CN211654268U - Display screen drive board and display screen drive system - Google Patents
Display screen drive board and display screen drive system Download PDFInfo
- Publication number
- CN211654268U CN211654268U CN202020559745.2U CN202020559745U CN211654268U CN 211654268 U CN211654268 U CN 211654268U CN 202020559745 U CN202020559745 U CN 202020559745U CN 211654268 U CN211654268 U CN 211654268U
- Authority
- CN
- China
- Prior art keywords
- display screen
- programmable logic
- microprocessor
- logic array
- array circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the utility model provides a display screen drive plate and display screen actuating system, the embodiment of the utility model provides a display screen drive plate includes: a microprocessor; the programmable logic array circuit comprises a signal input end and a signal output end, the signal input end of the programmable logic array circuit is in communication electric connection with the microprocessor, and the output end of the programmable logic array circuit is in communication electric connection with the display screen to be detected and is used for providing a driving signal for the display screen to be detected under the control of the microprocessor so as to control the display screen to be detected to display images. An embodiment of the utility model provides a display screen drive plate and display screen actuating system to the realization improves the commonality of display screen drive plate to the test drive that multiple different display screens go on, reduces the cost of display screen drive plate.
Description
Technical Field
The utility model relates to a show the drive technique, especially relate to a display screen drive board and display screen actuating system.
Background
In daily life, electronic products such as computers and mobile phones are an indispensable part, a display of the computer is provided with a display driving board, the general display driving board is provided with a video signal receiving end, an MCU (microprogrammed control unit) and a signal output end, and the display area driving board controls a display screen to display images through signals output by the signal output end.
In recent years, consumer electronics are in great demand, a large number of different types of display screens need to be tested, and in the existing design, a special driving chip corresponding to one type of display screen is usually adopted, and the integration level and the cost of the special driving chip are high.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a display screen drive plate and display screen actuating system to the realization improves the commonality of display screen drive plate to the test drive that multiple different display screens go on, reduces the cost of display screen drive plate.
In a first aspect, an embodiment of the present invention provides a display screen drive board, including:
a microprocessor;
the programmable logic array circuit comprises a signal input end and a signal output end, the signal input end of the programmable logic array circuit is in communication electric connection with the microprocessor, and the output end of the programmable logic array circuit is in communication electric connection with the display screen to be detected and is used for providing a driving signal for the display screen to be detected under the control of the microprocessor so as to control the display screen to be detected to display images.
Optionally, a memory is included, the memory being in communicative electrical connection with the programmable logic array circuitry.
Optionally, the memory includes a memory and a flash memory.
Optionally, the signal output end of the programmable logic array circuit includes an MIPI interface, and the programmable logic circuit is in communication and electrical connection with the display screen to be detected through the MIPI interface.
Optionally, the signal input of the programmable logic array circuit comprises an FSMC interface, and the programmable logic array circuit is in communicative electrical connection with the microprocessor through the FSMC interface.
Optionally, the microprocessor includes an arm processor or a single chip microcomputer.
Optionally, the display device further comprises a power supply, and the power supply is electrically connected with the microprocessor, the programmable logic array circuit and the display screen to be detected.
In a second aspect, an embodiment of the present invention provides a display screen driving system, which includes the first aspect, a display screen driving board, and a computer, wherein the computer is electrically connected to a microprocessor communication circuit.
The embodiment of the utility model provides a display screen drive board, display screen drive board include microprocessor and programmable logic array circuit, and microprocessor is configured to communication protocol analysis and logic control, and programmable logic array circuit is configured to provide different drive signal according to the display screen type of difference to the realization is to the test drive that multiple different display screens go on, improves the commonality of display screen drive board, reduces the cost of display screen drive board.
Drawings
Fig. 1 is a schematic structural diagram of a display screen driving board according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a display screen driving system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a display screen driving board according to an embodiment of the present invention, and referring to fig. 1, the display screen driving board includes a microprocessor 10 and a programmable logic array circuit 20. The programmable logic array circuit 20 is also an FPGA circuit, the programmable logic array circuit 20 includes a signal input terminal 22 and a signal output terminal 21, the signal input terminal 22 of the programmable logic array circuit 20 is electrically connected to the microprocessor 10 in a communication manner, and the output terminal of the programmable logic array circuit 20 is electrically connected to the display screen 30 to be detected in a communication manner, and is configured to provide a driving signal for the display screen 30 to be detected under the control of the microprocessor 10, so as to control the display screen 30 to be detected to display an image.
The embodiment of the utility model provides a display screen drive board, display screen drive board include microprocessor 10 and programmable logic array circuit 20, and microprocessor 10 is configured to communication protocol analysis and logic control, and programmable logic array circuit 20 is configured to provide different drive signal according to the display screen type of difference to the realization is to the test drive that multiple different display screens go on, improves the commonality of display screen drive board, reduces the cost of display screen drive board.
Optionally, referring to fig. 1, the display screen driver board further includes a memory 40, the memory 40 being in communicative electrical connection with the programmable logic array circuitry 20.
Optionally, referring to fig. 1, the storage 40 includes a memory 41 and a flash memory 42. The memory 41 is a DDR memory for caching display data. The flash memory 42 is a flash memory for storing pictures and video data.
Optionally, referring to fig. 1, the signal output terminal 21 of the programmable logic array circuit 20 includes a MIPI interface, and the programmable logic circuit 20 is electrically connected to the display screen 30 to be detected through the MIPI interface. The embodiment of the utility model provides an in, programmable logic circuit 20 is connected through the MIPI interface with the display screen 30 communication electricity that waits to detect, specifically, programmable logic circuit 20 is through the MIPI agreement of MIPI interface transmission and the display screen 30 intercommunication that waits to detect, the module that adopts the MIPI interface compares in and has fast, the transmission data volume is big, the low power consumption, the advantage that anti-interference is good in the mouth, consequently, the communication rate with the display screen 30 that waits to detect has been improved, can satisfy the display screen of higher size and resolution ratio.
Illustratively, the wiring in the MIPI interface can adopt an isometric snake-shaped routing, and the surrounding copper is covered to be grounded so as to improve the anti-interference capability.
Alternatively, referring to FIG. 1, signal input 22 of programmable logic array circuit 20 comprises an FSMC interface through which programmable logic array circuit 20 is communicatively electrically connected to microprocessor 10.
Alternatively, referring to fig. 1, the microprocessor 10 includes an arm processor or a single chip microcomputer.
Optionally, referring to fig. 1, the display screen driving board further includes a power supply 50, and the power supply 50 is electrically connected to the microprocessor 10, the programmable logic array circuit 20, and the display screen 10 to be detected. The power supply 50 provides the microprocessor 10, the programmable logic array circuit 20, and the display screen 10 to be tested with the voltage or current required for operation. The power supply 50 may be a dedicated module capable of outputting a plurality of voltages to respectively supply power to the microprocessor 10, the programmable logic array circuit 20 and the display screen 10 to be tested, for example, the power supply 50 may output voltages of 1.2V, 2.5V and 3.3V.
It should be noted that the embodiment of the present invention provides a display screen driving board having at least the following effects: various display screens can be supported; a good interactive interface is provided, and parameter setting is convenient; the system has abundant communication interfaces, and is convenient to be docked with other equipment; the method can adapt to the complex electromagnetic environment of a factory; supporting a C-PHY interface display screen; supporting a d-PHY interface display screen; support 4k fractional rates; monochrome/color/animation display is supported; the power-on sequence self-definition of a screen is supported; the backlight black insertion function is supported; the device is suitable for various production lines, and the machine type switching is simple and quick; the maintenance cost is low, and the automatic equipment system is convenient to butt joint.
Fig. 2 is a schematic structural diagram of a display screen driving system according to an embodiment of the present invention, referring to fig. 2, the display screen driving system includes the display screen driving board in the above embodiment, and a computer 60, and the computer 60 is electrically connected to the microprocessor 10 in communication. Because the embodiment of the utility model provides a display screen actuating system includes the display screen drive plate in above-mentioned embodiment, consequently has the beneficial effect of display screen drive plate in above-mentioned embodiment, promptly, to the test drive that multiple different display screens go on, improves the commonality of display screen drive plate, reduces the cost of display screen drive plate.
Illustratively, referring to fig. 2, the computer 60 and the microprocessor 10 may communicate with each other through the SPI protocol.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. A display screen driving board, comprising:
a microprocessor;
the programmable logic array circuit comprises a signal input end and a signal output end, the signal input end of the programmable logic array circuit is in communication electric connection with the microprocessor, and the output end of the programmable logic array circuit is in communication electric connection with the display screen to be detected and is used for providing a driving signal for the display screen to be detected under the control of the microprocessor so as to control the display screen to be detected to display images.
2. The display screen driving board according to claim 1, further comprising a memory in communicative electrical connection with the programmable logic array circuitry.
3. The display screen driving board according to claim 2, wherein the memory includes a memory and a flash memory.
4. The display screen driving board according to claim 1, wherein the signal output terminal of the programmable logic array circuit includes a MIPI interface, and the programmable logic circuit is in communication and electrical connection with the display screen to be detected through the MIPI interface.
5. A display screen driver board according to claim 1, wherein the signal inputs of the programmable logic array circuitry comprise an FSMC interface, the programmable logic array circuitry being communicatively electrically connected to the microprocessor via the FSMC interface.
6. The display screen driving board according to claim 1, wherein the microprocessor includes an arm processor or a single chip microcomputer.
7. The display screen driving board according to claim 1, further comprising a power supply electrically connected to the microprocessor, the programmable logic array circuit and the display screen to be detected.
8. A display screen driving system comprising the display screen driving board of any one of claims 1 to 7, and a computer, said computer being in communicative electrical connection with the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559745.2U CN211654268U (en) | 2020-04-15 | 2020-04-15 | Display screen drive board and display screen drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559745.2U CN211654268U (en) | 2020-04-15 | 2020-04-15 | Display screen drive board and display screen drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211654268U true CN211654268U (en) | 2020-10-09 |
Family
ID=72688868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020559745.2U Active CN211654268U (en) | 2020-04-15 | 2020-04-15 | Display screen drive board and display screen drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211654268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111369930A (en) * | 2020-04-15 | 2020-07-03 | 昆山迈致治具科技有限公司 | Display screen driving board, display screen driving system and driving method |
-
2020
- 2020-04-15 CN CN202020559745.2U patent/CN211654268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111369930A (en) * | 2020-04-15 | 2020-07-03 | 昆山迈致治具科技有限公司 | Display screen driving board, display screen driving system and driving method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101276570A (en) | Display apparatus for displaying video input through various ports | |
| CN107241562B (en) | Ultra-high definition liquid crystal television circuit system and interface | |
| US8439698B1 (en) | Low profile mechanical and electrical accessory connector | |
| CN112671084A (en) | USB device and operation method thereof | |
| CN211654268U (en) | Display screen drive board and display screen drive system | |
| CN210324144U (en) | Single-screen double-system switching display touch system for vehicle-mounted extension line expansion | |
| CN210405539U (en) | Four-digit multi-type vehicle-mounted camera module test system | |
| CN111522405A (en) | Mainboard integrating multifunctional TYPE-C interface | |
| CN111369930A (en) | Display screen driving board, display screen driving system and driving method | |
| CN210297900U (en) | Multifunctional signal expansion conversion circuit and display device with screen splitting function | |
| CN217721292U (en) | Camera signal conversion circuit | |
| US11687310B2 (en) | Modular display apparatus and method for controlling thereof | |
| CN114461555A (en) | Interface circuit and mainboard | |
| CN203013216U (en) | LED display screen control device | |
| CN112365830A (en) | Signal driving board | |
| CN107370653B (en) | Electric power communication interface conversion device with automatic switching function | |
| CN107731182B (en) | Display adapter | |
| CN219369799U (en) | Multifunctional multiplexing vehicle-mounted display screen testing device | |
| CN220821063U (en) | Signal compatible circuit, signal compatible system and electronic equipment | |
| CN220121471U (en) | Display control circuit board and learning machine | |
| CN219419782U (en) | Adapter plate and display device | |
| CN216485362U (en) | Testing device | |
| CN217060964U (en) | Switch control device and intelligent equipment | |
| CN219419783U (en) | Adapter plate and display device | |
| CN219371417U (en) | Integrated plug wire head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |