CN116382605A

CN116382605A - Driving switching system applied to screen switching and display switching device

Info

Publication number: CN116382605A
Application number: CN202211509935.3A
Authority: CN
Inventors: 张仲博; 杨熙; 彭威臣
Original assignee: Huizhou Goldman Sachs Light Display Technology Co ltd
Current assignee: Huizhou Goldman Sachs Light Display Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-07-04

Abstract

The invention relates to the technical field of screen switching, in particular to a drive switching system applied to screen switching, which comprises An number of main boards, a number of Bn screens, an adapter plate and a drive program, wherein the number of An number of Bn drive programs are needed to be prestored for matching the main boards and the screens, the drive program is stored in a register of the adapter plate, a plurality of main board end interfaces and a plurality of screen end interfaces are arranged on the adapter plate and are respectively used for connecting the main boards and the screens, the main board end interfaces and the screen end interfaces are respectively provided with a dial switch, different drive programs are loaded according to the code positions of the adapter plate through the dial switches, so that the screen display effect is realized.

Description

Driving switching system applied to screen switching and display switching device

Technical Field

The invention relates to the technical field of screen switching, in particular to a driving switching system and a display switching device applied to screen switching.

Background

The problem of compatibility between various types and models of screens and mainboards is a difficult problem which is difficult to solve in the current market, and because the wide compatibility between the mainboards and the screens is not high, different mainboards or screens often need to develop new T-con driving boards, the whole period is long, the cost is high, and the cost is very troublesome. If there is a kind of adapter board, can change along with the change of mainboard, screen, output the correct signal, reach wanted display effect, just can solve this difficult problem to a great extent, connect the bridge between mainboard and the screen. According to the background, the invention is designed to solve the problem of software compatibility between different main board screens, and software can be switched according to different main boards and screens to achieve the matching effect. With the product developed based on the technology, the display manufacturer can use the product to be compatible with various mainboards and screens, so that the process is simpler and more efficient, and the requirements of users can be better met.

Therefore, a switching system compatible with different mainboards and screens for realizing display is designed.

Disclosure of Invention

In order to solve the above problems, the present invention provides a driving switching system for screen switching, in which a dial switch can provide a code bit for a control chip according to a connected motherboard and a screen to switch corresponding driving to realize display.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a drive switching system for screen transfer, comprising: an main boards, bn screens, an adapter board and a driving program;

the adapter plate is provided with a control chip for receiving signals of the main board and sending the signals to the screen after processing the signals; the driver is stored in a register of the control chip, the adapter plate is further provided with An mainboard end interfaces and Bn screen end interfaces, the mainboard end interfaces and the screen end interfaces are respectively connected with a mainboard and a screen, the mainboard end interfaces and the screen end interfaces are respectively provided with a dial switch, different code positions are dialed through the dial switches, and the control chip calls and loads different drivers from the register according to the code positions of the dial switches.

Optionally, in An embodiment of the present invention, the number of drivers is an×bn drivers, and n is a natural number.

Optionally, in an embodiment of the present invention, the adapter plate further includes a power module, a T-con module, a P-Gamma module, and a level conversion module, where the power module adopts external power supply and provides working voltages for other modules.

Optionally, in an embodiment of the present invention, the motherboard interface and the screen interface are both different types of interfaces, so as to match different motherboards and screens.

Optionally, in an embodiment of the present invention, each of the mainboards may be communicatively connected to a different screen through an adapter board, and each of the screens may be communicatively connected to a different mainboard through an adapter board.

Optionally, in an embodiment of the present invention, the same driver is adopted by the same motherboard with the same parameter to be connected with the screen in a communication manner.

Optionally, in an embodiment of the present invention, the driving switching system has the same number of dial bands as the number of interfaces at the motherboard end/the screen end.

The display switching device is used for running the driving switching system applied to screen switching.

The invention has the beneficial effects that

The invention relates to a drive switching system applied to screen switching, which is characterized in that an adapter plate is provided with different types of main board end interfaces and screen end interfaces, and is correspondingly connected with different screens by different main boards, a dial switch can provide different code positions for a control chip, the control chip can switch drive according to the code positions to match different main boards with the screens, or adopts a drive program to be modularized, and program parts with the same parameters of different main boards share the same part of drive program, so that the storage of the drive program is saved, the display effect is finally achieved, the problem of compatibility is solved, the hardware resource and the use cost are saved, and a plurality of adapter plates are not needed to be equipped to cope with different main boards and screens.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic diagram of a driving switching system for screen switching according to embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a motherboard, a screen and a driver according to embodiment 1 of the present invention;

FIG. 3 is a diagram illustrating the correspondence between the code bits of the dial switch and the driver in embodiment 1 of the present invention;

FIG. 4 is a schematic diagram of a driver module according to another embodiment of the present invention.

Detailed Description

In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Example 1

The main board and the screen of the existing screen on the market are generally in a one-to-one correspondence configuration, and are unchanged when various types of screens are needed to be connected, so that a driving switching system applied to screen switching is designed, and an adapter board automatically loads a proper driving program according to the connected main board and screen, and the specific scheme is as follows:

as shown in fig. 1, a driving switching system applied to screen transfer includes: an main boards, bn screens, an adapter board and a driving program;

the adapter plate is provided with a control chip for receiving signals of the main board and sending the signals to the screen after processing the signals; the driver program is stored in a register of the control chip, the adapter plate is further provided with An host board end interfaces and Bn screen end interfaces, the host board end interfaces and the screen end interfaces are respectively connected with the host board and the screen, the host board end interfaces and the screen end interfaces are respectively provided with a dial switch, different code bits are dialed through the dial switch, and the control chip calls and loads different driver programs from the register according to the code bits of the dial switch.

As shown in fig. 3, regarding the storage of the driver, when the driver needs to be loaded, different drivers have independent register addresses, and the driver needs to be called and loaded according to the register addresses, referring to fig. 3, the main board a adopts the program a-code, the main board B adopts the program B-code, and so on, the main boards An have the program An-code, and the main boards with the same parameters can adopt the same program code without storing the program again.

In this embodiment, the screen is a TFT screen, the number of drivers is an×bn drivers, and n is a natural number.

As shown in fig. 2, specifically, the types of the main boards are A1, A2 and A3 … … An, the types of the screens are B1, B2 and B3 … … Bn, the main board A1 can realize switching display with the screen B1 and also can realize switching display with the screen B2, the screen B1 can realize switching display with the main board A1, the main board A2 or the main board A3, a plurality of different driving methods are needed according to switching between different main boards and the screens, and the matching between the main boards and the screens adopts a many-to-many rule to design, so that each main board can be compatible with switching between different screens, and each screen can also be compatible with switching between different main boards.

The dial switch is a multi-bit switch, in this embodiment, the code bits of the dial switch are divided into front and rear parts, the front part of the code bits is used as a representative main board, the rear part of the code bits is used as a representative screen, for example, the dial switch has eight code bits, the first four code bits represent the main board, the second four code bits represent the screen, the difference of the code bits of the front and rear parts represents the switching between different main boards and different screens, and the represented code bits are also equivalent to a signal so that the control chip switches different driving to match the current switching.

The adapter plate also comprises a power supply module, a T-con module, a P-Gamma module and a level conversion module, wherein the power supply module adopts external power supply and provides working voltage for other modules.

Specifically, in this embodiment, the power module uses a 12V power supply to supply power, outputs 3.3V, 1.8V and 1.1V voltages to supply the T-con module, the P-Gamma module and the level conversion module, and generates VGH and VGL voltages required by the screen at the same time, after the voltage output by the power module enters the control chip, the data of the main board is sent to the screen data driving chip after being processed by the control chip, and the GOA signal generated by the T-con module is converted into a control signal meeting the screen requirement by the level conversion module and is sent to the screen through the screen interface, so as to realize final display.

Referring to fig. 4, in an embodiment, because a plurality of different drivers need to be pre-stored when the motherboard and the screen are switched, and some part of the same programs may exist in the drivers, in this embodiment, the programs related to each module in the drivers are divided into different splits, in this embodiment, the complete driver is composed of the programs of the power module, the T-con module, the P-Gamma module and the level conversion module, and the control chip calls the different programs of each module to switch and match with the code bit provided by the dial switch, for example: the two different types of mainboards A, B, the two mainboards have the same parameters about the power module, and adopt a common mode to load the power module program according to the dialing code, so that the scheme of the embodiment can reduce the storage pressure of the register and the number of the driving programs, which is equivalent to the modularized design, and call the programs of all the modules to form a complete driving program so as to realize the switching.

The main board end interface and the screen end interface are all different types of interfaces to match different main boards and screens, and the different types of interfaces are specifically interfaces with different pin numbers or pin definitions or pin arrangement intervals in the interfaces.

Each main board can be in communication connection with different screens through the adapter plate, each screen can be in communication connection with different main boards through the adapter plate, and system compatibility is high.

The same parameter of the main board adopts the same driving program to be in communication connection with the screen, such as: the two mainboards with the same current and voltage can adopt the same power supply program.

The drive switching system has the same number of dial bands as the number of the interfaces of the main board end/the screen end.

The adapter plate is provided with different types of mainboard end interfaces and screen end interfaces, and corresponds to the connection of different mainboards and different screens, and on software, a dial switch can provide different code positions for a control chip, the control chip loads different driving programs according to the code positions to match different mainboards and screens, the driving programs can adopt complete programs for storage or adopt a modularized storage mode, the first mode is that the control chip calls a whole complete set of driving programs according to the code positions, the second mode is that the control chip calls modularized programs with the same program parameters according to the parameters required by the mainboards and the screens, so that the driving programs of all parts form the complete driving programs, finally, the display effect is achieved, and the two driving modes can be used for completing the compatibility of the mainboards and the screens.

An embodiment discloses a display switching device, which is used for operating the driving switching system applied to screen switching.

Although the present invention has been described in terms of the preferred embodiments, it should be understood that the present invention is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present invention.

Claims

1. A drive switching system for screen transfer, comprising: an main boards, bn screens, an adapter board and a driving program;

2. The drive switching system for screen transfer according to claim 1, wherein: the number of the drivers is an×bn drivers, and n is a natural number.

3. The drive switching system for screen transfer according to claim 1, wherein: the adapter plate also comprises a power supply module, a T-con module, a P-Gamma module and a level conversion module, wherein the power supply module adopts external power supply and provides working voltage for other modules.

4. The drive switching system for screen transfer according to claim 1, wherein: the main board end interface and the screen end interface are all different types of interfaces so as to match different main boards and screens.

5. The drive switching system for screen transfer according to claim 1, wherein: each mainboard can be in communication connection with different screens through the adapter plate, and each screen can be in communication connection with different mainboards through the adapter plate.

6. The drive switching system for screen transfer according to claim 5, wherein: and the mainboards with the same parameters are in communication connection with the screen by adopting the same driving program.

7. The drive switching system for screen transfer according to claim 1, wherein: the driving switching system has the same number of dialing wave bands as the number of the interfaces of the main board end/the screen end.

8. A display switching device for operating a drive switching system for implementing the application of any one of claims 1-7 to screen switching.