CN206703524U - LCD photocuring 3D printers - Google Patents
LCD photocuring 3D printers Download PDFInfo
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- CN206703524U CN206703524U CN201720575844.8U CN201720575844U CN206703524U CN 206703524 U CN206703524 U CN 206703524U CN 201720575844 U CN201720575844 U CN 201720575844U CN 206703524 U CN206703524 U CN 206703524U
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- lcd
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- photocurings
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- light
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Abstract
The utility model provides a kind of LCD photocurings 3D printer, including fuselage, light supply apparatus, reservoir, shaped platform and the lifting drive for driving shaped platform to move up and down.Reservoir is on fuselage, the bottom of reservoir is the counterdie of printing opacity, light supply apparatus is located at fuselage and positioned at lower section corresponding to reservoir, and shaped platform is located at top corresponding to reservoir, and lifting drive is located at fuselage and drives shaped platform into and out reservoir.Wherein, LCD photocurings 3D printer of the present utility model is also located at the underface of counterdie including the LCD liquid crystal displays between counterdie and light supply apparatus, the upper polarizing coating being affixed on above LCD liquid crystal displays and the lower polarizing coating being affixed on below LCD liquid crystal displays, LCD liquid crystal displays.LCD photocurings 3D printer of the present utility model has the advantages of shaping speed is fast, precision is high, size is big and cost is low.
Description
Technical field
It the utility model is related to 3D printing field, more particularly to a kind of LCD photocurings 3D applied to oral restoration occasion
Printer.
Background technology
3D printing technique belongs to one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powder
Last shape metal or plastics etc. can jointing material, come the technology of constructed object by way of successively stacking accumulation.
It is fast that existing 3D printing technique can be divided into Stereolithography (SLA), selective laser sintering (SLS), fusion sediment
Rapid-result type (FDM) and digital light processing (DLP).
Wherein, for existing SLA Stereolithographies technology, its implementation is：With specific wavelength and intensity
Laser Focusing is allowed to by point to line, by line to face consecutive solidification, the drawing for completing an aspect is made to photo-curing material surface
Industry, then lifting platform is in the height of vertical direction one synusia of movement, another aspect of resolidification, the composition that is so layering three
Tie up entity.
But because SLA Stereolithography technologies are point-line-faces, such technology greatly limits in molding mode principle
Molding mode is made, therefore shaping efficiency is low；Meanwhile SLA photocurings printer uses ultraviolet laser combination galvanometric scanning, two
Person's price is all that costly, a SLA photocuring printer is up to ten thousand at least, at most hundreds of thousands；Furthermore because SLA is
Point forming technique, whole model conversion is big into point data, data processing software operand, addition support is needed when software is cut into slices
It is also high to skill requirement.
Therefore, it is badly in need of wanting a kind of LCD photocurings 3D printer to overcome the defects of above-mentioned.
Utility model content
The purpose of this utility model is to provide a kind of LCD photocurings 3D printer, and the LCD photocuring 3D printers have
The advantages of shaping speed is fast, precision is high, size is big and cost is low.
To realize above-mentioned purpose, the utility model provides a kind of LCD photocurings 3D printer, including fuselage, light source
Device, reservoir, shaped platform and the lifting drive for driving the shaped platform to move up and down.The reservoir is located at
On the fuselage, the bottom of the reservoir is the counterdie of printing opacity, and the light supply apparatus is located at the fuselage and is located at the storage
Lower section corresponding to liquid bath, the shaped platform are located at top corresponding to the reservoir, and the lifting drive is located at described
Fuselage simultaneously drives the shaped platform into and out the reservoir.Wherein, LCD photocurings 3D printer of the present utility model
Also include the LCD liquid crystal displays between the counterdie and the light supply apparatus, the upper polarization being affixed on above the LCD liquid crystal displays
Film and the lower polarizing coating being affixed on below the LCD liquid crystal displays, the LCD liquid crystal displays are located at the underface of the counterdie.
It is preferred that LCD photocurings 3D printer of the present utility model, which also includes tubaeform light, leads to structure, the logical knot of the light
Polygon is surrounded outside the cross section of structure, the small end that the light leads to structure docks with the light supply apparatus, and the light leads to structure
Big end extend at the lower polarizing coating, the light lead to structure big end end carry Fresnel Lenses.
It is preferred that the fuselage includes framework and the armstand installed in the top of the framework, the light supply apparatus installation
At the top surface of the bottom of the framework, the reservoir is installed at the top surface at the top of the framework, and the light leads to structure
Big end engaged with the bottom surface at the top of the framework, the lifting drive is installed at the armstand and framework, described
LCD liquid crystal displays are installed at the top of the framework, the LCD liquid crystal displays be also located at the counterdie and the Fresnel Lenses it
Between.
It is preferred that the fuselage also includes covers the cover plate of getting up, the cover plate by the forward and backward of the framework, left and right
On outer ventilating fan is installed.
It is preferred that above-below direction of the light supply apparatus along the fuselage is from the bottom to top successively comprising radiator fan, radiating
Base pieces, lamp group, reflector, condenser lens and lens fixed mount, the radiator fan, cooling base piece, lamp group, reflector,
Condenser lens and lens fixed mount are fixed together, and the radiator fan also exposes the bottom surface of the bottom of the framework, the light
The small end end of logical structure engages with the lens fixed mount.
It is preferred that the lamp group includes the LED and LED lamp panel for producing ultraviolet.
It is preferred that the lifting drive includes upper lower guide rod, oscilaltion platform, stepper motor, upper and lower screw mandrel and cunning
The screw up and down on screw mandrel, the lower end of the upper lower guide rod up and down is placed on to be installed at the top of the framework, it is described on
The upper end of lower guide rod is installed at the armstand, and the stepper motor is installed at the bottom surface at the top of the framework, the step
The output shaft of stepper motor is upward through the top of the framework, and the upper end of the screw mandrel up and down is installed at the armstand, described
The lower end of upper and lower screw mandrel and the output axis connection of the stepper motor, the oscilaltion platform sliding sleeve is in the upper lower guide rod, institute
State screw up and down to be installed on the oscilaltion platform, the shaped platform is installed on the oscilaltion platform.
It is preferred that the upper lower guide rod is distributed in above and below described at the left and right sides of screw mandrel.
It is preferred that the top surface at the top of the framework, which is provided with, is used for what the left and right ends of the reservoir were compressed
Briquetting.
It is preferred that the briquetting is removably installed at the top surface at the top of the framework.
Compared with prior art, because LCD photocurings 3D printer of the present utility model also includes being located at counterdie and light source
LCD liquid crystal displays, the upper polarizing coating being affixed on above LCD liquid crystal displays and the lower polarizing coating being affixed on below LCD liquid crystal displays between device,
LCD liquid crystal displays are located at the underface of counterdie so that the molding mode of LCD photocurings 3D printer of the present utility model for " face-
Layer ", there is faster shaping speed compared to the molding mode of " point-face-layer " using SLA laser.Meanwhile by LCD liquid
Crystalline substance screen, therefore the fixation display precision of LCD liquid crystal displays is printing precision, up to 0.05 millimeter；The size of LCD liquid crystal displays is printing chi
Very little, size is 200 × 150 millimeters, therefore precision is higher, and size is bigger.Furthermore the upper polarizing coating and lower polarizing coating of LCD liquid crystal displays,
Veiling glare can be effectively filtered out, i.e. there is optionally masking to the light of incidence and pass through, longitudinal light is carried out saturating
Cross, the light of transverse direction is covered, so as to eliminate or mitigate hot spot, so that it is guaranteed that Forming Quality.Finally, relative to SLA light
Solidify for printer, the cost of LCD photocurings 3D printer of the present utility model is relatively low, only thousands of members.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of LCD photocurings 3D printer of the present utility model.
Fig. 2 is dimensional structure diagram of the LCD photocurings 3D printer after cover plate is hidden shown in Fig. 1.
Fig. 3 is the lateral plane figure of the LCD photocuring 3D printers of state shown in Fig. 2.
Fig. 4 is the internal structure schematic diagram of the LCD photocuring 3D printers of state shown in Fig. 2.
Embodiment
In order to describe technology contents of the present utility model, construction feature in detail, below in conjunction with embodiment and coordinate accompanying drawing
It is described further.
Fig. 1, Fig. 2 and Fig. 4 are referred to, LCD photocurings 3D printer 100 of the present utility model is applied to oral restoration field
Close, for the printing of the accurate models of Guan Qiao in oral restoration occasion, but be not limited.
Wherein, LCD photocurings 3D printer 100 of the present utility model include fuselage 10, light supply apparatus 20, reservoir 30,
Shaped platform 90, LCD liquid crystal displays 50, upper polarizing coating 60, lower polarizing coating 70 and the lifting for driving shaped platform 90 to move up and down
Drive device 40.Reservoir 30 provides support by fuselage 10 on fuselage 10 to reservoir 30；The bottom of reservoir 30 is
The counterdie 31 of light, be easy to light to be incident in by counterdie 31 sensitive liquid that reservoir 30 contained.Light supply apparatus 20
Located at fuselage 10 and positioned at lower section corresponding to reservoir 30, it is easy to light caused by light supply apparatus 20 to be irradiated at reservoir 30.
Shaped platform 90 is located at top corresponding to reservoir 30, and lifting drive 40 is located at fuselage 10 and drives shaped platform 90 to move into
Or reservoir 30 is removed, it is superimposed and final with meeting that shaped platform 90 and the cooperation of the sensitive liquid of reservoir 30 go to expose layer by layer
Form the needs of threedimensional model.For LCD liquid crystal displays 50 between counterdie 31 and light supply apparatus 20, upper polarizing coating 60 is affixed on LCD liquid
The top of crystalline substance screen 50, lower polarizing coating 70 are affixed on the lower section of LCD liquid crystal displays 50, and LCD liquid crystal displays 50 are located at the underface of counterdie 31；Therefore in light
When source device 20 works, its caused light irradiates again after passing sequentially through lower polarizing coating 70, LCD liquid crystal displays 50 and upper polarizing coating 60
At counterdie 31, and lower polarizing coating 70 and upper polarizing coating 60 have optionally masking to the light of incidence and passed through, to longitudinal direction
Light passed through, to transverse direction light cover, so as to eliminate or mitigate hot spot, so that it is guaranteed that shaping quality.Tool
Body, in the present embodiment, LCD photocurings 3D printer 100 of the present utility model also includes tubaeform light and leads to structure 80, light
Polygon is surrounded outside the cross section of logical structure 80, the small end that light leads to structure 80 docks with light supply apparatus 20, and light leads to structure 80
Big end extend at lower polarizing coating 70, light lead to structure 80 big end end carry Fresnel Lenses 81, to lead to structure 80 by light
And Fresnel Lenses 81 so that light is vertically irradiated on LCD liquid crystal displays 50 caused by light supply apparatus 20, but not as
Limit.Meanwhile fuselage 10 includes framework 11 and the armstand 12 installed in the top of framework 11, for light supply apparatus 20 is contained in
In framework 11；Light supply apparatus 20 is installed at the top surface of the bottom of framework 10, and reservoir 30 is installed on the top at the top of framework 10
At face, the big end that light leads to structure 80 engages with the bottom surface at the top of framework 10, and lifting drive 40 is installed on armstand 12 and frame
At frame 11, LCD liquid crystal displays 50 are installed at the top of framework 11, and LCD liquid crystal displays 50 are also located at counterdie 31 and Fresnel Lenses 81
Between, with cause reservoir 30, light supply apparatus 20 and LCD liquid crystal displays 50 in the installation on framework 11 more rationally it is compact, but not with
This is limited.In order to prevent outer bound pair light supply apparatus 20, LCD liquid crystal displays 50, lower polarizing coating 70, upper polarizing coating 60 and the shadow of counterdie 31
Ring, therefore fuselage 10 is also included the forward and backward of framework 11, left and right covering the cover plate 13 of getting up, and outer air draft is provided with cover plate 13
Fan 14, for radiating, but is not limited.Assembled for the ease of reservoir 30 in the top of framework 11, therefore the top of framework 11
Top surface be provided with the briquetting 15 for being used for being compressed to the left and right ends of reservoir 30, briquetting 15 is more excellent in removably installing
Dismantling connection etc. is realized at the top surface at the top of framework 11, such as by removablies such as bolts, but is not limited.
It is more specifically, as follows：
As shown in Figure 2 to Figure 3, above-below direction of the light supply apparatus 20 along fuselage 10 includes radiator fan successively from the bottom to top
21st, cooling base piece 22, lamp group 23, reflector 24, condenser lens 25 and lens fixed mount 26.Radiator fan 21, cooling base
Piece 22, lamp group 23, reflector 24, condenser lens 25 and lens fixed mount 26 are fixed together, and radiator fan 21 also exposes framework
The bottom surface of 11 bottom, the small end end that light leads to structure 80 engage with lens fixed mount 26.Therefore can be by lamp by radiator fan 21
Heat caused by group 23 is preferably guided, and light caused by lamp group 23 is can ensure that by the cooperation of reflector 24 and condenser lens 25
It is more evenly distributed.For example, in the present embodiment, lamp group 23 includes the LED 231 and LED lamp panel 232 for producing ultraviolet,
To extend the service life of lamp group 23, but do not illustrated and be limited with this.
As shown in Figures 1 to 4, lifting drive 40 include upper lower guide rod 41, oscilaltion platform 42, stepper motor 43,
Upper and lower screw mandrel 44 and sliding sleeve are in screw 45 up and down on upper and lower screw mandrel 44.The lower end of upper lower guide rod 41 is installed on the top of framework 11
Place, the upper end of upper lower guide rod 41 are installed at armstand 12, and upper lower guide rod 41 is supported into fixation by armstand 12 and framework 11；Stepping electricity
Machine 43 is installed at the bottom surface at the top of framework 11, and the output shaft of stepper motor 43 is upward through the top of framework 11, by stepping
Motor 43 is contained in framework 11, is reduced the stepper motor 43 of outer bound pair work and is influenceed；The upper end of upper and lower screw mandrel 44 is installed on vertical
At arm 12, the lower end of upper and lower screw mandrel 44 and the output axis connection of stepper motor 43,44 turns of screw mandrel up and down is driven by stepper motor 43
It is dynamic；The sliding sleeve of oscilaltion platform 42 is installed on oscilaltion platform 42 in upper lower guide rod 41, upper and lower screw 45, and shaped platform 90 is installed
In on oscilaltion platform 42, therefore driven in stepper motor 43 during screw mandrel 44 rotates up and down, drive up and down screw 45 along upper
Lower screw mandrel 44 does above-below direction movement, because upper and lower screw 45 is fixed with oscilaltion platform 42, therefore the silk up and down by moving up and down
Shaped platform 90 on the drive oscilaltion of mother 45 platform 42 and oscilaltion platform 42 does movement up or down together, to meet
The purpose of 3D printing；And upper lower guide rod 41 be upper lifting platform 42 mobile offer guiding, therefore improve Forming Quality, but not as
Limit.For example, in the present embodiment, upper lower guide rod 41 is distributed at the left and right sides of upper and lower screw mandrel 44, is further assured that
The steady reliability that oscilaltion platform 42 and shaped platform 90 move up or down, but do not illustrated and be limited with this.
Compared with prior art, due to LCD photocurings 3D printer 100 of the present utility model also include positioned at counterdie 31 with
LCD liquid crystal displays 50 between light supply apparatus 20, the upper polarizing coating 60 for being affixed on the top of LCD liquid crystal displays 50 and it is affixed on LCD liquid crystal displays 50
The lower polarizing coating 70 of lower section, LCD liquid crystal displays 50 are located at the underface of counterdie 31, so that LCD photocurings 3D of the present utility model
The molding mode of printer 100 is " face-layer ", and the molding mode compared to " point-face-layer " using SLA laser has faster
Shaping speed.Meanwhile by LCD liquid crystal displays 50, therefore the fixation display precision of LCD liquid crystal displays 50 is printing precision, it is reachable
0.05 millimeter；The size of LCD liquid crystal displays 50 is stamp with the size, and size is 200 × 150 millimeters, therefore precision is higher, and size is bigger.
Furthermore the upper polarizing coating 60 and lower polarizing coating 70 of LCD liquid crystal displays 50, can effectively filter out veiling glare, i.e. have to the light of incidence
Selectively cover and pass through, the light of longitudinal direction is passed through, the light of transverse direction is covered, so as to eliminate or mitigate
Hot spot, so that it is guaranteed that Forming Quality.Finally, for SLA photocuring printers, LCD photocurings 3D of the present utility model
The cost of printer 100 is relatively low, only thousands of members.
Above disclosed is only preferred embodiments of the present utility model, can not limit the utility model with this certainly
Interest field, therefore equivalent variations made according to the utility model claims still fall within the model that the utility model is covered
Enclose.
Claims (10)
1. a kind of LCD photocurings 3D printer, including fuselage, light supply apparatus, reservoir, shaped platform and drive the shaping flat
The lifting drive that platform moves up and down, for the reservoir on the fuselage, the bottom of the reservoir is printing opacity
Counterdie, the light supply apparatus is located at the fuselage and positioned at lower section corresponding to the reservoir, and the shaped platform is positioned at described
Top corresponding to reservoir, the lifting drive is located at the fuselage and drives the shaped platform into and out described
Reservoir, it is characterised in that the LCD photocurings 3D printer also includes between the counterdie and the light supply apparatus
LCD liquid crystal displays, the upper polarizing coating being affixed on above the LCD liquid crystal displays and the lower polarizing coating being affixed on below the LCD liquid crystal displays, institute
State the underface that LCD liquid crystal displays are located at the counterdie.
2. LCD photocurings 3D printer according to claim 1, it is characterised in that also lead to structure including tubaeform light,
The light, which leads to outside the cross section of structure, surrounds polygon, and the small end that the light leads to structure docks with the light supply apparatus, institute
The big end for stating the logical structure of light is extended at the lower polarizing coating, and the big end end that the light leads to structure carries Fresnel Lenses.
3. LCD photocurings 3D printer according to claim 2, it is characterised in that the fuselage includes framework and installation
Armstand at the top of the framework, the light supply apparatus are installed at the top surface of the bottom of the framework, the reservoir peace
At the top surface at the top loaded on the framework, the big end that the light leads to structure engages with the bottom surface at the top of the framework, described
Lifting drive is installed at the armstand and framework, and the LCD liquid crystal displays are installed at the top of the framework, described
LCD liquid crystal displays are also located between the counterdie and the Fresnel Lenses.
4. LCD photocurings 3D printer according to claim 3, it is characterised in that the fuselage is also included the frame
The forward and backward of frame, left and right cover the cover plate of getting up, and outer ventilating fan is provided with the cover plate.
5. LCD photocurings 3D printer according to claim 3, it is characterised in that the light supply apparatus is along the fuselage
Above-below direction fixed successively comprising radiator fan, cooling base piece, lamp group, reflector, condenser lens and lens from the bottom to top
Frame, the radiator fan, cooling base piece, lamp group, reflector, condenser lens and lens fixed mount are fixed together, described to dissipate
Hot-air fan also exposes the bottom surface of the bottom of the framework, and the small end end that the light leads to structure engages with the lens fixed mount.
6. LCD photocurings 3D printer according to claim 5, it is characterised in that the lamp group, which includes, produces ultraviolet
LED and LED lamp panel.
7. LCD photocurings 3D printer according to claim 3, it is characterised in that the lifting drive includes upper
Lower guide rod, oscilaltion platform, stepper motor, upper and lower screw mandrel and sliding sleeve are described upper and lower in the screw up and down on the upper and lower screw mandrel
The lower end of guide rod is installed at the top of the framework, and the upper end of the upper lower guide rod is installed at the armstand, the stepping
Motor is installed at the bottom surface at the top of the framework, and the output shaft of the stepper motor is upward through the top of the framework,
The upper end of the screw mandrel up and down is installed at the armstand, and the lower end of screw mandrel up and down and the output shaft of the stepper motor connect
Connect, in the upper lower guide rod, the screw up and down is installed on the oscilaltion platform oscilaltion platform sliding sleeve, it is described into
Type stage+module is on the oscilaltion platform.
8. LCD photocurings 3D printer according to claim 7, it is characterised in that the upper lower guide rod is distributed in described
At the left and right sides of upper and lower screw mandrel.
9. LCD photocurings 3D printer according to claim 3, it is characterised in that on the top surface at the top of the framework
Provided with the briquetting for being compressed to the left and right ends of the reservoir.
10. LCD photocurings 3D printer according to claim 9, it is characterised in that the briquetting is removably installed in
At the top surface at the top of the framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575844.8U CN206703524U (en) | 2017-05-22 | 2017-05-22 | LCD photocuring 3D printers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575844.8U CN206703524U (en) | 2017-05-22 | 2017-05-22 | LCD photocuring 3D printers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206703524U true CN206703524U (en) | 2017-12-05 |
Family
ID=60462716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720575844.8U Active CN206703524U (en) | 2017-05-22 | 2017-05-22 | LCD photocuring 3D printers |
Country Status (1)
| Country | Link |
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| CN (1) | CN206703524U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582768A (en) * | 2018-05-22 | 2018-09-28 | 张梦如 | A kind of photocuring 3D printer |
| CN108688152A (en) * | 2018-05-22 | 2018-10-23 | 张梦如 | A kind of photocuring 3D printing method |
| CN108724726A (en) * | 2018-05-24 | 2018-11-02 | 广东石油化工学院 | A kind of photosensitive resin 3D printer of LCD light source |
| CN110722795A (en) * | 2019-11-21 | 2020-01-24 | 吉林大学 | One shot forming's multiaspect LCD light source 3D printing device |
| CN111531881A (en) * | 2020-04-03 | 2020-08-14 | 湖南大学 | Multimode multi-material 3D printing equipment |
| CN111531880A (en) * | 2020-04-03 | 2020-08-14 | 湖南大学 | Multimode multi-material photocuring 3D printing equipment |
| CN111941847A (en) * | 2020-08-06 | 2020-11-17 | 温州大学平阳智能制造研究院 | Synthesize radiating LCD photocuring 3D and print light projection arrangement |
-
2017
- 2017-05-22 CN CN201720575844.8U patent/CN206703524U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582768A (en) * | 2018-05-22 | 2018-09-28 | 张梦如 | A kind of photocuring 3D printer |
| CN108688152A (en) * | 2018-05-22 | 2018-10-23 | 张梦如 | A kind of photocuring 3D printing method |
| CN108688152B (en) * | 2018-05-22 | 2020-09-25 | 泰州市扬帆车件有限公司 | Photocuring 3D printing method |
| CN108724726A (en) * | 2018-05-24 | 2018-11-02 | 广东石油化工学院 | A kind of photosensitive resin 3D printer of LCD light source |
| CN110722795A (en) * | 2019-11-21 | 2020-01-24 | 吉林大学 | One shot forming's multiaspect LCD light source 3D printing device |
| CN111531881A (en) * | 2020-04-03 | 2020-08-14 | 湖南大学 | Multimode multi-material 3D printing equipment |
| CN111531880A (en) * | 2020-04-03 | 2020-08-14 | 湖南大学 | Multimode multi-material photocuring 3D printing equipment |
| CN111941847A (en) * | 2020-08-06 | 2020-11-17 | 温州大学平阳智能制造研究院 | Synthesize radiating LCD photocuring 3D and print light projection arrangement |
| CN111941847B (en) * | 2020-08-06 | 2022-03-08 | 温州大学平阳智能制造研究院 | Synthesize radiating LCD photocuring 3D and print light projection arrangement |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210527 Address after: 518000 1201, building 3, Jincheng Industrial Park, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen chuangxiang Sandi Technology Co.,Ltd. Address before: 523808, 1, University Road, Songshan Lake District, Guangdong, Dongguan Patentee before: DONGGUAN University OF TECHNOLOGY |
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| TR01 | Transfer of patent right |