CN201057388Y - Linear LED screen - Google Patents
Linear LED screen Download PDFInfo
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- CN201057388Y CN201057388Y CNU2007200518355U CN200720051835U CN201057388Y CN 201057388 Y CN201057388 Y CN 201057388Y CN U2007200518355 U CNU2007200518355 U CN U2007200518355U CN 200720051835 U CN200720051835 U CN 200720051835U CN 201057388 Y CN201057388 Y CN 201057388Y
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Abstract
The utility model provides a linear LED screen which comprises a screen frame in a rigid grid structure, LED lamp clusters arranged on the rigid grid according to linear array and a drive chip embedded in a plastic seal of the LED lamp. The LED lamp clusters are parallel with each other and each LED lamp is correspondingly arranged on each nodal point of the linear array and is connected with the drive chip on the nodal point; the drive chips of the LED cluster on the same circuit are connected in series and respectively connected with external control devices through signal lines and then with a power line and a grounding line. The LED of the linear LED screen can be driven point by point and the size and the shape of the screen can be adjusted according to actual requirements. The utility model has beautiful appearance, quick screen washing rate, stable and uniform LED brightness, easy installation and maintenance and replacement, good display effect and long service life.
Description
Technical field
The utility model relates to LED giant-screen electronic display technology, specifically is meant linear LED screen.
Background technology
In recent years, LED giant-screen electronic display is as a kind of high-tech product paid more and more attention.It can show or the loop play literal in real time, figure and image information, it is abundant to have display mode, and sight is strong, and displaying contents is revised convenient, the brightness height, multiple advantage such as show and the life-span is long stable, be widely used in commercial advertisement, sports tournament, numerous areas such as traffic are one of strong instruments of information propagation.
Present LED large screen display system adopts the dot matrix template to make, 8 * 8,16 * 16 circuit board normally, and screen is big more, and the template that needs is just many more, and the connection of circuit is just complicated more.In case and after the fixed size, change just very difficultly again, flexibility is not strong.Simultaneously, because the backstage complex circuit, as easy as rolling off a logly in the time will changing after the damaged template be damaged to adjacent template.And the template of newly changing all the LED with old is different with aberration owing to new LED light intensity, produce the patch phenomenon.Because the pixel of LED giant-screen is many, often adopt the mode of dynamic scan for saving hardware.For small-sized LED large screen display system, this method is feasible, but concerning the LED giant-screen along with the increase of pixel, transfer of data will take a large amount of time, the display brightness of screen can obviously descend, and refreshing yet of picture will not catch up with, and the discontinuous phenomenon of picture occur.Present LED screen also exists the life-span short, the shortcoming that cost performance is low, and most LED screens all can only provide guarantee in a year, be not that producer is unwilling to repair, but the effect of repairing are bad, and especially outdoor screen used after 2 years and just can't repair.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of LED is provided linear screen, it can realize the pointwise driving LED, also can adjust the size and the shape of screen according to actual needs, good looking appearance, brush screen speed is fast, and the LED brightness stability is even, installation and maintenance and renewal are easy, and display effect is good and the life-span is long.
The purpose of this utility model realizes by following proposal: this linear LED screen, comprise the screen framework that adopts the rigidity cell structure, on the rigidity grid, press the LED lamp string of arranged in linear arrays, be embedded in the driving chip in the LED lamp plastic packaging, parallel with one another between each paths of LEDs lamp string, the corresponding node location that is installed in described linear array of each LED lamp, being connected of driving chip on each node on LED lamp and this node, on the same paths of LEDs lamp string each drives chip and is in series, and respectively drive chip and be connected by holding wire with the external control device respectively, and and power line, earth connection connects.
For realizing the utility model better, described rigidity grid can be made into respective shapes as required, as flat shape or three-dimensional shapes such as cylindrical shape, the cubic bodily form such as circle, annular, ellipse, polygons.
The grizzly bar of described rigidity grid is that the plastic processing frame of ∏ type and steel wire rope or prefabricated steel bracket are halved together and form by section, and it is fixedly connected that each paths of LEDs lamp was ganged up pcb board, and described pcb board is installed on the ∏ shape bin.
The plastic packaging of described LED lamp comprises LED lampshade and LED lamp socket, and the LED lamp is installed on the LED lamp socket and is sealed in the LED lampshade, drives chip and is inlaid in the LED lamp socket; The LED lampshade is transparent and non-flammable sphere or hemispheric plastics, and its operating temperature is-15～75 ℃.
The LED lamp comprises redness, yellow, blue led lamp on each node, and described driving chip comprises 12 ports: 3 LED drive ports, 3 signal input ports, 3 signal output ports, and to also have 3 ports be power end, earth terminal, restart end; 3 LED drive port and are connected with redness, yellow, blue led lamp on this node respectively; Described 3 signal input ports be connected with the external control device respectively or same paths of LEDs lamp string on 3 signal output ports of driving chip of last node connect; 3 signal input ports of the driving chip of back one node are connected on described 3 signal output ports and the same paths of LEDs lamp string; Power end is connected with power line, and earth terminal is connected with earth connection; Described signal comprises clock signal, data-signal, enable signal, and described external control device is made up of the main frame that is connected, signal repeater.
Be provided with signal intensifier circuit between 3 signal input ports of described driving chip and 3 signal output ports, after signal is imported by 3 signal ports, strengthen again by 3 signal port outputs through signal intensifier circuit, the assurance signal can not decayed in transmission course, even transmit very long distance, from external control device (main frame, signal repeater) signal also can be delivered to last LED node like clockwork, thereby guaranteed that each LED can both be according to host driver work, the brightness that shows can not weaken yet, and has therefore guaranteed the display effect of screen.
The holding wire of described driving chip (3 road signals input, 3 road signals output) adopts the shield sheath lead, and this shielded conductor can protect the signal that is introduced into the LED lamp string on each road from main frame not disturbed by environmental noise.
Described driving die response speed is greater than 1,000,000 Hz, and the routine data form is 24 bit data.
Operation principle of the present utility model is: because the LED lamp of each node location all is connected with the driving chip, the external control device can be controlled three colors, brightness of the LED lamp of each node location by the corresponding driving chip; Simultaneously, the rigidity grid of forming is installed the lamp string because employing ∏ shape bin and steel wire rope or prefabricated steel bracket are halved together, therefore can adjust the number of LED lamp on the quantity of the size and shape of rigidity grid, linear LED lamp string and the every paths of LEDs lamp string according to the actual needs, thereby realize the flexible setting of size, shape and the displaying contents of linear LED screen.
The utility model has following advantage and effect with respect to prior art: this linear LED screen, it can adjust the size and the shape of screen according to actual needs, installation, maintenance and more new capital is very convenient.Drive in the chip and be provided with power conditioning circuitry and signal intensifier circuit, power conditioning circuitry can carry out power adjusting to each LED node, and the brightness of this node and aberration and other nodes are consistent.Signal intensifier circuit assurance signal can not decayed in transmission course, thereby has guaranteed that (more than 100,000 pixels) can not produce the phenomenon that brush screen speed differs because of the time difference when LED node number is big.Described driving chip reaction speed can reach hundred nanosecond, therefore shows the interior per second brush of screen mega pixel screen speed and can reach more than 80 times, and whole LED screen brightness stability is even, and display effect is good and display life is long.
Description of drawings
Fig. 1 is the structural representation of the linear LED screen of the utility model;
Fig. 2 is grizzly bar, the LED lamp of rigidity grid shown in Figure 1, the structural representation of holding wire;
Fig. 3 is the internal structure schematic diagram of driving chip described in the utility model;
Fig. 4 is the design sketch of linear LED screen display Guangzhou Asian Games emblem shown in Figure 1.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail.
Embodiment one
As shown in Figure 1, this linear LED screen, comprise the screen framework that adopts the rigidity cell structure, on rigidity grid 1, press the LED lamp string of arranged in linear arrays, be embedded in the driving chip in the LED lamp plastic packaging, parallel with one another between each paths of LEDs lamp string, each LED lamp 2 is corresponding to be installed in the node location of described linear array (LED lamp 2 comprises redness on each node, yellow, the blue led lamp, being " product " font arranges), being connected of driving chip on each node on LED lamp 2 and this node, on the same paths of LEDs lamp string each drives chip and is in series by holding wire 3, and respectively drive chip respectively with main frame 4, signal repeater 5 signals connect, and with power line 6, earth connection 7 connects.Whole screen work is under the 220V supply voltage, and each paths of LEDs lamp string all is connected with an alterating and direct current depressor 8, is the DC voltage of 5V with the 220V voltage transitions, for the LED lamp 2 and the use of driving chip of each all node of road.
The signal of main frame 4 outputs, be divided into clock signal, data-signal, enable signal 3 tunnel outputs by signal repeater 5, the first LED lamp 2 of each paths of LEDs lamp string connects the driving chip and accepts described 3 road signals output, and the form by series connection control signal is delivered to this paths of LEDs lamp string last drive on chip, each drives the working condition of chip and LED lamp thereby realize the whole screen of control.Because the operating frequency of this driving chip is high, its response speed is greater than 1,000,000 Hz, the routine data form is 24 bit data, thus also very short from the time that the first driving chip of every paths of LEDs lamp string passes on last chip, make the renewal of screen far surpass the requirement of human eye.
As shown in Figure 2, the grizzly bar of this rigidity grid 1 is that plastic processing frame 9 and the steel wire rope of ∏ type or prefabricated steel bracket 10 are halved together and form by section, and each paths of LEDs lamp was ganged up 11 series connection of the ultra-thin pcb board of a slice and fixed, and this pcb board 11 is installed on the ∏ shape bin 9.Above-mentioned rigidity grid 1 can be made into respective shapes as required, as flat shape or three-dimensional shapes such as cylindrical shape, the cubic bodily form such as circle, annular, ellipse, polygons.
As shown in Figure 2, the plastic packaging of LED lamp 2 comprises LED lampshade 2-1 and LED lamp socket 2-2, and the LED lamp is installed in LED lamp socket 2-2 and goes up and be sealed in the LED lampshade 2-1, drives chip and is inlaid in the LED lamp socket 2-2; LED lampshade 2-1 is transparent and non-flammable sphere or hemispheric plastics, and its operating temperature is-15～75 ℃.
Holding wire 3-1～the 3-6 (input of 3 road signals, the output of 3 road signals) that drives chip adopts shield sheath lead, this shielded conductor can protect the signal that is introduced into the LED lamp string on each road from main frame 4 not disturbed by environmental noise.As shown in Figure 2, holding wire 3-1～the 3-6 (input of 3 road signals, the output of 3 road signals) that drives chip adopts 0.15cm wide-u-shaped steel skewer mouth frame to be connected with LED lamp socket 2-2, therefore described power line 6 and earth connection 7 adopt the wide L shaped steel skewer mouth frame of 0.30cm to be connected with LED lamp socket 2-2 because will be connected to all driving chips on same road.By said structure the driving chip is embedded in the LED lamp socket 2-2, has saved the trouble of installing, more help flexible use.
As shown in Figure 3, this driving chip has 12 input/output ports, drive chip and be embedded in the plastic packaging of LED lamp 2, it has 3 LED to drive port 12～14 and the 2 corresponding connections of intranodal red, green, blue look LED lamp, and the output data that these 3 LED drive port have determined the gray value of LED lamp 2.This driving chip top is 3 signal input port 15～17 (input clock signals, input data signal, the input enable signal), decide this to drive the duty of chip by them, driving the chip below is 3 signal output port 18～20 (clock signals, outputting data signals, the output enable signal), 3 signal input ports 15～17 be connected with main frame 4, signal repeater 5 respectively or same paths of LEDs lamp string on 3 signal output ports 18～20 of driving chip of last node connect; 3 signal input ports 15～17 of the driving chip of back one node are connected on described 3 signal output ports 18～20 and the same paths of LEDs lamp string; 1 port of 2 ports of side and top that drives chip is respectively other 3 control ports (power end 21, earth terminals 22, restart end 23), power end 21 is connected with power line 6, earth terminal 22 is connected with earth connection 7, restarting end 23 then is when LED lamp 2 operation irregularities, can restart the recovery that end 23 is realized LED lamp 2 by hitting by the needle-like device.Such port is arranged with the polyphone of the driving chip that is beneficial to each paths of LEDs lamp string, and structure is rational.
Can be provided with signal intensifier circuit between 3 signal input ports 15～17 of driving chip and 3 signal output ports 18～20, guarantee the display effect of screen.
As shown in Figure 4, by this linear LED screen display Guangzhou Asian Games emblem, full screen is high 5 meters, and is wide 4 meters, and the gross area is 20 square metres.Fixing up and down with the steel wire rope 10 that 200 diameters are 4mm, 10 LED string light modules are installed on the every steel wire, each module can be installed 25 LED lamps 2, and each module can change separately, helps maintenance and installation.Used 50000 LED lamps 2 altogether, average 2500 every square metre, each LED lamp 2 all has and independently drives chip.Main control system 4 outputs 200 road signals, 250 LED lamps 2 of every road signal transmission, every Lu Peiyi 5V dc source, every Lu Peiyi signal repeater 5, power supply and signal all are arranged on the bottom.Content shown on the screen can dynamically update according to the signal that main control system 4 provides.
As mentioned above, just can realize the utility model preferably.
Claims (8)
1. linear LED screen, it is characterized in that: comprise the screen framework that adopts the rigidity cell structure, on the rigidity grid by the LED lamp string of arranged in linear arrays, be embedded in the driving chip in the LED lamp plastic packaging, parallel with one another between each paths of LEDs lamp string, the corresponding node location that is installed in described linear array of each LED lamp, being connected of driving chip on each node on LED lamp and this node, on the same paths of LEDs lamp string each drives chip and is in series, and respectively drive chip and be connected by holding wire with the external control device respectively, and be connected with power line, earth connection.
2. according to the described linear LED screen of claim 1, it is characterized in that: described rigidity grid is flat shape or three-dimensional shape, comprises circle, annular, ellipse, polygon or cylindrical shape, the cubic bodily form.
3. according to claim 1 or 2 described linear LED screens, it is characterized in that: the grizzly bar of described rigidity grid is that the plastic processing frame of ∏ type and steel wire rope or prefabricated steel bracket are halved together and form by section, it is fixedly connected that each paths of LEDs lamp was ganged up pcb board, and described pcb board is installed on the ∏ shape bin.
4. according to the described linear LED screen of claim 1, it is characterized in that: the plastic packaging of described LED lamp comprises LED lampshade and LED lamp socket, and the LED lamp is installed on the LED lamp socket and is sealed in the LED lampshade, drives chip and is inlaid in the LED lamp socket; The LED lampshade is transparent and non-flammable sphere or hemispheric plastics, and its operating temperature is-15～75 ℃.
5. according to claim 1 or 4 described linear LED screens, it is characterized in that: the LED lamp comprises redness, yellow, blue led lamp on each node, described driving chip comprises 12 ports: 3 LED drive ports, 3 signal input ports, 3 signal output ports, and to also have 3 ports be power end, earth terminal, restart end; 3 LED drive port and are connected with redness, yellow, blue led lamp on this node respectively; Described 3 signal input ports be connected with the external control device respectively or same paths of LEDs lamp string on 3 signal output ports of driving chip of last node connect; 3 signal input ports of the driving chip of back one node are connected on described 3 signal output ports and the same paths of LEDs lamp string; Power end is connected with power line, and earth terminal is connected with earth connection; Described signal comprises clock signal, data-signal, enable signal, and described external control device is made up of the main frame that is connected, signal repeater.
6. according to the described linear LED screen of claim 5, it is characterized in that: be provided with signal intensifier circuit between 3 signal input ports of described driving chip and 3 signal output ports.
7. according to the described linear LED screen of claim 5, it is characterized in that: the holding wire of described driving chip adopts the shield sheath lead.
8. according to the described linear LED screen of claim 5, it is characterized in that: described driving die response speed is greater than 1,000,000 Hz, and the routine data form is 24 bit data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200518355U CN201057388Y (en) | 2007-05-24 | 2007-05-24 | Linear LED screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200518355U CN201057388Y (en) | 2007-05-24 | 2007-05-24 | Linear LED screen |
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| Publication Number | Publication Date |
|---|---|
| CN201057388Y true CN201057388Y (en) | 2008-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200518355U Expired - Lifetime CN201057388Y (en) | 2007-05-24 | 2007-05-24 | Linear LED screen |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402904A (en) * | 2010-09-10 | 2012-04-04 | 百奇股份有限公司 | Led screen |
| CN102685399A (en) * | 2012-04-28 | 2012-09-19 | 北京金立翔艺彩科技股份有限公司 | Multichannel signal distribution circuit and multichannel signal distributor |
| CN101424378B (en) * | 2008-11-13 | 2012-10-03 | 李鑫 | LED lamp strip and LED screen |
| CN101392879B (en) * | 2008-10-17 | 2013-08-28 | 范红霞 | LED lamp strip |
| CN101413631B (en) * | 2008-11-24 | 2013-09-25 | 范红霞 | LED lamp strip and LED screen body |
| CN103700325A (en) * | 2014-01-07 | 2014-04-02 | 罗盛 | Stereo-structure indoor transparent LED (light emitting diode) display screen |
| CN103759154A (en) * | 2013-12-13 | 2014-04-30 | 青岛蓝芯电子科技有限公司 | Rubber magnetic LED lamp panel with high thermal conductivity and insulativity and floodlight thereof |
| CN106641826A (en) * | 2016-11-09 | 2017-05-10 | 东莞市欧思科光电科技有限公司 | LED light-emitting component, LED light-emitting belt and LED light-emitting panel |
| DE112010005248B4 (en) * | 2010-02-10 | 2017-06-01 | Excelitas Canada Inc. | MODULAR LED ARRAY LIGHT SOURCES OF HIGH DENSITY |
| CN109801568A (en) * | 2019-03-26 | 2019-05-24 | 大连集思特科技有限公司 | A kind of LED tandem type transparent display screen |
-
2007
- 2007-05-24 CN CNU2007200518355U patent/CN201057388Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392879B (en) * | 2008-10-17 | 2013-08-28 | 范红霞 | LED lamp strip |
| CN101424378B (en) * | 2008-11-13 | 2012-10-03 | 李鑫 | LED lamp strip and LED screen |
| CN101413631B (en) * | 2008-11-24 | 2013-09-25 | 范红霞 | LED lamp strip and LED screen body |
| DE112010005248B4 (en) * | 2010-02-10 | 2017-06-01 | Excelitas Canada Inc. | MODULAR LED ARRAY LIGHT SOURCES OF HIGH DENSITY |
| CN102402904A (en) * | 2010-09-10 | 2012-04-04 | 百奇股份有限公司 | Led screen |
| CN102685399A (en) * | 2012-04-28 | 2012-09-19 | 北京金立翔艺彩科技股份有限公司 | Multichannel signal distribution circuit and multichannel signal distributor |
| CN102685399B (en) * | 2012-04-28 | 2015-01-28 | 北京金立翔艺彩科技股份有限公司 | Multichannel signal distribution circuit and multichannel signal distributor |
| CN103759154A (en) * | 2013-12-13 | 2014-04-30 | 青岛蓝芯电子科技有限公司 | Rubber magnetic LED lamp panel with high thermal conductivity and insulativity and floodlight thereof |
| CN103759154B (en) * | 2013-12-13 | 2017-03-08 | 青岛蓝芯电子科技有限公司 | There is rubber magnet LED lamp panel and its illuminating lamp of high-termal conductivity and insulating properties |
| CN103700325A (en) * | 2014-01-07 | 2014-04-02 | 罗盛 | Stereo-structure indoor transparent LED (light emitting diode) display screen |
| CN106641826A (en) * | 2016-11-09 | 2017-05-10 | 东莞市欧思科光电科技有限公司 | LED light-emitting component, LED light-emitting belt and LED light-emitting panel |
| CN109801568A (en) * | 2019-03-26 | 2019-05-24 | 大连集思特科技有限公司 | A kind of LED tandem type transparent display screen |
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Granted publication date: 20080507 |