CN208921398U - High-precision display screen detection device - Google Patents
High-precision display screen detection device Download PDFInfo
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- CN208921398U CN208921398U CN201821351006.3U CN201821351006U CN208921398U CN 208921398 U CN208921398 U CN 208921398U CN 201821351006 U CN201821351006 U CN 201821351006U CN 208921398 U CN208921398 U CN 208921398U
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Abstract
A kind of high-precision display screen detection device, comprising: conveying assembly, conveying assembly include that slideway and cunning set the support component being mounted on slideway；Component is adjusted, component is adjusted and is mounted on the support component of conveying assembly；Clamp assemblies, clamp assemblies, which are mounted on, to be adjusted on component；Video aligns component, and video contraposition component is mounted on above slideway；Video aligns component and is electrically connected with component is adjusted；Video aligns the video component that component includes mounting rack and connect with mounting rack；And detection components, detection components are arranged above slideway, detection components and video component are arranged along the extending direction interval of slideway.Above-mentioned high-precision display screen detection device aligns component by setting screen and carries out contraposition adjustment to the position of clamp assemblies, instead of traditional artificial contraposition, and then improves the aligning accuracy to clamp assemblies；And component is controlled to adjust by the support component of setting conveying assembly and is moved along slideway, further increase the aligning accuracy of single unit system.
Description
Technical field
The utility model relates to electric detective technology fields, more particularly to a kind of high-precision display screen detection device.
Background technique
In the manufacturing process of display screen, the transparent thin glass plate of bulk is used as substrate for by depositing various materials
The bed of material and the application circuit for forming display board.This deposit is usually completed by multiple stages, in some stages, specific material
(such as metal, tin indium oxide (ITO), silicon, amorphous silicon) is deposited on and depends on the layer before together with predetermined pattern
(or in empty glass substrate).Each stage may also include various other steps, such as deposit, exposure mask, etching and demoulding.At these
In each stage in stage and the different step in each stage, all it is possible that display screen defect, these defects will be to displays
The final performance of screen generates the influence of electronics or vision, therefore it is especially heavy also just to seem for the automatic optics inspection of display screen
It wants.
Recently as the development of electronic equipment, since the resolution ratio of display screen is higher and higher, cause for testing product
Probe position and size it is also increasingly finer, it is high that this results in the aligning accuracy between probe and display screen to require, into
And traditional artificial contraposition is no longer satisfied the requirement of detection accuracy, and traditional detection device generallys use unreasonable silk
The mobile conducting structure of rod guide, so that the precision of conduction mechanism itself has just exceeded aligning accuracy required for detection, into
And to be unable to complete the detection work to display screen since the aligning accuracy of detection device is not high.
Utility model content
Based on this, it is necessary to for the low problem of detection device aligning accuracy, provide a kind of high-precision display screen detection dress
It sets.
A kind of high-precision display screen detection device, comprising:
Conveying assembly, the conveying assembly include that slideway and cunning set the support component being mounted on the slideway；
Component is adjusted, the adjusting component is mounted on the support component of the conveying assembly；
Clamp assemblies, the clamp assemblies are mounted on the adjusting component；
Video aligns component, and the video contraposition component is mounted on above the slideway；The video contraposition component and institute
It states and adjusts component electrical connection；The video aligns the video component that component includes mounting rack and connect with the mounting rack；And
Detection components, the detection components are arranged above the slideway, the detection components and the video component edge
The extending direction interval of the slideway is arranged.
Above-mentioned high-precision display screen detection device aligns component by setting screen and aligns to the position of clamp assemblies
Adjustment, instead of traditional artificial contraposition, and then improves the aligning accuracy to clamp assemblies；By the branch that conveying assembly is arranged
It supports element and controls to adjust component moving on slideway, instead of traditional unreasonable lead screw transmission mechanism, to improve clamping
The component displacement accuracy mobile by conveying assembly, and then further increase the aligning accuracy of single unit system.
In one of the embodiments, video contraposition component further include the horizontal carriage abutted with the mounting rack,
And the vertical balladeur train being connect with the horizontal carriage；The video component is connected and fixed with the vertical balladeur train.
The horizontal carriage is slidably installed in the top of the mounting rack, the water in n shape structure in one of the embodiments,
Smooth frame can the setting direction on the mounting rack along the clamp assemblies move.
The side of the horizontal carriage is arranged in straight panel shape for the vertical balladeur train in one of the embodiments, described
Vertical balladeur train can be moved along the direction of the vertical clamp assemblies.
The setting quantity of the video component is two in one of the embodiments,；Two video components are in simultaneously column-shaped
It is arranged on the mounting rack.
The detection components include detection seat, connect the first inspection with the detection seat respectively in one of the embodiments,
Survey actuator and the second detection actuator, connect with the first detection actuator first detect briquetting and with described second
Detect the second detection briquetting of actuator connection.
The detection seat is in U-shaped structure setting in one end of the slideway, the clamping group in one of the embodiments,
Part, which can correspond to, to be moved in the detection seat.
The setting of the setting direction of the first detection briquetting and the second detection briquetting in one of the embodiments,
Direction is perpendicular.
The clamp assemblies include jig platform, are separately positioned on the jig platform two in one of the embodiments,
The vertical clamping actuator of two held, the level clamping actuator being mounted in the jig platform and each vertical clamping
The vertical briquetting of actuator connection and the horizontal support block being connect with the horizontal clamping actuator.
The adjusting component includes the bottom plate connecting with the support component and the folder in one of the embodiments,
Hold top plate, the first lateral adjustments part being disposed in parallel between the bottom plate and top plate and the second lateral adjustments of component connection
Part and the vertical adjustment part being connect respectively with the bottom plate and top plate；The setting direction of the vertical adjustment part and described first
The setting direction of lateral adjustments part and the second lateral adjustments part is perpendicular.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the high-precision display screen detection device of one embodiment of the utility model；
Fig. 2 is the part configuration schematic diagram of high-precision display screen detection device described in Fig. 1；
Fig. 3 is the structural schematic diagram of conveying assembly described in Fig. 1；
Fig. 4 is the structural schematic diagram of clamp assemblies described in Fig. 1；
Fig. 5 is the structural schematic diagram that video described in Fig. 1 aligns component；
Fig. 6 is the structural schematic diagram of detection components described in Fig. 1.
The meaning of numbering in the drawing are as follows:
100- high-precision display screen detection device；
10- conveying assembly, 11- slideway, 12- support component；
20- clamp assemblies, 21- jig platform, 22- clamp actuator, 23- level clamping actuator, 24- vertically and press vertically
The horizontal support block of block, 25-；
It is vertical that 30- adjusts component, 31- bottom plate, 32- top plate, the first lateral adjustments of 33- part, the second lateral adjustments of 34- part, 35-
To regulating part；
40- video aligns component, 41- mounting rack, 42- video component, 45- horizontal carriage, the vertical balladeur train of 46-；
50- detection components, 51- detection seat, 52- first detects actuator, 53- second detects actuator, 54- first is detected
Briquetting, 55- second detect briquetting
90- substrate.
Specific embodiment
The utility model will be described more fully below for the ease of understanding the utility model,.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Please refer to Fig. 1 to Fig. 6, be one embodiment of the utility model high-precision display screen detection device 100, for pair
Display screen (figure not depending on) is detected, such as carries out optical detection to the display screen after polarizer sheet sticking above and below glass panel；It should
High-precision display screen detection device 100 include conveying assembly 10, the clamp assemblies 20 for being mounted on the top of conveying assembly 10, respectively with
What conveying assembly 10 and clamp assemblies 20 connected adjust component 30, the video positioned at conveying assembly 10 above aligns component 40 and
Above conveying assembly 10 and the detection components 50 that video aligns 40 side of component are set.
The conveying assembly 10 includes that slideway 11 and cunning set the support component 12 being mounted on slideway 11；The slideway 11 is in strip
The horizontally extending setting of shape, the slideway 11 is for playing the guiding role to the moving direction of support component 12；The support component
12 are connected to the top of slideway 11 in the horizontal direction, which adjusts component 30 and clamp assemblies 20 along water for driving
Square to movement.In the present embodiment, which is linear motor；The slideway 11 is correspondingly arranged on substrate 90；
The substrate 90 is in the horizontally extending setting of straight panel shape, which is used to install the whole high-precision display screen detection of support
Device 100；
The adjusting component 30 is mounted on the support component 12 of conveying assembly 10 and is correspondingly arranged at conveying assembly 10 and folder
It holds between component 20, adjusts component 30 and be used to adjust the relative position between conveying assembly 10 and clamp assemblies 20；The adjusting group
Part 30 include the bottom plate 31 being connect with support component 12, the top plate 32 being connect with clamp assemblies 20, be disposed in parallel in bottom plate 31 with
The first lateral adjustments part 33 between top plate 32 is connect with bottom plate 31 with top plate 32 vertical with the second lateral adjustments part 34 and respectively
To regulating part 35；The bottom plate 31 is horizontally disposed in straight panel shape, which is mounted on support component 12 backwards to substrate 90
Side, which is connected and fixed with support component 12；The top of bottom plate 31, the top plate are arranged in straight panel shape for the top plate 32
32 setting direction is identical as the setting direction of bottom plate 31, and the top plate 32 is for connecting clamp assemblies 20；First lateral adjustments
Part 33 and the second lateral adjustments part 34 are horizontally disposed, and the first lateral adjustments part 33 and the second lateral adjustments part 34 are in arranged side by side
Shape is arranged between bottom plate 31 and top plate 32, which prolongs with the second lateral adjustments part 34 along 11 direction of slideway
Stretch setting；The vertical adjustment part 35 is arranged horizontally between bottom plate 31 and top plate 32, and the vertical adjustment part 35 is along vertical
11 direction of slideway is extended, i.e. the setting direction of vertical adjustment part 35 and the first lateral adjustments part 33 and the second lateral adjustments
The setting direction of part 34 is perpendicular.In the present embodiment, which is UVW platform, which is to press from both sides for adjusting
Hold component 20 with respect to conveying assembly 10 in the horizontal direction the translation of X-axis and Y-axis and the clamp assemblies 20 relative to conveying assembly
The operating platform mechanism of 10 rotation in the horizontal direction.
The clamp assemblies 20 are corresponding to be mounted on the top for adjusting component 30 and is connected and fixed with top plate 32, the clamp assemblies 20
For gripping display screen to be detected；The clamp assemblies 20 include jig platform 21, are separately positioned on 21 liang of jig platform
The vertical clamping actuator 22 of two of end, the horizontal clamping actuator 23 being mounted in jig platform 21 drive with each vertical clamping
The vertical briquetting 24 and the horizontal support block 25 being connect with horizontal clamping actuator 23 that moving part 22 connects；The jig platform 21 and tune
Section component 30 is connected and fixed, which is correspondingly arranged at the top of top plate 32, which sets in the horizontal direction
It sets, jig platform 21 is for placing display screen to be detected；The vertical clamping actuator 22 is extended along the vertical direction, vertically
It clamps actuator 22 and upwardly extends setting from jig platform 21, the vertical bottom end for clamping actuator 22 is corresponding to be connected with jig platform 21
Connect fixation；The vertical briquetting 24 is correspondingly arranged at vertical clamping actuator 22 backwards to one end of jig platform 21, the vertical briquetting
24 for being connected on display screen and then being clamped to display screen along the vertical direction jig platform 21；Level clamping is driven
Moving part 23 is arranged horizontally in jig platform 21, and the bottom of level clamping actuator 23 connect solid with jig platform 21
It is fixed；The horizontal support block 25 is arranged horizontally at one end of horizontal clamping actuator 23, which passes through horizontal folder
It holds actuator 23 and drives the side for being connected to display screen, and then realize and display screen is fixed on to jig platform 21 in the horizontal direction
On.In the present embodiment, it is one of cylinder, hydraulic cylinder and motor that this clamps actuator 22 vertically；Level clamping driving
Part 23 is one of cylinder, hydraulic cylinder and motor.
The corresponding top for being erected at clamp assemblies 20 of video contraposition component 40, the video align component 40 and adjust component
30 electrical connections；Video contraposition component 40 includes mounting rack 41 and at least one video component 42 connecting with mounting rack 41；It should
Mounting rack 41 is arranged along the vertical direction in n shape structure, and the bottom correspondence of the mounting rack 41 is connected and fixed with substrate 90, the mounting rack
41 are erected at the top of slideway 11, and the conveying assembly 10, clamp assemblies 20 and adjusting component 30 can be corresponded to across the mounting rack 41；
Along the vertical direction, which is extended the video component 42 to 20 direction of clamp assemblies.In this reality
It applies in example, which is CCD camera (CCD full name in English: Charge coupled Device, Chinese name: charge
Coupling element is properly termed as ccd image sensor.CCD is a kind of semiconductor devices, optical image can be converted into digital letter
Number.).The setting quantity of the video component 42 is two；Two video components 42 are arranged on mounting rack 41 in simultaneously column-shaped, are used for
It improves video component 42 and exactness is firmly believed really to 20 position of clamp assemblies.Further, video contraposition component 40 further includes
The horizontal carriage 45 abutted with mounting rack 41 and the vertical balladeur train 46 being connect with horizontal carriage 45；The horizontal carriage 45 is in n shape knot
Structure is slidably installed in the top of mounting rack 41, the horizontal carriage 45 can the setting direction on mounting rack 41 along clamp assemblies 20 move,
The horizontal carriage 45 for adjusting the position of video component 42 in the horizontal direction；The vertical balladeur train 46 is arranged in straight panel shape in level
The side of balladeur train 45, the vertical balladeur train 46 are extended along the vertical direction, and the vertical balladeur train 46 is backwards to one end of horizontal carriage 45
It is connected and fixed with video component 42, which can move along the direction of vertical clamp assemblies 20, which uses
In the position for adjusting video component 42 along the vertical direction.In the present embodiment, the setting of the horizontal carriage 45 and vertical balladeur train 46
Quantity and video component 42 should be two relatively.
The detection components 50 are extended along the vertical direction, which is arranged in the top of slideway 11, detection group
Part 50 and video component 42 are arranged along the extending direction interval of slideway 11, and the detection components 50 are for detecting display screen；
The detection components 50 include detection seat 51, the first detection actuator 52 connecting respectively with detection seat 51 and the second detection actuator
53, the first detection briquetting 54 being connect with the first detection actuator 52 and the second detection being connect with the second detection actuator 53
Briquetting 55；The detection seat 51 is connected and fixed with substrate 90, and the detection seat 51 is in U-shaped structure setting in one end of slideway 11, the inspection
The U-shaped opening for surveying seat 51 is arranged to 20 direction of clamp assemblies, which is extended along the vertical direction upwards,
Clamp assemblies 20 can be moved in detection seat 51 by the way that conveying assembly 10 is corresponding, and then complete detection components 50 to clamp assemblies
The detection work of display screen on 20；The first detection actuator 52 extends along the vertical direction with the second detection actuator 53 to be set
It sets, which upwardly extends setting, the bottom end of the first detection actuator 52 and detection seat
51 are connected and fixed；Second detection, the 53 self-test seat 51 of actuator upwardly extends setting, the bottom end of the second detection actuator 53
It is connected and fixed with detection seat 51, which is arranged at the side of the corresponding slideway 11 of detection seat 51, this second
Detection actuator 53 is arranged at one end of the corresponding slideway 11 of detection seat 51；First detection briquetting 54 is corresponding to be driven with the first detection
The top of part 52 is connected and fixed, which is in the horizontally extending setting of straight panel shape, the first detection briquetting
At least one probe is provided on 54, which is arranged along the vertical direction for abutting on a display screen and examining to display screen
It surveys, which can be moved along the vertical direction by the first detection driving of actuator 52, and then drive probe or more
It is mobile, to control the contact condition of probe and display screen；The second detection horizontally extending setting of briquetting 55, second inspection
It surveys briquetting 55 and the top of the second detection actuator 53 is connected and fixed, be provided at least one spy on the second detection briquetting 55
The effect of needle, the second detection briquetting 55 is identical with the first detection briquetting 54.In the present embodiment, the first detection briquetting 54
Setting direction and the setting direction of the second detection briquetting 55 are perpendicular.
The working principle of high-precision display screen detection device 100 in the present embodiment are as follows: first put display screen to be detected
It sets in jig platform 21, is pressed from both sides display screen and jig platform 21 by clamping actuator 22 and horizontal clamping actuator 23 vertically
Hold fixation；The clamp assemblies 20 for being equipped with display screen are moved to video along 11 direction of slideway by conveying assembly 10 and align component
40 lower section, by video component 42 control to adjust component 30 realize to clamp assemblies 20 relative to conveying assembly 10 position into
Row is adjusted, wherein being realized to clamp assemblies 20 by the first lateral adjustments part 33 of synchronous driving and the second lateral adjustments part 34 along cunning
The translation in 11 direction of road is realized to clamp assemblies 20 by driving vertical adjustment part 35 along the translation in 11 direction of vertical slideway.It is logical
The asynchronous driving of control the first lateral adjustments part 33 and the second lateral adjustments part 34 is crossed, that is, passes through the first lateral adjustments part of control
33 and second the drive length of lateral adjustments part 34 realize the rotation in the horizontal plane of clamp assemblies 20.
After the completion of adjusting component 30 and being adjusted to the position of clamp assemblies 20, clamp assemblies 20 are moved by conveying assembly 10
It moves in detection components 50；The first detection briquetting is controlled by the first detection actuator 52 and the second detection actuator 53 respectively again
54 and second detection briquetting 55 push, and then make to be arranged in the first detection briquetting 54 and detect the probe on briquetting 55 with second and abut
On a display screen, and then to display screen it detects；It is driven after the completion of detection by the first detection actuator 52 and the second detection
First detection briquetting 54 of the control of part 53 is moved up with the second detection briquetting 55 and is separated with display screen；It will be clamped by conveying assembly 10 again
After component 20 is moved to initial position, by clamp actuator 22 vertically and horizontal clamping actuator 23 control vertical briquetting 24 with
Horizontal support block 25 is separated with display screen, then will test the display screen taking-up of completion, completes detection overall process；Repeat the above steps reality
Now continuously to the detection work of display screen.
Above-mentioned high-precision display screen detection device aligns component by setting screen and aligns to the position of clamp assemblies
Adjustment, instead of traditional artificial contraposition, and then improves the aligning accuracy to clamp assemblies；By the branch that conveying assembly is arranged
It supports element and controls to adjust component moving on slideway, instead of traditional unreasonable lead screw transmission mechanism, to improve clamping
The component displacement accuracy mobile by conveying assembly, and then further increase the aligning accuracy of single unit system；By controlling
Vertical clamping actuator is respectively set in the both ends of tool platform, can preferably grip to display screen, effectively prevent
Display screen is moved due to abutting with probe during the test, and then improves the precision of detection；By the way that video is arranged
The horizontal carriage of contraposition component and vertical balladeur train, the position of video component is adjusted in realization, and then shows the high-precision
Screen detection device can detect various sizes of display screen, improve the applicability of device；The displacement accuracy of the conveying assembly
The display aligning accuracy of reachable ± 0.001mm, the reachable ± 0.001mm of degree of regulation of the adjusting component, video contraposition component
Reachable ± 0.005mm, so make the aligning accuracy of the high-precision display screen detection device can reach ± 0.01mm contraposition require,
To meet the high-precision contraposition requirement to sharpness screen.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of high-precision display screen detection device characterized by comprising
Conveying assembly, the conveying assembly include that slideway and cunning set the support component being mounted on the slideway；
Component is adjusted, the adjusting component is mounted on the support component of the conveying assembly；
Clamp assemblies, the clamp assemblies are mounted on the adjusting component；
Video aligns component, and the video contraposition component is mounted on above the slideway；The video contraposition component and the tune
Save component electrical connection；The video aligns the video component that component includes mounting rack and connect with the mounting rack；And
Detection components, the detection components are arranged above the slideway, and the detection components and the video component are described in
The extending direction interval of slideway is arranged.
2. high-precision display screen detection device according to claim 1, which is characterized in that the video contraposition component also wraps
Include the horizontal carriage abutted with the mounting rack and the vertical balladeur train connecting with the horizontal carriage；The video component and institute
Vertical balladeur train is stated to be connected and fixed.
3. high-precision display screen detection device according to claim 2, which is characterized in that the horizontal carriage is in n shape knot
Structure is slidably installed in the top of the mounting rack, and the horizontal carriage can be on the mounting rack along the setting direction of the clamp assemblies
It is mobile.
4. high-precision display screen detection device according to claim 3, which is characterized in that the vertical balladeur train is in straight panel shape
The side of the horizontal carriage is set, and the vertical balladeur train can be moved along the direction of the vertical clamp assemblies.
5. high-precision display screen detection device according to claim 2, which is characterized in that the setting number of the video component
Amount is two；Two video components are arranged on the mounting rack in simultaneously column-shaped.
6. high-precision display screen detection device according to claim 1, which is characterized in that the detection components include detection
Seat connect with the detection seat the first detection actuator and the second detection actuator respectively, detects actuator company with described first
The the first detection briquetting connect and the second detection briquetting being connect with the second detection actuator.
7. high-precision display screen detection device according to claim 6, which is characterized in that the detection seat is in U-shaped structure
One end of the slideway is set, and the clamp assemblies, which can correspond to, to be moved in the detection seat.
8. high-precision display screen detection device according to claim 6, which is characterized in that the first detection briquetting is set
It sets direction and the setting direction of the second detection briquetting is perpendicular.
9. high-precision display screen detection device according to claim 1, which is characterized in that the clamp assemblies include jig
Platform, be separately positioned on two of the jig platform both ends it is vertical clamping actuator, the water that is mounted in the jig platform
It is flat to clamp actuator, the vertical briquetting connecting with each vertical clamping actuator and connect with the horizontal clamping actuator
Horizontal support block.
10. high-precision display screen detection device according to claim 1, which is characterized in that the adjusting component include with
The bottom plate of the support component connection, is disposed in parallel between the bottom plate and top plate the top plate connecting with the clamp assemblies
The vertical adjustment part that is connect with the second lateral adjustments part and respectively with the bottom plate and top plate of the first lateral adjustments part；It is described
The setting direction of vertical adjustment part and the setting direction of the first lateral adjustments part and the second lateral adjustments part are perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351006.3U CN208921398U (en) | 2018-08-21 | 2018-08-21 | High-precision display screen detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351006.3U CN208921398U (en) | 2018-08-21 | 2018-08-21 | High-precision display screen detection device |
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| CN208921398U true CN208921398U (en) | 2019-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320686A (en) * | 2019-07-15 | 2019-10-11 | 中导光电设备股份有限公司 | ULED screen substrate detection/measuring device pre- alignment device and its application method |
| CN112987354A (en) * | 2021-03-09 | 2021-06-18 | 深圳汇义科技有限公司 | Polaroid laminating precision detection device and control method thereof |
-
2018
- 2018-08-21 CN CN201821351006.3U patent/CN208921398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320686A (en) * | 2019-07-15 | 2019-10-11 | 中导光电设备股份有限公司 | ULED screen substrate detection/measuring device pre- alignment device and its application method |
| CN110320686B (en) * | 2019-07-15 | 2023-07-25 | 中导光电设备股份有限公司 | Pre-alignment device of ULED screen substrate detection/measurement equipment and use method thereof |
| CN112987354A (en) * | 2021-03-09 | 2021-06-18 | 深圳汇义科技有限公司 | Polaroid laminating precision detection device and control method thereof |
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