CN202533928U - Splicing display wall and splicing display wall system and intelligent display device - Google Patents
Splicing display wall and splicing display wall system and intelligent display device Download PDFInfo
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Abstract
The utility model discloses a splicing display wall used for displaying video signals provided by a computing terminal. The splicing display wall comprises a plurality of display units, wherein each display unit comprises a multimedia system and a display system. Each multimedia system comprises a processing module and a wired/wireless network transmission module connected with the processing module. Each processing module is connected with the display system. The computing terminal is connected with the wired/wireless network transmission module of each display unit in a communication mode to form a network, and allocates an independent internet protocol (IP) or an identity (ID) for each display unit. The processing module of each display unit respectively receives independent video picture information allocated to the corresponding IP or ID by the computing terminal, and the video picture information is sent to the display system of the corresponding display unit to be displayed.
Description
Technical field
The utility model relates to large screen display, particularly a kind of spliced display wall, display system and intelligent display device.
Background technology
In recent years; Public square, dispatching control center, Surveillance center, command centre, meeting room, studio; Places such as showroom, party background, shopping center are more and more general to the demand to large screen display; Requirement to screen size is also increasing, and array mode is also more and more flexible.Therefore the development of large-screen tv wall/combination is flourishing; But along with screen size increases, the quantity of splicing display unit increases, and the place environmental restraint makes and in the Installation and Debugging process of reality, has some significantly problems; Not only increase cost, also strengthened the difficulty of Installation and Debugging.
Present spliced display wall source video sequence is in computing machine, and existing a kind of scheme is to adopt video line directly to be connected in combination and computing machine, and is as shown in Figure 1.Another kind of scheme is, the vision signal transmitting-receiving two-end respectively increases the video network sending and receiving devices, is connected through wireless or cable video network between computing machine and the combination, and is as shown in Figure 2.
The direct-connected mode of common video line need be used expensive video-splicing treatment facility; The video-splicing treatment facility is cut apart the vision signal that receives and is generated independently video blocks and independently splice demonstration on the display unit at each; Simultaneously, this mode also need be arranged computing machine to the video line of the video-splicing treatment facility of making a start and receive the video line of the video-splicing treatment facility of end to each display unit, and expense and Installation and Debugging difficulty are higher; And receive the restriction of video line transmitting range; The length of generalized case VGA line can not surpass 30 meters, and HDMI/DVI is no longer than 15 meters, and in a single day video line length exceed distance range phenomenons such as float, discontinuous, hangover flicker will occur; Therefore, also limited distance between combination and the computing machine largely.
Between computing machine and combination, add mode wireless or the cable video network and equally also adopt the video-splicing treatment facility; But also to increase video network transmitting-receiving, conversion equipment; And present video receiving, conversion equipment design complicacy and cost an arm and a leg, simultaneously, even if adopt wireless network; Need arrange that still the video-splicing treatment facility is to the video line between each display unit of combination, so same problem still exists.
In addition; The multidimensional that begun present splicing large screen display device to develop into moves demonstration (the for example stage of CCTV Spring Festival Gala in this year); Some position of display unit no longer be fix but can need and often move and change along with scene; Even be not all to be adjacent splicing between unit and the unit, space length also maybe be distant between some unit.Therefore, the video-splicing treatment facility is also restricting the development of multidimensional display splicing to a great extent to the problem of video line between each display unit.
Splice the scheme of demonstration based on the video-splicing treatment facility, on the video-splicing processing links, also have certain shortcoming.
A bigger problem is; Because each display unit is an independently display device; Therefore brightness, the inconsistent situation of contrast the color uniformity coefficient appear, through regular meeting when a plurality of display units are stitched together demonstration; Cause the unfavorable problem of whole visual effect, often need the scene that the tangible display unit of difference is regulated one by one.Present way is to be connected respectively to display unit to controller through interfaces such as RS-232 to realize regulating and controlling; Often need patch the RS-232 line one by one back and forth if concatenation unit is more; Regulate the other unit of line again, what a unit; Operation makes that the adjusting control procedure is cumbersome with the band line in wiring repeatedly, becomes the link that splicing shows wastes time and energy in the Installation and Debugging process.
In addition; What common video-splicing treatment facility adopted is to be slit into some matrix images to the video average mark of input; Each matrix image can correspondingly be become irregular owing to cut apart back resolution; Video Segmentation like originally being 1920*1080 resolution becomes 6*6 matrix image in length and breadth, and the resolution of each matrix image is (1920/6) * (1080/6)=320*180 so, and the vision signal of this resolution does not meet video input standard; Can't be directly inputted on the display device; Therefore also to do video scaling and handle, be processed into standard compliant vision signal to the vision signal of little resolution, in the actual splicing treatment facility use because video can occur phenomenons such as certain distortion is perhaps asynchronous after cutting apart convergent-divergent and handling through a series of.
The utility model content
A purpose of the utility model is exactly the deficiency to prior art; A kind of spliced display wall is provided; Effectively solve circuit that video-splicing is handled and video transmission is required and the problem that equipment is many, expense is high, and display unit be not easy control and the adjusting problem.
Another purpose of the utility model provides a kind of spliced display wall system.
The another purpose of the utility model provides the intelligent display device that is used for said spliced display wall.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of spliced display wall; Be used to show the vision signal that provides by computing terminal; Said spliced display wall comprises a plurality of display units, it is characterized in that, each display unit comprises the multimedia system display system of unifying; Said multimedia system comprises processing module and the wire/radio network transport module that links to each other with said processing module; Said processing module connects said display system, and said computing terminal and the wire/radio network transport module of each display unit are communicated by letter and be connected and form network, and are each display unit distributing independent IP or ID.
Said display system is that digital light is handled formula or LCD formula or liquid crystal on silicon formula or plasma formula or LED-type display device.
Said display system is a projection display system.
Said display unit also is included as the said display system outer video signal input interface of configuration in addition.
Said wire/radio network transport module is ethernet module or WIFI module or telephone network module, and said multimedia system also comprises one or more in the USB interface that links to each other with said processing unit, infrared remote control interface, SD card, hard-disk interface, the flash disk interface.
The said multimedia system said display system of unifying connects through I2C or UART or GPIO or IR mode.
The said multimedia system said display system of unifying all has the infrared remote control interface, and each infrared remote control interface is shared an infrared receiving terminal; The perhaps said multimedia system said display system of unifying only one has the infrared remote control interface; Perhaps said display unit also is provided with and is specifically designed to the microcontroller that receives and distribute remote control mode.
A kind of spliced display wall system is characterized in that comprise computing terminal and said spliced display wall, said computing terminal is communicated by letter with said spliced display wall and is connected.
A kind of intelligent display device that is used for spliced display wall comprises the multimedia system display system of unifying, and said multimedia system comprises processing module and the wire/radio network transport module that links to each other with said processing module, and said processing module connects said display system.
Said display system is a projection display system.
The useful technique effect of the utility model is:
According to the utility model; Each display unit of spliced display wall different from the past only is responsible for receiving video signals and is shown; Each display unit of the spliced display wall of the utility model comprises the multimedia system display system of unifying; Multimedia system has processing unit and wire/radio network transport module again, thus constitute one can wired or wireless mode and computing terminal (like computing machine, smart mobile phone, panel computer etc.) form the intelligent display device of LAN.Computing terminal is that each display unit in the network distributes independently an IP and an ID; Displaying video on computing terminal is when (comprising dynamic video and static picture); Can be divided into picture displayed in video such as desktop or any window and display unit corresponding cells lattice through software, and every lattice video content provided and delivered to the display unit with corresponding IP/ID by IP/ID.Because each display unit has the multimedia system that comprises processing unit; Be equivalent to a computing terminal equally, so each display unit content of computing terminal being play with the mode of Long-distance Control (like the VNC technology) that can match with computing terminal shows.Ready-portioned video content correspondence on the computing terminal is transferred to the intelligent display unit of specified network IP/ID; On the one hand; No longer need expensive video-splicing equipment; Also saved heavy video line between video-splicing equipment and each display unit, the expense that has reduced mounting arrangements largely (comprises cost and installation thereof, the layout of equipment, circuit itself, the cost that maintenance brought; It is little a lot of that display unit is set up the expense that expense that multimedia system brings saves with respect to reducing video line to arrange) and difficulty; On the other hand; Because can carrying out IP/ID through the software above the computing terminal at an easy rate, distributes video; So can also momentarily freely switch, partition is right flexibly to realize video, makes combination have more display mode and combination.
Based on such scheme, the utility model can also effectively solve the control and the adjusting problem of display unit.
The video-splicing treatment facility that employing different from the past is extra; Computing terminal one side; For example on desk-top computer/notebook computer or other handheld devices (smart mobile phone, panel computer etc.); Can directly regulate the video pictures of assigned ip/ID at any time, just utilize Control Software such as VNC and software kit easily to realize adjusting and control tasks such as frame compensation, calibration in the intelligent display unit of correspondence, because present software engineering such as VNC itself just possessed remote control function; And multimedia system can be controlled the display system content displayed in the intelligent display unit; Therefore computing terminal can long-distance controlling multimedia system and then control display system, thereby does not need opertaing devices of some special control display units of extra adding, also need not connect the data line operation; Make a whole set of splice displaying system intelligent, more simple more.
Multimedia system is unified after display system organically is combined into unified intelligent display unit; Display unit itself directly receives the network video signal that computing terminal sends over through network, and directly shows (similar daily computer is watched Online Video) through operating software.Therefore, as long as distribute the video content of demonstration through software at computing terminal, add the data buffering setting, each display unit just can smoothly show the video of appointment and can guarantee the synchronism that all display unit pictures show.
In vision signal before Network Transmission; Computing terminal is handled through Video Segmentation original Video Segmentation is become the matrix video, and (for example, the Video Segmentation of original 1920*1080 becomes the video of 6*6 matrix so the true resolution of each matrix video is less relatively; The resolution of corresponding single video has only 320*180); It is also corresponding less in transmission course, to take the network bandwidth, therefore even transmit the data stream of a plurality of matrix videos simultaneously, also can not cause network congestion.Present Network Video Transport Technology can reach the HD video transmission of 1280*720 easily at wide area network, and computing terminal generally is to form LAN with each display unit in the utility model, so is easy to satisfy the requirement of high data transmission rate.And as the intelligent display unit with multimedia system, himself can make its conformance with standard to carry out processing such as video scaling as the vision signal of this resolution of 320*180, avoids occurring distortion or phenomenon such as asynchronous.
Description of drawings
Fig. 1 is that known combination and computing machine adopts the direct-connected system architecture synoptic diagram of video line;
Fig. 2 system architecture synoptic diagram that to be known combination be connected through network with computing machine;
Fig. 3 is the system architecture synoptic diagram that the embodiment (display unit only is shown) of the utility model spliced display wall is connected with computing machine;
Fig. 4 and Fig. 5 are the displaying principle synoptic diagram of the utility model spliced display wall;
Fig. 6 adopts the intelligent display device of DLP projection display system for the utility model;
Fig. 7 adopts the intelligent display device of LCD/LCOS display system for the utility model;
Fig. 8 is the structural representation of a kind of remote control scheme of the utility model intelligent display device.
Embodiment
Below combine accompanying drawing that the utility model is further specified through embodiment.
See also Fig. 3-Fig. 5; Spliced display wall is used to the vision signal that shows that computing terminal provides; In an embodiment, spliced display wall comprises a plurality of display units (display unit only is shown among Fig. 3 and Fig. 4), and each display unit comprises the multimedia system display system of unifying; Said multimedia system comprises processing module and the wire/radio network transport module that links to each other with said processing module; Said processing module connects said display system, and said computing terminal and the wire/radio network transport module of each display unit are communicated by letter and be connected and form network, form a LAN usually; And be the ID that each display unit distributing independent IP or networking are used; In spliced display wall when work,, it is the independent vide image information that corresponding IP or ID are distributed that the processing module of each display unit receives said computing terminal respectively, and the display system of delivering to respective display unit shows.
The said multimedia system said display system of unifying can connect through modes such as I2C or UART or GPIO or IR, realizes mutual communication and control.
Display system can be the display device that digital light is handled (DLP) or LCD (LCD) or liquid crystal on silicon (LCOS) or plasma (PDP) or light emitting diode (LED) type.In some preferred embodiments, display system is a projection display system.
Computing terminal can be desk-top computer, notebook computer or other handheld devices such as smart mobile phone, panel computer etc.
Like Fig. 4 and shown in Figure 5; Each independent vide picture is its desktop or the current institute of at least one window interface content displayed to be carried out Video Segmentation and the matrix video that obtains by said computing terminal (for example computing machine or mobile phone); Each matrix video is as the video pictures of distributing to corresponding IP or ID; Be sent to and IP or the corresponding display unit of ID through wired or wireless LAN, the multimedia system in the display unit receives vision signal with it and delivers to the display system demonstration.The array that a plurality of such display units are formed is spliced into a big display screen, and the each several part video content together is presented on the giant-screen.These video contents both can be split by same picture (for example whole desktop or some broadcast windows); Also can be the different video picture of playing or showing in the different windows on the computing terminal, therefore can on giant-screen, present diversified display mode and displaying contents easily.Distribute the video content of demonstration through software at computing terminal, preferably, add the data buffering setting, each display unit just can smoothly show the video of appointment and can guarantee the synchronism that all display unit pictures show.
In preferred embodiment, each independent vide picture is based on the display unit of correspondence that virtual network computing machine VNC Long-distance Control mode realizes showing.Because each display unit has the multimedia system that comprises processing unit; Be equivalent to a computing terminal in the network equally; Therefore each display unit can match mode with Long-distance Control with computing terminal (like VNC; Virtual Network Computing, i.e. virtual network computer technology) content that computing terminal is play shows.Computing terminal one side; As on desk-top computer or panel computer; Can directly regulate the video pictures of specified network IP/ID at any time, just utilize Control Software such as VNC and software kit easily to realize adjusting and control tasks such as frame compensation, calibration in the intelligent display unit of correspondence.Simultaneously; Because present software engineering such as VNC itself just possessed remote control function; And multimedia system can be controlled the display system content displayed in the intelligent display unit, so computing terminal can long-distance controlling multimedia system and then control display system.
At one more specifically in the instance, VNC software is installed all on personal computer and multimedia system.VNC belongs to a kind of display system, can a complete window interface in terminal be passed through Network Transmission to the screen of another station terminal, realizes that interconnection is interactive between the intelligent display device.According to the utility model, computing machine, equipment such as mobile phone, panel computer can also directly be controlled display unit through VNC, with itself desktop through like the Wifi Network Transmission above display unit, perhaps display unit follows equipment such as computing machine to carry out interaction.Since desktop above the computing machine, window interface through cable network or wireless network transmissions to display unit; The video of computing machine and projector just is connected and can passes through Network Transmission like this; No longer need video line; And use wireless network just can realize wireless video transmission, to installing and using and bring very big facility.
In other embodiment, each independent vide picture also can be realized showing on the display unit of correspondence based on Streaming Media Online Video broadcast mode (for example with the transmission of a broadcast mode or broadcast mode and play the Online Video from computing terminal).
Typically; Before Network Transmission, computing terminal is handled through Video Segmentation original Video Segmentation is become the matrix video in vision signal, and the matrix video true resolution of acquisition is less relatively; For example the Video Segmentation with the 1920*1080 original resolution becomes 6*6 matrix image in length and breadth; Video resolution is 320*180), these matrix videos take the network bandwidth in transmission course less, when LAN transmits simultaneously, can not cause choking phenomenon on the network.Multimedia system in the display unit receives the vision signal of 320*180 resolution, can carry out Video processing and make its conformance with standard deliver to display system again to show, effectively avoids occurring distortion or phenomenon such as asynchronous.
Intelligent display device shown in Figure 6 is as a display unit; The display system of intelligent display device can be that digital light is handled formula DLP optical projection system; Intelligent display device also comprises digital video signal receiving element and analog video signal receiving element; In the multimedia system of intelligent display device; Processing module is connected to digital video signal interface and analog video signal interface, and digital video signal interface can send digital video signal to the DLP projecting cell through the digital video signal receiving element, and the analog video signal interface can send analog video signal to the DLP projecting cell through the analog video signal receiving element.Digital video signal can be like any vision signals such as DVI, HDMI, Display Port.Analog video signal can be like any vision signal such as CVBS, S-Video, VGA, YPbPr.Multimedia system can also directly be sent the RGB888/LVDS vision signal to the DLP projecting cell through pixel data bus.Do not have under the situation of high-impedance state at the RGB888/LVDS of multimedia system interface, easily other video input block is caused interference, therefore, preferably between RGB888/LVDS interface and pixel data bus, add switch element and disturb to avoid bus signals.
In the intelligent display device shown in Figure 7; Display system also can adopt LCD as mentioned above (LCD) or plasma (PDP) or light emitting diode display devices such as (LED); If as projector; Can also adopt liquid crystal on silicon formula (LCOS) optical projection system; The processing module of multimedia system can be directly sent vision signal through bus to the display panel driver element of projector, and then driver element directly drives panel and carries out pixel and show, cooperates backlight picture to be shown.In the present embodiment, the display panel driver element is simple conversion of signals chip, and itself need not possess operating system, and software and hardware is realized all simply a lot than the system that adopts DLP.Multimedia system can directly be sent the RGB888/LVDS vision signal to the display panel driver element through pixel data bus equally.
Like Fig. 6 and shown in Figure 7, intelligent display device also is included as the outer video signal input interface that optical projection system wherein disposes in addition.Thus, except accepting the vision signal from computing terminal, intelligent display device can also be imported from other vision signal of outer video signal input interface and show, thereby has increased the diversity that the spliced display wall video source is selected.
Said wire/radio network transport module can be ethernet module or WIFI module or telephone network module, and said multimedia system can also comprise one or more in the USB interface that links to each other with said processing unit, infrared remote control interface, SD card, hard-disk interface, the flash disk interface.
The multimedia system display system of unifying is not limited to adopt separately independently chip to realize; In some embodiment; The As IC development of technology; The multimedia system display system of unifying also can be integrated on the System on Chip/SoC (be about to multimedia is handled and Presentation Function is integrated on single the process chip), for example, and among Fig. 6 or Fig. 7 on all integrated chip of module.That is, intelligent display device of the present invention does not limit wherein number of chips and array configuration.
In one embodiment, the multimedia system operation system separately that unifies on the DLP optical projection system, in order to reach operation ease, configuration below the optional usefulness:
The said multimedia system said DLP optical projection system of unifying can all have the infrared remote control interface; Each infrared remote control interface is shared an infrared receiving terminal, gives which infrared remote control interface through the different remote control modes of the key assignments of telepilot being distinguished the remote control mode correspondence that infrared receiving terminal receives.Specifically; With multimedia system unify optical projection system infrared input interface and receive one above the infrared receiving terminal together; Represent optical projection system and optical projection system menu button respectively and divide two menu key districts above the telepilot, receive the remote control mode that different key sends like this and can avoid interference phenomenon.
The said multimedia system said optical projection system of unifying also can be only one has the infrared remote control interface, just makes up through bus level when a system receives the remote signal that does not belong to self or mode that remote control mode is transmitted is notified another system.Specifically, receive telecontrol code by a system wherein, just make up through I2C, UART, GPIO level then or mode such as IR remote control mode forwarding with another system communication, reach the effect of another system of remote control indirectly.Adopt this mode, can seamless switching above the telepilot menu shows, the one sense is stronger.
As shown in Figure 8, intelligent display device also can comprise the MCU that is specifically designed to reception and distributes remote control mode.Specifically; Unify between the optical projection system at multimedia system and to add a MCU; Receive remote control mode (can pass through mode and two system communications such as I2C, UART, the combination of GPIO level respectively simultaneously) specially, be forwarded to the instruction of receiving through the analog telecommand sign indicating number system of correspondence according to the state of device menus respectively.MCU serves as a control module of realizing two system communications, and compared with the mode of another system of remote control of system, the procedure development design is simple relatively, and simultaneously, the power supply of all right management and control two systems of MCU is realized the standby super low-power consumption.
Except using IR remote control control, can also connect equipment such as USB key mouse and control the multimedia system display system of unifying.
On the other hand, the utility model also discloses a kind of spliced display wall system, and it comprises computing terminal and the spliced display wall of being made up of the intelligent display device of a plurality of aforementioned arbitrary embodiment.
Aspect another, the utility model also discloses a kind of intelligent display device.Referring to Fig. 3, said intelligent display device comprises the multimedia system display system of unifying, and said multimedia system comprises processing module and the wire/radio network transport module that links to each other with said processing module, and said processing module connects said display system.During use; Said intelligent display device can be communicated by letter with the computing terminal that vision signal is provided through said wire/radio network transport module and is connected; Forming by a plurality of intelligent display devices in the application of spliced display wall; A plurality of intelligent display devices and computing terminal are formed network; Each intelligent display device obtains the independently IP or the ID that are distributed by said computing terminal, and the processing module in the intelligent display device receives the independent vide image information that said computing terminal is distributed for this IP or ID, and delivers to said display system and show.Said display system for example is a projection display system.
Intelligent display device more specifically embodiment such as preamble description.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. spliced display wall; Be used to show the vision signal that provides by computing terminal; Said spliced display wall comprises a plurality of display units, it is characterized in that, each display unit comprises the multimedia system display system of unifying; Said multimedia system comprises processing module and the wire/radio network transport module that links to each other with said processing module; Said processing module connects said display system, and said computing terminal and the wire/radio network transport module of each display unit are communicated by letter and be connected and form network, and are each display unit distributing independent IP or ID.
2. spliced display wall as claimed in claim 1 is characterized in that, said display system is that digital light is handled formula or LCD formula or liquid crystal on silicon formula or plasma formula or LED-type display device.
3. according to claim 1 or claim 2 spliced display wall is characterized in that said display system is a projection display system.
4. according to claim 1 or claim 2 spliced display wall is characterized in that, said display unit also is included as the said display system outer video signal input interface of configuration in addition.
5. according to claim 1 or claim 2 spliced display wall; It is characterized in that; Said wire/radio network transport module is ethernet module or WIFI module or telephone network module, and said multimedia system also comprises one or more in the USB interface that links to each other with said processing unit, infrared remote control interface, SD card, hard-disk interface, the flash disk interface.
6. according to claim 1 or claim 2 spliced display wall is characterized in that, the said multimedia system said display system of unifying connects through I2C or UART or GPIO or IR mode.
7. according to claim 1 or claim 2 spliced display wall is characterized in that, the said multimedia system said display system of unifying all has the infrared remote control interface, and each infrared remote control interface is shared an infrared receiving terminal; The perhaps said multimedia system said display system of unifying only one has the infrared remote control interface; Perhaps said display unit also is provided with and is specifically designed to the microcontroller that receives and distribute remote control mode.
8. a spliced display wall system is characterized in that, comprises computing terminal and like each described spliced display wall of claim 1 to 7, said computing terminal is communicated by letter with said spliced display wall and is connected.
9. intelligent display device that is used for spliced display wall; It is characterized in that; Comprise the multimedia system display system of unifying, said multimedia system comprises processing module and the wire/radio network transport module that links to each other with said processing module, and said processing module connects said display system.
10. intelligent display device as claimed in claim 9 is characterized in that, said display system is a projection display system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220087405XU CN202533928U (en) | 2012-03-09 | 2012-03-09 | Splicing display wall and splicing display wall system and intelligent display device |
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| CN201220087405XU CN202533928U (en) | 2012-03-09 | 2012-03-09 | Splicing display wall and splicing display wall system and intelligent display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093054A (en) * | 2014-06-19 | 2014-10-08 | 深圳市奥蕾达科技有限公司 | Network intelligence display control system |
| CN104167183A (en) * | 2014-08-27 | 2014-11-26 | 广东威创视讯科技股份有限公司 | LED splicing wall topology intelligent identification method and device |
| CN106293586A (en) * | 2016-08-24 | 2017-01-04 | 广东王牌网络科技有限公司 | A kind of the Internet splice displaying system |
-
2012
- 2012-03-09 CN CN201220087405XU patent/CN202533928U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093054A (en) * | 2014-06-19 | 2014-10-08 | 深圳市奥蕾达科技有限公司 | Network intelligence display control system |
| CN104093054B (en) * | 2014-06-19 | 2018-04-06 | 深圳市奥蕾达科技有限公司 | Network intelligence display control program |
| CN104167183A (en) * | 2014-08-27 | 2014-11-26 | 广东威创视讯科技股份有限公司 | LED splicing wall topology intelligent identification method and device |
| CN104167183B (en) * | 2014-08-27 | 2016-08-24 | 广东威创视讯科技股份有限公司 | A kind of LED spells wall topological smart recognition methods and device |
| CN106293586A (en) * | 2016-08-24 | 2017-01-04 | 广东王牌网络科技有限公司 | A kind of the Internet splice displaying system |
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