CN115273748A - Display module, display system, display driver, display method and electronic equipment - Google Patents

Abstract

The present application discloses a display module, a display system, a display driver, a display method and an electronic device, including an image processing module, a main display driving module, a slave display driving module and a display panel; the image processing module, the main display driving module and the slave display The display driving module is connected; the image processing module is used for receiving image data, and performing frame processing on the image data to obtain composite frame data, and distributing the composite frame data to the main display driving module and the slave display driving module; the main display driving module is used for sending the composite frame data to the main display driving module The slave display drive module sends a synchronization timing signal, and the master display drive module and the slave display drive module respectively control the display panel to display synchronously according to the received synthetic frame data. Therefore, the display module and the external system processor adopt single-channel data transmission, which realizes high frame rate data display, reduces the complexity of the display module structure, and avoids the risk of asynchronous data transmission in multi-channel data transmission. Ensure the stability of data transmission.

Description

Display module, display system, display driver, display method and electronic device

technical field

The present application belongs to the field of display technology, and in particular relates to a display module, a display system, a display driver, a display method and electronic equipment.

Background technique

Driven by digital technology, thousands of industries have undergone profound changes. With the outbreak of the mobile Internet, electronic devices such as mobile phones and tablet computers have developed rapidly. At the same time, electronic devices also put forward higher requirements for display frame rates. Starting from 60HZ, 90HZ, and now 120HZ, high frame rate means large data volume and high power consumption, which brings new challenges to data transmission and display.

In the related art, for large-screen electronic equipment, in order to meet the display requirements of high frame rate and high resolution, multiple display driver chips (Display Driver Integrated Circuit, DDIC), processors and multiple display drivers are installed in the electronic equipment. The chips are transmitted through multiple channels of MIPI (Mobile Industry Processor Interface, high-speed differential signal transmission protocol). Correspondingly, each channel of MIPI transmission is equipped with an independent display chip, and the independent display chip is used to perform frame insertion processing on the image data to realize High frame rate display.

However, the multi-channel MIPI transmission using the related technology has complex structural design, high cost, and there is a risk of data transmission out of synchronization, which affects the stability of data transmission.

Contents of the invention

This application aims to provide a display module, a display system, a display driver, a display method, and electronic equipment, at least to solve the multi-channel MIPI transmission of related technologies, which has complex structural design, high cost, and the risk of data transmission being out of sync. One of the problems that affects the stability of data transmission.

In order to solve the above-mentioned technical problems, the application is implemented as follows:

In the first aspect, the embodiment of the present application proposes a display module, including: an image processing module, a master display driver module, a slave display driver module, and a display panel;

The image processing module is respectively connected to the main display driver module and the slave display driver module; the image processing module is used to receive image data, and perform frame processing on the image data to obtain composite frame data, and send The master display driver module and the slave display driver module distribute the synthesized frame data;

The master display driver module is connected to the slave display driver module, the master display driver module is used to send a synchronous timing signal to the slave display driver module, and control the display panel according to the received synthesized frame data performing display; the slave display driver module is used to control the display panel to perform synchronous display according to the received synchronous timing signal and the synthesized frame data.

In the second aspect, the embodiment of the present application proposes a display system, including: a system processor and a display module;

The display module includes: an image processing module, a main display driver module, a slave display driver module and a display panel;

The system processor is connected to the image processing module for sending image data to the image processing module;

The image processing module is respectively connected to the main display driver module and the slave display driver module; the image processing module is used to receive the image data, and perform frame processing on the image data to obtain composite frame data, and distribute the synthesized frame data to the master display driver module and the slave display driver module;

The master display driver module is connected to the slave display driver module, the master display driver module is used to send a synchronous timing signal to the slave display driver module, and control the display panel according to the received synthesized frame data performing display; the slave display driver module is used to control the display panel to perform synchronous display according to the received synchronous timing signal and the synthesized frame data.

In a third aspect, the embodiment of the present application provides a display driver, including: an image processing module and a main display driving module; the image processing module is connected to the main display driving module;

The image processing module includes: an input interface and at least one output interface;

The image processing module is configured to receive image data through the input interface, perform frame processing on the image data to obtain composite frame data, and distribute the composite frame data to the display driver module and pass the The output interface is distributed to the external display driver;

The main display driver module is used for sending synchronous timing signals to the external display driver, and controlling the display panel to display according to the received synthesized frame data.

In the fourth aspect, the embodiment of the present application proposes a display method, the method includes:

The image data is received by the image processing module;

performing frame processing on the image data by the image processing module to obtain composite frame data;

distributing the synthesized frame data to the main display driver module and the slave display driver module by the image processing module;

sending a synchronous timing signal from the master display driver module to the slave display driver module;

The main display driver module controls the display panel to display according to the received composite frame data; and the slave display driver module controls the display panel according to the received synchronous timing signal and the composite frame data to display synchronously.

In the embodiment of the present application, the display module includes an image processing module, a main display driver module, a slave display driver module and a display panel, the image processing module receives image data, and performs frame processing on the image data to obtain high frame rate synthesis frame data, and distribute the synthesized frame data to the main display driver module and the slave display driver module, and the master display driver module sends a synchronous timing signal to the slave display driver module, and the master display driver module and the slave display driver module respectively control the display panel Simultaneously display composite frame data. The image data is received by the image processing module, and then the image data is processed and distributed to the main display driver module and the slave display driver module, so that the single-channel data transmission between the display module and the external system processor can be realized, and high frame rate data can be realized. While displaying, it reduces the complexity of the structural design of the display module, reduces the risk of data transmission asynchrony in multi-channel data transmission, and improves the stability of data transmission.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic structural diagram of a display system in the related art according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a display module according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another display module according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a display system according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a display driver according to an embodiment of the present application;

FIG. 6 is a flowchart of a display method according to an embodiment of the present application;

Fig. 7 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present application.

Detailed ways

Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application can be more thoroughly understood, and the scope of the present application can be fully conveyed to those skilled in the art.

Before explaining the display module provided by the embodiment of the present application, the application scenarios of the display module provided by the embodiment of the present application are described in detail:

With the popularization of high frame rate electronic devices such as tablets, game consoles, and TVs, users' perception and demand for high frame rate experience is getting stronger and stronger. Taking tablets as an example, currently high frame rate tablets support 120/90Hz, but the actual displayed content, such as: movies (24fps), TV dramas (30fps), games (30/60fps), browsers (60fps), etc., Many of them have not achieved a real high frame rate, but rely on a graphics processor (Graphics Processing Unit, GPU) or a display driver module for simple screen repetition, and the actual experience is still a low frame rate.

In the related art, for large-screen electronic equipment, in order to meet the display requirements of high frame rate and high resolution, a plurality of display driver integrated circuits (Display Driver Integrated Circuit, DDIC) and system-on-chip (System on Chip) are arranged in the electronic equipment. , SoC) and multiple display driver chips are transmitted through a multi-channel high-speed differential signal transmission protocol (Mobile Industry Processor Interface, MIPI). Correspondingly, each MIPI transmission path is equipped with an independent display chip, and the independent display chip is used to pair Image data is processed (such as interpolation, super-resolution, noise reduction, color enhancement, etc.) to achieve high frame rate display.

As shown in FIG. 1 , it shows a schematic structural diagram of a display system in the related art. The display system includes: a system processor 11 , two independent display chips 12 and a display module 13 . Wherein, the system processor 11 is a system-on-chip, and the system-on-chip may include modules such as a processor core, a digital signal processor, a storage module, a communication interface, a power management, and a radio frequency front end. The system-on-a-chip has two display serial interfaces (Display Serial Interface, DSI): DSI TX0 and DSITX1, and the system-on-a-chip implements data transmission with two independent display chips 12 through two MIPI channels. The system-on-a-chip divides the image data of the display content into two, and transmits them to two independent display chips 12 respectively through two DSI interfaces, wherein the display content may include: user interface (User Interface, UI) layer or multimedia (video ) layer content, the independent display chip 12 receives the image data and processes it through its internal functional modules (such as frame interpolation, super-resolution, noise reduction, color enhancement, etc.) to generate composite frame data.

The display module 13 is a liquid crystal module (Liquid Crystal Display Module, LCM), and the display module 13 includes two drive display modules, and the two drive display modules can be display driver chips, and the display driver chips can include: power supply, Timing (responsible for Timing processing), source (data module, responsible for pushing data) and other modules. One of the two display driver chips is the main display driver chip: IC1-M (Master DDIC), and the other is the slave display driver chip IC2-S (SlaveDDIC). The two independent display chips 12 transmit the synthesized frame data processed separately to the two display driver chips IC1-M and IC2-S in the display module 13, and the two display driver chips respectively write data to the display panel, Thus displaying high frame rate content.

Among them, the functions of each interface are as follows:

DSI TX0 (referred to as: TX0): output user interface layer or multimedia layer content;

DSI RX0 (abbreviation: RX0): Receive the content transmitted by DSI TX0;

DSI TX1 (referred to as: TX1): output user interface layer or multimedia layer content;

DSI Rx1 (abbreviation: RX1): Receive the content transmitted by DSI TX1;

DSI Tx2/TX3: output display content to LCM;

TE: display frame rate synchronization signal;

MIPI: High-speed differential signal transmission protocol;

PMIC: power management chip/module, including: battery management chip, independent display power supply management chip and other module power management chips/modules.

However, the multi-channel MIPI transmission of the related technology needs to be equipped with multiple independent display chips, which greatly increases the cost of electronic equipment. Transmission, the synchronization of data transmission cannot be guaranteed between multiple transmission paths, and after the introduction of independent display chips, due to the performance difference of the independent display chips themselves, the delay between multiple transmission paths will be amplified, further increasing the asynchronous data transmission risks of.

Based on the above problems, the embodiment of the present application provides a display module to at least solve the problem of multi-channel MIPI transmission using related technologies in the prior art. One of the problems of data transmission stability.

The display module provided by the embodiment of the present application will be described in detail below with reference to the accompanying drawings.

Referring to FIG. 2 , it shows a schematic diagram of the structure of a display module provided by an embodiment of the present application. The display module 13 includes: an image processing module 132, a master display driver module 1311, a slave display driver module 1312, and a display panel 133; The processing module 132 is respectively connected to the main display driver module 1311 and the slave display driver module 1312; the image processing module 132 is used to receive image data, and perform frame processing on the image data to obtain composite frame data, and send the result to the master display driver module 1311 and the slave display driver module 1311. The display driver module 1312 distributes the synthesized frame data; the main display driver module 1311 is connected to the slave display driver module 1312, and the master display driver module 1311 is used to send a synchronous timing signal to the slave display driver module 1312, and according to the received synthesized frame data Control the display panel 133 to display; the slave display driver module 1312 is used to control the display panel 133 to perform synchronous display according to the received synchronous timing signal and synthesized frame data.

In the embodiment of the present application, the display module 13 includes an image processing module 132, a master display driver module 1311, a slave display driver module 1312, and a display panel 133. The image processing module 132 receives image data, and performs frame processing on the image data to obtain Composite frame data with a high frame rate, and distribute the composite frame data to the main display driver module 1311 and the slave display driver module 1312. The module 1311 and the slave display driver module 1312 respectively control the display panel 133 to perform synchronous display according to the synthesized frame data received respectively. The image data is received by the image processing module 132, and then the image data is processed and distributed to the main display driver module 1311 and the slave display driver module 1312, so that the display module 13 and the external system processor can use single-way data transmission to achieve high performance. While displaying data at a frame rate, the complexity of the structural design of the display module 13 is reduced, and the risk of data transmission asynchronous in multi-channel data transmission is avoided, ensuring the stability of data transmission.

Specifically, the display module 13 includes: an image processing module 132, a master display driver module 1311, a slave display driver module 1312, and a display panel 133. After receiving image data, the image processing module 132 processes the received image data to obtain a composite frame data.

Wherein, the image processing module 132 has functions similar to an independent display chip, that is, at least has functions such as frame interpolation, noise reduction, and color enhancement. The frame processing of the image data by the image processing module 132 may include frame interpolation processing, using the two frames of data in the image data to calculate the motion characteristics of the picture, simulating and generating the middle picture, and realizing dynamic supplementary frames, so as to render the original low frame rate content into high frame rate content. The frame rate of the synthesized frame data processed by the image processing module 132 is greater than or equal to the image data received by the image processing module 132 .

The image processing module 132 is respectively connected to the main display driver module 1311 and the slave display driver module 1312, wherein the image processing module 132 can be integrated with the main display driver module 1311, that is, the image processing module 132 is built into the display driver module, or The image processing module 132 is set independently relative to the display driver module in an external manner.

The image processing module 132 processes the image data to obtain synthesized frame data, splits the synthesized frame data according to the number of the master display driver module 1311 and the slave display driver module 1312, and sends the split data to the master display driver respectively The module 1311 and the slave display driver module 1312, the master display driver module 1311 and the slave display driver module 1312 respectively control the display panel 133 to perform synchronous display after receiving the data distributed by the image processing module 132.

It can be understood that in related technologies, multiple independent display chips are connected to multiple display driver modules in the display system, and one independent display chip is connected to one display driver module to realize one-way data transmission. In order to meet the high frame rate display requirements , through multiple independent display chips and multiple display driver modules to achieve multi-channel data transmission, however, using the data transmission method in the related technology, due to the data transmission delay between different independent display chips and the performance difference of each independent display chip, This leads to the problem of asynchronous data transmission between multiple data transmissions.

And adopt the display module in the embodiment of the present application, receive the image data sent by the external system processor through an image processing module 132, carry out frame processing to the image data through the image processing module 132 to obtain high frame rate composite frame data, and then The synthesized frame data is distributed to the master display driver module 1311 and the slave display driver module 1312, which avoids the asynchronous problem of data transmission by multiple independent display chips and reduces the risk of data transmission asynchrony.

Specifically, the master display driver module 1311 is connected to the slave display driver module 1312, and the master display driver module 1311 can send a synchronous timing signal to the slave display driver module 1312, so that the slave display driver module 1312 can synchronously refresh the display panel 133 according to the synchronous timing signal. data, so that the slave display driver module 1312 and the master display driver module 1311 can synchronously control the display panel 133 to display composite frame data, which improves the timing synchronization of multiple display driver modules.

The number of slave display driver modules 1312 in the display module can be set to one, or multiple. When there are multiple slave display driver modules 1312, the multiple slave display driver modules 1312 are respectively connected to the main display driver module 1311, and the master display driver module 1311 can simultaneously send synchronous timing signals to the multiple slave display driver modules 1312, so that Multiple slave display driver modules 1312 write data to the display panel 133 synchronously according to the synchronous timing signals received respectively, so that multiple slave display driver modules 1312 and the master display driver module 1311 can synchronously control the display panel 133 to display composite frame data.

Of course, the specific number of slave display driver modules 1312 set in the display module 13 can be set according to actual needs, which is not limited in this embodiment of the present application.

Wherein, the master display driver module 1311 and the slave display driver module 1312 can be connected through a parallel communication interface, and the master display driver module 1311 sends a synchronous timing signal to the slave display driver module 1312 through the parallel communication interface.

It can be understood that the image processing module 132 is connected to the main display driver module 1311 and the slave display driver module 1312 respectively. The module 1311 sends a synchronous timing signal to the slave display driver module 1312 at the same time, thereby ensuring the synchronization of data transmission and timing control, and reducing the risk of out-of-synchronization between different data transmission paths in the display module 13 .

The display module 13 in the embodiment of the present application can be used for electronic devices with screens, such as tablet computers, smart TVs, movie screens, etc. For electronic devices with screen sizes larger than the preset size, in order to obtain high resolution, high frame To achieve a high-speed display effect, a plurality of display driver modules can be installed in the display module 13, and the display panel 133 of the electronic device is synchronously driven by the plurality of display driver modules to display image data with a high frame rate. It should be noted that the display module is provided with a main display driver module 1311 and at least one slave display driver module 1312, wherein the specific number of slave display driver modules 1312 can be determined according to the display requirements of the display panel 133. Examples are not limited to this.

Optionally, referring to FIG. 2 , the image processing module 132 is integrated with the main display driver module 1311 ; the image processing module 132 includes at least one output interface, and one output interface is connected to one slave display driver module 1312 .

In the embodiment of the present application, the image processing module 132 and the main display driver module 1311 can be integrated, thereby simplifying the structural design of the display module 13, and compared to connecting the image processing module 132 and the main display driver module 1311 through a display interface The image processing module 132 directly transmits data to the main display driving module 1311 through the internal integrated circuit, which reduces the data transmission delay between the image processing module 132 and the main display driving module 1311 .

Specifically, the display module includes a master display driver module 1311 and a slave display driver module 1312 , and the image processing module 132 and the master display driver module 1311 can be integrated. For example, the main display driver module 1311 can be a display driver chip, and the image processing module 132 can be integrated in the display driver chip, so that the integrated display driver chip has the frame processing function of the independent display chip, wherein the frame processing can include: frames, noise reduction, color enhancement, and more.

The image processing module 132 includes at least one output interface, and the display module includes at least one slave display driver module 1312. Correspondingly, each slave display driver module 1312 is provided with a receiving interface, and an output interface of the image processing module 132 is connected to a slave display driver module 1312. The receiving interface of the module 1312 is connected to realize the data transmission from the image processing module 132 to the display driver module 1312 .

Specifically, as shown in FIG. 2 , the image processing module 132 includes: an input interface RX0 and an output interface TX1. The image processing module 132 is connected to the input interface RX 1 of the slave display driver module 1312 through the output interface TX1. The image processing module 132 is integrated by The circuit is connected with the main display driving module 1311 . The output interface of the image processing module 132 and the receiving interface from the display driver module 1312 can adopt a DSI interface, wherein the output interface TX1 is a display serial interface-transmitter (DSITransmit, DSI TX), and the input interface RX0 and input interface RX1 are Displays the serial interface - receiver (DSI Receiver, DSI RX).

In this embodiment of the application, the image processing module 132 and the main display driver module 1311 are integrated to form the display driver 130, and the main display driver module 1311 in the display driver 130 can send a synchronous timing signal to the slave display driver module 1312, and the image processing module 132 may send data to the slave display driver module 1312 . Therefore, unified control over timing and data of the slave display driver module 1312 can be realized through the integrated display driver 130 , which can further reduce the risk of asynchronous data transmission. Optionally, referring to FIG. 2 , the image processing module 132 is further configured to divide the synthesized frame data into first sub-data and second sub-data; transmit the first sub-data to the main display driver module 1311, and divide the second sub-data Send to the slave display driver module 1312 through the output interface.

In this embodiment of the application, the image processing module 132 can also split the synthesized frame data, divide the synthesized frame data into multiple sub-data, and send the multiple sub-data to the main display driver module 1311 and the slave display driver module 1311 connected to it respectively. The driver module 1312 is used to complete the distribution of the synthesized frame data, thereby uniformly distributing data to the main display driver module 1311 and the slave display driver module 1312 through the image processing module 132, so as to realize the data distribution of the master display driver module 1311 and the slave display driver module 1312. The unified control of transmission simplifies the structural design and reduces the risk of data transmission out of synchronization.

Specifically, after receiving the image data sent by the external system processor 11 , the image processing module 132 performs processing such as frame interpolation on the image data to obtain composite frame data with a high frame rate. Further, the image processing module 132 splits the synthesized frame data, divides the synthesized frame data into first sub-data and second sub-data, and then the image processing module 132 transmits the first sub-data to the main display driver module 1311, At the same time, the second sub-data is sent to the slave display driver module 1312 .

In some embodiments, the image processing module 132 is provided with a split display module (Split Display), and the split display module is used to split the synthesized frame data into multiple sub-data, so as to distribute the synthesized frame data to multiple display drive modules .

An output interface of the image processing module 132 is connected to a receiving interface of the slave display driver module 1312, and the image processing module 132 sends the second sub-data to the slave display driver module 1312 connected to the output interface through an output interface.

It can be understood that the image processing module 132 can split the synthesized frame data according to the number of the main display driver module 1311 and the slave display driver module 1312. When there are multiple slave display driver modules 1312, the image processing module 132 can combine the synthesized frame data split into one first sub-data and multiple second sub-data, wherein the number of multiple second sub-data after splitting is consistent with the number of multiple slave display driver modules 1312, so as to implement multiple Displays the distribution of the driver module.

Of course, the specific number of split second sub-data can be determined according to the number of slave display driving modules 1312 connected to the image processing module 132, and there is no limitation on this.

Optionally, referring to FIG. 2 , the image processing module 132 is further configured to send the second sub-data to the slave display driver module 1312 through the output interface based on a high-speed differential signal transmission protocol.

In the embodiment of the present application, the image processing module 132 sends the second sub-data to the slave display driver module 1312 based on MIPI transmission. Using MIPI transmission can realize high-speed transmission of high frame rate data, and can reduce power consumption during data transmission. The delay of the second sub-data transmission is reduced.

The image processing module 132 is connected to the slave display driver module 1312 through the output interface, the output interface of the image processing module 132 and the receiving interface of the slave display driver module 1312 can both adopt a DSI interface, and the image processing module 132 can transfer to the slave display driver module based on MIPI. 1312 Send the second sub-data to implement data transmission between the image processing module 132 and the slave display driver module 1312 .

It should be noted that, when there are multiple slave display driver modules 1312, the image processing module 132 may send the second sub-data to the multiple slave display driver modules 1312 through multiple MIPI transmissions, and one slave display driver module 1312 corresponds to All the way MIPI transmission.

Optionally, referring to FIG. 3 , the image processing module 132 is set independently from the main display driver module 1311 and the slave display driver module 1312. The image processing module 132 includes at least two output interfaces, and one of the at least two output interfaces outputs The interface is connected to the master display driver module 1311 , and the other output interface of the at least two output interfaces is connected to the slave display driver module 1312 .

In the embodiment of the present application, the image processing module 132, the master display driver module 1311 and the slave display driver module 1312 can be set independently of each other. It is connected with the master display driver module 1311 and the slave display driver module 1312. Therefore, the image processing module 132 receives the image data sent by the external system processor 11, and obtains the synthesized frame data after being processed by the image processing module 132, and then the image processing module 132 distributes the synthesized frame data to the main display driver module 1311 and the slaves. The display driver module 1312 realizes data display at a high frame rate, which not only reduces the complexity of the structural design of the display module 13, but also avoids the risk of asynchronous data transmission in multi-channel data transmission, ensuring the stability of data transmission .

Specifically, as shown in FIG. 3 , the image processing module 132 in the display module 13 is set independently from the main display driver module 1311 and the slave display driver module 1312, and the image processing module 132 is provided with multiple output interfaces, such as TX1 and TX2. Correspondingly, the main display driver module 1311 is provided with a first receiving interface, such as RX1, and the slave display driver module 1312 is respectively provided with a second receiving interface, such as RX2, an output interface of the image processing module 132 and a first receiving interface of the main display driver module 1311 One receiving interface is connected, such as TX1 is connected with RX1, and another output interface of the image processing module 132 is connected with the second receiving interface of the slave display driver module 1312, such as TX2 is connected with RX2, thereby realizing that the image processing module 132 drives the main display respectively. module 1311 and send data from the display driver module 1312. The image processing module 132 also has a receiving interface, such as RX0, for connecting with an external system processor.

The output interface of the image processing module 132, the first receiving interface of the main display driver module 1311 and the second receiving interface of the slave display driver module 1312 can all use DSI interfaces, wherein the output interface of the image processing module 132 is a display serial interface- The sending end, the first receiving interface of the master display driver module 1311 and the second receiving interface of the slave display driver module 1312 are the display serial interface-receiving end.

It should be noted that the output interface of the image processing module 132 corresponds to the interface type of the first receiving interface of the master display driver module 1311 and the second receiving interface of the slave display driver module 1312, and the multiple output interfaces of the image processing module 132 The specific types may be the same or different, and those skilled in the art may set them according to specific data transmission needs, which is not limited in this embodiment of the present application.

In some embodiments, the display module may include a master display driver module 1311 and multiple slave display driver modules 1312, the image processing module 132 is provided with a plurality of output interfaces, and the image processing module 132 respectively provides 1311 and multiple slave display driver modules 1312 to send data.

While the image processing module 132 sends data to the master display driver module 1311 and multiple slave display driver modules 1312, the master display driver module 1311 sends synchronous timing signals to the multiple slave display driver modules 1312 respectively, so as to realize data and timing alignment. Synchronize.

Optionally, referring to FIG. 3 , the image processing module 132 is further configured to divide the synthesized frame data into first sub-data and second sub-data; and send the first sub-data to the main display driver module 1311 through an output interface. , and send the second sub-data to the slave display driver module 1312 through the output interface.

In this embodiment of the application, the image processing module 132 may also split the synthesized frame data into multiple sub-data, and send the multiple sub-data to multiple display driver modules connected to it, so as to complete the distribution of the synthesized frame data , so that the image processing module 132 uniformly distributes data to multiple display driver modules, and then realizes unified control of data transmission of multiple display driver modules, simplifies structural design, and reduces the risk of asynchronous data transmission.

Specifically, the display driver module includes a master display driver module 1311 and a slave display driver module 1312. After receiving the image data sent by the external system processor, the image processing module 132 performs processing such as frame interpolation on the image data to obtain high frame Rate synthetic frame data. Then split the synthesized frame data to obtain the first sub-data and the second sub-data, and send the first sub-data to the master display driver module 1311 through the output interface, and send the second sub-data to the slave display driver module 1311 through the output interface The driving module 1312 sends.

Further, when the image processing module 132 sends the first sub-data to the master display driver module 1311 and the second sub-data to the slave display driver module 1312, the master display driver module 1311 synchronously sends a synchronous timing signal to the slave display driver module 1312, In order to realize the synchronization of data and timing.

In some embodiments, the image processing module 132 can choose an independent display chip, and each functional module inside the independent display chip can process the received image data (such as frame insertion, noise reduction, color enhancement, etc.) to obtain a high frame rate Synthetic frame data, and then achieve high frame rate display.

In some embodiments, the image processing module 132 is provided with a split display module (Split Display), and the split display module is used to split the synthesized frame data into the first sub-data and the second sub-data, so as to realize the splitting of the synthesized frame data. Divided into multiple subdata.

It can be understood that the display module may include a master display driver module 1311 and multiple slave display driver modules 1312, and the image processing module 132 may split the synthesized frame data according to the number of master display driver modules 1311 and slave display driver modules 1312 One first sub-data and multiple second sub-data, the number of split second sub-data is the same as the number of slave display driver modules 1312, so as to implement multiple second sub-data to multiple slave display driver modules 1312 distribution. The specific number of second sub-data to be divided may be determined according to the number of slave display driving modules 1312 connected to the image processing module 132, and there is no limitation on this.

Optionally, referring to FIG. 3 , the image processing module 132 is further configured to send the first sub-data to the main display driver module 1311 through the output interface based on a high-speed differential signal transmission protocol, and send the second sub-data through the output interface, Send to the slave display driver module 1312 based on a high-speed differential signal transmission protocol.

In the embodiment of the present application, the image processing module 132 sends the first sub-data to the master display driver module 1311 based on MIPI transmission, and sends the second sub-data to the slave display driver module 1312 based on MIPI transmission. Using MIPI transmission can achieve high frame rate The high-speed data transmission can reduce the power consumption during data transmission and reduce the delay of each sub-data transmission.

The image processing module 132 is respectively connected to the main display driver module 1311 and the slave display driver module 1312 through the output interface, and the output interface of the image processing module 132 and the receiving interface of the master display driver module 1311 and the slave display driver module 1312 can all adopt DSI interfaces, The image processing module 132 can send the first sub-data to the master display driver module 1311 based on MIPI transmission, and send the second sub-data to the slave display driver module 1312 based on MIPI transmission, which can realize the communication between the image processing module 132 and the master display driver module 1311 and the slave display driver module 1311. High-speed transmission of high frame rate data between display driver modules 1312.

Referring to Fig. 4, the embodiment of the present application also provides a display system, the display system includes: a system processor 11 and a display module 13; the display module 13 includes: an image processing module 132, a main display driver module 1311, a slave display driver Module 1312 and display panel 133; system processor 11 is connected with image processing module 132, and is used to send image data to image processing module 132; Image processing module 132 is respectively connected with main display driver module 1311 and slave display driver module 1312; image processing The module 132 is used to receive image data, and perform frame processing on the image data to obtain composite frame data, and distribute the composite frame data to the master display driver module 1311 and the slave display driver module 1312; the master display driver module 1311 and the slave display driver module 1312 connection, the master display driver module 1311 is used to send a synchronous timing signal to the slave display driver module 1312, and control the display panel 133 to display according to the received composite frame data; The synthesized frame data controls the display panel 133 to perform synchronous display.

In the embodiment of the present application, the display system includes: a system processor 11 and a display module 13, wherein the display module 13 includes an image processing module 132, a master display driver module 1311, a slave display driver module 1312 and a display panel 133, the system The processor 11 sends image data to the image processing module 132, and the image processing module 132 performs frame processing on the image data after receiving the image data to obtain composite frame data with a high frame rate, and distributes the composite frame data to the main display driver module 1311 and The slave display driver module 1312 , furthermore, the master display driver module 1311 and the slave display driver module 1312 respectively control the display panel 133 to perform synchronous display according to the synthesized frame data received respectively. The system processor 11 sends the image data to the image processing module 132 through a single-channel data transmission, and then the image processing module 132 processes the data and distributes it to the main display driver module 1311 and the slave display driver module 1312, so that the display module 13 Through single-channel data transmission with the system processor 11, while realizing high-frame-rate data display, the complexity of the structural design of the display module 13 is reduced, and the risk of data transmission asynchrony in multi-channel data transmission is avoided. The stability of data transmission is guaranteed.

As shown in FIG. 4 , the output interface TX0 of the system processor 11 is connected to the input interface RX0 of the image processing module 132 , and the output interface TX1 of the image processing module 132 is connected to the input interface RX1 of the slave display driver module 1312 . The display module 13 includes a master display driver module 1311 and a slave display driver module 1312, wherein the image processing module 132 is integrated with the master display driver module 1311, and the master display driver module 1311 and the slave display driver module 1312 are connected through a parallel communication interface. The display driver module 1311 and the slave display driver module 1312 are respectively connected to the display panel.

In some embodiments, the system processor 11 may be a system-on-chip, wherein the system-on-chip includes: processor core, digital signal processor, storage module, communication interface, power management, radio frequency front-end and other modules.

When the SoC transmits data to the display module 13, the output frame rate of the SoC can be reduced, and then the image data can be adjusted to the target frame rate through the frame interpolation processing of the image processing module 132, and the target frame rate is greater than or equal to the original image data The frame rate, so as to increase or maintain the frame rate of the content displayed by the electronic device, while reducing the power consumption of the SoC, so as to stabilize the output frame rate of the SoC, thereby improving the smoothness of the picture displayed by the electronic device.

5, the embodiment of the present application also provides a display driver 130, including: an image processing module 132 and a main display driver module 1311; the image processing module 132 is connected to the main display driver module 1311; the image processing module 132 includes: an input interface and At least one output interface; the image processing module 132 is used to receive image data through the input interface, and perform frame processing on the image data to obtain composite frame data, and distribute the composite frame data to the main display driver module 1311 and to the outside through the output interface The display driver distributes; the main display driver module 1311 is used to send synchronous timing signals to the external display driver, and control the display panel to display according to the received synthesized frame data.

In the embodiment of the present application, the display driver 130 includes an image processing module 132 and a main display driver module 1311. The image processing module 132 receives image data through an input interface, and performs frame processing on the received image data to obtain high frame rate synthesis. frame data, and then distribute the synthesized frame data to the main display driver module 1311 and to the external display driver through the output interface, and the main display driver module 1311 sends a synchronous timing signal to the external display driver, so that the external display driver according to The synchronous timing signal and the received synthesized frame data are displayed synchronously with the main display driver module 1311 to control the display panel. Therefore, the display driver 130 receives data through a single channel to realize high frame rate data transmission with the main display driver module 1311 and the external display driver, which can reduce the structural design complexity of the display driver 130 when it is used, and at the same time reduce the multi-channel data transmission. There is a risk of asynchronous data transmission to ensure the stability of data transmission.

Specifically, as shown in FIG. 5, the image processing module 132 can be integrated with the main display driver module 1311. The image processing module 132 is provided with an input interface such as: RX0, and multiple output interfaces such as: TX1, TX2. The image processing module 132 may be connected to the external system processor 11 through an input interface, so as to receive image data sent by the external system processor 11 . Wherein, the input interface and the output interface can be DSI interfaces, and the image processing module 132 can be connected to multiple external display drivers through multiple output interfaces, so as to distribute the processed data to multiple external display drivers.

Wherein, both the input interface and the output interface of the image processing module 132 may adopt a DSI interface. MIPI is used between the image processing module 132 and the external system processor 11 and between the image processing module 132 and multiple external display drivers.

It can be understood that, when the display driver 130 formed by integrating the image processing module 132 and the main display driver module 1311 is connected to other external display drivers, the main display driver module 1311 in the display driver 130 can provide The external display driver sends synchronous timing signals, and the image processing module 132 can send image data to the external display driver. Therefore, unified control over the timing and data of the external display driver can be realized through the integrated display driver 130 , which can further reduce the risk of asynchronous data transmission.

Referring to FIG. 6, the embodiment of the present application also provides a display method, and the specific steps of the method include:

Step 101 , image data is received by the image processing module 132 .

The display method of the embodiment of the present application can be used in the display module 13, and the display module 13 can include: an image processing module 132, a master display driver module 1311, a slave display driver module 1312, and a display panel 133, and the image processing module 132 communicates with the master The display driver module 1311 is connected to the slave display driver module 1312 , and the master display driver module 1311 and the slave display driver module 1312 are respectively connected to the display panel 133 .

The image data can be received by the image processing module 132, specifically, the image processing module 132 can be connected with the external system processor 11, and the image processing module 132 can receive the image data sent by the external system processor 11, and the image data can be low frame The image data of low frame rate, for example: 24fps (frames per second), 30fps, 60fps and other low frame rate image data.

Of course, the specific frame rate of the image data may be set according to actual needs, which is not limited in this embodiment of the present application.

It should be noted that, before step 101 in the embodiment of the present application, the electronic device has a power-on process. For example, after the user clicks the power-on button, the electronic device is turned on, and then the display system is powered on.

After power-up, you can also include:

S1, the system processor 11 sends a first initialization instruction to the image processing module 132;

S2, the image processing module 132 initializes according to the first initialization instruction;

S3, the system processor 11 issues a second initialization instruction to the main display driver module 1311;

S4, the master display driver module 1311 initializes each slave display driver module 1312 according to the second initialization instruction. Wherein, the master display driver module 1311 can initialize the slave display driver module 1312 through the TX1 interface.

S5, after delaying for the first preset time, the main display driver module 1311 initializes according to the second initialization instruction;

Specifically, the master display driver module 1311 initializes the slave display driver module 1312 after receiving the second initialization instruction and executes step S4, and initializes the master display driver module 1311 after receiving the second initialization instruction after a first preset time delay.

It can be understood that, because the master display driver module 1311 executes the process of initializing the slave display driver module 1312, there is a delay in command transmission, therefore, by setting the first preset time, the master display driver module 1311 and the slave display driver Module 1312 completes initialization synchronously.

Wherein, the first preset time may be set as: 50-150ms, for example, 100ms. Of course, the specific first preset time may be set according to actual needs, which is not limited in this embodiment of the present application.

S6, the system processor 11 sends a frame processing instruction to the image processing module 132;

Specifically, after step S5 is executed to complete the initialization of the main display driver module 1311 , the system processor 11 sends a frame processing instruction to the image processing module 132 after a delay of a second preset time. Among them, the frame processing may include: frame interpolation, noise reduction, color enhancement, etc.

It can be understood that the second preset time can be set to 100-300ms, for example, 200ms. Of course, the specific second preset time may be set according to actual needs, which is not limited in this embodiment of the present application.

S7, the image processing module 132 enters the frame processing mode according to the frame processing instruction, and sends a target display frame rate synchronization signal to the system processor 11;

Among them, the image processing module 132 can include a variety of frame processing modes, for example: the mode of interpolating 30HZ image data into 90Hz image data, the mode of interpolating 45HZ image data into 90Hz image data, the mode of interpolating 30HZ image The frame processing mode specifically selected by the image processing module 132 can be configured according to actual needs, such as the mode of data interpolation into 60Hz image data, which is not limited in this embodiment of the present application.

When determining the frame processing mode of the image processing module 132, the corresponding target display frame rate synchronization signal may be determined according to the specific frame processing mode. For example, if the determined frame processing mode is a mode of interpolating 30 Hz image data into 90 Hz image data, then the target display frame rate synchronization signal is a 30 Hz display frame rate synchronization signal. Of course, the specific target display frame rate synchronization signal can be determined according to the actually selected frame processing mode, and there is no limitation on this.

S8, the system processor 11 receives the target display frame rate synchronization signal, and performs frame reduction processing on the original data to generate image data at the target display frame rate;

Specifically, after receiving the synchronization signal of the target display frame rate, the system processor 11 performs frame down processing on the original data. For example, the frame rate of the original data is 90HZ, and the target display frame rate is 30HZ. From 90HZ down to 30HZ to generate 30HZ image data. Of course, the specific frame reduction processing can be determined according to the display frame rate of the original data and the target display frame rate, and there is no limitation on this.

Through the down-frame processing of the original data by the system processor 11, the amount of data transmitted by the system processor 11 to the image processor can be reduced, the transmission power consumption can be reduced, and the delay can also be reduced.

S9, the system processor 11 sends the image data to the image processing module 132 .

In step 102, the image processing module 132 performs frame processing on the image data to obtain composite frame data.

In the embodiment of the present application, the system processor 11 sends the image data to the image processing module 132, and the image processing module 132 performs frame processing on the image data after receiving the image data to obtain composite frame data with a high frame rate. Wherein, the frame rate of the synthesized frame data obtained by the image processing module 132 after processing is greater than or equal to the frame rate of the image data received by the image processing module 132 .

Specifically, the image processing module 132 has a function equivalent to that of an independent display chip, and can perform frame processing on image data, wherein the frame processing may include: frame interpolation, noise reduction, color enhancement, and the like. The image processing module 132 can obtain high frame rate composite frame data by frame processing the image data, for example, frame processing can be performed on 30HZ image data to obtain 90HZ composite frame data.

Of course, the frame rate of the generated synthesized frame data may be set according to actual needs, which is not limited in this embodiment of the present application.

Step 103 , the image processing module 132 distributes the synthesized frame data to the master display driver module 1311 and the slave display driver module 1312 .

In this embodiment of the application, image data is received by the image processing module 132, and then the image data is processed and distributed to the master display driver module 1311 and the slave display driver module 1312, so that the display module 13 and the external system processor 11 can use a single Multiple channels of data transmission, while realizing high frame rate data display, reduces the complexity of the structural design of the display module 13, avoids the risk of data transmission asynchronous in multi-channel data transmission, and ensures the stability of data transmission .

Step 104 , the master display driver module 1311 sends a synchronization timing signal to the slave display driver module 1312 .

Specifically, the master display driver module 1311 can send a synchronous timing signal to the slave display driver module 1312, so that the slave display driver module 1312 brushes data to the display panel 133 synchronously with the master display driver module 1311 according to the step timing signal.

Step 105, the main display driver module 1311 controls the display panel 133 to display according to the received synthesized frame data; and the slave display driver module 1312 controls the display panel 133 to perform synchronous display according to the received synchronous timing signal and synthesized frame data .

Specifically, the main display driver module 1311 receives the synthesized frame data distributed by the image processing module 132, and controls the display panel 133 to display according to the received synthesized frame data. At the same time, the slave display driver module 1312 not only receives the synthesized frame data distributed by the image processing module 132, but also receives the synchronous timing signal sent by the master display driver module 1311, and the slave display driver module 1312 , to control the display panel 133 to perform synchronous display. In this way, the master display driver module 1311 and the slave display driver module 1312 synchronously control the display panel 133 to display.

Optionally, in this embodiment of the present application, in step 103, the distributing the synthesized frame data to the master display driver module 1311 and the slave display driver module 1312 includes:

Step 1031, dividing the synthesized frame data into first sub-data and second sub-data;

Step 1032 , sending the first sub-data to the master display driver module 1311 , and sending the second sub-data to the slave display driver module 1312 .

In the embodiment of the present application, after receiving the image data, the image processing module 132 first performs frame processing on the image data to obtain high frame rate composite frame data, and then divides the composite frame data into first sub-data and second sub-data. data, and send the first sub-data to the master display driver module 1311 , and send the second sub-data to the slave display driver module 1312 . Therefore, after the composite frame data is split by the image processing module 132, the data is uniformly distributed to the master display driver module 1311 and the slave display driver module 1312, thereby improving the synchronization of data transmission.

In some embodiments, the image processing module 132 is integrated with the main display driver module 1311 , and the image processing module 132 is connected to the slave display driver module 1312 through an output interface. After the image processing module 132 divides the synthesized frame data into the first sub-data and the second sub-data, the first sub-data is transmitted to the main display driver module 1311 through the internal integrated circuit, and the second sub-data is sent to the slave display driver through the output interface. Module 1312 sends.

Wherein, the image processing module 132 may send the second sub-data to the slave display driving module 1312 respectively based on MIPI transmission.

In some embodiments, the image processing module 132 is set independently from the master display driver module 1311 and the slave display driver module 1312 , and the image processing module 132 is respectively connected to the master display driver module 1311 and the slave display driver module 1312 through output ports. After the image processing module 132 divides the synthesized frame data into the first sub-data and the second sub-data, the first sub-data is sent to the main display driver module 1311 through the output interface, and the second sub-data is sent to the slave display through the output interface. The driving module 1312 sends.

Wherein, the image processing module 132 may send the first sub-data and the second sub-data to the master display driver module 1311 and the slave display driver module 1312 respectively based on MIPI transmission.

It should be noted that the image processing module 132 can determine the number of sub-data to be split according to the number of connected master display driver modules 1311 and slave display driver modules 1312, and those skilled in the art can set according to actual needs. The application embodiment does not limit this.

The embodiment of the present application also provides an electronic device. FIG. 7 is a schematic diagram of a hardware structure of an electronic device 100 implementing the embodiment of the present application. The electronic device includes the display module 13 described in any one of the above embodiments.

The electronic device 100 includes but not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display module 132, a user input unit 107, an interface unit 108, a memory 109, and a processor 11 and other parts.

Those skilled in the art can understand that the electronic device 100 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 11 through the power management system, so that the management of charging, discharging, and function can be realized through the power management system. Consumption management and other functions. The structure of the electronic device shown in FIG. 7 does not constitute a limitation to the electronic device. The electronic device may include more or fewer components than shown in the figure, or combine some components, or arrange different components, and details will not be repeated here. .

It should be understood that, in the embodiment of the present application, the input unit 104 may include a graphics processor 1041 and a microphone 1042, and the graphics processor 1041 controls the static pictures obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. or video image data for processing. The display module 13 may include an image processing module 132 , a master display driver module 1311 , a slave display driver module 1312 and a display panel 133 , and the display panel 133 may be configured in the form of a liquid crystal display or an organic light emitting diode. The user input unit 107 includes a touch panel 1071 and other input devices 1072 . The touch panel 1071 is also called a touch screen. The touch panel 1071 may include two parts, a touch detection device and a touch controller. Other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here. Memory 109 may be used to store software programs as well as various data, including but not limited to application programs and operating systems. The processor 11 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modem processor mainly processes wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 11 .

In the embodiment of the present application, the electronic device includes a display module 13, wherein the display module 13 includes an image processing module 132, a master display driver module 1311 and a slave display driver module 1312 and a display panel 133, and the image processing module 132 receives image data , and perform frame processing on the image data to obtain composite frame data with a high frame rate, and distribute the composite frame data to the master display driver module 1311 and the slave display driver module 1312, the master display driver module 1311 is connected to the slave display driver module 1312, The master display driver module 1311 is used to send a synchronous timing signal to the slave display driver module 1312, and control the display panel 133 to display according to the received synthesized frame data; the slave display driver module 1312 is used to synthesize the frame according to the received synchronous timing signal and The data control display panel 133 performs synchronous display. The image data is received by the image processing module 132, and then the image data is processed and distributed to the main display driver module 1311 and the slave display driver module 1312, so that the display module 13 and the external system processor 11 can use single-way data transmission, and achieve high While displaying data at a frame rate, the complexity of the structural design of the display module 13 is reduced, and the risk of data transmission asynchronous in multi-channel data transmission is avoided, ensuring the stability of data transmission.

It should be noted that the display module 13 in the embodiment of the present application can include the structure of the display module 13 in any of the above-mentioned embodiments, and the structure of the display module 13 can refer to the above content, and the embodiment of the present application will not repeat it here. .

In the above embodiments, all or part of them may be implemented by software, hardware, firmware or any combination thereof. When implemented using software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data center Transmission to another website site, computer, server, or data center by wired (eg, coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media. The available medium may be a magnetic medium (for example, a floppy disk, a hard disk, or a magnetic tape), an optical medium (for example, DVD), or a semiconductor medium (for example, a Solid State Disk (SSD)).

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Each embodiment in this specification is described in a related manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments. For the embodiments of the device, electronic equipment, computer-readable storage medium and computer program products containing instructions, since they are basically similar to the method embodiments, the description is relatively simple. For relevant parts, please refer to the part of the description of the method embodiments That's it.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application are included within the protection scope of this application.

Claims (12)

1. A display module, comprising: an image processing module, a main display driver module, a slave display driver module and a display panel; The image processing module is respectively connected to the main display driver module and the slave display driver module; the image processing module is used to receive image data, and perform frame processing on the image data to obtain composite frame data, and send The master display driver module and the slave display driver module distribute the synthesized frame data; The master display driver module is connected to the slave display driver module, the master display driver module is used to send a synchronous timing signal to the slave display driver module, and control the display panel according to the received synthesized frame data performing display; the slave display driver module is used to control the display panel to perform synchronous display according to the received synchronous timing signal and the synthesized frame data. 2. The display module according to claim 1, wherein the image processing module is integrated with the main display driver module; The image processing module includes at least one output interface, and one of the output interfaces is connected to one of the slave display driving modules. 3. The display module according to claim 2, wherein the image processing module is further configured to divide the synthesized frame data into first sub-data and second sub-data; divide the first sub-data into The data is transmitted to the master display driver module, and the second sub-data is sent to the slave display driver module through the output interface. 4. The display module according to claim 3, wherein the image processing module is further configured to transmit the second sub-data to the slave display based on a high-speed differential signal transmission protocol through the output interface. The driver module sends it. 5. The display module according to claim 1, wherein the image processing module is set independently from the main display driver module and the slave display driver module; The image processing module includes at least two output interfaces, one of the at least two output interfaces is connected to the main display driver module, and the other of the at least two output interfaces is the output interface Connect with the slave display driver module. 6. The display module according to claim 5, wherein the image processing module is further configured to divide the synthesized frame data into first sub-data and second sub-data, and divide the first sub-data into Send data to the master display driver module through the output interface, and send the second sub-data to the slave display driver module through the output interface. 7. The display module according to claim 6, wherein the image processing module is further configured to transmit the first sub-data to the main display based on a high-speed differential signal transmission protocol through the output interface. The driving module sends, and sends the second sub-data to the slave display driving module through the output interface based on a high-speed differential signal transmission protocol. 8. A display system, comprising: a system processor and a display module; The display module includes: an image processing module, a main display driver module, a slave display driver module and a display panel; The system processor is connected to the image processing module for sending image data to the image processing module; The image processing module is respectively connected to the main display driver module and the slave display driver module; the image processing module is used to receive the image data, and perform frame processing on the image data to obtain composite frame data, and distribute the synthesized frame data to the master display driver module and the slave display driver module; The master display driver module is connected to the slave display driver module, the master display driver module is used to send a synchronous timing signal to the slave display driver module, and control the display panel according to the received synthesized frame data performing display; the slave display driver module is used to control the display panel to perform synchronous display according to the received synchronous timing signal and the synthesized frame data. 9. A display driver, comprising: an image processing module and a main display driver module; the image processing module is connected to the main display driver module; The image processing module includes: an input interface and at least one output interface; The image processing module is configured to receive image data through the input interface, perform frame processing on the image data to obtain composite frame data, and distribute the composite frame data to the main display driver module and pass the The above output interface is distributed to the external display driver; The main display driver module is used for sending synchronous timing signals to the external display driver, and controlling the display panel to display according to the received synthesized frame data. 10. A display method, characterized in that the method comprises: The image data is received by the image processing module; performing frame processing on the image data by the image processing module to obtain composite frame data; distributing the synthesized frame data to the main display driver module and the slave display driver module by the image processing module; sending a synchronous timing signal from the master display driver module to the slave display driver module; The main display driver module controls the display panel to display according to the received composite frame data; and the slave display driver module controls the display panel according to the received synchronous timing signal and the composite frame data to display synchronously. 11. The display method according to claim 10, wherein the distributing the synthesized frame data to the main display driver module and the slave display driver module comprises: dividing the synthesized frame data into first sub-data and second sub-data; sending the first sub-data to the master display driver module, and sending the second sub-data to the slave display driver module. 12. An electronic device, comprising the display module according to any one of claims 1-7.

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