CN207752739U - display device with splicing function - Google Patents
display device with splicing function Download PDFInfo
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- CN207752739U CN207752739U CN201820171237.XU CN201820171237U CN207752739U CN 207752739 U CN207752739 U CN 207752739U CN 201820171237 U CN201820171237 U CN 201820171237U CN 207752739 U CN207752739 U CN 207752739U
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- signal conversion
- driving plate
- display device
- conversion chip
- display
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Abstract
The utility model is related to the display devices that a kind of band splices function, including：At least one display screen, power supply, driving plate are spliced by driving plate between at least two display screen, and the power supply is powered to the display device；The driving plate is equipped with：DP input interfaces, DP output interfaces, the first signal conversion chip, second signal conversion chip, microcontroller, HDMI conversion chips, fpga chip, memory, picture signal conversion chip, HDMI switcher, LCD driving chips, the LVDS interface in the driving plate connect display screen.Multiple display screens are directly attached by the utility model by the DP interfaces in driving plate, it is not only simple to operate to lower project cost, in addition to this, pass through DP mouthfuls of output 4K video sources, absolute point-to-point display is carried out on a display screen, improves the screen definition of mosaic screen.
Description
Technical field
The utility model belongs to display technology field, and in particular to a kind of display device of band splicing function.
Background technology
It in daily life, carries for the convenience of the users, so the portable display device such as mobile phone is usually not
Greatly, therefore it can show that the range of information will not be too big, however, in some cases, for example, when user thinks showing
Shown word is too small so that it cannot see on screen, and user needs to show that screen can show enough information again
And when being not intended to hide other information, it may be necessary to larger indication range.
In the related technology, the connection type of mosaic screen is usually shown (DP, DisplayPort) in the high-definition digital of video card
Interface connects one and turns the pipe coupling of other interfaces, then to access corresponding video matrix distributor or splicing device etc. intermediate connects
Connection device accesses display screen again later, and the conversion head or other intermediate junction devices used not only increases project cost,
And the probability of failure of device systems is increased, conversion head is easily lost behind the video card of high power height heat dissipation and leads to video
Signal is not normal.
Utility model content
In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art, a kind of band splicing function is provided
Display device is to solve the screen picture that existing display device needs external device ability mosaic display screen and mosaic display screen
The low problem of element.
In order to achieve the above object, utility model adopts the following technical scheme that：A kind of display device of band splicing function, packet
It includes：At least one display screen, power supply, driving plate are spliced by driving plate between at least two display screen, the power supply to
The display device power supply；
The driving plate is equipped with：DP input interfaces, DP output interfaces, the first signal conversion chip, second signal conversion
Chip, microcontroller, HDMI conversion chips, fpga chip, memory, picture signal conversion chip, HDMI switcher, LCD drive
LVDS interface on dynamic chip, the driving plate connects display screen；
The first signal conversion chip turns with the DP input interfaces, second signal conversion chip and HDMI respectively
The connection of chip one end is changed, the second signal conversion chip is connect with microcontroller and DP output interfaces respectively, the HDMI
The conversion chip other end is connect with described fpga chip one end, and the fpga chip connects with described image signal conversion chip one end
It connects, the described image signal conversion chip other end is connect with the LCD driving chips, the LCD driving chips and the HDMI
Switch connects, and is connected by serial ports between the fpga chip and the LCD driving chips, the LVDS in the driving plate connects
Mouth connection display screen.
Further, it is additionally provided in the driving plate
USB interface, AV interfaces, serial ports and IR interfaces；
The USB interface, AV interfaces, serial ports and IR interfaces are connect with 2 chip of LCD driving plates.
Further, the display screen includes：
Display panel and back light system, the back light system provide light for the display panel；In the driving plate
LVDS interface is connect with the display panel.
Further, the driving plate further includes：
Memory, for storing image buffer storage, the memory is connect with the fpga chip.
Further, the display screen is touch screen.
Further, it is equipped with camera at the top of the display screen.
Further, it is connected by multi-directional ball between the camera and the display screen.
Further, the model L78712 that the first signal conversion chip uses.
Further, the model L79721 that the second signal conversion chip uses.
Further, the model V59 that the LCD driving chips use.
The utility model uses above technical scheme, and an attainable advantageous effect includes：
A kind of display device of band splicing function provided by the embodiments of the present application, will be multiple by the DP interfaces in driving plate
Display screen is directly attached, not only simple to operate to lower project cost, in addition to this, is regarded by DP mouthfuls of output 4K
Frequency source carries out absolute point-to-point display, improves the screen definition of mosaic screen on a display screen.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the display device that a kind of band of the utility model splices function；
Fig. 2 is the structural schematic diagram of the utility model driving plate.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The specific display device with splicing function of one provided in the embodiment of the present application is provided below in conjunction with the accompanying drawings.
As shown in Figure 1, at least one display screen 1, power supply (not shown), driving plate 2, at least one display screen
Spliced by driving plate 2 between 1；
As shown in Fig. 2, the driving plate 2 includes：High-definition digital shows that (DP, DisplayPort) input interface 21, DP are defeated
Outgoing interface 22, the first signal conversion chip 23, second signal conversion chip 24, microcontroller 25, high-definition multimedia
(HDMI, High Definition Multimedia Interface) conversion chip 26, algorithm process (FPGA, Field-
Programmable Gate Array) chip 27, picture signal conversion chip 2828, LCD (Liquid Crystal
Display) driving chip 29, HDMI switcher 210, voltage differential signal (LVDS, Low-Voltage in the driving plate 2
Differential Signaling) the connection display screen 1 of interface 211；
The first signal conversion chip 23 respectively with the DP input interfaces 21, second signal conversion chip 24 and
26 one end of HDMI conversion chips connects, the second signal conversion chip 24 respectively with the first signal conversion chip 23, micro-
Controller 25 and DP output interfaces 22 connect, and 26 other end of HDMI conversion chips connects with 27 one end of the fpga chip
It connects, the fpga chip 27 is connect with 28 one end of described image signal conversion chip, and described image signal conversion chip 28 is another
End connect with the driving plate 2, the LCD driving chips 29 are connect with the HDMI switcher 210, the fpga chip 27 and
It is connected by serial ports between the LCD driving chips 29, the low LVDS interface 211 in the driving plate 2 connects display screen.
Specifically, DP input interfaces 21, for inputting DP signals, DP output interfaces 22, for exporting DP signals, the DP
Input interface 21 and the DP output interfaces 22 are for the connection between at least one display screen；
DP interfaces are high-definition digital display interfaces, can connect computer and display, can also connect computer and family's shadow
Institute.
First signal conversion chip 23, for DP signals to be converted to HDMI signals and the HDMI signals are divided into first
HDMI signals and the 2nd HDMI signals；
Second signal conversion chip 24, for the first HDMI signals to be converted to DP signals；
First HDMI signals of input are converted into DP letters by microcontroller 25 for controlling second signal conversion chip 24
Number.
HDMI conversion chips 26, for the 2nd HDMI signals to be converted to RGB444 signals and are transmitted to fpga chip
27 do image decoding cutting；
Fpga chip 27, after the image for carrying out the feeding of HDMI conversion chips 26 carries out cutting split screen, with LVDS signals
It is sent to picture signal conversion chip 28；
Picture signal conversion chip 28, for LVDS signals to be converted to digital video (DVI, Digital Visual
Interface) signal is sent to LCD driving chips 29；Picture signal conversion chip 28 is compatible with SD and high clear screen, and compatibility is more
By force, easy to use, it is the good tool that numerous maintenance technicians repair tablet mainboard.1366*768/1024*768 is supported comprehensively
The input of LVDS signals, output is unified for the VGA signals of 60HZ.
LCD driving chips 29, the final process for 2 system signal of driving plate and display screen driving, serial communication, switching
Control；
HDMI switcher 210, for switching the 2nd HDMI signals and DVI signals in LCD driving chips；It can be to two-way
Signal source carries out free switching.
HDMI switcher 2102 cuts 1：Its effect is to show in two paths of signals source at one to play in equipment and be remotely controlled freedom
Switching.HDMI switcher 210 can connect multiple high-definition signal sources and a high-definition signal end.It can be easily
Two road high-definition signal sources are freely switched in a high-clear display or projector.
Fpga chip 27 is connect with LCD driving chips 29 by serial ports；The image that fpga chip 27 is used to come DP feedings
After carrying out cutting split screen, picture signal conversion chip 28 is sent to LVDS signals, picture signal conversion chip 28 believes LVDS
It is sent to LCD driving chips 29 after number being converted into DVI signals.LCD driving chips 29 are by DVI, HDMI, Composite Video Baseband Signal
(CVBS, Composite Video Broadcast Signal), universal serial bus (USB, Universal Serial
) etc. Bus image is sent to screen with LVDS aspects after signals decoding.
The utility model is handled using fpga chip 27, by the resolution ratio of 3840X2160 30HZ, cuts into 4
1920X1080 60HZ are output to each HD screens and show, realize that 2X2 splices point-to-point display.So that mosaic screen is not in picture
The unsharp phenomenon in face.
The utility model does not rely on other equipment, and list DP interfaces is supported to export 4K (resolution ratio 3840*2160, refresh rate
For 60Hz) video source,
In some embodiments, the model L78712 of the first signal conversion chip 23 use；
The model L79721 that the second signal conversion chip 24 uses；
The model V59 that LCD driving chips 29 use.
A kind of working method of the display device of band splicing function is to pass through 21 He of DP input interfaces between multiple display screens
DP output interfaces 22 are spliced in such a way that DP signal wires connect, and the DP input interfaces 21 of first display screen connect computer and show
Card, the DP output interfaces 22 of first display screen connect the DP input interfaces 21 of next display screen.
In some embodiments, USB interface, AV interfaces, serial ports and IR interfaces are additionally provided in the driving plate 2.
USB interface, AV interfaces, serial ports and IR interfaces can be used for connecting some other equipment in display screen
Upper broadcasting.
In some embodiments, the display screen 1 includes：
Display panel and back light system；LVDS interface 211 in the driving plate 2 is connect with the display panel.
Optionally, the driving plate 2 further includes：
Memory 212, for storing image buffer storage, the memory 212 is connect with the fpga chip 27.
Memory 212 uses Double Data Rate synchronous dynamic random processor.
Optionally, display screen 1 uses touch screen.
Optionally, 1 top of display screen is equipped with camera, and camera can be used for carrying out video pair with other users in networking
Words.
Optionally, it is connected by multi-directional ball between the camera and the display screen 1.
In conclusion the display device of band splicing function provided by the utility model reduces link of plugging by driving plate,
So that DP signals directly enter to shield and distribute automatically between group of screens, to increase project stability, cost is reduced, except this it
Outside, the utility model can be such that the performance of high-end multi-screen video card plays completely, enable single computer in greater number of spelling
It connects in screen group, is shown with maximum resolution ratio, keep image sharpness.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of display device of band splicing function, which is characterized in that including：At least one display screen, power supply, driving plate, institute
It states and is spliced by driving plate between at least two display screens, the power supply is powered to the display device；
The driving plate is equipped with：DP input interfaces, DP output interfaces, the first signal conversion chip, second signal conversion chip,
Microcontroller, HDMI conversion chips, fpga chip, memory, picture signal conversion chip, HDMI switcher, LCD drive core
LVDS interface on piece, the driving plate connects display screen；
The first signal conversion chip converts core with the DP input interfaces, second signal conversion chip and HDMI respectively
Piece one end connects, and the second signal conversion chip is connect with microcontroller and DP output interfaces respectively, the HDMI conversions
The chip other end is connect with described fpga chip one end, and the fpga chip is connect with described image signal conversion chip one end,
The described image signal conversion chip other end is connect with the LCD driving chips, and the LCD driving chips switch with the HDMI
Device connects, and is connected by serial ports between the fpga chip and the LCD driving chips, and the LVDS interface in the driving plate connects
Connect display screen.
2. the display device of band splicing function according to claim 1, which is characterized in that be additionally provided in the driving plate
USB interface, AV interfaces, serial ports and IR interfaces；
The USB interface, AV interfaces, serial ports and IR interfaces are connect with LCD driving board chips.
3. the display device of band according to claim 1 splicing function, which is characterized in that the display screen includes：
Display panel and back light system, the back light system provide light for the display panel；LVDS in the driving plate
Interface is connect with the display panel.
4. the display device of band according to claim 1 splicing function, which is characterized in that the driving plate further includes：
Memory, for storing image buffer storage, the memory is connect with the fpga chip.
5. the display device of band splicing function according to claim 1, which is characterized in that the display screen is touch screen.
6. the display device of band splicing function according to claim 1, which is characterized in that be equipped with and take the photograph at the top of the display screen
As head.
7. the display device of band splicing function according to claim 6, which is characterized in that the camera and the display
It is connected by multi-directional ball between screen.
8. the display device of band splicing function according to claim 1, which is characterized in that the first signal conversion chip
The model L78712 of use.
9. the display device of band splicing function according to claim 1, which is characterized in that the second signal conversion chip
The model L79721 of use.
10. the display device of band splicing function according to claim 1, which is characterized in that the LCD driving chips use
Model V59.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171237.XU CN207752739U (en) | 2018-01-31 | 2018-01-31 | display device with splicing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171237.XU CN207752739U (en) | 2018-01-31 | 2018-01-31 | display device with splicing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207752739U true CN207752739U (en) | 2018-08-21 |
Family
ID=63154416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820171237.XU Active CN207752739U (en) | 2018-01-31 | 2018-01-31 | display device with splicing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207752739U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010016A (en) * | 2019-03-28 | 2019-07-12 | 苏州佳世达电通有限公司 | Display panel |
| CN114023203A (en) * | 2021-11-29 | 2022-02-08 | Tcl华星光电技术有限公司 | Spliced screen driving framework and driving method |
| WO2022048089A1 (en) * | 2020-09-04 | 2022-03-10 | 威创集团股份有限公司 | Control system for video display |
| CN114495851A (en) * | 2020-11-11 | 2022-05-13 | 咸阳彩虹光电科技有限公司 | Display device |
| CN115273654A (en) * | 2021-04-30 | 2022-11-01 | 海信视像科技股份有限公司 | Display device |
| WO2023000928A1 (en) * | 2021-07-21 | 2023-01-26 | 广州朗国电子科技股份有限公司 | Fault detection method for tiled screen, and medium, product and system |
-
2018
- 2018-01-31 CN CN201820171237.XU patent/CN207752739U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010016A (en) * | 2019-03-28 | 2019-07-12 | 苏州佳世达电通有限公司 | Display panel |
| WO2022048089A1 (en) * | 2020-09-04 | 2022-03-10 | 威创集团股份有限公司 | Control system for video display |
| CN114495851A (en) * | 2020-11-11 | 2022-05-13 | 咸阳彩虹光电科技有限公司 | Display device |
| CN115273654A (en) * | 2021-04-30 | 2022-11-01 | 海信视像科技股份有限公司 | Display device |
| CN115273654B (en) * | 2021-04-30 | 2024-05-03 | 海信视像科技股份有限公司 | Display device |
| WO2023000928A1 (en) * | 2021-07-21 | 2023-01-26 | 广州朗国电子科技股份有限公司 | Fault detection method for tiled screen, and medium, product and system |
| CN114023203A (en) * | 2021-11-29 | 2022-02-08 | Tcl华星光电技术有限公司 | Spliced screen driving framework and driving method |
| US12073141B2 (en) | 2021-11-29 | 2024-08-27 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display wall driving system and driving method |
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