CN105334021A - System and method for checking display screen - Google Patents
System and method for checking display screen Download PDFInfo
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- CN105334021A CN105334021A CN201410314840.5A CN201410314840A CN105334021A CN 105334021 A CN105334021 A CN 105334021A CN 201410314840 A CN201410314840 A CN 201410314840A CN 105334021 A CN105334021 A CN 105334021A
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Abstract
The invention relates to a system and a method for checking a display screen. The system for checking the display screen comprises at least one camera, a rotary fixture, at least one checking machine, a host, an operating unit and a display unit, and is characterized in that the at least one camera is arranged in a darkroom; the rotary fixture is provided with at least two mounting surfaces, and each mounting surface can be detachably provided with at least one display screen; the at least one checking machine is electrically connected with the display screen and used for inputting checking signals into the display screen; the host is electrically connected with the camera and the checking machine; the operating unit is electrically connected with the host and used for inputting an operating instruction; and the display unit is electrically connected with the host and used for displaying a checking result. According to the invention, man-machine checking operations can be carried out simultaneously inside and outside the darkroom, and items which are manually checked by the naked eyes are fundamentally reduced. The system and the method for checking the display screen can assist the checking personnel to significantly reduce the checking time, the operating time is reduced to 55 seconds from the original 80 seconds, and the number of the checking personnel can be reduced.
Description
Technical field
The present invention relates to display screen check system and method.
Background technology
In the manufacture process of display screen such as LCD, need to carry out image quality inspection, visual examination and CR test action etc. to it.The image quality scope of examination generally comprises spot, lines, stains, light and shade contrast, color and other characteristic.This inspection or test usually by manually completing, without auxiliary or alternative Working mechanism, Inspection overlong time and easily cause operating personnel tired.
Summary of the invention
An object of the present invention is to provide a kind of display screen inspection method, and it can replace manually performing Inspection at least in part.
According to display screen inspection method of the present invention, comprise step:
At least one camera is arranged in darkroom;
Be arranged on rolling clamp by multiple display screen, wherein rotating clamp has at least two installed surfaces, each installed surface is installed at least one display screen;
Described multiple display screen is electrically connected with at least one inspection machine;
Camera and inspection machine are electrically connected with main frame respectively, wherein main frame is electrically connected with operating unit and display unit;
Make the camera of described multiple display screen successively in darkroom on rolling clamp, by operating unit, main frame and inspection machine to each display screen input checking signal, control camera by main frame and successively each display screen is aimed at, focuses on and taken pictures;
The take pictures image of main frame to camera processes, and check result is sent to display unit shows;
Wherein, while camera some project to the display screen on rolling clamp installed surface carries out self-verifying, manually hand inspection is carried out to other project of the display screen on another installed surface of rolling clamp, by the rotation of rolling clamp, make each display screen through self-verifying and hand inspection.
In a specific embodiment, when using multiple inspection machine to come multiple display screen input checking signal, be electrically connected by split screen device with between display unit at multiple inspection machine, split screen device is also electrically connected with operating unit, thus utilizes same display unit and same operating unit show multiple inspection machine and control.
Preferably, wherein main frame by the real-time analysis to camera imaging quality, can be corrected its intelligence when camera focal drifts about.
Preferably, wherein main frame is according to the display screen degree of jitter detected, can automatically regulate display screen controling parameters to make it reach optimum condition.
Preferably, wherein main frame has image homogenization processing unit, can effectively realize image retain undesirable feature all in the lump by the process of image homogenization processing unit.
Preferably, wherein main frame has image lattice line elimination unit, and the process being eliminated unit by image lattice line can effectively be eliminated mesh lines and retain undesirable feature.
Preferably, when camera carries out self-verifying to display screen, the first shot-light is adopted to irradiate display screen.
Preferably, when manually carrying out hand inspection to display screen, the second shot-light is adopted to irradiate display screen.
Preferably, rolling clamp is also electrically connected with main frame, can the rotation of automatic control type rotating fixture by the input of operating unit.
Preferably, camera is along X, Y and Z axis three displaceable cameras in direction.
Another object of the present invention is to provide a kind of display screen check system, and it can replace manually performing Inspection at least in part.
According to display screen check system of the present invention, comprising:
At least one camera, is arranged in darkroom;
Rolling clamp, there are at least two installed surfaces, each installed surface can removably install at least one display screen, wherein by the rotation of rolling clamp, the camera of display screen successively in darkroom that it is installed can be made, when the display panel on rolling clamp installed surface is to camera in darkroom, the display location on another installed surface, outside darkroom, manually can carry out hand inspection to the display screen be positioned at outside darkroom;
At least one inspection machine, is electrically connected with display screen, for display screen input checking signal;
Main frame, is electrically connected respectively with camera and inspection machine;
Operating unit, is electrically connected with main frame, is used for entering the operating instructions; And
Display unit, is electrically connected with main frame, is used for showing check result.
In one embodiment, when comprising multiple inspection machine, described check system also comprises split screen device, split screen device is connected electrically between multiple inspection machine and display unit, split screen device is also electrically connected with operating unit, thus utilizes same display unit and same operating unit show multiple inspection machine and control.
Under preferable case, wherein main frame has camera parameter control module, and by the real-time analysis to camera imaging quality, camera parameter control module can be corrected its intelligence when camera focal drifts about.
Under preferable case, wherein main frame has display screen control module, and display screen control module, according to the display screen degree of jitter detected, can regulate display screen controling parameters to make it reach optimum condition automatically.
Under preferable case, wherein main frame has image homogenization processing unit, can effectively realize image retain undesirable feature all in the lump by the process of image homogenization processing unit.
Under preferable case, wherein main frame has image lattice line elimination unit, and the process being eliminated unit by image lattice line can effectively be eliminated mesh lines and retain undesirable feature.
Under preferable case, rolling clamp is also electrically connected with main frame, can the rotation of automatic control type rotating fixture by the input of operating unit.
Under preferable case, also comprise the first shot-light be arranged in darkroom, when camera carries out self-verifying to display screen, adopt the first shot-light to irradiate display screen.
Under preferable case, also comprising the second shot-light be arranged in darkroom, when manually carrying out hand inspection to display screen, adopting the second shot-light to irradiate display screen.
Under preferable case, camera is along X, Y and Z axis three displaceable cameras in direction.
Display screen check system of the present invention and method can realize equipment, personnel's operation simultaneously, greatly reduce the supervision time and can reduce supervisory personnel.
Accompanying drawing explanation
Fig. 1 diagrammatically illustrates display screen check system according to an embodiment of the invention;
Fig. 2 diagrammatically illustrates display screen check system according to another embodiment of the invention; And
Fig. 3 diagrammatically illustrates the process flow diagram according to display screen inspection method of the present invention.
Embodiment
Display screen check system of the present invention and method is described in detail below in conjunction with accompanying drawing.
See Fig. 1 and Fig. 2, display screen check system according to the present invention mainly comprises: camera 10, rolling clamp 20, inspection machine 30, main frame 40, operating unit 50 and display unit 60.
Camera 10 is used for taking pictures to the display screen 88 of examine, and camera 10 is generally arranged in darkroom 11.Camera 10 can be one or be arranged side by side multiple.Camera 10 is erected on shift mechanism 12 usually, shift mechanism 12 can before and after, up and down, side-to-side movement, thus drive camera 10 to move on X, Y, Z axis three directions, the motion of shift mechanism 12 can be driven by manual, also machine (such as motor) can be adopted to drive, and shift mechanism 12 also can be robot.According to the difference of rolling clamp 20, camera 10 can be arranged to camera lens horizontal aligument display screen 88 or vertical align display screens 88 from the top down.Camera 10 adopts such as 9V direct supply directly to power, thus realizes long-time uninterrupted power supply to facilitate the Inspection continuing to carry out mentioning below.The number of camera 10 can arrange one or more according to the size of display screen 88 to be detected and number.
Rolling clamp 20 is used for clamping the display screen 88 of examine, and rolling clamp 20 has at least two installed surfaces, and each installed surface removably can install at least one display screen 88.Wherein by the rotation of rolling clamp 20, the camera 10 of display screen 88 successively in darkroom 11 that it is installed can be made, when the camera 10 of the display screen 88 on rolling clamp 20 1 installed surfaces in darkroom 11, display screen 88 on another installed surface is positioned at outside darkroom 11, manually can carry out hand inspection (such as visual inspection) to the display screen 88 be positioned at outside darkroom 11.When checking when taking pictures to the multiple display screens 88 on same installed surface, can by regulating the position of camera 10 or coming to aim at multiple display screen 88 one by one by each self-corresponding camera 10.
The installed surface of rolling clamp 20 has vertically and level two kinds of arrangements.See Fig. 1, in one embodiment of the invention, rolling clamp 20 has two vertical installation surface arranged back-to-back, and accordingly, horizontal aligument display screen 88 is arranged to by the camera lens of camera 10.See Fig. 2, in another embodiment of the present invention, rolling clamp 20 has the horizontal mounting surface that two alignment are arranged, and accordingly, vertically align display screens 88 is arranged to from the top down by the camera lens of camera 10.In other embodiments of the invention, multiple installed surfaces of rolling clamp 20 can also have other multiple set-up mode, such as, four vertical installation surface in " ten " font or four horizontal mounting surfaces in " field " font.In vertical set-up mode, the installed surface of rolling clamp 20 is provided with snap device 21 (its 26S Proteasome Structure and Function is well known to those skilled in the art, therefore omits further illustrating it) and fixes display screen 88; Be horizontally disposed with in mode, the installed surface of rolling clamp 20 be provided with groove 22 and fix display screen 88.By the setting of snap device 21 or groove 22, can easily the display screen 88 on rolling clamp 20 be installed, dismantle and be changed.
Rolling clamp 20 can manual rotation or by motor and automatic rotation.If rolling clamp 20 is undertaken driving and automatic rotation by stepper motor, then the startup of stepper motor preferably by two buttons (not specifically illustrating) control simultaneously (namely must press these two buttons just can start driving stepper motor rolling clamp 20 rotate predetermined angular) simultaneously with avoid being not intended to or mistake presses arbitrary button time rolling clamp 20 can be caused to misroute.The driving mechanism (motor) of rolling clamp 20 also can be connected with main frame 40, is controlled rolling clamp 20 by main frame 40.
Inspection machine 30 is electrically connected with the display screen 88 on rolling clamp 20, for display screen 88 input checking signal.The number of inspection machine 30 can be equal with the number of the display screen 88 on rolling clamp 20, and also namely an inspection machine 30 connects a display screen 88.An inspection machine 30 also can connect multiple display screen 88 simultaneously, realizes an inspection machine 30 to multiple display screen 88 input checking signal.In addition, inspection machine 30 can also input correction signal to display screen 88, hereinafter will be further described.
Main frame 40 is electrically connected respectively with camera 10 and inspection machine 30, and main frame 40 is also electrically connected respectively with operating unit 50 and display unit 60.Operating unit 50 (such as comprising keyboard and mouse) is used for entering the operating instructions.Display unit 60 (such as liquid crystal display) is used for showing operational order and check result.Main frame 40 has camera parameter control module, by the input of operating unit 50, main frame 40 can perform control to camera 10 by camera parameter control module, its parameter is selected and arranges, and by the real-time analysis to camera 10 image quality, carry out intelligence when focal length drifts about to camera 10 to correct, guarantee image quality.Main frame 40 receives the image to its treatment and analysis of taking pictures of camera 10, then analysis processing result is sent to display unit 60 and shows.Such as, be preset with the image information of the display screen of arm's length standard in main frame 40, after receiving the image of the display screen 88 of the examine that camera 10 is taken, main frame 40 is compared automatically.If be within the scope of arm's length standard, then display unit 60 is shown as normally; If be in outside arm's length standard scope, then display unit 60 is shown as improper.
Also there is in main frame 40 image homogenization processing unit (program) and image lattice line elimination unit (program).Owing to being subject to the impact of the features such as environment, display screen size, camera self when taking pictures on the picture of display screen 88, picture can being caused uneven, cause difficulty to analysis.Can effectively realize image by the process of image homogenization processing unit and retain undesirable feature all in the lump.Display screen 88 can produce mesh lines when carrying out picture and taking pictures, and this is the characteristic of display screen, causes very large difficulty, even cannot analyze graphical analysis.Eliminated the process of unit by image lattice line, can effectively eliminate mesh lines and retain undesirable feature.
In addition, be provided with display screen correcting unit in main frame 40, by interpretation of result and the process of main frame 40, display screen correcting unit can carry out automatic calibration to the display screen 88 be in improper critical field.Such as, in float is tested, the degree of jitter of 88 can be shielded by detection display in real time, the display screen correcting unit of main frame 40 can send control signal to inspection machine 30, regulated by inspection machine 30 pairs of display screens 88 again, can in 3s, automatically regulate the float of display screen 88 to make it reach normal range.
See Fig. 3, be provided with multiple control loop in main frame 40, multiple control loop is used for controlling inspection machine 30, camera 10 respectively.When main frame 40 is electrically connected with the driving mechanism of rolling clamp 20, be also provided with the control loop controlling rolling clamp 20, rolling clamp 20 can be controlled and move according to the path set and speed.When adopting multiple inspection machine 30 to be connected with multiple display screen 88, between multiple inspection machine 30 and display unit 60, be also provided with split screen device, split screen device is also electrically connected with operating unit 50.Split screen device can be integrated in main frame 40 and (be equivalent to a control loop).By the switching of split screen device, same display unit 60 and same operating unit 50 is utilized to show multiple inspection machine 30 and to control.
Display screen check system according to the present invention can also comprise the first shot-light and the second shot-light.First shot-light is arranged in darkroom 11, when camera 10 pairs of display screens 88 carry out self-verifying, the first shot-light is adopted to irradiate display 88, when display screen 88 speckles with dust, by the irradiation of the first shot-light, dust in the image of taking pictures can be made to highlight, thus can distinguish with other defect (such as cut).Second shot-light is arranged on outside darkroom 11, and when manually carrying out visual check to display screen 88 (such as outward appearance), adopt the second shot-light to irradiate display screen 88, what can check is more accurate.First shot-light and the second shot-light are all electrically connected with main frame 40, thus can automatically be controlled them by main frame 40.
Rolling clamp 20, be all that space is separated or separate setting between main frame 40 with camera 10, camera taken pictures the interference of operation to avoid mutually producing the vibration disturbing such as rolling clamp 20 to produce.
The method of operating of above-mentioned display screen check system is described referring to Fig. 1-3.
First, at least one camera 10 (1 to n) is arranged in darkroom 11.Be arranged on rolling clamp 20 by multiple display screen 88 (1 to n), display screen 88 is generally LCDs (LCD), can be semi-manufacture also can be goods.Rolling clamp 20 has at least two installed surfaces, each installed surface is installed at least one display screen 88.Described multiple display screen 88 is electrically connected with at least one inspection machine 30 (1 to n).Camera 10 and inspection machine 30 are electrically connected with main frame 40 respectively, wherein main frame 40 is electrically connected with operating unit 50 and display unit 60.
Then, the camera 10 of described multiple display screens 88 successively in darkroom 11 on rolling clamp 20 is made.Coherence check signal is inputted to each display screen 88 by operating unit 50, main frame 40 and inspection machine 30.Open the first shot-light, control camera 10 by main frame 40 and successively each display screen 88 is aimed at, focuses on and taken pictures.
Subsequently, the image of taking pictures of main frame 40 pairs of cameras 10 carries out analyzing and processing, and check result is sent to display unit 60 and shows.
Wherein, while some project of the display screen 88 on camera 10 pairs of rolling clamps 20 1 installed surfaces carries out self-verifying, be in supervisory personnel outside darkroom 11 to the display screen 88 on another installed surface of rolling clamp 20 under the irradiation of the second shot-light, hand inspection is carried out to other project.By the rotation of rolling clamp 20, make each display screen 88 through self-verifying and hand inspection.
By above-mentioned operation, camera 10 can check display screen 88 as projects such as spot, lines, stains, comprised other project of outward appearance by supervisory personnel's visual check simultaneously.The Inspection while of owing to realizing man-machine in darkroom 11 is outer, and artificial macroscopic project is able to essence to be reduced, and display screen check system of the present invention auxiliary examination personnel significantly can reduce the supervision time (activity duration was reduced to 55 seconds from original 80 seconds) and can reduce supervisory personnel.
It will be appreciated by those skilled in the art that above-mentioned diagramatic content and embodiment are only used for explaining the present invention but not being used for making any restriction to it.Such as, step in method according to the sequencing in description, can might not adjust according to easy to operate, as long as can realize spirit of the present invention and essence.Again such as, when utilizing motor to drive rolling clamp 20 automatic rotation, a button also can be only used to carry out the startup of control step motor.Again such as, at least one display screen 88 to camera 10 of the non-face on rolling clamp 20 is non-essential will be positioned at outside darkroom 11, as long as directly can be observed visually it outside darkroom 11.
Claims (20)
1. a display screen inspection method, is characterized in that, comprises step:
At least one camera is arranged in darkroom;
Be arranged on rolling clamp by multiple display screen, wherein rotating clamp has at least two installed surfaces, each installed surface is installed at least one display screen;
Described multiple display screen is electrically connected with at least one inspection machine;
Camera and inspection machine are electrically connected with main frame respectively, wherein main frame is electrically connected with operating unit and display unit;
Make the camera of described multiple display screen successively in darkroom on rolling clamp, by operating unit, main frame and inspection machine to each display screen input checking signal, control camera by main frame and successively each display screen is aimed at, focuses on and taken pictures;
The take pictures image of main frame to camera processes, and check result is sent to display unit shows;
Wherein, while camera some project to the display screen on rolling clamp installed surface carries out self-verifying, manually hand inspection is carried out to other project of the display screen on another installed surface of rolling clamp, by the rotation of rolling clamp, make each display screen through self-verifying and hand inspection.
2. display screen inspection method according to claim 1, it is characterized in that, when using multiple inspection machine to come multiple display screen input checking signal, be electrically connected by split screen device with between display unit at multiple inspection machine, split screen device is also electrically connected with operating unit, thus utilizes same display unit and same operating unit show multiple inspection machine and control.
3. display screen inspection method according to claim 1, is characterized in that, wherein main frame by the real-time analysis to camera imaging quality, can be corrected its intelligence when camera focal drifts about.
4. display screen inspection method according to claim 1, is characterized in that, wherein main frame is according to the display screen degree of jitter detected, can automatically regulate display screen controling parameters to make it reach optimum condition.
5. display screen inspection method according to claim 1, is characterized in that, wherein main frame has image homogenization processing unit, can effectively realize image retain undesirable feature all in the lump by the process of image homogenization processing unit.
6. display screen inspection method according to claim 1, is characterized in that, wherein main frame has image lattice line elimination unit, and the process being eliminated unit by image lattice line can effectively be eliminated mesh lines and retain undesirable feature.
7. display screen inspection method according to claim 1, is characterized in that, when camera carries out self-verifying to display screen, adopts the first shot-light to irradiate display screen.
8. display screen inspection method according to claim 1, is characterized in that, when manually carrying out hand inspection to display screen, adopts the second shot-light to irradiate display screen.
9. display screen inspection method according to claim 1, is characterized in that, rolling clamp is also electrically connected with main frame, can the rotation of automatic control type rotating fixture by the input of operating unit.
10. display screen inspection method according to claim 1, is characterized in that, camera is along X, Y and Z axis three displaceable cameras in direction.
11. 1 kinds of display screen check systems, is characterized in that, comprising:
At least one camera, is arranged in darkroom;
Rolling clamp, there are at least two installed surfaces, each installed surface can removably install at least one display screen, wherein by the rotation of rolling clamp, the camera of display screen successively in darkroom that it is installed can be made, when the display panel on rolling clamp installed surface is to camera in darkroom, the display location on another installed surface, outside darkroom, manually can carry out hand inspection to the display screen be positioned at outside darkroom;
At least one inspection machine, is electrically connected with display screen, for display screen input checking signal;
Main frame, is electrically connected respectively with camera and inspection machine;
Operating unit, is electrically connected with main frame, is used for entering the operating instructions; And
Display unit, is electrically connected with main frame, is used for showing check result.
12. display screen check systems according to claim 11, it is characterized in that, when comprising multiple inspection machine, described check system also comprises split screen device, split screen device is connected electrically between multiple inspection machine and display unit, split screen device is also electrically connected with operating unit, thus utilizes same display unit and same operating unit show multiple inspection machine and control.
13. display screen check systems according to claim 11, it is characterized in that, wherein main frame has camera parameter control module, and by the real-time analysis to camera imaging quality, camera parameter control module can be corrected its intelligence when camera focal drifts about.
14. display screen check systems according to claim 11, it is characterized in that, wherein main frame has display screen control module, and display screen control module, according to the display screen degree of jitter detected, can regulate display screen controling parameters to make it reach optimum condition automatically.
15. display screen check systems according to claim 11, it is characterized in that, wherein main frame has image homogenization processing unit, can effectively realize image retain undesirable feature all in the lump by the process of image homogenization processing unit.
16. display screen check systems according to claim 11, is characterized in that, wherein main frame has image lattice line elimination unit, and the process being eliminated unit by image lattice line can effectively be eliminated mesh lines and retain undesirable feature.
17. display screen check systems according to claim 11, it is characterized in that, rolling clamp is also electrically connected with main frame, can the rotation of automatic control type rotating fixture by the input of operating unit.
18. display screen check systems according to claim 11, is characterized in that, also comprise the first shot-light be arranged in darkroom, when camera carries out self-verifying to display screen, adopt the first shot-light to irradiate display screen.
19. display screen check systems according to claim 11, is characterized in that, also comprise the second shot-light be arranged in darkroom, when manually carrying out hand inspection to display screen, adopt the second shot-light to irradiate display screen.
20. display screen check systems according to claim 11, is characterized in that, camera is along X, Y and Z axis three displaceable cameras in direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314840.5A CN105334021A (en) | 2014-07-03 | 2014-07-03 | System and method for checking display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410314840.5A CN105334021A (en) | 2014-07-03 | 2014-07-03 | System and method for checking display screen |
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| CN105334021A true CN105334021A (en) | 2016-02-17 |
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| CN201410314840.5A Pending CN105334021A (en) | 2014-07-03 | 2014-07-03 | System and method for checking display screen |
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| CN108305294A (en) * | 2018-01-19 | 2018-07-20 | 长春希达电子技术有限公司 | A kind of camera image curved surface method for precisely marking with grid target |
| CN108584772A (en) * | 2018-05-29 | 2018-09-28 | 苏州数建模自动化有限公司 | A kind of artificial upper automatic lifting module shielded of substitution |
| CN110220675A (en) * | 2019-06-11 | 2019-09-10 | 深圳创维－Rgb电子有限公司 | A kind of display performance test macro, method, terminal and storage medium |
| CN110988558A (en) * | 2019-12-20 | 2020-04-10 | 京东方科技集团股份有限公司 | Touch screen testing system and method |
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