CN208938557U - LED display module, Mosaic screen and display equipment - Google Patents
LED display module, Mosaic screen and display equipment Download PDFInfo
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- CN208938557U CN208938557U CN201821409936.XU CN201821409936U CN208938557U CN 208938557 U CN208938557 U CN 208938557U CN 201821409936 U CN201821409936 U CN 201821409936U CN 208938557 U CN208938557 U CN 208938557U
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Abstract
A kind of LED display module, Mosaic screen and display equipment, including multilayer circuit board, LED chip group, and driving assembly, multilayer circuit board includes the upper layer part that sequence lamination is arranged and is electrically connected to each other, and middle layer portion and lower layer part, LED chip group are laid in upper layer part and are connected electrically, the one end in middle layer portion is bent downward, and is extended across lower layer part and be electrically connected with driving assembly；Middle layer portion and lower layer part is completely covered from top in upper layer part.By the top that LED chip is mounted on to upper layer part, the bending of middle layer portion is extended downward and is electrically connected across lower layer part with driving assembly, LED chip group is set to electrically conduct with driving assembly, make upper layer part that middle layer portion and lower layer part be completely covered from top simultaneously, when making to need for two or more LED display modules to be stitched together, the edge of each upper layer part can it is seamless spliced together, to eliminate the black surround that the LED display module of traditional structure occurs in mutual splicing, and then optimize visual experience.
Description
Technical field
The utility model belongs to air-conditioning technical field, is to be related to a kind of LED display module, Mosaic screen more specifically
And display equipment.
Background technique
Whether large-sized advertisement screen or the household of small size show equipment, at present frequently with it is a kind of will be multiple smaller
The production method that the LED or LCD display module of size is spliced to form the bigger display screen in display area, or will be more
A LED display module surround the surrounding for being set to LCD display module to expand display area；But the above method can not accomplish nothing
Seam splicing, thus there is display black surround in the display screen being made based on joining method, the display black surround is undoubtedly to user
Viewing effect and visual experience cause undesirable influence.
Utility model content
The purpose of this utility model is to provide a kind of LED display module, LED mosaic screen and display equipment, to solve
The display screen existing in the prior art being made based on joining method there is technical issues that display.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of LED display module, including more
Sandwich circuit board, LED chip group and driving assembly, the multilayer circuit board include the upper layer part of sequence lamination setting, middle layer portion
And lower layer part, the LED chip group are laid in the top of the upper layer part and are electrically connected with the upper layer part, the middle layer portion
One end bend downward, and extend across the lower layer part and be electrically connected with the driving component；The upper layer part, the middle layer portion
And the lower layer part is electrically connected to each other, the middle layer portion and the lower layer part is completely covered from top in the upper layer part.
Further, the LED chip group includes multiple LED chips, and multiple LED chip rectangular array shapes are equal
Even to be distributed in above the upper layer part, the area of the upper layer part is the rectangle that four adjacent LED chips are enclosed
The integral multiple of area.
Further, the middle layer portion away from from being bent downward at the edge 0.2 to 0.9mm for stating upper layer part, form edge
The lamination area and the join domain extended along the vertical direction, the join domain that horizontal direction extends extend across the lower layer
Portion is simultaneously electrically connected with the driving component.
Further, the edge 0.2mm to 5mm of the Edge Distance of the lower layer part upper layer part adjacent thereto；Institute
The edge for stating join domain across the lower layer part is electrically connected with the driving component.
Further, the upper layer part is rigid circuit board.
Further, the middle layer portion is flexible circuit board.
Further, the upper layer part, the middle layer portion and the lower layer part press to form the multilayer circuit board.
Further, the driving component includes being electrically connected to the driving plate in the middle layer portion, is electrically connected to the driving
The master control borad of plate, and be electrically connected in the power module of the driving plate and the master control borad.
The utility model additionally provides Mosaic screen, including liquid crystal display die set and multiple above-mentioned LED show mould
Group, multiple LED display modules around splicing in the edge of the liquid crystal display die set and coplanar, and each institute
The edge for stating the upper layer part of LED display module, which is mutually supported, is spliced to form seamless flat surface, each upper layer part and the liquid
The liquid crystal display platen edge of brilliant display module, which is mutually supported, is spliced to form seamless flat surface.
The utility model additionally provides a kind of display equipment, including above-mentioned Mosaic screen.
The beneficial effect of LED display module provided by the utility model and Mosaic screen and the display equipment is: with
The prior art is compared, LED display module provided by the utility model, by the way that LED chip group to be set to the top of upper layer part, in
The bending of layer portion is extended downward and is electrically connected across lower layer part with driving assembly, so that LED group electrically conducts with driving assembly, together
When make the upper layer part of multilayer circuit board that middle layer portion and lower layer part be completely covered from top so that when needing two or more LED
When display module is stitched together, the edge for the upper layer part that each LED display module includes, which seamless can be supported, to link together, from
And the LED display module of the traditional structure inevitable black surround phenomenon in mutual splicing is eliminated, and then optimize user's
Visual experience；Mosaic screen provided by the utility model and display equipment have respectively included above-mentioned LED display module.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of two LED display modules provided by the embodiment of the utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the schematic view of the front view of two LED display modules in Fig. 1；
Fig. 4 is schematic view of the front view when two LED display modules provided by the embodiment of the utility model are stitched together；
Fig. 5 is the enlarged diagram of part B in Fig. 4；
Wherein, each appended drawing reference in figure:
10, multilayer circuit board；20, LED chip group；11, upper layer part；12, middle layer portion；13, lower layer part；121, stack region
Domain；122, join domain；21, LED chip.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
English abbreviation " LED " is represented as light emitting diode in the present invention.
Also referring to Fig. 1 and Fig. 2, now LED display module provided by the utility model is illustrated.LED shows mould
Group, including multilayer circuit board 10, LED chip group 20 and driving assembly (not shown), multilayer circuit board 10 include sequence lamination
The upper layer part 11 of setting, middle layer portion 12 and lower layer part 13, LED chip group 20 are laid in the top of upper layer part 11 and and upper layer part
11 electrical connections, the one end in middle layer portion 12, which is bent downward, to be extended across lower layer part 13 and is electrically connected with driving assembly；Upper layer part 11, in
Layer portion 12 and lower layer part 13 are electrically connected to each other, and middle layer portion 12 and lower layer part 13 is completely covered from top in upper layer part 11.Specifically,
LED display module provided by the embodiment of the utility model mainly includes the multilayer circuit board 10 being electrically connected to each other, LED chip group 20
And driving assembly, wherein multilayer circuit board 10 include upper layer part 11, middle layer portion 12 lower layer part, 13 3 parts, three parts from
Sequentially lamination is arranged top to bottm, i.e., upper layer part 11 is located at the top, and LED chip 21 is set to its top surface；Middle layer portion 12 includes being located at
Horizontally extending lamination area 121 between lower layer part 13 and upper layer part 11, and it is curved relative to the lamination area 121
Roll over the join domain 122 for connecting with driving assembly extended vertically downwards；The lower layer part 13 with the bonding pad
One end margin of 122 face of domain bounces back centainly backward relative to an end margin adjacent with the join domain 122 for upper layer part 11
Distance, in this way, one end bending in middle layer portion 12 is allowed downwards to be connected across lower layer part 13 with driving assembly, and make
Layer portion 12 and lower layer part 13 are hidden in the lower section of upper layer part 11, in this way, when needing to splice multiple LED display modules one
When rising, each edge of the upper layer part 11 of each LED display module, which seamless can be supported, to connect, so that it is existing thoroughly to eliminate black surround
As.
LED display module provided by the utility model, compared with prior art, by the way that LED chip group 20 to be set to
The top in layer portion 11, middle layer portion 12 bending extend downward and be electrically connected across lower layer part 13 with driving assembly so that LED group and
Driving assembly electrically conducts, while making the upper layer part 11 of multilayer circuit board 10 that middle layer portion 12 and lower layer part be completely covered from top
13, so that when needing for two or more LED display modules to be stitched together, upper layer part 11 that each LED display module includes
Edge seamless can support and link together, so that the LED display module for eliminating traditional structure can not in mutual splicing
The black surround phenomenon avoided, and then optimize the visual experience of user.
Further, also referring to Fig. 1 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, LED chip group 20 include multiple LED chips 21, and multiple 21 rectangular array shapes of LED chip are uniformly distributed in
11 top of layer portion, the area of upper layer part 11 are the integral multiple for the rectangular area that four adjacent LED chips 21 are enclosed.At this
In embodiment, 11 rectangular shaped of upper layer part, multiple 21 rectangular array shapes of LED chip are arranged in the upper surface of upper layer part 11
On, and be electrically connected with the upper layer part 11, the integral multiple of length spacing between adjacent LED chip 21 of upper layer part 11, in this way
Then can uniformly be covered with LED chip 21 above upper layer part 11, keep the light-out effect of screen uniform, there is no local luminance it is excessively high or
Too low phenomenon, to advanced optimize the visual experience that LED display module brings user.Certainly the utility model other
In embodiment, LED chip 21 can also uniformly be arranged in the top of upper layer part 11, and adjacent two LED in the array of other shapes
The distance between chip 21 does not limit uniquely.
Further, also referring to Fig. 3 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, middle layer portion 12 are bent downward at the edge 0.2 to 0.9mm apart from upper layer part 11 adjacent thereto, are formed along water
Square to extension lamination area 121 and along the vertical direction the join domain 122 that extends, join domain 122 extend across lower layer
Portion 13, and be electrically connected with driving assembly.Here, middle layer portion 12 is stacked in the lower section of upper layer part 11, apart from upper layer part 11
The edge place 0.2mm to 0.9mm of one end is bent downward, and is connected to control assembly after extending across lower layer part 13, then middle layer
Portion 12 forms a lamination and is set to the lower section of upper layer part 11 and horizontally extending lamination area 121 and another along vertical side
To the join domain 122 for being electrically connected with driving assembly of extension, at the two interconnection, i.e., entire middle layer portion 12 occurs curved
The part of folding, the distance of the end margin apart from upper layer part 11 adjacent thereto are preferably herein between 0.2mm to 0.9mm
0.5mm；It is to be appreciated that the thickness for depending mainly on the size of middle layer portion 12 of this distance, the thickness in middle layer portion 12 is thicker, should
The radius of 12 bending part of middle layer portion is bigger, it is ensured that the bending part in the middle layer portion 12 is completely covered upper layer part 11, then needs
The position for wanting middle layer portion 12 to bend is remoter at a distance from upper layer part 11, and on the contrary then anti-, therefore does not limit uniquely herein.
Further, also referring to Fig. 3 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, the edge 0.2mm to 5mm of the Edge Distance of lower layer part 13 upper layer part 11 adjacent thereto；Join domain 122 across
The edge of lower layer part 13 is electrically connected with driving assembly.In the present embodiment, the edge of lower layer part 13 and upper layer part adjacent thereto
The distance at 11 edge is preferably 3mm to 5mm, in the present embodiment further preferably 0.5mm；Here, 13 1 side of lower layer part
Face is electrically connected with middle layer portion 12 and upper layer part 11, plays the role of electrical interconnection, on the one hand plays middle layer portion 12 along vertical side
To supporting role, the edge of the edge of the lower layer part 13 upper layer part 11 adjacent relative to its bounces back 0.2mm to 5mm backward,
Be in order to enable middle layer portion 12 to there are enough spaces to be bent, and guarantee its region for extending downwardly of bending not with lower layer
Portion 13 interferes, and is not exposed to except the edge of upper layer part 11；Moreover, lower layer part 13 makes the supporting role in middle layer portion 12
The bending regional structure in middle layer portion 12 is more stable, to improve the reliability of entire LED display module.
Further, also referring to Fig. 1 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, upper layer part 11 are rigid circuit board.Specifically, upper layer part 11 can be the rigid circuit board of single-layer or multi-layer, this
Sample, upper layer part 11 can not only cover middle layer portion 12 and lower layer part 13, additionally it is possible to it keeps being in planar, it is aobvious in multiple LED
When the upper layer part 11 for showing that mould group includes supports mutually splicing, a monolith plane can also be collectively formed, without because of upper layer part
11 possible collapse in edge and show the non-uniform phenomenon of light；Upper layer part 11 is preferably double-layer circuit board in the present embodiment,
Certainly in the other embodiments of the utility model, the upper layer part 11 can also be one layer or multilayer rigid circuit board, herein
It does not limit uniquely.
Further, also referring to Fig. 1 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, middle layer portion 12 are flexible circuit board.Middle layer portion 12 be flexible circuit board effect be, respectively with upper layer part 11 and drive
While dynamic component forms electrical connection, and it is able to carry out lossless bending, therefore middle layer portion 12 is preferably flexible circuit board (FPC).This
In, middle layer portion 12 is preferably bilayer FPC, or the flexible circuit board of single-layer or multi-layer, depending on should depending on actual need, herein
It does not limit uniquely.
Preferably, a kind of specific reality also referring to Fig. 1 to Fig. 5, as LED display module provided by the utility model
Mode is applied, lower layer part 13 includes rigid circuit board and/or flexible circuit board.Here, 13 lamination of lower layer part is set to middle layer portion 12
Lower section, whole region is in the state mutually compressed with middle layer portion 12, therefore can may be flexibility for rigid circuit board
Circuit board does not limit uniquely herein.
Further, also referring to Fig. 1 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, upper layer part 11, middle layer portion 12 and the pressing of lower layer part 13 form multilayer circuit board 10.Specifically, first by upper layer
Portion 11, middle layer portion 12 and lower layer part 13 are cut into the size of needs, and according to from the bottom up sequentially by lower layer part 13, middle layer portion
12 and upper layer part 11 stack, and the edge of lower layer part 13 is made to bounce back backward relative to the edge of upper layer part 11 adjacent thereto
A certain distance, then pressing forms above-mentioned multilayer circuit board 10, and middle layer portion 12 is finally extended to the portion except upper layer part 11
Divide and bend downward, is subject to and is hidden under upper layer part 11 completely.
Further, also referring to Fig. 1 to Fig. 5, one kind as LED display module provided by the utility model is specific
Embodiment, the driving assembly include the driving plate (not shown) for being electrically connected to middle layer portion 12, are electrically connected to the master control of driving plate
Plate (not shown), and it is electrically connected the power module (not shown) in master control borad and driving plate.
Please referring to Fig. 1 to Fig. 5, the utility model also provides a kind of Mosaic screen, liquid crystal display die set (not shown), and
Multiple above-mentioned LED display modules, multiple LED display modules around splicing in the edge of liquid crystal display die set and coplanar, and
The edge of the upper layer part 11 of each LED display module, which is mutually supported, is spliced to form plane, each upper layer part 11 and the liquid crystal
The liquid crystal display (not shown) edge of display module, which is mutually supported, is spliced to form seamless flat surface.It is to be appreciated that only by more
The Mosaic screen that a LED display module is mutually spliced also belongs to the protection category of the utility model, that is, in the utility model
Other embodiments in can not include liquid crystal display die set (LCD), or including multiple liquid crystal displays, do not make herein unique
It limits.
Specifically, in the present embodiment, include a LCD mould group, a horizontally extending 21 array of LED chip,
A horizontally extending driving plate, 16 LED arrays extended along the vertical direction, 16 drivings extended along the vertical direction
Plate, a master control borad and a power module.
More specifically, in the present embodiment, each LED chip 21 is arranged according to the distance between the pixel of LCD mould group.
Mosaic screen provided by the utility model uses above-mentioned LED display module, and the LED display module is by by LED
Chipset 20 is set to the top of upper layer part 11, and the bending of middle layer portion 12 extends downward and across lower layer part 13 and driving assembly electricity
Connection so that LED group electrically conducts with driving assembly, while making during the upper layer part 11 of multilayer circuit board 10 is completely covered from top
Layer portion 12 and lower layer part 13, so that when needing for two or more LED display modules to be stitched together, each LED display module
Including the edge of upper layer part 11 seamless can support and link together, so that the LED display module for eliminating traditional structure exists
Mutually splicing when and LED display module and LCD display module splice inevitable black surround phenomenon, and then optimize user's
Visual experience.
Fig. 1 to Fig. 5 is please referred to, the utility model also provides a kind of display equipment, including above-mentioned Mosaic screen.
Display equipment provided by the utility model, uses above-mentioned Mosaic screen, and above-mentioned Mosaic screen uses above-mentioned LED
Display module, by the way that LED chip group 20 to be set to the top of upper layer part 11, middle layer portion 12 is bent downwards the LED display module
Side extends into and across lower layer part 13 and is electrically connected with driving assembly, so that LED group electrically conducts with driving assembly, while making multilayer wire
Middle layer portion 12 and lower layer part 13 is completely covered from top in the upper layer part 11 of road plate 10, so that when needing to show two or more LED
When showing that mould group is stitched together, the edge for the upper layer part 11 that each LED display module includes, which seamless can be supported, to link together, from
And eliminate the LED display module of traditional structure when mutually splicing and LED display module and LCD display module are spliced not
Evitable black surround phenomenon, and then optimize the visual experience of user.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1.LED display module, it is characterised in that: including multilayer circuit board, LED chip group and driving assembly, the multilayer wire
Road plate includes the upper layer part of sequence lamination setting, and middle layer portion and lower layer part, the LED chip group are laid in the upper layer part
Top is simultaneously electrically connected with the upper layer part, and the one end in the middle layer portion is bent downward, and extend across the lower layer part with it is described
Driving assembly electrical connection；The upper layer part, the middle layer portion and the lower layer part are electrically connected to each other, and the upper layer part is from top
The middle layer portion and the lower layer part is completely covered.
2. LED display module as described in claim 1, it is characterised in that: the LED chip group includes multiple LED chips,
Multiple LED chip rectangular array shapes are uniformly distributed in above the upper layer part, and the area of the upper layer part is four phases
The integral multiple for the rectangular area that the adjacent LED chip is enclosed.
3. LED display module as described in claim 1, it is characterised in that: the middle layer portion away from from the side for stating upper layer part
It is bent downward at edge 0.2mm to 0.9mm, the bonding pad for forming horizontally extending lamination area and extending along the vertical direction
Domain, the join domain extend across the lower layer part and are electrically connected with the driving component.
4. LED display module as claimed in claim 3, it is characterised in that: the Edge Distance of the lower layer part is adjacent thereto
The edge 0.2mm to 5mm of the upper layer part；The edge of the join domain across the lower layer part is electrically connected with the driving component
It connects.
5. LED display module as described in claim 1, it is characterised in that: the upper layer part is rigid circuit board.
6. LED display module as described in claim 1, it is characterised in that: the middle layer portion is flexible circuit board.
7. LED display module as described in claim 1, it is characterised in that: the upper layer part, the middle layer portion and it is described under
Layer portion presses to form the multilayer circuit board.
8. LED display module as described in any one of claim 1 to 7, it is characterised in that: the driving component includes electrical connection
Driving plate in the middle layer portion, is electrically connected to the master control borad of the driving plate, and be electrically connected in the driving plate and
The power module of the master control borad.
9. Mosaic screen, it is characterised in that: including liquid crystal display die set and multiple as claimed in any one of claims 1 to 8
LED display module, multiple LED display modules are total to around splicing in the edge of the liquid crystal display die set and with it
Face, and the edge of the upper layer part of each LED display module is mutually supported and is spliced to form seamless flat surface, each upper layer
The liquid crystal display platen edge of portion and the liquid crystal display die set, which is mutually supported, is spliced to form seamless flat surface.
10. showing equipment, it is characterised in that: including Mosaic screen as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409936.XU CN208938557U (en) | 2018-08-28 | 2018-08-28 | LED display module, Mosaic screen and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409936.XU CN208938557U (en) | 2018-08-28 | 2018-08-28 | LED display module, Mosaic screen and display equipment |
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| CN208938557U true CN208938557U (en) | 2019-06-04 |
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| CN201821409936.XU Active CN208938557U (en) | 2018-08-28 | 2018-08-28 | LED display module, Mosaic screen and display equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221182A (en) * | 2020-01-20 | 2020-06-02 | 深圳市华星光电半导体显示技术有限公司 | Backlight source and preparation method thereof |
| CN111276058A (en) * | 2020-02-11 | 2020-06-12 | 京东方科技集团股份有限公司 | Splicing display panel and splicing display device |
| CN113764455A (en) * | 2021-09-08 | 2021-12-07 | 深圳市华星光电半导体显示技术有限公司 | Splicing display panel and splicing display device |
| WO2022116304A1 (en) * | 2020-12-03 | 2022-06-09 | 深圳市华星光电半导体显示技术有限公司 | Display panel, method for manufacturing same, and display screen |
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2018
- 2018-08-28 CN CN201821409936.XU patent/CN208938557U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221182A (en) * | 2020-01-20 | 2020-06-02 | 深圳市华星光电半导体显示技术有限公司 | Backlight source and preparation method thereof |
| CN111276058A (en) * | 2020-02-11 | 2020-06-12 | 京东方科技集团股份有限公司 | Splicing display panel and splicing display device |
| US11783738B2 (en) | 2020-02-11 | 2023-10-10 | BOE MLED Technology Co., Ltd. | Spliced display panel and spliced display apparatus |
| WO2022116304A1 (en) * | 2020-12-03 | 2022-06-09 | 深圳市华星光电半导体显示技术有限公司 | Display panel, method for manufacturing same, and display screen |
| CN113764455A (en) * | 2021-09-08 | 2021-12-07 | 深圳市华星光电半导体显示技术有限公司 | Splicing display panel and splicing display device |
| CN113764455B (en) * | 2021-09-08 | 2023-09-01 | 深圳市华星光电半导体显示技术有限公司 | Spliced display panel and spliced display device |
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Effective date of registration: 20210224 Address after: No.2, Longsheng Road, Xincheng District, Shilong Town, Dongguan City, Guangdong Province Patentee after: GUANGDONG CHUNTEX ELITE ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 518000 room 701, Science Park industrial building, No.6 Keyuan Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CITY SHIXIAN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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