CN209265985U - A kind of display panel detection system - Google Patents
A kind of display panel detection system Download PDFInfo
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- CN209265985U CN209265985U CN201821767842.XU CN201821767842U CN209265985U CN 209265985 U CN209265985 U CN 209265985U CN 201821767842 U CN201821767842 U CN 201821767842U CN 209265985 U CN209265985 U CN 209265985U
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Abstract
The utility model embodiment discloses a kind of display panel detection system.The display panel detection system includes: three-dimensional moving device, image collecting device and processor；The three-dimensional moving device is used to adjust the relative position of described image acquisition device Yu multiple display panels to be measured, and described image acquisition device is used to successively obtain the display image of multiple display panels to be measured；The processor is connect with described image acquisition device, the display image of the display panel to be measured for receiving the acquisition of described image acquisition device, and determines whether the display panel to be measured shows exception according to the display image.The scheme of the utility model embodiment improves the accuracy that display panel detects in high-temperature circulation test.
Description
Technical field
The utility model embodiment is related to detection technique more particularly to a kind of display panel detection system.
Background technique
The degradation of display panel is to imitate whether display panel will appear display under difficult environmental conditions for a long time
Abnormal process, degradation are essential ranks before the important guarantee and product export that display panel reliability detects
Section.In the prior art when carrying out ageing management, display panel is placed in aging equipment, in the case where display panel is lighted
It is detected, with decision problem defect.
During carrying out high-temperature circulation test, producers will periodically patrol outside high temperature ageing equipment display panel
Inspection looks into display state of the display panel in aging equipment.However, due to producers outside high temperature ageing equipment (about
Outside 100cm) the display state of display panel is directly observed by the naked eye, therefore all bad points cannot accurately be sentenced
It is fixed, and failure problems only pass through and manually statistically analyze, and are easy to appear error, cause detection accuracy low.
Therefore, in view of problem above, it is necessary to propose a kind of novel detection system, with solve personnel's operation it is all not
Certainty greatly improves the accuracy and data statistic analysis accuracy of detection.
Utility model content
The utility model provides a kind of display panel detection system, to improve the detection of display panel in high-temperature circulation test
Accuracy.
In a first aspect, the utility model embodiment provides a kind of display panel detection system, which includes:
Three-dimensional moving device, image collecting device and processor；
The three-dimensional moving device is used to adjust the relative position of described image acquisition device Yu multiple display panels to be measured；
Described image acquisition device is used to successively obtain the display image of multiple display panels to be measured；
The processor is connect with described image acquisition device, for receiving the to be measured aobvious of described image acquisition device acquisition
Show the display image of panel, and determines whether the display panel to be measured shows exception according to the display image.
Optionally, the three-dimensional moving device is moved for controlling described image acquisition device along first direction, to adjust
Described image acquisition device is with the display panel to be measured along the vertical range of first direction；And control described image acquisition device
In a second direction and/or third direction moves；Wherein, the first direction, the second direction and the third direction are mutual
Vertically, the first direction is vertical with the display surface of the display panel.
Optionally, multiple display panels to be measured are set on the carrier layer of carrier frame；The carrier frame includes multiple
Carrier layer；
The three-dimensional moving device is also used to control the carrier layer in a second direction or third direction moves.
Optionally, the three-dimensional moving device includes the first driving structure, the second driving structure and third driving structure；
First driving structure is moved for controlling described image acquisition device along the first direction；Described second drives
Dynamic structure is moved for controlling described image acquisition device along the second direction；The third driving structure is described for controlling
Image collecting device is moved along the third direction；
First driving structure, second driving structure and the third driving structure are installed on the carrier frame
On.
Optionally, described image acquisition device includes image acquisition device and cooling device；
Described image collector is used to acquire the display image of display panel to be measured, and the cooling device is used to be the figure
As collector provides cooler environment.
Optionally, the cooling device includes cooling shell, air inlet pipe and an air outlet pipe；
Described image collector is set to the cooling enclosure interior；
The air inlet pipe is connect with the air inlet of the cooling shell, for inputting cooling air to the cooling enclosure interior
Body；
The escape pipe is connect with the gas outlet of the cooling shell, is used for output gas.
Optionally, the cooling shell includes the internal layer heat-preservation cotton stacked gradually from inside to outside, box body and outer layer heat preservation
Cotton.
Optionally, the cooling shell includes multiple air inlets；
The air inlet pipe includes air inlet supervisor and multiple air intake branches with air inlet supervisor's connection, the multiple air inlet
Branch pipe connects one to one with the multiple air inlet.
Optionally, pneumatic triple piece, solenoid valve and throttle valve are disposed on the air inlet supervisor.
Optionally, the system further include:
High temperature ageing device, for providing high temperature ageing environment for the display panel to be measured.
The utility model embodiment is adjusted between image collecting device and display panel to be measured by three-dimensional moving device
Relative position, enables image collecting device successively to obtain the display image of multiple display panels to be measured, and processor passes through to aobvious
The analysis of diagram picture determines whether display panel to be measured shows exception, realizes to multiple display panel inspections to be measured.The present embodiment
Scheme compared with the existing technology in inspection of the artificial eye to display panel, the display image of image acquisition device is more
Accurately, the analysis result of processor is more accurate, therefore the testing result accuracy of display panel is higher.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of display panel detection system provided by the embodiment of the utility model；
Fig. 2 is a kind of structure chart of display panel detection system provided by the embodiment of the utility model；
Fig. 3 is the structure chart of another display panel detection system provided by the embodiment of the utility model；
Fig. 4 is the schematic diagram of another display panel detection system provided by the embodiment of the utility model；
Fig. 5 is a kind of schematic diagram of cooling device provided by the embodiment of the utility model；
Fig. 6 is the overall schematic of cooling shell provided by the embodiment of the utility model；
Fig. 7 is a kind of diagrammatic cross-section of cooling shell provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
A kind of display panel detection system is present embodiments provided, Fig. 1 is provided by the embodiment of the utility model a kind of aobvious
The schematic diagram for showing panel detection system, with reference to Fig. 1, which includes:
Three-dimensional moving device 10, image collecting device 20 and processor 30；
Three-dimensional moving device 10 is used to adjust the relative position of image collecting device 20 Yu multiple display panels to be measured；
Image collecting device 20 is used to successively obtain the display image of multiple display panels to be measured；
Processor 30 is connect with image collecting device 20, for receiving the display panel to be measured of the acquisition of image collecting device 20
Display image, and according to display image determine whether display panel to be measured shows exception.
Wherein, image collecting device 20 may include camera, the adjustable image collecting device 20 of three-dimensional moving device 10
With relative position of the display panel to be measured between three mutually orthogonal directions, image collecting device is set successively to obtain more
The display image of a display panel to be measured, processor 30 determine whether display panel to be measured shows by the analysis to display image
It is abnormal, it realizes to multiple display panel automatic detectings to be measured.The scheme of the present embodiment compared with the existing technology in artificial eye pair
The inspection of display panel, image collecting device 20 acquire display image it is more accurate, the analysis result of processor 30 more subject to
Really, therefore the testing result accuracy of display panel is higher.
Illustratively, processor 30 can be handled display image by AOI detection algorithm, judge to show in image
Whether there is or not bad points, to judge whether display panel to be measured is abnormal.Display image can be divided into multiple regions, calculated separately each
The average brightness in region judges that the average brightness in each region is super with the presence or absence of bigger difference, such as with other regional luminance differences
The region for crossing a given threshold is to show abnormal region, while can judge display panel to be measured according to the brightness in each region
Display homogeneity.
It should be noted that the present embodiment to algorithm of image procossing etc. and is not specifically limited processor, due to this
The inventive point of case is not here, processor can be using the available algorithm arrived of any those skilled in the art to display image
It is handled.
In addition, further including high temperature ageing device in display panel detection system, for providing high temperature for display panel to be measured
Ageing environment.Specifically, display panel to be measured is placed in high temperature ageing device, high temperature ageing device is warming up to according to aging demand
Specific temperature carries out the abnormality detection under hot environment to display panel to be measured, wherein the detection temperature of the setting can be
70-90 degree.The temperature as locating for display panel to be measured is higher, to avoid image collecting device from being damaged by high temperature, and guarantees figure
As acquisition device can short distance shooting display panel to be measured display image, it is cooling that one can be placed the image acquisition device in
In device or image collecting device can choose image acquisition device resistant to high temperature (camera).
Fig. 2 is a kind of structure chart of display panel detection system provided by the embodiment of the utility model, three-dimensional with reference to Fig. 2
Mobile device 10 is moved for controlling image collecting device 20 along first direction Z, is shown with adjusting image collecting device 20 with to be measured
Show panel 40 along the vertical range of first direction Z；And control the X and/or third direction Y fortune in a second direction of image collecting device 20
It is dynamic, to obtain the display image of multiple display panels to be measured 40；Wherein, first direction Z, second direction X and third direction Y are mutual
Vertically, first direction Z is vertical with the display surface of display panel 40.
Specifically, adjusting image collecting device 20 and display panel to be measured 40 along first direction by three-dimensional moving device 10
The vertical range of Z guarantees Image Acquisition essence so that display panel to be measured 40 is located in the object distance range of image collecting device 20
Degree.Drive image collecting device X and third direction Y motion in a second direction by three-dimensional moving device 10, complete to it is multiple to
Survey the Image Acquisition of display panel 40.In the present embodiment, 40 position of display panel to be measured is fixed, and passes through mobile image acquisition device
20 complete the Image Acquisition to multiple display panels 40 to be measured, due to image collecting device small volume, can guarantee when mobile whole
A equipment stability with higher improves the accuracy of the display image of acquisition, to further improve display panel
Detection accuracy.
Optionally, with reference to Fig. 2, multiple display panels 40 to be measured are set on carrier frame 50；Carrier frame 50 includes multiple loads
Has layer 51, multiple display panels to be measured 40 are arranged in each layer of carrier layer 51, wherein display panel 40 to be measured is put by shielding carrier 52
It is placed on carrier layer 51.The detection process of specific display panel 40 to be measured can be with are as follows: three-dimensional moving device 10 controls Image Acquisition
Device 20 is moved to carrier layer 51 to be detected, adjusts image collecting device 20 along first direction Z, second direction X and third party
To the initial position of Y, then controlling image collecting device 20, X (third direction Y) is moved in a second direction, successively acquires a line
The display image of (column) display panel 40 to be measured, then image collecting device 20 is moved along third direction Y (second direction X),
It is moved to next row (column), successively acquires the image of next row (column) display panel 40 to be measured, is realized to one layer of display surface to be measured
The detection of plate 40.Then three-dimensional moving device 10 controls image collecting device 20 and is moved to next layer carrier layer 51 to be detected,
It repeats the above process, and so on, realize the detection to all display panels 40 to be detected.
Fig. 3 is the structure chart of another display panel detection system provided by the embodiment of the utility model, with reference to Fig. 3, three
Dimension mobile device 10 is also used to control carrier layer 51 X or third direction Y motion in a second direction.
Specifically, since image collecting device 20 has certain subject away from requiring image collecting device 20 obtaining
When taking the display image of display panel 40 to be measured, meet the object distance at a distance from first direction Z with display panel 40 to be measured.Pass through
Three-dimensional moving device 10 controls carrier layer 51 X or third direction Y motion in a second direction, allows carrier layer 51 along second party
It is moved to 50 outside of carrier frame to X or third direction Y, image collecting device 20 is obtained on the outside of carrier frame 50 to be measured
The image of display panel 40.It is moved to inside carrier frame 50 for acquisition display image compared to by image collecting device, carrier
It is not necessarily to meet the object distance requirement of image collecting device 20, Ke Yishe along the spacing of first direction Z between each carrier layer 51 of frame 50
That sets is smaller, and detection system is allowed to carry out high-temperature circulation test to more display panels to be measured simultaneously, improves detection effect
Rate.
In addition, each carrier layer 51 of carrier frame 50 is set as assembly line form in some high temperature ageing detection systems, that is, carry
Have layer 51 and move forward certain distance every preset time, update the display panel to be measured on carrier layer 51, then three-dimensional mobile dress
Setting 10 can be set to partial region X or third direction Y motion in a second direction in control carrier layer 51.Illustratively, join
Fig. 3 is examined, carrier layer 51 moves pre-determined distance along third direction Y every preset time, then three-dimensional moving device 10 can control void
X is moved the detection zone 53 that wire frame is irised out in a second direction.Specific detection process can be at this time are as follows: to be measured on carrier layer 51
After display panel 40 updates, three-dimensional moving device 10 controls image collecting device 20 and is moved to this layer of carrier layer 51, adjusts image
The relative position of acquisition device 20 and this layer of carrier layer 51, three-dimensional moving device 10 control the detection zone 53 of carrier layer 51 along the
Three direction X movement, until whole region reaches 50 outside of carrier frame, image collecting device 20 acquires the display surface to be measured in the region
The display image of plate 40, three-dimensional moving device 10 control detection zone 53 and return to inside carrier frame 50.Then, three-dimensional moving device
10 control image collecting devices 20 are moved to next layer of carrier layer 51, the detection zone of next layer of carrier layer 51 along first direction Z
53 in a second direction X be moved on the outside of carrier frame 50 and detected, until having detected detection zone 53 in all carrier layers 51
Display panel 40 to be measured.
Wherein, the size of detection zone 53 can with display panel 40 to be detected is updated when moving every time in carrier layer 51
Area size is identical.It, can be with if detection zone 53 is smaller in addition, when image collecting device 20 detects detection zone 53
It once completes to obtain the image of display panels 40 to be measured multiple in detection zone 53 by image collecting device 20；If detection zone
Domain 53 is larger can be realized by X in a second direction and third direction Y mobile image acquisition device 20 to entire detection zone 53
Detection.
In addition, on the basis of the above embodiment, optionally, detection system includes multiple images acquisition device 20, more
A image collecting device 20 obtains the display image of the display panel to be measured 40 of different zones respectively, improves image and obtains efficiency,
To improve detection efficiency.
Optionally, three-dimensional moving device 10 includes the first driving structure 11, the second driving structure 12 and third driving structure
13；
First driving structure 11 is moved for controlling image collecting device 20 along first direction Z；Second driving structure 12 is used
In control image collecting device 20, X is moved in a second direction；Third driving structure 13 is for controlling image collecting device 20 along the
Three direction Y motions；
First driving structure 11, the second driving structure 12 and third driving structure 13 are installed on carrier frame 50.
Specifically, image collecting device 20 is installed on the upper of three-dimensional moving device 10.The driving of first driving structure 11, second
Structure 12 and third driving structure 13 are installed on carrier frame 50, can effectively reduce the volume of whole system.Wherein, the first driving
Structure 11, the second driving structure 12 and third driving structure 13 can respectively include corresponding guide rail and driving motor etc..
Fig. 4 is the schematic diagram of another display panel detection system provided by the embodiment of the utility model, with reference to Fig. 4, figure
As acquisition device 20 includes image acquisition device 21 and cooling device 22；
Image acquisition device 21 is used to acquire the display image of display panel to be measured, and cooling device 22 is used to be image acquisition device
21 provide a cooler environment.
Specifically, by setting cooling device 22, so that image acquisition device 21 closely obtains the aobvious of display panel to be measured
Diagram as when, can to avoid high temperature to image acquisition device 21 generate destruction, improve display Image Acquisition precision, to improve display
Panel detection precision.Wherein, cooler environment can be normal temperature environment, or the ring of any suitable image acquisition device work
Border.
Fig. 5 is a kind of schematic diagram of cooling device provided by the embodiment of the utility model, optionally, cooling with reference to Fig. 5
Device 22 includes cooling shell 221, air inlet pipe 222 and escape pipe 223；
Image acquisition device 21 is set to inside cooling shell 221；
Air inlet pipe 222 connect with the air inlet of cooling shell 221, for inputting cooling gas inside shell 221 to cooling down；
Escape pipe 223 is connect with the gas outlet of cooling shell 221, is used for output gas.
Wherein, cooling gas can be 25 degree of air, and air inlet pipe 222 inputs 25 degree of air into cooling shell 221,
Image acquisition device 21 is cooled down, air is exported by escape pipe 223, takes away heat, make image acquisition device 21 always in compared with
Low temperature cools down image acquisition device 21 by using air, at low cost and pollution-free.It should be noted that cooling
Gas can also use other gases, such as nitrogen, and the temperature of cooling gas may be other temperature, such as 20 degree, as long as
Cooling gas can play cooling effect to image acquisition device 21.
Fig. 6 is the overall schematic of cooling shell provided by the embodiment of the utility model, and Fig. 7 is the utility model embodiment
A kind of diagrammatic cross-section of the cooling shell provided, with reference to Fig. 5-Fig. 7, optionally, cooling shell 221 includes from inside to outside successively
Internal layer heat-preservation cotton 61, box body and the outer layer heat-preservation cotton 63 of stacking.
Wherein, box body includes box body front cover 621, box body rear cover 622 and box body 623.By the way that internal layer heat-preservation cotton 61 is arranged
The cooling intracorporal temperature of shell can be preferably kept with outer layer heat-preservation cotton 63, makes image acquisition device 21 always in lower temperature
Degree improves Image Acquisition precision.In addition, cooling shell 221 further includes transparent window 66, the acquisition mirror setting of image acquisition device 21
There is the side of transparent window 66 in cooling shell 221.
Optionally, with reference to Fig. 5-Fig. 7, cooling shell 221 includes multiple air inlets 64；
Air inlet pipe 222 includes air inlet supervisor 71 and is responsible for the 71 multiple air intake branches 72 connecting, multiple air inlet branch with air inlet
Pipe 72 connects one to one with multiple air inlets 64.
Specifically, uniformly entering cooling gas in cooling shell 221 by the way that multiple air inlets 64 are arranged
Portion can uniformly cool down image acquisition device 21, guarantee the cooling efficiency of image acquisition device 21.Illustratively, with reference to figure
5,4 air inlets can be set, air inlet supervisor 71 connects mouth 76 by five with 4 air intake branches 72 and connect.
In addition, multiple air inlets 64 can uniformly be arranged in some face of cooling shell 221, can also uniformly be arranged in
Multiple faces of the cooling not set gas outlet 65 of shell 221, the present embodiment are simultaneously not specifically limited, and need to only guarantee image acquisition device 21
Cooling efficiency with higher.In addition, the number of air inlet 64 can be set to 3,4 or multiple, the present embodiment is also
It is not specifically limited.In addition it is also possible to which cooling shell 221 is arranged with multiple gas outlets 65.
Optionally, with reference to Fig. 5, air inlet is responsible on 71 and is disposed with pneumatic triple piece 73, solenoid valve 74 and throttle valve
75。
Wherein, pneumatic triple piece 73 removes the mist of oil and impurity in cooling gas for being filtered to cooling gas
Deng avoiding the cooling gas containing mist of oil and impurity from entering in cooling shell 221 and cause dirt to the camera lens of image acquisition device 21
Dye, influences image acquisition precision.Pneumatic triple piece 73 is also used to depressurize cooling gas.Solenoid valve 74 plays on-off action,
For the working condition according to equipment, control whether cooling gas inputs.Throttle valve 75 is used to adjust the flow of cooling gas, from
And guarantee higher cooling efficiency.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of display panel detection system characterized by comprising
Three-dimensional moving device, image collecting device and processor；
The three-dimensional moving device is used to adjust the relative position of described image acquisition device Yu multiple display panels to be measured；
Described image acquisition device is used to successively obtain the display image of multiple display panels to be measured；
The processor is connect with described image acquisition device, for receiving the display surface to be measured of described image acquisition device acquisition
The display image of plate, and determine whether the display panel to be measured shows exception according to the display image.
2. detection system according to claim 1, it is characterised in that:
The three-dimensional moving device is moved for controlling described image acquisition device along first direction, to adjust described image acquisition
Device is with the display panel to be measured along the vertical range of first direction；And control described image acquisition device in a second direction
And/or third direction movement；Wherein, the first direction, the second direction and the third direction are mutually perpendicular to, and described
One direction is vertical with the display surface of the display panel.
3. detection system according to claim 2, it is characterised in that:
Multiple display panels to be measured are set on carrier frame；The carrier frame includes multiple carrier layers；
The three-dimensional moving device is also used to control the carrier layer in a second direction or third direction moves.
4. detection system according to claim 3, it is characterised in that:
The three-dimensional moving device includes the first driving structure, the second driving structure and third driving structure；
First driving structure is moved for controlling described image acquisition device along the first direction；The second driving knot
Structure is moved for controlling described image acquisition device along the second direction；The third driving structure is for controlling described image
Acquisition device is moved along the third direction；
First driving structure, second driving structure and the third driving structure are installed on the carrier frame.
5. detection system according to claim 1, it is characterised in that:
Described image acquisition device includes image acquisition device and cooling device；
Described image collector is used to acquire the display image of display panel to be measured, and the cooling device for described image for adopting
Collection provides cooler environment.
6. detection system according to claim 5, it is characterised in that:
The cooling device includes cooling shell, air inlet pipe and an air outlet pipe；
Described image collector is set to the cooling enclosure interior；
The air inlet pipe is connect with the air inlet of the cooling shell, for inputting cooling gas to the cooling enclosure interior；
The escape pipe is connect with the gas outlet of the cooling shell, is used for output gas.
7. detection system according to claim 6, it is characterised in that:
The cooling shell includes the internal layer heat-preservation cotton stacked gradually from inside to outside, box body and outer layer heat-preservation cotton.
8. detection system according to claim 6, it is characterised in that:
The cooling shell includes multiple air inlets；
The air inlet pipe includes air inlet supervisor and multiple air intake branches with air inlet supervisor's connection, the multiple air intake branch
It connects one to one with the multiple air inlet.
9. detection system according to claim 8, it is characterised in that:
Pneumatic triple piece, solenoid valve and throttle valve are disposed on the air inlet supervisor.
10. detection system according to claim 5, which is characterized in that further include:
High temperature ageing device, for providing high temperature ageing environment for the display panel to be measured.
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| CN109410805A (en) * | 2018-10-30 | 2019-03-01 | 苏州华兴源创科技股份有限公司 | A kind of display panel detection system |
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