CN217690466U - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN217690466U CN217690466U CN202221730995.3U CN202221730995U CN217690466U CN 217690466 U CN217690466 U CN 217690466U CN 202221730995 U CN202221730995 U CN 202221730995U CN 217690466 U CN217690466 U CN 217690466U
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Abstract
The utility model discloses a display module assembly and display device. This display module assembly includes: the circuit board comprises a main control board, a flexible circuit board and a driving circuit board. The main control board is used for outputting data signals; the first end of the flexible circuit board is electrically connected with the main control board, and the flexible circuit board is used for providing a transmission path for the data signal; the driving circuit board is electrically connected with the second end of the flexible circuit board; the main control board and the driving circuit board are both internally provided with safety chips, and the safety chips are used for encrypting data signals transmitted through the flexible circuit board. The utility model discloses technical scheme has improved the data signal's of transmission security in the flexible circuit board through set up safe chip in main control panel and dirver circuit board, makes the data signal of transmission be difficult for being explaind or falsify.
Description
Technical Field
The embodiment of the utility model provides a relate to and show technical field, especially relate to a display module assembly and display device.
Background
For the field having the data interaction function, there is a demand for data display in general. The current payment hardware carrier usually needs to have display and input functions to assist the transaction, display the transaction amount, confirm or cancel the transaction operation and the like. Therefore, the security of the data in the process of being displayed on the display screen needs to be ensured, and the data is not tampered before being displayed. However, in the prior art, transmission needs to be performed through a transmission link in the data display process, and potential safety hazards of data transmission exist on the transmission link, so that the safety requirements of payment hardware carriers cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a display module assembly and display device to the solution is at the data display in-process, and the potential safety hazard that data transmission exists on the transmission link.
According to the utility model discloses an aspect provides a display module assembly, and this display module assembly includes:
a main control board for outputting a data signal;
the first end of the flexible circuit board is electrically connected with the main control board, and the flexible circuit board is used for providing a transmission path for data signals;
the drive circuit board is electrically connected with the second end of the flexible circuit board;
the main control board with drive circuit board is inside all to be provided with safety chip, safety chip is used for encrypting the data signal who passes through the flexible circuit board transmission.
Optionally, the driving circuit board includes: a driver chip; the driving chip is used for controlling the display module to display according to the encrypted data signal.
Optionally, the security chip is disposed inside the driver chip, and the security chip is further configured to decrypt the received encrypted data signal.
Optionally, the driving circuit board further includes: a thin film transistor array; the thin film transistor array is used for receiving the data signals sent by the driving chip and displaying according to the data signals.
Optionally, the main control board includes: the device comprises a driving interface and a main control chip;
the safety chip is arranged inside the main control chip; the main control chip is electrically connected with the driving interface.
Optionally, the driving interface is disposed at an edge of the main control board, and the first end of the flexible circuit board is electrically connected to the driving interface, so that the flexible circuit board is electrically connected to the main control board.
Optionally, the driving circuit board is a printed circuit board.
Optionally, the display module further comprises: a backlight module; the backlight module includes: the backlight module comprises a backlight module lighting device, a back plate, a backlight source, at least one diffusion plate and a rubber frame;
the backlight module lighting device is arranged on the main control panel, the main control panel is arranged on the back surface of the back plate, the backlight source is arranged on the front surface of the back plate, and the diffusion plate is arranged on one side, away from the back plate, of the backlight source;
the edge of the rubber frame surrounding the diffusion plate is arranged in a circle, and the rubber frame is used for sealing the edge of the backlight module.
Optionally, the display module further comprises: a display panel; the display panel includes: the liquid crystal display panel comprises a vertical polarizer, a liquid crystal molecular layer, an optical filter, a horizontal polarizer and a front frame;
the vertical polaroid is arranged on the light emitting side of the backlight module, the driving circuit board is arranged on one side of the vertical polaroid, which is far away from the backlight module, the liquid crystal molecular layer is arranged on one side of the driving circuit board, which is far away from the vertical polaroid, the optical filter is arranged on one side of the liquid crystal molecular layer, which is far away from the driving circuit board, and the horizontal polaroid is arranged on one side of the optical filter, which is far away from the liquid crystal molecular layer;
the front frame surrounds the edge of the horizontal polarizer and is arranged for a circle, and the front frame is used for sealing the edge of the display module.
According to another aspect of the present invention, there is provided a display device, including: the display module according to any of the above first aspects.
The utility model discloses technical scheme is through all setting up safe chip on main control panel and drive control board, encrypt the data signal that needs pass through the transmission of flexible circuit board by safe chip, the data signal that even makes the last transmission of flexible circuit board is encrypted signal to can guarantee when making this display module assembly be applied to payment type scene that the data of user's external input and show to the data of display panel screen end are difficult to be explaied or falsify, improve data transmission's security.
It should be understood that the statements herein are not intended to identify key or critical features of any embodiment of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will be readily apparent from the following specification.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is a schematic plane expanded structure diagram of a display module according to an embodiment of the present invention;
fig. 2 is a schematic plane expanded structure diagram of another display module according to an embodiment of the present invention;
fig. 3 is a schematic plane expanded structural diagram of another display module according to an embodiment of the present invention;
fig. 4 is a schematic plane expanded structure diagram of another display module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a film structure of a display module according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
An embodiment of the utility model provides a display module assembly. Fig. 1 is a schematic view of a planar expansion structure of a display module according to an embodiment of the present invention. As shown in fig. 1, the display module includes: a main control board 10, a flexible circuit board 20, and a driving circuit board 30.
The main control board 10 is used for outputting data signals, a first end of the flexible circuit board 20 is electrically connected with the main control board 10, the flexible circuit board 20 is used for providing a transmission path for the data signals, and the driving circuit board 30 is electrically connected with a second end of the flexible circuit board 20; the main control board 10 and the driving circuit board 30 are each provided therein with a security chip for encrypting data signals transmitted through the flexible circuit board 20.
Specifically, the main control board 10 is a core control circuit board of the display module, and the main control board 10 is used for sending a data signal for controlling the display module to perform corresponding display. The data signal is obtained by converting an image signal to be displayed into an electrical signal by the main control board 10. The driving circuit board 30 is disposed in the display panel, and the driving circuit board 30 receives the data signal sent by the main control board 10, outputs an electrical signal of a required voltage according to the data signal, and controls corresponding pixels in the display panel to be lit, so that the display module realizes image display.
A Flexible Printed Circuit (FPC) 20 is disposed between the main control board 10 and the driving control board 30, and the FPC 20 can electrically connect the main control board 10 and the driving control board 30 disposed on different layers in the display module due to its characteristics of light weight, thin thickness and good bending property, so that a data signal for controlling display, which is transmitted from the main control board 10, is transmitted to the driving control board 30 through the FPC 20. Similarly, when the main control board 10 needs to read the data signal transmitted back from the display panel, the driving circuit board 30 can transmit the data signal to the main control board 10 through the flexible circuit board 20.
The driving circuit board 30 and the main control board 10 are each provided therein with a security chip, which is not shown in fig. 1. The security chip may encrypt the output data signal and may decrypt the received encrypted data signal. Illustratively, in the process that the main control board 10 controls the display module to display, the security chip provided in the main control board 10 encrypts the data signal to be output. The main control board 10 transmits the encrypted data signal to the driving circuit board 30 through the flexible circuit board 20, and the security chip disposed on the driving circuit board 30 decrypts the received encrypted data signal, and outputs a corresponding voltage signal according to the decrypted data signal, so as to control the display panel to display. In the process that the main control panel 10 reads the external data signals received by the display module, the security chip arranged on the driving circuit board 30 encrypts the external data signals to be transmitted back, the external data signals are transmitted to the main control panel 10 through the flexible circuit board 20, and the encrypted external data signals are decrypted by the security chip arranged on the main control panel 10. Through setting up the security chip, make data signal safer in flexible circuit board 30 transmission process, the data signal of encryption is difficult for being cracked or falsifying to data security when having guaranteed this display module assembly and being applied to payment class scene.
According to the technical scheme, the safety chips are arranged on the main control panel and the driving control panel, the data signals needing to be transmitted through the flexible circuit board are encrypted through the safety chips, namely, the data signals transmitted on the flexible circuit board are encrypted signals, so that the display module can ensure that data input from the outside of a user and data displayed to the screen end of the display panel are not easy to crack or tamper when the display module is applied to a payment scene, and the safety of data transmission is improved.
Optionally, fig. 2 is a schematic plane development structure diagram of another display module according to an embodiment of the present invention. On the basis of the above embodiment, as shown in fig. 2, the drive circuit board 30 includes: the driver chip 31. The driving chip 31 is used for controlling the display module to display according to the encrypted data signal.
Specifically, the driving Circuit Board 30 is a Printed Circuit Board (PCB), and a high-density driving Circuit can be integrated. The driving chip 31 is electrically connected to the flexible circuit board 20, and after the driving chip 31 decrypts the received encrypted data signal, it generates a corresponding voltage signal to control the display panel to display. The driver chip 31 implements encryption and decryption functions through the security chip. Illustratively, the security chip is disposed inside the driving chip 31, and the security chip is further configured to decrypt the received encrypted data signal. The security chip is disposed inside the driving chip 31, so that data signals can be reduced from being transmitted between the separate chips, and the security of data signal transmission is improved. The encrypted data signal received by the driving chip can be decrypted through the security chip, and the data signal sent to the main control board 10 by the driving chip 31 can also be encrypted, so that the security of the data signal transmitted on the flexible circuit board 20 is ensured.
Optionally, fig. 3 is a schematic plane expanded structure diagram of another display module according to an embodiment of the present invention. On the basis of the above embodiment, as shown in fig. 3, the driving circuit board 30 further includes: a thin film transistor array 32; the driving chip 31 is disposed at the edge of one side of the thin film transistor array 32; the thin film transistor array 32 is used for receiving the data signal sent by the driving chip 31 and displaying according to the data signal.
Specifically, a thin film transistor array 32 is disposed on the same layer as the driving circuit board 30, and as shown in fig. 3, the thin film transistors are represented by rectangular blocks, and the plurality of rectangular blocks are arranged in an array, that is, the thin film transistor array 32 is formed. The thin film transistor array 32 is configured to receive and respond to a voltage signal sent by the driving chip 31, so as to turn on a corresponding thin film transistor, thereby lighting a corresponding pixel and implementing image display.
Optionally, fig. 4 is a schematic structural diagram of another display module according to an embodiment of the present invention. On the basis of the above embodiment, as shown in fig. 4, the main control board 10 includes: a drive interface 11 and a main control chip 12. The security chip is arranged inside the main control chip 12; the main control chip 12 is electrically connected to the driving interface 11.
Specifically, the flexible circuit board 20 and the main control board 10 are electrically connected through the driving interface 11, so as to perform data signal transmission. The driving interface 11 is electrically connected to the main control chip 12, and can transmit the received encrypted data signal to the main control chip 12. The main control chip 12 is provided with a security chip, so that transmission of data signals between the discrete chips is reduced, and the security chip can encrypt the data signals output by the main control chip 12, thereby improving the security of data signal transmission.
Optionally, on the basis of the above embodiment, with continuing reference to fig. 4, the driving interface 11 is disposed at an edge of the main control board 10, and the first end of the flexible circuit board 20 is electrically connected to the driving interface 11, so as to electrically connect the flexible circuit board 20 and the main control board 10.
Specifically, the driving interface 11 is disposed at the edge of the main control board 10, so that the overlapping area of the flexible circuit board 20 and the main control board 10 can be reduced, and the flexible circuit board 20 can be conveniently bent, thereby reducing the thickness of the display module and realizing the thinning of the display module.
Optionally, fig. 5 is a schematic diagram of a film structure of a display module according to an embodiment of the present invention. On the basis of the above embodiment, as shown in fig. 5, the display module further includes: a backlight module 40. The backlight module 40 includes: a backlight module lighting device, a back plate 41, a backlight source, at least one diffusion plate 42 and a rubber frame 43.
The backlight module lighting device is arranged on the main control panel 10, the main control panel 10 is arranged on the back surface of the back plate 41, the backlight source is arranged on the front surface of the back plate 41, and the diffusion plate 42 is arranged on one side of the backlight source far away from the back plate 41; the rubber frame 43 surrounds the edge of the diffusion plate 42 for a circle, and the rubber frame 43 is used for sealing the edge of the backlight module 40.
Specifically, the backlight module lighting device is used for converting voltage into high-frequency high-voltage pulse alternating current to continuously light the backlight source. The backlight module lighting device is disposed on the main control board 10, the backlight source is disposed on the back plate 41, and neither the backlight module lighting device nor the backlight source is shown in fig. 5. Illustratively, the backlight may be a Cold Cathode Fluorescent Lamp (CCFL). The back plate 41 is used for supporting and fixing components such as a backlight source and a display panel, and assembling the display module. The diffusion plate 42 is used for diffusing the light emitted from the backlight module 40, so that the backlight module 40 emits light uniformly and has uniform brightness. The diffusion plate 42 may be provided with at least one layer, and a film structure of a display module having two layers of the diffusion plate 42 is shown in fig. 5. The rubber frame 43 is used for fixing and sealing the film structure of the whole backlight module 40, and prevents the backlight module 40 from being damaged or polluted and affecting the light emitting effect of the backlight module 40.
Optionally, on the basis of the foregoing embodiment, with reference to fig. 5, the display module further includes: a display panel 50. The display panel 50 includes: a vertical polarizer 51, a liquid crystal molecular layer 52, a filter 53, a horizontal polarizer 54, and a front frame 55.
The vertical polarizer 51 is arranged on the light emitting side of the backlight module 40, the driving circuit board 30 is arranged on the side of the vertical polarizer 51 away from the backlight module 40, the liquid crystal molecular layer 52 is arranged on the side of the driving circuit board 30 away from the vertical polarizer 51, the optical filter 53 is arranged on the side of the liquid crystal molecular layer 52 away from the driving circuit board 30, and the horizontal polarizer 54 is arranged on the side of the optical filter 53 away from the liquid crystal molecular layer 52; the front frame 55 surrounds the edge of the horizontal polarizer 54, and the front frame 55 is used for sealing the edge of the display module 50.
Specifically, the display module may be a liquid crystal display module, the driving circuit board 30 is disposed on a side of the liquid crystal molecule layer 52 close to the light emitting surface of the backlight module 40, and the driving circuit board 30 is configured to output a voltage signal, so that the upper and lower plates of the liquid crystal molecule layer 52 form an electric field or a magnetic field, thereby controlling the degree of torsion of the liquid crystal molecules between the upper and lower plates, and enabling the liquid crystal display panel to display. The vertical polarizer 51 is disposed on a side of the liquid crystal molecule layer 52 close to the light exit surface of the backlight module 40, and the vertical polarizer 51 is used for deflecting light emitted from the backlight module, for example, deflecting natural light emitted from the backlight module 40 into linearly polarized light. The optical filter 53 is disposed on a side of the liquid crystal molecular layer 52 away from the light emitting surface of the backlight module 40, and the optical filter 53 is configured to colorize the light passing through the liquid crystal molecular layer 52, so as to realize colorized display of the liquid crystal display module. The horizontal polarizer 54 and the vertical polarizer 51 are disposed in cooperation, and act together to generate a phase difference for the light source, so as to realize the normal display function of the liquid crystal display module. The front frame 55 wraps the edge of the display module for a circle, so that the edge of the display module can be protected from being damaged, and the structure of the display module is reinforced.
The embodiment of the utility model provides a still provide a display device. Fig. 6 is a schematic diagram of a display device according to an embodiment of the present invention. As shown in fig. 6, the display module may be a liquid crystal display module, and the display device 01 may be a display screen for performing payment transactions. The display device 01 comprises the display module set in any embodiment, and has the same functions and beneficial effects as the display module set in any embodiment.
The above detailed description does not limit the scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A display module, comprising:
a main control board for outputting a data signal;
the first end of the flexible circuit board is electrically connected with the main control board, and the flexible circuit board is used for providing a transmission path for data signals;
the driving circuit board is electrically connected with the second end of the flexible circuit board;
the main control board with drive circuit board is inside all to be provided with safety chip, safety chip is used for encrypting the data signal who passes through the flexible circuit board transmission.
2. The display module of claim 1, wherein the driving circuit board comprises: a driving chip; the driving chip is used for controlling the display module to display according to the encrypted data signal.
3. The display module of claim 2, wherein the security chip is disposed inside the driver chip, and the security chip is further configured to decrypt the received encrypted data signal.
4. The display module of claim 2, wherein the driving circuit board further comprises: a thin film transistor array; the thin film transistor array is used for receiving the data signals sent by the driving chip and displaying according to the data signals.
5. The display module of claim 1, wherein the main control panel comprises: the device comprises a driving interface and a main control chip;
the safety chip is arranged inside the main control chip; the main control chip is electrically connected with the driving interface.
6. The display module assembly according to claim 5, wherein the driving interface is disposed at an edge of the main control board, and the first end of the flexible circuit board is electrically connected to the driving interface, so as to electrically connect the flexible circuit board to the main control board.
7. The display module of claim 2, wherein the driving circuit board is a printed circuit board.
8. The display module of claim 1, further comprising: a backlight module; the backlight module includes: the backlight module comprises a backlight module lighting device, a back plate, a backlight source, at least one diffusion plate and a rubber frame;
the backlight module lighting device is arranged on the main control board, the main control board is arranged on the back surface of the back plate, the backlight source is arranged on the front surface of the back plate, and the diffusion plate is arranged on one side, away from the back plate, of the backlight source;
the edge of the plastic frame surrounding the diffusion plate is arranged in a circle, and the plastic frame is used for sealing the edge of the backlight module.
9. The display module of claim 8, further comprising: a display panel; the display panel includes: the liquid crystal display panel comprises a vertical polarizer, a liquid crystal molecular layer, an optical filter, a horizontal polarizer and a front frame;
the vertical polaroid is arranged on the light emitting side of the backlight module, the driving circuit board is arranged on one side of the vertical polaroid, which is far away from the backlight module, the liquid crystal molecular layer is arranged on one side of the driving circuit board, which is far away from the vertical polaroid, the optical filter is arranged on one side of the liquid crystal molecular layer, which is far away from the driving circuit board, and the horizontal polaroid is arranged on one side of the optical filter, which is far away from the liquid crystal molecular layer;
the front frame surrounds the edge of the horizontal polarizer and is arranged for a circle, and the front frame is used for sealing the edge of the display module.
10. A display device, comprising: a display module according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221730995.3U CN217690466U (en) | 2022-07-05 | 2022-07-05 | Display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221730995.3U CN217690466U (en) | 2022-07-05 | 2022-07-05 | Display module and display device |
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| Publication Number | Publication Date |
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| CN217690466U true CN217690466U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221730995.3U Active CN217690466U (en) | 2022-07-05 | 2022-07-05 | Display module and display device |
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| CN (1) | CN217690466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116524852A (en) * | 2023-07-05 | 2023-08-01 | 禹创半导体(深圳)有限公司 | LED display panel and pixel color display method and device thereof |
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2022
- 2022-07-05 CN CN202221730995.3U patent/CN217690466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116524852A (en) * | 2023-07-05 | 2023-08-01 | 禹创半导体(深圳)有限公司 | LED display panel and pixel color display method and device thereof |
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