CN107420855A - UVLED high intensity line light sources - Google Patents
UVLED high intensity line light sources Download PDFInfo
- Publication number
- CN107420855A CN107420855A CN201710299808.8A CN201710299808A CN107420855A CN 107420855 A CN107420855 A CN 107420855A CN 201710299808 A CN201710299808 A CN 201710299808A CN 107420855 A CN107420855 A CN 107420855A
- Authority
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- China
- Prior art keywords
- uvled
- lens
- heat sink
- high intensity
- light source
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000007493 shaping process Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000011324 bead Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000969 carrier Substances 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 11
- 230000001678 irradiating effect Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
Abstract
The invention discloses a kind of UVLED high intensity lines light source.It includes optical focusing system, UVLED array light-emittings system and water-cooling heat radiating system, UVLED array light-emittings system is arranged between optical focusing system and water-cooling heat radiating system, optical focusing system includes shaping lens, collector lens and at least two Lens mounting carriers, shaping lens and collector lens are separately mounted on Lens mounting carrier, UVLED lamp beads are mounted on substrate in a manner of arranging, water-filled radiator system includes current interface, heat sink lid, sealing ring and water channel are heat sink, water channel is heat sink to connect heat sink lid, and sealing is attached by the sealing ring, current interface is arranged on heat sink cover.Power consumption can be greatly lowered in the present invention, and the life-span is permanent, and drying device heating is few, does not produce ozone, additionally it is possible to which moment bright light is turned off the light, and can reduce by 70% 80% energy resource consumption, not only environment protecting is excellent, and operating characteristics is also very outstanding.
Description
Technical field
The present invention relates to optical engineering technical field, specifically a kind of UVLED high intensity lines light source.
Background technology
Solidify at present in UV（The field such as printing, PCB electronics, quick setting cement, electronics three-proofing coating）, the ultraviolet source used is general
All over using the light source such as high-pressure sodium lamp and metal halid lamp, because of the maximization of light fixture and supply unit, power consumption is big and caloric value
The problems such as ozone is produced during big and use, causes UV to be solidified into highly energy-consuming, high pollution technique.
Because the UVLED lamp bead angles of divergence are relatively large, therefore the distance that UVLED UV illuminations are penetrated has to the effect of solidification
Large effect.This just needs to carry out secondary light-distribution to UVLED, to assemble UV energy, for telecurie irradiation target.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of UVLED high intensity lines light source, with least up to
To the effect for improving optical property and energy-conserving and environment-protective.
The purpose of the present invention is achieved through the following technical solutions：UVLED high intensity line light sources, it gathers including optics
Photosystem, UVLED array light-emittings system and water-cooling heat radiating system, described UVLED array light-emittings system are arranged on optical concentration
Between system and water-cooling heat radiating system；Described optical focusing system includes shaping lens, collector lens and at least two lens
Mounting bracket, described shaping lens are arranged on the first Lens mounting carrier, and described collector lens is installed installed in the second lens
On frame；Described UVLED array light-emittings system includes substrate and UVLED lamp beads, and described UVLED lamp beads are pasted in a manner of arranging
On substrate；Described water-cooling heat radiating system includes current interface, heat sink lid, sealing ring and heat sink, the described water channel of water channel
The heat sink heat sink lid of connection, and sealing is attached by the sealing ring, described current interface is arranged on heat sink cover.
Described shaping lens are bracelet face plano-convex post lens or Fresnel bracelet face plano-convex post lens.
Described collector lens is bracelet face plano-convex post lens or Fresnel bracelet face plano-convex post lens.
Described Lens mounting carrier is plate Lens mounting carrier.
Described Lens mounting carrier is aluminium alloy Lens mounting carrier.
Described optical focusing system also includes more rubber strips, and more described rubber strips are respectively used to compress described
Shaping lens and collector lens.
Described UVLED lamp bead arrangements are at least a line.
Described UVLED lamp bead equidistant arrangements.
Described shaping lens carry out shaping to every row UVLED lamp beads respectively.
The collector lens carries out line focus to all shaped light.
Further, by using the collector lens of different focal, light source light-emitting window is changed to the working distance for irradiating target
From.
Described water-cooling heat radiating system also includes terminal box, and described terminal box is arranged on heat sink cover.
It is heat sink for the water channel of thermal conductive metallic material that described water channel is heat sink.
It is that aluminium alloy water channel is heat sink or copper water road is heat sink that described water channel is heat sink.
Described substrate is copper-based or aluminum-base printed circuit board.
Described water channel is heat sink, using series, parallel, pseudo- series connection and pseudo- combination in parallel so that heat sink radiating surface temperature is equal
It is even.
Described sealing ring is silica gel sealing ring.
Further, it also includes at least two dust covers, the first dust cover be used to encapsulating the optical focusing system,
The top of UVLED array light-emittings system and water-filled radiator system, the second dust cover be used for encapsulate the optical focusing system,
The bottom of UVLED array light-emittings system and water-filled radiator system.
The beneficial effects of the invention are as follows：Compared with the prior art, the present invention has the advantage that：
（1）The UVLED light sources of recent development, it is follow-on energy-saving and environmental protection UV cure systems.Solidify with conventional UV lamp tubular type and be
System is compared, and power consumption can be greatly lowered in the flat cure systems of UVLED, and the life-span is permanent, and drying device heating is few, does not produce
Ozone, additionally it is possible to which moment bright light is turned off the light, and can reduce 70%-80% energy resource consumption, and not only environment protecting is excellent, operating characteristics
Also it is very outstanding；
（2）Light-gathering is good, can be with telecurie irradiation target；
（3）Light source light-emitting window can be adjusted to the operating distance of irradiation target；
（4）Light source can seamless spliced length；
（5）Irradiating hot spot can seamless spliced length；
（6）Realize uniform line style irradiation hot spot；
（7）Realize the line style irradiation hot spot of superhigh intensity；
（8）When adjusting light source light-emitting window to the operating distance for irradiating target, it is uniform to adjust front and rear lamp condenser, hot spot
Property and spot intensity are all highly stable, show excellent performance.
Brief description of the drawings
Fig. 1 is the complete machine structure figure of the present invention；
Fig. 2 is the optical focusing system structure chart of the present invention；
Fig. 3 is the UVLED array light-emitting system construction drawings of the present invention；
Fig. 4 is the water-cooling heat radiating system structure chart of the present invention；
Fig. 5 is the optically focused process schematic of the optical focusing system of the present invention；
Fig. 6 is the heat sink channel structure schematic diagram of the water-cooling heat radiating system of the present invention；
Fig. 7 is the irradiation hot spot test image that the present invention uses the first focal length collector lens；
Fig. 8 is the irradiation hot spot test image that the present invention uses the second focal length collector lens；
Fig. 9 is measured power density of the present invention using the irradiation hot spot of the first focal length collector lens；
Figure 10 is measured power density of the present invention using the irradiation hot spot of the second focal length collector lens；
In figure, 1- optical focusing systems, 2-UVLED array light-emitting systems, 3- water-cooling heat radiating systems, the Lens mounting carriers of 11- second,
12- collector lenses, 13- rubber strips, 14- shaping lens, the Lens mounting carriers of 15- first, 31- water channels are heat sink, 32- sealing rings, 33-
Heat sink lid, 34- current interfaces, 35- terminal boxes, the dust covers of 41- first, 42 second dust covers-, 51- substrates, 52-UVLED
Lamp bead, 341- water inlets, 342- delivery ports.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
Such as Fig. 1, shown in 2,3,4, UVLED high intensity line light sources, it includes optical focusing system 1, UVLED array light-emittings system
System 2 and water-cooling heat radiating system 3, described UVLED array light-emittings system 2 are arranged on optical focusing system 1 and water-cooling heat radiating system 3
Between；Described optical focusing system 1 includes shaping lens 14, the Lens mounting carrier of collector lens 12 and at least two, described
Shaping lens 14 are arranged on the first Lens mounting carrier 15, and described collector lens 12 is arranged on the second Lens mounting carrier 11；
Described UVLED array light-emittings system 2 includes substrate 51 and UVLED lamp beads 52, and described UVLED lamp beads 52 are in a manner of arrangement
Attachment is on the substrate 51；It is heat sink that described water-cooling heat radiating system 3 includes current interface 34, heat sink lid 33, sealing ring 32 and water channel
31, described water channel is heat sink 31 heat sink lids 33 of connection, and sealing, described current interface are attached by the sealing ring 32
34 are arranged on heat sink lid 33.
Described shaping lens 14 are bracelet face plano-convex post lens or Fresnel bracelet face plano-convex post lens.
Described collector lens 12 is bracelet face plano-convex post lens or Fresnel bracelet face plano-convex post lens.
Described Lens mounting carrier is plate Lens mounting carrier.
Described Lens mounting carrier is aluminium alloy Lens mounting carrier.
Described optical focusing system 1 also includes more rubber strips 13, and more described rubber strips 13 are respectively used to compress
Described shaping lens 14 and collector lens 12.
Described UVLED lamp beads 52 are arranged at least a line.
The described equidistant arrangement of UVLED lamp beads 52.
Described shaping lens 14 carry out shaping to every row UVLED lamp beads 52 respectively.
The collector lens 12 carries out line focus to all shaped light.
Further, as shown in figure 5, by using different focal collector lens 12, change light source light-emitting window to irradiating
The operating distance of target.
Described water-cooling heat radiating system 3 also includes terminal box 35, and described terminal box 35 is arranged on heat sink lid 33.
Described water channel is heat sink 31 for thermal conductive metallic material water channel it is heat sink.
It 31 is that aluminium alloy water channel is heat sink or copper water road is heat sink that described water channel is heat sink.
Described substrate 51 is copper-based or aluminum-base printed circuit board.
As shown in fig. 6, described water channel heat sink 31, using series, parallel, pseudo- series connection and pseudo- combination in parallel so that heat sink
Radiating surface temperature is uniform.
Described sealing ring 32 is silica gel sealing ring.
Further, as shown in fig. 6, described current interface 34 includes at least one water inlet 341 and at least one water outlet
Mouth 342.
Further, it also includes at least two dust covers, and the first dust cover 41 is used to encapsulate the optical concentration system
The top of system 1, UVLED array light-emittings system 2 and water-cooling heat radiating system 41, the second dust cover 42 gather for encapsulating the optics
The bottom of photosystem 1, UVLED array light-emittings system 2 and water-cooling heat radiating system 3.
Such as Fig. 7, shown in 8, according to the irradiation hot spot test image of the collector lens of different focal, go out optical window in regulation light source
During mouth to the operating distance for irradiating target, it is all highly stable to adjust front and rear lamp condenser, hot spot uniformity and spot intensity.
Such as Fig. 9, shown in 10, shown according to power density test result, light source can realize seamless spliced length, irradiate hot spot
Also seamless spliced length can be realized.
In an embodiment of the present invention, the UVLED lamp beads equidistant arrangement with certain lighting angle is passed through at least a line
Shaping lens carry out shaping to every row UVLED lamp beads respectively, then enter line to all shaped light through collector lens and gather
Jiao, in focal position, uniform, superhigh intensity a line style irradiation hot spot can be formed, the optically focused using different focal f is saturating
Mirror, light source light-emitting window can be changed to the operating distance for irradiating target.Work in regulation light source light-emitting window to irradiation target
Apart from when, it is all highly stable to adjust front and rear lamp condenser, hot spot uniformity and spot intensity.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (19)
1.UVLED high intensity line light sources, it is characterised in that：It includes optical focusing system（1）, UVLED array light-emitting systems（2）
And water-cooling heat radiating system（3）, described UVLED array light-emitting systems（2）Installed in optical focusing system（1）With water-cooling system
System（3）Between；Described optical focusing system（1）Including shaping lens（14）, collector lens（12）Pacify with least two lens
Shelve, described shaping lens（14）Installed in the first Lens mounting carrier（15）On, described collector lens（12）Installed in
Two Lens mounting carriers（11）On；Described UVLED array light-emitting systems（2）Including substrate（51）With UVLED lamp beads（52）, it is described
UVLED lamp beads（52）Substrate is mounted in a manner of arrangement（51）On；Described water-cooling heat radiating system（3）Including current interface
（34）, heat sink lid（33）, sealing ring（32）It is heat sink with water channel（31）, described water channel is heat sink（31）Connect heat sink lid（33）, and
Pass through the sealing ring（32）It is attached sealing, described current interface（34）It is arranged on heat sink lid（33）On.
2. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described shaping lens（14）For bracelet
Face plano-convex post lens or Fresnel bracelet face plano-convex post lens.
3. the UVLED high intensity line light sources according to claim 1, it is characterised in that：Described collector lens（12）For
Bracelet face plano-convex post lens or Fresnel bracelet face plano-convex post lens.
4. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described Lens mounting carrier is flat board
Type Lens mounting carrier.
5. the UVLED high intensity line light sources according to claim 1 or 4, it is characterised in that：Described Lens mounting carrier is aluminium
Alloy Lens mounting carrier.
6. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described optical focusing system（1）Also
Including more rubber strips（13）, described more rubber strips（13）It is respectively used to compress described shaping lens（14）It is saturating with optically focused
Mirror（12）.
7. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described UVLED lamp beads（52）Arrangement
Into at least a line.
8. according to the UVLED high intensity line light sources described in any one of claim 1 or 7, it is characterised in that：Described UVLED lamps
Pearl（52）Equidistant arrangement.
9. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described shaping lens（14）Respectively
To every row UVLED lamp beads（52）Carry out shaping.
10. UVLED high intensity lines light source according to claim 1, it is characterised in that：The collector lens（12）To all
Shaped light carries out line focus.
11. UVLED high intensity lines light source according to claim 1, it is characterised in that：By using the optically focused of different focal
Lens（12）, change light source light-emitting window to the operating distance for irradiating target.
12. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described water-cooling heat radiating system（3）
Also include terminal box（35）, described terminal box（35）Installed in heat sink lid（33）On.
13. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described water channel is heat sink（31）To lead
The water channel of hot metallic material is heat sink.
14. UVLED high intensity lines light source according to claim 13, it is characterised in that：Described water channel is heat sink（31）For
Aluminium alloy water channel is heat sink or copper water road is heat sink.
15. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described substrate（51）To be copper-based or
Aluminum-base printed circuit board.
16. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described water channel is heat sink（31）, adopt
With series, parallel, pseudo- series connection and pseudo- combination in parallel so that heat sink radiating surface temperature is uniform.
17. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described sealing ring（32）For silica gel
Sealing ring.
18. UVLED high intensity lines light source according to claim 1, it is characterised in that：Described current interface（34）Including
At least one water inlet（341）With at least one delivery port（342）.
19. UVLED high intensity lines light source according to claim 1, it is characterised in that：It also includes at least two dust caps
Plate, the first dust cover（41）For encapsulating the optical focusing system（1）, UVLED array light-emitting systems（2）And water-cooling
System（41）Top, the second dust cover（42）For encapsulating the optical focusing system（1）, UVLED array light-emitting systems
（2）And water-cooling heat radiating system（3）Bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299808.8A CN107420855A (en) | 2017-05-02 | 2017-05-02 | UVLED high intensity line light sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299808.8A CN107420855A (en) | 2017-05-02 | 2017-05-02 | UVLED high intensity line light sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420855A true CN107420855A (en) | 2017-12-01 |
Family
ID=60424882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710299808.8A Pending CN107420855A (en) | 2017-05-02 | 2017-05-02 | UVLED high intensity line light sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420855A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253311A (en) * | 2018-01-15 | 2018-07-06 | 深圳市天添智能云设备有限公司 | A kind of system and method for controlling UVLED solidification equipments |
| CN110481153A (en) * | 2019-08-06 | 2019-11-22 | 深圳优卫乐得科技有限公司 | One kind being used for the cured UV-LED light source of offset printing |
| CN115038468A (en) * | 2020-01-21 | 2022-09-09 | 自由风格合伙有限公司 | Portable and disposable ultraviolet device with visible light and shaping optics |
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| US20160211047A1 (en) * | 2015-01-20 | 2016-07-21 | Gew (Ec) Limited | Led ink curing apparatus |
| CN206695066U (en) * | 2017-05-02 | 2017-12-01 | 成都英集电子高科技有限公司 | UVLED high intensity line light sources |
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| CN2801298Y (en) * | 2005-05-27 | 2006-08-02 | 大连海事大学 | Large powre ultra violet ray luminous diode illuminting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253311A (en) * | 2018-01-15 | 2018-07-06 | 深圳市天添智能云设备有限公司 | A kind of system and method for controlling UVLED solidification equipments |
| CN108253311B (en) * | 2018-01-15 | 2019-11-12 | 深圳市天添智能云设备有限公司 | A kind of system and method controlling UVLED solidification equipment |
| CN110481153A (en) * | 2019-08-06 | 2019-11-22 | 深圳优卫乐得科技有限公司 | One kind being used for the cured UV-LED light source of offset printing |
| CN115038468A (en) * | 2020-01-21 | 2022-09-09 | 自由风格合伙有限公司 | Portable and disposable ultraviolet device with visible light and shaping optics |
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Effective date of registration: 20190701 Address after: 518000 Silver Star Science and Technology Building C807, 1301 Xinlan Community Sightseeing Road, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Zhongzhitian Technology Co.,Ltd. Address before: 610041 No. 38, No. 7, No. 11, South 3 Section of Second Ring Road, Chengdu High-tech Zone, Sichuan Province Applicant before: Cao Yundong |
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Application publication date: 20171201 |