CN202025488U - LED (light-emitting diode) display module and LED display screen - Google Patents
LED (light-emitting diode) display module and LED display screen Download PDFInfo
- Publication number
- CN202025488U CN202025488U CN2011200654089U CN201120065408U CN202025488U CN 202025488 U CN202025488 U CN 202025488U CN 2011200654089 U CN2011200654089 U CN 2011200654089U CN 201120065408 U CN201120065408 U CN 201120065408U CN 202025488 U CN202025488 U CN 202025488U
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- led
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- web member
- drain pan
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- Engineering & Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Abstract
The utility model relates to an LED (light-emitting diode) display module and an LED display screen composed thereof. The LED display module comprises a face shield, a bottom case buckled with the face shield, a PCB (printed circuit board) positioned between the face shield and the bottom case and a power supply box fixed on the back of the bottom case for supplying power for the PCB. The face shield and the bottom case are both plastic parts. The LED display module adopts the no-box body structure that the plastic parts of the face shield and the bottom case are matched with the power supply box, has thin thickness, small volume and light weight and is easy to realize quick installation and the abnormal LED display screen of arc shape, wave shape, and the like.
Description
[technical field]
The utility model relates to the LED display field, particularly relates to a kind of LED that can be assembled into the LED display of different shape and shows module.
[background technology]
Present light emitting diode (Light Emitting Diode, be called for short LED) shows that module all adopts the sheet metal body structure, and volume is big, heaviness and dimensional accuracy are low, is difficult for forming large LED display screen, more can't realize Fast Installation.Especially when special-shaped display screens such as need composition arc, waveform,, this kind LED is difficult to reach the effect of wanting because showing module heaviness, bulky defective.
[utility model content]
Based on this, be necessary to provide a kind of comparatively light and handy LED to show module.
A kind of LED shows that module comprises face shield, with the drain pan that described face shield fastens, the pcb board between described face shield and described drain pan, and is fixed on power pack behind the described drain pan, that be used to described pcb board power supply.Described face shield and drain pan are the plastic parts that is provided with penetrating pore structure.
In a preferred embodiment, the size of described power pack is less than the size of described drain pan, and makes for metal material.
In a preferred embodiment, also be provided with waterproof apron between described power pack and the described drain pan.
In a preferred embodiment, the first side of described drain pan is provided with first web member, the second side relative with described first side is provided with relative with first web member and can shows second web member that first web member of module be rotatably connected with another LED, the 3rd side of described drain pan is provided with the 3rd web member, and the four side relative with the 3rd side is provided with relative with the 3rd web member and can shows the 4th web member that the 3rd web member of module be rotatably connected with another LED.
In a preferred embodiment, the described second and the 4th web member is the fixture that is formed with pin-and-hole, the described first and the 3rd web member comprises the fixture that is formed with pin-and-hole and with described first and shipping and reselling on another market of matching of the pin-and-hole of the 3rd web member, have groove or hole on described the shipping and reselling on another market, be with spring on one of them is shipped and resell on another market, this spring makes when not being compressed to ship and resell on another market and stretches out fixture.
In a preferred embodiment, four of described drain pan jiaos of places also are provided with and are used to make any two LED to show connector and and the supporting connector of this connector of module realization paperback.
In a preferred embodiment, the two ends of described power pack are formed with respectively and are connected and fixed structure, each is connected and fixed and has pin-and-hole on the structure, this side that is connected and fixed structure is provided with fixation spring tab, pass when being connected and fixed structure by pin-and-hole as connecting pin, described fixation spring tab can compress, fix this connecting pin.
In a preferred embodiment, be provided with power supply cableties adjacent and signal cableties behind the described drain pan with described power pack.
In addition, also be necessary to provide a kind of and show the LED display that module constitutes by above-mentioned LED, this LED display comprises that a plurality of interconnective LED show module, and described LED shows that module is that above-mentioned any LED shows module.
LED of the present utility model shows the no body structure that module adopts plastic parts face shield and drain pan and power pack to match, and thin thickness, volume are less, in light weight, are easy to realize Fast Installation, are easy to realize special shaped LED display screens such as arc, waveform.
[description of drawings]
Fig. 1 is the stereographic map that the LED of an embodiment shows module;
Fig. 2 is the exploded view that the LED of Fig. 1 shows module;
Fig. 3 is that polylith LED display module adopts double pin connector and sheet metal to realize the synoptic diagram of plane lifting;
Fig. 4 is the enlarged drawing of A portion among Fig. 1, comprises that one is shipped and resell on another market;
The stereographic map of Fig. 5 for shipping and reselling on another market among Fig. 4;
Fig. 6 is the special-shaped assembly unit synoptic diagram of two LED display modules in vertical direction;
Fig. 7 is the enlarged drawing of B portion among Fig. 1, comprises that one is shipped and resell on another market;
Fig. 8 is two LED display modules special-shaped assembly unit synoptic diagram in the horizontal direction;
Fig. 9 is the front view of contiguous block;
Figure 10 is the enlarged drawing of C portion among Fig. 2.
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model LED is shown that module and LED display further specify.
Fig. 1 shows the image that LED shows module 100 back sides.Fig. 2 shows the exploded view of module 100 for this LED.As shown in Figure 1 and Figure 2, LED show module 100 mainly comprise face shield 10, with drain pan 20, (the Printed circuit board of the printed circuit board (PCB) between face shield 10 and drain pan 20 of face shield 10 fastenings, PCB) 30, be fixed in behind the drain pan 20, be used to the power pack 40 of pcb board 30 power supplies, and the waterproof apron 50 between power pack 40 and drain pan 20.
Wherein, face shield 10 and drain pan 20 are rectangle, and adopt plastic material to make, for being provided with the plastic parts of penetrating pore structure, and light weight and have good permeability.The manufacturing process of plastic parts is very ripe at present, can accomplish point-device size, can make the splicing of display module more neat.Face of weld mounts LED and is used to control the luminous electronic devices and components of LED on the pcb board 30.The shell of power pack 40 adopts metal material to make, for example aluminium, ferroalloy or stainless steel etc.In the present embodiment, adopt the die casting aluminium box to do the shell of power pack 40.The size of power pack 40 is fixed in the medium position outside the drain pan 20 less than the size of drain pan 20.Offer wired hole on the drain pan 20, the power lead in the power supply source capsule 40 passes to be connected with pcb board 30 with signal wire.The position that is not covered by power pack 40 on the drain pan 20 also is provided with power supply cableties and signal cableties 22, and power supply cableties and signal cableties 22 are parallel to be distributed in power pack 40 both sides, so that more neat, the easy arrangement of the electric wire of walking on the drain pan 20.Adopt waterproof apron 50 can prevent effectively that steam from entering demonstration module 100 inside, guarantees to show the serviceable life of module.
For realizing that each LED shows the plane assembly unit between the module 100, is provided with connector 23 (Fig. 1) on four angles at drain pan 20 back sides.Be formed with pin-and-hole on the connector 23, the direction unanimity of pin-and-hole on each web member 23.By double pin connector 234, a plurality of LED can be shown that modules 100 are realized up and down and about composite assembly, as shown in Figure 3.
For realizing special shaped LED display screens such as arc, waveform, be provided with web member on drain pan 20 each side.As shown in Figure 1, the upper side edge of drain pan 20 (hereinafter referred to as the first side) is provided with first web member 24, is provided with relative with first web member 24 with the opposing lower side (hereinafter referred to as the second side) in first side and can shows second web member 25 that first web member of module be rotatably connected with another LED.The right edge of drain pan 20 (hereinafter referred to as the 3rd side) is provided with the 3rd web member 26, is provided with relative with the 3rd web member 26 with the opposing limit, left side (hereinafter referred to as four side) of the 3rd side and can shows the 4th web member 27 that the 3rd web member of module be rotatably connected with another LED.
Wherein, the second and the 4th web member 25,27 is for being formed with the fixture of pin-and-hole.The first and the 3rd web member 24,26 comprise the fixture that is formed with pin-and-hole and with shipping and reselling on another market that this pin-and-hole matches.As Fig. 4, shown in Figure 5, also have the through hole 242 that communicates with pin-and-hole on fixture 241 sidewalls of first web member 24.Through hole 242 comprises that a yi word pattern through hole that extends along the pin-and-hole direction reaches from vertically extending two arcuate sockets in these yi word pattern through hole two ends.Ship and resell on another market and hole 246 (can be groove among other embodiment) is set, an end setting operation portion 245 on 243.Operating portion 245 has through hole for the cylinder of diameter greater than 243 bodies of shipping and reselling on another market on this column side wall, by the column spanner being inserted this through hole, rotatable and mobilely ship and resell on another market 243.Installation was shipped and resell on another market 243 o'clock, with 243 pin-and-holes that insert fixtures 241 of shipping and reselling on another market, passes through hole 242 and fix a pin 244 in 243 the hole 246 of shipping and reselling on another market, and 243 was fixed on the fixture 241 thereby will ship and resell on another market.Pin 244 is placed in the different arcuate socket of through hole 242 243 the location of can realizing shipping and reselling on another market by move operation portion 245.When vertically two LED of assembly unit show module, to ship and resell on another market and 243 move fixture 241 1 ends to, make the 243 head retraction fixtures 241 of shipping and reselling on another market, again fixture 241 is shown that with another LED the fixture of second web member 25 of module aligns, to ship and resell on another market at last and 243 move fixture 241 other ends to, the head of shipping and reselling on another market is inserted in the fixture of second web member 25 that another LED shows module, finish assembly unit.If want to constitute waveform or arc screen, directly rotating LED shows that module gets final product, and as shown in Figure 6, operates very simple.
As shown in Figure 7, the 3rd web member 26 comprises two fixtures 261.262 the end of shipping and reselling on another market of the 3rd web member 26 is provided with the handle 263 perpendicular to the body of shipping and reselling on another market (pin body), and pin is with spring 264 on one's body and is having hole 265 (can be groove among other embodiment) near medium position.The diameter of spring 264 should be greater than the diameter of the pin-and-hole of fixture 261.Installation was shipped and resell on another market 262 o'clock, spring 264 is placed between two fixtures 261, to ship and resell on another market and 262 pass two fixtures 261 and spring 264, a pin is inserted in the pin hole 265 on one's body again, this moment, pin was between two fixtures 261, thereby will ship and resell on another market 262 is fixed on two fixtures 261, and 262 the head of the shipping and reselling on another market end of stretching out fixture 261.When two LED of horizontal assembly unit show module, pulling handle 263, compression spring 264 makes 262 the head retraction fixture 261 of shipping and reselling on another market, again fixture 261 is shown that with another LED the fixture of the 4th web member 27 of module aligns, decontroling handle 263 at last makes spring 264 promote to ship and resell on another market 262 to insert the 4th web member 27 that another LED show module, finish assembly unit.If want to constitute waveform or arc screen, directly rotating LED shows that module gets final product, and as shown in Figure 8, operates very simple.
Refer again to Fig. 1, Fig. 2 and Fig. 3, more solid reliable for making when lifting LED display curtain, be formed with respectively at the upper/lower terminal of metal power pack 40 and be connected and fixed structure.In the utility model, this is connected and fixed structure and comprises two sheet metals 42.Have pin-and-hole on each sheet metal 42, preferred, have three not point-blank pin-and-holes.When vertically two LED of splicing show module, earlier a contiguous block 44 supporting, that have respective pin hole (see Fig. 9, for example have five pin-and-holes) is placed between two sheet metals 42 of a LED demonstration module, passes sheet metal 42 and contiguous block 44 with connecting pin 46.Then, with a connecting pin another LED being shown that two sheet metals 42 of module link together with contiguous block 44 again gets final product.Wherein connecting pin 46 can be existing various types of connecting pins.
For preventing that connecting back connecting pin 46 causes connection failure from the pin-and-hole slippage, sheet metal 42 1 sides are provided with fixation spring tab 28, as Fig. 1,2,3 and shown in Figure 10.This fixation spring tab 28 is to be made of a plurality of orthogonal bent sheet, and these a plurality of orthogonal bent sheet make fixation spring tab have the ability of recovering after elasticity and the slight deformation.A dististyle of fixation spring tab 28 is fixed in drain pan 20 back sides, have the hole in the face of on the bent sheet of sheet metal 42, and the edge of pin-and-hole staggers on bore edges and the sheet metal 42.In the use, pass the hole of the pin-and-hole of sheet metal 42 and fixation spring tab 28 when connecting pin 46 after, fixation spring tab 28 compresses connecting pin 46, thus connecting pin 46 can not move voluntarily.During dismounting, pressing down fixation spring tab 28 can take out connecting pin 46 from sheet metal 42.
In sum, LED of the present utility model shows that module 100 employing light weight, the plastic parts making that permeability is good show the face shield and the drain pan of module, again the metallic power pack is fixed on the drain pan, thereby the weight and the integral thickness of LED demonstration module 100 have been reduced greatly, face shield and drain pan are provided with penetrating pore structure, make whole LED show that module 100 has good permeability.Have that structure is light and handy, ultra-thin, the advantage of controllable size, be easy to realize quick-assembling.In addition, adopt multiple web member, can realize lifting and sit dress, have splicing, advantage easy to adjust, the LED display that can make any moulding such as arc, waveform.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a LED shows module, comprise face shield, drain pan with described face shield fastening, and the pcb board between described face shield and described drain pan, it is characterized in that, described face shield and drain pan are the plastic parts that is provided with penetrating pore structure, and described LED shows that module also comprises and is fixed on power pack behind the described drain pan, that be used to described pcb board power supply.
2. LED according to claim 1 shows module, it is characterized in that, the size of described power pack is less than the size of described drain pan, and makes for metal material.
3. LED according to claim 1 shows module, it is characterized in that, also is provided with waterproof apron between described power pack and the described drain pan.
4. show module according to claim 1 or 3 described LED, it is characterized in that, the first side of described drain pan is provided with first web member, the second side relative with described first side is provided with relative with first web member and can shows second web member that first web member of module be rotatably connected with another LED, the 3rd side of described drain pan is provided with the 3rd web member, and the four side relative with the 3rd side is provided with relative with the 3rd web member and can shows the 4th web member that the 3rd web member of module be rotatably connected with another LED.
5. LED according to claim 4 shows module, it is characterized in that, the described second and the 4th web member is the fixture that is formed with pin-and-hole, the described first and the 3rd web member comprises the fixture that is formed with pin-and-hole and with described first and shipping and reselling on another market of matching of the pin-and-hole of the 3rd web member, have groove or hole on described the shipping and reselling on another market, be with spring on one of them is shipped and resell on another market, this spring makes when not being compressed to ship and resell on another market and stretches out fixture.
6. show module according to claim 1 or 3 described LED, it is characterized in that four jiaos of places of described drain pan also are provided with the connector that is used to make any two LED show module realization paperback and reach and the supporting connector of this connector.
7. show module according to claim 1 or 3 described LED, it is characterized in that, the two ends of described power pack are formed with respectively and are connected and fixed structure, each is connected and fixed and has pin-and-hole on the structure, this side that is connected and fixed structure is provided with fixation spring tab, pass when being connected and fixed structure by pin-and-hole as connecting pin, described fixation spring tab can compress, fix this connecting pin.
8. show module according to claim 2 or 3 described LED, it is characterized in that, be provided with power supply cableties adjacent and signal cableties behind the described drain pan with described power pack.
9. a LED display comprises that a plurality of interconnective LED show module, it is characterized in that, described LED shows that module is that each described LED shows module among the claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200654089U CN202025488U (en) | 2011-03-14 | 2011-03-14 | LED (light-emitting diode) display module and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200654089U CN202025488U (en) | 2011-03-14 | 2011-03-14 | LED (light-emitting diode) display module and LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN202025488U true CN202025488U (en) | 2011-11-02 |
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| CN2011200654089U Expired - Lifetime CN202025488U (en) | 2011-03-14 | 2011-03-14 | LED (light-emitting diode) display module and LED display screen |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646374A (en) * | 2012-04-28 | 2012-08-22 | 北京金立翔艺彩科技股份有限公司 | Rotatable installation and connection device |
| CN102831840A (en) * | 2012-09-13 | 2012-12-19 | 广州市浩洋电子有限公司 | Fast connection mechanism for light emitting diode (LED) display screen |
| CN102915681A (en) * | 2012-09-29 | 2013-02-06 | 深圳市通普科技有限公司 | Outdoor LED (Light-Emitting Diode) grid screen |
| CN103177665A (en) * | 2013-04-08 | 2013-06-26 | 深圳市雷迪奥光电技术有限公司 | LED (light-emitting diode) display screen |
| WO2013149432A1 (en) * | 2012-04-05 | 2013-10-10 | 湖南新亚胜科技发展有限公司 | Quickly and conveniently mountable multifunction display screen |
| CN103366642A (en) * | 2012-04-09 | 2013-10-23 | 索尼公司 | display device |
| CN103377592A (en) * | 2012-04-28 | 2013-10-30 | 深圳市艾尔诺光电技术有限公司 | Structure of light-emitting diode (LED) display screen |
| CN103559842A (en) * | 2013-10-17 | 2014-02-05 | 商松 | LED (light emitting diode) display system and method |
| CN105679195A (en) * | 2016-04-06 | 2016-06-15 | 深圳市创显光电有限公司 | LED (Light-Emitting Diode) display unit and LED display screen composed of LED display unit |
| CN105761628A (en) * | 2016-04-27 | 2016-07-13 | 深圳市创显光电有限公司 | Arc LED display screen capable of being hung |
| CN108230935A (en) * | 2018-03-22 | 2018-06-29 | 深圳市雷迪奥视觉技术有限公司 | Flexible LED display screen |
| US10248372B2 (en) | 2013-12-31 | 2019-04-02 | Ultravision Technologies, Llc | Modular display panels |
| CN109949710A (en) * | 2019-03-07 | 2019-06-28 | 深圳市奥拓电子股份有限公司 | LED display cabinet group and LED display |
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| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
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2011
- 2011-03-14 CN CN2011200654089U patent/CN202025488U/en not_active Expired - Lifetime
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| WO2013149432A1 (en) * | 2012-04-05 | 2013-10-10 | 湖南新亚胜科技发展有限公司 | Quickly and conveniently mountable multifunction display screen |
| CN103366642A (en) * | 2012-04-09 | 2013-10-23 | 索尼公司 | display device |
| CN102646374B (en) * | 2012-04-28 | 2014-09-17 | 北京金立翔艺彩科技股份有限公司 | Rotatable installation and connection device |
| CN102646374A (en) * | 2012-04-28 | 2012-08-22 | 北京金立翔艺彩科技股份有限公司 | Rotatable installation and connection device |
| CN103377592A (en) * | 2012-04-28 | 2013-10-30 | 深圳市艾尔诺光电技术有限公司 | Structure of light-emitting diode (LED) display screen |
| US10891881B2 (en) | 2012-07-30 | 2021-01-12 | Ultravision Technologies, Llc | Lighting assembly with LEDs and optical elements |
| CN102831840A (en) * | 2012-09-13 | 2012-12-19 | 广州市浩洋电子有限公司 | Fast connection mechanism for light emitting diode (LED) display screen |
| CN102831840B (en) * | 2012-09-13 | 2015-06-10 | 广州市浩洋电子有限公司 | Fast connection mechanism for light emitting diode (LED) display screen |
| CN102915681B (en) * | 2012-09-29 | 2015-07-08 | 深圳市通普科技有限公司 | Outdoor LED (Light-Emitting Diode) grid screen |
| CN102915681A (en) * | 2012-09-29 | 2013-02-06 | 深圳市通普科技有限公司 | Outdoor LED (Light-Emitting Diode) grid screen |
| CN103177665A (en) * | 2013-04-08 | 2013-06-26 | 深圳市雷迪奥光电技术有限公司 | LED (light-emitting diode) display screen |
| CN103559842A (en) * | 2013-10-17 | 2014-02-05 | 商松 | LED (light emitting diode) display system and method |
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| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
| CN105679195B (en) * | 2016-04-06 | 2018-07-31 | 深圳市创显光电有限公司 | The LED display of LED display unit and its composition |
| CN105679195A (en) * | 2016-04-06 | 2016-06-15 | 深圳市创显光电有限公司 | LED (Light-Emitting Diode) display unit and LED display screen composed of LED display unit |
| CN105761628B (en) * | 2016-04-27 | 2020-05-22 | 深圳市创显光电有限公司 | Arc-shaped LED display screen capable of being hoisted |
| CN105761628A (en) * | 2016-04-27 | 2016-07-13 | 深圳市创显光电有限公司 | Arc LED display screen capable of being hung |
| CN108230935A (en) * | 2018-03-22 | 2018-06-29 | 深圳市雷迪奥视觉技术有限公司 | Flexible LED display screen |
| CN108230935B (en) * | 2018-03-22 | 2024-09-27 | 深圳市雷迪奥视觉技术有限公司 | Flexible LED display |
| CN109949710A (en) * | 2019-03-07 | 2019-06-28 | 深圳市奥拓电子股份有限公司 | LED display cabinet group and LED display |
| CN109949710B (en) * | 2019-03-07 | 2024-05-24 | 深圳市奥拓电子股份有限公司 | LED display screen box group and LED display screen |
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