CN105376537A - Control system of LED display, television, and display control system - Google Patents
Control system of LED display, television, and display control system Download PDFInfo
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- CN105376537A CN105376537A CN201510886412.4A CN201510886412A CN105376537A CN 105376537 A CN105376537 A CN 105376537A CN 201510886412 A CN201510886412 A CN 201510886412A CN 105376537 A CN105376537 A CN 105376537A
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Abstract
The invention discloses a control system of an LED display, a television, and a display control system. The control system of the LED display comprises a control panel, a controller, and a serial digital interface, wherein the controller is arranged on the control panel and used for processing display data; the serial digital interface is integrated onto the control panel, connected with the controller, and connected to the LED display through a coaxial cable. The invention solves the technical problem that data transmission of the LED display by means of a network cable is less stable.
Description
Technical field
The present invention relates to LED field, in particular to a kind of control system of LED display, TV and display control program.
Background technology
Current LED display is widely used in various public information display field, such as the information bulletin of hotel lobby, airport, movie theatre, hospital etc., and the indoor place such as corporate image publicity, Cultural relics in museum displaying, meeting room, club, market, hall, and the LED television of a new generation has also started to develop to family expensesization, nowadays LED television also replaces LCD TV gradually and becomes main flow gradually, and application prospect is very extensive.The signal transmission form that existing LED display product is widely used or traditional, namely netting twine mode carries out transfer of data.
But, for LED display, use existing network cable transmission data to have following weak point:
1. netting twine connecting-disconnecting interface stability is good not, and because LED display needs regular plug sometimes, interface easily damages, and the connector connection of interface neither be very firm;
2. network cable transmission data stability is good not, and LED display transmitted data amount is comparatively large, needs enough large data bandwidth, requires higher, need the lower error rate to the transmission stability of signal;
3. good not to high/low temperature change tolerance, require that when high/low temperature changes signal still has excellent stability;
4. the requirement of cable is higher, and stable signal transmission be made reliable, and need the six class netting twines that surpass using band shielding to realize, cost is higher;
5. make the cost up of circuit board, circuit board needs the network interface connector using network interface chip, network transformer and band auto-lock function.
For the problem that LED display network cable transmission data stability is poor, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of control system of LED display, TV and display control program, at least to solve the poor technical problem of LED display network cable transmission data stability.
According to an aspect of the embodiment of the present invention, provide a kind of control system of LED display, comprising: control board; Controller, is arranged on described control board, for processing display data; Serial digital interface, is integrated on described control board, is connected with described controller, be connected on described LED display by coaxial cable.
Further, described control board comprises: master board and multiple points of control boards, and described controller comprises: master controller and multiple sub-controller, wherein, described master controller is arranged in described master board, and each described point control board is provided with sub-controller described at least one.
Further, described master controller is connected with each described sub-controller respectively by described coaxial cable.
Further, each described sub-controller is connected with LED display described at least one by described coaxial cable.
Further, described master controller is used for processing video data and distributing.
Further, described coaxial cable is with BNC connector.
Further, described LED display is Small Distance LED display.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of TV and comprise: LED display; Controller, is integrated on the mainboard of described TV, for processing display data; Serial digital interface, is integrated on the mainboard of described TV, is connected with described controller, be connected on described LED display by coaxial cable.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of display control program, comprising: LED display; Above-mentioned control system, is connected with described LED display.
Further, described display control program comprises: control board, and described control board comprises: master board and multiple points of control boards; Controller, described controller comprises: master controller and multiple sub-controller, wherein, described master controller is arranged in described master board, each described point control board is provided with sub-controller described at least one, and each described sub-controller is connected with LED display described at least one by described coaxial cable; Described display control program also comprises: video-splicing subsystem, is connected with described master controller, is spliced to form a unified video pictures display for controlling multiple described LED display.
In embodiments of the present invention, adopt serial digital interface to be connected with LED display by coaxial cable, connect relative to common netting twine, its stability is high, thus solve the poor technical problem of LED display network cable transmission data stability, improve the stability of transfer of data.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the control system of LED display according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the control system of LED display according to the preferred embodiment of the invention;
Fig. 3 is the schematic diagram of the display control program according to the embodiment of the present invention.
Embodiment
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term in specification of the present invention and claims and above-mentioned accompanying drawing " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the embodiment of the present invention, provide a kind of embodiment of control system of LED display.
Fig. 1 is the schematic diagram of the control system of LED display according to the embodiment of the present invention, as shown in Figure 1, the control system of this LED display comprises: control board 101, controller 103 and serial digital interface (SerialDigitalInterface, referred to as SDI) 105.
Controller 103 is arranged on control board 101, for processing display data.
Serial digital interface 105 is integrated on control board 101, is connected with controller 103, is connected on LED display 200 by coaxial cable.
In the present embodiment, adopt SDI to be connected with LED display by coaxial cable, connect relative to common netting twine, its stability is high, thus solves the poor technical problem of LED display network cable transmission data stability, improves the stability of transfer of data.
The control system of the present embodiment may be used for controlling single led display screen work, also multiple LED display work can be controlled, when this LED display is applied in LED television, control board in this control system, can be the mainboard of LED television, controller can be the controller be integrated on the mainboard of LED television.When LED display is multiple, controller can be divided into master controller and sub-controller, and wherein, master controller is connected with sub-controller, for the treatment of with distribution of video data, sub-controller is then for controlling LED display respectively.
Preferably, control board comprises: master board and multiple points of control boards, and controller comprises: master controller and multiple sub-controller, and wherein, master controller is arranged in master board, each point of control board is provided with at least one sub-controller.
Master board can be arranged in master control device, and master controller is used for controlling multiple sub-controller, can also be used for processing video data and distributing.Divide control board can be arranged in each display, and be integrated with sub-controller.
Further, master controller is connected with each sub-controller respectively by coaxial cable.
Can be connected by coaxial cable between sub-controller with master controller, particularly, due to control board (comprising master board and point control board) being all integrated with SDI, therefore, the SDI on control board is divided to be connected with coaxial cable one end, the other end of coaxial cable is connected with the SDI in master board, thus realizes the connection between sub-controller and master controller.
Further, each sub-controller is connected with at least one LED display by coaxial cable.Each sub-controller is connected with a LED display respectively, in order to control the work of corresponding LED display respectively.Preferably, sub-controller can be connected with LED display by SDI.
As shown in Figure 2, master controller 1031 is connected respectively with multiple sub-controller 1033, and wherein, each sub-controller 1033 connects at least one LED display 200 respectively.
Preferably, coaxial cable is with BNC (BayonetNutConnector) joint.Coaxial cable in the embodiment of the present invention can be the cable with BNC connector, and wherein, coaxial cable can be between controller and LED display, also can be between master controller and sub-controller, also can be between sub-controller and LED display.
In the present embodiment, adopt BNC connector to connect and interface can be made to be connected firmly, not easily disconnect, and realize plug easily, the fraction defective of connection is reduced greatly.
Preferably, coaxial cable in the embodiment of the present invention can adopt 75 ohm coaxial cable, like this, coaxial cable can be made to be subject to the corresponding reduction of the influence degree of variation of ambient temperature, transmission data stabilization is reliable, the bandwidth of transmission data is also improved greatly, meanwhile eliminates the network interface connector of network interface chip, network transformer and band auto-lock function, makes the cost of circuit board obtain reduction.
Preferably, the LED display in the embodiment of the present invention is Small Distance LED display.
Because Small Distance LED display transmitted data amount is larger, need enough large data bandwidth, require higher to the transmission stability of signal, need the lower error rate, SDI is adopted to carry out transfer of data in the embodiment of the present invention, greatly can improve the stability of the Signal transmissions of Small Distance LED display, reduce the error rate.
For Small Distance LED display, in order to transmit super large data volume, in the embodiment of the present invention, by controller, data message being processed, in SDI mode, data being distributed.Which implements very convenient, that is to say, by control board (comprising master board and point control board) upper integrated SDI interface, one end of the 75 ohm coaxial cables with BNC connector is connected to the master controller in master board, the other end is connected to the sub-controller on point control board, every bar connects a sub-controller with 75 ohm coaxial cables of BNC connector, can control several sub-controller so simultaneously, each sub-controller can divide and sends several roads BNC passage, band carries one or more LED display respectively again, thus realize the control of whole Small Distance LED display.
Below, by introducing the implementation of the control system of several embodiment of the present invention, as follows particularly:
The 6GUHD-SDI Interface integration consisted of a Ge Youji road 6Gbit/s serial link is on one piece of master controller, the band section realizing 4K high definition amasss, then the 75 ohm coaxial cables via band BNC connector are distributed on the sub-controller of several roads, the 3G-SDI interface of sub-controller integrated several roads 2.97bit/s serial link composition, every road realizes the image range that band carries 1080P, then the 75 ohm coaxial cables via band BNC connector are distributed on respective 1080P Small Distance LED display, by easily can realize the 4K high-definition image display effect of Small Distance LED television with upper type.
Another kind of mode is the same, but master controller can use the 12GUHD-SDI interface of a Ge Youji road 12Gbit/s serial link composition, such realization can make data bandwidth become larger, thus better can realize 4K high definition display effect, even can realize the display being greater than 4K high definition.
The embodiment of the present invention additionally provides a kind of TV, and this TV comprises: LED display; Controller, is integrated on the mainboard of TV, for processing display data; Serial digital interface, is integrated on the mainboard of TV, is connected with controller, be connected on LED display by coaxial cable.
In the present embodiment, adopt serial digital interface to be connected with LED display by coaxial cable, connect relative to common netting twine, its stability is high, thus solve the poor technical problem of LED display network cable transmission data stability, improve the stability of transfer of data.
It should be noted that, the control system of the LED display provided in the embodiment of the present invention may be used for the display screen controlling the TV that multiple embodiment of the present invention provides.
The embodiment of the present invention additionally provides a kind of display control program, and this display control program comprises: LED display; And the control system of LED display that the embodiment of the present invention provides, the control system of LED display is connected with LED display.
Preferably, as shown in Figure 3, control system comprises: control board (not shown), and control board comprises: master board and multiple points of control boards; Controller, controller comprises: master controller 1031 and multiple sub-controller 1033, wherein, master controller 1031 is arranged in master board, each point of control board is provided with at least one sub-controller 1033, each sub-controller 1033 is connected with at least one LED display 200 by coaxial cable.
Display control program also comprises: video-splicing subsystem 300, is connected with master controller 1031, is spliced to form a unified video pictures display for controlling multiple LED display 200.Wherein, splicing vision signal can be provided by multiple splicing terminal 400, like this, multiple LED display can be combined into the broadcasting that a large display screen carries out video pictures.
By description above, the control system of the LED display of the embodiment of the present invention, TV and display control program can reach following effect: utilize SDI mode can make to connect between control system and control system more reliable, be not subject to the variable effect of temperature, implementation is simple and easy to use, solid and reliable.
Wherein, SDI is existing realizes transfer of data and the method for salary distribution for existing by HDMI, has the following advantages:
1. stable connection, connecting comes off can not cause the loss of data, ensures that display screen is normal;
2. manufacturing cost reduces, and does not need to be equipped with expensive high-fidelity HDMI data line;
3. the transport tape of data is roomy, and HDMI well cannot meet the transmission of big data quantity.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a control system for LED display, is characterized in that, comprising:
Control board;
Controller, is arranged on described control board, for processing display data;
Serial digital interface, is integrated on described control board, is connected with described controller, be connected on described LED display by coaxial cable.
2. control system according to claim 1, is characterized in that,
Described control board comprises: master board and multiple points of control boards,
Described controller comprises: master controller and multiple sub-controller, and wherein, described master controller is arranged in described master board, and each described point control board is provided with sub-controller described at least one.
3. control system according to claim 2, is characterized in that, described master controller is connected with each described sub-controller respectively by described coaxial cable.
4. control system according to claim 2, is characterized in that, each described sub-controller is connected with LED display described at least one by described coaxial cable.
5. control system according to claim 2, is characterized in that, described master controller is used for processing video data and distributing.
6. control system according to any one of claim 1 to 5, is characterized in that, described coaxial cable is with BNC connector.
7. control system according to any one of claim 1 to 5, is characterized in that, described LED display is Small Distance LED display.
8. a TV, is characterized in that, comprising:
LED display;
Controller, is integrated on the mainboard of described TV, for processing display data;
Serial digital interface, is integrated on the mainboard of described TV, is connected with described controller, be connected on described LED display by coaxial cable.
9. a display control program, is characterized in that, comprising:
LED display;
Control system according to any one of claim 1 to 7, is connected with described LED display.
10. display control program according to claim 9, is characterized in that, described display control program comprises:
Control board, described control board comprises: master board and multiple points of control boards;
Controller, described controller comprises: master controller and multiple sub-controller, wherein, described master controller is arranged in described master board, each described point control board is provided with sub-controller described at least one, and each described sub-controller is connected with LED display described at least one by described coaxial cable;
Described display control program also comprises: video-splicing subsystem, is connected with described master controller, is spliced to form a unified video pictures display for controlling multiple described LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886412.4A CN105376537A (en) | 2015-08-06 | 2015-12-04 | Control system of LED display, television, and display control system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015104785212 | 2015-08-06 | ||
| CN201510478521.2A CN105006220A (en) | 2015-08-06 | 2015-08-06 | Control system of LED display screen, television set, and display control system |
| CN201510886412.4A CN105376537A (en) | 2015-08-06 | 2015-12-04 | Control system of LED display, television, and display control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105376537A true CN105376537A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510478521.2A Pending CN105006220A (en) | 2015-08-06 | 2015-08-06 | Control system of LED display screen, television set, and display control system |
| CN201510886412.4A Pending CN105376537A (en) | 2015-08-06 | 2015-12-04 | Control system of LED display, television, and display control system |
| CN201520998645.9U Active CN205249389U (en) | 2015-08-06 | 2015-12-04 | Control system , TV and demonstration control system of LED display screen |
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| CN201510478521.2A Pending CN105006220A (en) | 2015-08-06 | 2015-08-06 | Control system of LED display screen, television set, and display control system |
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| CN201520998645.9U Active CN205249389U (en) | 2015-08-06 | 2015-12-04 | Control system , TV and demonstration control system of LED display screen |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105006220A (en) * | 2015-08-06 | 2015-10-28 | 利亚德光电股份有限公司 | Control system of LED display screen, television set, and display control system |
| JP6917759B2 (en) * | 2017-04-27 | 2021-08-11 | 池上通信機株式会社 | Video generation system, video signal generator, and display device |
| CN112639920A (en) * | 2018-08-20 | 2021-04-09 | 深圳市柔宇科技股份有限公司 | Display device |
| WO2020041937A1 (en) * | 2018-08-27 | 2020-03-05 | 西安诺瓦电子科技有限公司 | Display screen control system and display control card |
| CN110517168A (en) * | 2019-07-19 | 2019-11-29 | 森兰信息科技（上海）有限公司 | Piano sync instruction method, system and device based on SDI device |
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- 2015-08-06 CN CN201510478521.2A patent/CN105006220A/en active Pending
- 2015-12-04 CN CN201510886412.4A patent/CN105376537A/en active Pending
- 2015-12-04 CN CN201520998645.9U patent/CN205249389U/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105006220A (en) | 2015-10-28 |
| CN205249389U (en) | 2016-05-18 |
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Application publication date: 20160302 |