CN101630469B - LED display screen - Google Patents
LED display screen Download PDFInfo
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- CN101630469B CN101630469B CN200910091109.XA CN200910091109A CN101630469B CN 101630469 B CN101630469 B CN 101630469B CN 200910091109 A CN200910091109 A CN 200910091109A CN 101630469 B CN101630469 B CN 101630469B
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- 238000002955 isolation Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005282 brightening Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The invention discloses an LED display screen, comprising at least a master signal circuit, at least a slave signal circuit and at least an LED module, wherein, the LED module comprises a PCB, a plurality of LEDs and a control module of the LEDs, a power line, at least a master signal line and at least a slave signal line; the LED module is also provided with at least two fixed parts; the control module is provided with a fault detection submodule, a fault isolation submodule and an LED control signal replacement submodule; the fault detection submodule is connected with each signal line and is also connected with a detection output line; the fault isolation submodule is connected with the fault detection submodule; the LED control signal replacement submodule is connected with the fault isolation submodule and is used for replacing the master LED control signals with the slave LED control signals and for driving and controlling each LED. The LED display screen is strong in display selectivity and high in stability.
Description
Technical field
The present invention relates to a kind of LED light device, particularly, relate to a kind of LED display.
Background technology
Along with the development of LED display technique, LED display application and the brightening of LED decorations are applied because its energy consumption is low, and color reducibility is strong, and the features such as life-span length, enormous size, exotic shape, are applied to various occasion more and more widely.Particularly in the middle of LED high-end applications (in the middle of Olympic venue LED project), and when holding occasion, because of importance and the susceptibility on its application scenario, opportunity, the LED display device of laying for this type of region has not allowed any bad point to occur.
And LED display is generally by some LED modules, and be fixed on casing or framework and formed, other electronic devices and components etc. being provided with some LED light emitting diodes, power lead, signal wire, resistance capacitance in each LED module and arranging according to Presentation Function, therefore, LED screen body has that components and parts are many, line is many, power supply is many, circuit is complicated, the feature that components and parts are numerous, is difficult to ensure in use not go wrong.
Therefore, prior art existing defects, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of display selectivity strong, and, show reliable and stable LED display.
Technical scheme of the present invention is as follows: a kind of LED display, wherein, comprises at least one main signal circuit and at least one from signal line and at least one LED module; Described LED module comprises a pcb board, some LED light emitting diodes and control module thereof, power lead, at least one main signal line and at least one from signal wire; Described LED module arranges at least two fixed parts, for being fixedly connected with each signal line one_to_one corresponding, is communicated with described main signal line and described main signal circuit, and is communicated with described from signal wire and described from signal line; Described main signal line for transmitting main LED control signal, described from signal wire be used for transmission from LED control signal; Described control module arranges fault detect submodule, fault isolation submodule and LED control signal and changes submodule; Whether described fault detect submodule is connected with each signal wire, correct for the LED control signal detecting main signal line input, and notifies described fault isolation submodule; Described fault detect submodule also detects outlet line with one and is connected, and described detection outlet line is used for externally output detections result data; Described fault isolation submodule is connected with described fault detection module, for when described main LED control signal is incorrect, judges that described main signal line breaks down, isolates described main LED control signal; Described LED control signal is changed submodule and is connected with described fault isolation submodule, described from LED control signal for described main LED control signal being replaced by, and according to described from LED control signal, each LED light emitting diode of drived control.
Described LED display, wherein, described two fixed parts are separately positioned on the relative both sides of described LED module, and wherein a fixed part is connected with described main signal line fixed signal, and another fixed part is connected from signal wire fixed signal with described.
Described LED display, wherein, described main signal line is connected with the control device of outside from signal wire respectively with described, for the LED control signal that synchronous transmission is identical.
Described LED display, wherein, adjacent signals line is equidistantly arranged, and the LED control signal of described main signal line transmission is contrary with the transmission direction of the described LED control signal transmitted from signal wire.
Described LED display, wherein, comprises a main signal line and three from signal wire; Respectively be used for transmitting first respectively from LED control signal, second from LED control signal and the 3rd from LED control signal from signal wire; Described fault detect submodule, also respectively whether correct from LED control signal for detecting, and notify described fault isolation submodule; Further, described fault isolation submodule, also for when respectively breaking down from signal wire, isolation is each from LED control signal; Described LED control signal changes submodule, is also described second from LED control signal for changing described first from LED control signal, or, be the described 3rd from LED control signal for changing described second from LED control signal.
Described LED display, wherein, in each signal wire, any two signal wires be arranged in parallel, and, with the perpendicular setting of other two signal wires.
Described LED display, wherein, the transmission direction of the LED control signal that two signal wires arranged in parallel transmit respectively is contrary.
Described LED display, wherein, comprise at least two LED modules, the color development area of each LED module is identical.
Described LED display, wherein, also arranges at least two identify units, with each LED module one_to_one corresponding, for the performance parameter of each LED module of the corresponding mark of difference.
Described LED display, wherein, the shape of described LED module is circle, ellipse, semicircle, triangle, square, pentagon, hexagon or its combination.
Adopt such scheme, the present invention is by arranging at least one main signal line and at least one from signal wire; Main signal line and be used for transmitting main LED control signal and from LED control signal respectively from signal wire, and, by arranging being fixedly connected with each signal line one_to_one corresponding of fixed part and outside, stable connection; Described control module, can select main control signal, also can select from control signal, and display selectivity is strong; Further, submodule is being changed by arranging fault detect submodule, fault isolation submodule and LED control signal in described control module; Detected by described fault detect submodule and judge signal line whether fault, and, by fault isolation submodule isolation out of order signal circuit, make when main signal line failure, main signal circuit can be replaced from signal line, work on, ensure that the stability that LED display shows.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment 1 in the present invention;
Fig. 2 is the schematic diagram of embodiment 2 in the present invention;
Fig. 3 is the schematic diagram of embodiment 3 in the present invention;
Fig. 4 is the schematic diagram of embodiment 4 in the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, present embodiments provide a kind of LED display, described LED display comprises one or more main signal circuit 106 and one or more from signal line 107, and one or more LED module.
Described LED module comprises a pcb board 101, described pcb board 101 is provided with multiple LED light emitting diode 103, for controlling control module 105, one or more positive source line 102, one or more positive source line 104, one or more main signal line and one or more of each LED light emitting diode from signal wire.
Described LED module arranges two fixed parts, and as main fixed part 108 with from fixed part 109, main fixed part is corresponding with main signal circuit to be fixedly connected with, for connecting the main signal line that described main signal circuit 106 is arranged with pcb board; Describedly to be fixedly connected with from fixed part 109 with from signal line, for connect from signal line 107 and pcb board arrange from signal wire.
Described control module 105 is provided with fault detect submodule, fault isolation submodule and LED control signal and changes submodule; Described fault detect submodule, be connected with the input end from signal wire with main signal line respectively, described main signal line and described from signal all for transmitting LED control signal, wherein, described main signal line is for transmitting main LED control signal, described from signal wire be used for transmission from LED control signal, described main LED control signal controls can be identical from LED with described, also can be difference; Described main LED control signal and described from LED control signal, being the LED control signal for controlling each LED light emitting diode, may be used for making each LED diode displaying figure, word, letter and animation etc.
Described fault isolation submodule is connected with described fault detect submodule, and described LED control signal is changed submodule and is connected with described fault isolation submodule.
Whether described fault detect submodule is correct for the LED control signal detecting the input of described main signal line, and the result of detection is passed to described fault isolation submodule, if when described main LED control signal is correct, then described main LED control signal is through described fault detect submodule, be delivered to described fault isolation submodule, be delivered to after described LED control signal replacing submodule through described fault isolation submodule again, be used further to control each LED light emitting diode, described main LED control signal may be used for Direct driver and controls each LED light emitting diode, namely described control module is directly connected with each LED light emitting diode, or, described main LED control signal can each LED light emitting diode of drived control indirectly, namely described control module is connected with other driver module, as, be connected with constant-current driven module or constant voltage driver module, other driver modules are connected with each LED light emitting diode again, described control module carrys out each LED light emitting diode of drived control by controlling other driver modules.
When described fault detect submodule detects that described main LED control signal is incorrect, described fault isolation submodule then judges that described main signal line is as breaking down, further, isolate described main LED control signal, make the main LED control signal broken down stop transmission; Further, described LED control signal is changed submodule and described main LED control signal is replaced by described from LED control signal, and according to described from LED control signal, carrys out each LED light emitting diode of drived control.
And, described LED display also arranges a detection outlet line, described detection outlet line is connected with described fault detect submodule, described detection outlet line is used for externally output detections result data, namely when described main LED control signal is correct or incorrect time, described detection line correspondence exports the testing result data that described main signal circuit is normal or break down, such as, described detection outlet line one end can be connected with the control system of outside, testing result data are directly shown by the display interface of external control system, namely main signal circuit or main signal line is shown normal or break down.By this detection outlet line, can see whether main signal circuit or main signal line break down, and make convenience easy to maintenance very intuitively.
Embodiment 2
As shown in Figure 2, on the basis of above-mentioned each example, described main fixed part 108 is arranged on the relative both sides of described LED module with described from fixed part 109, such as, be arranged on the upper and lower dual-side of described LED module, or be arranged on limit, the described LED module left and right sides; Further, main fixed part 108 is fixedly connected with described main signal line 106, is fixedly connected with from fixed part 109 with described from signal wire 107.
Such as, each fixed part can be Access Division, by by described main signal with to be describedly clamped on described LED module from signal line, and with the main signal line be arranged on described pcb board with to be describedly connected from signal wire fixed signal.
By fixed part 108 being arranged in two relative surveys of described LED module, making wiring reasonable, saving line material, and, facilitate main signal and be fixedly connected with described LED module from different directions respectively with from signal line, reduce rate of breakdown.
Wherein, described main signal line is connected with the control device of outside from signal wire respectively with described, as, described main signal line is connected with outside main control unit, for transmitting main LED control signal, describedly to be connected from control device from signal wire with outside, for transmission from LED control signal; Further, described LED control signal and described from LED control signal, for main signal line described in identical LED control signal and described be synchronous transmission from signal wire, namely at one time, same position, the LED control signal of transmission is identical.
Because described LED control signal is identical from LED control signal with described, namely described control module then possesses the LED control signal of repeated configuration, when main signal line breaks down, the described LED control signal from signal wire repeated configuration will get involved and bear the work of trouble unit, whole LED display is normally worked, make that exhibit stabilization is high, selectivity is strong, be not easy the impact of being broken down.
Further, adjacent signals line is equidistantly arranged, wiring rationally, simple and, attractive in appearance; Described main LED control signal is contrary with the described transmission direction from LED control signal, namely, main signal line and describedly transmit LED control signal from signal wire along contrary direction, the generation of fault can be reduced, after guaranteeing that signal wire is in one direction cut-off, make described control module unaffected, and work on.
Embodiment 3
As shown in Figure 3, on the basis of above-mentioned each example, one main signal line and three can also be set from signal wire, as comprised main signal line 106, first from signal wire 107, second from signal 301 and the 3rd from signal wire 302, main signal line 106 is for transmitting main LED control signal, first from signal wire 107 for transmitting first from LED control signal, second from signal 301 for transmitting second from LED control signal, the 3rd from signal wire 302 for transmitting the 3rd from LED control signal.
When described main signal line breaks down, the result of detection also for detecting described first from signal wire, and is passed to described fault isolation submodule by described fault detect submodule; If described first correct from LED control signal time, then described control module carrys out each LED light emitting diode of drived control according to described first from LED control signal; When described fault detect submodule detect described first incorrect from LED control signal time, described fault isolation submodule then judges that described first signal wire is as breaking down, further, isolate described first from LED control signal, make to break down first stops transmission from LED control signal; Further, described LED control signal is changed submodule and is replaced by described second from LED control signal by described first from LED control signal, and according to described second from LED control signal, carrys out each LED light emitting diode of drived control.
When described first breaks down from signal wire, the result of detection also for detecting described second from signal wire, and is passed to described fault isolation submodule by described fault detect submodule; If described second correct from LED control signal time, then described control module carrys out each LED light emitting diode of drived control according to described second from LED control signal; When described fault detect submodule detect described second incorrect from LED control signal time, described fault isolation submodule then judges that described secondary signal line is as breaking down, further, isolate described second from LED control signal, make to break down second stops transmission from LED control signal; Further, described LED control signal is changed submodule and is replaced by the described 3rd from LED control signal by described second from LED control signal, and according to the described 3rd from LED control signal, carrys out each LED light emitting diode of drived control
Wherein, main signal line 106, first is from signal wire 107, second from signal 301 and the 3rd from signal wire 302, and wherein any two signal wires be arranged in parallel, and, with the perpendicular setting of other two signal wires; Such as, main signal line 106 and first be arranged in parallel from signal wire 107, and, with second from signal 301 and the 3rd from the perpendicular setting of signal wire 302; And, the transmission direction of the LED control signal that two signal wires arranged in parallel transmit respectively is contrary, i.e. main LED control signal and first contrary from the transmission direction of LED control signal, second is contrary from the transmission direction of LED control signal and the 3rd LED control signal.
So, can make four bars circuits from four of described LED module not ipsilateral be connected with described control module, after making the circuit of arbitrary side or any two sides or any three sides wherein cut-off, described control module is still unaffected, make fault effects reach minimum, ensure that the stability that described LED display shows.。
Embodiment 4
As shown in Figure 4, on the basis of above-mentioned each example, LED display described in the present embodiment comprises two or more LED module, such as, comprise LED module 401 and LED module 402, and the color development area of each LED module is identical.
Described color development area refers in each LED module, red, green and BLUE LED emissions diode are when luminescence, at CIE (French Commission Internationale de L ' Eclairage, English International Commission on Illumination) 1931 chromaticity diagrams (CIE 1,931 2 ° of Chromaticity Diagram, also claim chromatic diagram) or CIE1976 even color figure in the region that forms of chromaticity coordinates, the i.e. color development area of each LED module, the color development area of each LED module is identical, the LED display display be then made up of at least two LED modules is homogeneous, display effect is very good.
In order to the color development area reaching each LED module is identical, the LED light emitting diode of same point of gear selecting and adjacent point of gear selecting thereof can be adopted to reach; Or, also can by arranging chromaticity coordinates computing module in adjusting gear, the color development area of each LED module is calculated by chromaticity coordinates computing module, and, according to the brightness of each LED light emitting diode, be object brightness by the brightness adjustment of each LED light emitting diode, make the color development area of each LED module identical; Or, can also by arranging wavelength computing module in adjusting gear, the color development area of each LED module is calculated by wavelength computing module, and, according to the brightness of each LED light emitting diode, be object brightness by the brightness adjustment of each LED light emitting diode, make the color development area of each LED module identical.
And for example, described adjusting gear arranges wavemeter operator module; Described wavemeter operator module is according to the wavelength of each LED light emitting diode, calculate the color development area of each LED unit, and, according to the brightness of each LED light emitting diode, adjustment data are sent to each LED light emitting diode by described adjusting gear, thus adjust the brightness of each LED light emitting diode, make the luminous colour gamut of each LED module identical; The luminous colour gamut of each LED module is identical, then the LED display display be made up of at least two LED modules is homogeneous, and display effect is very good.
Further, described LED display also arranges two or more identify unit, and with each LED module one_to_one corresponding, i.e. the corresponding LED module of each identify unit, for the performance parameter of each LED module of the corresponding mark of difference.Such as, LED module 401 correspondence arranges an identify unit 403, and identify unit 403 is for each performance parameter of identification LEDs module 401, and LED module 402 correspondence arranges an identify unit 404, and identify unit 404 is for each performance parameter of identification LEDs module 402.
Each performance parameter can be in each LED module, the brightness, wavelength, chromaticity coordinates etc. of each LED light emitting diode, in addition, can also identify the shape, size etc. of the color of each LED light emitting diode, encapsulation, size and each LED module.
When in each LED module, when same color LED light emitting diode adopts same point of gear selecting or adjacent point of gear selecting, the brightness of same color LED light emitting diode, encapsulation, size are identical, and consistent wavelength, therefore each LED light emitting diode of same color in a LED module, can see a LED light emitting diode as and identify, have accurate performance parameter numerical value, therefore, sign content is simple, convenient.
Each identify unit can adopt the mode embedded or paste to arrange, arbitrary side of each LED module can be arranged on, identify unit is arranged on side, identify unit can be made not take the installation site of each LED light emitting diode and other electronic devices and components, further, the specious of the display surface of each LED module is not affected yet.
And identify unit embedding is arranged on each LED module, identify unit can be made depositing, use, be not easy to come off in the situation such as transport, make, through the described LED module of long storage time, use or transport, still clearly to recognize each performance parameter of each LED module.
And for example, identify unit can be a paper labels or plastic label; Use paper labels can make to wait in use very convenient, such as, on the side that directly paper labels can be pasted onto each LED module or side, identification means is simple, and facilitates.And use plastic label that label can be made more durable, be not easy infringement.
In addition, identify unit can also be the bar code of each performance parameter of mark, and like this, the bar code designed because identify unit has each performance parameter according to each LED module, can show each specific performance parameter of each LED module by scanning; Adopt bar code, by data are inputted computer, adopt electronic tool management simultaneously, management is standardized more, make finding, convenient, quick when using each LED module of each performance parameter.
Wherein, the shape of each LED module can be circle, ellipse, semicircle, triangle, square, pentagon, six distortion or its combination, and the shape of each LED module can be identical, also can be difference, not do any restriction herein.Such as, general conventional LED module can be set to square.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (2)
1. a LED display, is characterized in that, comprises a main signal circuit and three from signal line, at least two identify units and at least two LED modules;
The color development area of each LED module is identical;
Described LED module adopts the LED light emitting diode of same point of gear selecting;
Described identify unit and each LED module one_to_one corresponding, for the performance parameter of each LED module of the corresponding mark of difference;
Described LED module comprises a pcb board, some LED light emitting diodes and control module thereof, power lead, a main signal line and three from signal wire;
Described LED module arranges at least two fixed parts, for being fixedly connected with each signal line one_to_one corresponding, is communicated with described main signal line and described main signal circuit, and is communicated with described from signal wire and described from signal line;
Described two fixed parts are separately positioned on the relative both sides of described LED module, and wherein a fixed part is connected with described main signal line fixed signal, and another fixed part is connected from signal wire fixed signal with described;
Described main signal line for transmitting main LED control signal, described from signal wire be used for transmission from LED control signal;
Described main signal line is connected with the control device of outside from signal wire respectively with described, for the LED control signal that synchronous transmission is identical;
Described control module is connected with constant-current driven module, and described control module carrys out each LED light emitting diode of drived control by controlling constant-current driven module;
Described control module arranges fault detect submodule, fault isolation submodule and LED control signal and changes submodule;
Whether described fault detect submodule is connected with each signal wire, correct for the LED control signal detecting main signal line input, and notifies described fault isolation submodule;
Described fault detect submodule also detects outlet line with one and is connected, and described detection outlet line is used for externally output detections result data; Described detection outlet line one end is connected with outside control system, directly shows testing result data by the display interface of external control system;
Described fault isolation submodule is connected with described fault detection module, for when described main LED control signal is incorrect, judges that described main signal line breaks down, isolates described main LED control signal;
Described LED control signal is changed submodule and is connected with described fault isolation submodule, described from LED control signal for described main LED control signal being replaced by, and according to described from LED control signal, each LED light emitting diode of drived control;
Respectively be used for transmitting first respectively from LED control signal, second from LED control signal and the 3rd from LED control signal from signal wire;
Described fault detect submodule, also respectively whether correct from LED control signal for detecting, and notify described fault isolation submodule;
Further, described fault isolation submodule, also for when respectively breaking down from signal wire, isolation is each from LED control signal;
Described LED control signal changes submodule, is also described second from LED control signal for changing described first from LED control signal, or, be the described 3rd from LED control signal for changing described second from LED control signal;
In each signal wire, wherein two signal wires be arranged in parallel, and, with the perpendicular setting of other two signal wires; The transmission direction of the LED control signal that two signal wires arranged in parallel transmit respectively is contrary.
2. LED display according to claim 1, is characterized in that, the shape of described LED module is circle, ellipse, semicircle, triangle, square, pentagon, hexagon or its combination.
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| CN200910091109.XA CN101630469B (en) | 2009-08-07 | 2009-08-07 | LED display screen |
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| CN200910091109.XA CN101630469B (en) | 2009-08-07 | 2009-08-07 | LED display screen |
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| CN101630469B true CN101630469B (en) | 2014-12-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101807661B (en) * | 2010-03-02 | 2015-02-25 | 深圳市中庆微科技开发有限公司 | Heat dissipation structure of high-power LED module |
| CN102136235A (en) * | 2011-03-17 | 2011-07-27 | 深圳市中庆微科技开发有限公司 | Intelligent debugging system for detecting LED (Light Emitting Diode) display screen on line |
| CN103440850B (en) * | 2013-08-16 | 2016-08-17 | 南车株洲电力机车研究所有限公司 | A kind of redundancy display system |
| CN106710520B (en) * | 2017-01-19 | 2019-12-10 | 深圳市奥拓电子股份有限公司 | LED display screen module control method and device |
| CN115424549B (en) * | 2022-07-15 | 2024-07-05 | 南京鼎恩电子信息有限公司 | LED traffic guidance screen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2237664C (en) * | 1997-05-15 | 2001-12-18 | Matsushita Electric Industrial Co., Ltd. | Led display device and method for controlling the same |
| CN201203020Y (en) * | 2008-05-09 | 2009-03-04 | 北京中庆微数字设备开发有限公司 | LED curtain wall lamp with redundant fault tolerant function |
| CN101477774A (en) * | 2009-02-05 | 2009-07-08 | 北京巨数数字技术开发有限公司 | LED screen manufacturing process, display screen box, display screen and display screen system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005005482A (en) * | 2003-06-12 | 2005-01-06 | Citizen Electronics Co Ltd | Led light emitting device and color display device using the same |
| US20080001525A1 (en) * | 2006-06-30 | 2008-01-03 | Au Optronics Corporation | Arrangements of color pixels for full color OLED |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2237664C (en) * | 1997-05-15 | 2001-12-18 | Matsushita Electric Industrial Co., Ltd. | Led display device and method for controlling the same |
| CN201203020Y (en) * | 2008-05-09 | 2009-03-04 | 北京中庆微数字设备开发有限公司 | LED curtain wall lamp with redundant fault tolerant function |
| CN101477774A (en) * | 2009-02-05 | 2009-07-08 | 北京巨数数字技术开发有限公司 | LED screen manufacturing process, display screen box, display screen and display screen system |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-5482A 2005.01.06 * |
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Addressee: Yang Hongxia Document name: Notification of Passing Examination on Formalities |
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Inventor after: Liu Dihong Inventor after: Wu Mingqun Inventor before: Shang Song |
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Effective date of registration: 20160617 Address after: 518000 Guangdong city of Shenzhen province Gongming Guangming New District Office long Shenzhen community long Lu Yu Yongxing Industrial Zone No. 3 building B first floor area and two to four layers Patentee after: SHENZHEN BAKO OPTOELECTRONICS Co.,Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402B power Creative Park Patentee before: Beijing Vast Digital Co.,Ltd. |
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Address after: 518000 Guangdong city of Shenzhen province Gongming Guangming New District Office long Shenzhen community long Lu Yu Yongxing Industrial Zone No. 3 building B first floor area and two to four layers Patentee after: SHENZHEN BAKO OPTOELECTRONICS Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Gongming Guangming New District Office long Shenzhen community long Lu Yu Yongxing Industrial Zone No. 3 building B first floor area and two to four layers Patentee before: SHENZHEN BAKO OPTOELECTRONICS Co.,Ltd. |
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Denomination of invention: LED display screen control system Effective date of registration: 20190313 Granted publication date: 20141231 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN BAKO OPTOELECTRONICS Co.,Ltd. Registration number: 2019990000210 |
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Date of cancellation: 20200721 Granted publication date: 20141231 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN BAKO OPTOELECTRONICS Co.,Ltd. Registration number: 2019990000210 |
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