CN105895004A - Display screen driving method and device - Google Patents

Abstract

The invention discloses a display screen driving method and a display screen driving device. The method includes the following steps that: when a display screen device is started, a first screen parameter file ID stored by a time sequence circuit board T-CON is obtained; a first screen parameter file and a first image quality file which are stored by the time sequence circuit board T-CON are obtained according to the first screen parameter file ID; and the display screen of the display screen device is driven to operate according to the first screen parameter file and the first image quality file. With the display screen driving method and device of the invention adopted, the same main board can be compatible with different display screens, so that the same main board can drive different display screens to operate.

Description

Display driving method and device

technical field

The present invention relates to the technical field of display screens, in particular to a method and device for driving a display screen.

Background technique

With the development of display screen technology, display devices such as LCD TVs have gradually entered the homes of ordinary people. In order to meet the needs of users, there are more and more types of display screens, and there will be certain differences in the model technical parameters and image quality data corresponding to different types of display screens, so it is necessary to design different driver motherboards corresponding to different specifications of display screens, so that The configuration difficulty and configuration cost of the display screen and the driver motherboard are increased.

In the prior art, image quality files and screen parameter files are often packaged and stored together with the main program of the display device in the memory chip of the motherboard. Since the main program is packaged together with the image quality files and screen parameter files, different display The screen needs to be configured with different main programs; in order to solve the above technical problems, the main program, the image quality file and the screen parameter file are stored separately in the storage device of the main board of the display device. After the motherboard is burned, if the same motherboard is used to drive different types of displays, the image quality files and screen parameter files saved in the motherboard will not be compatible with various types of displays, that is, the compatibility between the motherboard and the display is low. .

Contents of the invention

The main purpose of the present invention is to provide a method and device for driving a display screen, aiming at solving the problem that the display screen cannot be driven by the main board when the same driving board is not compatible with different display screens.

In order to achieve the above object, a display driving method provided by the present invention includes:

When the display device is started, obtain the first screen parameter file ID stored in the sequential circuit board T-CON;

Obtain the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID;

The display screen of the display screen device is driven to run according to the first screen parameter file and the first image quality file.

Preferably, the step of driving the display screen of the display device to run according to the first screen parameter file and the first image quality file specifically includes:

Loading the first screen parameter file and the first image quality file to the motherboard, and driving the display screen to run according to the first screen parameter file and the first image quality file in the motherboard.

Preferably, before the step of obtaining the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID, the step further includes:

Judging whether the ID of the second screen parameter file currently stored on the motherboard of the display screen device is consistent with the ID of the first screen parameter file;

If not, execute the step of obtaining the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID;

After the step of judging whether the second screen parameter file ID currently stored on the motherboard of the display screen device is consistent with the first screen parameter file ID, the display screen driving method further includes the steps of:

If so, then obtain the second screen parameter file and the second image quality file stored on the motherboard according to the second screen parameter file ID, and drive the display screen according to the second screen parameter file and the second image quality file The display of the device operates.

Preferably, after the step of obtaining the first screen parameter file ID stored in the sequential circuit board T-CON, the step further includes:

Judging whether the first screen parameter file ID is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON;

If yes, execute the step of acquiring the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID.

Preferably, after the step of judging whether the ID of the first screen parameter file is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON, the step further includes:

If not, a prompt window is displayed to prompt the user to select the third image quality file ID consistent with the first screen parameter file ID;

Load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, and load the first screen parameter file according to the first screen parameter file ID to drive the display screen operation.

In addition, in order to achieve the above object, the present invention also provides a display driving device, including:

The first obtaining module is used to obtain the first screen parameter file ID stored in the sequential circuit board T-CON when the display screen device is started;

The second obtaining module is used to obtain the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID;

The first driving module is used to drive the display screen of the display device to run according to the first screen parameter file and the first image quality file.

Preferably, the first drive module is also used for:

Loading the first screen parameter file and the first image quality file to the motherboard, and driving the display screen to run according to the first screen parameter file and the first image quality file in the motherboard.

Preferably, the display screen driver further includes:

The first judging module is used to judge whether the ID of the second screen parameter file currently stored on the motherboard of the display screen device is consistent with the ID of the first screen parameter file;

The second obtaining module is further configured to obtain the first screen parameter file ID according to the first screen parameter file ID if the second screen parameter file ID currently stored on the motherboard of the display screen device is inconsistent with the first screen parameter file ID. Describe the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON;

The second driver module is used to obtain the mainboard storage according to the second screen parameter file ID if the second screen parameter file ID currently stored on the motherboard of the display screen device is consistent with the first screen parameter file ID. The second screen parameter file and the second image quality file, and drive the display screen of the display device to run according to the second screen parameter file and the second image quality file.

Preferably, the display screen driver further includes:

The second judging module is used to judge whether the ID of the first screen parameter file is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON;

The second acquiring module 20 is further configured to acquire the sequential circuit board T-CON according to the first screen parameter file ID if the ID of the first screen parameter file is consistent with the ID of the first image quality file The stored first screen parameter file and the first image quality file.

Preferably, the display screen driver further includes:

A display module, configured to display a prompt window to prompt the user to select a third image quality file consistent with the ID of the first screen parameter file if the ID of the first screen parameter file is inconsistent with the ID of the first image quality file ID;

The loading module is configured to load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, so as to drive the display screen to run.

The present invention obtains the first screen parameter file ID stored in the sequential circuit board T-CON when the display screen device is started, and obtains the first screen parameter file and the second screen parameter file stored in the sequential circuit board T-CON according to the first screen parameter file ID. After the first image quality file is obtained, the display screen of the display device is driven to run according to the first screen parameter file and the first image quality file. Since the first screen parameter file and the first image quality file for driving the display screen to operate normally are stored in the sequential circuit board T-CON, when the display device is started, the first screen parameter file in the sequential circuit board T-CON is called by the control main board. The screen parameter file and the first image quality file are used to drive the normal operation of the display screen, so that the same main board is compatible with different display screens, so that the same main board can drive different display screens to run.

Description of drawings

FIG. 1 is a schematic flow chart of the first embodiment of the display driving method of the present invention;

2 is a schematic flow chart of a second embodiment of the display driving method of the present invention;

FIG. 3 is a schematic flowchart of a third embodiment of the display driving method of the present invention;

4 is a schematic flow chart of a fourth embodiment of the display driving method of the present invention;

5 is a schematic diagram of the functional modules of the first embodiment of the display drive device of the present invention;

6 is a schematic diagram of the functional modules of the second embodiment of the display screen driving device of the present invention;

7 is a schematic diagram of the functional modules of the third embodiment of the display screen driving device of the present invention;

FIG. 8 is a schematic diagram of the functional modules of the fourth embodiment of the display screen driving device of the present invention.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Based on the above problems, the present invention provides a method for driving a display screen.

Referring to FIG. 1 , FIG. 1 is a schematic flowchart of a first embodiment of a display driving method of the present invention.

In this embodiment, the display screen driving method includes:

Step S10, when the display device is started, obtain the ID of the first screen parameter file stored in the sequential circuit board T-CON;

The motherboard of the display device stores screen parameter files, image quality files, screen parameter file IDs, and image quality file IDs. For example, the config/panel file on the motherboard stores screen parameter file IDs, image quality file IDs, screen parameter file Image quality file, the main program stored in the embedded memory (Embedded Multi Media Card, EMMC) of the main board, the main board calls and loads the screen parameter file and the image quality file through the main program to drive the display to run; the display device The timing circuit board (Timing Controller, T-CON) includes a T-CON control chip and a T-CON storage chip. The T-CON storage chip stores the first screen parameter file and the first picture corresponding to the display screen of the display device. quality file, the first screen reference file ID and the first picture quality file ID, for updating the first screen parameter file and the first picture quality file already stored in the T-CON memory chip, it can be directly connected to the T-CON board through the burning tool The main board and the T-CON board are connected through the 51PIN FFC interface. If the display device is a high-definition TV, the transmission standard of the 51PIN FFC interface is V-BY-ONE, including the data signal pin And a set of I2C lines, respectively SCL and SDA, so that when the main board loads the first image quality file, the first screen parameter file from the T-CON memory chip or interacts with the T-CON board, the I2C line for communication. Wherein, the T-CON storage chip includes an EEPROM storage chip and a SPIFLASH storage chip; the display device includes a TV, a PC and a computer.

In this embodiment, after the display screen device is turned on, the Mboot program of the display screen device is started to obtain the screen parameter file ID, image quality file ID, screen parameter file and image quality file stored under the config/panel file in the motherboard , and start KERNEL, so that the T-CON board is powered on, and initialized to enter the normal working state after power-on, the T-CON board sends the signal of the current working state to the main board through the I2C line, for example, the T-CON board The board sends the signal of the current working state "1" to the main board through the I2C line, indicating that the T-CON board enters the normal working state. When the main board receives the normal working state signal sent by the T-CON board, it sends the currently stored screen parameter file ID to the T-CON board, and when the T-CON control chip in the T-CON board receives the After the screen parameter file ID currently stored on the motherboard, obtain the first screen parameter file ID stored in the T-CON memory chip in the T-CON board.

Step S20, according to the ID of the first screen parameter file, obtain the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON;

When the first screen parameter file ID is obtained, since the first screen parameter file ID stored in the T-CON memory chip of the sequential circuit board is consistent with the first image quality file ID, it can be obtained according to the first screen parameter file ID Go to the first screen reference file and the first image quality file. Wherein, the first screen parameter file includes power-on sequence control parameters, cross current control parameters, and 8/10bit parameter settings; the first image quality file includes color saturation parameters, color brightness parameters, and color density parameters.

Step S30, driving the display screen of the display device to run according to the first screen parameter file and the first image quality file.

After obtaining the first screen parameter file and the first image quality file stored in the T-CON memory chip of the sequential circuit board, control the main board to drive the display of the display device according to the first screen parameter file and the first image quality file screen operation.

How to implement the above method will be described in detail below through a specific embodiment.

The main board of TV A saves the screen parameter file A and picture quality file A that drive the display A to display normally. When the power supply supplies the display A with a normal running cross-current current, the main board calls the screen parameter file A. And the image quality file A provides the display screen A with a pulse signal with a cross current control signal of 99%, so that the display screen A displays normally. Obtain the screen parameter file B and image quality file B stored in the T-CON memory chip of the TV B, and provide the display screen B with a cross current control signal of 1% according to the screen parameter file B and image quality file B The pulse signal makes the display screen B display normally.

In this embodiment, when the display screen device is started, the first screen parameter file ID stored in the sequential circuit board T-CON is obtained, and the first screen parameter file stored in the sequential circuit board T-CON is obtained according to the first screen parameter file ID and After the first image quality file, the display screen of the display device is driven to run according to the first screen parameter file and the first image quality file. Since the first screen parameter file and the first image quality file for driving the display screen to operate normally are stored in the sequential circuit board T-CON, when the display device is started, the first screen parameter file in the sequential circuit board T-CON is called by the control main board. The screen parameter file and the first image quality file are used to drive the normal operation of the display screen, so that the same main board is compatible with different display screens, so that the same main board can drive different display screens to run.

Further, based on step S30, the step S30 specifically includes: loading the first screen parameter file and the first image quality file to the mainboard, and driving the display screen to run according to the first screen parameter file and the first image quality file in the mainboard.

When it is determined that the screen parameter file ID stored in the motherboard is inconsistent with the first screen parameter file ID stored in the T-CON memory chip, delete the screen parameter file and image quality file in the motherboard. After deleting the screen parameter file and image quality file stored under the config/panel file in the motherboard, load the first screen parameter file and the first image quality file obtained from the T-CON memory chip into the motherboard, and control The main board drives the display screen to run according to the first screen parameter file and the first image quality file.

In this embodiment, by loading the first screen parameter file and the first image quality file to the mainboard, the display screen is driven to run according to the first screen parameter file and the first image quality file in the mainboard. Since the first screen parameter file and the first image quality file stored in the T-CON memory chip are the corresponding files for driving the display operation, by automatically loading the first screen parameter file and the first image quality file into the mainboard, the mainboard Drive the display to run according to the first screen parameter file and the first image quality file, which not only realizes the operation of different display screens driven by the same main board, but also simplifies the switching of screen parameter files stored in the main board when the same main board drives different display screens. The flow of image quality files improves the switching efficiency.

Further, based on the first embodiment, please refer to FIG. 2 , which is a schematic flowchart of the second embodiment of the display driving method proposed by the present invention. In the second embodiment, before S20, the display driving method include:

Step S40, judging whether the ID of the second screen parameter file currently stored on the motherboard of the display device is consistent with the ID of the first screen parameter file;

If not, execute step S20, that is, obtain the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID;

In this embodiment, after obtaining the first screen parameter file ID stored in the sequential circuit board T-CON, it is judged whether the first screen parameter file ID is consistent with the second screen parameter file ID currently stored on the main board, if the first The ID of the screen parameter file is inconsistent with the ID of the second screen parameter file, indicating that the second screen parameter file and the second image quality file currently stored on the main board are respectively the same as the first screen parameter file and the first picture quality file stored in the T-CON memory chip. Quality file does not correspond, then the T-CON board sends a prompt message such as A0=1 to the main board, then the main board deletes the second screen parameter file and the second picture quality file currently stored under the config/panel file, and the T-CON board - loading the first screen parameter file and the first image quality file stored in the CON memory chip into the motherboard, so that the motherboard drives the display to run according to the first screen parameter file and the first image quality file.

Step S50, if yes, obtain the second screen parameter file and the second image quality file stored on the motherboard according to the second screen parameter file ID, and drive the display screen of the display device to run according to the second screen parameter file and the second image quality file .

If the ID of the first screen parameter file is consistent with the ID of the second screen parameter file, it means that the second screen parameter file and the second image quality file currently stored on the motherboard are respectively the same as the first screen parameter file and the second screen parameter file stored in the T-CON memory chip. Corresponding to an image quality file, the T-CON board sends a prompt message such as A0=0 to the main board, prompting the main board to use the currently stored first screen parameter file and image quality file to drive the display to run.

In this embodiment, by judging whether the second screen parameter file ID currently stored on the motherboard of the display screen device is consistent with the first screen parameter file ID, if not, the first screen parameter file ID is used to obtain the first screen parameter file ID stored in the sequential circuit board T-CON. A screen parameter file and the first image quality file, if yes, obtain the second screen parameter file and the second image quality file stored on the motherboard according to the second screen parameter file ID, and obtain the second screen parameter file and the second image quality file according to the second screen parameter file and the second image quality file Driving the operation of the display screen of the display device makes the same main board compatible with different display screens, so that the same main board can drive different display screens to run.

Further, based on the first embodiment, please refer to FIG. 3 , which is a schematic flowchart of the third embodiment of the display driving method proposed by the present invention. In the third embodiment, after S10, the display driving method include:

Step S60, judging whether the first screen parameter file ID is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON;

If the first screen parameter file stored in the T-CON memory chip does not correspond to the first image quality file, the image quality file needs to be updated, but since the first screen parameter file remains unchanged, the main board will not send calls to match the first image quality file. The request for the image quality file corresponding to the screen parameter file makes the display effect of the display screen poor.

Therefore, in this embodiment, after the T-CON board is powered on, the first screen parameter file ID and the first image quality file ID stored in the T-CON memory chip are obtained, and the first screen parameter file ID and the first picture quality file ID The quality file ID is matched, and it is judged whether the first screen parameter file ID is consistent with the first quality file ID.

If yes, execute step S20, that is, acquire the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID.

If the first screen parameter file ID is consistent with the first image quality file ID, the T-CON board sends a prompt message such as A1=0 to the main board, and then obtains the T-CON board according to the first screen parameter file ID The first screen parameter file and the first image quality file stored in , load the first screen parameter file and the first image quality file into the motherboard, so that the motherboard can Drive the display to run.

In this embodiment, by judging whether the ID of the first screen parameter file is consistent with the ID of the first image quality file corresponding to the first image quality file stored in the sequential circuit board T-CON, if so, the sequential circuit board is obtained according to the ID of the first screen parameter file. The first screen parameter file and the first image quality file stored by T-CON. By judging whether the ID of the first screen parameter file is consistent with the ID of the first image quality file, the abnormality of the data stored on the T-CON board itself is avoided, resulting in poor display effect of the display screen and affecting user experience.

Further, based on the third embodiment, please refer to FIG. 4 , which is a schematic flowchart of the third embodiment of the display driving method proposed by the present invention. In the third embodiment, after S60, the display driving method include:

Step S70, if not, display a prompt window to prompt the user to select the third image quality file ID consistent with the first screen parameter file ID;

In this embodiment, if the ID of the first screen parameter file is inconsistent with the ID of the first image quality file, it indicates that there is a problem with the first image quality file stored in the T-CON memory chip, and the T-CON board reports to the main board Send a prompt message such as A1=1, display a prompt window on the display screen according to the prompt message or display a prompt window on the display interface of the control device bound to the display screen device, to prompt the user to select the parameter file associated with the first screen The third quality file ID with the same ID.

Step S80, load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, and load the first screen parameter file according to the first screen parameter file ID, so as to drive the display screen to run.

The prompt window is equipped with an option to load a third-quality file. You can directly select the option to load a third-quality file in the prompt window, or you can select the option to load a third-quality file through remote control. According to the third-quality file ID Load the third image quality file into the T-CON memory chip. After confirming the loading, the mainboard restarts directly and loads the third image quality file in the T-CON memory chip to drive the display to run again.

It should be noted that after adding the screen configuration item, the configured motherboard system can directly light up the screen without any modification, and when the image quality debugging is confirmed, the image quality file will be burned into the T-CON storage In the chip, the screen matching work of this screen is completed, which greatly shortens the development cycle and convenience.

In this embodiment, by judging whether the first screen parameter file ID is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON, if not, a prompt window is displayed to prompt the user to select the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON. A third image quality file ID with the same ID as the screen reference file, load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, and load the first screen reference file according to the first screen reference file ID , making it easier to update the picture quality file during the debugging process of the motherboard and the display screen.

The present invention further provides a display screen driving device.

Referring to FIG. 5 , FIG. 5 is a schematic diagram of the functional modules of the first embodiment of the display screen driving device of the present invention.

In this embodiment, the display screen driving device includes: a first acquiring module 10 , a second acquiring module 20 , and a first driving module 30 .

The first acquisition module 10 is configured to acquire the first screen parameter file ID stored in the sequential circuit board T-CON when the display screen device is started;

The motherboard of the display device stores screen parameter files, image quality files, screen parameter file IDs, and image quality file IDs. For example, the config/panel file on the motherboard stores screen parameter file IDs, image quality file IDs, screen parameter file Image quality file, the main program stored in the embedded memory (Embedded Multi Media Card, EMMC) of the main board, the main board calls and loads the screen parameter file and the image quality file through the main program to drive the display to run; the display device The timing circuit board (Timing Controller, T-CON) includes a T-CON control chip and a T-CON storage chip. The T-CON storage chip stores the first screen parameter file and the first picture corresponding to the display screen of the display device. quality file, the first screen reference file ID and the first picture quality file ID, for updating the first screen parameter file and the first picture quality file already stored in the T-CON memory chip, it can be directly connected to the T-CON board through the burning tool The main board and the T-CON board are connected through the 51PIN FFC interface. If the display device is a high-definition TV, the transmission standard of the 51PIN FFC interface is V-BY-ONE, including the data signal pin And a set of I2C lines, respectively SCL and SDA, so that when the main board loads the first image quality file, the first screen parameter file from the T-CON memory chip or interacts with the T-CON board, the I2C line for communication. Wherein, the T-CON storage chip includes an EEPROM storage chip and a SPIFLASH storage chip; the display device includes a TV, a PC and a computer.

In this embodiment, after the display screen device is turned on, the Mboot program of the display screen device is started, and the screen parameter file ID, image quality file ID, screen Parameter file and image quality file, and start KERNEL, so that the T-CON board is powered on, and initialized to enter the normal working state after power-on, the T-CON board sends the signal of the current working state to the main board through the I2C line, For example, the T-CON board sends a current working state "1" signal to the main board through the I2C line, indicating that the T-CON board is in a normal working state. When the main board receives the normal working state signal sent by the T-CON board, it sends the currently stored screen parameter file ID to the T-CON board, and when the T-CON control chip in the T-CON board receives the After the screen parameter file ID currently stored on the motherboard, obtain the first screen parameter file ID stored in the T-CON memory chip in the T-CON board.

The second acquiring module 20 is configured to acquire the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID;

When the first acquisition module 10 acquires the first screen parameter file ID, because the first screen parameter file ID stored in the sequential circuit board T-CON memory chip is consistent with the first image quality file ID, the second acquisition module 20 According to the first screen parameter file ID, the first screen parameter file and the first image quality file can be obtained. Wherein, the first screen parameter file includes power-on sequence control parameters, cross current control parameters, and 8/10bit parameter settings; the first image quality file includes color saturation parameters, color brightness parameters, and color density parameters.

The first driving module 30 is used to drive the display screen of the display device to run according to the first screen parameter file and the first image quality file;

After the second acquisition module 20 acquires the first screen parameter file and the first image quality file stored in the T-CON memory chip of the sequential circuit board, the first driver module 30 controls the main board to A picture quality file drives the display screen of the display device to run.

How to implement the above method will be described in detail below through a specific embodiment.

The main board of TV A saves the screen parameter file A and picture quality file A that drive the display A to display normally. When the power supply supplies the display A with a normal running cross-current current, the main board calls the screen parameter file A. And the image quality file A provides the display screen A with a pulse signal with a cross current control signal of 99%, so that the display screen A displays normally. Obtain the screen parameter file B and image quality file B stored in the T-CON memory chip of the TV B, and provide the display screen B with a cross current control signal of 1% according to the screen parameter file B and image quality file B The pulse signal makes the display screen B display normally.

The first driver module 30 is also used to load the first screen parameter file and the first image quality file to the mainboard, and drive the display to run according to the first screen parameter file and the first image quality file in the mainboard.

When it is determined that the screen parameter file ID stored in the motherboard is inconsistent with the first screen parameter file ID stored in the T-CON memory chip, the first driver module 30 deletes the screen parameter file and image quality file in the motherboard. After deleting the screen parameter file and image quality file stored under the config/panel file in the motherboard, the first driver module 30 loads the first screen parameter file and the first image quality file obtained from the T-CON memory chip to In the main board, the control main board drives the display screen to run according to the first screen parameter file and the first image quality file.

In this embodiment, when the display device is started, the first acquiring module 10 acquires the first screen parameter file ID stored in the sequential circuit board T-CON, and the second acquiring module 20 acquires the ID of the sequential circuit board T-CON according to the first screen parameter file ID. The first screen parameter file and the first image quality file stored in CON, the first driver module 30 drives the display screen of the display device to run according to the first screen parameter file and the first image quality file. Since the first screen parameter file and the first image quality file for driving the display screen to operate normally are stored in the sequential circuit board T-CON, when the display device is started, the first screen parameter file in the sequential circuit board T-CON is called by the control main board. The screen parameter file and the first image quality file are used to drive the normal operation of the display screen, so that the same main board is compatible with different display screens, so that the same main board can drive different display screens to run.

Further, based on the first embodiment above, a second embodiment of the display screen driving device of the present invention is proposed. In this embodiment, referring to FIG. 6 , the display screen driving device further includes: a first judging module 40, a second drive module 50 .

The first judging module 40 is used to judge whether the ID of the second screen parameter file currently stored on the motherboard of the display screen device is consistent with the ID of the first screen parameter file;

The second acquiring module 20 is also used to acquire the timing circuit board T-CON according to the ID of the first screen parameter file if the ID of the second screen parameter file currently stored on the motherboard of the display screen device is inconsistent with the ID of the first screen parameter file. The stored first screen parameter file and the first image quality file;

In this embodiment, after the first acquisition module 10 acquires the first screen parameter file ID stored in the timing circuit board T-CON, the first judging module 40 judges that the first screen parameter file ID is the same as the second screen parameter file ID currently stored on the motherboard. Whether the ID of the screen parameter file is consistent, if the ID of the first screen parameter file is inconsistent with the ID of the second screen parameter file, it means that the second screen parameter file and the second image quality file currently stored on the motherboard are the same as those stored in the T-CON memory chip. If the first screen parameter file and the first image quality file do not correspond, the T-CON board will send a prompt message such as A0=1 to the main board, and the main board will delete the second screen parameter file currently stored under the config/panel file And the second image quality file, the second acquisition module 20 loads the first screen parameter file and the first image quality file stored in the T-CON memory chip into the motherboard, so that the motherboard can And the first image quality file drives the display screen to run.

The second drive module 50 is configured to obtain the second screen parameter stored on the mainboard according to the second screen parameter file ID if the second screen parameter file ID currently stored on the mainboard of the display screen device is consistent with the first screen parameter file ID. file and the second image quality file, and drive the display screen of the display device to run according to the second screen parameter file and the second image quality file.

If the ID of the first screen parameter file is consistent with the ID of the second screen parameter file, it means that the second screen parameter file and the second image quality file currently stored on the motherboard are respectively the same as the first screen parameter file and the second screen parameter file stored in the T-CON memory chip. Corresponding to an image quality file, the T-CON board sends a prompt message such as A0=0 to the main board, prompting the second driver module 50 to use the currently stored first screen parameter file and image quality file to drive the display to run.

In this embodiment, by judging whether the second screen parameter file ID currently stored on the motherboard of the display screen device is consistent with the first screen parameter file ID, if not, the first screen parameter file ID is used to obtain the first screen parameter file ID stored in the sequential circuit board T-CON. A screen parameter file and the first image quality file, if yes, obtain the second screen parameter file and the second image quality file stored on the motherboard according to the second screen parameter file ID, and obtain the second screen parameter file and the second image quality file according to the second screen parameter file and the second image quality file Driving the operation of the display screen of the display device makes the same main board compatible with different display screens, so that the same main board can drive different display screens to run.

Further, based on the first embodiment above, a third embodiment of the display screen driving device of the present invention is proposed. In this embodiment, referring to FIG. 7 , the display screen driving device further includes: a second judging module 60 .

The second judging module 60 is used to judge whether the ID of the first screen parameter file is consistent with the ID of the first image quality file corresponding to the first image quality file stored in the sequential circuit board T-CON;

If the first screen parameter file stored in the T-CON memory chip does not correspond to the first image quality file, the image quality file needs to be updated, but since the first screen parameter file remains unchanged, the main board will not send calls to match the first image quality file. The request for the image quality file corresponding to the screen parameter file makes the display effect of the display screen poor.

Therefore, in this embodiment, after the T-CON board is powered on, the first acquiring module 10 acquires the first screen parameter file ID and the first image quality file ID stored in the T-CON memory chip, and the second judging module 60 uses the The first screen parameter file ID and the first image quality file ID are matched to determine whether the first screen parameter file ID is consistent with the first image quality file ID.

The second acquisition module 20 is also used to acquire the first screen parameter file stored in the timing circuit board T-CON according to the first screen parameter file ID and first quality file.

If the first screen parameter file ID is consistent with the first image quality file ID, then the T-CON board sends a prompt message such as A1=0 to the main board, and the second acquisition module 20 obtains according to the first screen parameter file ID. The first screen parameter file and the first image quality file stored in the T-CON board, the first screen parameter file and the first image quality file are loaded into the main board, so that the main board is based on the first screen parameter file and the first image quality file. The first quality file drives the display screen to run.

In this embodiment, by judging whether the ID of the first screen parameter file is consistent with the ID of the first image quality file corresponding to the first image quality file stored in the sequential circuit board T-CON, if so, the sequential circuit board is obtained according to the ID of the first screen parameter file. The first screen parameter file and the first image quality file stored by T-CON. By judging whether the ID of the first screen parameter file is consistent with the ID of the first image quality file, the abnormality of the data stored on the T-CON board itself is avoided, resulting in poor display effect of the display screen and affecting user experience.

Furthermore, based on the third embodiment above, a fourth embodiment of the display screen driving device of the present invention is proposed. In this embodiment, referring to FIG. 8 , the display screen driving device further includes: a display module 70 and a loading module 80 .

The display module 70 is configured to display a prompt window to prompt the user to select a third image quality file ID consistent with the first screen parameter file ID if the first screen parameter file ID is inconsistent with the first image quality file ID;

In this embodiment, if the ID of the first screen parameter file is inconsistent with the ID of the first image quality file, it indicates that there is a problem with the first image quality file stored in the T-CON memory chip, and the T-CON board reports to the main board Send a prompt message such as A1=1, the display module 70 displays a prompt window on the display screen according to the prompt message or displays a prompt window on the display interface of the control device bound to the display screen device, to prompt the user to select the first The third image quality file ID with the same screen parameter file ID.

The loading module 80 is configured to load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, and load the first screen parameter file according to the first screen parameter file ID to drive the display screen to run .

This prompt window is equipped with the option of loading the third image quality file. You can directly select the option to load the third image quality file in this prompt window, or you can select the option to load the third image quality file by remote control. The quality file ID loads the third quality file into the T-CON memory chip, after confirming the loading, the mainboard restarts directly, and the loading module 80 loads the third picture quality file in the T-CON memory chip, so that the mainboard drives the display screen to re-run.

It should be noted that after adding the screen configuration item, the configured motherboard system can directly light up the screen without any modification, and when the image quality debugging is confirmed, the image quality file will be burned into the T-CON storage In the chip, the screen matching work of this screen is completed, which greatly shortens the development cycle and convenience.

In this embodiment, by judging whether the first screen parameter file ID is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON, if not, a prompt window is displayed to prompt the user to select the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON. A third image quality file ID with the same ID as the screen reference file, load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, and load the first screen reference file according to the first screen reference file ID , making it easier to update the picture quality file during the debugging process of the motherboard and the display screen.

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields , are all included in the scope of patent protection of the present invention in the same way.

Claims (10)

1. a display screen driving method, is characterized in that, described display screen driving method comprises the following steps: When the display device is started, obtain the first screen parameter file ID stored in the sequential circuit board T-CON; Obtain the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID; The display screen of the display screen device is driven to run according to the first screen parameter file and the first image quality file. 2. The display screen driving method according to claim 1, wherein the step of driving the display screen of the display screen device to run according to the first screen parameter file and the first image quality file specifically comprises: Loading the first screen parameter file and the first image quality file to the motherboard, and driving the display screen to run according to the first screen parameter file and the first image quality file in the motherboard. 3. The display screen driving method according to claim 1, wherein the first screen parameter file and the first image quality stored in the sequential circuit board T-CON are obtained according to the first screen parameter file ID. The steps before the file also include: Judging whether the ID of the second screen parameter file currently stored on the motherboard of the display screen device is consistent with the ID of the first screen parameter file; If not, execute the step of obtaining the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID; After the step of judging whether the second screen parameter file ID currently stored on the motherboard of the display screen device is consistent with the first screen parameter file ID, the display screen driving method further includes the steps of: If so, then obtain the second screen parameter file and the second image quality file stored on the motherboard according to the second screen parameter file ID, and drive the display screen according to the second screen parameter file and the second image quality file The display of the device operates. 4. The display screen driving method according to claim 1, characterized in that, after the step of obtaining the first screen parameter file ID stored in the sequential circuit board T-CON, it also includes: Judging whether the first screen parameter file ID is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON; If yes, execute the step of acquiring the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID. 5. The display screen driving method according to claim 4, wherein said judging said first screen reference file ID corresponds to the first image quality file stored in said sequential circuit board T-CON After the step of whether the image quality file ID is consistent, it also includes: If not, a prompt window is displayed to prompt the user to select the third image quality file ID consistent with the first screen parameter file ID; Load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, and load the first screen parameter file according to the first screen parameter file ID to drive the display screen operation. 6. A display driver, characterized in that the display driver comprises: The first obtaining module is used to obtain the first screen parameter file ID stored in the sequential circuit board T-CON when the display screen device is started; The second obtaining module is used to obtain the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON according to the first screen parameter file ID; The first driving module is used to drive the display screen of the display device to run according to the first screen parameter file and the first image quality file. 7. The display screen driving device according to claim 6, wherein the first driving module is also used for: Loading the first screen parameter file and the first image quality file to the motherboard, and driving the display screen to run according to the first screen parameter file and the first image quality file in the motherboard. 8. The display screen driving device according to claim 6, wherein the display screen driving device further comprises: The first judging module is used to judge whether the ID of the second screen parameter file currently stored on the motherboard of the display screen device is consistent with the ID of the first screen parameter file; The second obtaining module is further configured to obtain the first screen parameter file ID according to the first screen parameter file ID if the second screen parameter file ID currently stored on the motherboard of the display screen device is inconsistent with the first screen parameter file ID. Describe the first screen parameter file and the first image quality file stored in the sequential circuit board T-CON; The second driver module is used to obtain the mainboard storage according to the second screen parameter file ID if the second screen parameter file ID currently stored on the motherboard of the display screen device is consistent with the first screen parameter file ID. The second screen parameter file and the second image quality file, and drive the display screen of the display device to run according to the second screen parameter file and the second image quality file. 9. The display screen driving device according to claim 6, wherein the display screen driving device further comprises: The second judging module is used to judge whether the ID of the first screen parameter file is consistent with the first image quality file ID corresponding to the first image quality file stored in the sequential circuit board T-CON; The second acquiring module 20 is further configured to acquire the sequential circuit board T-CON according to the first screen parameter file ID if the ID of the first screen parameter file is consistent with the ID of the first image quality file The stored first screen parameter file and the first image quality file. 10. The display screen driving device according to claim 9, wherein the display screen driving device further comprises: A display module, configured to display a prompt window to prompt the user to select a third image quality file consistent with the ID of the first screen parameter file if the ID of the first screen parameter file is inconsistent with the ID of the first image quality file ID; The loading module is configured to load the third image quality file corresponding to the third image quality file ID according to the third image quality file ID, so as to drive the display screen to run.