CN105486687A - Touch panel inspection device and method - Google Patents
Touch panel inspection device and method Download PDFInfo
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- CN105486687A CN105486687A CN201510644460.2A CN201510644460A CN105486687A CN 105486687 A CN105486687 A CN 105486687A CN 201510644460 A CN201510644460 A CN 201510644460A CN 105486687 A CN105486687 A CN 105486687A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/0006—Industrial image inspection using a design-rule based approach
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9513—Liquid crystal panels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
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Abstract
The invention discloses a touch panel inspection device and method. The touch panel inspection device according to an embodiment of the invention includes: an image acquisition part which obtains images picked up on a glass sheet for a touch panel including a plurality of unit areas as a whole area or divided areas into which the glass sheet is segmented; an area setting part which receives inputs to a designated period comparison area of the abovementioned image and a cell-to-cell comparison area; and a defect detection part which is used for performing on the abovementioned images at least one of first image inspection used for using a preset period unit to compare pixels in the abovementioned period comparison area and second image inspection used for, among the abovementioned images, comparing the abovementioned cell-to-cell comparison area among at least three of the abovementioned plurality of unit areas, thereby detecting defects on the abovementioned glass sheet.
Description
Technical field
The present invention relates to the apparatus and method of the inspection for touch panel.
Background technology
Touch panel (touchpanel) is as making the user of the computer installation such as mobile phone, smart mobile phone, dull and stereotyped PC, portable computer, desktop computer carry out the gesture of touch display unit and the device that the function that can communicate with computer installation gives display device uses widely.
Touch panel can to manufacture the mode of the sensor electrode evaporation of patterning in X-direction and Y direction on glass sheet (glasssheet).A large amount of touch panel manufacture in the past, apply after glass sheet being cut off with unit (cell) unit of the size be applicable to the touch panel being laminated in display panel, the operation that sensor electrode is configured on the glass of unit unit, but recently in order to improve the yield of above-mentioned operation, after also having attempted defining sensor electrode on the glass sheet comprising multiple unit area, glass sheet cuts into the manufacture of the touch panel corresponding respectively with multiple unit area the most at last.
Reality touch panel manufacturing process carry out in process, due to a variety of causes, sometimes at the surface of touch panel or inner attachment foreign matter, or produce pollute, damage, touch panel occurs the defect of various form.Thus, sometimes follow-up have the operation detecting such defect.As the test mode for such defects detection, the image that the such picture pick-up device of usual use camera catches the outward appearance of touch panel, the optical check mode that its image is analyzed.
But, on the touch panel manufactured through multiple operation, the region that the region that the pattern that there is rule exists, irregular pattern exist, need the region of the inspection for defects detection, various region such as the region of such inspection can be omitted.In addition, also may not be identical with the inspection condition of each pattern for each region.Therefore, the new gimmick being used for more expeditiously, detecting with higher accuracy the defect of the different shape occurred by various region is required.
No. 2011-0020437th, Korean Patent Laid disclose to compare candidate mould (die) and average mould in order to the defect inspection of wafer gray shade scale to judge the method for defect, but still there is the necessity of respective characteristic in the multiple regions considered on mould.
prior art document
Patent documentation
Patent documentation: No. 2011-0020437th, Korean Patent Laid
Summary of the invention
the problem that invention will solve
The object of the present invention is to provide for the various region on touch panel can according to the characteristic in each region and inspection condition more expeditiously, more correctly detect the touch panel testing fixture of the defect on touch panel.
The object of the present invention is to provide such touch panel inspection method.
for solving the means of problem
1. a touch panel testing fixture, it comprises:
Image obtaining portion, wherein, obtains the touch panel glass sheet (glasssheet) comprising multiple unit area that integrally carry out the image of making a video recording region shooting or the region that is divided into division;
Region setting part, wherein, receives the input for above-mentioned image designated period comparison domain and element-by-element (cell-to-cell) comparison domain; With
Defects detection portion, wherein, at least one in the 1st image inspection and the 2nd image inspection is carried out to detect the defect on above-mentioned glass sheet in above-mentioned image, described 1st image inspection is used for by the pixel in the more above-mentioned cycle comparison domain of the cycle unit preset, and described 2nd image inspection is used for comparing said units to unit comparison domain between at least 3 unit areas in above-mentioned image in above-mentioned multiple unit area.
2. the touch panel testing fixture of above-mentioned 1, wherein, above-mentioned image obtaining portion comprises: the input part using the above-mentioned multiple unit area of the placement information identification of above-mentioned glass sheet; Make a video recording with to the above-mentioned multiple unit area through identifying and obtain the picture pick-up device of above-mentioned image.
3. the touch panel testing fixture of above-mentioned 1, wherein, above-mentioned input also in said units to specifying inspection area and the different inspection condition for above-mentioned inspection area in unit comparison domain, above-mentioned defects detection portion carries out above-mentioned 2nd image inspection according to above-mentioned inspection condition.
4. the touch panel testing fixture of above-mentioned 1, wherein, above-mentioned input also specifies non-inspection area to above-mentioned image, and above-mentioned defects detection portion also omits image inspection to above-mentioned non-inspection area.
5. the touch panel testing fixture of above-mentioned 1, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, and above-mentioned defects detection portion carries out above-mentioned 1st image inspection and above-mentioned 2nd image inspection respectively in the next region of above-mentioned multiple division.
6. the touch panel testing fixture of above-mentioned 5, wherein, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately identical.
7. the touch panel testing fixture of above-mentioned 5, wherein, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately different from the unit cell pattern in other the next region in the next region of above-mentioned multiple division.
8. the touch panel testing fixture of above-mentioned 1, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, the relative position of above-mentioned cycle comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division, specifies said units respectively to the relative position of unit comparison domain to make them different in the next region of above-mentioned multiple division.
9. the touch panel testing fixture of above-mentioned 1, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the relative position of above-mentioned cycle comparison domain to make them different respectively in the next region of above-mentioned multiple division, the relative position of said units to unit comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division.
10. the touch panel testing fixture of above-mentioned 1, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, each self-contained unit cell pattern at least 2 the next regions in the next region of above-mentioned multiple division.
The touch panel testing fixture of 11. above-mentioned 10, wherein, the non-inspection area separately, the next region of above-mentioned multiple division is also specified in above-mentioned input, in above-mentioned at least 2 the next regions divided, be included in the unit cell pattern that the region not comprising above-mentioned non-inspection area has identical patterns separately, above-mentioned defects detection portion also omits image inspection for above-mentioned non-inspection area.
The touch panel testing fixture of 12. above-mentioned 1, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the non-inspection area separately, the next region of above-mentioned multiple division, be included in the unit cell pattern that above-mentioned non-inspection area has different pattern separately at least 2 the next regions in the next region of above-mentioned multiple division, above-mentioned defects detection portion also omits image inspection for above-mentioned non-inspection area.
The touch panel testing fixture of 13. above-mentioned 1, wherein, above-mentioned defects detection portion also comprises the efferent of the position of the defect that display is detected by least one in above-mentioned 1st image inspection and above-mentioned 2nd image inspection.
The touch panel testing fixture of 14. above-mentioned 13, wherein, above-mentioned efferent also responds the selection for above-mentioned display, and display represents the image of above-mentioned defect.
15. 1 kinds of touch panel inspection methods, it comprises:
Obtain the stage of the touch panel glass sheet the comprising multiple unit area region that integrally division is carried out making a video recording or being divided in region being carried out the image of making a video recording;
Receive the stage of the input for above-mentioned image designated period comparison domain and element-by-element comparison domain; With
At least one in the 1st image inspection and the 2nd image inspection is carried out to detect the stage of the defect on above-mentioned glass sheet in above-mentioned image, described 1st image inspection is used for by the pixel in the more above-mentioned cycle comparison domain of the cycle unit preset, and described 2nd image inspection is used for comparing said units to unit comparison domain between at least 3 unit areas in above-mentioned image in above-mentioned multiple unit area.
The touch panel inspection method of 16. above-mentioned 15, wherein, the stage of above-mentioned acquisition comprises: the stage using the above-mentioned multiple unit area of the placement information identification of above-mentioned glass sheet; Make a video recording with to the above-mentioned multiple unit area through identifying and obtain the stage of above-mentioned image.
The touch panel inspection method of 17. above-mentioned 15, wherein, above-mentioned input also in said units to specifying inspection area and the different inspection condition for above-mentioned inspection area in unit comparison domain, above-mentioned 2nd image inspection carries out according to above-mentioned inspection condition.
The touch panel inspection method of 18. above-mentioned 15, wherein, above-mentioned input also specifies non-inspection area to above-mentioned image, and the stage of above-mentioned detection omits image inspection for above-mentioned non-inspection area.
The touch panel inspection method of 19. above-mentioned 15, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, the stage of above-mentioned detection comprises the stage of the next region of above-mentioned multiple division being carried out respectively to above-mentioned 1st image inspection and above-mentioned 2nd image inspection.
The touch panel inspection method of 20. above-mentioned 19, wherein, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately identical.
The touch panel inspection method of 21. above-mentioned 19, wherein, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately different from the unit cell pattern in other the next regions in the next region of above-mentioned multiple division.
The touch panel inspection method of 22. above-mentioned 15, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, the relative position of above-mentioned cycle comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division, specifies said units respectively to the relative position of unit comparison domain to make them different in the next region of above-mentioned multiple division.
The touch panel inspection method of 23. above-mentioned 15, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the relative position of above-mentioned cycle comparison domain to make them different respectively in the next region of above-mentioned multiple division, the relative position of said units to unit comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division.
The touch panel inspection method of 24. above-mentioned 15, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, each self-contained unit cell pattern at least 2 the next regions in the next region of above-mentioned multiple division.
The touch panel inspection method of 25. above-mentioned 24, wherein, the non-inspection area separately, the next region of above-mentioned multiple division is also specified in above-mentioned input, in above-mentioned at least 2 the next regions divided, be included in the unit cell pattern that the region not comprising above-mentioned non-inspection area has identical patterns separately, the stage of above-mentioned detection omits image inspection for above-mentioned non-inspection area.
The touch panel inspection method of 26. above-mentioned 15, wherein, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the non-inspection area separately, the next region of above-mentioned multiple division, be included in the unit cell pattern that above-mentioned non-inspection area has different pattern separately at least 2 the next regions in the next region of above-mentioned multiple division, the stage of above-mentioned detection omits image inspection for above-mentioned non-inspection area.
The touch panel inspection method of 27. above-mentioned 15, wherein, also comprises the stage of the position of the defect that display is detected by least one in above-mentioned 1st image inspection and above-mentioned 2nd image inspection.
The touch panel inspection method of 28. above-mentioned 27, wherein, also comprises the image representing above-mentioned defect of stage response shows to(for) the selection of above-mentioned display.
the effect of invention
Touch panel testing fixture of the present invention and method, due to the inspection easily carrying out based on graphical analysis according to the characteristic in each region and inspection condition for the various region on touch panel, therefore, it is possible to more expeditiously, more correctly detect the defect on touch panel.
Accompanying drawing explanation
Fig. 1 is the figure representing the touch panel testing fixture that one embodiment of the invention relate to.
Fig. 2 is the figure of the layout representing the touch panel glass sheet that one embodiment of the invention relate to.
Fig. 3 carries out illustrated block scheme according to the formation of one embodiment of the invention to the image obtaining portion of Fig. 1.
Fig. 4 illustrates the user interface that user is applicable in the appointment of cycle comparison domain and element-by-element comparison domain according to one embodiment of the invention.
Fig. 5 is according to the figure of one embodiment of the invention for illustration of the cycle comparison domain of specifying and element-by-element comparison domain.
Fig. 6 is for illustration of at the inspection area of specifying, element-by-element comparison domain inside and the figure for the different inspection condition in this inspection area according to one embodiment of the invention.
Fig. 7 illustrates according to the user interface of one embodiment of the invention to the position representing the defect detected.
Fig. 8 is to representing that the image of the defect detected by horizontal/vertical cycle relative method is illustrated according to one embodiment of the invention.
Fig. 9 is to representing that the image of the image of the defect detected by element-by-element relative method with the part of the correspondence in the peripheral unit region represented through comparing is illustrated according to one embodiment of the invention.
Embodiment
Referring to accompanying drawing, specific embodiment of the present invention is described.But it only illustrates, the present invention is not limited to this.
In the explanation of embodiments of the invention, for the specific description of the known technology associated with the present invention, purport of the present invention can not description is omitted in ambiguous situation being judged as making.And term described later is the term considered function in the present invention and define, it changes because of the intention of user, fortune user or convention etc. sometimes.Therefore, its definition must based on whole content of this instructions.
According to the touch panel testing fixture of one embodiment of the invention, comprise: image obtaining portion, wherein, obtain that integrally carry out the image of making a video recording region shooting or the region that is divided into division by the touch panel glass sheet (glasssheet) comprising multiple unit area, region setting part, wherein, receives the input for above-mentioned image designated period comparison domain and element-by-element (cell-to-cell) comparison domain, with defects detection portion, at least one in the 1st image inspection and the 2nd image inspection is carried out to detect the defect on above-mentioned glass sheet in above-mentioned image, described 1st image inspection is used for by the pixel in the more above-mentioned cycle comparison domain of the cycle unit preset, described 2nd image inspection is used for comparing said units to unit comparison domain between at least 3 unit areas in above-mentioned image in above-mentioned multiple unit area, the inspection easily carrying out based on graphical analysis owing to utilizing the characteristic in each region on touch panel and inspection condition, therefore, it is possible to more expeditiously, more correctly detect the defect on touch panel.
Fig. 1 represents the figure according to the touch panel testing fixture of one embodiment of the invention.
As diagram in Fig. 1, touch panel testing fixture (100) comprises image obtaining portion (110), region setting part (120), defects detection portion (130) and efferent (140).Each parts computer installation of touch panel testing fixture (100) embodies, and other devices of available with such computer installation action linkedly embody.
Image obtaining portion (110) obtains image mode to make a video recording to the touch panel glass sheet comprising unit area is formed.The unit cell pattern corresponding with this unit area can be comprised in unit region.Constituent parts unit pattern can be identical, also sometimes different.As long as the glass sheet of check object body can use optical system to carry out the touch panel glass sheet of the inspection based on graphical analysis, then to its kind, there is no particular restriction.Such as, image obtaining portion (110) can obtain the integrally region shooting or be divided into the region of division and the image of making a video recording of the illustrative touch panel glass sheet (200) with illustrated layout (layout) in Fig. 2.As an example, image obtaining portion (110) can be made a video recording respectively to the multiple unit areas (210-1 ~ 210-15) on touch panel glass sheet (200), obtains the scan image comprising the respective image in multiple unit area (210-1 ~ 210-15).
Therefore, input part (112), picture pick-up device control part (114), picture pick-up device (116) and storer (118) can be comprised according to the image obtaining portion (110) of one embodiment of the invention as illustrated in Fig. 3.
Input part (112) (such as, with document form) can receive the placement information of touch panel glass sheet (200).Such as, input part (112) can use this placement information to identify the unit area (210-1 ~ 201-15) on touch panel glass sheet (200).Thus, input part (112) can obtain the respective positional information in unit area (210-1 ~ 210-15) and be stored in storer (118).
Picture pick-up device control part (114), can with picture pick-up device (116) by the touch panel glass sheet (200) comprising unit area (210-1 ~ 210-15) integrally region or be divided into the region of division and the mode of making a video recording makes picture pick-up device (116) mobile.Such as, picture pick-up device control part (114) can judge from storer (118) the respective positional information in unit area (210-1 ~ 210-15) that reads through identifying, in the mode of the respective image in picture pick-up device (116) capture unit region (210-1 ~ 210-15) according to judging that the positional information read makes picture pick-up device (116) move in X-axis and/or Y direction.On the other hand, the mark (270,280) that the reference point (260) that the periphery of the unit area sometimes on touch panel glass sheet (200) exists the evaporation being used for sensor electrode, the goods sequence number (lotnumber) of giving glass sheet (200) or each unit area are such, picture pick-up device control part (114) can control as follows: with picture pick-up device (116), to the shooting of this mark, acquisition does not comprise the scan image of the respective image in unit area (210-1 ~ 210-15).In this case, there is no need for preventing mark such in graphical analysis as the defect on glass sheet (200) by the other mechanism be familiar with.
Picture pick-up device (116) can obtain to outward appearance (surface such as, shown in Fig. 2) shooting of touch panel glass sheet (200) image representing unit area (210-1 ~ 210-15) under the control of picture pick-up device control part (114).In addition, picture pick-up device (116) can by the Image Saving of acquisition in storer (118).Picture pick-up device (116) is as long as the light that can receive from the such check object body incidence of touch panel glass sheet (200) and catch image, then be not particularly limited, camera can be comprised (such as, CCD (Charge-CoupledDevice, charge-coupled image sensor) camera), optical sensor etc.Although do not illustrate in Fig. 3, in order to the shooting of picture pick-up device (116), light source check object body being irradiated to light can be configured around check object body.Such as, Halogen lamp LED, fluorescent light, incandescent bulb etc. such to LED (LightEmittingDiodeLamp, LED light lamp), metal halide lamp (MetalHalideLamp) can be used as light source.In addition, the configuration of picture pick-up device (116) and light source, the camera angle of picture pick-up device (116) and the irradiation angle of light source, as long as can carry out the suitable shooting of check object body and suitable illumination is penetrated, then there is no particular restriction.
In addition, with reference to Fig. 1, the remaining parts of touch panel testing fixture (100) are described.
According to one embodiment of the invention, polytype input (such as, for the image designated period comparison domain of acquisition and the input of element-by-element (cell-to-cell) comparison domain) for the image obtained by image obtaining portion (110) can be supplied to region setting part (120) by user.Therefore, user can employ input equipment (such as, sensing equipment, keyboard, touch input device and/or audio input device that mouse is such) polytype action (such as, use the click (click) of the such sensing equipment of mouse, action such as hovering (hovering) and drag and drop (draganddrop) etc., and use keyboard is by actions such as the combinations of pressing key of Text Input or the key of more than two) in carry out at least one.
Region setting part (120) is formed to receive such input.Therefore, region setting part (120), in order to receive input as above, can provide applicable user interface.Such as, region setting part (120) can receive the input for the image designated period comparison domain obtained by image obtaining portion (110) and element-by-element comparison domain.In addition, region setting part (120) can receive the input in the next region of the image obtained by image obtaining portion (110) being specified to multiple division.Now, the unit cell pattern that the next region of division is interior separately can be identical.On the other hand, the unit cell pattern that the next region of division is interior separately can be different from the unit cell pattern in other the next region.
As an example, as diagram in Fig. 4, region setting part (120) can provide the user interface (400) shown by the image (410) of (unit area (210-9) such as, at random selected by user or touch panel testing fixture (100)) representing in unit area (210-1 ~ 210-15).Thus, region setting part (120) can receive becomes the mode designated period comparison domain of same position and the input of element-by-element comparison domain with the relative position of the relative position of cycle comparison domain respective in unit area (210-1 ~ 210-15) and element-by-element comparison domain.
As another example, the next region of multiple division is not only specified in the input received by region setting part (120) to the image obtained, and can the relative position of designated period comparison domain in the same manner at least 2 the next regions in the next region divided, can in the next region divided respectively designating unit to the relative position of unit comparison domain to make them different.With its differently, by the input that region setting part (120) receives, when specifying the next region of multiple division for the image obtained, can in the next region divided respectively the relative position of designated period comparison domain to make them different, can at least 2 the next regions in the next region divided designating unit to the relative position of unit comparison domain to make it identical.
Then, cycle comparison domain and element-by-element comparison domain are investigated further particularly.As seen by the image (410) of Fig. 4, unit area (210-1 ~ 210-15) can be divided into the region (411) comprising such electrode pattern such as ITO (IndiumTinOxide, tin indium oxide) pattern, metal pattern etc. and the region (412) not comprising such electrode pattern separately.In addition, the special symbols (417) that can there are two holes (hole) (such as, light incides and using the camera aperture in camera built-in in the electronic equipment of unit area to release ultrared IR hole with from this electronic equipment) (413,414), mark (logo) (415), mark (mark) (416) in the region (412) not comprising electrode pattern and/or associate with unit area.
For by image, of detecting in the common mode of defect is by the pixel in the pixel period unit proof cycle comparison domain of the horizontal stroke preset and/or longitudinal direction in the image obtained.Such as, such horizontal stroke/vertical cycle relative method, the pixel of mutually corresponding position is different when the pixel of a in X-direction being compared from the image section of the formed objects of periphery with the image section of the pixel of the b in Y direction, be judged to be existing defects.But, the image of unit area (210-1 ~ 210-15) that the region (411) existed for electrode pattern, hole (413,414), mark (415), mark (416) and mark (417) exist, be difficult to apply horizontal stroke/vertical cycle relative method uniformly, if this is because adopt this relative method, be sometimes judged to be in normal unit area also existing defects.
Replace, region setting part (120), can for the image obtained at the upper designated period comparison domain of user interface (400) and element-by-element comparison domain for user.Such as, as diagram in Fig. 5, when user adopts the inspection method of horizontal stroke/vertical cycle relative method setting regions (512,513,514,515,516,517), the input of the inspection method adopting element-by-element relative method setting regions (511,518,519,520) can be supplied to region setting part (120).Such as, element-by-element relative method can between the unit area of more than 3 in the image obtained in unit area on touch panel glass sheet (200) comparing unit to unit comparison domain.Such as, the element-by-element relative method of position that the image section for the region (511,518,519,520) be equivalent in the adjacent unit area (210-1 and 210-3) in unit area (210-2) and left and right thereof can be adopted to carry out pattern compare, detect defect, defect recognition.
In addition, the input received by region setting part (120) can be the input of the image obtained being specified to non-inspection area.Such as, the input that the mode that region setting part (120) can receive the image inspection omitting region (521) is specified.
And then the input received by region setting part (120), when specifying the next region of multiple division for the image obtained, can be the input of specifying the non-inspection area separately, the next region divided.Now, in at least 2 the next regions in the next region divided, unit cell pattern (such as, there is in the non-inspection area of specifying the unit cell pattern of different patterns and/or there is in the region not comprising the non-inspection area of specifying the unit cell pattern of identical patterns) can be comprised separately.
On the other hand, region setting part (120), for user, can specify in the element-by-element comparison domain inspection area that divides each other, inside and the different inspection condition for this inspection area in user interface (400).Such as, the pattern of the kind different from each other in region (511) (such as, ITO pattern and metal pattern) sometimes check that condition is different from each other, this is because for the pattern of certain kind, even if existing defects also plays its function, on the other hand, the pattern for another kind is not so sometimes.Therefore, as diagram in Fig. 6, user can pass through user interface (400) by setting inspection area (611,612,613) respectively at pattern position, each inspection area is set to the input of different inspection conditions and is supplied to region setting part (120).
Defects detection portion (130) is formed as follows: carry out at least one in the 1st image inspection and the 2nd image inspection to detect defect, described 1st image inspection is compared the pixel in cycle comparison domain by horizontal/vertical cycle relative method in the image obtained by image obtaining portion (110), and described 2nd image inspection is compared element-by-element comparison domain by element-by-element relative method in the images.As an example, defects detection portion (130) according to the input received by region setting part (120), can carry out at least one in the 1st image inspection and the 2nd image inspection for the image that unit area (210-1 ~ 210-15) is respective.In addition, defects detection portion (130) can utilize the presence or absence of different inspection condition criterion defects respectively to the inspection area in element-by-element comparison domain.On the other hand, defects detection portion (130) can omit the image inspection (such as, the 1st image inspection and the 2nd image inspection) for non-inspection area.And then, when region setting part (120) receives and specifies the input in the next region of multiple division for the image obtained by image obtaining portion (110), defects detection portion (130) can carry out the 1st image inspection and the 2nd image inspection respectively to the next region.
When defect detects by least one in the 1st image inspection and the 2nd image inspection in defects detection portion (130), efferent (140) is formed in the mode of the position representing the defect detected.Such as, as diagram in Fig. 7, efferent (140) can provide and represent that the defect detected for unit area (210-1 ~ 210-15) is positioned at the user interface (700) of where.
In addition, the user that efferent (140) can respond for the display of the position representing certain defect selects to show the image of this defect.When the image of the unit area that defect occurs has sizable capacity, compared with this image of display, show the image comprising a part for defect and bear minimizing for touch panel testing fixture (100).
Such as, assuming that figure display (701) shown in the user interface (700) of Fig. 7 represents the position of the 1st defect detected by horizontal/vertical cycle relative method, figure display (702) represents the position of the 2nd defect detected by element-by-element cycle relative method.As shown in Figure 7, the 1st defect and the 2nd defect are in unit area (210-7) upper generation.If user is when user interface (700) upper selection figure display (701), efferent (140) can respond the image that such user selects to show expression the 1st defect.Such as, Fig. 8 represents the image (800) representing the 1st defect and peripheral part while representing this unit area Biao Questions.If user is when user interface (700) upper selection figure display (702), efferent (140) can respond such user's selection and show the image of expression the 2nd defect.Such as, Fig. 9 represents and is representing the image (900) of the peripheral part of size representing the 2nd defect while the Biao Questions of this unit area and preset.And then in order to the convenience of user, efferent (140) can show the image of the part of the correspondence in the peripheral unit region that represents and compared by element-by-element relative method.Such as, when adopting element-by-element relative method unit area (210-7) to be compared with unit area (210-8,210-9), efferent (140) also can show the image of the part representing unit area (210-8) (such as, the image (910) of Fig. 9) and represent unit area (210-9) a part image (such as, the image (920) of Fig. 9), this image represents the part corresponding with the 2nd defect on unit area (210-7).
In addition, another embodiment of the present invention provides touch panel inspection method, and it comprises: obtain the stage of the touch panel glass sheet the comprising multiple unit area region that integrally division is carried out making a video recording or being divided in region being carried out the image of making a video recording; Receive the stage of the input for above-mentioned image designated period comparison domain and element-by-element comparison domain; With carry out in above-mentioned image in the 1st image inspection and the 2nd image inspection at least one to detect the stage of the defect on above-mentioned glass sheet, described 1st image inspection is used for by the pixel in the more above-mentioned cycle comparison domain of the cycle unit preset, and described 2nd image inspection is used for comparing said units to unit comparison domain between at least 3 unit areas in above-mentioned image in above-mentioned multiple unit area.Such as, such touch panel inspection method can use the touch panel testing fixture according to one embodiment of the invention (such as, aforesaid touch panel testing fixture (100)) to carry out.
Above the embodiment of representative of the present invention is illustrated in detail, but the people in technical field belonging to the present invention with common knowledge can understand: can various deformation be carried out for the above embodiments in the limit not departing from category of the present invention.Therefore, interest field of the present invention is not limited to the embodiment of explanation and determines, is not only Patent right requirement described later, and must be determined by the scope etc. with this Patent right requirement equalization.
The explanation of Reference numeral
100: touch panel testing fixture
110: image obtaining portion
112: input part
114: picture pick-up device control part
116: picture pick-up device
118: storer
120: region setting part
130: defects detection portion
140: efferent
Claims (28)
1. a touch panel testing fixture, it comprises:
Image obtaining portion, wherein, obtains the touch panel glass sheet comprising multiple unit area that integrally carry out the image of making a video recording region shooting or the region that is divided into division;
Region setting part, wherein, receives the input for above-mentioned image designated period comparison domain and element-by-element comparison domain; With
Defects detection portion, wherein, at least one in the 1st image inspection and the 2nd image inspection is carried out to detect the defect on above-mentioned glass sheet in above-mentioned image, described 1st image inspection is used for by the pixel in the more above-mentioned cycle comparison domain of the cycle unit preset, and described 2nd image inspection is used for comparing said units to unit comparison domain between at least 3 unit areas in above-mentioned image in above-mentioned multiple unit area.
2. touch panel testing fixture according to claim 1, is characterized in that, above-mentioned image obtaining portion comprises: the input part using the above-mentioned multiple unit area of the placement information identification of above-mentioned glass sheet; Make a video recording with to the above-mentioned multiple unit area through identifying and obtain the picture pick-up device of above-mentioned image.
3. touch panel testing fixture according to claim 1, it is characterized in that, above-mentioned input also in said units to specifying inspection area and the different inspection condition for above-mentioned inspection area in unit comparison domain, above-mentioned defects detection portion carries out above-mentioned 2nd image inspection according to above-mentioned inspection condition.
4. touch panel testing fixture according to claim 1, is characterized in that, above-mentioned input also specifies non-inspection area to above-mentioned image, and above-mentioned defects detection portion also omits image inspection to above-mentioned non-inspection area.
5. touch panel testing fixture according to claim 1, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, above-mentioned defects detection portion carries out above-mentioned 1st image inspection and above-mentioned 2nd image inspection respectively in the next region of above-mentioned multiple division.
6. touch panel testing fixture according to claim 5, is characterized in that, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately identical.
7. touch panel testing fixture according to claim 5, is characterized in that, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately different from the unit cell pattern in other the next region in the next region of above-mentioned multiple division.
8. touch panel testing fixture according to claim 1, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, the relative position of above-mentioned cycle comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division, specifies said units respectively to the relative position of unit comparison domain to make them different in the next region of above-mentioned multiple division.
9. touch panel testing fixture according to claim 1, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the relative position of above-mentioned cycle comparison domain to make them different respectively in the next region of above-mentioned multiple division, the relative position of said units to unit comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division.
10. touch panel testing fixture according to claim 1, is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, each self-contained unit cell pattern at least 2 the next regions in the next region of above-mentioned multiple division.
11. touch panel testing fixtures according to claim 10, it is characterized in that, the non-inspection area separately, the next region of above-mentioned multiple division is also specified in above-mentioned input, in above-mentioned at least 2 the next regions divided, be included in the unit cell pattern that the region not comprising above-mentioned non-inspection area has identical patterns separately, above-mentioned defects detection portion also omits image inspection for above-mentioned non-inspection area.
12. touch panel testing fixtures according to claim 1, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the non-inspection area separately, the next region of above-mentioned multiple division, be included in the unit cell pattern that above-mentioned non-inspection area has different pattern separately at least 2 the next regions in the next region of above-mentioned multiple division, above-mentioned defects detection portion also omits image inspection for above-mentioned non-inspection area.
13. touch panel testing fixtures according to claim 1, is characterized in that, above-mentioned defects detection portion also comprises the efferent of the position of the defect that display is detected by least one in above-mentioned 1st image inspection and above-mentioned 2nd image inspection.
14. touch panel testing fixtures according to claim 13, it is characterized in that, above-mentioned efferent also responds the selection for above-mentioned display, and display represents the image of above-mentioned defect.
15. 1 kinds of touch panel inspection methods, it comprises:
Obtain the stage of the touch panel glass sheet the comprising multiple unit area region that integrally division is carried out making a video recording or being divided in region being carried out the image of making a video recording;
Receive the stage of the input for above-mentioned image designated period comparison domain and element-by-element comparison domain; With
At least one in the 1st image inspection and the 2nd image inspection is carried out to detect the stage of the defect on above-mentioned glass sheet in above-mentioned image, described 1st image inspection is used for by the pixel in the more above-mentioned cycle comparison domain of the cycle unit preset, and described 2nd image inspection is used for comparing said units to unit comparison domain between at least 3 unit areas in above-mentioned image in above-mentioned multiple unit area.
16. touch panel inspection methods according to claim 15, it is characterized in that, the stage of above-mentioned acquisition comprises: the stage using the above-mentioned multiple unit area of the placement information identification of above-mentioned glass sheet; Make a video recording with to the above-mentioned multiple unit area through identifying and obtain the stage of above-mentioned image.
17. touch panel inspection methods according to claim 15, it is characterized in that, above-mentioned input also in said units to specifying inspection area and the different inspection condition for above-mentioned inspection area in unit comparison domain, above-mentioned 2nd image inspection carries out according to above-mentioned inspection condition.
18. touch panel inspection methods according to claim 15, it is characterized in that, above-mentioned input also specifies non-inspection area to above-mentioned image, and the stage of above-mentioned detection omits image inspection for above-mentioned non-inspection area.
19. touch panel inspection methods according to claim 15, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, the stage of above-mentioned detection comprises the stage of the next region of above-mentioned multiple division being carried out respectively to above-mentioned 1st image inspection and above-mentioned 2nd image inspection.
20. touch panel inspection methods according to claim 19, is characterized in that, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately identical.
21. touch panel inspection methods according to claim 19, is characterized in that, the unit cell pattern that the next region of above-mentioned multiple division is interior is separately different from the unit cell pattern in other the next regions in the next region of above-mentioned multiple division.
22. touch panel inspection methods according to claim 15, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, the relative position of above-mentioned cycle comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division, specifies said units respectively to the relative position of unit comparison domain to make them different in the next region of above-mentioned multiple division.
23. touch panel inspection methods according to claim 15, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the relative position of above-mentioned cycle comparison domain to make them different respectively in the next region of above-mentioned multiple division, the relative position of said units to unit comparison domain is appointed as same position by least 2 the next regions in the next region of above-mentioned multiple division.
24. touch panel inspection methods according to claim 15, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, each self-contained unit cell pattern at least 2 the next regions in the next region of above-mentioned multiple division.
25. touch panel inspection methods according to claim 24, it is characterized in that, the non-inspection area separately, the next region of above-mentioned multiple division is also specified in above-mentioned input, in above-mentioned at least 2 the next regions divided, be included in the unit cell pattern that the region not comprising above-mentioned non-inspection area has identical patterns separately, the stage of above-mentioned detection omits image inspection for above-mentioned non-inspection area.
26. touch panel inspection methods according to claim 15, it is characterized in that, the next region of multiple division is also specified in above-mentioned input to above-mentioned image, specify the non-inspection area separately, the next region of above-mentioned multiple division, be included in the unit cell pattern that above-mentioned non-inspection area has different pattern separately at least 2 the next regions in the next region of above-mentioned multiple division, the stage of above-mentioned detection omits image inspection for above-mentioned non-inspection area.
27. touch panel inspection methods according to claim 15, is characterized in that, also comprise the stage of the position of the defect that display is detected by least one in above-mentioned 1st image inspection and above-mentioned 2nd image inspection.
28. touch panel inspection methods according to claim 27, is characterized in that, also comprise the image representing above-mentioned defect of stage response shows to(for) the selection of above-mentioned display.
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| KR1020140134956A KR101687163B1 (en) | 2014-10-07 | 2014-10-07 | Apparatus and method for inspection of touch panel |
| KR10-2014-0134956 | 2014-10-07 |
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| JP (1) | JP6619194B2 (en) |
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Also Published As
| Publication number | Publication date |
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| JP2016076214A (en) | 2016-05-12 |
| CN105486687B (en) | 2020-05-15 |
| TW201621584A (en) | 2016-06-16 |
| KR101687163B1 (en) | 2016-12-16 |
| KR20160041313A (en) | 2016-04-18 |
| JP6619194B2 (en) | 2019-12-11 |
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