CN104570411A - Multistation light-on AOI (automatic optical inspection) system - Google Patents
Multistation light-on AOI (automatic optical inspection) system Download PDFInfo
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- CN104570411A CN104570411A CN201310487891.3A CN201310487891A CN104570411A CN 104570411 A CN104570411 A CN 104570411A CN 201310487891 A CN201310487891 A CN 201310487891A CN 104570411 A CN104570411 A CN 104570411A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of automatic optical visual detection and image processing, in particular to a multistation light-on AOI (automatic optical inspection) system which comprises a light-on jig module, an image acquiring module and an image industrial control unit. The light-on jig module comprises an operating platform used for containing multiple to-be-detected liquid crystal display panels, the image acquiring module is arranged above the light-on jig module and used for getting images of light-on pictures of the to-be-detected liquid crystal display panels and sending the images to the industrial control unit, and the image industrial control unit is connected with the image acquiring module and used for analyzing the light-on pictures and acquiring defect detection results. By the multistation light-on AOI system, defect detection can be performed on the to-be-detected liquid crystal display panels at the same time, so that detection efficiency and detection speed of the light-on AOI system can be improved, time and manpower needed for defect detection are saved, automation level of the light-on AOI system is improved; the multistation light-on AOI system is especially suitable for modern liquid crystal display panel industry production.
Description
Technical field
The present invention relates to automated optical vision-based detection, technical field of image processing, be specifically related to a kind of multistation lighting AOI(Automatic Optic Inspection, automatic optics inspection) defect detecting system.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor-Liquid CrystalDisplay, TFT-LCD) owing to there is frame stabilization, image fidelity, elimination radiation, saving space and save the advantages such as energy consumption, be widely used in the electronic products such as TV, mobile phone, display, occupied the leading position in plane display field.
Display panels lighting AOI system is requisite important step in the management of the modern liquid crystal display panel quality of production.It is filling that lighting AOI system is mainly applicable to Cell() section and Module(module) the display panels lighting image quality of section detects, mainly in order to detect mura(inequality), particle(particulate) and foreign matter etc., thus the yield of improving product.But improving constantly along with Automation of Manufacturing Process degree, to the precision of liquid crystal panel quality testing and the requirement of speed more and more higher, high precision, high speed, the lighting AOI system that operation is simple and easy, applicability is strong become the main trend of modern liquid crystal panel Production requirement gradually.
Summary of the invention
(1) technical matters that will solve
The object of the present invention is to provide and a kind ofly operate simple and easy, that applicability is strong multistation lighting AOI system, thus promote detection efficiency and the detection speed of lighting AOI system further, save defects detection required time and manpower.
(2) technical scheme
Technical solution of the present invention is as follows:
A kind of multistation lighting AOI system, comprising:
Lighting jig module: comprise the operator's console for accommodating multiple display panels to be detected;
Image collection module: be arranged on above described lighting jig, for the lighting picture capture to described display panels to be detected, and is sent to image industry control unit;
Image industry control unit: be connected with described image collection module, for analyzing described lighting picture, obtains defects detection result.
Preferably, also comprise:
Transhipment module: for described display panels to be detected being transported to operator's console or described display panels to be detected being walked from operator's console transhipment.
Preferably, also comprise:
Control and the communication server: for showing testing result and managing, control testing process and realize communicating of described detection system inside.
Preferably, described lighting jig module comprises at least two operator's console; Each described operator's console at least can hold two display panels to be detected.
Preferably, described lighting jig inside modules is also provided with polishing unit, for providing radiation source for described display panels to be detected.
Preferably, described image collection module comprises:
For the camera unit taken described display panels to be detected;
For carrying the camera support unit of described camera unit;
And, for adjusting the camera adjustment unit of described camera unit present position.
Preferably, described transhipment module comprises:
Delivery unit, for transmitting described display panels to be detected and positioning described display panels to be detected and adjust;
Manipulator Transportation unit, for being carried to or moving away from described operator's console by described display panels to be detected.
Preferably, described manipulator unit comprises at least three co-operating mechanical arms.
Preferably, also comprise:
The printing device be connected with described control and the communication server.
Preferably, also comprise:
The UPS uninterrupted power source be connected with described image industry control unit and control and the communication server respectively.
(3) beneficial effect
The multistation lighting AOI system that the embodiment of the present invention provides, mainly comprise lighting jig module, image collection module and image industry control unit, lighting jig module comprises the operator's console for accommodating multiple display panels to be detected, compared with traditional lighting AOI system, defects detection can be carried out to multiple display panels to be detected by single simultaneously, therefore detection efficiency and the detection speed of lighting AOI system can be promoted, save defects detection required time and manpower, improve the automaticity of lighting AOI system, be specially adapted to the needs that modern liquid crystal display panel industry is produced.
Accompanying drawing explanation
Fig. 1 is the structural representation of multistation lighting AOI system in the embodiment of the present invention.
In figure: 1: Manipulator Transportation unit; 2: image collection module; 3: lighting jig module; 4: polishing unit; 5: image industry control unit; 6: control and the communication server; 7:UPS uninterrupted power source; 8: printing device.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described further.Following examples only for illustration of the present invention, but are not used for limiting the scope of the invention.
Provide a kind of integrated automatic operation in the present embodiment, without the need to manual intervention in testing process, automatically complete AOI defects detection and detection efficiency and detection speed multistation lighting faster AOI system.This multistation lighting AOI system mainly comprises:
Lighting jig module: comprise multiple operator's console for accommodating display panels to be detected;
Image collection module: be arranged on above described lighting jig, for the lighting picture capture to described display panels to be detected, and is sent to image industry control unit;
Image industry control unit: be connected with described image collection module, for analyzing described lighting picture, obtains defects detection result.
Compared with traditional lighting AOI system, the lighting AOI system provided in the present embodiment can carry out defects detection to multiple display panels to be detected by single simultaneously, therefore detection efficiency and the detection speed of lighting AOI system can be promoted, save defects detection required time and manpower, improve technological level and the efficiency of liquid crystal panel quality testing, be specially adapted to the needs that modern liquid crystal display panel industry is produced.Below in conjunction with Fig. 1, the multistation lighting AOI system in the present embodiment is further detailed.
As shown in fig. 1, the multistation lighting AOI system provided in the present embodiment also comprises transhipment module, control and the communication server 6 etc.; Wherein, transhipment module is used for display panels to be detected being transported to operator's console or being walked from operator's console transhipment by display panels to be detected, control and the communication server 6 for showing testing result and management, controlling testing process and to realize communicating of detection system inside.
Above-mentioned lighting jig module 3 comprises at least two operator's console; Each operator's console at least can hold two display panels to be detected, and namely lighting AOI system can realize detection at least four display panels by single; Further, the fixture of each operator's console possesses detachable and changes function, and namely lighting AOI system at least can realize carrying out four station defects detection to a kind of display panels of size.
In the present embodiment, lighting jig module 3 inside is also provided with polishing unit 4, for irradiating the display panels to be detected be placed on operator's console, being display panels to be detected and providing radiation source.
Lighting jig module 3 and polishing unit 4 wherein, for following image collection module 2 provides view data source.
In the present embodiment, image collection module 2 comprises: camera unit, camera support unit and adjustment unit; Camera unit is used for taking display panels to be detected, and the display panels that the camera that camera unit configures at least can realize a kind of size detects; Camera support unit is for carrying camera unit; Adjustment unit is arranged on camera support unit, for adjusting camera unit present position, can realize the adjustment of camera unit upright position and various dimensions angle.
Image industry control unit 5 is connected with image collection module 2, for analyzing described lighting picture, obtains defects detection result.Image industry control unit 5 is one of core of lighting AOI system, first it carry out pre-service to the image information that image collection module 2 inputs, remove noise and interference, and from image, isolate " lofty " point or region, this " lofty " point or region are just defect point or region, demarcate afterwards and recording defect point or region, and according to algorithmic rule, kind judging is carried out to defect point or region; Meanwhile, defect information is transferred to control and the communication server 6 based on industry ethernet, by control and the communication server 6 pairs of defective datas manage and show in real time.
Further, above-mentioned transhipment module comprises delivery unit and Manipulator Transportation unit 1; Delivery unit is used in defect inspection process, transmit display panels to be detected and operation and adjustment operation are positioned to display panels to be detected, such as display panels carries the initial alignment after entering lighting AOI system by Manipulator Transportation unit 1, the orientation of location display panels and carry out depth of parallelism adjustment etc., ensures that Manipulator Transportation unit 1 is carried display panels and met lighting requirement to film releasing orientation during operator's console in lighting jig module 3 and the depth of parallelism.Manipulator Transportation unit 1, for described display panels to be detected is carried to or moves away from described operator's console, in the present embodiment, manipulator unit comprises at least three co-operating mechanical arms, be respectively used to carrying display panels to each position, as initial positioning table, operator's console, and for display panels is moved away from operator's console.
Manipulator Transportation unit 1 and delivery unit cooperative cooperating, complete the transfer operation in defects of liquid crystal display panel testing process, such as: liquid crystal display panel system input, output carrying and process carrying etc., ensure in systems axiol-ogy process, without the need to manual intervention, fully-automated synthesis.
Control and the communication server 6, receive the image analysis result that image industry control unit 5 transmits, carry out showing to testing result and manage, testing process is monitored, realizing data and the signal and communication of whole system simultaneously based on Ethernet.Control and the communication server 6 are the CCC of lighting AOI system, and the functional module possessed comprises technological process, testing process and testing result control module, AOI defects detection parameter setting module, system hardware equipment operation condition monitoring module, signal control module, TCP/IP industry ethernet communication module.Wherein, detected parameters arranges the accuracy of detection requirement etc. that module arranges relevant production task for client according to practical application, need meet; Technological process, testing process and testing result control module mainly realize the control to delivery unit, Manipulator Transportation flow process and AOI defect inspection process, and the management etc. of AOI defects detection result; Signal control module, control inputs outputs signal, and the mainly input/output signal of motion control card, comprises the switching of lighting jig module lighting picture, mechanical arm command signal etc.
Further, the lighting AOI system in the present embodiment also comprises printing device 8; Printing device 8 is connected, for realizing the functions such as report printing with control and the communication server 6.
In addition, the lighting AOI system in the present embodiment also comprises respectively with image industry control unit 5 with controls and UPS uninterrupted power source 7 that the communication server 6 is connected, the problems such as the system data that can not cause under ensureing unexpected powering-off state loss or other exceptions.Such as, be equipped with a set of UPS uninterrupted power source 7, to ensure that lighting AOI system can work alone when outside power fail more than 30min.
In actual applications, the lighting AOI system in the present embodiment and LCD board assembly line line can be run.In actual defects testing process, by Manipulator Transportation unit 1, display panels is transported on delivery unit; Display panels is transferred to initial alignment platform by delivery unit, adjusts the orientation of display panels and the depth of parallelism; Again by Manipulator Transportation unit 1, the display panels after initial alignment is carried in display panels lighting jig module 3, complete the pressing of display panels by display panels lighting jig module 3 and lighting operates, completed the capture of display panels lighting picture by image collection module 2; Wherein, polishing unit 4 provides illumination for display panels lighting jig module 3; Carry out quality analysis by the image of image industry control unit 5 to input, and result is transferred to control and the communication server 6; By to control and the communication server 6 completes data management and other operate.The multistation lighting AOI system provided in the present embodiment, may be used for the display panels lighting defect detecting Cell section and Module section, comprises the electric information defects such as point, line, the non-electrical class defects such as Mura, and the surface imperfection such as impression, scuffing; And integrated operation, namely completes film releasing, compressing tablet, the lighting of display panels by mechanical arm and gets sheet, send sheet to operate, having the functions such as image display, flaw labeling, quality analysis and report printing simultaneously; Domestic like product is better than in characterization processes, accuracy of detection and automatization level.
To sum up, the multistation lighting AOI system provided in the present embodiment mainly can realize:
1, Cell section and the quality testing of Module section display panels four work station point lamp is applied to, and by control and the operation of Control and coordination whole lighting AOI system unified by the communication server, namely various function and one is collected, unified control and management, handled easily and monitoring.
2, Optimum Design technological design, improves Product checking ability, compared with the lighting AOI system in conventional art, possesses the advantage of more than at least three times in detection efficiency.
3, Robot actions technical flow design technology, collaborative work between designed 3 mechanical arms, operates accurate, smooth, and stable.
4, designed delivery unit, comprises display panels initial positioning mechanism, before display panels is placed into operator's console, carries out initial alignment to display panels, ensures the lighting accuracy rate of display panels in operator's console.
5, multistation operator's console design, be independent of each other between station between two, namely detect in units of two stations, when the first two station or latter two station are had vacant position, mechanical arm is carried display panels in time and is filled, and ensure that the maximum utilization ratio of station in defect inspection process.
6, different detected parameters be set and detect rank, ensureing the quality testing demand meeting different production task.
7, uninterruptible power system is equipped with, the system that can ensure more than continuous firing 30min when outside power fail.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to protection category of the present invention.
Claims (10)
1. a multistation lighting AOI system, is characterized in that, comprising:
Lighting jig module: comprise the operator's console for accommodating multiple display panels to be detected;
Image collection module: be arranged on above described lighting jig, for the lighting picture capture to described display panels to be detected, and is sent to image industry control unit;
Image industry control unit: be connected with described image collection module, for analyzing described lighting picture, obtains defects detection result.
2. multistation lighting AOI system according to claim 1, is characterized in that, also comprise:
Transhipment module: for described display panels to be detected being transported to operator's console or described display panels to be detected being walked from operator's console transhipment.
3. multistation lighting AOI system according to claim 1 and 2, is characterized in that, also comprise:
Control and the communication server: for showing testing result and managing, control testing process and realize communicating of described detection system inside.
4. multistation lighting AOI system according to claim 3, it is characterized in that, described lighting jig module comprises at least two operator's console; Each described operator's console at least can hold two display panels to be detected.
5. multistation lighting AOI system according to claim 4, it is characterized in that, described lighting jig inside modules is also provided with polishing unit, for providing radiation source for described display panels to be detected.
6. the multistation lighting AOI system according to claim 1-2 or 4-5 any one, it is characterized in that, described image collection module comprises:
For the camera unit taken described display panels to be detected;
For carrying the camera support unit of described camera unit;
And, for adjusting the camera adjustment unit of described camera unit present position.
7. the multistation lighting AOI system according to claim 2 or 4-5 any one, it is characterized in that, described transhipment module comprises:
Delivery unit, for transmitting described display panels to be detected and positioning described display panels to be detected and adjust;
Manipulator Transportation unit, for being carried to or moving away from described operator's console by described display panels to be detected.
8. multistation lighting AOI system according to claim 7, it is characterized in that, described manipulator unit comprises at least three co-operating mechanical arms.
9. multistation lighting AOI system according to claim 3, is characterized in that, also comprise:
The printing device be connected with described control and the communication server.
10. multistation lighting AOI system according to claim 9, is characterized in that, also comprise:
The UPS uninterrupted power source be connected with described image industry control unit and control and the communication server respectively.
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| CN201310487891.3A CN104570411B (en) | 2013-10-17 | 2013-10-17 | Multistation lighting AOI system |
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| CN201310487891.3A CN104570411B (en) | 2013-10-17 | 2013-10-17 | Multistation lighting AOI system |
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Cited By (13)
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| CN105158264A (en) * | 2015-09-11 | 2015-12-16 | 苏州威盛视信息科技有限公司 | Automatic optical detection device with universal touch panel |
| CN105204200A (en) * | 2015-10-20 | 2015-12-30 | 北京兆维电子(集团)有限责任公司 | LCD lighting defect detecting system and method |
| CN105259684A (en) * | 2015-11-20 | 2016-01-20 | 武汉精测电子技术股份有限公司 | Double-station offline detecting system and method of liquid crystal panel |
| CN105511123A (en) * | 2015-11-27 | 2016-04-20 | 武汉精测电子技术股份有限公司 | High-precision automatic optical inspection system and method based on mechanical arm |
| CN106569352A (en) * | 2015-10-13 | 2017-04-19 | 北京兆维电子(集团)有限责任公司 | Device and method for acquiring testing image of liquid crystal screen |
| CN107920207A (en) * | 2017-12-15 | 2018-04-17 | 武汉精测电子集团股份有限公司 | The image delivering system and method for AOI system are improved based on PPC softwares |
| CN107979649A (en) * | 2017-12-15 | 2018-05-01 | 武汉精测电子集团股份有限公司 | The more wire body multistation system and methods of AOI based on Inline servers |
| CN108594484A (en) * | 2018-04-19 | 2018-09-28 | 武汉精测电子集团股份有限公司 | Panel detection and reparation integral system |
| CN108646679A (en) * | 2018-05-09 | 2018-10-12 | 歌尔股份有限公司 | Distributed vision detecting system and industrial personal computer |
| CN109283473A (en) * | 2018-08-20 | 2019-01-29 | 浙江凯耀照明股份有限公司 | A kind of long point service life method for tracing and system |
| CN112285957A (en) * | 2020-10-30 | 2021-01-29 | 苏州精濑光电有限公司 | Display panel detection device |
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| CN114199523A (en) * | 2021-12-09 | 2022-03-18 | 苏州华星光电技术有限公司 | Lighting jig and multi-station lighting system |
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| CN105158264A (en) * | 2015-09-11 | 2015-12-16 | 苏州威盛视信息科技有限公司 | Automatic optical detection device with universal touch panel |
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| CN105511123B (en) * | 2015-11-27 | 2018-12-14 | 武汉精测电子集团股份有限公司 | A kind of High Precision Automatic Systems for optical inspection and method based on mechanical arm |
| CN105511123A (en) * | 2015-11-27 | 2016-04-20 | 武汉精测电子技术股份有限公司 | High-precision automatic optical inspection system and method based on mechanical arm |
| WO2017088469A1 (en) * | 2015-11-27 | 2017-06-01 | 武汉精测电子技术股份有限公司 | High-precision automatic optical detection system and method based on mechanical arm |
| CN107920207B (en) * | 2017-12-15 | 2020-04-03 | 武汉精测电子集团股份有限公司 | Image transmission system and method based on PPC software improved AOI system |
| CN107979649A (en) * | 2017-12-15 | 2018-05-01 | 武汉精测电子集团股份有限公司 | The more wire body multistation system and methods of AOI based on Inline servers |
| CN107920207A (en) * | 2017-12-15 | 2018-04-17 | 武汉精测电子集团股份有限公司 | The image delivering system and method for AOI system are improved based on PPC softwares |
| CN108594484A (en) * | 2018-04-19 | 2018-09-28 | 武汉精测电子集团股份有限公司 | Panel detection and reparation integral system |
| CN108594484B (en) * | 2018-04-19 | 2022-11-11 | 武汉精测电子集团股份有限公司 | Panel detection and repair integrated system |
| CN108646679B (en) * | 2018-05-09 | 2019-12-17 | 歌尔股份有限公司 | distributed visual detection system and industrial personal computer |
| CN108646679A (en) * | 2018-05-09 | 2018-10-12 | 歌尔股份有限公司 | Distributed vision detecting system and industrial personal computer |
| CN109283473A (en) * | 2018-08-20 | 2019-01-29 | 浙江凯耀照明股份有限公司 | A kind of long point service life method for tracing and system |
| CN112285957A (en) * | 2020-10-30 | 2021-01-29 | 苏州精濑光电有限公司 | Display panel detection device |
| CN114113054A (en) * | 2021-10-29 | 2022-03-01 | 合肥维信诺科技有限公司 | Stamp test analysis device and stamp test analysis method |
| CN114113054B (en) * | 2021-10-29 | 2024-05-07 | 合肥维信诺科技有限公司 | Stamping test analysis device and stamping test analysis method |
| CN114199523A (en) * | 2021-12-09 | 2022-03-18 | 苏州华星光电技术有限公司 | Lighting jig and multi-station lighting system |
| WO2023103011A1 (en) * | 2021-12-09 | 2023-06-15 | 苏州华星光电技术有限公司 | Light-on fixture and multi-station light-on system |
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