Logic driver board supporting WQHD and DFHD resolutions

Abstract

The utility model relates to a logic driver board supporting WQHD and DFHD resolutions. The logic driver board supporting WQHD and DFHD resolutions comprises a PCB, an interface module and a TCON chip, the interface module comprises a first connector and a second connector, and the first connector and the second connector are arranged on the PCB; the TCON chip is arranged on the PCB, the TCON chip is electrically connected with the first connector and the second connector, and a VBO input pin is arranged on the TCON chip. According to the scheme provided by the invention, VBO signal input can be supported, and panels with various resolutions are compatible.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a logic driver board supporting WQHD and DFHD resolutions. Background Art

[0002] The display's logic driver board, also known as the TCON board, is a critical component. It controls display parameters such as brightness, contrast, and color, ensuring accurate image display. Displays are not only used in traditional desktop applications but are also finding widespread application in emerging fields such as automotive and medical displays. Common displays currently come in various sizes and resolutions: 3840*RGB*1080, referred to as DFHD; and 3440*RGB*1440, referred to as WQHD.

[0003] In the related art, the logic driver boards of DFHD and WQHD displays do not support VBO signal input, and the logic driver boards compatible with the above two resolutions need to be independently designed and assembled, which has poor compatibility and occupies more PCB board area. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a logic driver board that supports WQHD and DFHD resolutions, can support VBO signal input, and is compatible with panels of multiple resolutions.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] In a first aspect, the present application provides a logic driver board supporting WQHD and DFHD resolutions, comprising: a PCB board; an interface module, the interface module comprising a first connector and a second connector, the first connector and the second connector being respectively arranged on the PCB board; a TCON chip, the TCON chip being arranged on the PCB board, the TCON chip being electrically connected to the first connector and the second connector, respectively, and the TCON chip being provided with a VBO input pin.

[0007] The interface module further includes a resistor R431 , and the resistor R431 is electrically connected to the first connector.

[0008] The interface module further includes a resistor R430 , and the resistor R430 is electrically connected to the second connector.

[0009] The interface module also includes a resistor R422, a resistor R423, a resistor R424 and a resistor R425. The resistor R422 is electrically connected to the second connector, one end of the resistor R423 is electrically connected to one end of the resistor R424, the other end of the resistor R423 is electrically connected to the second connector, the other end of the resistor R424 is electrically connected to the second connector, and the resistor R425 is electrically connected to the second connector.

[0010] The TCON chip is further provided with a first output pin and a second output pin, and the first output pin and the second output pin are both electrically connected to the first connector.

[0011] The TCON chip is further provided with a third output pin and a fourth output pin, and the third output pin and the fourth output pin are both electrically connected to the second connector.

[0012] Compared with the prior art, the present invention has at least the following advantages:

[0013] This application sets a VBO input pin on the TCON chip, and then connects the TCON chip to the first connector and the second connector for communication, thereby realizing a logic driver board compatible with both WQHD and DFHD resolutions and VBO input, which has stronger compatibility, and the above components are all set on a PCB board, saving the space occupied by the PCB board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments.

[0015] Figure 1 This is a circuit diagram of a first connector in one embodiment of the present invention;

[0016] Figure 2 is a circuit diagram of a second connector in one embodiment of the present invention;

[0017] Figure 3 This is a circuit diagram of a TCON chip in one embodiment of the present invention;

[0018] Figure 4 This is a circuit diagram of an interface module in one embodiment of the present utility model;

[0019] Figure 5 This is a circuit diagram of another implementation of the interface module in one embodiment of the present invention. DETAILED DESCRIPTION

[0020] The following describes embodiments of the present application in more detail with reference to the accompanying drawings. Although the accompanying drawings illustrate embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0021] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] Unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," and the like should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0023] The display's logic driver board, also known as the TCON board, is a very critical component in the display. The logic driver board is responsible for controlling the display's brightness, contrast, color and other parameters to ensure accurate image display. Displays are not only used for traditional desktop displays, but are also widely used in a variety of scenarios. They are also gradually penetrating into emerging fields such as vehicle-mounted displays and medical displays. Currently, common displays include logic driver boards with different sizes and resolutions, namely 3840*RGB*1080, referred to as: DFHD; and 3440*RGB*1440, referred to as: WQHD. In related technologies, the display's logic driver board does not support VBO signal input, and the logic driver boards compatible with the above two resolutions need to be independently designed and assembled, resulting in poor compatibility and occupying a larger area of ​​the PCB board.

[0024] In response to the above problems, an embodiment of the present application provides a logic driver board that supports WQHD and DFHD resolutions, which is compatible with VBO signal input and panels with multiple resolutions.

[0025] The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0026] See also Figures 1 to 3 A logic driver board supporting WQHD and DFHD resolutions includes: a PCB board, an interface module and a TCON chip, the interface module includes a first connector and a second connector, the first connector and the second connector are respectively arranged on the PCB board; the TCON chip is arranged on the PCB board, the TCON chip is electrically connected to the first connector and the second connector respectively, and a VBO input pin is provided on the TCON chip.

[0027] It should be noted that the TCON chip model can be U502, and the VBO input pins are VX1_RXN0, VX1_RXP0, VX1_RXN1, VX1_RXP1, VX1_RXN2, VX1_RXP2, VX1_RXN3, VX1_RXP3, VX1_RXN4, VX1_RXP4, VX1_RXN5, VX1_RXP5, VX1_RXN6, VX1_RXP6, VX1_RXN7, VX1_RXP7. Furthermore, this application converts the VBO input to CSPI protocol output to match both WQHD and DFHD resolutions.

[0028] It should also be noted that the first connector and the second connector are arranged on the PCB board in the form of patches.

[0029] This application sets a VBO input pin on the TCON chip, and then connects the TCON chip to the first connector and the second connector for communication, thereby realizing a logic driver board compatible with both WQHD and DFHD resolutions and VBO input, which has stronger compatibility, and the above components are all set on a PCB board, saving the space occupied by the PCB board.

[0030] See also Figure 4 and Figure 5 In one embodiment, the interface module further includes a resistor R431, which is electrically connected to the first connector. Specifically, the interface module further includes a resistor R430, which is electrically connected to the second connector. Specifically, the interface module further includes a resistor R422, a resistor R423, a resistor R424, and a resistor R425, wherein the resistor R422 is electrically connected to the second connector, one end of the resistor R423 is electrically connected to one end of the resistor R424, the other end of the resistor R423 is electrically connected to the second connector, the other end of the resistor R424 is electrically connected to the second connector, and the resistor R425 is electrically connected to the second connector.

[0031] It should be noted that different signal outputs can be controlled by setting different resistors. For example, resistors R422, R423, R424, and R425 are used to control the HVAA voltage.

[0032] See also Figure 3 In one embodiment, the TCON chip is further provided with a first output pin and a second output pin, and the first output pin and the second output pin are both electrically connected to the first connector.

[0033] It should be noted that the first output pins are R-CSN0, R-CSNP0, R-CSN1, R-CSNP1, R-CSN2, R-CSNP2, R-CSN3, R-CSNP3, R-CSN4, R-CSNP4, R-CSN5, R-CSNP5, R-CSN6, and R-CSNP6. The second output pins are R-CSN7, R-CSNP7, R-CSN8, R-CSNP8, R-CSN9, R-CSNP9, R-CSN10, R-CSNP10, R-CSN11, and R-CSNP11. The first and second output pins are connected to the first connector.

[0034] See also Figure 3 In one embodiment, the TCON chip is further provided with a third output pin and a fourth output pin, and the third output pin and the fourth output pin are both electrically connected to the second connector.

[0035] It should be noted that the third output pins are L-CSN0, L-CSNP0, L-CSN1, L-CSNP1, L-CSN2, L-CSNP2, L-CSN3, L-CSNP3, L-CSN4, and L-CSNP4. The fourth output pins are L-CSN5, L-CSNP5, L-CSN6, L-CSNP6, L-CSN7, L-CSNP7, L-CSN8, L-CSNP8, L-CSN9, L-CSNP9, L-CSN10, L-CSNP10, L-CSN11, and L-CSNP11.

[0036] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have their own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the description are not necessarily required for this application. In addition, it is understood that the steps in the method of the embodiment of the present application can be adjusted in sequence, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0037] The embodiments of the present application have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or improvements to the technology in the market, or to enable other persons skilled in the art to understand the embodiments disclosed herein.

Claims

1. A logic driver board supporting WQHD and DFHD resolutions, characterized in that: include: PCB board; An interface module, the interface module comprising a first connector and a second connector, the first connector and the second connector being respectively disposed on the PCB board; A TCON chip is provided on the PCB board, the TCON chip is electrically connected to the first connector and the second connector respectively, and a VBO input pin is provided on the TCON chip.

2. The logic driver board supporting WQHD and DFHD resolutions according to claim 1, characterized in that: The interface module further includes a resistor R431 , and the resistor R431 is electrically connected to the first connector.

3. The logic driver board supporting WQHD and DFHD resolutions according to claim 1, characterized in that: The interface module further includes a resistor R430 , and the resistor R430 is electrically connected to the second connector.

4. The logic driver board supporting WQHD and DFHD resolutions according to claim 1, characterized in that: The interface module also includes a resistor R422, a resistor R423, a resistor R424 and a resistor R425. The resistor R422 is electrically connected to the second connector, one end of the resistor R423 is electrically connected to one end of the resistor R424, the other end of the resistor R423 is electrically connected to the second connector, the other end of the resistor R424 is electrically connected to the second connector, and the resistor R425 is electrically connected to the second connector.

5. The logic driver board supporting WQHD and DFHD resolutions according to claim 1, characterized in that: The TCON chip is further provided with a first output pin and a second output pin, and the first output pin and the second output pin are both electrically connected to the first connector.

6. The logic driver board supporting WQHD and DFHD resolutions according to claim 1, characterized in that: The TCON chip is further provided with a third output pin and a fourth output pin, and the third output pin and the fourth output pin are both electrically connected to the second connector.

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