Display device and display driving method

Abstract

The application relates to a display device and a display driving method. The display device comprises a source driver and a display panel. The display panel comprises: a plurality of first scanning lines arranged in a first display area and spaced apart along a first direction; a plurality of second scanning lines arranged in a second display area and spaced apart along the first direction; and a plurality of data lines arranged in the first display area and the second display area and connected with the source driver, the plurality of data lines being spaced apart along a second direction, the first direction and the second direction intersecting. The source driver starts to transmit a first data signal to the data lines in the first display area at a first time, starts to transmit a second data signal to the data lines in the second display area at a second time, and the first time and the second time are different. The application can reduce the current change caused by the gray scale switching of the source driver, and at the same time, the in-plane transmittance is not reduced, so that the pixel mischarging taste problem is optimized.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a display device and a display driving method. Background Technology

[0002] The panel industry is becoming increasingly competitive, and maintaining display quality while reducing the cost per panel has become a key factor in enhancing competitiveness. Hybrid integrated circuits (Tcon embedded in source IC, TED IC) integrate the timing controller (Tcon) within the source IC, allowing a single chip to replace both the Tcon and multiple source driver chips, thus reducing costs. However, integrating multiple functions onto a single chip inevitably leads to a decrease in thrust, output voltage range, and heat dissipation. Furthermore, the in-plane structure of the TED architecture, which maintains signal input, processing, and output across the entire plane with a single chip, results in a larger number of traces from the printed circuit board assembly (PCBA) to the TED IC.

[0003] To achieve the narrow bezel requirement, the width of each trace needs to be reduced, but this will correspondingly increase the impedance of the Wire On Array (WOA) area. Compared to conventional LCD panels with separate Tcon and source IC drivers, the WOA area of ​​the TED IC has a larger impedance and weaker driving force. When the output of the source IC switches from L0 in the previous row to L255 in the next row, the data voltage change is the largest, requiring the Tcon IC to provide a larger driving force to complete the switch from L0 voltage to L255 voltage, meaning the Tcon IC output current I needs to increase.

[0004] However, the impedance of the WOA area in a TED architecture panel is higher than that of a conventional panel with separate Tcon and source IC. If the impedance R of the WOA area cannot be reduced and remains at a large value, the front end of the source IC cannot provide enough energy to the source IC in time. This results in a voltage difference ΔI*R between the far and near ends of the source IC, causing abnormal potential output by the source IC under the same row of pixels. Some pixels are charged with incorrect potentials, resulting in crosstalk on the display screen with the source IC as the boundary, affecting the quality of the display panel. Summary of the Invention

[0005] In view of this, this application proposes a display device and a display driving method that can reduce the current change caused by grayscale switching of the source driver without reducing the in-plane transmittance, thereby optimizing the pixel misfilling quality problem caused by the weak driving force and large impedance of the driving chip itself, with the driving chip as the boundary.

[0006] According to one aspect of this application, a display device is provided, including a source driver and a display panel. The source driver is used to drive the display panel to emit light. The display panel has a first display area and a second display area. The display panel includes: a plurality of first scan lines disposed in the first display area and spaced apart along a first direction; a plurality of second scan lines disposed in the second display area and spaced apart along the first direction; and a plurality of data lines disposed in the first display area and the second display area and connected to the source driver, the plurality of data lines spaced apart along a second direction, the first direction and the second direction intersecting; wherein the source driver starts transmitting a first data signal to the data line located in the first display area at a first moment, and starts transmitting a second data signal to the data line located in the second display area at a second moment, the first moment and the second moment being different.

[0007] According to another aspect of this application, a display driving method is provided, the display driving method being applied to the display device, the display driving method comprising: starting at a first moment to transmit a first data signal to the data line located in the first display area; and starting at a second moment to transmit a second data signal to the data line located in the second display area, the first moment and the second moment being different.

[0008] By dividing the display area of ​​the display panel into a first display area and a second display area, and transmitting a first data signal to the data line located in the first display area at a first moment, and transmitting a second data signal to the data line located in the second display area at a second moment different from the first moment, according to various aspects of this application, the current change caused by grayscale switching of the source driver can be reduced without reducing the in-plane transmittance, thereby optimizing the pixel misfilling quality problem caused by the weak thrust and high impedance of the driver chip itself, with the driver chip as the boundary. Attached Figure Description

[0009] The technical solution and other beneficial effects of this application will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0010] Figure 1 A schematic diagram of the pixel architecture of the related technology is shown.

[0011] Figure 2A schematic diagram illustrating the display crosstalk phenomenon in related technologies is shown.

[0012] Figure 3 A schematic diagram illustrating the pixel architecture of an embodiment of this application is shown.

[0013] Figure 4 A schematic diagram illustrating the driver architecture of an embodiment of this application is shown.

[0014] Figure 5 A schematic diagram illustrating the driving timing of an embodiment of this application is shown.

[0015] Figure 6 A flowchart illustrating a display driving method according to an embodiment of this application is shown. Detailed Implementation

[0016] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0017] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0018] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0019] The following disclosure provides many different implementations or examples for carrying out different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials. In some instances, methods, means, elements, and circuits well known to those skilled in the art are not described in detail in order to highlight the main points of this application.

[0020] Figure 1 A schematic diagram illustrating the pixel architecture of the related technology is shown. For example... Figure 1 As shown, the display panel of the related technology includes a display area and a non-display area. The display area includes multiple rows and columns of pixels, and each pixel includes sub-pixels of different color types, such as red sub-pixel 11, green sub-pixel 12, and blue sub-pixel 13. Each sub-pixel may be provided with a corresponding thin-film transistor T1. The gate of the thin-film transistor is electrically connected to the scan line, the source of the thin-film transistor is electrically connected to the pixel electrode, and the drain of the thin-film transistor is electrically connected to the data line.

[0021] exist Figure 1 In the display, six scan lines G1-G6 are arranged from top to bottom, each scan line scanning one row of sub-pixels. Six data lines S1-S6 are arranged from left to right, with each column of sub-pixels electrically connected to the same data line. When driving the display area, a column flipping method is used; that is, if data line S1 transmits a negative voltage, the adjacent data line S2 transmits a positive voltage, and the data line S3 adjacent to data line S2 transmits a negative voltage, and so on.

[0022] for Figure 1In this pixel architecture, multiple output channels of the source IC simultaneously output positive or negative voltages to charge pixels in the same row. However, when most output channels within a single source IC are under heavy load and require a large drive current, insufficient energy supplied by the front end leads to unstable voltage output by the source IC. This affects the voltage that the source IC's output channels ultimately charge the pixels, resulting in phenomena such as... Figure 2 Display issues.

[0023] Figure 2 A schematic diagram illustrating the display crosstalk phenomenon in related technologies is shown. For example... Figure 2 As shown, the display panel of the related technology can display a pure color image 101, such as 127 gray levels, during the test. However, due to... Figure 1 Due to the pixel architecture, when most output channels within a single source IC are under heavy load and require a large drive current, the energy provided by the front end is insufficient, leading to unstable voltage output by the source IC and crosstalk between channels. Therefore, the actual displayed image may contain both a lighter image 102 and a darker image 103 compared to 127 grayscale, with the display image divided into left and right parts by the source IC. These images are inconsistent with the desired grayscale level, resulting in an uneven display on the panel and affecting its overall appearance.

[0024] This application provides a display device, including a source driver and a display panel. The source driver is used to drive the display panel to emit light. The display panel has a first display area and a second display area. The display panel includes: a plurality of first scan lines disposed in the first display area, the plurality of first scan lines being spaced apart along a first direction; a plurality of second scan lines disposed in the second display area, the plurality of second scan lines being spaced apart along the first direction; and a plurality of data lines disposed in the first display area and the second display area and connected to the source driver, the plurality of data lines being spaced apart along a second direction, the first direction and the second direction intersecting; wherein, the source driver starts transmitting a first data signal to the data line located in the first display area at a first moment, and starts transmitting a second data signal to the data line located in the second display area at a second moment, the first moment and the second moment being different.

[0025] By dividing the display area of ​​the display panel into a first display area and a second display area, and starting to transmit a first data signal to the data line located in the first display area at a first moment, and starting to transmit a second data signal to the data line located in the second display area at a second moment different from the first moment, the embodiments of this application can reduce the current change caused by grayscale switching of the source driver, while not reducing the in-plane transmittance, thereby optimizing the pixel misfilling quality problem caused by the weak thrust and high impedance of the driver chip itself, with the driver chip as the boundary.

[0026] In one embodiment, the display panel is a liquid crystal display panel. The display panel includes a display area and a non-display area. The display area includes a plurality of pixels, arranged in rows and columns to form a pixel array. It is worth noting that in some embodiments, the concepts of row and column are interchangeable; therefore, a row in this embodiment can also be a column in other embodiments. This application does not limit the use of rows and columns.

[0027] In one embodiment, the pixel may include sub-pixels of different color types, such as red sub-pixels, green sub-pixels, and blue sub-pixels. In each row of sub-pixels, sub-pixels of different colors are arranged in a sequential repeat; in each column of sub-pixels, sub-pixels of the same color type are located in the same column. In some embodiments, the pixel may also include sub-pixels of other color types, such as white sub-pixels, which is not limited in this application.

[0028] Figure 3 A schematic diagram illustrating the pixel architecture of an embodiment of this application is shown. For ease of description, refer to... Figure 3 In this application, the leftmost column of subpixels is taken as the first column of subpixels, and the topmost row of subpixels is taken as the first row of subpixels. Then the pixel in the top left corner can be recorded as subpixel (1,1). The first number in the parentheses represents the row where the subpixel is located, and the second number represents the column where the subpixel is located.

[0029] like Figure 3 As shown, subpixels of different color types can be arranged sequentially along the row direction, and subpixels of the same color type can be arranged in the same column. Subpixel (1,1) is a red subpixel, subpixel (1,2) is a green subpixel, and subpixel (1,3) is a blue subpixel. Subpixels (1,1), (1,2), and (1,3) are arranged along the row direction. The other subpixels in the same column as subpixel (1,1) remain red subpixels, the other subpixels in the same column as subpixel (1,2) remain green subpixels, and the other subpixels in the same column as subpixel (1,3) remain blue subpixels. Figure 3 This example uses two pixels per row. It can be understood that the number of pixels per row can be set as needed, and this application does not limit this.

[0030] by Figure 3 For example, the display panel has a first display area 31 and a second display area 32, which can be arranged adjacent to each other. Based on the above-mentioned inventive concept of dividing the original display area into a first display area and a second display area, the embodiments of this application can further divide the scan line into multiple parts, such as into four parts, according to the actual situation. Thus, a row of pixels can be divided into a first display area, a second display area, a third display area, and a fourth display area, so as to adjust the driving timing based on different display areas and thereby improve the quality problem of pixel misfilling.

[0031] In one embodiment, the display panel further includes a non-display area, and the source driver is disposed within the non-display area. In some embodiments, the source driver may also be disposed outside the display panel, and this application is not limited thereto.

[0032] Figure 4 A schematic diagram illustrating the driver architecture of an embodiment of this application is shown. Figure 4 As shown, the source driver 2 is electrically connected to the display area 1 of the display panel. The source driver 2 includes at least one source driver chip 24, which integrates a timing controller 21. The source driver chip 24 may be a TED chip. The source driver 2 is connected to the first shift register 22 and the second shift register 23 to control the first scan line and the second scan line.

[0033] In one embodiment, the source driver 2 is electrically connected to a first shift register 22 and a second shift register 23. The first shift register 22 is connected to at least one first scan line, and the second shift register 23 is connected to at least one second scan line. Both the first shift register 22 and the second shift register 23 are electrically connected to the timing controller 21.

[0034] In one embodiment, one of the first data signal and the second data signal includes at least heavy-load data, while the other of the first data signal and the second data signal includes at least light-load data. Optionally, the first data signal includes heavy-load data, and the second data signal includes light-load data. Heavy-load data refers to data signals in the same frame where the difference between the current row of input data and the next row of input data is large, i.e., data with a relatively large grayscale step amplitude in the pixel area; light-load data refers to data signals in a row of pixel units where the difference between the current frame of input data and the next frame of input data is small, i.e., data with a relatively small grayscale step amplitude in the pixel area.

[0035] In one embodiment, the source driver 2 has multiple output channels, which are used to output light-load data or heavy-load data. Both the light-load data and the heavy-load data can be grayscale data. When a pixel receives light-load data, a smaller voltage or current is required to drive the pixel to display a predetermined grayscale; when a pixel receives heavy-load data, a larger voltage or current is required to drive the pixel to display a predetermined grayscale.

[0036] Since the timing controller 21 is integrated into the source driver chip 24, the output of display data is actually handled by the TED chip. The TED chip has multiple output channels, each of which can output light-load or heavy-load data.

[0037] In one embodiment, see Figure 4 The source driver 2 further includes a first output channel 241 and a second output channel 242. The first output channel 241 is connected to the source driver chip 24 and the data line of the first display area, and the first output signal of the first output channel 241 is in phase with the first scan signal. The second output channel 242 is connected to the source driver chip 24 and the data line of the second display area, and the second output signal of the second output channel 242 is in phase with the second scan signal.

[0038] The first output channel 241 transmits light-load data, while the second output channel 242 transmits heavy-load data. In other words, this application can divide the channels and scan lines controlled by the TED IC into two parts, each controlled by a different scan signal. When the right channel is in a relatively heavy-load charging process, the left channel is in a light-load voltage rise or maintenance phase.

[0039] In one embodiment, each column of sub-pixels is electrically connected to a data line, which is electrically connected to a corresponding output channel to receive lightly loaded or heavily loaded data. The data line of each column of pixels can receive either lightly loaded or heavily loaded data. When the data on the data line is lightly loaded, all sub-pixels in the corresponding column of data lines can write lightly loaded data; when the data on the data line is heavily loaded, all sub-pixels in the corresponding column of data lines can write heavily loaded data.

[0040] In one embodiment, the first scan line of the first pixel region and the second scan line of the second pixel region are located on different sides of the same pixel row. The first scan line is located on one side of the pixel row of the first pixel region, and the second scan line is located on one side of the pixel row of the second pixel region. Since the pixel row of the first pixel region and the pixel row of the second pixel region can be the same row, although the first scan line and the second scan line are both located on one side of the pixel row, they are actually located on different sides of that pixel row with respect to the same pixel row. For example, for Figure 3 The first row of pixels has a first scan line G2 located below the pixel row, while the second scan line G1 is located above the pixel row.

[0041] exist Figure 3 In this application, G2, G4, G6, G8, G10, and G12 can all be referred to as first scan lines, and G1, G3, G5, G7, G9, and G11 can all be referred to as second scan lines. It should be noted that each sub-pixel in this application may also be provided with a corresponding thin-film transistor (TFT). The gate of the TFT is electrically connected to the scan line corresponding to the sub-pixel, the source of the TFT is electrically connected to the pixel electrode of the sub-pixel, and the drain of the TFT is electrically connected to the data line corresponding to the sub-pixel. Figure 3 The output shows the thin-film transistor T1 for sub-pixel (1,1) and the thin-film transistor T2 for sub-pixel (1,6). The electrical connections of other sub-pixels are simplified. However, it is understandable that the thin-film transistors of each sub-pixel in the first pixel area of ​​the left half can be set according to the connection method of the thin-film transistor T1 for sub-pixel (1,1); and the thin-film transistors of each sub-pixel in the second pixel area of ​​the right half can be set according to the connection method of the thin-film transistor T1 for sub-pixel (1,1).

[0042] In one embodiment, the non-display area may further include a gate on array (GOA) circuit, which integrates the gate on array substrate of the display panel to output a scan signal and achieve line-by-line scanning. The GOA circuit can be electrically connected to the TED chip.

[0043] In one embodiment, the display panel further includes an array substrate trace area, also known as a WOA area. The array substrate trace area may be located between the source driver 2 and other external driving circuits to enable electrical connection between the external driving circuits of the display panel and at least one driving chip within the display panel. The external driving circuit may be, for example, a power supply circuit that drives the display panel, and may be fabricated in the form of a printed circuit board (PCB). It is understood that this application does not limit the specific structure of the external driving circuit.

[0044] Figure 5 This diagram illustrates the driving timing of an embodiment of this application. Figure 6 A flowchart illustrating the display driving method of an embodiment of this application is shown below. Figure 5 The working process of the display driving method is explained in detail.

[0045] like Figure 6 As shown, the display driving method is applied to the display device, and the display driving method includes:

[0046] Step S1: Start transmitting a first data signal to the data line located in the first display area at a first moment;

[0047] See Figure 5 At time t1, all scan lines are at a low level, and the first and second output channels are also at a low level. At time t2 (i.e., the first time), G1 starts to go high, and the second output channel can also go high. At this time, the first data signal can be transmitted to the target sub-pixel in the second pixel area.

[0048] Step S2: Start transmitting a second data signal to the data line located in the second display area at a second time, where the first time and the second time are different.

[0049] See also Figure 5 At time t3 (i.e., the second time), G2 goes high, the first output channel goes high, and at this time the second data signal can be transmitted to the target sub-pixel in the first pixel area.

[0050] In one embodiment, the source driver terminates the transmission of the first data signal to the data line located in the first display area at a third time, and the second time is located between the first time and the third time. Further, the step of starting the transmission of the second data signal to the data line located in the second display area at the second time includes:

[0051] Step S21: At a third moment, the transmission of the first data signal to the data line located in the first display area is terminated, and the second moment is at least after the first moment.

[0052] See Figure 5 At time t4 (the third time), the first data signal of G1 is transmitted completely, and G3 goes high. At this time, the first data signals of other channels can be transmitted to the target sub-pixels in the second pixel area. At time t5 (the fourth time), the second data signal of G2 is transmitted completely. At time t6, the first data signal of G3 is transmitted completely, and the transmission of the second data signals of other rows begins. At time t7, the transmission of the first data signals of other rows begins.

[0053] In one embodiment, the source driver terminates the transmission of the second data signal to the data line located in the second display area at a fourth time. The first scan signal of the first scan line is a preset first pulse between the first time and the third time, and the second scan signal of the second scan line is a preset second pulse between the third time and the fourth time. The second pulse is delayed by half the time length of the first pulse relative to the first pulse. Optionally, the pulse width of the first pulse is equal to the pulse width of the second pulse.

[0054] For example, see Figure 5 If the pulse width of each scan signal is Ts, then the phase difference between each scan signal is 1 / 2 Ts. Taking G1 and G2 as examples, the pixel row scanned by G1 and the pixel row scanned by G2 are actually the same row, and the transmission phase difference between the second data signal and the first data signal in this same row is 1 / 2 Ts. For different pixel rows of the same type of pixel area, such as G1 and G3, the phase difference between them can be Ts.

[0055] In one embodiment, the source driver terminates the transmission of the first data signal to the data line located in the first display area at a third time, where the second time is simultaneous with or after the third time. That is, the first pulse and the second pulse may partially overlap or not overlap, depending on the actual charging speed of the pixel. Optionally, when the charging speed is fast, the first pulse and the second pulse do not overlap; the first display area is charged first, then the second display area is charged. In this case, the human eye cannot distinguish the order of charging, and it will not negatively affect the display image.

[0056] Combination Figure 3 When the right sub-pixel is in a relatively heavy charging process, the left sub-pixel is in a light-load voltage rise or maintenance phase. It should be noted that the second data signal can be either positive or negative. The first data signal can also be either positive or negative.

[0057] Since half of the source driver channels in this application can be under heavy load while the other half can be under light load, the current drawdown caused by the source driver switching from grayscale 0 to grayscale 255 can be reduced. Current drawdown represents the change in the output current of the TED chip when the grayscale changes, thereby optimizing the display quality issue of heavily loaded high-impedance panels. Furthermore, for each row of pixels, the number of scan lines can be increased by only one. Although this changes the in-plane design, it does not reduce the in-plane transmittance, thus optimizing the pixel misclassification issue at the IC boundary caused by the TED chip's weak thrust and high impedance in the WOA region.

[0058] The timing controller includes a processor for controlling the states of the first scan line and the second scan line. The state of the first scan line can be either on or off. For example, it is on when the first scan line is high and on when it is low. The state of the second scan line can have a similar definition to that of the first scan line.

[0059] When the first output channel of the source driver transmits the second data signal to the target sub-pixel of the first pixel area, the corresponding first scan line can be in an on state; when the second output channel of the source driver transmits the first data signal to the target sub-pixel of the second pixel area, the corresponding second scan line can be in an on state. For other details regarding the aforementioned display driving method, please refer to the above description of the display panel, which will not be repeated here.

[0060] In summary, by dividing the display area of ​​the display panel into a first display area and a second display area, and starting to transmit a first data signal to the data line located in the first display area at a first moment, and starting to transmit a second data signal to the data line located in the second display area at a second moment different from the first moment, this application can reduce the current change caused by grayscale switching of the source driver, while not reducing the in-plane transmittance, thereby optimizing the pixel misfilling quality problem caused by the weak thrust and high impedance of the driver chip itself, with the driver chip as the boundary.

[0061] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0062] The display device and display driving method provided in the embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A display device, characterized in that, The display panel includes a source driver and a display panel, wherein the source driver is used to drive the display panel to emit light, and the display panel has a first display area and a second display area. The display panel includes: Multiple first scan lines are disposed in the first display area, and the multiple first scan lines are spaced apart along a first direction; Multiple second scan lines are disposed in the second display area, and the multiple second scan lines are spaced apart along the first direction; Multiple data lines are provided, positioned in the first display area and the second display area, and connected to the source driver. These data lines are spaced apart along a second direction, and the first and second directions intersect. The source driver starts transmitting a first data signal to the data line located in the first display area at a first moment, and starts transmitting a second data signal to the data line located in the second display area at a second moment, wherein the first moment and the second moment are different; One of the first data signal and the second data signal includes at least heavy-load data, while the other of the first data signal and the second data signal includes at least light-load data.

2. The display device according to claim 1, characterized in that, The source driver terminates the transmission of the first data signal to the data line located in the first display area at a third time, and the second time is located between the first time and the third time.

3. The display device according to claim 2, characterized in that, The source driver terminates the transmission of the second data signal to the data line located in the second display area at the fourth time. The first scan signal of the first scan line is a preset first pulse between the first time and the third time. The second scan signal of the second scan line is a preset second pulse between the third time and the fourth time. The second pulse is delayed by half the time length of the first pulse relative to the first pulse.

4. The display device according to claim 1, characterized in that, The source driver terminates the transmission of the first data signal to the data line located in the first display area at a third time, where the second time is simultaneous with the third time or the second time is after the third time.

5. The display device according to claim 1, characterized in that, The source driver is electrically connected to the first shift register and the second shift register, wherein: The first shift register is connected to at least one of the first scan lines. The second shift register is connected to at least one of the second scan lines.

6. The display device according to claim 5, characterized in that, The source driver includes at least one source driver chip, and the source driver further includes: A first output channel is connected to the source driver chip and the data line of the first display area, and the first output signal of the first output channel is in phase with the first scan signal; The second output channel is connected to the data line of the source driver chip and the second display area, and the second output signal of the second output channel is in phase with the second scan signal.

7. The display device according to claim 6, characterized in that, The source driver chip also integrates a timing controller, which is connected to the first shift register and the second shift register to control the first scan line and the second scan line.

8. A display driving method, characterized in that, The display driving method is applied to the display device as described in any one of claims 1-7, and the display driving method includes: At the first moment, a first data signal is transmitted to the data line located in the first display area; The transmission of a second data signal to the data line located in the second display area begins at a second time, which is different from the first time.

9. The display driving method according to claim 8, characterized in that, The step of transmitting the second data signal to the data line located in the second display area at the second moment includes: The transmission of the first data signal to the data line located in the first display area ends at a third time, and the second time is at least after the first time.

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