CN207336980U - Liquid crystal module screen detecting system - Google Patents
Liquid crystal module screen detecting system Download PDFInfo
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- CN207336980U CN207336980U CN201720782386.5U CN201720782386U CN207336980U CN 207336980 U CN207336980 U CN 207336980U CN 201720782386 U CN201720782386 U CN 201720782386U CN 207336980 U CN207336980 U CN 207336980U
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Abstract
The utility model provides a kind of liquid crystal module screen detecting system, including：First side visual detection unit and second side visual detection unit.The first side visual detection unit includes the first image capture module and the first manipulator, and the first side visual detection unit is used to be detected the first side；The second side visual detection unit includes the second image capture module, thickness measure module and the second manipulator；The second side visual detection unit is used to be detected second side, and the thickness of the liquid crystal module screen to be detected is detected.A kind of liquid crystal module screen detecting system that the utility model embodiment provides, realizes the vision-based detection to liquid crystal module screen side to be detected, while realize the Thickness sensitivity to liquid crystal module screen to be detected.Whole measuring system is without human intervention, efficient, and examination criteria is unified, suitable for high-precision detection.
Description
Technical field
The utility model embodiment is related to technical field of mechanical automation, is examined more particularly, to a kind of liquid crystal module screen
Examining system.
Background technology
Liquid crystal module screen generally comprises liquid crystal display, backlight, shadow shield, printed circuit board (PCB) (Printed Circuit
Board, PCB), light guide plate etc., these components can form the liquid crystal for possessing preliminary display function by the assembling of certain forms
Module screen.In order to ensure the quality of liquid crystal module screen, in addition to needing to be detected the display performance of liquid crystal module screen, also need
The appearance of liquid crystal module screen is detected.In the appearance detection of liquid crystal module screen, in order to detect the side of liquid crystal module screen
The defects of side is with the presence or absence of breakage is, it is necessary to be detected its side appearance.
At present, the side detection of liquid crystal module screen is general by the way of manually estimating, and the worker on production line is by eyes
The side image for the side seen judges the liquid crystal module on production line with not having the side image of defective side to be compared
The side of screen whether there is defect.
But since module screen production scale is often larger, side defect, worker's working strength are detected using artificial range estimation
Greatly, efficiency is low, simultaneously because the subjectivity of people, the examination criteria disunity between worker, causes testing result not have objectivity,
It cannot meet the requirement detected in high precision.
Utility model content
The utility model embodiment provides a kind of liquid for overcoming the above problem or solving the above problems at least in part
Brilliant module screen detecting system.
The utility model embodiment provides a kind of liquid crystal module screen detecting system, including：First side vision-based detection list
Member and second side visual detection unit；
The first side visual detection unit includes the first manipulator and two the first image capture modules；It is described two
First image capture module is arranged in the first robot movement path both sides, and described in first manipulator process
It is to be detected on the first manipulator described in described two first image capture module difference faces during two the first image capture modules
The first side of liquid crystal module screen；
The second side visual detection unit includes the second manipulator and two the second image capture modules；It is described two
Second image capture module is arranged in the both sides in the second robot movement path, and second manipulator passes through institute
It is to be checked on the second manipulator described in described two second image capture module difference faces when stating two the second image capture modules
Survey liquid crystal module screen second side.
Wherein, the second side visual detection unit further includes at least one thickness measure module, the thickness measure
Module includes displacement sensor carrying movement module and two laser displacement sensors；Institute's displacement sensors carrying movement module
Outwardly extending both ends are provided with, described two laser displacement sensors are separately mounted to institute's displacement sensors carrying movement mould
The both ends of group, the both ends of institute displacement sensors carrying movement module respectively positioned at the second robot movement path up and down
Both sides, and when second manipulator passes through the thickness measure module, described two laser displacement sensors difference face institutes
State the two sides up and down of liquid crystal module screen to be detected.
Wherein, described two first image capture modules are arranged symmetrically in the first robot movement path both sides；It is right
Any one first image capture module in described two first image capture modules, any one described first Image Acquisition
Module includes first camera carrying movement module and first camera, and the first camera is installed on first camera carrying movement
On module, and when first manipulator passes through described two first image capture modules, the camera lens face of the first camera
The first side.
Wherein, the motion path of the first camera carrying movement module is perpendicular to the movement road of first manipulator
Footpath.
Wherein, described two second image capture modules are arranged symmetrically in the second robot movement path both sides；It is right
Any one second image capture module in described two second image capture modules, any one described second Image Acquisition
Module includes second camera carrying movement module and second camera, and the second camera is installed on second camera carrying movement
On module, and when second manipulator passes through described two second image capture modules, the camera lens face of the second camera
The second side.
Wherein, the motion path of the second camera carrying movement module is perpendicular to the movement road of second manipulator
Footpath.
Wherein, the both ends of institute's displacement sensors carrying movement module are symmetrical arranged.
Wherein, the motion path of institute's displacement sensors carrying movement module is perpendicular to the movement road of second manipulator
Footpath.
Wherein, feed mechanism is further included, is divided into the first feed mechanism and the second feed mechanism；
First feed mechanism includes the first driving motor, first straight line slide and can be along the first straight line slide
First slide unit of movement, first slide unit are connected with first manipulator；
Second feed mechanism includes the second driving motor, second straight line slide and can be along the second straight line slide
Second slide unit of movement, second slide unit are connected with second manipulator.
Wherein, further include PLC control modules, the PLC control modules respectively with the driving mechanism, described first image
Acquisition module, second image capture module and the thickness measure module are electrically connected.
A kind of liquid crystal module screen detecting system that the utility model embodiment provides, by the way that image capture module is arranged in
Liquid crystal module screen motion path both sides to be detected are acquired the side image of its side, and then realize to liquid crystal to be detected
The vision-based detection of module screen side, whole measuring system is without human intervention, efficient, and examination criteria is unified, suitable for high-precision
Degree detection.
Brief description of the drawings
Fig. 1 is a kind of three-dimensional structure diagram for liquid crystal module screen detecting system that the utility model embodiment provides；
Fig. 2 is the first side vision-based detection in a kind of liquid crystal module screen detecting system that the utility model embodiment provides
The three-dimensional structure diagram of unit；
Fig. 3 is the second side vision-based detection in a kind of liquid crystal module screen detecting system that the utility model embodiment provides
The three-dimensional structure diagram of unit；
Reference numeral：
1- first sides visual detection unit；2- second sides visual detection unit；
The first image capture modules of 11-；The first manipulators of 12-；
The second image capture modules of 21-；22- thickness measure modules；
The second manipulators of 23-；111- first cameras carrying movement module；
112- first cameras；211- second cameras carrying movement module；
212- second cameras；221- displacement sensors carrying movement module；
222- laser displacement sensors；311- first drives motor；
312- first straight line slides；The first slide units of 313-；
321- second drives motor；322- second straight line slides；
The second slide units of 323-.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, is explicitly described the technical scheme in the embodiment of the utility model, it is clear that described reality
It is the utility model part of the embodiment to apply example, instead of all the embodiments.Based on the embodiment in the utility model, ability
Domain those of ordinary skill all other embodiments obtained without making creative work, it is new to belong to this practicality
The scope of type protection.
Fig. 1 is a kind of liquid crystal module screen detecting system that the utility model embodiment provides, as shown in Fig. 1, the system
Including：First side visual detection unit 1 and second side visual detection unit 2.Wherein：
The first side visual detection unit 1 includes the first manipulator 12 and two the first image capture modules 11；Institute
State two the first image capture modules 11 and be arranged in the 12 motion path both sides of the first manipulator, and first machinery
When hand 12 is by described two first image capture modules 11, described two first image capture modules 11 distinguish described in faces the
The first side of liquid crystal module screen to be detected on one manipulator 12, the first side visual detection unit 1 are used for described the
A side is detected.
The second side visual detection unit 2 includes the second manipulator 23 and two the second image capture modules 21.Institute
State the both sides that two the second image capture modules 21 are arranged in 23 motion path of the second manipulator, and second machine
When tool hand 23 is by described two second image capture modules 21, described two second image capture modules 21 are distinguished described in face
Liquid crystal module screen second side to be detected on second manipulator 23, the second side visual detection unit 2 are used for described the
Dual side-edge is detected.
Wherein, liquid crystal module screen is generally cuboid, and upper and lower surface is display interface and backboard respectively, and four additional face is
Two pairs of corresponding faces.The first side visual detection unit 1 is used to detect one pair of which side, such as long side corresponding two
A side.The second side visual detection unit 2 is used to detect wherein another pair side, such as corresponding two sides of short side
Face.First manipulator 12 and second manipulator 23 are loaded or are captured the liquid crystal module to be detected by Acetabula device
Screen, and move along a straight line with the liquid crystal module screen to be detected.Described first image acquisition module 11 is arranged in described first
12 motion path both sides of manipulator, and the side of face liquid crystal module screen first side to be detected, are to be able to described in collection
The side image of first side.Second image capture module 21 is arranged in the two of 23 motion path of the second manipulator
Side, and the side of liquid crystal module screen second side to be detected described in face, are to gather the side image of the second side.
Specifically, the specific operation of liquid crystal module screen detecting system is：First manipulator 12 captures to be checked
Move along a straight line after surveying liquid crystal module screen, at this time the side face described first image acquisition module 11 of the first side.When
The liquid crystal module screen to be detected passes through during described first image acquisition module 11, and described first image acquisition module 11 is adopted
Collect the side image of two first sides, the first side visual detection unit 1 is according to the side of the first side
Image judges whether two first sides of the liquid crystal module screen to be detected are qualified.Complete the detection of the first side
Afterwards, the liquid crystal module screen to be detected is delivered to the second side visual detection unit 2, during specific implementation, using with
The manipulator of corresponding sucker is conveyed.In the second side visual detection unit 2, second manipulator 23 captures
Move along a straight line after the liquid crystal module screen to be detected to be detected, at this time the second image described in the side face of the second side
Acquisition module 21.During the liquid crystal module screen to be detected passes through second image capture module 21, second figure
As acquisition module 21 gathers the side image of the second side, the second side visual detection unit 2 is according to described second
The side image of side judges that whether qualified two second sides are final, if existing not in the liquid crystal module screen to be detected
Qualified side, then will be described to be detected.Liquid crystal module screen screens；If do not conform in the liquid crystal module screen to be detected
Lattice side, then be delivered to next process by the liquid crystal module screen to be detected.
A kind of liquid crystal module screen detecting system that the utility model embodiment provides, by the way that image capture module is arranged in
Liquid crystal module screen motion path both sides to be detected are acquired the side image of its side, and then realize to liquid crystal to be detected
The vision-based detection of module screen side, whole measuring system is without human intervention, efficient, and examination criteria is unified, suitable for high-precision
Degree detection.
In the above-described embodiments, further include host computer, for sent according to described first image acquisition module 11 first
The side image of side, and the side image of the second side of second image capture module 21 transmission, to described to be checked
The side for surveying liquid crystal module screen is detected, and the thickness value for being sent according to the thickness measure module 22 is to described to be checked
The thickness for surveying liquid crystal module screen is detected.
Specifically, side view of the host computer in the first side sent according to described first image acquisition module 11
Picture, and the side image of the second side of second image capture module 21 transmission, to the liquid crystal module screen to be detected
Side when being detected, be broadly divided into two steps：First, the picture of side area in the picture is determined by image procossing
Plain position, that is, carry out side area positioning.Then, offside border region detects side again by image segmentation and morphology means
The defects of inside border region.Specific implementation when, first, using carrying out image threshold segmentation and shape restrictive condition distinguish lug and
Other detectable substances, so as to accurately obtain lug image, then filter lug image from side view picture.Filtering out lug figure
As and then it is secondary side area is split from complex background by image partition method, in order to filter out interference, it is set
Fixed appropriate condition limitation, so as to accurately obtain side area, that is, completes side area positioning.Then, offside border region into
Row image segmentation the breakage that shows money or valuables one carries unintentionally inside region is split, and by the conditions such as area and gray scale difference limitation will meet it is specific
The breakage of condition marks, and testing result is transmitted to test side and is parsed.
The host computer according to the thickness value that the thickness measure module 22 is sent to the liquid crystal module screen to be detected
Thickness when being detected, the thickness value that the thickness measure module 22 is sent judges to be detected compared with standard value
Whether liquid crystal module screen is qualified.
In the above-described embodiments, as shown in Fig. 2, described two first image capture modules 11 are arranged symmetrically in described first
12 motion path both sides of manipulator；For any one first image capture module in described two first image capture modules 11
11, any one described first image capture module 11 includes first camera carrying movement module 111 and first camera 112, institute
First camera 112 is stated on first camera carrying movement module 111, and first manipulator 12 passes through described two
During a first image capture module 11, first side described in the camera lens face of the first camera 112.Described two first images
Acquisition module 11 is used for the side image for gathering the first side, and the side image of the first side collected is sent out
Send to the host computer.
Wherein, two first camera carrying movement modules 111 are arranged symmetrically in the movement of liquid crystal module screen to be detected
Path both sides, and two first cameras 112 are carried installed in the corresponding first camera after moving on module 111, when
When the liquid crystal module screen to be detected passes through the first camera 112, the first side described in the camera lens face of the first camera 112
The side on side.Such set-up mode is to enable two 112 synchronous acquisitions of first camera to two described first
The side image of side.Wherein, the first camera 112 uses line array CCD camera.
Specifically, annular light source can be set on the camera lens of the first camera 112, and the annular light source is set in institute
On the camera lens for stating first camera 112.Setting annular light source to make up equipment leading portion positive and negative capture deficiency causes defect can not
The problem of detection, can make that the image of collection is clearer, and brightness is more uniform, defect is more with the abundant polishing of opposite side protective film
Add obvious.
In the above-described embodiments, the motion path of the first camera carrying movement module 111 is perpendicular to the first manipulator
12 motion path, for adjusting the spacing between two first cameras 112.
Wherein, the first camera carrying movement module 111 can be along perpendicular to the direction of 12 motion path of the first manipulator
Movement, then the first camera 112 that movement module 111 is carried installed in the first camera also can be along perpendicular to the first manipulator 12
The direction movement of motion path, so as to adjust the spacing between two first cameras 112.Such set-up mode,
On the one hand the spacing that can conveniently adjust between two first cameras 112 obtains suitable Image Acquisition distance；The opposing party
Face can cause the first side visual detection unit 1 to can be adapted for the liquid crystal module screen to be detected of more sizes, enhancing
The versatility of system.
In the above-described embodiments, as shown in figure 3, described two second image capture modules 21 are arranged symmetrically in described second
23 motion path both sides of manipulator；For any one second image capture module in described two second image capture modules 21
21, any one described second image capture module 21 includes second camera carrying movement module 211 and second camera 212, institute
Second camera 212 is stated on second camera carrying movement module 211, and second manipulator 23 passes through described two
During a second image capture module 21, second side described in the camera lens face of the second camera 212.Second Image Acquisition
Module 21 is used to gather the second side side image, and the side image of the second side collected is sent on described
Position machine.
Wherein, two second camera carrying movement modules 211 are arranged symmetrically in the movement of liquid crystal module screen to be detected
Path both sides, and two second cameras 212 are carried installed in the corresponding second camera after moving on module 211, when
When the liquid crystal module screen to be detected passes through the second camera 212, the second side described in the camera lens face of the second camera 212
The side on side.Such set-up mode is to enable two 212 synchronous acquisitions of second camera to two described second
The side image of side.Wherein, the second camera 212 uses line array CCD camera.
Specifically, annular light source can be set on the camera lens of the second camera 212, and the annular light source is set in institute
On the camera lens for stating second camera 212.Setting annular light source to make up equipment leading portion positive and negative capture deficiency causes defect can not
The problem of detection, can make that the image of collection is clearer, and brightness is more uniform, defect is more with the abundant polishing of opposite side protective film
Add obvious.
In the above-described embodiments, the motion path of the second camera carrying movement module 211 is perpendicular to the second manipulator
23 motion paths, for adjusting the spacing between two second cameras 212.
Wherein, the second camera carrying movement module 211 can be along perpendicular to the direction of 23 motion path of the second manipulator
Movement, then the second camera 212 that movement module 211 is carried installed in the second camera also can be along perpendicular to the second manipulator 12
The direction movement of motion path, so as to adjust the spacing between two second cameras 212.Such set-up mode,
On the one hand the spacing that can conveniently adjust between two second cameras 212 obtains suitable Image Acquisition distance；The opposing party
Face can cause the second side visual detection unit 2 to can be adapted for the liquid crystal module screen to be detected of more sizes, enhancing
The versatility of system.
In the above-described embodiments, the second side visual detection unit 2 further includes at least one thickness measure module 22,
The thickness measure module 22 includes displacement sensor carrying movement module 221 and two laser displacement sensors 222；It is described
Displacement sensor carrying movement module 221 is provided with outwardly extending both ends, and described two laser displacement sensors 222 are pacified respectively
Mounted in the both ends of institute's displacement sensors carrying movement module 221, two of module 221 are moved in institute's displacement sensors carrying
Top is arranged in the both sides up and down of 23 motion path of the second manipulator, and second manipulator 23 passes through the thickness
When spending measurement module 22, described two laser displacement sensors 222 distinguish up and down two of liquid crystal module screen to be detected described in faces
Side.The thickness measure module 22 is used for when the liquid crystal module screen to be detected moves to specific location, to described to be checked
Survey liquid crystal module screen and carry out thickness measure, and the thickness value measured is sent to the host computer.
In the above-described embodiments, the both ends of institute's displacement sensors carrying movement module 221 are symmetrical arranged.
Wherein, the multipair laser displacement sensor 222 is arranged symmetrically in above and below 23 motion path of the second manipulator
Both sides, and each pair laser displacement sensor 222 is symmetrical arranged.Such set-up mode so that each pair laser displacement sensor
222 kinds of two laser displacement sensors 222 position in measurement is more consistent, and light echo amount is more accurate, and Thickness sensitivity is more
Precisely.
Preferably, as shown in figure 3, the thickness measure module 22 includes two pairs by institute's displacement sensors carrying movement
The laser displacement sensor 222 that module 221 is installed, and a pair of laser displacement sensor 222 installed by fixing bracket.Three
Institute's displacement sensors 222 are arranged point-blank, and are located at by a pair of of laser sensor 222 that fixing bracket is installed
The centre position of two further pairs laser sensor 222.When carrying out thickness measure, the thickness measure module 22 is to each to be checked
Survey liquid crystal module screen and carry out thickness measure three times, that is, the thickness measure module obtains same liquid crystal mould to be detected every time
9 groups of thickness Value Datas of group screen.
In the above-described embodiments, the motion path of institute's displacement sensors carrying movement module is perpendicular to the described second machinery
The motion path of hand, for adjusting the position of the laser displacement sensor 222.
In the above-described embodiments, as shown in Figure 2 and Figure 3, feed mechanism is further included, is divided into the first feed mechanism and second and send
Into mechanism.
First feed mechanism includes the first driving motor 311, first straight line slide 312 and can be straight along described first
The first slide unit 313 that line slide 312 moves, first slide unit 313 is connected with first manipulator 12, for driving
The first manipulator 12 is stated to move along the first straight line slide 312.
Second feed mechanism includes the second driving motor 321, second straight line slide 322 and can be straight along described second
The second slide unit 323 that line slide 322 moves, second slide unit 323 is connected with second manipulator 23, for driving
The second manipulator 23 is stated to move along the second straight line slide.
In the above-described embodiments, further include PLC control modules, the PLC control modules respectively with the host computer, described
Driving mechanism 3, described first image acquisition module 11, second image capture module 21 and the thickness measure module 22
It is electrically connected；Command information for being sent according to the host computer controls the movement of the driving mechanism 3, and first figure
As the Image Acquisition of acquisition module 11 and second image capture module 21.
Specifically, after the PLC control modules receive the operating instruction of the host computer, to first feed mechanism
Operating instruction is sent, first feed mechanism is brought into operation.When the liquid crystal module screen to be detected reaches first figure
As acquisition module 11 acquisition range when, the PLC control modules to described first image acquisition module 11 send collection image
Signal makes described first image acquisition module 11 start to gather the side image of the first side by certain frequency.Treated when described
When detection liquid crystal module screen leaves the acquisition range of described first image acquisition module 11, the PLC control modules are interrupted to institute
State the first image capture module 11 and send collection picture signal.Regarded in the liquid crystal module screen to be detected into the second side
Feel when detection is received in detection unit 2, control of the PLC control modules to the second image capture module 21 with to described the
The control of one image capture module 11 is similar, and details are not described herein.In addition, in the second side visual detection unit
In, since specified position, liquid crystal module screen to be detected is transported to first thickness test position by second feed mechanism,
And digit pulse signal is sent to the PLC control modules, the PLC control modules are received after signal in place at once on described
Position machine sends thickness and reads signal, and after letter is completed in host computer feedback reading, PLC sends to module screen feed motion module transport again
Row instruction.Repeatedly above-mentioned control process, until the thickness measure of number needed for completing.Finally, the host computer is according to institute
State the first image capture module 11 transmission first side side image, and second image capture module 21 send
The side image of second side, is detected the side of the liquid crystal module screen to be detected, and according to the thickness measure mould
The thickness value that block 22 is sent is detected the thickness of the liquid crystal module screen to be detected, and exports testing result.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
- A kind of 1. liquid crystal module screen detecting system, it is characterised in that including：First side visual detection unit and second side Visual detection unit；The first side visual detection unit includes the first manipulator and two the first image capture modules；Described two first Image capture module is arranged in the first robot movement path both sides, and first manipulator is by described two During the first image capture module, liquid crystal to be detected on the first manipulator described in described two first image capture module difference faces The first side of module screen；The second side visual detection unit includes the second manipulator and two the second image capture modules；Described two second Image capture module is arranged in the both sides in the second robot movement path, and second manipulator passes through described two During a second image capture module, liquid to be detected on the second manipulator described in described two second image capture module difference faces Brilliant module screen second side.
- 2. system according to claim 1, it is characterised in that the second side visual detection unit further includes at least one Thickness measure module, the thickness measure module include displacement sensor carrying movement module and two laser displacement sensors； Institute's displacement sensors carrying movement module is provided with outwardly extending both ends, and described two laser displacement sensors are installed respectively At the both ends of institute's displacement sensors carrying movement module, the both ends of institute's displacement sensors carrying movement module are located at institute respectively The both sides up and down in the second robot movement path are stated, and when second manipulator passes through the thickness measure module, described two The two sides up and down of liquid crystal module screen to be detected described in a laser displacement sensor difference face.
- 3. system according to claim 1, it is characterised in that described two first image capture modules are arranged symmetrically in described First robot movement path both sides；For any one first Image Acquisition mould in described two first image capture modules Block, any one described first image capture module include first camera carrying movement module and first camera, first phase Machine is installed on first camera carrying movement module, and first manipulator passes through described two first Image Acquisition moulds During block, first side described in the camera lens face of the first camera.
- 4. system according to claim 3, it is characterised in that the motion path of the first camera carrying movement module is vertical In the motion path of first manipulator.
- 5. system according to claim 1, it is characterised in that described two second image capture modules are arranged symmetrically in described Second robot movement path both sides；For any one second Image Acquisition mould in described two second image capture modules Block, any one described second image capture module include second camera carrying movement module and second camera, second phase Machine is installed on second camera carrying movement module, and second manipulator passes through described two second Image Acquisition moulds During block, second side described in the camera lens face of the second camera.
- 6. system according to claim 5, it is characterised in that the motion path of the second camera carrying movement module is vertical In the motion path of second manipulator.
- 7. system according to claim 2, it is characterised in that the both ends of institute's displacement sensors carrying movement module are symmetrically set Put.
- 8. system according to claim 2, it is characterised in that the motion path of institute's displacement sensors carrying movement module hangs down Directly in the motion path of second manipulator.
- 9. system according to claim 2, it is characterised in that further include feed mechanism, be divided into the first feed mechanism and second Feed mechanism；First feed mechanism includes the first driving motor, first straight line slide and can be moved along the first straight line slide The first slide unit, first slide unit is connected with first manipulator；Second feed mechanism includes the second driving motor, second straight line slide and can be moved along the second straight line slide The second slide unit, second slide unit is connected with second manipulator.
- 10. system according to claim 9, it is characterised in that further include PLC control modules, the PLC control modules difference With the driving mechanism, described first image acquisition module, second image capture module and the thickness measure module It is electrically connected.
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|---|---|---|---|
| CN201720782386.5U CN207336980U (en) | 2017-06-30 | 2017-06-30 | Liquid crystal module screen detecting system |
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| CN201720782386.5U CN207336980U (en) | 2017-06-30 | 2017-06-30 | Liquid crystal module screen detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238955A (en) * | 2017-06-30 | 2017-10-10 | 北京兆维科技开发有限公司 | Liquid crystal module screen detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238955A (en) * | 2017-06-30 | 2017-10-10 | 北京兆维科技开发有限公司 | Liquid crystal module screen detecting system |
| CN107238955B (en) * | 2017-06-30 | 2023-12-29 | 北京兆维科技开发有限公司 | Liquid crystal module screen detection system |
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