CN105259684B - A kind of double-station liquid crystal display panel off-line checking system and method - Google Patents
A kind of double-station liquid crystal display panel off-line checking system and method Download PDFInfo
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- CN105259684B CN105259684B CN201510814780.8A CN201510814780A CN105259684B CN 105259684 B CN105259684 B CN 105259684B CN 201510814780 A CN201510814780 A CN 201510814780A CN 105259684 B CN105259684 B CN 105259684B
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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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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to automated optical liquid crystal display panel detection technique fields, more particularly to a kind of double-station liquid crystal display panel off-line checking system and method, including image capture module, defects detection module and main control module, and first moving cell and the second moving cell, first moving cell includes the first movable device, first picture signal generator and motor, second moving cell includes the second movable device, second picture signal generator and motor, first movable device and the second movable device are respectively arranged on two closed slides, motor is fixed on guide rail both ends, first movable device and the second movable device can make horizontal reciprocating movement under the control of motor along guide rail, and when a moving cell is in detection station, another moving cell is in waiting station.Using offline double-station, a moving cell waits for be shielded on operator, another moving cell carries out automatic detection process, display, rationally makes overall planning the time, improves equipment productivity.
Description
Technical field
The present invention relates to automated optical liquid crystal display panel detection technique fields, and in particular to a kind of double-station liquid crystal display panel is offline
Detecting system and method.
Background technology
Now, liquid crystal display panel is widely used in electronic product display field, and the manufacture yield of product, is liquid crystal display
The basis that manufacturer depends on for existence in nowadays keen competition environment.In all links that it is manufactured, quality testing
It is the important link for ensureing liquid crystal display panel product quality, puts screen by hand in traditional producing line and cut figure, naked eyes search the detection side of defect
Formula excessively relies on the subjectivity of worker, has the characteristics that flase drop, omission factor are high, with the continuous development application of automated optical technology,
Automatic optical detecting system based on image procossing comes into being.It makes the detection of liquid crystal display panel not have to rely on manpower again, carries
High detection efficiency and detection speed.But since general automatic optical detecting system belongs to single thread work, efficiency is still
Lowly.
Invention content
In order to solve the above technical problems, the present invention provides a kind of efficient double-station liquid crystal display panel off-line checking systems
And method.
A kind of double-station liquid crystal display panel off-line checking system of the present invention, technical solution are：Including image capture module, lack
Detection module and main control module are fallen into, further includes the first moving cell and the second moving cell, first moving cell includes the
One movable device, the first picture signal generator and motor, second moving cell include the second movable device, the second image
Signal generator and motor, first movable device and the second movable device are respectively arranged on two closed slides, described
Motor is fixed on guide rail both ends, and first movable device and the second movable device can be made horizontal under the control of motor along guide rail
It moves back and forth, and when a moving cell is in detection station, another moving cell is in waiting station.
Further, described image acquisition module includes camera, and the camera is used to shoot liquid crystal display panel image to be detected,
And captured image is sent to defects detection module and is handled；
The defects detection module be used for receive image capture module transmission picture, to picture carry out image preprocessing,
Defects detection, defect recognition operation, and the result handled is sent to client terminal display output；
The main control module is for controlling the first moving cell, the second moving cell, image capture module, defects detection mould
The operation of block, and realize that the first moving cell, the second moving cell, image capture module, defects detection module and upper layer are soft
The communication of part.
Further, further include client terminal, the client terminal for receive defects detection resume module it is complete as a result,
And the defect coordinate that detected, defect type and relevant information are marked.
Further, first moving cell includes the first movable device, the first picture signal generator and motor, institute
It includes the second movable device, the second picture signal generator and motor, first movable device and the to state the second moving cell
Two movable devices are respectively arranged on two closed slides, and the motor is fixed on guide rail both ends, first movable device and
Second movable device can make horizontal reciprocating movement under the control of motor along guide rail, and when a moving cell is in detection station
When, another moving cell is in waiting station.
Further, first moving cell further includes cylinder, and the cylinder is located at the first movable device bottom, can be incited somebody to action
First movable device jacks up to liquid crystal display panel to be detected detection height residing when being detected, and liquid crystal to be detected is shot for camera
Panel picture.
Further, the height of second movable device is that detection residing when liquid crystal display panel to be detected is detected is high
Degree.
A kind of offline liquid crystal panel detecting method of double-station of the present invention, technical solution are：Master control module controls first are transported
Moving cell and the second moving cell cyclic switching station clap the liquid crystal display panel to be detected in detection station using camera
It takes the photograph, shooting gained picture, which is sent to defects detection module, carries out image preprocessing, defects detection, defect recognition operation, and will
The result handled is sent to client terminal display output, realizes the detection of double-station real-time circulation.
Further, first moving cell and the second moving cell cyclic switching station process are as follows：
When dbjective state be the first moving cell be in detection station, when the second moving cell is in waiting station, motor
Drive the first movable device along guide rail horizontal movement to detection station, the second movable device of driving is along guide rail horizontal movement to waiting
Station；
After the completion of liquid crystal display panel to be detected detection on first moving cell, motor drives the first movable device along guide rail water
Flat to move to waiting station, the second movable device of driving continues along guide rail horizontal movement to detection station to the second moving cell
On liquid crystal display panel to be detected be detected, repeatedly, then the detection of double-station real-time circulation can be achieved.
Further, first moving cell and when the second moving cell cyclic switching station, passes through cylinder control first
It makes the first movable device and drops to cylinder low side, then control motor and drive the first movable device and the second movable device along guide rail
Movement, after two movable devices reach target position position, cylinder again jacks up the first movable device, to complete Switch of working position.
Beneficial effects of the present invention：Using offline double-station, a moving cell waits for be shielded on operator, another movement
Unit carries out automatic detection process, display, rationally makes overall planning the time, improves equipment productivity.It is controlled using software systems, it is real
Existing full automatic point screen cuts figure, captures image and algorithm process detection, and mark defective locations and relevant information defect analysis, defect
Detection speed is fast, precision is high, automation, contactless, practicability is high.
Description of the drawings
Fig. 1 is module connection figure of the present invention；
Fig. 2 is that the first moving cell is in detection station, and the second moving cell is in the connection diagram of waiting station；
Fig. 3 is that the first moving cell is in waiting station, and the second moving cell is in the connection diagram of detection station；
Fig. 4 is control flow chart of the present invention；
In figure：1-motion-control module, 2-image capture modules, 3-defects detection modules, 4-main control modules, 5-
Client terminal.
Specific implementation mode
The invention will be further described with example below in conjunction with the accompanying drawings, it is clear that the example is only one of the present invention
Point example, rather than whole examples, so the example should not be construed as limiting the invention.
As shown in Figure 1, the present invention includes motion-control module 1, image capture module 2, defects detection module 3, master control mould
Block 4 and client terminal 5.Motion-control module 1 includes the first moving cell and the second moving cell, the first moving cell and second
Moving cell for carrying liquid crystal display panel to be detected, two moving cells can under the control of main control module 4 cyclic switching station,
Realize the detection of double-station real-time circulation.Main control module 4 is for controlled motion control module 1, image capture module 2, defects detection
The operation of module 3, and realize that motion-control module 1, image capture module 2, defects detection module 3 are logical with client terminal 5
Letter.
As shown in Figures 2 and 3, the first moving cell includes the first movable device, the first picture signal generator and motor, the
Two moving cells include the second movable device, the second picture signal generator, cylinder and motor.First movable device and second is lived
Motivation structure is respectively arranged on two closed slides, and motor is fixed on guide rail both ends, the first movable device and the second movable device
It can make horizontal reciprocating movement along guide rail under the control of motor.Wherein, the first movable device is small mechanism, and the second movable device is
Great institutions design the height residing for its product to be measured for the movement locus route to simplify the internal structure of an organization as possible for the second movable device
Degree is exactly the operating distance of camera, only needs the back and forth movement of horizontal direction in this way；For the first movable device, it is set to
The structure that can be passed through out of second movable device, the movement in addition to being controlled its horizontal direction using motor, is also controlled by cylinder
It ensures the height that product (1U in 2 and Fig. 3 in figure) is in when detection, the operating distance with camera in the movement of vertical direction
Unanimously, i.e., when jacking up the first movable device, liquid crystal display panel to be detected is in detection height.
It is illustrated in figure 4 the work flow diagram of the present invention：
When work, start software first, user inputs account and logs in, and system initialization, background program connects camera, image
Signal generator (pattern generator abbreviations PG), initialization motor simultaneously configure its parameter, and then client terminal 5 is soft
Part operation interface pops up, and shows that each hardware connection status, system program start monitoring and start, reset, scram button, safety
Door, infrared detection, the peripheral hardwares such as cylinder end, top sensor wait for user to be detected operation.
Message box is got on the interface message column of runs software for the first time, client terminal 5, prompts user to carry out reset operation, just
The origin of two moving cells of beginningization makes the first moving cell be in detection station, i.e. the first movable device resets to the positions b
(diamond shape b), the second moving cell are in waiting station, i.e. the second movable device resets to position a (diamond shape a).
Start key is pressed, (i.e. the first moving cell is in detection station to station one, and the second moving cell, which is in, waits for work
Position) start to execute.Cylinder, which declines, reaches bottom end, after main control module 4 detects the signal that cylinder end sensor is sent, control electricity
Motor-driven work, motor drive two movable devices to run to respective detection target location, when the first movable device in-position b,
Cylinder is begun to ramp up, and after outreaching, main control module 4 runs a key testing process, starts to detect, and the second movable device reaches position
After setting a, the upper liquid crystal display panel to be detected of operator is waited for.In detection process, main control module 4 controls the first picture signal generator point
Bright backlight module, since defect usually only could be visible in its corresponding picture, if bright spot is in black picture, light, concealed wire leads to
Chang Yaodian grey menus, dim spot is usually in white, a kind of RGB (color mode) pure color picture etc., it is therefore desirable to PG cyclic switchings
Picture, while phase library functions being called to carry out the crawl of picture, after obtaining picture, send it to the progress of defect processing module 3
Processing.
The hardware of defect processing module 3 is made of a server, in detection process, runs software system, and main control module 4
It is then directed to picture/mb-type, different Processing Algorithms is called from image procossing library, carries out corresponding image preprocessing, defect inspection
It surveys, defect recognition operation, the complete all pictures sent from camera of parallel processing, and the result of detection is sent to client's end
End 5.
Client terminal 5 shows testing result, and will be by the defect coordinate that detected, defect type (including liquid crystal display panel
On point, line, mura the defects of, caused by mura, that is, liquid crystal panel lightness is uneven the phenomenon that various traces) and relevant information
It marks.User is waited for confirm as a result, switching station.
User confirms that the first moving cell carries out Switch of working position with second unit as a result, after switching station, and station two starts
It executes (i.e. the first moving cell is in waiting station, and the second moving cell is in detection station).Cylinder and motor and station one
Identical action executes, and the first movable device of driving moves to position a, and the second movable device moves to position b, waits for next round
Detection is shielded on operator.
Main control module 4 controls the first moving cell and the second moving cell cyclic switching between station one and station two, from
And realize double-station cycle detection.
The above description is merely a specific embodiment, it is noted that any technical person familiar with the field exists
Disclosed herein technical scope in, the change or replacement that can be readily occurred in, should all cover protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of double-station liquid crystal display panel off-line checking system, including image capture module, defects detection module and main control module,
It is characterized in that：Further include the first moving cell and the second moving cell, first moving cell include the first movable device,
First picture signal generator and motor, second moving cell include the second movable device, the second picture signal generator
And motor, first movable device and the second movable device are respectively arranged on two closed slides, two parallel conductives
Rail is arranged one on the other, and the motor is fixed on guide rail both ends, and first movable device and the second movable device are in motor
It can make horizontal reciprocating movement along guide rail under control, first movable device can be under the driving of motor out of second movable device
It passes through, and when a moving cell is in detection station, another moving cell is in waiting station；
Described first image signal generator and the second picture signal generator are for lighting module, and cyclic switching picture.
2. double-station liquid crystal display panel off-line checking system as described in claim 1, it is characterised in that：Described image acquisition module packet
Camera is included, captured image is sent to defects detection module by the camera for shooting liquid crystal display panel image to be detected
It is handled；
The defects detection module is used to receive the picture of image capture module transmission, and image preprocessing, defect are carried out to picture
Detection, defect recognition operation, and the result handled is sent to client terminal display output；
The main control module is used to control the first moving cell, the second moving cell, image capture module, defects detection module
Operation, and realize the first moving cell, the second moving cell, image capture module, defects detection module and upper layer software (applications)
Communication.
3. double-station liquid crystal display panel off-line checking system as described in claim 1, it is characterised in that：Further include client terminal, institute
State client terminal for receive defects detection resume module it is complete as a result, and by the defect coordinate that detected, defect type and
Relevant information marks.
4. double-station liquid crystal display panel off-line checking system as described in claim 1, it is characterised in that：First moving cell is also
Including cylinder, the cylinder is located at the first movable device bottom, the first movable device can be jacked up to liquid crystal display panel to be detected into
Residing detection height when row detection, liquid crystal display panel picture to be detected is shot for camera.
5. double-station liquid crystal display panel off-line checking system as described in claim 1, it is characterised in that：Second movable device
Height detection height residing when being detected for liquid crystal display panel to be detected.
6. a kind of side being detected using the double-station liquid crystal display panel off-line checking system as described in claim 1-5 any one
Method, it is characterised in that：The first moving cell of master control module controls and the second moving cell cyclic switching station, utilize picture signal
Generator lights module and cyclic switching changes face, is shot to the liquid crystal display panel to be detected in detection station using camera,
Shooting gained picture is sent to defects detection module and carries out image preprocessing, defects detection, defect recognition operation, and will processing
Complete result is sent to client terminal display output, realizes the detection of double-station real-time circulation.
7. the offline liquid crystal panel detecting method of double-station as claimed in claim 6, which is characterized in that first moving cell with
Second moving cell cyclic switching station process is as follows：
When dbjective state is that the first moving cell is in detection station, when the second moving cell is in waiting station, motor drives
First movable device is along guide rail horizontal movement to detection station, and the second movable device of driving is along guide rail horizontal movement to waiting for work
Position；
After the completion of liquid crystal display panel to be detected detection on first moving cell, motor drives the first movable device to be transported along guide rail level
It moves to waiting station, the second movable device of driving continues along guide rail horizontal movement to detection station on the second moving cell
Liquid crystal display panel to be detected is detected, and repeatedly, then double-station real-time circulation detection can be achieved.
8. the offline liquid crystal panel detecting method of double-station as claimed in claims 6 or 7, it is characterised in that：First movement is single
When member is with the second moving cell cyclic switching station, the first movable device is controlled by cylinder first and drops to cylinder low side, so
Control motor drives the first movable device and the second movable device to move along the rail afterwards, and two movable devices reach target position position
Afterwards, cylinder again jacks up the first movable device, to complete Switch of working position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814780.8A CN105259684B (en) | 2015-11-20 | 2015-11-20 | A kind of double-station liquid crystal display panel off-line checking system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814780.8A CN105259684B (en) | 2015-11-20 | 2015-11-20 | A kind of double-station liquid crystal display panel off-line checking system and method |
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| CN105259684A CN105259684A (en) | 2016-01-20 |
| CN105259684B true CN105259684B (en) | 2018-10-19 |
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| CN105730993B (en) * | 2016-02-02 | 2017-11-07 | 武汉精测电子技术股份有限公司 | The automatic censorship mechanism of double based on small-medium size liquid crystal panel |
| CN106338980B (en) * | 2016-08-03 | 2019-02-22 | 岳周丰 | A kind of Intelligent station condition checkout gear |
| CN106646935B (en) * | 2016-09-26 | 2023-10-27 | 合肥京东方光电科技有限公司 | Display non-uniformity defect display device, method and detection equipment |
| CN107389307A (en) * | 2016-12-31 | 2017-11-24 | 深圳眼千里科技有限公司 | Screen automatic detecting machine |
| CN107765463B (en) * | 2017-10-13 | 2020-08-25 | 上海友衷科技有限公司 | Detection method for liquid crystal screen of instrument panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120107378A (en) * | 2011-03-21 | 2012-10-02 | 엘지디스플레이 주식회사 | Apparatus for testing display panel |
| CN102866167A (en) * | 2012-10-19 | 2013-01-09 | 深圳市劲拓自动化设备股份有限公司 | Offline detecting system and method of circuit board |
| CN104570411B (en) * | 2013-10-17 | 2018-02-16 | 北京兆维电子(集团)有限责任公司 | Multistation lighting AOI system |
| CN204479864U (en) * | 2014-12-25 | 2015-07-15 | 昆山精讯电子技术有限公司 | A kind of automatic optical detector structure of liquid crystal module |
| CN204731344U (en) * | 2015-07-09 | 2015-10-28 | 成都天奥测控技术有限公司 | LCDs defect automatic checkout system display screen moving parts |
| CN104950492B (en) * | 2015-07-09 | 2019-01-18 | 成都天奥测控技术有限公司 | Liquid crystal display defect automatic checkout system |
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Address after: 430070 Hubei Province, Wuhan city Hongshan District Road No. 48 bookstore (North Industrial Park) 1 building 11 layer Applicant after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hongshan entrepreneurship center, No. 53, Nanhu Avenue, Hongshan District, Wuhan, Hubei Province, 4 Applicant before: Wuhan Jingce Electronic Technology Co., Ltd. |
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