CN205508296U - LED display module group - Google Patents
LED display module group Download PDFInfo
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- CN205508296U CN205508296U CN201620129864.8U CN201620129864U CN205508296U CN 205508296 U CN205508296 U CN 205508296U CN 201620129864 U CN201620129864 U CN 201620129864U CN 205508296 U CN205508296 U CN 205508296U
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- lamp plate
- casing
- retaining mechanism
- anterior lamp
- led
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Abstract
The utility model provides a LED display module group, it includes: box, the anterior lamp plate that is connected with the box and the roughness adjustment mechanism who is used for adjusting the roughness of anterior lamp plate, wherein, roughness adjustment mechanism inhales the subassembly including setting up the coupling assembling on anterior lamp plate and setting up on the box and with coupling assembling matched with magnetism, and the position that the subassembly is inhaled to regulation magnetism is in order to adjust the roughness of anterior lamp plate. According to the utility model discloses a LED display module group, magnetism inhale the subassembly can adsorb coupling assembling in order to connect anterior lamp plate and box. When the user adjusted magnetism and inhales the position of subassembly, magnetism inhaled that the subassembly can drive coupling assembling and anterior lamp plate removes to position to anterior lamp plate is adjusted, realizes adjusting the roughness of anterior lamp plate. When adopting this regulative mode to adjust the roughness of anterior lamp plate, accommodation process is simple swift and low to the machining precision requirement of each spare part, practices thrift dismouting cost and manufacturing cost.
Description
Technical field
This utility model relates to security device, particularly relates to a kind of LED and shows module.
Background technology
The range of application of LED display module is more and more extensive, and the requirement to LED display module is more and more higher,
The surface smoothness of LED display module is one of important indicator weighing LED display module quality and precision.
The lamp plate of existing LED display module is connected with plastic frame body screw, not only complicated integral structure, and
The flatness of anterior seamless spliced lamp plate cannot be carried out adjustment, the plastic frame body that places one's entire reliance upon and die casting casing
End face machining accuracy and the assembly precision of correlated parts, require higher to packaging technology.Use this assembling side
If the LED after formula assembles shows that module anterior lamp plate will be unable to its flatness when there is irregular situation
It is adjusted.
Utility model content
If technical problem to be solved in the utility model is to overcome LED in prior art to show module
Anterior lamp plate will be unable to the deficiency being adjusted its flatness when there is irregular situation.
For the problems referred to above, the utility model proposes a kind of LED and show module, comprising: casing and institute
State anterior lamp plate that casing is connected and for regulating the flatness regulation machine of the flatness of described anterior lamp plate
Structure；Wherein, described flatness governor motion includes being arranged on the connection assembly on described anterior lamp plate and setting
Be connected, on described casing and with described, the magnetic assembly that assembly matches, regulate the position of described magnetic assembly with
Regulate the flatness of described anterior lamp plate.
Show module according to LED of the present utility model, be connected when front portion lamp plate is carried out installation by needs with casing
Time, by the magnetic assembly connected on assembly alignment casing on anterior lamp plate.Magnetic assembly can adsorb connection
Assembly is to connect anterior lamp plate and casing.When user regulates the position of magnetic assembly, magnetic assembly can the company of drive
Connected components and anterior lamp plate move, thus are adjusted the position of anterior lamp plate, it is achieved to anterior lamp plate
Flatness is adjusted.When using this regulative mode that the flatness of anterior lamp plate is adjusted, regulation process letter
Single quick and low to the requirement on machining accuracy of each parts, save dismounting cost and production cost.
In one embodiment, described connection assembly include be connected with described anterior lamp plate first be connected post with
And it is connected, with described first, the connection dish that post is connected.The end face of connection dish is big, thus first connects post and be connected
The external diameter of dish is different, has saved processing and manufacturing and become while ensureing to form stable connection status with magnetic assembly
This.
In one embodiment, described connection dish is iron piece or Magnet.Connection dish can be direct with magnetic assembly
Realizing connecting by magnetic attraction, connection procedure is quick, and connection status is reliable.
In one embodiment, casing being provided with the hole, location of through described casing, described magnetic assembly includes
It is connected with hole, described location and post can be connected along move axially the second of hole, described location and be arranged on
Described second connects post towards the annular magnet on the end of described anterior lamp plate.Annular magnet leads to being connected assembly
Cross magnetic attraction to realize connecting.When the second connection post moves axially in positioning hole, it is possible to drive annular magnet same
Moved further, and then drive anterior lamp plate to move to be adjusted with the position to anterior lamp plate by connecting assembly.
In one embodiment, described second connects post threadeds with hole, described location, and regulation work is the easiest
Operation.It addition, when on the hole wall positioning hole, processing and manufacturing goes out the screw thread of different pitch, second connects post exists
Amount of feeding when rotating a circle in hole, location can be different, thus meet anterior lamp plate in different use occasions to flat
The requirement of whole degree degree of regulation.
In one embodiment, it is provided with conducting foam between described casing and described anterior lamp plate.Conducting foam
Enable to LED display module and meet electrostatic and radiation protection requirement.
In one embodiment, described casing is provided with the first retaining mechanism and with described first retaining mechanism
The second retaining mechanism that locking coordinates, described first retaining mechanism and the second retaining mechanism are oppositely arranged.Work as needs
When being spliced by plural LED display module, the first retaining mechanism on a casing can be with adjacent
Another casing on the second retaining mechanism lock cooperation mutually, thus by fast for two adjacent LED display modules
Speed and be stitched together securely.
In one embodiment, described first retaining mechanism include the first gland of being connected with described casing and
Sleeve that described first gland matches and be arranged on the spring between described sleeve and described casing；Described
Two retaining mechanisms include what the second gland being oppositely arranged with described first gland was connected with described second gland
Connecting shaft and the lock shaft being connected with described connecting shaft.When plural LED display module is entered by needs
During row splicing, the lock shaft on a casing can lock cooperation mutually with the sleeve on another adjacent casing,
Thus two adjacent LED display modules quickly and are securely stitched together.
In one embodiment, described first retaining mechanism includes the fixed plate being connected with described casing, described
Second retaining mechanism include the fixing sleeve that is connected with described casing and is oppositely arranged with described fixed plate and
It is arranged on the locking shaft in described fixing sleeve.Locking shaft can coordinate with fixed plate locking with by two adjacent tank
Body connects into an entirety.
In one embodiment, described casing includes that at least one pair of is arranged on the surface of the most described anterior lamp plate
And the kink that the most described front portion lamp plate extends；Two described kinks of every centering are oppositely arranged；Wherein,
On one described kink of every centering, described first retaining mechanism is set, another described kink arranges institute
State the second retaining mechanism.Kink is the first retaining mechanism or the second retaining mechanism provides installation position, it is simple to
Pre-install the first retaining mechanism or the second retaining mechanism on casing, facilitate the later stage that plural casing is carried out group
Dress, time saving and energy saving, packaging efficiency is high.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, this utility model will be described in more detail.
Fig. 1 is the decomposition texture schematic diagram of the LED display module of the present embodiment.
Fig. 2 is the product sectional structure schematic diagram of the LED display module of the present embodiment.
Fig. 3 is partial enlarged drawing at A in Fig. 2.
Fig. 4 is that two LED display modules of an embodiment are in splicing assembled state schematic diagram.
Fig. 5 is partial enlarged drawing at B in Fig. 4.
Fig. 6 is that two LED display modules of an embodiment complete splicing assembling schematic diagram.
Fig. 7 is partial enlarged drawing at C in Fig. 6.
Fig. 8 is that two LED display modules of another embodiment are in splicing assembled state schematic diagram.
Fig. 9 is partial enlarged drawing at D in Fig. 8.
Figure 10 is the structural representation of the fixed plate of the present embodiment.
Description of symbols:
10, LED shows module；11, casing；111, kink；12, anterior lamp plate；13, connection group
Part；131, first connects post；132, connection dish；14, magnetic assembly；141, second connects post；142、
Annular magnet；15, hole, location；16, conducting foam；17, the first gland；18, sleeve；19, spring；
20, the second gland；21, connecting shaft；22, lock shaft；221, guide section；23, fixed plate；231, lead
To groove；232, lock groove；24, fixing sleeve；25, locking shaft；251, sealed projection；252, accommodate
Hole；26, handle；27, housing；28, extension spring；29 fix post.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not drawn according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, the LED display module 10 of the present embodiment includes casing 11 and casing 11
The anterior lamp plate 12 that is connected and for regulating the flatness governor motion of anterior lamp plate 12 flatness.
As shown in Figure 2 and Figure 3, flatness governor motion includes the connection assembly being arranged on anterior lamp plate 12
13 and be arranged on casing 11 and be connected the magnetic assembly 14 that assembly 13 matches.When needs are by front portion
Lamp plate 12 carries out with casing 11 installing when being connected, and the connection assembly 13 on the lamp plate 12 of front portion is directed at casing 11
On magnetic assembly 14.Magnetic assembly 14 can adsorb connection assembly 13 to connect anterior lamp plate 12 and case
Body 11.When user regulates the position of magnetic assembly 14, magnetic assembly 14 can band be dynamically connected assembly 13 and
Anterior lamp plate 12 moves, thus is adjusted the position of anterior lamp plate 12, it is achieved to anterior lamp plate 12
Flatness is adjusted.
The connection assembly 13 arranged on anterior lamp plate 12 includes the first connection post 131 and is connected post 131 with first
The connection dish 132 being connected.One end of first connection post 131 is fixing with anterior lamp plate 12 to be connected.Connection dish
132 be connected the other end of post 131 with first threaded.Connection dish 132 can be iron piece, it is also possible to be
Magnet.When connection dish 132 is iron piece, the integrated processing and manufacturing of post 131 can be connected with first.
On casing 11 arrange magnetic assembly 14 include be connected with casing 11 second be connected post 141 and
It is arranged on the annular magnet 142 on the end towards anterior lamp plate 12 of the second connection post 141.On casing 11
It is provided with hole 15, location.Second connects post 141 threadeds with hole 15, location.Hole 15, location is through casing
The through hole of 11.In the side of casing 11 anterior lamp plate 12 dorsad, aid (such as screwdriver) is used to lead to
Crossing hole, location 15 and carry out turn second when connecting post 141, second connects post 141 can be along fixed in hole 15, location
Moving axially of hole 15, position.
When by the connection dish 132 of anterior lamp plate 12 with the annular magnet 142 on casing 11 on time, annular magnetic
Ferrum 142 adsorbs connection dish 132 so that annular magnet 142 towards anterior lamp plate 12 end face be connected dish
132 contact laminating towards the end face of casing 11.After completing the connection work of anterior lamp plate 12 and casing 11,
Operator can use aid to be come the second position connecting post 141 by the hole 15, location on casing 11
It is adjusted, and then the second connection post 141 can drive annular magnet 142 to move.Due to annular magnet 142
Having adsorbed connection dish 132, when therefore annular magnet 142 is moved, annular magnet 142 can be by even
Flange 132 and first connects post 131 and drives anterior lamp plate 12 synchronizing moving, thus to anterior lamp plate 12 with
Distance between casing 11 is adjusted.Anterior lamp plate 12 with casing 11 can be respectively provided with many groups flat
Whole degree governor motion, namely the corresponding connection assembly 13 in many group positions and magnetic assembly 14, thus realize right
The multi-point regulation of the position of anterior lamp plate 12, improves degree of regulation.
After multiple LED display module 10 completes splicing assembling, operator can use instrument to pass through casing 11
On hole 15, location the anterior lamp plate 12 of each LED display module 10 is carried out position adjustment, and then adjust
Flatness between each anterior lamp plate 12.Use this regulative mode that the position of anterior lamp plate 12 is adjusted
And the flatness between multiple anterior lamp plate 12 is when being adjusted, regulation process simple and fast and to each zero
The requirement on machining accuracy of parts is low, saves dismounting cost and production cost.
As it is shown on figure 3, be provided with conducting foam 16 between casing 11 and anterior lamp plate 12.Casing 11 towards
It is provided with annular groove on the surface of anterior lamp plate 12.Annular groove is provided with the conducting foam 16 of annular.
After anterior lamp plate 12 is connected with casing 11, anterior lamp plate 12 extrudes conducting foam 16 jointly with casing 11.Lead
Electricity foam 16 enables to LED display module 10 and meets electrostatic and radiation protection requirement.
The first retaining mechanism and the second locking machine coordinated with the first retaining mechanism locking it is provided with on casing 11
Structure, the first retaining mechanism and the second retaining mechanism are oppositely arranged.When plural LED is shown module by needs
10 when splicing, the first retaining mechanism on a casing 11 can with on another adjacent casing 11
Cooperation locked mutually by second retaining mechanism, thus is stitched together by two adjacent LED display modules 10.First
Retaining mechanism and the second retaining mechanism are arranged on the sidewall of casing 11, and sidewall here refers to and anterior lamp
The outer wall that plate 12 is perpendicular.
In the present embodiment, casing 11 includes that at least one pair of is arranged on the surface of anterior lamp plate 12 dorsad and dorsad
The kink 111 that anterior lamp plate 12 extends.Two kinks 111 of every centering are oppositely arranged.The one of every centering
On individual kink 111, first retaining mechanism is set, another kink 111 arranges the second retaining mechanism.Curved
It is provided with through hole on folding part 111.
As shown in Figure 4, Figure 5, in one embodiment, the first retaining mechanism includes being arranged on the one of casing 11
Sleeve 18 that the first gland 17 on individual kink 111 matches with the first gland 17 and be arranged on sleeve
Spring 19 between 18 and kink 111.First gland 17 is fixed by screws on kink 111.The
One gland 17 includes the shoulder hole being coaxially disposed with the through hole of kink 111.Outside one end of sleeve 18 is provided with
The flange turned over.The step surface phase clamping of flange and shoulder hole.Set between the kink 111 of flange and casing 11
Put spring 19.Sleeve 18 passes to be provided with in that part in less hole, the aperture of the first gland 17 and screws hands
Handle, facilitates user's turnbarrel 18.Sleeve 18 includes screwed hole and the pilot hole being connected with screwed hole.
Second retaining mechanism includes the second gland 20 and the second gland 20 phase being oppositely arranged with the first gland 17
The connecting shaft 21 connected and the lock shaft 22 being connected with connecting shaft 21.Second gland 20 is set by screw
Put on another kink 111 being oppositely arranged with the kink 111 being provided with the first gland 17 on casing 11.
Being provided with screwed hole on second gland 20, connecting shaft 21 includes the thread segment closed with corresponding threaded holes.Connecting shaft
One end of 21 connects to be had for locking friction tight lock shaft 22 with sleeve 18.Lock shaft 22 includes and sleeve 18
The thread segment of screwed hole threaded engagement and the guide section 221 that matches with the pilot hole of sleeve 18.
As shown in Figure 4, Figure 5, original state, the thread segment of connecting shaft 21 and the screwed hole of the second gland 20
It is not connected with.When a single LED display module 10 is shown module with another single LED by needs
10 when carrying out assembling splicing, is first screwed by the thread segment of the connecting shaft 21 on LED display module 10
With the position of fixed connection shaft 21 in the screwed hole of the second gland 20, now, lock shaft 22 is through two
The through hole of the kink 111 of individual casing 11 also extend into the shoulder hole of the first gland 17.Then, to another
Sleeve 18 on individual LED display module 10 applies pressure, and the guide section 221 of lock shaft 22 enters sleeve 18
Pilot hole in guide be fitted to each other, after the screwed hole of sleeve 18 contacts with the thread segment of lock shaft 22,
By rotatable handle sleeve 18 so that the screwed hole of sleeve 18 is threadeded with the thread segment of lock shaft 22,
Meanwhile, the flange of sleeve 18 gradually reduces spring 19.Finally, as shown in Figure 6, Figure 7, sleeve 18
Locking with lock shaft 22, the casing 11 of two single LED display modules 10 is compressed in the first gland 17
And second between gland 20 to complete assembling each other.Joined by the connection locking of each structural member above
Close, it is possible to plural LED display module 10 carry out quick assembly and disassembly so that assembly working or
Dismantlement work is easy to operate, and efficiency is high.
As shown in Figure 8, Figure 9, in another embodiment, the first retaining mechanism includes being arranged on casing 11
Fixed plate 23 on kink 111.Fixed plate 23 is fixed by screws on kink 111.Such as Figure 10 institute
Show, fixed plate 23 is provided with the centre bore that the through hole with kink 111 is coaxially disposed.The hole wall of centre bore
On be provided with the gathering sill 231 of through fixed plate 23.It is provided with on the hole wall of the through hole of kink 111 and guides
The groove that groove 231 is corresponding.It is provided with lock groove 232 on the surface of fixed plate 23 kink 111 dorsad.Locking
Groove 232 is arranged alternately with gathering sill 231.In the present embodiment, a guiding is set between two lock grooves 232
Groove 231.
Second retaining mechanism include being arranged on the fixing sleeve 24 on another kink 111 of casing 11 and
It is arranged on the locking shaft 25 in fixing sleeve 24.Locking shaft 25 is on the outer peripheral face of the end of kink 111
It is provided with the sealed projection 251 for matching with the lock groove 232 in fixed plate 23.Locking shaft 25 away from
Handle 26 it is provided with on the end of kink 111.By operation handle 26, it is possible to actuate locking shaft 25 along curved
Moving axially or rotation in fixing sleeve 24 of the through hole of folding part 111.Locking shaft 25 is provided with handle 26
The end face of end be pressed on the inwall of the housing 27 being connected with kink 111, thus by housing 27
Spacing and can not deviate from fixing sleeve 24.
The receiving hole 252 axially extended it is provided with in locking shaft 25.Receiving hole 252 is blind hole, and opening is arranged
On the end face of the end that locking shaft 25 arranges handle 26.Extension spring 28 it is provided with in receiving hole 252.Extension spring
One end of 28 is fixed at the bottom of the hole of receiving hole 252, and it is fixing that the other end is connected to be fixedly connected with housing 27
On post 29.A part for fixing post 29 is inserted in receiving hole 252 preferably to support locking shaft 25 right
Locking shaft 25 is formed spacing.
The process that one casing 11 realizes splicing with another casing 11 is:
By the through-hole alignment of the kink 111 of two casings 11, operation handle 26 is to actuate locking shaft 25 edge
Moving axially of the through hole of kink 111, locking shaft 25 is elongated extension spring 28 and is made extension spring 28 accumulation of energy.Locking
Axle 25 is through the centre bore entering fixed plate 23 after the through hole of kink 111.The sealed projection of locking shaft 25
251 match with the gathering sill 231 of fixed plate 23.Locking shaft 25 continues to move to, final sealed projection 251
Pass gathering sill 231 and cross the surface of fixed plate 23.Then rotary handle 26 so that locking shaft 25 is along fixing
Rotating in a circumferential direction of sleeve 24, thus the sealed projection 251 of locking shaft 25 is to the lock groove 232 of fixed plate 23
Mobile.When after the sealed projection 251 of locking shaft 25 and lock groove 232 para-position of fixed plate 23, stop operating.
Under the pulling force effect of extension spring 28, reverse the moving axially along kink 111 of locking shaft 25, sealed projection 251
Enter into and lock groove 232 completes the locking work of two casings 11, i.e. complete two LED and show module
The splicing operation of 10.Two kinks 111 are compressed between fixed plate 23 and fixing sleeve 24.
Coordinated by the connection locking of each structural member above, it is possible to plural LED is shown module 10
Carrying out quick assembly and disassembly so that assembly working or dismantlement work are easy to operate, efficiency is high.
Although this utility model being described by reference to preferred embodiment, but without departing from this utility model
Scope in the case of, can to its carry out various improvement and can with equivalent replace parts therein.Especially
It is, as long as there is not structural hazard, the every technical characteristic being previously mentioned in each embodiment all can be the most square
Formula combines.This utility model is not limited to specific embodiment disclosed herein, but includes falling into right
All technical schemes in the range of requirement.
Claims (10)
1. a LED shows module, it is characterised in that including:
Anterior lamp plate that casing is connected with described casing and for regulating the flatness of described anterior lamp plate
Flatness governor motion；
Wherein, described flatness governor motion includes being arranged on the connection assembly on described anterior lamp plate and setting
Be connected, on described casing and with described, the magnetic assembly that assembly matches, regulate the position of described magnetic assembly with
Regulate the flatness of described anterior lamp plate.
LED the most according to claim 1 shows module, it is characterised in that described connection assembly includes
First be connected with described anterior lamp plate is connected post and is connected, with described first, the connection dish that post is connected.
LED the most according to claim 2 shows module, it is characterised in that described connection dish is iron
Part or Magnet.
LED the most according to claim 1 shows module, it is characterised in that be provided with on described casing
The hole, location of through described casing, described magnetic assembly includes being connected with hole, described location and can be along described fixed
Move axially the second of hole, position connects post and is arranged on described second connection post towards described anterior lamp plate
Annular magnet on end.
LED the most according to claim 4 shows module, it is characterised in that described second connect post with
Hole, described location is threaded.
LED the most according to claim 1 shows module, it is characterised in that described casing with described before
It is provided with conducting foam between portion's lamp plate.
LED the most according to claim 1 shows module, it is characterised in that be provided with on described casing
First retaining mechanism and the second retaining mechanism coordinated with described first retaining mechanism locking, described first locking
Mechanism is oppositely arranged with the second retaining mechanism.
LED the most according to claim 7 shows module, it is characterised in that described first retaining mechanism
The sleeve that matches with described first gland including the first gland being connected with described casing and be arranged on institute
State the spring between sleeve and described casing；Described second retaining mechanism includes being oppositely arranged with described first gland
The connecting shaft that is connected with described second gland of the second gland and the locking that is connected with described connecting shaft
Axle.
LED the most according to claim 7 shows module, it is characterised in that described first retaining mechanism
Including the fixed plate being connected with described casing, described second retaining mechanism include being connected with described casing and with
Fixing sleeve that described fixed plate is oppositely arranged and be arranged on the locking shaft in described fixing sleeve.
LED the most according to claim 7 shows module, it is characterised in that described casing includes at least
It is arranged on for a pair on the surface of the most described anterior lamp plate and the kink of the most described anterior lamp plate extension；Every pair
In two described kinks be oppositely arranged；Wherein, a described kink of every centering arranges described first
Retaining mechanism, another described kink arranges described second retaining mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620129864.8U CN205508296U (en) | 2016-02-19 | 2016-02-19 | LED display module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620129864.8U CN205508296U (en) | 2016-02-19 | 2016-02-19 | LED display module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205508296U true CN205508296U (en) | 2016-08-24 |
Family
ID=56724149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620129864.8U Active CN205508296U (en) | 2016-02-19 | 2016-02-19 | LED display module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205508296U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986679A (en) * | 2018-09-21 | 2018-12-11 | 惠州市艾比森光电有限公司 | Display module splicing construction and display screen |
| CN110033712A (en) * | 2019-04-17 | 2019-07-19 | 深圳高鼎通信息技术有限公司 | It can the easy design organization for adjusting flatness before and after a kind of LED display |
| CN110992848A (en) * | 2019-12-27 | 2020-04-10 | 威创集团股份有限公司 | LED display module flatness adjusting device |
| CN111028708A (en) * | 2019-12-16 | 2020-04-17 | 广州视源电子科技股份有限公司 | LED box and LED display screen |
| WO2021128202A1 (en) * | 2019-12-26 | 2021-07-01 | 深圳市联建光电有限公司 | Led display screen |
-
2016
- 2016-02-19 CN CN201620129864.8U patent/CN205508296U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986679A (en) * | 2018-09-21 | 2018-12-11 | 惠州市艾比森光电有限公司 | Display module splicing construction and display screen |
| CN110033712A (en) * | 2019-04-17 | 2019-07-19 | 深圳高鼎通信息技术有限公司 | It can the easy design organization for adjusting flatness before and after a kind of LED display |
| CN111028708A (en) * | 2019-12-16 | 2020-04-17 | 广州视源电子科技股份有限公司 | LED box and LED display screen |
| WO2021128202A1 (en) * | 2019-12-26 | 2021-07-01 | 深圳市联建光电有限公司 | Led display screen |
| CN110992848A (en) * | 2019-12-27 | 2020-04-10 | 威创集团股份有限公司 | LED display module flatness adjusting device |
| CN110992848B (en) * | 2019-12-27 | 2022-02-22 | 威创集团股份有限公司 | LED display module flatness adjusting device |
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