CN108682326A - A kind of splicing back plate and use its LED display - Google Patents
A kind of splicing back plate and use its LED display Download PDFInfo
- Publication number
- CN108682326A CN108682326A CN201810890077.9A CN201810890077A CN108682326A CN 108682326 A CN108682326 A CN 108682326A CN 201810890077 A CN201810890077 A CN 201810890077A CN 108682326 A CN108682326 A CN 108682326A
- Authority
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- China
- Prior art keywords
- splicing
- connecting plate
- coupling unit
- back plate
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000004411 aluminium Substances 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 42
- 238000010168 coupling process Methods 0.000 claims description 42
- 238000005859 coupling reaction Methods 0.000 claims description 42
- 238000004080 punching Methods 0.000 claims description 6
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002023 wood Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention belongs to LED display technical field more particularly to a kind of splicing back plate and use its LED display.The splicing back plate is suitable for the fixation of LED display screen, and splicing back plate includes a plurality of side, is connected by way of splicing between adjacent side, and mutually splicing forms frame-like structures later between a plurality of side, and there are splicing seams in the stitching portion of side；Two side structures of corresponding setting are identical in a plurality of side；In a plurality of side, the side of corresponding LED display lamp bar is made of aluminium.This spliced monoblock plank in the prior art that avoids passes through the waste of plank intermediate wood matter after punch forming；The problem of avoiding the torsional deformation of backboard caused by heat unevenness.Further, it improves screen image caused by backboard distorts and shows bad problem.Only aluminium material is arranged in specific region in this backboard, and manufacturing cost is reduced while improving heat dissipation effect.
Description
Technical field
It is shown the invention belongs to LED display technical field more particularly to a kind of splicing back plate and using its LED
Screen.
Background technology
In traditional technology, for fix liquid crystal display backlight module metal backing, passed through using full wafer sheet metal
Made by punch process.In more detail, the metal backing is by punching press of the full wafer sheet metal through multi-process of large area
After processing, by sheet metal punching at the external form for meeting customer demand, then assemble with the part of backlight module.On however,
The metal backing stated often influences the weight of whole backlight module, and its molding process also needs to set by large-scale multigroup punching press
It is standby；In addition, as the size of display pannel more does bigger and opposite fine, weight and manufacturing procedure also relative increase, therefore
Influence for material and manufacturing cost is very huge, and material and manufacturing cost account for 10% or more of overall cost ratio, and weight also accounts for
Module nearly 30% or more；And there is also the inconvenient disadvantages of transport for such backboard.
There is also the problems of using flexible difference for existing metal backing, need different moulds for various sizes of backboard
Tool, manufacturing cost are higher.
Existing metal backing is integral structure, higher in the position local temperature of LED light bar, is susceptible to because cold
Heat is uneven to deform.
Invention content
(1) technical problems to be solved
For existing technical problem, the present invention provides a kind of splicing back plate, can solve existing backboard and deposit
Production, transportation cost it is high, and because of the problem of deforming uneven in temperature.
It is another object of the present invention to propose a kind of LED display, use the spliced back of the body as described above
Plate.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include：
A kind of splicing back plate, the splicing back plate are suitable for the fixation of LED display screen, and splicing back plate includes more
Side is connected by way of splicing between adjacent side, and mutually frame-like structures are formed after splicing between a plurality of side,
And there are splicing seams in the stitching portion of side；
Two side structures of corresponding setting are identical in a plurality of side；
In a plurality of side, the side of corresponding LED display lamp bar is made of aluminium.
Preferably, intermediate plate is provided on the frame-like structures, intermediate plate is made of polylith intermediate plate unit spliced；
It is connected by way of splicing between intermediate plate and side.
Preferably, between the side, between side and intermediate plate unit, pass through splicing component between intermediate plate unit
Spliced；
The splicing component includes the first stitching section and the second stitching section, and the first stitching section includes location hole and slot, institute
It includes that clamping protrusion and positioning protrusion, the clamping protrusion are connected in location hole to state the second stitching section, and positioning protrusion is plugged on
In slot；
It is provided with the first stitching section and/or the second stitching section on side, intermediate plate unit.
Preferably, first stitching section includes the first connecting plate, the second connecting plate and third connecting plate；
First connecting plate is identical with the structure of third connecting plate, both include be arranged front end clamping protrusion and
Positioning protrusion in rear end is set；
Positioning protrusion is set on second connecting plate, and positioning protrusion is set on the first connecting plate and the second connecting plate
It is different from the protrusion direction for the positioning protrusion being arranged on the second connecting plate；
Second stitching section include it is corresponding respectively with the first connecting plate, the second connecting plate and third connecting plate is corresponding sets
The first coupling unit, the second coupling unit and the third coupling unit set；
First coupling unit is identical with the structure of third coupling unit, includes both the location hole being arranged in inside, with
And the first slot on the outside is set；
Second coupling unit includes the second slot.
Preferably, first connecting plate and third connecting plate and side, intermediate plate unit are arranged in different planes,
Second connecting plate and side, the coplanar setting of intermediate plate unit；
First coupling unit, third coupling unit and side, the coplanar setting of intermediate plate unit, the second coupling unit
It is arranged in different planes from side, intermediate plate unit.
Preferably, first connecting plate, the second connecting plate and third connecting plate are spaced setting successively, and corresponding first
Coupling unit, the second coupling unit and third coupling unit are spaced setting successively.
Preferably, the splicing back plate includes upper side edge, lower side, left side and right edge, wherein upper side edge, under
Side, left side and right edge are bar shaped platy structures.
Preferably, the edge of the side is provided with the flanging for being limited to LED display screen.
Preferably, the side is molded by the way of punching press.
A kind of LED display comprising splicing back plate as described above.
(3) advantageous effect
The beneficial effects of the invention are as follows：Splicing back plate provided by the invention has the following advantages：
Backboard is spliced using a plurality of side, is avoided monoblock plank in the prior art and is passed through in plank after punch forming
Between material waste；
Backboard is by side spicing forming type, when needing various sizes of backboard, as long as removable parts side can be realized
It is spliced to form various sizes of backboard, improves the versatility of backboard, while reducing the quantity of die sinking, has saved and has been manufactured into
This.
There are splicing seams, the heat that LED light bar generates to have certain thermal resistance effect, avoid between the side mutually spliced
Caused by heat unevenness the problem of the torsional deformation of backboard.Further, screen image caused by backboard distorts is improved
Show bad problem.
There is the position of LED light bar for the region of screen calorific value, such as screen, using the heat dissipation of aluminium material or high heat conduction
Material can improve the heat dissipation effect that LED light bar generates heat.Meanwhile because the heat dissipation material of aluminium material and high heat conduction relative to it
He, which manufactures material, has problem of high cost, but only the material is arranged in specific region in this backboard, is improving heat dissipation effect
Manufacturing cost is reduced while fruit.In addition, being attached in the form of splicing between side, solve between unlike material
Connect inconvenient problem.
Description of the drawings
Fig. 1 is the structural schematic diagram for the splicing back plate that the specific embodiment of the invention provides；
Fig. 2 is the enlarged drawing at Figure 1A；
Fig. 3 is the structural schematic diagram for the splicing component that the specific embodiment of the invention provides.
【Reference sign】
1：Side；2：Splicing seams；3：Intermediate plate；4：Intermediate plate unit；5：First stitching section；6：Second stitching section；
51：First connecting plate；52：Second connecting plate；53：Third connecting plate；54：Clamping protrusion；55：Positioning protrusion；61：
First coupling unit；62：Second coupling unit；63：Third coupling unit；64：Location hole；65：First slot；66：Second inserts
Slot.
Specific implementation mode
In order to preferably explain the present invention, in order to understand, below in conjunction with the accompanying drawings, by specific implementation mode, to this hair
It is bright to be described in detail.
As shown in Figure 1 to Figure 3, the invention discloses a kind of splicing back plate, which is suitable for LED display
The fixation of screen, splicing back plate include a plurality of side 1, are connected by way of splicing between adjacent side 1, a plurality of side 1
Between mutually form frame-like structures after splicing, and there are splicing seams 2 in the stitching portion of side 1；
Two side structures of corresponding setting are identical in a plurality of side 1；
In a plurality of side 1, the side 1 of corresponding LED display lamp bar is made of aluminium.
In the present embodiment, backboard is spliced using a plurality of side 1, is avoided monoblock plank in the prior art and is passed through
The waste of plank intermediate wood matter after punch forming；
Backboard is by 1 spicing forming type of side, when needing various sizes of backboard, as long as removable parts side 1 can be real
It is now spliced to form various sizes of backboard, improves the versatility of backboard, while reducing the quantity of die sinking, has saved and has been manufactured into
This.
There are splicing seams 2, the heat that LED light bar generates to have certain thermal resistance effect, avoid between the side 1 mutually spliced
Caused by heat unevenness the problem of the torsional deformation of backboard.Further, screen is improved caused by backboard distorts to scheme
As showing bad problem.
There is the position of LED light bar for the region of screen calorific value, such as screen, using aluminium material or high heat conduction and heat dissipation
Material can improve the heat dissipation effect that LED light bar generates heat.Meanwhile because aluminium material has relative to other manufacture materials
Problem of high cost, but only aluminium material or high heat conduction and heat sink material is arranged in specific region in this backboard, it is scattered improving
Manufacturing cost is reduced while thermal effect.In addition, being attached in the form of splicing between side, solves unlike material
Between connect inconvenient problem.
It should be noted that the splicing mentioned in present embodiment, refers to the types of attachment such as clamping and/or grafting.
Be provided with intermediate plate 3 on frame-like structures, intermediate plate 3 is made of the splicing of plate unit 4 among polylith, intermediate plate 3 with
It is connected by way of splicing between side 1.
In some special cases, it needs that intermediate plate 3 is arranged on frame-like structures, intermediate plate 3 is by multiple intermediate plate lists
Member 4 is constituted, and can be needed to be spliced into various sizes of intermediate plate 3 according to different, be improved the versatility that intermediate plate 3 uses.
With reference to Fig. 3, in the present embodiment, between additionally providing a kind of side, between side 1 and intermediate plate unit 4, and
Specifically splice form between intermediate plate unit 4.
Between adjacent side 1, pass through splicing group between adjacent intermediate plate unit 4 between side 1 and intermediate plate unit 4
Part is spliced.
Splicing component include the first stitching section 5 and the second stitching section 6, the first stitching section 5 include location hole and slot, second
Stitching section 6 includes clamping protrusion and positioning protrusion, and clamping protrusion is connected in location hole, and positioning protrusion is plugged in slot.
It is provided with the first stitching section and/or the second stitching section on side 1, intermediate plate unit 4.
Further, the first stitching section 5 includes the first connecting plate 51, the second connecting plate 52 and third connecting plate 53,
First connecting plate 51 is identical with the structure of the second connecting plate 52, includes both the clamping protrusion 54 being arranged in front end
With the positioning protrusion 55 in rear end is set.
Positioning protrusion 55 is set on second connecting plate 52, and setting positions on the first connecting plate 51 and third connecting plate 52
Protrusion 55 is different from the protrusion direction of positioning protrusion being arranged on the second connecting plate 52.
The effect of positioning protrusion 55 is mainly played in 6 mutual splicing of the first stitching section 5 and the second stitching section and is led
To effect, when splice complete after play the role of positioning.
Second stitching section 6 includes corresponding opposite with the first connecting plate 51, the second connecting plate 52 and third connecting plate 53 respectively
The first coupling unit 61, the second coupling unit 62 and the third coupling unit 63 that should be arranged.
First coupling unit 61 is identical with the structure of third coupling unit 63, includes both the location hole being arranged in inside
64, and the first slot 65 on the outside is set.
Second coupling unit 62 includes the second slot 66.
First connecting plate 51 and third connecting plate 53 are arranged from side 1, intermediate plate unit 4 in different planes, and second
Connecting plate 52 and side 1, the 4 coplanar setting of intermediate plate unit.
First coupling unit 61, third coupling unit 63 and side 1, the 4 coplanar setting of intermediate plate unit, the second coupling are single
Member 62 is arranged from side 1, intermediate plate unit 4 in different planes.
Meanwhile first coupling unit 61, the second coupling unit 62 and third coupling unit 63 correspond to the first connecting plate 51, the
Two connecting plates 52 connect the groove of 53 position setting receiving connecting plate ontology with third.Clamping protrusion is mutually clamped with location hole
When, when positioning protrusion is with slot grafting, connecting plate ontology is located in groove, so, be conducive to the stability for improving splicing.
First connecting plate 51, the second connecting plate 52 and third connecting plate 53 are spaced setting, corresponding first coupling successively
Unit 61, the second coupling unit 62 and third coupling unit 63 are spaced setting successively.
Splicing back plate includes upper side edge, lower side, left side and right edge, wherein upper side edge, lower side, left side
It is bar shaped platy structure with right edge.
Side 1 is arranged to bar shaped platy structure, can be in order to the processing of side, moreover it is possible to improve side use it is general
Property.
The edge of side 1 is provided with the flanging for being limited to LED display screen.It can be formed between multiple flangings
The accommodating chamber of LED display is convenient for the installation of LED display screen.
Side 1 is molded by the way of punching press.Such form processing has the advantages that easy to process.
In the present embodiment, a kind of LED display is additionally provided comprising splicing back plate as described above.
The technical principle of the present invention is described above in association with specific embodiment, these descriptions are intended merely to explain the present invention's
Principle cannot be construed to limiting the scope of the invention in any way.Based on explaining herein, those skilled in the art
Would not require any inventive effort can associate other specific implementation modes of the present invention, these modes fall within this hair
Within bright protection domain.
Claims (10)
1. a kind of splicing back plate, it is characterised in that：The splicing back plate is suitable for the fixation of LED display screen, spliced
Backboard includes a plurality of side, is connected by way of splicing between adjacent side, and mutually splicing is formed later between a plurality of side
Frame-like structures, and in the stitching portion of side, there are splicing seams；
Two side structures of corresponding setting are identical in a plurality of side；
In a plurality of side, the side of corresponding LED display lamp bar is made of aluminium.
2. splicing back plate according to claim 1, which is characterized in that it is provided with intermediate plate on the frame-like structures,
Intermediate plate is made of polylith intermediate plate unit spliced；
It is connected by way of splicing between intermediate plate and side.
3. splicing back plate according to claim 2, which is characterized in that between the side, side and intermediate plate unit
Between, spliced by splicing component between intermediate plate unit；
The splicing component includes the first stitching section and the second stitching section, and the first stitching section includes location hole and slot, and described the
Two stitching sections include that clamping protrusion and positioning protrusion, the clamping protrusion are connected in location hole, and positioning protrusion is plugged on slot
It is interior；
It is provided with the first stitching section and/or the second stitching section on side, intermediate plate unit.
4. splicing back plate according to claim 3, which is characterized in that first stitching section include the first connecting plate,
Second connecting plate and third connecting plate；
First connecting plate is identical with the structure of third connecting plate, includes both being arranged in the clamping protrusion of front end and setting
Positioning protrusion in rear end；
Positioning protrusion is set on second connecting plate, and positioning protrusion is set on the first connecting plate and the second connecting plate and is set
The protrusion direction for setting the positioning protrusion on the second connecting plate is different；
Second stitching section includes corresponding setting corresponding with the first connecting plate, the second connecting plate and third connecting plate respectively
First coupling unit, the second coupling unit and third coupling unit；
First coupling unit is identical with the structure of third coupling unit, includes both the location hole being arranged in inside, Yi Jishe
Set the first slot on the outside；
Second coupling unit includes the second slot.
5. splicing back plate according to claim 4, which is characterized in that first connecting plate and third connecting plate and side
Side, intermediate plate unit are arranged in different planes, the second connecting plate and side, the coplanar setting of intermediate plate unit；
First coupling unit, third coupling unit and side, the coplanar setting of intermediate plate unit, the second coupling unit and side
Side, intermediate plate unit are arranged in different planes.
6. splicing back plate according to claim 4, which is characterized in that first connecting plate, the second connecting plate and
Three connecting plates are spaced setting successively, and corresponding first coupling unit, the second coupling unit and third coupling unit are spaced successively
Setting.
7. splicing back plate according to claim 1, which is characterized in that the splicing back plate includes upper side edge, downside
Side, left side and right edge, wherein upper side edge, lower side, left side and right edge are bar shaped platy structures.
8. splicing back plate according to claim 1, which is characterized in that the edge of the side be provided with for pair
The flanging of LED display screen limit.
9. splicing back plate according to claim 1, which is characterized in that the side is molded by the way of punching press.
10. a kind of LED display, which is characterized in that including splicing back plate as described in any one of claims 1-9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890077.9A CN108682326A (en) | 2018-08-07 | 2018-08-07 | A kind of splicing back plate and use its LED display |
| CN201811285751.7A CN109300410B (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
| CN201821786276.7U CN209765939U (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890077.9A CN108682326A (en) | 2018-08-07 | 2018-08-07 | A kind of splicing back plate and use its LED display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108682326A true CN108682326A (en) | 2018-10-19 |
Family
ID=63816170
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810890077.9A Pending CN108682326A (en) | 2018-08-07 | 2018-08-07 | A kind of splicing back plate and use its LED display |
| CN201821786276.7U Active CN209765939U (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
| CN201811285751.7A Active CN109300410B (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821786276.7U Active CN209765939U (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
| CN201811285751.7A Active CN109300410B (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108682326A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300410A (en) * | 2018-08-07 | 2019-02-01 | 普利仕科技（苏州工业园区）有限公司 | A kind of splicing back plate and the LED display using it |
| CN110942730A (en) * | 2019-12-27 | 2020-03-31 | 威创集团股份有限公司 | LED display unit box body installation structure and array structure |
| CN114519961A (en) * | 2022-02-23 | 2022-05-20 | 王伟 | Movably spliced LED display screen |
| CN114973977A (en) * | 2021-02-24 | 2022-08-30 | 常州明耀半导体科技有限公司 | Concatenation formula LED transparent screen |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022116556A1 (en) * | 2020-12-04 | 2022-06-09 | 深圳市时代华影科技股份有限公司 | Installation liners and screen using the installation liners |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065796U (en) * | 2011-04-22 | 2011-12-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
| CN102402061A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal module spliced backplane and splicing structure thereof |
| US8444099B1 (en) * | 2011-11-18 | 2013-05-21 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back plate of liquid crystal display module and splice structure thereof |
| US8992036B2 (en) * | 2012-08-07 | 2015-03-31 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display device, back plate element and splicing parts of backlight module and manufacturing mold for splicing parts thereof |
| CN103258481A (en) * | 2013-05-28 | 2013-08-21 | 利亚德光电股份有限公司 | Light-emitting diode (LED) lamp board assembly |
| TWI550317B (en) * | 2014-08-13 | 2016-09-21 | 州巧科技股份有限公司 | A multi-piece backboard structure for display |
| CN206130904U (en) * | 2016-10-12 | 2017-04-26 | 合肥惠科金扬科技有限公司 | Jumbo size display backplate mosaic structure and jumbo size display |
| CN108682326A (en) * | 2018-08-07 | 2018-10-19 | 普利仕科技（苏州工业园区）有限公司 | A kind of splicing back plate and use its LED display |
-
2018
- 2018-08-07 CN CN201810890077.9A patent/CN108682326A/en active Pending
- 2018-10-31 CN CN201821786276.7U patent/CN209765939U/en active Active
- 2018-10-31 CN CN201811285751.7A patent/CN109300410B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300410A (en) * | 2018-08-07 | 2019-02-01 | 普利仕科技（苏州工业园区）有限公司 | A kind of splicing back plate and the LED display using it |
| CN109300410B (en) * | 2018-08-07 | 2024-04-12 | 普利仕科技（苏州工业园区）有限公司 | Spliced backboard and LED display screen adopting same |
| CN110942730A (en) * | 2019-12-27 | 2020-03-31 | 威创集团股份有限公司 | LED display unit box body installation structure and array structure |
| CN110942730B (en) * | 2019-12-27 | 2022-06-17 | 威创集团股份有限公司 | LED display unit box body installation structure and array structure |
| CN114973977A (en) * | 2021-02-24 | 2022-08-30 | 常州明耀半导体科技有限公司 | Concatenation formula LED transparent screen |
| CN114973977B (en) * | 2021-02-24 | 2024-05-17 | 常州明耀半导体科技有限公司 | Spliced LED transparent screen |
| CN114519961A (en) * | 2022-02-23 | 2022-05-20 | 王伟 | Movably spliced LED display screen |
| CN114519961B (en) * | 2022-02-23 | 2023-06-23 | 成都戎盛科技有限公司 | LED display screen of activity concatenation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109300410A (en) | 2019-02-01 |
| CN109300410B (en) | 2024-04-12 |
| CN209765939U (en) | 2019-12-10 |
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