CN109801565A - A kind of display panel, its driving method and display device - Google Patents

Abstract

The present invention discloses a display panel, a driving method thereof, and a display device. In the embodiment of the present invention, a compensation unit for performing load compensation on the first display area is arranged in the first display area, and each scanning line in the first display area is The lines are respectively connected to the same compensation unit through the control switch. In this way, when displaying, in the first display area, the control scan lines are controlled to input scan signals row by row, and the control switches connected to the scan lines of each row are turned on row by row and conducts with the compensation unit, so that the compensation unit can monitor the first display area by the compensation unit. Perform load compensation to compensate the load difference between the first display area and the second display area, so that when the pixel driving circuit drives the first display area and the second display area, the data of the first display area and the second display area The writing ability is the same, and there is no difference in brightness between the first display area and the second display area, which improves the uniformity of the display screen and avoids the phenomenon of poor display.

Description

A display panel, its driving method and display device

technical field

The present invention relates to the field of display technology, and in particular, to a display panel, a driving method thereof and a display device.

Background technique

The full screen has the characteristics of a large screen ratio and an ultra-narrow frame, which can greatly improve the user's visual effect, which has attracted widespread attention. At present, in a display device with a full screen, in order to realize the functions of Selfie, video call and fingerprint recognition. Usually, a special-shaped area is opened on the front of the display device, and the special-shaped area is used for placing a camera, an earpiece, a fingerprint identification or a physical button.

Setting irregular-shaped areas on the display panel will cause uneven display of pixels. The pixels on the display panel are driven and controlled by scanning lines. The number of pixels per row in the profiled area is different from the number of pixels per row in the non-profiled area. Therefore, if the loads connected to the row scan lines of the irregular area and the non-shaped area are different in size, the transmission of the drive control output signal will be different, which will affect the display image, such as uneven display of the display panel.

SUMMARY OF THE INVENTION

In view of this, embodiments of the present invention provide a display panel, a driving method thereof, and a display device, so as to improve the brightness uniformity of a full-screen display device.

Therefore, an embodiment of the present invention provides a display panel, including a display area, the display area is divided into a first display area and a second display area, and both the first display area and the second display area include an array of A plurality of distributed pixel units and a plurality of scan lines connecting the pixel units, the number of pixel units connected to each scan line in the first display area is less than that of each scan line in the second display area The number of pixel units connected by lines; the first display area further includes a compensation unit for performing load compensation on the first display area; wherein,

Each of the scan lines in the first display area is respectively connected to the same compensation unit through a control switch.

Optionally, during specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the compensation unit includes a plurality of first compensation circuits connected in series, wherein the load of each of the first compensation circuits is the same as that of each of the first compensation circuits. The loading of the pixel units is the same; the first display area has a groove area where the pixel unit is not provided, and along the extension direction of the scan line, the groove area is on the display panel substrate. The orthographic projection has a side with the smallest width, and the number of pixel units in the second display area corresponding to the side with the smallest width is the same as the number of the first compensation circuits.

Optionally, during specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the number of pixel units connected to each of the scan lines in the first display area is the same, and the number of the first compensation circuits is the same. is the first number, the number of pixel units connected to one of the scan lines in the first display area is the second number, and the number of pixel units connected to one of the scan lines in the second display area is a third quantity, and the sum of the first quantity and the second quantity is equal to the third quantity.

Optionally, during specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the number of pixel units connected to each of the scan lines in the first display area is different, and the first display area also It includes a second compensation circuit connected to each of the scan lines, and the load of each of the second compensation circuits is the same as the load of each of the pixel units; the number of the first compensation circuits is the first number, The number of pixel units connected to one of the scan lines in the first display area is a second number, and the number of pixel units connected to one of the scan lines in the second display area is a third number, The number of the second compensation circuits is a fourth number, and the sum of the first number, the second number and the fourth number is equal to the third number.

Optionally, during specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the control switch and the second compensation circuit are located at the side of the trench area close to the first display area, The compensation unit is located at a side of the trench area close to the second display area.

Optionally, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the first compensation circuit includes a resistor and a capacitor, each of the resistors is connected in series, and one end of each of the capacitors is connected to two adjacent ones. Between the resistors, the other end is grounded; one end of the resistor close to the control switch is connected to the first poles of all the control switches; the gate and the second pole of each control switch are connected to the corresponding row of the scan lines are connected.

Optionally, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the display panel is bilaterally driven, and each of the scan lines in the first display area is symmetrically broken through the groove area The first display area includes two groups of the control switches and the compensation units that are symmetrically arranged.

Optionally, during specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the display panel is driven by one side, and each of the scan lines in the first display area is performed around the groove area. Setting, the first display area includes only one group of the control switches and the compensation unit.

Correspondingly, an embodiment of the present invention further provides a display device, including the above-mentioned display panel provided by the embodiment of the present invention.

Correspondingly, the embodiments of the present invention also provide a driving method for any of the above-mentioned display panels provided by the embodiments of the present invention, including:

During display, in the first display area, the scan lines are controlled to input scan signals row by row, the control switches connected to the scan lines in each row are turned on row by row, and are conductive with the compensation unit, so as to perform load compensation on the first display area through the compensation unit.

The beneficial effects of the embodiments of the present invention include:

In the display panel, its driving method, and the display device provided by the embodiments of the present invention, since the number of pixel units connected to each scan line in the first display area is smaller than the number of pixel units connected to each scan line in the second display area, therefore The load capacity of the pixel units in the first display area is smaller than the load capacity of the pixel units in the second display area. In this embodiment of the present invention, a compensation unit for performing load compensation on the first display area is provided in the first display area. Each scan line is respectively connected with the same compensation unit through a control switch. In this way, when displaying, in the first display area, the control scan lines are controlled to input scan signals row by row, and the control switches connected to the scan lines of each row are turned on row by row and conducts with the compensation unit, so that the compensation unit can monitor the first display area by the compensation unit. Perform load compensation to compensate the load difference between the first display area and the second display area, so that when the pixel driving circuit drives the first display area and the second display area, the data of the first display area and the second display area The writing ability is the same, there is no difference in brightness between the first display area and the second display area, the uniformity of the display screen is improved, and the phenomenon of poor display is avoided; in addition, each scan line set in the present invention passes through the corresponding The control switch is connected to the same compensation unit, that is, when each row of scanning lines in the first display area is scanned line by line, by cooperating with the corresponding control switch, only one compensation unit can realize the load compensation for each line of pixel units, and the structure is simple. Save space for making compensation units, reduce process difficulty, and improve product yield.

Description of drawings

FIG. 1 is a schematic top-view structural diagram of a display panel according to an embodiment of the present invention;

2 is a schematic diagram of a circuit structure of the display panel shown in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a second schematic top-view structure diagram of a display panel according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a circuit structure of the display panel shown in FIG. 3 according to an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the specific implementations of the display panel, its driving method and the display device provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

A display panel provided by an embodiment of the present invention is shown in FIGS. 1 to 4 . FIGS. 1 and 3 are schematic top-view structural diagrams of the display panel provided by an embodiment of the present invention, and FIGS. 2 and 4 are respectively FIGS. 1 and 4 . The schematic diagram of the circuit structure corresponding to the display panel shown in 3 includes a display area. The display area is divided into a first display area A1 and a second display area A2. pixel units RC and a plurality of scan lines G connected to the pixel units RC (only some pixel units RC and some scan lines G are shown in FIG. 2 and FIG. 4 ), which are represented by a resistor R and a capacitor C in the embodiment of the present invention The load corresponding to one pixel unit, that is, one RC corresponds to one pixel unit, multiple scan lines G are connected to the GOA unit, and the GOA unit is used to input scan signals to the scan line G; each scan line G in the first display area A1 is connected to The number of pixel units RC is less than the number of pixel units RC connected to each scan line G in the second display area A2; the first display area A1 also includes a compensation unit 1 for performing load compensation on the first display area A1; in,

Each scan line G in the first display area A1 is connected to the same compensation unit 1 through the control switch T, respectively.

In the display panel provided by the embodiment of the present invention, since the number of pixel units connected to each scan line in the first display area is smaller than the number of pixel units connected to each scan line in the second display area, the number of pixel units of the first display area is The loading amount is less than the loading amount of the pixel unit in the second display area. In the embodiment of the present invention, a compensation unit for performing load compensation on the first display area is provided in the first display area, and each scan line in the first display area is controlled by The switch is connected to the same compensation unit. In this way, when displaying, in the first display area, the control scan lines are controlled to input scan signals row by row, and the control switches connected to the scan lines of each row are turned on row by row, and are connected to the compensation unit, so that the compensation unit can monitor the first display area by the compensation unit. Carry out load compensation to compensate the load difference between the first display area and the second display area, so that when the pixel driving circuit drives the first display area and the second display area, the data of the first display area and the second display area The writing ability is the same, and there is no difference in brightness between the first display area and the second display area, which improves the uniformity of the display screen and avoids the phenomenon of poor display; The control switch is connected to the same compensation unit, that is, when each row of scanning lines in the first display area is scanned line by line, by cooperating with the corresponding control switch, only one compensation unit can realize load compensation for each line of pixel units, and the structure is simple. Save space for making compensation units, reduce process difficulty, and improve product yield.

It should be noted that the scan line in the display panel has a certain resistance, and the coupling between the scan line and other film layers in the display panel will form a capacitance. The resistance and capacitance cause a delay in signal transmission, that is, the scan line has a certain load, and generally scan The intersection of the line and the data line defines a plurality of pixel units, and each pixel unit corresponds to a load formed by a resistor and a capacitor. Therefore, in the embodiment of the present invention, each pixel unit is represented by a resistor and a capacitor, that is, the pixel unit adopts RC said.

Further, during specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 2 and FIG. 4 , the compensation unit 1 includes a plurality of first compensation circuits 11 connected in series, wherein each first compensation circuit The load of 11 is the same as the load of each pixel unit RC; the first display area A1 has a groove area 2 where no pixel unit RC is provided, along the extension direction of the scan line G (in the embodiment of the present invention, the extension of the scan line G is used. direction is the horizontal direction), the orthographic projection of the groove area 2 on the display panel substrate (not shown in FIG. 2 and FIG. 4 ) has the side L with the smallest width, and the second display corresponding to the side L with the smallest width The number of pixel units RC in the area A2 is the same as the number of the first compensation circuits 11; specifically, as shown in FIG. The width is the same, that is, the side L with the smallest width, the number of the first compensation circuits 11 in the compensation unit 1 and the number of pixel units RC in the second display area A2 corresponding to the side L with the smallest width (the second display area). RC) in the ellipse dashed frame in A2 is the same; as shown in Figure 4, the groove area 2 is an inverted trapezoid, and along the extension direction of the scan line G, the side L with the smallest orthographic projection width is the bottom of the inverted trapezoid side, the number of the first compensation circuits 11 in the compensation unit 1 and the number of pixel units RC in the second display area A2 corresponding to the side L with the smallest width (the bottom side of the inverted trapezoid) (the number of pixels in the second display area A2) RC within the oval dashed box) are the same.

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 2 , the number of pixel units RC connected to each scan line G in the first display area A1 is the same, and the compensation unit 1 has the same number of pixel units RC. The number of the first compensation circuits 11 is the first number, the number of the pixel units RC connected to one of the scan lines G in the first display area A1 is the second number, and the number of the pixel units RC connected to one of the scan lines G in the second display area A2 The number of pixel units RC is a third number, and the sum of the first number and the second number is equal to the third number. Therefore, by adding a compensation unit 1 including a plurality of first compensation circuits 11, the load of the pixel unit RC in the first display area A1 can be basically the same as the load of the pixel unit RC in the second display area A2, so that the The load difference between the first display area A1 and the second display area A2 is compensated, so that when the pixel driving circuit drives the first display area A1 and the second display area A2, the The data writing capability is the same, and there is no difference in brightness between the first display area A1 and the second display area A2, which improves the uniformity of the display screen and avoids the occurrence of poor display.

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 4 , the groove area 2 is an inverted trapezoid structure, which leads to the connection of each scan line G in the first display area A1. The number of pixel units RC is different, and the first display area A1 also includes a second compensation circuit 21 connected to each scan line G (shown in the right-angled inverted trapezoid in FIG. 4 ), wherein the load of each second compensation circuit 21 is The load is the same as that of each pixel unit RC; the number of the first compensation circuits 11 in the compensation unit 1 is the first number, and the number of the pixel units RC connected to one of the scan lines G in the first display area A1 is the second number , the number of pixel units RC connected to one of the scan lines G in the second display area A2 is the third number, the number of the second compensation circuits 21 is the fourth number, the sum of the first number, the second number and the fourth number equal to the third quantity. Therefore, by adding a compensation unit 1 including a plurality of first compensation circuits 11, and adding a second compensation circuit 21 connected to each scan line G in the first display area A1, the pixel unit RC in the first display area A1 can be adjusted. The load amount is basically the same as the load amount of the pixel unit RC in the second display area A2, so that the load difference between the first display area A1 and the second display area A2 can be compensated, so that the pixel driving circuit can drive the first display area. When A1 and the second display area A2 are used, the data writing capabilities of the first display area A1 and the second display area A2 are the same, and there will be no difference in brightness between the first display area A1 and the second display area A2, which improves the display quality. Uniformity, to avoid the phenomenon of poor display.

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 2 and FIG. 4 , the control switch T and the second compensation circuit 21 are located in the trench area 2 close to the first display area A1 At the side a, the compensation unit 1 is located at the side L of the trench area 2 close to the second display area A2. In this way, the frame space of the trench area 2 can be fully utilized, and it is easier to design the signal wiring, so that the frame of the trench area 2 can be made narrower.

Further, compared with the traditional first display area, each row of grid lines is correspondingly set with a compensation unit to perform load compensation on each row of pixels, and the load compensation needs to use software to perform simulation calculation, and the more complex the structure of the compensation unit, the greater the calculation amount. Compared with the current mainstream load compensation method, the embodiment of the present invention adopts a more compact compensation unit structure to achieve the same function, which is simpler and faster in the design and calculation stage.

Further, since the shape of the groove area is usually irregular, when drawing the compensation unit of the groove area, the MASK designer cannot make a simple array like drawing the second display area, but according to the shape of the groove area. To adjust the structure and position of the compensation unit, this part of the work is not only tedious and error-prone; and the display panel provided by the embodiment of the present invention only needs one compensation unit to realize the load compensation of each row of pixels, which greatly reduces the drawing work of the designer. quantity, and it is not easy to make mistakes.

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, if the groove area is neither a rectangle nor a trapezoid, but other special shapes (such as rounded corners, water droplets, etc.). The design of the above compensation unit can be extended on the basis of the embodiment shown in FIG. 4 . First, find the minimum width of the trench area 2 along the extending direction of the scan line G, then design the number of the first compensation circuits 11 in the compensation unit according to the minimum width, and then set the other rows of the scan line G in the first display area A1. The number of connected second compensation circuits 21 ensures that the sum of the number of second compensation circuits 21 in each row, the number of pixel units RC and the number of first compensation circuits 11 is equal to a row of scan lines in the second display area A2 G is the number of pixel units RC connected, and a control switch T is connected between the second compensation circuit 21 and the first compensation circuit 11 .

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 2 and FIG. 4 , the first compensation circuit 11 includes a resistor R and a capacitor C, each resistor R is connected in series, and each capacitor C is connected in series. One end is connected between two adjacent resistors R, and the other end is grounded; one end of the resistor R close to the control switch T is connected to the first poles of all the control switches T; the gate and the second pole of each control switch T are connected to The scan lines G of the corresponding row are connected. Specifically, during display, the pixel unit RC of each row is electrically connected to the compensation unit through the corresponding control switch T, the gate of the control switch T is connected to the first electrode, and when the scan drive signal of one row of scan lines is valid, the corresponding The control switch T of the row is turned on, and the electrically connected compensation unit 1 is gated, while the control switches T of other rows are turned off at this time, so this row does not affect other rows, thereby realizing load compensation for the first display area A1.

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 4 , the second compensation circuit 21 also includes a resistor R and a capacitor C, each resistor R is connected in series, and one end of each capacitor C is connected to Between two adjacent resistors R, the other end is grounded; one end of the resistor R close to the control switch T in each row is connected to the second pole of the control switch T in the corresponding row.

It should be noted that the load amount formed by the resistors and capacitors in the first compensation circuit and the second compensation circuit provided in the embodiment of the present invention is calculated by simulation according to the load amount corresponding to each pixel unit. The load formed by the resistors and capacitors in the compensation circuit and the second compensation circuit is the same as the load corresponding to each pixel unit. Therefore, in the first compensation circuit and the second compensation circuit, the resistance R and the capacitor C are used to represent a load. .

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 2 and FIG. 4 , the display panel is unilaterally driven, and each scan line G in the first display area A1 surrounds the groove Area 2 is set, and the first display area A1 only includes a group of control switches T and compensation unit 1 .

Taking unilateral driving as an example, the driving principle of the display panel shown in FIG. 1 and FIG. 2 provided by the embodiment of the present invention will be described. If the groove area is rectangular, as shown in FIG. 1 , the circuit shown in FIG. 2 can be used. The structure is compensated. In Figure 2, only the circuit structure of the first display area A1 of the display panel is drawn, and the second display area A2 is a normal display area without load compensation; the display panel is generally symmetrical in design, so the right side is not drawn. . In FIG. 2, since the trench area 2 is a rectangle, the missing load of each row of pixel units RC in the first display area A1 is the same, so it is only necessary to design the load compensation unit 1 of one row of pixels, so that other rows of scan lines G share the same load. The compensation unit 1. There is a control switch T between each row of scan lines G and the compensation unit 1 as a compensation switch. Specifically, as shown in FIG. 2 , during display, the pixel unit RC of each row is electrically connected to the compensation unit through the corresponding control switch T, the gate of the control switch T is conductive with the first electrode, and the scanning line of one row is electrically connected to the compensation unit. When the scan drive signal is valid, the control switch T of the corresponding row is turned on, and the compensation unit 1 electrically connected is gated, while the control switches T of other rows are closed at this time, so this row and other rows do not affect each other, so as to realize the first Displays the load compensation for area A1.

Specifically, the unilateral driving principle of the display panel shown in FIGS. 3 and 4 is the same as the unilateral driving principle of the display panel shown in FIGS. 1 and 2 .

Further, in the specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, the display panel may be bilaterally driven, and each scan line in the first display area is symmetrically disconnected through the groove area, and in the first display area Including two sets of symmetrically arranged control switches and compensation units. The principle of each side driving is the same as that of the single side driving described above.

It should be noted that the display panels shown in FIG. 2 and FIG. 4 in the embodiment of the present invention only show a schematic diagram of the left side structure. When the display panel is driven by one side, the structure on the right side includes a structure located on the right side of the groove area 2. For the pixel unit RC, the structure on the right side is the same as the structure in the left side A1, and the pixel unit RC on the right side is connected around the trench area 2 through the scan line G of the corresponding row; when the display panel is bilaterally driven, the structure on the right side includes: The pixel unit RC located on the right side of the trench area 2, and a group of control switches T and the compensation unit 1 located at the right side of the trench area 2, the control switch T and the compensation unit 1 on the left and right sides of the trench area 2 are symmetrical and each scan line G in the first display area A1 is symmetrically disconnected through the trench area 2 .

It should be noted that, in the above-mentioned display panel provided by the embodiment of the present invention, the control switch may be a thin film transistor (TFT, Thin Film Transistor) or a metal oxide semiconductor field effect transistor (MOS, MetalOxide Semiconductor). Not limited.

During specific implementation, in the above-mentioned display panel provided by the embodiment of the present invention, as shown in FIG. 2 and FIG. 4 , all control switches T are P-type transistors.

Of course, during specific implementation, in the above-mentioned shift register provided by the embodiment of the present invention, all control switches may also be N-type transistors.

Further, in specific implementation, the N-type transistor is turned on under the action of a high potential and turned off under the action of a low potential; the P-type transistor is turned off under the action of a high potential and turned on under the action of a low potential.

It should be noted that the first electrode of the control switch T mentioned in the above embodiments of the present invention may be the source electrode and the second electrode may be the drain electrode, or the first electrode may be the drain electrode and the second electrode may be the source electrode. specific distinction.

Based on the same inventive concept, an embodiment of the present invention further provides a driving method for any of the above-mentioned display panels provided by the embodiment of the present invention, including:

During display, in the first display area, the control scan lines are controlled to input scan signals row by row, and the control switches connected to the scan lines of each row are turned on row by row and conducts with the compensation unit, so that the compensation unit can monitor the first display area by the compensation unit. Perform load compensation.

In the driving method of the display panel provided by the embodiment of the present invention, during display, in the first display area, the scan lines are controlled to input scan signals row by row, the control switches connected to the scan lines of each row are turned on row by row, and are connected to the compensation unit. The first display area can be compensated by the compensation unit to compensate the load difference between the first display area and the second display area, so that when the pixel driving circuit drives the first display area and the second display area, The data writing capabilities of the first display area and the second display area are the same, and there is no difference in brightness between the first display area and the second display area, which improves the uniformity of the display screen and avoids poor display.

In the specific implementation, the load compensation principle of the above-mentioned driving method of the display panel may refer to the load compensation principle described in the above-mentioned display panel, and will not be repeated here.

Based on the same inventive concept, an embodiment of the present invention further provides a display device, including the above-mentioned display panel provided by an embodiment of the present invention. The display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a TV, a monitor, a notebook computer, a digital photo frame, a navigator, and the like. Other essential components of the display device should be understood by those of ordinary skill in the art, and will not be repeated here, nor should it be regarded as a limitation of the present invention. For the implementation of the display device, reference may be made to the above-mentioned embodiments of the display panel, and repeated descriptions will not be repeated.

In the display panel, its driving method, and the display device provided by the embodiments of the present invention, since the number of pixel units connected to each scan line in the first display area is smaller than the number of pixel units connected to each scan line in the second display area, therefore The load capacity of the pixel units in the first display area is smaller than the load capacity of the pixel units in the second display area. In this embodiment of the present invention, a compensation unit for performing load compensation on the first display area is provided in the first display area. Each scan line is respectively connected with the same compensation unit through a control switch. In this way, when displaying, in the first display area, the control scan lines are controlled to input scan signals row by row, and the control switches connected to the scan lines of each row are turned on row by row and conducts with the compensation unit, so that the compensation unit can monitor the first display area by the compensation unit. Perform load compensation to compensate the load difference between the first display area and the second display area, so that when the pixel driving circuit drives the first display area and the second display area, the data of the first display area and the second display area The writing ability is the same, there is no difference in brightness between the first display area and the second display area, the uniformity of the display screen is improved, and the phenomenon of poor display is avoided; in addition, each scan line set in the present invention passes through the corresponding The control switch is connected to the same compensation unit, that is, when each row of scanning lines in the first display area is scanned line by line, by cooperating with the corresponding control switch, only one compensation unit can realize the load compensation for each line of pixel units, and the structure is simple. Save space for making compensation units, reduce process difficulty, and improve product yield.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. A display panel, characterized in that it comprises a display area, the display area is divided into a first display area and a second display area, and the first display area and the second display area both include arrays of A plurality of pixel units and a plurality of scan lines connecting the pixel units, the number of pixel units connected to each of the scan lines in the first display area is smaller than that of each of the scan lines in the second display area the number of pixel units; the first display area further includes a compensation unit for performing load compensation on the first display area; wherein, Each of the scan lines in the first display area is respectively connected to the same compensation unit through a control switch. 2 . The display panel of claim 1 , wherein the compensation unit comprises a plurality of first compensation circuits connected in series, wherein the load of each of the first compensation circuits is the same as that of each of the pixel units. 3 . The loading amount is the same; the first display area has a groove area without the pixel unit, and along the extension direction of the scan line, the orthographic projection of the groove area on the display panel substrate has the smallest width The number of pixel units in the second display area corresponding to the side with the smallest width is the same as the number of the first compensation circuits. 3 . The display panel of claim 2 , wherein the number of pixel units connected to each of the scan lines in the first display area is the same, and the number of the first compensation circuits is a first number, 4 . The number of pixel units connected to one of the scan lines in the first display area is a second number, and the number of pixel units connected to one of the scan lines in the second display area is a third number, The sum of the first number and the second number is equal to the third number. 4 . The display panel according to claim 2 , wherein the number of pixel units connected to each of the scan lines in the first display area is different, and the first display area further comprises: a second compensation circuit connected to a scan line, the load of each of the second compensation circuits is the same as that of each of the pixel units; the number of the first compensation circuits is the first number, and the first display The number of pixel units connected to one of the scan lines in the area is a second number, the number of pixel units connected to one of the scan lines in the second display area is a third number, and the second compensation The number of circuits is a fourth number, and the sum of the first number, the second number and the fourth number is equal to the third number. 5 . The display panel of claim 4 , wherein the control switch and the second compensation circuit are located at a side of the groove area close to the first display area, and the compensation unit is located at the side of the first display area. 6 . The groove area is close to the side of the second display area. 6. The display panel of claim 2, wherein the first compensation circuit comprises a resistor and a capacitor, each of the resistors is connected in series, and one end of each of the capacitors is connected between two adjacent resistors , the other end is grounded; one end of the resistor close to the control switch is connected to the first poles of all the control switches; the gate and the second pole of each control switch are connected to the scan lines of the corresponding row connected. 7 . The display panel of claim 2 , wherein the display panel is bilaterally driven, each of the scan lines in the first display area is symmetrically disconnected through the groove area, and the The first display area includes two sets of the control switches and the compensation units arranged symmetrically. 8 . The display panel of claim 2 , wherein the display panel is unilaterally driven, each of the scan lines in the first display area is arranged around the groove area, and the first display area is A display area includes only one group of the control switches and the compensation unit. 9. A display device, comprising the display panel according to any one of claims 1-8. 10. A method for driving a display panel according to any one of claims 1-8, characterized in that, comprising: During display, in the first display area, the scan lines are controlled to input scan signals row by row, and the control switches connected to the scan lines in each row are turned on row by row and are connected to the compensation unit, so as to Load compensation is performed on the first display area by the compensation unit.