CN208805799U - Multifunction display circuit board and display - Google Patents
Multifunction display circuit board and display Download PDFInfo
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- CN208805799U CN208805799U CN201821502284.4U CN201821502284U CN208805799U CN 208805799 U CN208805799 U CN 208805799U CN 201821502284 U CN201821502284 U CN 201821502284U CN 208805799 U CN208805799 U CN 208805799U
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Abstract
A kind of multifunction display circuit board, including the power module for power supply, at least one video input interface, audio input output interface, main control chip for audio-video conversion, the video output interface being connected with the main control chip, the single-chip microcontroller being connected with the main control chip, the transponder for the USB multiport being connect with the single-chip microcontroller, the USB input interface being connect with the transponder of the USB multiport, the USB output interface being connect with the transponder of the USB multiport, the indicator light being connect with the single-chip microcontroller, the audio amplifier circuit being connected with the main control chip, the loudspeaker being connect with the audio amplifier circuit, the operation keyboard being connected with the main control chip and the backlight adjustment module being connected with the main control chip.Improve the scalability of display circuit plate.
Description
Technical field
The utility model belongs to display equipment technical field more particularly to a kind of multifunction display circuit board and display
Device.
Background technique
With the continuous development of information network, computer using more more and more universal, wherein liquid crystal display is that computer is important
Information display device.And current display device is generally only used as audio-video output equipment, scalability is poor.
Utility model content
In view of this, the utility model embodiment provides a kind of multifunction display circuit board and display, it is intended to solve
Certainly traditional display device is generally only used as audio-video output equipment, the poor problem of scalability.
The first aspect of the utility model embodiment provides a kind of multifunction display circuit board, including for power supply
Power module, at least one video input interface, audio input output interface, the main control chip for audio-video conversion and institute
The video output interface for stating main control chip connection, the single-chip microcontroller being connected with the main control chip, the USB being connect with the single-chip microcontroller
The transponder of multiport, the USB input interface being connect with the transponder of the USB multiport, the forwarding with the USB multiport
The USB output interface of device connection, the indicator light being connect with the single-chip microcontroller, the audio amplification electricity being connected with the main control chip
Road, the loudspeaker being connect with the audio amplifier circuit, the operation keyboard being connected with the main control chip and with the master control
The backlight adjustment module of chip connection.
The video input interface includes at least one HDMI interface and DP interface in one of the embodiments, described
HDMI interface and the DP interface are connected with the main control chip.
The video output interface includes Vx1 signal terminal and eDP signal terminal in one of the embodiments,.
The backlight adjustment module includes ADIM terminal and PDIM terminal in one of the embodiments,.
The second aspect of the utility model embodiment provides a kind of display, including above-mentioned multifunction display circuit
Plate.
Above-mentioned multifunction display circuit board by setting single-chip microcontroller, the USB multiport being connect with single-chip microcontroller transponder,
The USB input interface connecting with the transponder of USB multiport, the USB output interface connecting with the transponder of USB multiport, can
It, can also be with to adjust the parameter on circuit board by USB input interface to adjust backlight or adjust the lightness colors of indicating module
By the information of main control chip and single-chip microcontroller on USB output interface reading circuit plate, the scalability of display circuit plate is improved.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is multifunction display board structure of circuit schematic diagrames provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, multifunction display circuit board provided by the utility model include for power supply power module 10,
At least one video input interface 20, audio input output interface 30, main control chip 40 and master control core for audio-video conversion
The video output interface 50 of the connection of piece 40, the single-chip microcontroller 60 being connect with main control chip 40, the USB multiport being connect with single-chip microcontroller 60
Transponder 70, connect with the transponder 70 of USB multiport USB input interface 80, connect with the transponder 70 of USB multiport
USB output interface 90, connect with single-chip microcontroller 60 indicator light 100, connect with main control chip 40 audio amplifier circuit 110,
The loudspeaker 120 being connect with audio amplifier circuit 110, the operation keyboard 130 and and main control chip that are connect with main control chip 40
The backlight adjustment module 140 of 40 connections.
Main control chip 40 is NT68394 in one of the embodiments,.Video input interface 20 includes at least one HDMI
Interface and DP interface, HDMI interface and DP interface are connect with main control chip 40.In the present embodiment, HDMI interface is two.Video
Output interface 50 includes Vx1 signal terminal and eDP signal terminal.20 input signal of video input interface, into main control chip 40
Inside carries out signal decoding, and conversion output VX1 or eDP signal is supplied to screen and shows.
Voice signal by audio input output interface 30 input after, into main control chip 40 inside carry out Signal coding it is defeated
Out to 110 decoded output of audio amplifier circuit to loudspeaker 120, another output is to earphone.
User can complete every personalized setting by operating keyboard 130.USB input interface 80 and USB output can be led to
Interface 90 realizes usb expansion function to connect computer, provides the extension of USB port, facilitates user to connect more USB peripherals, in addition
100 color of indicator light and effect can be directly arranged by USB input interface 80 in user on the input.
Backlight adjustment module 140 includes ADIM (simulation light modulation) terminal and PDIM (PWM tune in one of the embodiments,
Light) terminal.Multichannel backlight is supported to adjust, main control chip 40 dims Terminal control backlight illumination by ADIM under general mode, increases
Main control chip 40 controls switch time and the frequency of backlight chip by PDIM terminal under strong mode, Lai Shixian picture effect
It is promoted.In addition main control chip 40 guarantees that PDIM is synchronous with signal by internal synchronization circuitry, to reduce the flashing of picture.
The second aspect of the utility model embodiment provides a kind of display, including above-mentioned multifunction display circuit
Plate.
Above-mentioned multifunction display circuit board passes through setting single-chip microcontroller 60, turn for the USB multiport connecting with single-chip microcontroller 60
Hair device 70, is connect with the transponder 70 of USB multiport the USB input interface 80 connecting with the transponder 70 of USB multiport
USB output interface 90 can adjust the parameter on circuit board by USB input interface 80 to adjust backlight or adjust and indicate mould
The lightness colors of block can also pass through the information of main control chip 40 and single-chip microcontroller 60 on 90 reading circuit plate of USB output interface.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of multifunction display circuit board, which is characterized in that defeated including power module, at least one video for power supply
Incoming interface, audio input output interface, for audio-video conversion main control chip, be connected with the main control chip video output
Interface, the single-chip microcontroller being connected with the main control chip, the USB multiport being connect with the single-chip microcontroller transponder, with the USB
The USB input interface of the transponder connection of multiport, the USB output interface being connect with the transponder of the USB multiport and institute
The indicator light for stating single-chip microcontroller connection, the audio amplifier circuit being connected with the main control chip are connect with the audio amplifier circuit
Loudspeaker, the operation keyboard being connected with the main control chip and the backlight adjustment module being connected with the main control chip.
2. multifunction display circuit board as described in claim 1, which is characterized in that the video input interface includes at least
One HDMI interface and DP interface, the HDMI interface and the DP interface are connected with the main control chip.
3. multifunction display circuit board as described in claim 1, which is characterized in that the video output interface includes Vx1
Signal terminal and eDP signal terminal.
4. multifunction display circuit board as described in claim 1, which is characterized in that the backlight adjustment module includes ADIM
Terminal and PDIM terminal.
5. a kind of display, which is characterized in that including the described in any item multifunction display circuit boards of Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502284.4U CN208805799U (en) | 2018-09-12 | 2018-09-12 | Multifunction display circuit board and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502284.4U CN208805799U (en) | 2018-09-12 | 2018-09-12 | Multifunction display circuit board and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805799U true CN208805799U (en) | 2019-04-30 |
Family
ID=66237932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821502284.4U Active CN208805799U (en) | 2018-09-12 | 2018-09-12 | Multifunction display circuit board and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208805799U (en) |
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2018
- 2018-09-12 CN CN201821502284.4U patent/CN208805799U/en active Active
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