A display module that supports multiple signal format inputs

Abstract

This invention provides a display module supporting multiple signal format inputs, comprising: a display LCD for displaying images; and a backlight located on the back of the display LCD for providing light to the display module. This invention uses a signal conversion PCB board to convert user motherboard signals into signals supported by the display LCD. The converted signals are then transmitted to the display module's FPC circuit board via a first connector. The signals input to the FPC circuit board are connected to the driver IC via a special circuit. The driver IC then processes the converted signals corresponding to those supported by the display LCD, and the processed signals are input to the display LCD to achieve the effect of displaying images, thus supporting multiple signal format inputs.

Description

Technical Field

[0001] This utility model relates to the technical field of display modules, and in particular to a display module that supports multiple signal format inputs. Background Technology

[0002] With the increasing popularity of display modules, the demand for display modules in the automotive, instrumentation, and industrial control industries is growing. However, the output interfaces supported by different main control chips vary widely across different industries, ranging from TLL / RGB / LVDS10BIT to LVDS8BIT / C-PHY / D-PHY. The numerous signal protocols limit the resources available to manufacturers when selecting display screens. Utility Model Content

[0003] Based on this, the purpose of this utility model is to provide a display module that supports multiple signal format inputs and is compatible with any one of the three signal interfaces (MIPI / LVDS / TTL) required during the product development stage.

[0004] This utility model provides the following technical solution: a display module supporting multiple signal format inputs, comprising:

[0005] The display LCD is used to display images.

[0006] A backlight source, located on the back side of the display LCD, is used to provide light to the display module;

[0007] The display module FPC circuit board is disposed on the back side of the backlight and is used to realize the display function of the display module;

[0008] A signal conversion PCB board is used to convert the signals of the user motherboard so that the signals of the user motherboard are compatible with the signals supported by the display LCD.

[0009] A driver IC is connected to the display module FPC circuit board. The driver IC is used to process the signals supported by the display LCD. The processed signals are input to the display module FPC circuit board, so that the display module displays the image.

[0010] The signal conversion PCB is connected to the user motherboard, and the signal conversion PCB is connected to the display module FPC circuit board via a first connector. The signal from the user motherboard is converted by the signal conversion PCB and then transmitted to the display module FPC circuit board via the first connector. The display module FPC circuit board is connected to the backlight via a second connector.

[0011] Furthermore, the signal conversion PCB board includes: an MCU control module, a transformer module, a signal conversion main chip, and a crystal oscillator module; the signal conversion main chip is used to convert the signals of the user motherboard so that the display LCD can support it; the transformer module is used to provide a suitable power supply voltage to the signal conversion main chip and the MCU control module; the MCU control module is used to control the signal conversion main chip to configure the corresponding signal conversion mode; the crystal oscillator module is used to generate a stable and accurate clock signal for the signal conversion main chip.

[0012] Furthermore, the signal conversion PCB board also includes a conversion board signal output interface connector and a conversion board signal input interface connector; the display module FPC circuit board includes a display module signal input interface connector, and a first connector connects the conversion board signal output interface connector and the display module signal input interface connector; the signal from the user motherboard is input to the signal conversion main chip through the conversion board signal input interface connector; the signal converted by the signal conversion main chip is sequentially input to the display module FPC circuit board through the conversion board signal output interface connector, the first connector, and the display module signal input interface connector.

[0013] Furthermore, the maximum height of the component area on the signal conversion PCB board is ≤3mm.

[0014] Furthermore, the first connector is a signal connection FPC, one end of which is connected to the signal output interface connector of the conversion board, and the other end is connected to the signal input interface connector of the display module.

[0015] Furthermore, the second connector is a backlight power supply FPC, one end of which is connected to the display module FPC circuit board, and the other end is connected to the backlight source.

[0016] Furthermore, the display module FPC circuit board is connected to the driver IC via its own bonding gold fingers.

[0017] Furthermore, the display LCD is provided with an AG silver paste grounding point.

[0018] The beneficial effects of this utility model are as follows: the signal conversion PCB board converts the user motherboard signal into a signal supported by the display LCD, and transmits the converted signal to the display module FPC circuit board through the first connector. The signal input to the display module FPC circuit board is connected to the driver IC through a special circuit in conjunction with the driver IC. Then, the driver IC processes the converted signal corresponding to the display LCD, and the processed signal is input to the display LCD to achieve the effect of displaying the image on the display module. Thus, it can support the input of multiple signal formats. Attached Figure Description

[0019] Figure 1 This is the front view of the present invention.

[0020] Figure 2 This is a side view of the present invention.

[0021] Figure 3 This is a rear view of the present invention.

[0022] Figure 4 This is a front view of the signal conversion PCB board of this utility model.

[0023] Figure 5 This is a side view of the signal conversion PCB board of this utility model.

[0024] Figure 6 This is a rear view of the signal conversion PCB board of this utility model.

[0025] The markings in the attached diagram are as follows: 1-AG silver paste grounding point, 2-Display LCD, 3-Driver IC, 4-Bonding gold fingers, 5-Display module FPC circuit board, 6-Backlight power supply FPC, 7-Backlight source, 8-Display module signal input interface connector, 9-Conversion board signal output interface connector, 10-Signal conversion PCB board, 11-Conversion board signal input interface connector, 12-Signal connection FPC, 13-MCU control module, 14-Transformer module, 15-Signal conversion main chip, 16-Crystal oscillator module, 17-Copper leakage area, 18-Component area, 19-Board, 20-GND area. Detailed Implementation

[0026] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0027] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] A display module that supports multiple signal format inputs, such as Figures 1-3 As shown, it includes: display LCD2, backlight 7, display module FPC circuit board 5, signal conversion PCB board 10, driver IC3, first connector and second connector;

[0030] The LCD2 is used to display images; the backlight 7 is located on the back side of the LCD2 and provides light to the display module; the FPC circuit board 5 is located on the back side of the backlight 7 and is used to realize the display function of the display module. The maximum height of the component area 18 of the FPC circuit board 5 is ≤3mm, making the entire display module relatively thin and light, so as to facilitate assembly; the signal conversion PCB board 10 is used to convert the signals of the user motherboard so that the signals of the user motherboard are compatible with the signals supported by the LCD2, such as... Figure 5 As shown, the highest height of the component area 18 of the signal conversion PCB board 10 is ≤3mm, and the thickness of the board area 19 is 0.6mm±0.03mm. The driver IC3 is connected to the display module FPC circuit board 5. The driver IC3 is used to process the signals supported by the display LCD2. The processed signals are input to the display module FPC circuit board 5, thereby enabling the display module to display images. The signal conversion PCB board 10 is connected to the user motherboard. The signal conversion PCB board 10 and the display module FPC circuit board 5 are connected by a first connector. The signals from the user motherboard are converted by the signal conversion PCB board 10 and transmitted to the display module FPC circuit board 5 through the first connector. The display module FPC circuit board 5 is connected to the backlight 7 through a second connector.

[0031] It is understood that the user motherboard signal is input to the signal conversion PCB board 10, which converts the user motherboard signal into a signal supported by the display LCD2. The converted signal is then transmitted to the display module FPC circuit board 5 via the first connector. The signal input to the display module FPC circuit board 5 is connected to the driver IC3 after passing through a special circuit. The driver IC3 then processes the converted signal corresponding to the signal supported by the display LCD2, and the processed signal is input to the display LCD2 to achieve the effect of displaying the image on the display module. In addition, the display module FPC circuit board 5 controls the backlight 7 to light up via the second connector.

[0032] Furthermore, such as Figure 4 As shown, the signal conversion PCB board 10 includes: an MCU control module 13, a transformer module 14, a signal conversion main chip 15, and a crystal oscillator module 16. The signal conversion main chip 15 is used to convert the signals of the user motherboard so that the display LCD2 can support it. The transformer module 14 is used to provide a suitable power supply voltage to the signal conversion main chip 15 and the MCU control module 13. The MCU control module 13 is used to control the signal conversion main chip 15 to configure the corresponding signal conversion mode. The crystal oscillator module 16 is used to generate a stable and accurate clock signal for the signal conversion main chip 15.

[0033] Specifically, the user motherboard signal is input to the signal conversion main chip 15, the transformer module 14 transforms the 3.3V to supply 1.8V to the signal conversion main chip 15 and the MCU control module 13, the MCU control module 13 controls the signal conversion main chip 15 to configure the corresponding signal conversion mode, so as to convert the user motherboard signal into the signal supported by the display LCD2, and the crystal oscillator module 16 generates a stable and accurate clock signal for the signal conversion main chip 15;

[0034] Furthermore, such as Figure 4 and Figure 6 As shown, the signal conversion PCB board 10 also includes a copper drain area 17 disposed on its front side for grounding, and a GND area 20 disposed on the back side of the signal conversion PCB board 10.

[0035] The signal conversion PCB board 10 further includes a conversion board signal output interface connector 9 and a conversion board signal input interface connector 11; the display module FPC circuit board 5 includes a display module signal input interface connector 8, and the first connector connects the conversion board signal output interface connector 9 and the display module signal input interface connector 8;

[0036] It is understood that the signal from the user motherboard is input to the signal conversion main chip 15 through the signal input interface connector 11 of the conversion board; the signal converted by the signal conversion main chip 15 is input to the display module FPC circuit board 5 through the signal output interface connector 9 of the conversion board, the first connector, and the signal input interface connector 8 of the display module in sequence.

[0037] Furthermore, the first connector is a signal connector FPC12, one end of which is connected to the signal output interface connector 9 of the conversion board, and the other end is connected to the signal input interface connector 8 of the display module.

[0038] It is understood that the signal connection FPC12 connects the signal output interface connector 9 of the conversion board and the signal input interface connector 8 of the display module so that the converted signal is input to the display module FPC circuit board 5; in other embodiments, the first connector may be a data connection cable or a signal connection PCB, through which the converted signal is input to the display module FPC circuit board 5;

[0039] Furthermore, the second connector is a backlight power supply FPC6, one end of which is connected to the display module FPC circuit board 5, and the other end is connected to the backlight source 7.

[0040] It is understood that the backlight power supply FPC6 connects the display module FPC circuit board 5 and the backlight 7 to achieve the purpose of lighting up the backlight 7; in other embodiments, the second connector may also be a data connection line or a signal connection PCB to achieve the purpose of lighting up the backlight 7.

[0041] Furthermore, the display module FPC circuit board 5 is connected to the driver IC 3 via its own bonding gold fingers 4.

[0042] It is understandable that the driver IC3 is pressed and bonded to the bonding gold fingers 4 of the display module FPC circuit board 5 to achieve the connection between the driver IC3 and the display module FPC circuit board 5;

[0043] Furthermore, the display LCD2 is provided with an AG silver paste grounding point 1;

[0044] It is understandable that setting an AG silver paste grounding point 1 on the display LCD2 can increase the anti-static interference capability of the display module.

[0045] In summary, the signal conversion PCB board 10 converts the user motherboard signal into a signal supported by the display LCD2. The converted signal is then transmitted to the display module FPC circuit board 5 via the first connector. The signal input to the display module FPC circuit board 5 is connected to the driver IC3 after passing through a special circuit. The driver IC3 then processes the converted signal supported by the display LCD2, and the processed signal is input to the display LCD2 to achieve the effect of displaying the image. This achieves the effect of supporting multiple signal format inputs.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A display module supporting multiple signal format inputs, characterized in that, include: The display LCD is used to display images. A backlight source, located on the back side of the display LCD, is used to provide light to the display module; The display module FPC circuit board is disposed on the back side of the backlight and is used to realize the display function of the display module; A signal conversion PCB board is used to convert the signals of the user motherboard so that the signals of the user motherboard are compatible with the signals supported by the display LCD. A driver IC is connected to the display module FPC circuit board. The driver IC is used to process the signals supported by the display LCD. The processed signals are input to the display module FPC circuit board, so that the display module displays the image. The signal conversion PCB is connected to the user motherboard, and the signal conversion PCB is connected to the display module FPC circuit board via a first connector. The signal from the user motherboard is converted by the signal conversion PCB and then transmitted to the display module FPC circuit board via the first connector. The display module FPC circuit board is connected to the backlight via a second connector.

2. The display module according to claim 1, characterized in that, The signal conversion PCB board includes: an MCU control module, a transformer module, a signal conversion main chip, and a crystal oscillator module; the signal conversion main chip is used to convert the signals of the user motherboard so that the display LCD can support it; the transformer module is used to provide a suitable power supply voltage to the signal conversion main chip and the MCU control module; the MCU control module is used to control the signal conversion main chip to configure the corresponding signal conversion mode; the crystal oscillator module is used to generate a stable and accurate clock signal for the signal conversion main chip.

3. The display module according to claim 2, characterized in that, The signal conversion PCB board further includes a conversion board signal output interface connector and a conversion board signal input interface connector; the display module FPC circuit board includes a display module signal input interface connector, and a first connector connecting the conversion board signal output interface connector and the display module signal input interface connector; the signal from the user motherboard is input to the signal conversion main chip through the conversion board signal input interface connector; the signal converted by the signal conversion main chip is input to the display module FPC circuit board in sequence through the conversion board signal output interface connector, the first connector, and the display module signal input interface connector.

4. The display module according to claim 1, characterized in that, The maximum height of the component area on the signal conversion PCB board is ≤3mm.

5. The display module according to claim 1, characterized in that, The first connector is a signal connector FPC, one end of which is connected to the signal output interface connector of the conversion board, and the other end is connected to the signal input interface connector of the display module.

6. The display module according to claim 1, characterized in that, The second connector is a backlight power supply FPC, one end of which is connected to the display module FPC circuit board, and the other end is connected to the backlight source.

7. The display module according to claim 1, characterized in that, The display module FPC circuit board is connected to the driver IC through its own bonding gold fingers.

8. The display module according to claim 1, characterized in that, The LCD display is equipped with an AG silver paste grounding point.

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