CN104599601B - LED display and LED display unit connector - Google Patents
LED display and LED display unit connector Download PDFInfo
- Publication number
- CN104599601B CN104599601B CN201410802082.1A CN201410802082A CN104599601B CN 104599601 B CN104599601 B CN 104599601B CN 201410802082 A CN201410802082 A CN 201410802082A CN 104599601 B CN104599601 B CN 104599601B
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- led display
- display unit
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- bolt head
- back side
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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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention provides a kind of LED display and LED display unit connector.Wherein, LED display includes：First LED display unit；Second LED display unit, splices with the first LED display unit, and LED display also includes：Connector, connect the first LED display unit and the second LED display unit, connector includes connection main body and flatness adjusting device, connection main body has the installation portion at the back side of corresponding first LED display unit and is fixedly connected with installation portion and the fixed part at the back side of corresponding second LED display unit, flatness adjusting device is arranged on installation portion, flatness adjusting device is connected with the first LED display unit and drives first LED display unit to be moved up perpendicular to the side of first LED display unit, fixed part is fixed on the back side of the second LED display unit, there is mobile space between the back side of installation portion and the first LED display unit.Technical scheme causes LED display to have higher flatness.
Description
Technical field
The present invention relates to technical field of LED display, is connected in particular to a kind of LED display with LED display unit
Part.
Background technology
As the development of LED product, the progress of LED technology, the occasion of LED product application are more and more wider, the specification of product
More and more, product spacing develops into small spacing, micro- spacing from big spacing.New market and application field are to each of LED product
Kind performance proposes higher demand.Because LED product is particularly small spacing and micro- spacing product LED quantity is more, spacing is small,
LED lamp volume itself is also smaller.When product unit splices, the spliced unit spliced gap of conventional products and Mosaic face
Flatness error can not meet to require, it is difficult to ensure that overall display effect after product unit installation.These defects are main
Be embodied between unit that to splice gap length inconsistent, unit spliced facial plane degree error it is big (it is inconsistent to be embodied in splicing surface error,
It is front and rear uneven)；With the increase of LED unit appearance and size, the big phenomenon of product unit splicing flatness error is more convex
Go out, the entirety and local display effect to product have serious influence.As shown in the above, existing LED display
Flatness is poor
The content of the invention
The present invention is intended to provide a kind of LED display and LED display unit connector, to solve the LED in background technology
The defects of flatness of display screen is poor.
To achieve these goals, according to an aspect of the invention, there is provided a kind of LED display, including：First
LED display unit；Second LED display unit, splices with the first LED display unit, and LED display also includes：Connector, connection
First LED display unit and the second LED display unit, connector include connection main body and flatness adjusting device, connect main body
It is fixedly connected with the correspondingly installation portion at the back side of the first LED display unit and with installation portion and corresponding 2nd LED displays is single
The fixed part at the back side of member, flatness adjusting device are arranged on installation portion, flatness adjusting device and the first LED display unit
Connect and drive first LED display unit to be moved up perpendicular to the side of first LED display unit, fixed part is fixed on
There is mobile space between the back side of the back side of second LED display unit, installation portion and the first LED display unit.
Further, the back side of the first LED display unit has the first screwed hole, and flatness adjusting device includes the first spiral shell
Bolt, the first bolt include the first bolt head and the first screw rod coordinated with the first screwed hole, and installation portion, which has, wears the first screw rod
First wear through hole, installation portion has the first stopper section of the bolt head of backstop first in the axial direction of the first screw rod, connector
The second stopper section with the bolt head of backstop first in the axial direction of the first screw rod, the first bolt head are located at the first stopper section and
Between two stopper sections.
Further, first to wear through hole be shoulder hole, and first, which wears through hole, has and wear the first of the first screw rod and wear
Section and the first accommodating section for accommodating the first bolt head, the first aperture for wearing section are less than the aperture of the first accommodating section, and first wears
There is First terrace, First terrace forms the first stopper section between section and the first accommodating section.
Further, connect and bolt head baffle plate is provided with main body, bolt head baffle plate forms the second stopper section.
Further, first bolt of the bolt head baffle plate with corresponding first bolt head screws part and wears through hole.
Further, the pockets for being provided with main body and accommodating bolt head baffle plate are connected.
Further, connection main body is contiguous block, and contiguous block has the back side and second towards the first LED display unit
The device corresponding surface at the back side of LED display unit, device corresponding surface are step-like, and device corresponding surface includes corresponding first LED and shown
The mounting surface and the stationary plane that corresponding and with the first LED display unit back face is tactile, stationary plane for showing the back side of unit are dashed forward
For mounting surface, mounting surface is formed on installation portion, and stationary plane is formed on fixed part.
Further, by second back side for being bolted to the second LED display unit, fixed part has to be worn fixed part
The second of second bolt wears through hole, and the back side of the second LED display unit has the second screwed hole coordinated with the second bolt.
Further, connector is multiple, and multiple connectors are in the first LED display unit and the second LED display unit
It is arranged at intervals on the bearing of trend of splicing line.
According to another aspect of the present invention, there is provided a kind of LED display unit connector, including：Main body is connected, there is dress
Corresponding surface is put, device corresponding surface is step-like, and device corresponding surface includes the stationary plane that mounting surface protrudes from mounting surface；First spiral shell
Bolt, including the first bolt head and the first screw rod, connection main body, which has, to be worn the first of the first screw rod and wears through hole, first wear it is logical
Hole corresponds to mounting surface, and connection main body has the first stopper section of the bolt head of backstop first in the axial direction of the first screw rod；Second stops
Stopper, in the axial direction of the first screw rod the bolt head of backstop first and be fixed on connection main body on, the first bolt head be located at first
Between stopper section and the second stopper section；Second bolt, including pass the second screw rod and connected main body institute backstop of stationary plane
Second bolt head.
Apply the technical scheme of the present invention, fixed part be fixed on to the back side of the second LED display unit, due to installation portion with
There is mobile space between the back side of first LED display unit, the first LED can be driven by controlling flatness adjusting device
Display unit moves up perpendicular to the side of first LED display unit, with the movement of the first LED display unit, you can
Realize the LED module of the first LED display unit and the LED module flush of the second LED display unit.As the above analysis,
The LED display of the present invention has higher flatness.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the schematic rear view of the embodiment of the LED display according to the present invention；
Fig. 2 show the A-A of Fig. 1 LED display to partial schematic sectional view；
Fig. 3 shows the structural representation of the embodiment of the LED display unit connector according to the present invention.
Wherein, the reference in above-mentioned figure is as follows：
10th, the first LED display unit；20th, the second LED display unit；30th, connector；40th, main body is connected；41st, install
Portion；42nd, fixed part；43rd, first through hole is worn；44th, first section is worn；45th, the first accommodating section；46th, First terrace；47th, fill
Put corresponding surface；48th, mounting surface；49th, stationary plane；51st, the first bolt；52nd, the first bolt head；53rd, the first screw rod；60th, bolt head
Baffle plate；61st, the first bolt screws part and wears through hole；70th, the second bolt；71st, the second screw rod；72nd, the second bolt head.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As depicted in figs. 1 and 2, the LED display of the present embodiment includes the first LED display unit 10, shown with the first LED
The connection of the second LED display unit 20 and the first LED display unit 10 of connection and the second LED display unit 20 that unit 10 splices
Part 30.Connector 30 includes connection main body 40 and flatness adjusting device, and connection main body 40 has corresponding first LED display unit
The installation portion 41 at 10 back side and it is fixedly connected with installation portion 41 and the fixed part at the back side of corresponding second LED display unit 20
42, flatness adjusting device is arranged on installation portion 41, and flatness adjusting device is connected and driven with the first LED display unit 10
First LED display unit 10 moves up perpendicular to the side of first LED display unit 10, and fixed part 42 is fixed on second
The back side of LED display unit 20, there is mobile space between the back side of the LED display unit 10 of installation portion 41 and first.Installation portion
41 play a part of installing flatness adjusting device.
Using the LED display of the present embodiment, fixed part 42 is fixed on to the back side of the second LED display unit 20, due to
There is mobile space between the back side of the LED display unit 10 of installation portion 41 and first, can be by controlling flatness adjusting device
To drive the first LED display unit 10 to be moved up perpendicular to the side of first LED display unit 10, as the first LED shows
Show the movement of unit 10, you can realize the LED module of the first LED display unit 10 and the LED module of the second LED display unit 20
Flush.As the above analysis, the LED display of the present embodiment has higher flatness.
As depicted in figs. 1 and 2, in the present embodiment, the back side of the first LED display unit 10 has the first screwed hole, puts down
Whole degree adjusting means includes the first bolt 51, and the first bolt 51 includes the first bolt head 52 and coordinate with the first screwed hole first
Screw rod 53, installation portion 41 wear through hole 43 with wearing the first of the first screw rod 53, and installation portion 41 has in the first screw rod 53
First stopper section of the first bolt head of backstop 52 on axial direction, connector 30 have the spiral shell of backstop first in the axial direction of the first screw rod 53
Second stopper section of bolt first 52, the first bolt head 52 is between the first stopper section and the second stopper section.Due to the first bolt head
52 between the first stopper section and the second stopper section, and therefore, the first bolt head 52 can not move up in the axial direction of the first bolt 51
It is dynamic, by screwing the first bolt 51, you can the first LED display unit 10 of driving is perpendicular to first LED display unit 10
Side moves up, to realize that the LED module of the first LED display unit 10 is equal with the LED module of the second LED display unit 20
Together.Certainly, as feasible other embodiment, flatness adjusting device can be driving cylinder, and cylinder body is fixed on installation portion 41
On, piston rod is fixed on the back side of the first LED display unit 10.
By using the connector 30 in the LED display of the present embodiment, can realize as requested wholly or partially
The rugged special-effect of Mosaic face.The first bolt head 52, tension or the ejection LED to be adjusted can be turned as requested
The wholly or partially plane of unit, realizes desired effect.
As shown in Fig. 2 in the present embodiment, first to wear through hole 43 be shoulder hole, and first, which wears through hole 43, has and wear
The first of first screw rod 53 wear section 44 and accommodate the first bolt head 52 the first accommodating section 45, first wear section 44 aperture it is small
In the aperture of the first accommodating section 45, first wears between the accommodating section 45 of section 44 and first and has First terrace 46, first step
Face 46 forms the first stopper section.First, which wears the accommodating section 45 of section 44 and first, is coaxially disposed, and First terrace 46 is annular.
As shown in Fig. 2 in the present embodiment, connect and be provided with bolt head baffle plate 60, bolt head baffle plate in main body 40
60 form the second stopper section.
As shown in Fig. 2 in the present embodiment, bolt head baffle plate 60 has the first bolt rotation of corresponding first bolt head 52
Stubborn part wears through hole 61.The free end of first bolt head 52 has the first stress groove, is passed through by the way that the first bolt is screwed into part
First bolt, which screws part and wears through hole 61 and stretch into the first stress groove, can screw the first bolt head 52.Bolt head baffle plate
60 are fixed by screws in connection main body 40.
As shown in Fig. 2 in the present embodiment, the receiving that receiving bolt head baffle plate 60 is provided with connection main body 40 is recessed
Groove.
As shown in Fig. 2 in the present embodiment, connection main body 40 is contiguous block, contiguous block has single towards the first LED displays
The back side of member 10 and the device corresponding surface 47 at the back side of the second LED display unit 20, device corresponding surface 47 is step-like, device
Corresponding surface 47 include the back side of corresponding first LED display unit 10 mounting surface 48 and it is corresponding and with the first LED display unit
The tactile stationary plane 49 of 10 back face, stationary plane 49 protrude from mounting surface 48, and mounting surface 48 is formed on installation portion 41, fixed
Face 49 is formed on fixed part 42.Using said structure, it is easy to processing connection main body 40.Shape between stationary plane 49 and installation portion 41
Into land plateau.Connection main body 40 is integrated part.In addition, the connector 30 in the LED display of the present embodiment can also be realized
The regulation of irregular splicing (such as cambered surface), according to actual conditions, device corresponding surface 47 is designed as irregular structure (this reality
It is step plane to apply example), by the principle similar to the present embodiment and cooperation, realize the adjustment of Mosaic face irregularity degree.
As shown in Fig. 2 in the present embodiment, fixed part 42 is fixed on the second LED display unit 20 by the second bolt 70
The back side, fixed part 42, which has, to be worn the second of the second bolt 70 and wears through hole, the back side of the second LED display unit 20 have with
The second screwed hole that second bolt 70 coordinates.Using said structure, connector 30 easy to disassemble.Certainly, feasible other are used as
Embodiment, fixed part 42 can be welded on to the back side of the second LED display unit 20.Second bolt 70 includes passing stationary plane
Second bolt head 72 of 49 40 backstops of the second screw rod 71 and connected main body.
As shown in Fig. 2 in the present embodiment, fixed part 42, which has, to be worn the second of the second screw rod 71 and wears through hole, second
It is shoulder hole to wear through hole, and second wears through hole wears the second bolt head 72 of section and receiving with wearing the second of the second screw rod 71
The second accommodating section, second wear section aperture be less than the second accommodating section aperture, second wears between section and the second accommodating section
Second step face with the second bolt head of backstop 72, the free end of the second bolt head 72 have the second stress groove, bolt head
Second bolt of the baffle plate 60 with corresponding second bolt head 72 screws part and wears through hole.
As shown in figure 1, in the present embodiment, connector 30 is multiple, and multiple connectors 30 are in the first LED display unit 10
It is arranged at intervals with the bearing of trend of the splicing line of the second LED display unit 20.Using said structure, the first LED display unit
10 and second LED display unit 20 connect more stable, and enter the fine setting of flatness in the diverse location of splicing line.
Present invention also provides a kind of LED display unit connector, the LED display unit connector of the present embodiment is above-mentioned
Connector 30 in LED display embodiment.As shown in Figures 2 and 3, the LED display unit connector of the present embodiment includes connecting
Connect main body 40, the first bolt 51, the second stopper section and the second bolt 70.Connection main body 40 has device corresponding surface 47, device pair
Answering face 47, device corresponding surface 47 includes the stationary plane 49 that mounting surface 48 protrudes from mounting surface 48 to be step-like.First bolt 51 wraps
Including the first bolt head 52 and the first screw rod 53, connection main body 40, which has, to be worn the first of the first screw rod 53 and wears through hole 43, and first
Wear the corresponding mounting surface 48 of through hole 43, connection main body 40 has the of in the axial direction of the first screw rod 53 the first bolt head of backstop 52
One stopper section.Second stopper section in the axial direction of the first screw rod 53 the first bolt head of backstop 52 and be fixed on connection main body 40
On, the first bolt head 52 is between the first stopper section and the second stopper section.Second bolt 70 includes passing the of stationary plane 49
Second bolt head 72 of 40 backstops of two screw rods 71 and connected main body.The LED display unit connector of the present embodiment improves
The flatness of LED display.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of LED display, including：
First LED display unit (10)；
Second LED display unit (20), splice with first LED display unit (10), it is characterised in that the LED is shown
Screen also includes：
Connector (30), connect first LED display unit (10) and second LED display unit (20), the connection
Part (30) includes connection main body (40) and flatness adjusting device, and there is the connection main body (40) corresponding first LED to show
Show the installation portion (41) at the back side of unit (10) and be fixedly connected with the installation portion (41) and corresponding 2nd LED is shown
The fixed part (42) at the back side of unit (20), the flatness adjusting device is arranged on the installation portion (41), described smooth
Degree adjusting means is connected with first LED display unit (10) and drives first LED display unit (10) perpendicular to this
The side of first LED display unit (10) moves up, and the fixed part (42) is fixed on second LED display unit (20)
The back side, there is mobile space between the installation portion (41) and the back side of first LED display unit (10)；
The connection main body (40) is contiguous block, and the contiguous block has towards the back side of first LED display unit (10)
And the device corresponding surface (47) at the back side of second LED display unit (20), described device corresponding surface (47) to be step-like,
Described device corresponding surface (47) includes the mounting surface (48) at the back side of corresponding first LED display unit (10) and corresponded to simultaneously
Tactile stationary plane (49), the stationary plane (49) protrude from the peace with the back face of second LED display unit (20)
Dress face (48), the mounting surface (48) are formed on the installation portion (41), and the stationary plane (49) is formed in the fixed part
(42) on.
2. LED display according to claim 1, it is characterised in that the back side tool of first LED display unit (10)
There is the first screwed hole, the flatness adjusting device includes the first bolt (51), and first bolt (51) includes the first bolt
Head (52) and the first screw rod (53) coordinated with first screwed hole, the installation portion (41), which has, wears first screw rod
(53) first wears through hole (43), and the installation portion (41) has in the axial direction of first screw rod (53) described in backstop the
First stopper section of one bolt head (52), the connector (30) have in the axial direction of first screw rod (53) described in backstop
Second stopper section of the first bolt head (52), first bolt head (52) are located at first stopper section and second backstop
Between portion.
3. LED display according to claim 2, it is characterised in that described first to wear through hole (43) be shoulder hole, institute
State first and wear through hole (43) and have and wear the first of first screw rod (53) and wear section (44) and receiving first bolt
The first accommodating section (45) of head (52), the described first aperture for wearing section (44) are less than the aperture of first accommodating section (45),
Described first wears and has First terrace (46), the First terrace between section (44) and first accommodating section (45)
(46) first stopper section is formed.
4. LED display according to claim 2, it is characterised in that be provided with bolt head on the connection main body (40)
Baffle plate (60), the bolt head baffle plate (60) form second stopper section.
5. LED display according to claim 4, it is characterised in that the bolt head baffle plate (60) has corresponding institute
The first bolt for stating the first bolt head (52) screws part and wears through hole (61).
6. LED display according to claim 4, it is characterised in that be provided with the connection main body (40) and accommodate institute
State the pockets of bolt head baffle plate (60).
7. LED display according to claim 1, it is characterised in that the fixed part (42) passes through the second bolt (70)
The back side of second LED display unit (20) is fixed on, the fixed part (42), which has, wears second bolt (70)
Second wears through hole, and the back side of second LED display unit (20) has the second spiral shell coordinated with second bolt (70)
Pit.
8. LED display according to claim 1, it is characterised in that the connector (30) is multiple, the multiple company
Fitting (30) is in first LED display unit (10) and the bearing of trend of the splicing line of second LED display unit (20)
Upper interval setting.
A kind of 9. LED display unit connector, it is characterised in that including：
Main body (40) is connected, there is device corresponding surface (47), described device corresponding surface (47) is step-like, described device corresponding surface
(47) stationary plane (49) that mounting surface (48) protrudes from the mounting surface (48) is included；
First bolt (51), including the first bolt head (52) and the first screw rod (53), the connection main body (40), which has, wears the
The first of one screw rod (53) wears through hole (43), and described first wears the corresponding mounting surface (48) of through hole (43), the connection
Main body (40) has the first stopper section of the first bolt head (52) described in backstop in the axial direction of first screw rod (53)；
Second stopper section, the first bolt head (52) described in backstop and it is fixed on described in the axial direction of first screw rod (53)
Connect in main body (40), first bolt head (52) is between first stopper section and second stopper section；
Second bolt (70), including pass the second screw rod (71) of the stationary plane (49) and stopped by the connection main body (40)
The second bolt head (72) of gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802082.1A CN104599601B (en) | 2014-12-18 | 2014-12-18 | LED display and LED display unit connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802082.1A CN104599601B (en) | 2014-12-18 | 2014-12-18 | LED display and LED display unit connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104599601A CN104599601A (en) | 2015-05-06 |
| CN104599601B true CN104599601B (en) | 2017-12-01 |
Family
ID=53125341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410802082.1A Active CN104599601B (en) | 2014-12-18 | 2014-12-18 | LED display and LED display unit connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104599601B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810107A (en) * | 2016-01-18 | 2016-07-27 | 深圳市创显光电有限公司 | LED display screen provided with three flatness adjusting mechanisms |
| CN107610601B (en) * | 2017-10-26 | 2024-04-30 | 利亚德电视技术有限公司 | Display screen |
| KR102489223B1 (en) * | 2018-09-28 | 2023-01-17 | 엘지디스플레이 주식회사 | Gap regulator of multi display and multi display having the same |
| CN109210343B (en) * | 2018-11-02 | 2023-10-20 | 利亚德光电股份有限公司 | Triaxial connecting piece for mirror-face backdrop LED display screen |
| WO2020132886A1 (en) * | 2018-12-25 | 2020-07-02 | 深圳市联建光电有限公司 | Device for intelligently adjusting led display screen |
| WO2020132887A1 (en) * | 2018-12-25 | 2020-07-02 | 深圳市联建光电有限公司 | Wireless induction type servo stepping mechanism |
| CN112211882B (en) * | 2019-07-12 | 2022-04-15 | 京东方科技集团股份有限公司 | Adjusting device and tiled display screen adjustment system of tiled display screen |
| CN110992848B (en) * | 2019-12-27 | 2022-02-22 | 威创集团股份有限公司 | LED display module flatness adjusting device |
| CN112991975A (en) * | 2021-03-08 | 2021-06-18 | 深圳市洲明科技股份有限公司 | Box body, box body composition and display screen |
| CN114203058B (en) * | 2021-12-29 | 2022-08-05 | 绵阳惠科光电科技有限公司 | Backlight module and display device |
| WO2024065320A1 (en) * | 2022-09-28 | 2024-04-04 | 西安青松光电技术有限公司 | Fixed-distance connecting member and display apparatus |
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| JPH11305685A (en) * | 1998-04-23 | 1999-11-05 | Nec Eng Ltd | Led display board |
| JP3836438B2 (en) * | 2003-02-24 | 2006-10-25 | 株式会社コスミックエンジニアリング | Unit connection bracket |
| JP2009086569A (en) * | 2007-10-03 | 2009-04-23 | Sekisui Jushi Co Ltd | Light emission unit and information sign having the light emission unit |
| CN201425823Y (en) * | 2009-04-03 | 2010-03-17 | 史国光 | Front-and-back adjusting device used for LED display box bodies |
| CN202230682U (en) * | 2011-09-02 | 2012-05-23 | 深圳市奥拓电子股份有限公司 | LED (light-emitting diode) indoor screen |
| CN103115229B (en) * | 2013-02-27 | 2015-09-02 | 利亚德光电股份有限公司 | Led display unit and led display system |
| CN203384591U (en) * | 2013-06-25 | 2014-01-08 | 四川虹视显示技术有限公司 | Splicing unit of splicing screen |
| CN103591091B (en) * | 2013-11-26 | 2015-10-28 | 广东威创视讯科技股份有限公司 | A kind of LED display box locking mechanism and LED display casing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204348272U (en) * | 2014-12-18 | 2015-05-20 | 利亚德光电股份有限公司 | LED display and LED display unit web member |
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| Publication number | Publication date |
|---|---|
| CN104599601A (en) | 2015-05-06 |
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