CN102163392A - Light emitting diode (LED) assembled screen - Google Patents
Light emitting diode (LED) assembled screen Download PDFInfo
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- CN102163392A CN102163392A CN 201110056390 CN201110056390A CN102163392A CN 102163392 A CN102163392 A CN 102163392A CN 201110056390 CN201110056390 CN 201110056390 CN 201110056390 A CN201110056390 A CN 201110056390A CN 102163392 A CN102163392 A CN 102163392A
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Abstract
The invention discloses a light emitting diode (LED) assembled screen. The LED assembled screen comprises a control box, a framework and at least two LED display modules, wherein the control box at least comprises two independent paths of output interfaces; each output interface is connected with one LED display module; the at least two LED display modules are assembled and fixed on the framework; each of the LED display modules comprises a box body, a circuit board, a pouring sealant, a driving chip, an input interface and a plurality of LED chips; the driving chip and the plurality of are arranged on the circuit board; the driving chip is connected with the LED chips and the input interface respectively; the input interface is formed on the box body and connected with the corresponding output interface of the control box; the box body has a flat structure, and one face of the box body is provided with an opening; the circuit board is arranged in the box body; the pouring sealant is covered on the circuit board so as to seal the opening face of the box body; and the LED chips are arranged on one side, corresponding to the opening face of the box body, of the circuit board. Due to the LED assembled screen, the assembling flexibility of an LED display screen is improved, and the LED assembled screen is convenient to install and maintain.
Description
Technical field
The present invention relates to field LED display technique, particularly relate to a kind of LED assembly unit screen.
Background technology
The LED electronics assembly unit screen that uses at present can show large-scale advertisement pattern and advertisement, publicity language, and can control the color that LED demonstrates different advertisement or conversion by circuit board, helps attracting consumer's eyeball, therefore is subjected to users' welcome deeply.
Existing LED display comprises conventional display screen and bar curtain screen, wherein:
1) conventional display screen comprises thick and heavy casing, and screen body volume is big, and Heavy Weight requires height to carrier is installed, and need take the bigger space of safeguarding, in addition, and installation and maintenance cost height.
2) bar curtain screen, use the bar-shaped LED lamp bar directly to be connected with the control casing, the centre has through hole and connects, the pattern that the junction uses silica gel sealing figure and screw to compress is carried out waterproof, the electric power and the signal wire rod of control casing are connected on the bar-shaped LED lamp bar by this through hole, volume is little in light weight, and has permeability, safeguards that installation cost is all relatively low.But this kind screen body is subjected to structural limitations, and dot spacing is all bigger, and brightness of whole screen and resolution are all lower, can't satisfy the high cls requirement of outdoor high brightness.
For attempting to address the above problem, November 24 2010 Granted publication day, application number is that 201020056546.6 Chinese utility model patent discloses " the outdoor module of a kind of LED ", its major technique is: the outdoor module of this LED comprises the PCB assembly and the module back cover of this PCB assembly is installed, this PCB assembly comprises pcb board and is arranged at the paster LED array on this pcb board surface, this assembling panel surface has transparent face mask, and this transparent face mask outside surface also has the module face shield.
But the present patent application people finds that also in this technical scheme, the outdoor module of this LED is installed more dumb.
Summary of the invention
The embodiment of the invention is installed inflexible technical matters for solving the prior art LED display, and a kind of LED assembly unit screen is provided, and can improve the LED assembly unit and shield degree flexible for installation.
For solving the problems of the technologies described above, the technical scheme that the embodiment of the invention adopts is:
A kind of LED assembly unit screen is provided, comprises: control box, framework and at least two LED display modules; Described control box comprises the two independent output interface at least, and every road output interface connects a LED display module; Described at least two LED display modules splicing is fixed on the framework; Described LED display module comprises box body, circuit board, casting glue, chip for driving, input interface and a plurality of led chip; Described chip for driving and a plurality of led chip are arranged on the described circuit board, and described chip for driving connects led chip and input interface by circuit board respectively; Described input interface is arranged on the box body, and connects the output interface of described control box; Described box body is a flat structure, its recording quantity, and described circuit board is arranged in the described box body, and described casting glue covers described circuit board, and seals the open surface of described box body; Described led chip is arranged at corresponding box body open surface one side of circuit board.
As the further improvement to the embodiment of the invention, described framework comprises entablature and sill at least, and described entablature and sill are linear or arc, and described LED display module detachably is fixed on entablature and the sill respectively at two ends up and down.
As the further improvement to the embodiment of the invention, described assembly unit screen comprises at least two first screws; Described entablature and sill side are provided with first threaded hole; Described box body respectively is provided with first through hole in two ends up and down; Wherein described first a screw afterbody passes first through hole of box body upper end, enter first threaded hole of entablature or side, another described first screw afterbody passes first through hole of box body lower end, enter first threaded hole of sill side, and then described LED display module detachably is fixed on entablature and the sill respectively at two ends up and down.
As the further improvement to the embodiment of the invention, described assembly unit screen comprises second screw; Described control box side edge is provided with second through hole; Described box body is provided with second threaded hole back to the one side of open surface; The described second screw afterbody passes second through hole of control box side edge and enters second threaded hole of box body, and then described control box is fixed on the one side of box body back to open surface.
As the further improvement to the embodiment of the invention, described framework also comprises first column and second column, and described first column and second column be fixedly entablature and sill respectively.
As the further improvement to the embodiment of the invention, described second threaded hole is blind threaded hole.
As further improvement, in assembly unit screen front described LED display module detachably is fixed on entablature and the sill at two ends up and down respectively the embodiment of the invention.
As the further improvement to the embodiment of the invention, described LED display module comprises the face shield that is arranged at the casting glue surface, and described face shield comprises the third through-hole of a plurality of corresponding led chips, and described led chip exposes described third through-hole.
As the further improvement to the embodiment of the invention, described LED assembly unit screen comprises a plurality of anti-dazzling screens, and described anti-dazzling screen is erected on the face shield, between the adjacent LED chip.
For solving the problems of the technologies described above, the embodiment of the invention also adopts another technical scheme:
A kind of LED assembly unit screen is provided, comprises: control device, framework and at least two LED display modules; Described control device comprises the two-way output interface at least, and every road output interface connects a LED display module; Described at least two described LED display module splicings are fixed on the described framework; Described LED display module comprises shell, substrate, colloid, input interface and a plurality of led chip; Described input interface is arranged on the shell, and connects control device output interface and the interior led chip of shell outside the shell respectively; Described shell is a groove structure, and described substrate is arranged in the described groove, and described colloid seals described groove, and covers described substrate; Described led chip is arranged at respective slot opening one side of substrate.
As the further improvement to the embodiment of the invention, described shell is a metal integral impact briquetting housing.
As the further improvement to the embodiment of the invention, described LED assembly unit is shielded whole parts in front installation, loading and unloading or replacing.
The invention has the beneficial effects as follows: be different from prior art inflexible situation is installed, LED assembly unit screen of the present invention has omitted the casing of traditional LED display, but directly is fixed on the LED display module on the framework; And, because it is fixing and to the restriction of following of LED display module, frame size to have abolished the casing size, make the LED display module can realize modular design fully, framework, control box etc. all can be unified design simultaneously, modularization making makes up or dismantles with demand during application, really accomplishes interchangeability and standardization, so the assembling of LED assembly unit screen, structure flexibility ratio height, I﹠M convenience, weight saving, volume reduce, and can realize the standardized stream waterline production of LED assembly unit screen.Secondly,, need not consider being connected between casing and the LED display module, and the LED display module mode that adopts box body to combine with casting glue because there is not casing, can low-cost, low difficulty the better water proof and dust proof effect of realization.Again, because designs simplification, easy construction, efficient significantly improve.In addition, the LED display module adopts design in parallel, is connected with control box, reduces electrically connecting, and also further improves waterproof ability.
Description of drawings
Fig. 1 is the decomposing schematic representation of embodiment of the invention LED assembly unit screen;
Fig. 2 is the assembling synoptic diagram of embodiment of the invention LED assembly unit screen;
Fig. 3 is another assembling synoptic diagram of embodiment of the invention LED assembly unit screen;
Fig. 4 is the schematic cross-section of embodiment of the invention LED display module;
Fig. 5 is the schematic perspective view of embodiment of the invention LED display module;
Fig. 6 is the front schematic view of embodiment of the invention LED display module.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
See also Fig. 1 to Fig. 3, embodiment of the invention LED assembly unit screen.Described LED assembly unit screen comprises: LED display module 1, control box 2 and framework 3.
Described control box 2 comprises two independent output interface (figure does not show) at least, and every road output interface connects a LED display module 1.
Described at least two described LED display module 1 splicings are fixed on the described framework 3.
And seeing also Fig. 4, described LED display module 1 comprises: box body 11, circuit board 12, led chip 14, chip for driving 15, casting glue 16 and input interface 18.
Described chip for driving 15 and a plurality of led chip 14 are arranged on the described circuit board 12, and described chip for driving 15 connects led chip 14 and input interface 18 respectively.
Described input interface 18 is arranged on the box body 11, and connects described output interface (figure does not show);
Described box body 11 is a flat structure, its recording quantity, and described circuit board 12 is arranged in the described box body 11, and described casting glue 16 covers described circuit board 12, and seals described box body 11 open surfaces.
Described led chip 14 is arranged at corresponding box body open surface one side of circuit board 12.
Embodiment of the invention LED assembly unit screen has omitted the casing of traditional LED display, but directly is fixed on the LED display module on the framework; And, because it is fixing and to the restriction of following of LED display module, frame size to have abolished the casing size, make the LED display module can realize modular design fully, framework, control box etc. all can be unified design simultaneously, modularization making makes up or dismantles with demand during application, really accomplishes interchangeability and standardization, so the assembling of LED assembly unit screen, structure flexibility ratio height, I﹠M convenience, weight saving, volume reduce, and can realize the standardized stream waterline production of LED assembly unit screen.Secondly,, need not consider being connected between casing and the LED display module, and the LED display module mode that adopts box body to combine with casting glue because there is not casing, can low-cost, low difficulty the better water proof and dust proof effect of realization.Again, because designs simplification, easy construction, efficient significantly improve.In addition, the LED display module adopts design in parallel, is connected with control box, reduces electrically connecting, and also further improves waterproof ability.
In addition, because the box body 11 of LED display module 1 only has an open surface, all the other are sealing surface all except that input interface, and volume is less, thereby the waterproof and dustproof design is simple especially, and the waterproof and dustproof effect is outstanding especially, and cost is low especially.
See also Fig. 1, in another embodiment of the present invention, described framework 3 comprises entablature (not sign) and sill (not sign) at least, and described entablature and sill are linears, and described LED display module detachably is fixed on entablature and the sill respectively at two ends up and down.
Upper and lower crossbeam generally is rectilinear, LED assembly unit screen can be formed planar structure.But in some special application scenarioss, in order to form the assembly unit screen of arc, described entablature and sill are arcuate structures, and the LED display module can be spliced into cambered surface assembly unit screen or special-shaped assembly unit screen along upper and lower crossbeam, enlarges the visible angle of LED assembly unit screen.
See also Fig. 1, in another embodiment of the present invention, described entablature and sill side are provided with first threaded hole 31; Described box body 11 respectively is provided with first through hole (figure does not show) in two ends up and down back to the one side of open surface; Described assembly unit screen comprises at least two first screws (figure does not show); Wherein described first a screw afterbody passes first through hole of box body 11 upper ends, enter first threaded hole 31 of entablature or side, another described first screw afterbody passes first through hole of box body 11 lower ends, enter first threaded hole 31 of sill side, and then described LED display module detachably is fixed on entablature and the sill respectively at two ends about in the of 1.
In embodiments of the present invention, employing two ends is provided with first through hole at box body about in the of 11, correspondence is provided with first threaded hole 31 at entablature and sill side, and pass first through hole and enter first threaded hole 31 by first screw, LED display module 1 is fixed on the framework 3, make and in assembly unit screen front described LED display module detachably to be fixed on entablature and the sill at two ends about in the of 1 respectively, further improve the assembling flexibility ratio of LED assembly unit screen.
In another embodiment of the present invention, described framework 3 also comprises first column (figure does not show) and second column (figure does not show), and described first column and second column be entablature and sill fixedly.
See also Fig. 1, in another embodiment of the present invention, described assembly unit screen comprises second screw (figure does not show); Described control box 2 side edge are provided with second through hole 21; Described box body 11 is provided with second threaded hole 17 (consulting Fig. 4) back to the one side of open surface; The described second screw afterbody passes second through hole 21 of control box 2 side edge, and enters second threaded hole of box body 11, and then described control box 2 is fixed on the one side of box body 11 back to open surface.In other embodiments, described second threaded hole 17 can replace to clothes-hook, and second through hole 21 of clothes-hook on the box body 11 and control box 2 fastens, and also described control box 2 can be fixed on the one side of box body 11 back to open surface.Similarly method is applicable to fixing between box body 11 and the framework 3.
The embodiment of the invention by second through hole and second threaded hole are set, makes things convenient for being connected of control box and LED display module, further improves the assembling flexibility ratio of LED assembly unit screen.When described second threaded hole is the through hole whorl hole, make things convenient for the front I﹠M of LED assembly unit screen; When described second threaded hole is blind threaded hole, can in advance LED display module and control box be carried out I﹠M before the LED display module is fixed on framework, LED assembly unit screen is more apparent succinct.
Especially, the foregoing description can be realized the LED assembly unit is shielded fully from the front I﹠M simply, makes things convenient for I﹠M, as long as adopt above-mentioned technical scheme:
1) two ends first through hole is set at box body about in the of 11, correspondence is provided with first threaded hole 31 at entablature and sill side, and passes first through hole and enter first threaded hole 31 by first screw, and LED display module 1 is fixed on the framework 3;
2) be provided with second through hole 21 in described control box 2 side edge, corresponding be provided with second threaded hole 17 (consulting Fig. 4) back to the one side of open surface at described box body 11, and pass second through hole 21 of control box 2 side edge and enter second threaded hole of box body 11 by described second screw, described control box 2 is fixed on the one side of box body 11 back to open surface.
That is, the staff may stand in the front (being the dead ahead) of LED assembly unit screen installation site, need not to enter the back side of LED assembly unit screen, promptly control box 2 can be fixed on the LED display module 1; The staff still may stand in the front of LED assembly unit screen installation site, need not to enter the back side of LED assembly unit screen, promptly 1 pieces of LED display module can be fixed on the framework 3;
When mounted LED assembly unit screen being safeguarded or changes, the staff still may stand in the front of LED assembly unit screen, need not to enter the back side of LED assembly unit screen, directly LED display module 1 is safeguarded or changed, taking out control box 2 simultaneously safeguards, also can be according in order aforesaid, control box 2 is changed in operation conversely.
Please in conjunction with Fig. 4, in another embodiment of the present invention, described LED display module 1 comprises face shield 13, and described face shield 13 supports by box body 11, and covers described casting glue 16; Described face shield 13 also comprises the third through-hole (not sign) that a plurality of corresponding led chips 14 expose; Described face shield 13 also comprises anti-dazzling screen 131, and described anti-dazzling screen 131 is erected on the face shield 13, between the adjacent LED chip 14.
The embodiment of the invention passes through to increase face shield and casting glue, water proof and dust proof, and by the anti-dazzling screen of increase, light utilization is higher in addition.
In another embodiment of the present invention, described led chip 14 and chip for driving 15 are arranged at the one side that described box body 14 opens wide.Described casting glue 16 also covers described led chip 14 and chip for driving 15, and described led chip 14 is exposed to casting glue 16.
In embodiments of the present invention, led chip 14 and chip for driving 15 are arranged at box body 11 and open wide one side the same side, save the space, reduce LED display module 1 thickness, because surface coverage has casting glue 16, water resistance is better.
In conjunction with Fig. 1 and Fig. 4, in another embodiment of LED display of the present invention, LED display comprises:
Control device, framework 3 and at least two LED display modules 1;
Described control device comprises the two-way output interface at least, and every road output interface connects a LED display module 1;
Described at least two described LED display module 1 splicings are fixed on the described framework 3;
Described LED display module comprises that shell (can be the box body 11 in the foregoing description, also can be other shell structures), substrate (can be the circuit board 12 in the foregoing description, also can be the sheet material that other materials is made), colloid (can be the casting glue 16 in the foregoing description), input interface and a plurality of led chip 14 as long as can play sealing function; Described input interface 18 is arranged on the shell, and connects control device output interface and the interior led chip 14 of shell outside the shell respectively; Described shell is a groove structure, and described substrate is arranged in the described groove, and described colloid seals described groove, and covers described substrate; Described led chip 14 is arranged at respective slot opening one side of substrate.
Preferably, described shell adopts the metal integral impact briquetting.The outer back cover design of the metal of use punching press substitutes the plastic module and the metal cabinet of traditional design, can save material, enhance productivity.
Wherein, described LED assembly unit is shielded whole parts and can be installed, load and unload or change in the front.
Embodiment of the invention LED assembly unit screen has omitted the casing of traditional LED display, but directly is fixed on the LED display module on the framework; And, because it is fixing and to the restriction of following of LED display module, frame size to have abolished the casing size, make the LED display module can realize modular design fully, framework, control box etc. all can be unified design simultaneously, modularization making makes up or dismantles with demand during application, really accomplishes interchangeability and standardization, so the assembling of LED assembly unit screen, structure flexibility ratio height, I﹠M convenience, weight saving, volume reduce, and can realize the standardized stream waterline production of LED assembly unit screen.Secondly,, need not consider being connected between casing and the LED display module, and the LED display module mode that adopts shell to combine with gel phase because there is not casing, can low-cost, low difficulty the better water proof and dust proof effect of realization.Again, because designs simplification, easy construction, efficient significantly improve.In addition, the LED display module adopts design in parallel, is connected with control box, reduces electrically connecting, and also further improves waterproof ability.
Comprehensive the foregoing description, the embodiment of the invention possesses following technique effect at least:
1) can realize simply the LED assembly unit is shielded fully from the front I﹠M, make things convenient for I﹠M;
2) innovation of structural design theory comprises that LED shows implementing of modularity notion, makes LED display module, control box and framework be the standard module design, each other can flexible combination, be combined into a complete LED display, structure is lightly flexible, realizes interchangeability and standard;
3) described LED assembly unit screen has also omitted the casing of traditional LED assembly unit screen, and structure is more frivolous, and weight has only 36% of traditional LED assembly unit screen;
4) because control box is a mode in parallel with the LED display module, electrically connect point and reduce, be about traditional display screen 50%;
5) because LED display module and framework are standardized designs, need not design again at various environment, because need not be equipped with casing when forming various area display screen, only need to do simple installation frame, can follow requirement according to the show, anyhow be assembled into the LED assembly unit screen that needs arbitrarily by several or a plurality of these LED display modules, thereby realize the production of LED assembly unit screen standardized stream waterline;
6) can store the gamma correction data on the led module, flexibly and make things convenient for after sale service and product maintenance;
7) light structural design can be safeguarded design in conjunction with the front, realizes installing by wall, and easy construction improves operating efficiency, reduces installation cost, saves installing space;
8) each parts in the embodiment of the invention all have independent waterproof measure, particularly, the embodiment of the invention is the structure of independent displaying module and independent control box, independent displaying module and independent control box all have independent waterproof construction, there is not waterproof construction between the two, also need not waterproof construction, so reach the very high full waterproof effect of reliability;
9) owing to simple in structure, system stability, good heat dissipation.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (12)
1. a LED assembly unit screen is characterized in that, comprising:
Control box, framework and at least two LED display modules;
Described control box comprises the two independent output interface at least, and every road output interface connects a LED display module;
Described at least two LED display modules splicing is fixed on the framework;
Described LED display module comprises box body, circuit board, casting glue, chip for driving, input interface and a plurality of led chip;
Described chip for driving and a plurality of led chip are arranged on the described circuit board, and described chip for driving connects led chip and input interface by circuit board respectively;
Described input interface is arranged on the box body, and connects the output interface of described control box;
Described box body is a flat structure, its recording quantity, and described circuit board is arranged in the described box body, and described casting glue covers described circuit board, and seals the open surface of described box body;
Described led chip is arranged at corresponding box body open surface one side of circuit board.
2. LED assembly unit screen according to claim 1 is characterized in that,
Described framework comprises entablature and sill at least, and described entablature and sill are linear or arc, and described LED display module detachably is fixed on entablature and the sill respectively at two ends up and down.
3. LED assembly unit screen according to claim 2 is characterized in that,
Described assembly unit screen comprises at least two first screws;
Described entablature and sill side are provided with first threaded hole;
Described box body respectively is provided with first through hole in two ends up and down;
Wherein described first a screw afterbody passes first through hole of box body upper end, enter first threaded hole of entablature or side, another described first screw afterbody passes first through hole of box body lower end, enter first threaded hole of sill side, and then described LED display module detachably is fixed on entablature and the sill respectively at two ends up and down.
4. LED assembly unit screen according to claim 3 is characterized in that,
Described assembly unit screen comprises second screw;
Described control box side edge is provided with second through hole;
Described box body is provided with second threaded hole back to the one side of open surface;
The described second screw afterbody passes second through hole of control box side edge and enters second threaded hole of box body, and then described control box is fixed on the one side of box body back to open surface.
5. LED assembly unit screen according to claim 4 is characterized in that,
Described second threaded hole is blind threaded hole.
6. LED assembly unit screen according to claim 2 is characterized in that,
Described framework also comprises first column and second column, and described first column and second column be fixedly entablature and sill respectively.
7. according to claim 2 or 3 described LED assembly unit screens, it is characterized in that, in assembly unit screen front described LED display module detachably is fixed on entablature and the sill at two ends up and down respectively.
8. LED assembly unit screen according to claim 1 is characterized in that,
Described LED display module comprises the face shield that is arranged at the casting glue surface, and described face shield comprises the third through-hole of a plurality of corresponding led chips, and described led chip exposes described third through-hole.
9. LED assembly unit screen according to claim 1 is characterized in that,
Described LED assembly unit screen comprises a plurality of anti-dazzling screens, and described anti-dazzling screen is erected on the face shield, between the adjacent LED chip.
10. a LED assembly unit screen is characterized in that, comprising:
Control device, framework and at least two LED display modules;
Described control device comprises the two-way output interface at least, and every road output interface connects a LED display module;
Described at least two described LED display module splicings are fixed on the described framework;
Described LED display module comprises shell, substrate, colloid, input interface and a plurality of led chip;
Described input interface is arranged on the shell, and connects control device output interface and the interior led chip of shell outside the shell respectively;
Described shell is a groove structure, and described substrate is arranged in the described groove, and described colloid seals described groove, and covers described substrate;
Described led chip is arranged at respective slot opening one side of substrate.
11. LED assembly unit screen according to claim 9 is characterized in that,
Described shell is a metal integral impact briquetting housing.
12. LED assembly unit screen according to claim 9 is characterized in that,
Described LED assembly unit is shielded whole parts in front installation, loading and unloading or replacing.
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| CN 201110056390 CN102163392B (en) | 2011-03-09 | 2011-03-09 | Light emitting diode (LED) assembled screen |
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| CN102314812A (en) * | 2011-08-26 | 2012-01-11 | 创维光电科技(深圳)有限公司 | LED (Light-Emitting Diode) display screen |
| CN102814429A (en) * | 2012-05-17 | 2012-12-12 | 深圳雷曼光电科技股份有限公司 | Light-emitting diode (LED) assembling screen and bottom casing and bottom casing manufacture method thereof |
| CN103165028A (en) * | 2011-12-09 | 2013-06-19 | 上海本星电子科技有限公司 | Embedded light emitting diode (LED) display screen and manufacture process thereof |
| CN103208240A (en) * | 2013-04-01 | 2013-07-17 | 长春希达电子技术有限公司 | Integrated LED (light emitting diode) display unit panel with large viewing angle |
| CN103208239A (en) * | 2013-04-01 | 2013-07-17 | 长春希达电子技术有限公司 | LED (light emitting diode) display unit panel with shading films |
| CN105280108A (en) * | 2015-12-03 | 2016-01-27 | 长沙信元电子科技有限公司 | Arc-shaped LED screen and factory manufacturing and field installation method thereof |
| CN105303986A (en) * | 2015-12-02 | 2016-02-03 | 长沙信元电子科技有限公司 | LED display module installation unit |
| CN108564892A (en) * | 2018-03-09 | 2018-09-21 | 厦门强力巨彩光电科技有限公司 | A kind of LED display mask |
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| CN110648599A (en) * | 2018-06-26 | 2020-01-03 | 杭州海康威视数字技术股份有限公司 | LED box body lamp panel interface device and LED box body with same |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
| CN112498536A (en) * | 2020-11-26 | 2021-03-16 | 安徽辰吉新能源科技有限公司 | Automatic steering system of steering headlamp |
| CN112908194A (en) * | 2021-01-26 | 2021-06-04 | 深圳市健炜创光电科技有限公司 | Cascadable lamp strip for display screen |
| CN113066397A (en) * | 2021-04-15 | 2021-07-02 | 深圳市金翰半导体技术有限公司 | LED display module with stable structure and good flatness |
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