A redrive circuit, a redrive circuit board, a display driving system and a television

Abstract

The application discloses a redrive circuit, a redrive circuit board, a display driving system and a television, wherein the redrive circuit comprises an input interface, a redrive module and an output interface; the input interface is used for being connected with a mainboard and receiving at least part of P2P signals output by the mainboard; the redrive module is connected with the input interface, and the redrive module is used for amplifying, equalizing and pre-emphasizing each P2P signal received by the input interface; the output interface is connected with the redrive module, and the output interface is used for being connected with a display screen and outputting each P2P signal output by the redrive module to the display screen; the application can avoid the problem that the display screen cannot be used due to too large attenuation of the P2P signal in the transmission process, and further expands the application scene of the mainboard.

Description

Technical Field

[0001] This application relates to the field of display driving technology, specifically to a re-driving circuit, a display driving system, and a television. Background Technology

[0002] Higher resolution and refresh rates have become the development trend of displays. High-resolution, high-refresh-rate displays place higher demands on data transmission rates, and traditional display serial interfaces, such as Mini LVDS transmission technology, cannot achieve high-speed data transmission. Therefore, the faster P2P (Point-to-Point Interface) protocol has become the mainstream transmission technology for displays.

[0003] Mini LVDS operates at 300Mbps, but P2P frequencies have reached over 3Gbps. Higher frequencies experience greater attenuation over signal and transmission lines. Large-screen TVs such as 85-inch, 98-inch, and 110-inch models are common, but P2P transmission lines for large displays are much longer, resulting in greater attenuation. Figure 1 As shown, the television set includes a Tconless motherboard 100 and a display screen 200. The display screen 200 includes a display panel 210 and an X-axis circuit board (XPCB). The P2P signal needs to go directly from the Tconless motherboard 100 to the source board, i.e., the X-axis circuit board (XPCB) at the display screen end, with a length of more than 1 meter. If a direct connection is used, the eye diagram signal test cannot be passed. Therefore, for large-size television sets, the Tconless motherboard 100 cannot be adapted to the display screen 200 due to the large attenuation of the P2P signal, thus limiting the application scenarios of the Tconless motherboard 100. Summary of the Invention

[0004] This application provides a re-driving circuit, a re-driving circuit board, a display driving system, and a television to alleviate the technical problem of incompatibility when Tconless motherboards are applied to large-screen televisions.

[0005] This application provides a re-drive circuit, including an input interface, a re-drive module, and an output interface; the input interface is used to connect to a motherboard and receive at least a portion of the P2P signals output by the motherboard; the re-drive module is connected to the input interface and is used to amplify, equalize, and pre-emphasize each P2P signal received by the input interface; the output interface is connected to the re-drive module and is used to connect to a display screen and output each P2P signal output by the re-drive module to the display screen.

[0006] In some embodiments of the re-driving circuit, the re-driving circuit further includes a coupling module, a DC bias module, and a DC input module; the number of coupling modules and the number of DC input modules are the same as the number of P2P signals output by the re-driving module, and the number of DC bias modules is equal to the number of DC input modules; each coupling module is connected to the re-driving module and the display screen, each DC input module is connected to a corresponding coupling module, and each DC bias module is connected to a corresponding DC input module.

[0007] The coupling module is used to output the corresponding P2P signal to the display screen; the DC bias module is used to provide the corresponding DC input module with a DC level signal; the DC input module is used to input a DC level signal into the P2P signal output by the corresponding coupling module.

[0008] In some embodiments of the re-driving circuit, the re-driving circuit further includes a coupling module, a DC bias module, and a DC input module; the number of coupling modules and the number of DC input modules are the same as the number of P2P signals output by the re-driving module, and the number of DC bias modules is less than the number of DC input modules; each coupling module is connected to the re-driving module and the display screen, each DC input module is connected to one coupling module, and each DC bias module is connected to two or more DC input modules.

[0009] The coupling module is used to output the corresponding P2P signal to the display screen; the DC bias module is used to provide the corresponding DC input module with a DC level signal; the DC input module is used to input a DC level signal into the P2P signal output by the corresponding coupling module.

[0010] In some embodiments of the re-driving circuit, the DC bias module includes a filtering unit and a voltage divider unit. The filtering unit is connected to the voltage divider unit, and the voltage divider unit is connected to the DC input module. The filtering unit is used to filter the input power signal, and the voltage divider unit is used to divide the power signal and output a DC level signal.

[0011] In some embodiments of the re-driving circuit, the filter unit includes an inductor, a first resistor, and a first capacitor; one end of the inductor is energized, the other end of the inductor is connected to one end of the first resistor, the other end of the first resistor is connected to one end of the first capacitor and the voltage divider unit, and the other end of the first capacitor is grounded.

[0012] In some embodiments of the re-driving circuit, the voltage divider unit includes a second resistor, a third resistor, and a second capacitor. One end of the second resistor is connected to one end of the third resistor, the DC input module, and one end of the second capacitor. The other end of the third resistor is grounded, and the other end of the second capacitor is grounded.

[0013] In some embodiments of the re-driving circuit, the second resistor and the second capacitor constitute a first RC filter unit.

[0014] In some embodiments of the re-driving circuit, the re-driving module includes a re-driving chip, each P2P signal includes a set of differential signals; the re-driving chip includes one or more input ports and one or more output ports; each set of output ports outputs a P2P signal after amplification, equalization and pre-emphasis processing to the corresponding coupling module.

[0015] In some embodiments of the re-driving circuit, the coupling module includes a third capacitor and a fourth capacitor. One end of the third capacitor is connected to one port of a set of output ports, one end of the fourth capacitor is connected to another output port of the set of output ports, and the other end of the third capacitor is connected to the DC input module and the display screen.

[0016] In some embodiments of the re-driving circuit, the DC input module includes a fourth resistor, a fifth resistor, a fifth capacitor, and a sixth capacitor; one end of the fourth resistor and one end of the fifth capacitor are both connected to the DC bias module, one end of the fourth resistor is connected to one end of the third capacitor, the other end of the fifth capacitor is grounded, one end of the fifth resistor and one end of the sixth capacitor are both connected to the DC bias module, the other end of the fifth resistor is connected to one end of the fourth capacitor, and the other end of the sixth capacitor is grounded.

[0017] In some embodiments of the re-driving circuit, the fourth resistor and the fifth capacitor constitute a second RC filter unit.

[0018] In some embodiments of the re-driving circuit, the fifth resistor and the sixth capacitor constitute a third RC filter unit.

[0019] This application embodiment also provides a re-driving circuit board, including a PCB board, on which the re-driving circuit as described above is disposed.

[0020] This application also provides a display driver system, including:

[0021] The motherboard is used to output P2P signals.

[0022] A re-drive circuit board is connected to the motherboard and is equipped with the re-drive circuit described above. The re-drive circuit is used to amplify, equalize, and pre-emphasize at least a portion of the P2P signal output by the motherboard.

[0023] The display screen is connected to the re-drive circuit board; the display screen is used to display based on the P2P signal output by the re-drive circuit board.

[0024] This application also provides a television set including the above-described display driving system.

[0025] The re-drive circuit, re-drive circuit board, display driver system, and television provided in this application, wherein the re-drive circuit amplifies, equalizes, and pre-emphasizes at least a portion of the P2P signal output by the motherboard through a re-drive module to enhance the P2P signal, thereby avoiding the problem of excessive attenuation of the P2P signal during transmission, which would cause incompatibility between the display screen and the motherboard, and thus expanding the application scenarios of the motherboard. Attached Figure Description

[0026] The technical solution and other beneficial effects of this application will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0027] Figure 1 This is a schematic diagram of the current display driver system.

[0028] Figure 2 This is a schematic diagram of the structure of the display driving system provided in an embodiment of this application.

[0029] Figure 3 This is a first structural block diagram of the re-driving circuit in the display driving system provided in the embodiments of this application.

[0030] Figure 4 This is a second structural block diagram of the re-driving circuit in the display driving system provided in the embodiments of this application.

[0031] Figure 5 This is a third structural block diagram of the re-driving circuit in the display driving system provided in the embodiments of this application.

[0032] Figure 6 This is a circuit diagram of the DC bias module and coupling module of the re-driving circuit in the display driving system provided in the embodiments of this application.

[0033] Figure 7 This is a circuit diagram of the re-driving circuit in the display driving system provided in an embodiment of this application. Detailed Implementation

[0034] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Features thus defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] Please see Figure 2 This embodiment provides a display driving system, including a motherboard 10, a re-driving circuit board 20, and a display screen 30. The motherboard is a Tconless motherboard, also known as a Tconless chassis board. The Tconless chassis board includes a main chip SOC, a Tcon driving circuit, and connection interfaces. The main chip SOC integrates Tcon main control functions. The Tconless motherboard in this application can directly send Tcon-related signals to the display screen via an FFC screen cable. If this display driving system is applied to an LCD TV, a separate Tcon board is not required inside the LCD TV, thereby effectively reducing the overall cost of the LCD TV.

[0037] In specific implementation, the motherboard 10 is used to output P2P signals. The re-drive circuit board 20 is connected to the motherboard 10 via the first signal line 11. The re-drive circuit board 20 is equipped with a re-drive circuit. The re-drive circuit is used to amplify, equalize, and pre-emphasize at least a portion of the P2P signals output by the motherboard 10. The display screen 30 is connected to the re-drive circuit board 20 via the second signal line 12. The display screen 30 is used to display based on the P2P signals output by the re-drive circuit board 20. In this embodiment, the P2P signal refers to a P2P format drive signal.

[0038] In this embodiment, a re-drive circuit board 20 is provided between the motherboard 10 and the display screen 30. The re-drive circuit board 20 amplifies, equalizes, and preprocesses the drive signal output by the motherboard 10 to enhance the P2P signal before outputting it to the display screen 30. This avoids excessive attenuation of the P2P signal received by the display screen 30 from the motherboard 10, thus solving the problem of the motherboard 10 being used in large-screen televisions and expanding the application scenarios of the motherboard 10. Not all P2P signals output by the motherboard 10 need to be amplified, equalized, and preprocessed by the re-drive circuit; only P2P signals that may be affected by long-distance transmission or have signal integrity issues are processed. Other P2P signals can be passed directly.

[0039] In this embodiment, the display screen 30 includes a display panel and an X-axis circuit board (XPCB). The output interface is connected to the X-axis circuit board (XPCB) via a second signal line. The X-axis circuit board (XPCB) outputs the received P2P signal to the display panel for subsequent display.

[0040] Please see Figure 3 The re-driving circuit includes an input interface 21, a re-driving module 22, and an output interface 23. The input interface 21 is used to connect to the motherboard 10 via a first signal line 11 and to receive at least a portion of the P2P signals output by the motherboard 10 transmitted via the first signal line 11. The re-driving module 22 is connected to the input interface 21 and is used to amplify, equalize, and pre-emphasize each P2P signal received by the input interface 21. The output interface 23 is connected to the re-driving module 22 and is used to connect to the display screen 30 via a second signal line 12 and to output each P2P signal output by the re-driving module 22 to the display screen 30 via the second signal line 12. In this embodiment, the re-driving module 22 amplifies, equalizes, and pre-emphasizes at least a portion of the P2P signals output by the motherboard 10 to enhance the P2P signals, which can avoid the problem of excessive attenuation of the P2P signals during transmission, leading to incompatibility between the display screen 30 and the motherboard 10.

[0041] Please see Figure 4 In some embodiments, the re-drive circuit further includes a coupling module 24, a DC bias module 25, and a DC input module 26; the number of coupling modules 24 and the number of DC input modules 26 are the same as the number of P2P signals output by the re-drive module 22, and the number of DC bias modules 25 is equal to the number of DC input modules 26; each coupling module 24 is connected to the re-drive module 22 and the display screen 30, each DC input module 26 is connected to one coupling module 24, and each DC bias module 25 is connected to one DC input module 26.

[0042] The coupling module 24 outputs the corresponding P2P signal to the display screen 30; the DC bias module 25 provides a DC level signal to the corresponding DC input module 26; and the DC input module 26 inputs a DC level signal to the P2P signal output by the corresponding coupling module 24. In this embodiment, a coupling module 24, a DC bias module 25, and a DC input module 26 are provided for each P2P signal. After the coupling module 24 outputs the P2P signal after passing through the re-drive module 22, the DC bias module 25 and the DC input module 26 provide a DC level signal to meet the DC level signal requirements of the P2P protocol.

[0043] Please see Figure 5In some embodiments, the re-drive circuit further includes a coupling module 24, a DC bias module 25, and a DC input module 26; the number of coupling modules 24 and the number of DC input modules 26 are the same as the number of P2P signals output by the re-drive module 22, and the number of DC bias modules 25 is less than the number of DC input modules 26; each coupling module 24 is connected to the re-drive module 22 and the display screen 30, each DC input module 26 is connected to one coupling module 24, and each DC bias module 25 is connected to two or more DC input modules 26; the coupling module 24 is used to output the corresponding P2P signal to the display screen 30; the DC bias module 25 is used to provide a DC level signal to the corresponding DC input module 26; and the DC input module 26 is used to input a DC level signal to the P2P signal output by the corresponding coupling module 24.

[0044] In this embodiment, the number of DC bias modules 25 is reduced compared to setting one DC bias module 25 for each P2P signal. One DC bias module 25 can provide DC level for two or more DC input modules 26, which simplifies the structure of the re-drive circuit, simplifies the circuit layout of the re-drive circuit, and correspondingly reduces the area occupied by the re-drive circuit, thereby achieving the purpose of saving costs.

[0045] Please see Figure 6 In some embodiments, the DC bias module 25 includes a filter unit 251 and a voltage divider unit 252. The filter unit 251 is connected to the voltage divider unit 252, and the voltage divider unit 252 is connected to the DC input module 26. The filter unit 251 is used to filter the input power signal, and the voltage divider unit 252 is used to divide the power signal and output a DC level signal. In this embodiment, by setting the filter unit 251, both high-frequency noise and low-frequency noise of the power supply VCC can be suppressed, thereby ensuring the stability and effectiveness of the DC level signal.

[0046] As one embodiment, the filter unit 251 includes an inductor L1, a first resistor R1, and a first capacitor C1; one end of the inductor L1 is connected to the power supply, the other end of the inductor L1 is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to one end of the first capacitor C1 and the voltage divider unit 252, and the other end of the first capacitor C1 is grounded; wherein, the inductor L1, the first resistor R1, and the first capacitor C1 form an LC and RC filter circuit, which can effectively filter out high-frequency noise and low-frequency noise of the power supply VCC.

[0047] In one embodiment, the voltage divider unit 252 includes a second resistor R2, a third resistor R3, and a second capacitor C2. One end of the second resistor R2 is connected to one end of the third resistor R3, the DC input module 26, and one end of the second capacitor C2. The other end of the third resistor R3 is grounded, and the other end of the second capacitor C2 is grounded. The second resistor R2 and the third resistor R3 form a voltage divider resistor group to divide the power supply VCC to obtain a suitable DC level signal. Of course, in other embodiments, other numbers of voltage divider resistors can also be set, which can be set according to the required DC level signal. This application does not limit this.

[0048] In this embodiment, the second resistor R2 and the second capacitor C2 constitute the first RC filter unit. The first RC filter unit composed of the second resistor R2 and the second capacitor C2 can perform another filtering process on the input DC level signal, further ensuring the stability and reliability of the input DC level signal.

[0049] Please refer to the following: Figure 7 In one embodiment, the re-driving module 22 includes a re-driving chip U1, and each P2P signal includes a set of differential signals. The re-driving chip U1 includes one or more input ports and one or more output ports. For example, in this embodiment, four sets of input ports and four sets of output ports are provided, such as P2P1+ signal terminal, P2P1- signal terminal, P2P2+ signal terminal, P2P2- signal terminal, P2P3+ signal terminal, P2P3- signal terminal, P2P4+ signal terminal, and P2P4- signal terminal. Each set of output ports outputs a P2P signal that has been amplified, equalized, and pre-emphasized to the corresponding coupling module 24. In this embodiment, the re-driving chip U1 can be a TDP142. Of course, in other embodiments, a re-driving chip U1 with the same function can also be selected, and this application does not limit this.

[0050] As one embodiment, the corresponding coupling module 24 includes a third capacitor C3 and a fourth capacitor C4. One end of the third capacitor C3 is connected to one port of a set of output ports, and one end of the fourth capacitor C4 is connected to another output port of the set of output ports. The other end of the third capacitor C3 is connected to the DC input module 26 and the display screen 30, and the other end of the fourth capacitor C4 is connected to the DC input module 26 and the display screen 30. In this embodiment, a capacitor is provided for each output terminal of the driver chip, and the P2P signal output by the corresponding output terminal is output to the output interface 23 by the capacitor.

[0051] In one embodiment, the DC input module 26 includes a fourth resistor R4, a fifth resistor, a fifth capacitor C5, and a sixth capacitor C6; one end of the fourth resistor R4 and one end of the fifth capacitor C5 are both connected to the DC bias module 25, one end of the fourth resistor R4 is connected to one end of the third capacitor C3, the other end of the fifth capacitor C5 is grounded, one end of the fifth resistor and one end of the sixth capacitor C6 are both connected to the DC bias module 25, the other end of the fifth resistor is connected to one end of the fourth capacitor C4, and the other end of the sixth capacitor C6 is grounded.

[0052] In this embodiment, the fourth resistor R4 and the fifth resistor are used to input DC level signals. The fourth resistor R4 and the fifth capacitor C5 constitute the second RC filter unit, and the fifth resistor and the sixth capacitor C6 constitute the third RC filter unit. The second and third RC filter units in this embodiment can effectively prevent P2P signal leakage and avoid crosstalk between different P2P signals; simultaneously, they can also prevent power supply VCC ripple signals from entering the P2P signals.

[0053] The re-drive circuit, re-drive circuit board 20, display drive system and television provided in this application, wherein the re-drive circuit amplifies, equalizes and pre-emphasizes at least part of the P2P signal output by the motherboard 10 through the re-drive module 22 to enhance the P2P signal, which can avoid the problem that the display screen 30 cannot be used due to excessive attenuation of the P2P signal during transmission, thereby expanding the application scenarios of the motherboard 10.

[0054] This application embodiment also provides a re-driving circuit, which includes an input interface, a re-driving module, and an output interface. The input interface is used to connect to the motherboard via a first signal line and receive at least a portion of the P2P signals output by the motherboard via the first signal line. The re-driving module is connected to the input interface and is used to amplify, equalize, and pre-emphasize each P2P signal received by the input interface. The output interface is connected to the re-driving module and is used to connect to the display screen via a second signal line and output each P2P signal output by the re-driving module to the display screen via the second signal line. In this embodiment, the re-driving module amplifies, equalizes, and pre-emphasizes at least a portion of the P2P signals output by the motherboard to enhance the P2P signals, which can avoid the problem of excessive attenuation of the P2P signals during transmission, leading to incompatibility between the display screen and the motherboard. Since the re-driving circuit has been described in detail above, it will not be repeated here.

[0055] This application embodiment also provides a re-drive circuit board, which is enclosed in a PCB board. The PCB board is provided with the re-drive circuit as described above. That is, the re-drive circuit structure in this application can be set as an independent circuit board. In actual use, the re-drive circuit board can be directly connected between the display screen and the motherboard. Since the re-drive circuit structure has been described in detail above, it will not be repeated here.

[0056] This application embodiment also provides a television set, which includes the above-described display driving system. By setting a re-driving circuit board between the display screen and the motherboard, the display driving system can effectively amplify, gain, and pre-emphasize the P2P signal to enhance the P2P signal and avoid the problem of excessive attenuation of the P2P signal during transmission, which would cause incompatibility between the display screen and the motherboard. Since the re-driving circuit board has been described in detail above, it will not be described again here.

[0057] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0058] The re-driving circuit provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A re-driving circuit, characterized in that, include: An input interface is provided for connecting to a motherboard and receiving at least a portion of the P2P signals output by the motherboard. A re-driving module is connected to the input interface and is used to amplify, equalize, and pre-emphasize each P2P signal received by the input interface. An output interface is connected to the redrive module and is used to connect to the display screen, and outputs each P2P signal output by the redrive module to the display screen. The re-driving circuit further includes a coupling module, a DC bias module, and a DC input module; the number of coupling modules and the number of DC input modules are the same as the number of P2P signals output by the re-driving module, and the number of DC bias modules is equal to the number of DC input modules; each coupling module is connected to the re-driving module and the display screen, each DC input module is connected to one coupling module, and each DC bias module is connected to one DC input module. Alternatively, the number of coupling modules and the number of DC input modules are both the same as the number of P2P signals output by the re-drive module, and the number of DC bias modules is less than the number of DC input modules; each coupling module is connected to the re-drive module and the display screen, each DC input module is connected to one coupling module, and each DC bias module is connected to two or more DC input modules. The coupling module is used to output the corresponding P2P signal to the display screen; the DC bias module is used to provide a DC level signal to the corresponding DC input module. The DC input module is used to input the DC level signal into the P2P signal output by the corresponding coupling module; The DC bias module includes a filtering unit and a voltage divider unit. The filtering unit is connected to the voltage divider unit, and the voltage divider unit is connected to the DC input module. The filtering unit is used to filter the input power signal, and the voltage divider unit is used to divide the power signal and output the DC level signal.

2. The re-driving circuit according to claim 1, characterized in that, The filtering unit includes an inductor, a first resistor, and a first capacitor; one end of the inductor is connected to electricity, the other end of the inductor is connected to one end of the first resistor, the other end of the first resistor is connected to one end of the first capacitor and the voltage divider unit, and the other end of the first capacitor is grounded.

3. The re-driving circuit according to claim 2, characterized in that, The voltage divider unit includes a second resistor, a third resistor, and a second capacitor. One end of the second resistor is connected to one end of the third resistor, the DC input module, and one end of the second capacitor. The other end of the third resistor is grounded, and the other end of the second capacitor is grounded.

4. The re-driving circuit according to claim 3, characterized in that, The second resistor and the second capacitor constitute the first RC filter unit.

5. The re-driving circuit according to claim 4, characterized in that, The re-driving module includes a re-driving chip, and each P2P signal includes a set of differential signals; the re-driving chip includes one or more input ports and one or more output ports; each set of output ports outputs a P2P signal that has been amplified, equalized and pre-emphasized to the corresponding coupling module.

6. The re-driving circuit according to claim 5, characterized in that, The coupling module includes a third capacitor and a fourth capacitor. One end of the third capacitor is connected to one port of the set of output ports, and one end of the fourth capacitor is connected to another output port of the set of output ports. The other end of the third capacitor is connected to the DC input module and the display screen, and the other end of the fourth capacitor is connected to the DC input module and the display screen.

7. The re-driving circuit according to claim 6, characterized in that, The DC input module includes a fourth resistor, a fifth resistor, a fifth capacitor, and a sixth capacitor; one end of the fourth resistor and one end of the fifth capacitor are both connected to the DC bias module, one end of the fourth resistor is connected to one end of the third capacitor, and the other end of the fifth capacitor is grounded.

8. The re-driving circuit according to claim 7, characterized in that, The fourth resistor and the fifth capacitor constitute the second RC filter unit.

9. The re-driving circuit according to claim 7, characterized in that, The fifth resistor and the sixth capacitor constitute the third RC filter unit.

10. A re-driving circuit board, characterized in that, It includes a PCB board, on which a re-driving circuit as described in any one of claims 1-5 is provided.

11. A display driving system, characterized in that, include: A motherboard, which is used to output P2P signals; A re-drive circuit board is connected to the motherboard, and the re-drive circuit board is provided with a re-drive circuit as described in any one of claims 1-9; the re-drive circuit is used to amplify, equalize, and pre-emphasize at least a portion of the P2P signal output by the motherboard. A display screen, which is connected to the re-drive circuit board; The display screen is used to display the P2P signal output by the re-drive circuit board.

12. A television set, characterized in that, Includes the display driving system as described in claim 11.

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