CN115756356A - Adapter plate and adapter device compatible with connection of various main boards and screens - Google Patents
Adapter plate and adapter device compatible with connection of various main boards and screens Download PDFInfo
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- CN115756356A CN115756356A CN202211335805.2A CN202211335805A CN115756356A CN 115756356 A CN115756356 A CN 115756356A CN 202211335805 A CN202211335805 A CN 202211335805A CN 115756356 A CN115756356 A CN 115756356A
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Abstract
The invention relates to the technical field of adapter plates, in particular to an adapter plate which is compatible with connection of various main boards and a screen, wherein the adapter plate is powered by a 12V power supply, the 12V power supply enters an integrated power supply management circuit, a power supply management chip provides 3.3V, 1.8V and 1.1V voltages for the adapter plate, and simultaneously generates a starting voltage and a closing voltage, an AVDD voltage drives a programmable gamma buffer module, outputs a gamma voltage to control the gray scale value of the screen, and provides voltage for data output; after data enters the adapter plate, the data is output to the source driver after being modulated by the main chip, a clock signal and a frame opening signal generated by the adapter plate are converted into control signals such as a multi-path clock, frame opening and resetting through the level conversion unit, and the control signals are output to a screen through an output terminal to realize display.
Description
Technical Field
The invention relates to the technical field of adapter plates, in particular to an adapter plate and an adapter device which are compatible with connection of various main boards and a screen.
Background
For a display manufacturer, due to the problems of material preparation and compatibility, screens of different brands may be adopted by televisions or displays of the same model, and as some main boards integrating Tcon modules on the market are in one-to-one correspondence with the screens, different main boards are used among different screens to match corresponding signal transmission protocols, and if the display screen is damaged, the manufacturer cannot replace the screens of the same brand, and only the main board and the screens can be replaced at the same time.
The TCON adapter board is invented aiming at the situation, for input, the TCON adapter board can be compatible with various types of main boards, for output, screens of various brands can be compatible, namely, the TCON adapter board serves as a role of input and output signal conversion, and is an important ring.
Disclosure of Invention
In order to solve the above problems, the present invention provides a patch panel compatible with connection between various main boards and a screen, so as to implement functions of one-to-many, many-to-one, many-to-many, and the like, and reduce use cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a switch board compatible with connection of various main boards and a screen comprises a TCON board, a plurality of input terminals and a plurality of output terminals, wherein a main control chip, an integrated power management module, a programmable gamma buffer and a level conversion module which are electrically connected are integrated on the TCON board;
the main control chip receives the signal sent by the input terminal, modulates the signal and sends the modulated signal to the output terminal;
the input terminal is electrically connected with the external mainboard, is a signal input end of the adapter plate and receives a signal from the external mainboard;
the output terminal is electrically connected with the external screen, and the output terminal is used as a signal output end of the adapter plate and outputs signals to the external screen.
Optionally, in an embodiment of the present invention, several of the input terminals are combinations of different terminals.
Optionally, in an embodiment of the present invention, several of the output terminals are combinations of different terminals.
Optionally, in an embodiment of the present invention, each of the input terminal and the output terminal of the TCON board is provided with a dial switch, and the dial switches are electrically connected to the input terminal/the output terminal to switch different input terminals/output terminals.
Optionally, in an embodiment of the present invention, the integrated power management module is electrically connected to an external power supply, and provides a working voltage for the interposer after voltage reduction processing is performed on the voltage, and generates a turn-on voltage and a turn-off voltage at the same time.
Optionally, in an embodiment of the present invention, a power output end of the integrated power management module is electrically connected to a power input end of the programmable gamma buffer, and the integrated power management module outputs a gamma voltage to control a gray scale value of the screen.
Optionally, in an embodiment of the present invention, the signal input end and the signal output end of the main control chip are electrically connected to the input terminal and the output terminal, respectively.
Optionally, in an embodiment of the present invention, the level conversion module receives a clock signal and a frame start signal sent by the main control chip, converts the clock signal and the frame start signal into multiple paths of clock signals and frame start signals, and outputs the signals to the screen through the output terminal.
Optionally, in an embodiment of the present invention, the interposer is powered by a 12V external power supply, and outputs 3.3V, 1.8V, and 1.1V through the integrated power management module to the internal circuit.
The adapter plate is compatible with various main boards and screens.
The invention has the beneficial effects that
The adapter board compatible with connection of various mainboards and screens is characterized in that the input and output terminals are matched with various mainboards and screens, and the input/output terminals are designed according to definitions of different PIN PINs. Through setting up different input terminal, can compatible multiple mainboard to a dial switch has been designed, select to use different input ports to different mainboards, likewise, through setting up different output terminal, can compatible many medium-sized screens, realize functions such as one-to-many, many-to-one, many-to-many, can practice thrift the cost.
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 embodiments or the prior art descriptions will be briefly described below.
Fig. 1 is a schematic diagram of an adapter board compatible with connection between various motherboards and a screen in embodiment 1 of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1
The main board and the screen of the screen on the current market are usually in a one-to-one corresponding configuration relationship, and the screen is used unchanged when various types of screens are required to be connected, so that a patch panel compatible with the connection of various main boards and screens is designed, and the specific scheme is as follows:
as shown in fig. 1, an adapter board compatible with connection between various main boards and a screen includes a TCON board, a plurality of input terminals, and a plurality of output terminals, wherein a main control chip, an integrated power management module, a programmable gamma buffer, and a level conversion module are integrated on the TCON board;
as shown in fig. 1, in this embodiment, at least two input terminals and two output terminals are respectively provided, by providing more than two input terminals and two output terminals, the adapter board can be connected with at least two screens and main boards corresponding to the screens, and the input terminals/the output terminals can be switched by using the dial switch, so as to achieve the effect of being compatible with multiple main boards and screens, different main boards can be switched with the same screen, and the same main board can be switched with different screens.
In this embodiment, the adapter board is connected to an external 12V power supply through a connector, the 12V voltage is supplied to the internal circuit through the integrated power management module to output 3.3V, 1.8V, and 1.1V, the output 3.3V, 1.8V, and 1.1V are all supplied to the source driver, and 3.3V is the operating voltage of the TCON board and the I2C bus.
The main control chip receives a signal sent by an external main board through an input terminal, modulates the signal and sends the modulated signal to a screen through an output terminal;
the input terminal is electrically connected with the external mainboard, is a signal input end of the adapter plate and receives a signal from the external mainboard;
the output terminal is electrically connected with the external screen, and the output terminal is used as a signal output end of the adapter plate and outputs signals to the external screen.
The output terminal is matched with an input interface of an external screen to complete communication connection between the output terminal and the screen, so that the adapter plate can be compatibly connected with different screens without configuring a connecting plate for various screens.
The input terminals are combinations of terminals of different types, the output terminals are combinations of terminals of different types, and the input terminals and the output terminals are image signal interfaces for transmitting image signals of the main board to a screen.
Specifically, the number of PIN legs in the input terminal/output terminal, the arrangement of the PIN legs, and the distance between the PIN legs are different for different terminals, and the functions of the PIN legs may be different in the terminals under the same structure.
In an embodiment, the input terminal and the output terminal are designed in a plug-in manner, the same adapter board can be provided with the input terminal and the output terminal of a plurality of different types of interfaces, and the existing interface of the main board or the screen can be replaced by the matched interface under the condition that the interface of the main board or the screen cannot be matched with the existing interface.
The TCON board is respectively provided with a dial switch at the input terminal and the output terminal, and the dial switches are electrically connected with the input terminal/the output terminal so as to switch different input terminals/output terminals.
Through dial switch, select to use different input terminal to different mainboards, likewise, to different screens, select to use different output terminal through dial switch's code position, dial switch is many code bit dial switch, and in this embodiment, the code position is two parts around being divided into, and the mainboard is represented to the part before the code position, and the screen is represented to the rear portion of code position.
The integrated power management module is electrically connected with an external power supply, and provides working voltage for the adapter plate after voltage reduction treatment, and simultaneously generates opening voltage and closing voltage.
The power output end of the integrated power management module is electrically connected with the power input end of the programmable gamma buffer, and the integrated power management module outputs gamma voltage to control the gray scale value of the screen.
The signal input end and the signal output end of the main control chip are electrically connected with the input terminal and the output terminal respectively.
The level conversion module receives a clock signal and a frame starting signal sent by the main control chip, converts the clock signal and the frame starting signal into a plurality of paths of clock signals and frame starting signals and outputs the signals to a screen through an output terminal.
Specifically, an external Power supply VCC (12V) enters the PMIC, a Power management chip Power IC generates voltages of 3.3V, 1.8V, 1.1V and the like which are provided for a Tcon board, and simultaneously generates a starting voltage VGH and a closing voltage VGL, the AVDD voltage drives a P-Gamma module of a programmable Gamma buffer to supply Power to the P-Gamma module, and the Gamma Gamma voltage required by people is output to control the gray scale value of the display and is used as the Power supply of a display screen driver to provide voltage for data output.
After voltages of 1.8V, 3.3V, 1.1V and the like enter a main control chip of a Tcon board, data from a main board simultaneously enter the main control chip, are modulated by the main control chip and then output to 3.3V and 1.8V of a source driver, and the data of the main board are output to an output module, and a clock CLK and a frame opening STV signal generated by the Tcon board are converted into multiple paths of CLK, STV, RESET and other various Gate control signals through level conversion; finally, the signals are sent to the screen end through the output terminal, and display is achieved.
The interfaces of the screens are different from one screen type to another or from one manufacturer to another. Therefore, the input terminal and the output terminal on the adapter board are both arranged for different screens, which may be similar in appearance, but have different internal structures or functions, and still need to be switched through the input terminal and the output terminal of the adapter board.
The invention has the beneficial effects that:
the adapter board is provided with a plurality of input terminals and a plurality of output terminals, various main boards and screens are matched, and the input/output terminals are designed according to different definitions of PIN PINs. Different input terminal, but compatible multiple mainboard to designed a dial switch, selected different input ports of use to the mainboard of difference, likewise, through setting up different output terminal, can compatible many medium-sized screens, main control chip makes mainboard and screen realize the switching according to dial switch's code position, realizes functions such as one-to-many, many-to-one, many-to-many, can practice thrift the cost.
In an embodiment, an adapter device includes an adapter board, where the adapter board is compatible with connection between multiple motherboards and a screen.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A patch board compatible with connection of various main boards and a screen is characterized by comprising a TCON board, a plurality of input terminals and a plurality of output terminals, wherein a main control chip, an integrated power management module, a programmable gamma buffer and a level conversion module which are electrically connected are integrated on the TCON board;
the main control chip receives the signal sent by the input terminal, modulates the signal and sends the modulated signal to the output terminal;
the input terminal is electrically connected with the external mainboard, is a signal input end of the adapter plate and receives signals from the external mainboard;
the output terminal is electrically connected with the external screen, and the output terminal is used as a signal output end of the adapter plate and outputs signals to the external screen.
2. The interposer of claim 1 compatible with multiple motherboard and screen connections, wherein: a plurality of the input terminals are combinations of different terminals.
3. The interposer of claim 1 compatible with multiple motherboard and screen connections, wherein: and a plurality of output terminals are combinations of different terminals.
4. The interposer of claim 1 compatible with multiple motherboard and screen connections, wherein: and the TCON board is respectively provided with a dial switch at the input terminal and the output terminal, and the dial switches are electrically connected with the input terminal/the output terminal so as to switch different input terminals/output terminals.
5. The interposer of claim 1 compatible with multiple motherboard and screen connections, wherein: the integrated power management module is electrically connected with an external power supply, and provides working voltage for the TCON board after voltage reduction treatment, and simultaneously generates starting voltage and closing voltage.
6. The interposer compatible with connection of multiple motherboards to a screen as claimed in claim 1, wherein: the power output end of the integrated power management module is electrically connected with the power input end of the programmable gamma buffer, and the integrated power management module outputs gamma voltage to control the gray scale value of the screen.
7. The interposer of claim 1 compatible with multiple motherboard and screen connections, wherein: and the signal input end and the signal output end of the main control chip are respectively electrically connected with the input terminal and the output terminal.
8. The interposer compatible with connection of multiple motherboards to a screen as claimed in claim 1, wherein: the level conversion module receives a clock signal and a frame starting signal sent by the main control chip, converts the clock signal and the frame starting signal into a plurality of paths of clock signals and frame starting signals and outputs the signals to a screen through an output terminal.
9. The interposer of claim 1 compatible with multiple motherboard and screen connections, wherein: the adapter plate is powered by a 12V external power supply, and outputs 3.3V, 1.8V and 1.1V power to an internal circuit through the integrated power management module.
10. An adapter device comprising an adapter board, wherein the adapter board is the adapter board compatible with connection between a plurality of main boards and a screen according to any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211335805.2A CN115756356A (en) | 2022-10-28 | 2022-10-28 | Adapter plate and adapter device compatible with connection of various main boards and screens |
Applications Claiming Priority (1)
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CN202211335805.2A CN115756356A (en) | 2022-10-28 | 2022-10-28 | Adapter plate and adapter device compatible with connection of various main boards and screens |
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CN115756356A true CN115756356A (en) | 2023-03-07 |
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CN202211335805.2A Pending CN115756356A (en) | 2022-10-28 | 2022-10-28 | Adapter plate and adapter device compatible with connection of various main boards and screens |
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