to the current display mode is obtained.

Provided is a display device, including: a driving circuit including a first output terminal group including at least one gate signal output terminal, and a second output terminal group including at least one source signal output terminal; and a plurality of gate lead-out lines configured to transmit a gate signal to a plurality of gate lines, in which each of the plurality of gate lines is electrically connected to at least one of the gate lead-out lines, and the first output terminal group is arranged between two adjacent second output terminal groups.

A display panel and a display device are provided. In the display panel, each composite pixel row includes a plurality of auxiliary sub-pixels disposed in a functional additional area and a plurality of main sub-pixels disposed in a main display area. Each of auxiliary pixel drive circuita is connected to a plurality of auxiliary sub-pixels. Each of main pixel drive circuits is connected to a corresponding main sub-pixel. A plurality of stages of gate drive circuits are correspondingly connected to the plurality of auxiliary pixel drive circuits and the plurality of main pixel drive circuits through a plurality of scanning signal lines to improve a display mismatch problem.

A display device includes a first substrate including a display area and a non-display area which is outside the display area; a first gate signal line and a second gate signal line each on the non-display area of the first substrate; a connection electrode which is on the non-display area of the first substrate and connects the first gate signal line and the second gate signal line to each other; and a static electricity prevention pattern which is on the non-display area of the first substrate and on the connection electrode.

A display apparatus includes a plurality of pixels, and a plurality of scan lines, a plurality of data lines, and a plurality of light emission lines connected to the pixels. Scan signals are applied to the pixels through the scan lines, each of the scan signals has a first level and a second level higher than the first level, an amplitude of each of the scan signals is a difference between the first level and the second level, and the amplitude of a scan signal applied to an (h+1)th scan line is larger than the amplitude of a scan signal applied to an hth scan line.

The display device includes: a scan line driving circuit selecting a potential supplied to a scan line; a driver chip; a plurality of source wires connected to a detection circuit; a terminal connected to an inspection wire controlling the scan line driving circuit; and a protection circuit arranged between the inspection wire and the terminal When it is assumed that an extending direction of a switch circuit connected with the plurality of source wires is an X axis direction, that one side of the X axis direction is an X1 side, and that the other side therein is an X2 side, the plurality of source wires are arranged closer to the X1 side than a center of the region in the X axis direction, and the terminal and the protection circuit are arranged closer to the X2 side than the center of the region in the X axis direction.

A display panel uses demultiplexers to reduce numbers of data lines, and divides the data lines into groups being coupled to the demultiplexers respectively. The demultiplexers are disposed along an edge of the display region and compliant to the outline of the display panel, so as to save the layout space. In addition, the layout of control lines of the demultiplexers can be configured to more effectively utilize the layout space in the layout region. Furthermore, the aforementioned layout helps reduce the length of the conductive lines, and improves the transmission of signals in the conductive lines.

A display includes a plurality of pixels in a non-quadrangular display area and a plurality of first driving circuits and a plurality of second driving circuits in a peripheral area of the display area. Each of the pixels is connected to a first signal line in a first direction and a second signal line in a second direction crossing the first direction. Each of the first driving circuits outputs a first signal to the first signal line of a corresponding one of the pixels. Each of the second driving circuits outputs a second signal to the second signal line of a corresponding one of the pixels. The number of second driving circuits between neighboring first driving circuits is different depending on a position in the peripheral area.

Provided is a display device, including: a plurality of gate lines extending in a first direction; a plurality of source lines extending in a second direction; a gate driver configured to output a gate signal; and a plurality of gate lead-out lines extending in the second direction and being configured to transmit the gate signal to the plurality of gate lines, in which each of the plurality of gate lines is electrically connected to at least one of the plurality of gate lead-out lines, and at least one of the plurality of gate lines is electrically connected to at least two of the plurality of gate lead-out lines.