CN107044986A - Backlight finished product detection device and detection method - Google Patents
Backlight finished product detection device and detection method Download PDFInfo
- Publication number
- CN107044986A CN107044986A CN201710173993.6A CN201710173993A CN107044986A CN 107044986 A CN107044986 A CN 107044986A CN 201710173993 A CN201710173993 A CN 201710173993A CN 107044986 A CN107044986 A CN 107044986A
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- backlight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9513—Liquid crystal panels
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of backlight finished product detection device, including support, in addition to jig component, lighting jig, vacuum tool pressing plate, detection photomoduel, assembly arm, discharge component, coding component and blanking component；Jig component is located at rack surface, including some tools position；Vacuum tool pressing plate and lighting jig are sequentially arranged at the backlight finished product on same one end of jig component, vacuum tool pressing plate negative-pressure adsorption tool position, and lighting jig switches on power to backlight finished product, backlight finished product is lighted；Detect that photomoduel includes some cameras, gather image；Assembly arm is located at jig component side；Discharge component is located at one end relative with vacuum tool pressing plate；Coding component and blanking component are sequentially arranged at the output end of discharge component, and coding component is used for backlight product coding, and blanking component is used for the backlight product for sorting and transmitting acceptance or rejection.The present invention automatically can be detected and sorted to backlight product, distinguish non-defective unit and defective products.
Description
Technical field
The present invention relates to detection device technical field, a kind of backlight finished product detection device and detection method are particularly related to.
Background technology
Backlight is the light emitting source of the man-machine interface LCDs of high-end smart machine, and its illumination effect determines display screen
Image quality, is directly affected in satisfaction of the consumer to intelligent display device picture effect, backlight production process, material and production
The purity requirements of environment reach the standard of space level, and manual work process is more more in backlight production process easier has
The product of defect, and because when the brightness of product is higher than 6000cd/m2, (current product has all required 10000cd/m2) is visual
It is difficult to which the product examination of defect is come out, cause to find during defective assembling product finished product, cause finished product repair rate inclined
Height, reprocesses material loss and is up to 5%, and visual inspection efficiency is very low, and everyone just checks 100PCS per hour, and loss is high
Up to 50000PPM.
The defect of backlight is divided to two kinds, and a kind of is the defect presented under luminance, such as stain, foreign matter, light leak etc..Separately
A kind of is the defect that can be seen under non-luminescent state, such as cut.The defect of backlight has some common features：It is trickle
(0.1-0.2mm), unintelligible obscurity boundary, irregular distribution, deep or light deep mixed cause, naked eyes judge that subjectivity is strong.
The content of the invention
The present invention proposes a kind of backlight finished product detection device and detection method, can detect that backlight finished product whether there is
Flaw.
The technical proposal of the invention is realized in this way：
A kind of backlight finished product detection device, including support, in addition to jig component, lighting jig, vacuum tool pressing plate,
Detect photomoduel, assembly arm, discharge component, coding component and blanking component；
The jig component is located at the rack surface, including some tools position, and backlight finished product is sequentially placed wherein
At one tool position, the jig component drives backlight finished product to rotate；
The vacuum tool pressing plate and the lighting jig are sequentially arranged at same one end of the jig component, and the vacuum is controlled
Has the backlight finished product on pressing plate negative-pressure adsorption tool position, the lighting jig switches on power to backlight finished product, makes backlight
Finished product lights；
The detection photomoduel includes some cameras that can be horizontally slipped, and the camera gathers backlight product image；
The assembly arm is located at the jig component side, and the jig component is rotated, the backlight production after collection image
Product are moved at the assembly arm, and shading PET is assembled on the backlight product by the assembly arm；
The discharge component is located at one end relative with the vacuum tool pressing plate, and it is used for the backlight production after assembling
Product are moved to the coding component；
The coding component and the blanking component are sequentially arranged at the output end of the discharge component, and the coding component is used
In to backlight product coding, the blanking component is used for the backlight product for sorting and transmitting acceptance or rejection.
Further, in addition to drive component and control assembly, the drive component includes some motors, the motor point
The jig component, vacuum tool pressing plate, detection photomoduel, assembly arm, discharge component, coding component and blanking group are not driven
Part is moved, and the control assembly controls the motor, is additionally operable to receive backlight product image, is produced according to graphical analysis backlight
Whether the surface of product is qualified.
Further, the vacuum tool pressing plate includes top board and vacuum tool, and the top board includes base, gas
Cylinder, plate bracket and pressing plate, the plate bracket include horizontal panel and are located at the curved support frame of the horizontal panel both sides,
The cylinder is located between the base and the plate bracket, and the cylinder drives the horizontal panel to rise and decline, institute
The middle part for stating pressing plate is provided with stepped opening, and the back side of the stepped opening is provided with a U-shaped card slot along opening；It is described true
Empty tool is platy structure, and after the top board and the vacuum tool are compressed, the U-shaped card slot constitutes closed connected region,
It connects vacuum source.
Further, the detection photomoduel also includes camera support and fan-shaped camera fixed plate, the camera support
For inverted U-shaped structure, fixed its side is provided with chute on the bracket, and the fan-shaped camera fixed plate is acted on the chute
Slide, the camera is fixed in the fan-shaped camera fixed plate in sector.
Further, the discharge component includes vacuum cups and transfer arm, and the vacuum cups is located at the transfer arm
On, the transfer arm drives the vacuum cups both vertically as well as horizontally moving.
Backlight product inspection method, specifically includes following steps：
(1) light screening material on backlight finished product is peeled off, backlight finished product is placed into jig component；
(2) jig component is rotated, and drives backlight finished product to next tool position；Vacuum tool pressing plate compresses vacuum tool,
Backlight product is compressed by negative-pressure adsorption；Lighting jig switches on power to backlight finished product, backlight finished product is lighted；
(3) camera is moved to the position of tool described in step (2), collection by detection photomoduel from the center of jig component
The surface image of corresponding backlight product；
(4) jig component is rotated, and light screening material is covered backlight by drive backlight finished product to next tool position, assembly arm
On the finished product of source；
(5) jig component is rotated, and is driven backlight finished product to next tool position, is discharged component by backlight finished product from tool
It is moved on component on streamline；
(6) coding component is to backlight finished product coding, blanking component sorting non-defective unit and defective products, and non-defective unit keeps streamline
Place, defective products, which is concentrated, to be stacked into logging box.
Further, the vacuum tool pressing plate includes top board and vacuum tool, and vacuum tool is placed on tool position；
The top board includes base, cylinder, plate bracket and pressing plate, and the plate bracket includes horizontal panel and is located at the level
The curved support frame of panel both sides, the cylinder is located between the base and the plate bracket, and the cylinder driving is described
Horizontal panel rises and declined, and the middle part of the pressing plate is provided with stepped opening, and the back side edge of the stepped opening is opened
Mouth is provided with a U-shaped card slot；The vacuum tool is platy structure, described U-shaped after the top board and the vacuum tool are compressed
Neck constitutes closed connected region, and it connects vacuum source.
Further, the detection photomoduel also includes camera support and fan-shaped camera fixed plate, the camera support
For inverted U-shaped structure, fixed its side is provided with chute on the bracket, and the fan-shaped camera fixed plate is acted on the chute
Slide, the camera is fixed in the fan-shaped camera fixed plate in sector.
Further, the discharge component includes vacuum cups and transfer arm, and the vacuum cups is located at the transfer arm
On, the transfer arm drives the vacuum cups both vertically as well as horizontally moving.
The beneficial effects of the present invention are：Automatically backlight product can be detected and sorted, distinguish non-defective unit
And defective products.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the planar structure schematic diagram of backlight finished product detection device of the present invention；
Fig. 2 is the structural representation of detection photomoduel；
Fig. 3 is the structural representation of jig component；
Fig. 4 is the structural representation of assembly arm；
Fig. 5 is the structural representation of discharge component；
The structural representation of Fig. 6 vacuum tool pressing plates；
Fig. 7 is the structural representation of top board.
In figure, 1- jig components；2- vacuum tools；3- lighting jigs；4- vacuum tool pressing plates；5- detects photomoduel；
6- assembly arm；7- discharges component；8- coding components；9- blanking components.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 1-Fig. 7, the present invention proposes a kind of backlight finished product detection device, including support, in addition to tool
Component 1, lighting jig 3, vacuum tool pressing plate 4, detection photomoduel 5, assembly arm 6, discharge component 7, coding component 8 and blanking
Component 9；
Jig component 1 is located at rack surface, including some tools position, and backlight finished product is sequentially placed tool position wherein
Place, jig component 1 drives backlight finished product to rotate；
Vacuum tool pressing plate 4 and lighting jig 3 are sequentially arranged at same one end of jig component 1, and the negative pressure of vacuum tool pressing plate 4 is inhaled
Backlight finished product on attached tool position, lighting jig 3 switches on power to backlight finished product, backlight finished product is lighted；
Detection photomoduel 5 includes some cameras that can be horizontally slipped, camera collection backlight product image；
Assembly arm 6 is located at the side of jig component 1, and jig component 1 is rotated, and the backlight product after collection image is moved to group
Fill at arm 6, shading PET is assembled on backlight product by assembly arm 6；
Discharge component 7 is located at one end relative with vacuum tool pressing plate 4, and it is used for the backlight product movement after assembling
To coding component 8；
Coding component 8 and blanking component 9 are sequentially arranged at the output end of discharge component 7, and coding component 8 is used to produce backlight
Product coding, blanking component 9 is used for the backlight product for sorting and transmitting acceptance or rejection.
Also include drive component and control assembly, drive component include some motors, motor drive respectively jig component 1,
Vacuum tool pressing plate 4, detection photomoduel 5, assembly arm 6, discharge component 7, coding component 8 and blanking component 9 are moved, control group
Whether part controlled motor, is additionally operable to receive backlight product image, qualified according to the surface of graphical analysis backlight product.
Vacuum tool pressing plate 4 includes top board and vacuum tool 2, and top board includes base, cylinder, plate bracket and pressure
Plate, plate bracket includes horizontal panel and is located at the curved support frame of horizontal panel both sides, and cylinder is located at base and plate bracket
Between, cylinder driving horizontal panel rises and declined, and the middle part of pressing plate is provided with stepped opening, the back side of stepped opening
A U-shaped card slot is provided with along opening；Vacuum tool 2 is platy structure, and after top board and vacuum tool 2 are compressed, U-shaped card slot constitutes close
Connected region is closed, it connects vacuum source.
Detect that photomoduel 5 also includes camera support and fan-shaped camera fixed plate, camera support is inverted U-shaped structure, fixed
On support, its side is provided with chute, and fan-shaped camera fixed plate acts on slip on the chute, and camera is fixed on sector in sector
In camera fixed plate.
Discharging component 7 includes vacuum cups and transfer arm, and vacuum cups is located on transfer arm, and transfer arm drives vacuum cups
Both vertically as well as horizontally moving.
The invention also provides a kind of backlight product inspection method, following steps are specifically included：
(1) light screening material on backlight finished product is peeled off, backlight finished product is placed into jig component 1；
(2) jig component 1 is rotated, and drives backlight finished product to next tool position；Vacuum tool pressing plate 4 compresses vacuum tool
2, backlight product is compressed by negative-pressure adsorption；Lighting jig 3 switches on power to backlight finished product, backlight finished product is lighted；
(3) camera is moved to tool position in step (2) by detection photomoduel 5 from the center of jig component 1, gathers phase
Answer the surface image of backlight product；
(4) jig component 1 is rotated, and light screening material is covered the back of the body by drive backlight finished product to next tool position, assembly arm 6
On light source finished product；
(5) jig component 1 is rotated, and is driven backlight finished product to next tool position, is discharged component 7 by backlight finished product from controlling
It is moved on tool component 1 on streamline；
(6) coding component 8 is to backlight finished product coding, the sorting non-defective unit of blanking component 9 and defective products, and non-defective unit keeps streamline
Place, defective products, which is concentrated, to be stacked into logging box.
Vacuum tool pressing plate 4 includes top board and vacuum tool 2, and vacuum tool 2 is placed on tool position；Top board includes
Base, cylinder, plate bracket and pressing plate, plate bracket include horizontal panel and are located at the curved support frame of horizontal panel both sides,
Cylinder is located between base and plate bracket, and cylinder driving horizontal panel rises and declined, and the middle part of pressing plate is provided with ladder
Shape opening, the back side of stepped opening is provided with a U-shaped card slot along opening；Vacuum tool 2 is platy structure, and top board and vacuum are controlled
After tool 2 is compressed, U-shaped card slot constitutes closed connected region, and it connects vacuum source.
Detect that photomoduel 5 also includes camera support and fan-shaped camera fixed plate, camera support is inverted U-shaped structure, fixed
On support, its side is provided with chute, and fan-shaped camera fixed plate acts on slip on the chute, and camera is fixed on sector in sector
In camera fixed plate.
Discharging component 7 includes vacuum cups and transfer arm, and vacuum cups is located on transfer arm, and transfer arm drives vacuum cups
Both vertically as well as horizontally moving.
The present invention automatically can be detected and sorted to backlight product, distinguish non-defective unit and defective products.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of backlight finished product detection device, including support, it is characterised in that：Also include jig component, lighting jig, vacuum
Tool pressing plate, detection photomoduel, assembly arm, discharge component, coding component and blanking component；
The jig component is located at the rack surface, including some tools position, and backlight finished product is sequentially placed one to be controlled wherein
Have at position, the jig component drives backlight finished product to rotate；
The vacuum tool pressing plate and the lighting jig are sequentially arranged at same one end of the jig component, the vacuum tool pressure
Backlight finished product on plate negative-pressure adsorption tool position, the lighting jig switches on power to backlight finished product, makes backlight finished product
It is luminous；
The detection photomoduel includes some cameras that can be horizontally slipped, and the camera gathers backlight product image；
The assembly arm is located at the jig component side, and the jig component is rotated, and the backlight product after collection image is moved
Move to the assembly arm, shading PET is assembled on the backlight product by the assembly arm；
The discharge component is located at one end relative with the vacuum tool pressing plate, and it is used to move the backlight product after assembling
Move to the coding component；
The coding component and the blanking component be sequentially arranged at it is described discharge component output end, the coding component be used for pair
Backlight product coding, the blanking component is used for the backlight product for sorting and transmitting acceptance or rejection.
2. backlight finished product detection device according to claim 1, it is characterised in that：Also include drive component and control group
Part, the drive component includes some motors, and the motor drives the jig component, vacuum tool pressing plate, detection phase respectively
Thermomechanical components, assembly arm, discharge component, coding component and blanking component movement, the control assembly control the motor, are additionally operable to
Backlight product image is received, it is whether qualified according to the surface of graphical analysis backlight product.
3. backlight finished product detection device according to claim 1 or 2, it is characterised in that：The vacuum tool pressing plate bag
Top board and vacuum tool are included, the top board includes base, cylinder, plate bracket and pressing plate, and the plate bracket includes water
Surface plate and the curved support frame for being located at the horizontal panel both sides, the cylinder be located at the base and the plate bracket it
Between, the cylinder drives the horizontal panel to rise and decline, and the middle part of the pressing plate is provided with stepped opening, the rank
The back side of scalariform opening is provided with a U-shaped card slot along opening；The vacuum tool is platy structure, the top board and the vacuum
After tool is compressed, the U-shaped card slot constitutes closed connected region, and it connects vacuum source.
4. backlight finished product detection device according to claim 3, it is characterised in that：The detection photomoduel also includes
Camera support and fan-shaped camera fixed plate, the camera support is inverted U-shaped structure, is fixed on the bracket, its side is provided with
Chute, the fan-shaped camera fixed plate acts on slip on the chute, and the camera is fixed on the fan-shaped camera in sector and consolidated
In fixed board.
5. backlight finished product detection device according to claim 1 or 2, it is characterised in that：The discharge component includes true
Suction head and transfer arm, the vacuum cups are located on the transfer arm, and the transfer arm drives the vacuum cups vertical
With horizontal direction movement.
6. backlight product inspection method, it is characterised in that specifically include following steps：
(1) light screening material on backlight finished product is peeled off, backlight finished product is placed into jig component；
(2) jig component is rotated, and drives backlight finished product to next tool position；Vacuum tool pressing plate compresses vacuum tool, passes through
Negative-pressure adsorption compresses backlight product；Lighting jig switches on power to backlight finished product, backlight finished product is lighted；
(3) camera is moved to the position of tool described in step (2) by detection photomoduel from the center of jig component, and collection is corresponding
The surface image of backlight product；
(4) jig component is rotated, and drives backlight finished product to next tool, assembly arm by light screening material cover backlight into
On product；
(5) jig component is rotated, and is driven backlight finished product to next tool position, is discharged component by backlight finished product from jig component
On be moved on streamline；
(6) coding component is to backlight finished product coding, blanking component sorting non-defective unit and defective products, and non-defective unit is kept at streamline, no
Non-defective unit, which is concentrated, to be stacked into logging box.
7. backlight product inspection method according to claim 6, it is characterised in that the vacuum tool pressing plate includes upper
Pressing plate and vacuum tool, vacuum tool are placed on tool position；The top board includes base, cylinder, plate bracket and pressing plate,
The plate bracket includes horizontal panel and is located at the curved support frame of the horizontal panel both sides, and the cylinder is located at the bottom
Between seat and the plate bracket, the cylinder drives the horizontal panel to rise and decline, and the middle part of the pressing plate is set
There is stepped opening, the back side of the stepped opening is provided with a U-shaped card slot along opening；The vacuum tool is platy structure,
After the top board and the vacuum tool are compressed, the U-shaped card slot constitutes closed connected region, and it connects vacuum source.
8. backlight product inspection method according to claim 6, it is characterised in that the detection photomoduel also includes
Camera support and fan-shaped camera fixed plate, the camera support is inverted U-shaped structure, is fixed on the bracket, its side is provided with
Chute, the fan-shaped camera fixed plate acts on slip on the chute, and the camera is fixed on the fan-shaped camera in sector and consolidated
In fixed board.
9. backlight product inspection method according to claim 6, it is characterised in that the discharge component is inhaled including vacuum
Head and transfer arm, the vacuum cups are located on the transfer arm, and the transfer arm drives the vacuum cups in vertical and water
Square to movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173993.6A CN107044986A (en) | 2017-03-22 | 2017-03-22 | Backlight finished product detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173993.6A CN107044986A (en) | 2017-03-22 | 2017-03-22 | Backlight finished product detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107044986A true CN107044986A (en) | 2017-08-15 |
Family
ID=59545593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710173993.6A Withdrawn CN107044986A (en) | 2017-03-22 | 2017-03-22 | Backlight finished product detection device and detection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107044986A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621707A (en) * | 2017-10-27 | 2018-01-23 | 东莞市兴为电子科技有限公司 | A kind of liquid crystal screen back light source module surface defect automatic optical detecting system |
| CN107833222A (en) * | 2017-12-11 | 2018-03-23 | 桂林航天电子有限公司 | A kind of non-metal workpiece fifth wheel detection means and method |
| CN109633943A (en) * | 2019-01-10 | 2019-04-16 | 重庆京东方显示照明有限公司 | Backlight rubberizing detecting tool |
| CN113245823A (en) * | 2021-06-16 | 2021-08-13 | 苏州天准科技股份有限公司 | Rotating disc device with plugging function and camera assembling equipment |
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| CN103743752A (en) * | 2014-01-23 | 2014-04-23 | 四川大学 | Online detecting equipment for magnetic shoes based on machine vision |
| CN204439974U (en) * | 2015-03-27 | 2015-07-01 | 合肥京东方显示光源有限公司 | A kind of backlight pick-up unit |
| CN105527294A (en) * | 2015-12-31 | 2016-04-27 | 广东长天精密设备科技有限公司 | A backlight detecting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743752A (en) * | 2014-01-23 | 2014-04-23 | 四川大学 | Online detecting equipment for magnetic shoes based on machine vision |
| CN204439974U (en) * | 2015-03-27 | 2015-07-01 | 合肥京东方显示光源有限公司 | A kind of backlight pick-up unit |
| CN105527294A (en) * | 2015-12-31 | 2016-04-27 | 广东长天精密设备科技有限公司 | A backlight detecting machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621707A (en) * | 2017-10-27 | 2018-01-23 | 东莞市兴为电子科技有限公司 | A kind of liquid crystal screen back light source module surface defect automatic optical detecting system |
| CN107833222A (en) * | 2017-12-11 | 2018-03-23 | 桂林航天电子有限公司 | A kind of non-metal workpiece fifth wheel detection means and method |
| CN107833222B (en) * | 2017-12-11 | 2023-12-22 | 桂林航天电子有限公司 | Nonmetal part surplus detection device and method |
| CN109633943A (en) * | 2019-01-10 | 2019-04-16 | 重庆京东方显示照明有限公司 | Backlight rubberizing detecting tool |
| CN113245823A (en) * | 2021-06-16 | 2021-08-13 | 苏州天准科技股份有限公司 | Rotating disc device with plugging function and camera assembling equipment |
| CN113245823B (en) * | 2021-06-16 | 2021-11-19 | 苏州天准科技股份有限公司 | Rotating disc device with plugging function and camera assembling equipment |
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