CN103487692A - Quality detecting method of touch screen - Google Patents

Quality detecting method of touch screen Download PDF

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Publication number
CN103487692A
CN103487692A CN201310441213.3A CN201310441213A CN103487692A CN 103487692 A CN103487692 A CN 103487692A CN 201310441213 A CN201310441213 A CN 201310441213A CN 103487692 A CN103487692 A CN 103487692A
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Prior art keywords
touch
screen
click
display screen
touching
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CN201310441213.3A
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CN103487692B (en
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尹华成
何智星
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CHENGDU GENERAL TOUCH TECHNOLOGY Co Ltd
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CHENGDU GENERAL TOUCH TECHNOLOGY Co Ltd
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Abstract

The invention discloses a quality detecting method of a touch screen. The quality detecting method comprises the following steps that a, a touch body with the shooting function is used for clicking the touch screen, the actual click position of the touch body on a display screen is obtained according to the click position, and the actual click position is marked on the display screen; b, on the basis of the actual click position of the touch body, reference points in at least three touch body imaging areas are generated on the display screen; c, the click position of the touch body on the touch screen, the actual click position and the reference points are imaged, imaging results are fed back to a detection controller, and the detection controller calculates a deviation value between the click position of the touch body on the touch screen and the actual click position of the touch body on the display screen according to the imaging results; d, the deviation value is compared with a set value, and whether quality of the touch screen is qualified is determined. The quality detecting method simplifies quality detecting procedures of the touch screen, and can not only rapidly and completely complete quality detection of the touch screen, but also improve accuracy of quality detection of the touch screen.

Description

A kind of quality determining method of touch-screen
Technical field
The present invention relates to the touch screen technology field, relate in particular to a kind of quality determining method of touch-screen.
Background technology
Touch display screen comprises touch-screen and display screen.Wherein, touch-screen comprises the touch detection part, touch detection part for detection of user touch location, and be arranged on the indicator screen front, display screen is only for demonstration information, under the control of controller, information is offered to the client, the information that the client shows according to display screen is operated touch-screen.
Due to the error that there is machine error in touch-screen and produces because of amplification factor, when clicking a certain button or selecting a certain function on touch-screen, built-in software can't be made correct response to the click on touch-screen, exists an A point and responds the defect that B is ordered.Therefore, in order to guarantee the touch precision of touch-screen, guarantee actual touch to position with want the position consistency touched, touch-screen all needed to carry out various detections before coming into operation.
At present, touch-screen, before coming into operation, all can adopt calibration algorithm to be calibrated for error, if, but touch-screen is off quality, also can affect the touch precision, therefore, after having calibrated for error, also need the quality of touch-screen is detected, to guarantee the touch precision of touch-screen.As China Patent No. " 200710124032.2 " discloses a kind of testing device for touch screens and method, its open day is on 05 28th, 2008, this testing touch screen method has the following step successively: the standard of known test result screen is positioned over to aforementioned pressing in test machine, and input test parameter is in aforementioned computer equipment; In aforementioned testing standard point measurement aforesaid standards screen, to obtain the testing standard value, and aforementioned testing standard value is stored in aforementioned computer equipment; Aforementioned touch-screen to be measured is positioned over to aforementioned pressing in test machine; Determine and revise testing touch screen point to be measured, and being measured, will after the measured value of gained and testing standard value, obtaining test result, and stored and export.
But the prior art that the above-mentioned patent document of take is representative, in actual use, still exist following defect: require to press test machine while one, detecting error and accurately aim at the testing standard point on screen, but be difficult to reach this requirement with existing technology, not only exist the shortcoming of quality testing complex procedures and testing result poor accuracy, also exist the low shortcoming with meeting mass detection of detection efficiency; Two, surveying instrument is expensive, not easy care.
Summary of the invention
The object of the invention is to overcome the above-mentioned problems in the prior art, a kind of quality determining method of touch-screen is provided, the present invention has simplified the quality testing operation of touch-screen, not only can complete all sidedly fast the quality testing of touch-screen, can also improve the accuracy of touch-screen quality testing.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of quality determining method of touch-screen, is characterized in that, comprises the following steps:
A, use are shielded with the touch body point touching of camera function, according to touching the click location of body on touch-screen, obtain touching the actual click position of body on display screen, and on display screen, mark are made in the actual click position that touches body;
B, according to touching the actual click position of body on display screen, generate at least three reference point on display screen, described reference point is positioned at the imaging region that touches body;
C, to touching the click location of body on touch-screen, the actual click position of mark and the reference point imaging on display screen, and imaging results is returned to the detection controller, detect controller and calculate and touch the click location of body on touch-screen and the deviate between the actual click position on display screen according to imaging results;
D, by the deviate that obtains and setting value relatively, determine that whether the quality of touch-screen is qualified.
In described step a, touch body clicks repeatedly in the arbitrary region of touch-screen, touch touch-screen of the every click of body, detect controller according to touching the click location of body on touch-screen, obtain touching the actual click position of body on display screen, and on display screen, the touch body is clicked to corresponding actual click position each time and make mark.
In described step b, detect the actual click position that controller is clicked each time according to the touch body, generate three reference point on display screen, three reference point are isosceles triangle and arrange.
In described step c, respectively to touching the body click location on touch-screen, actual click position and the reference point imaging of mark at every turn, and imaging results is returned to the detection controller, detecting controller calculates and touches the click location of body on touch-screen and the deviate between the actual click position on display screen according to imaging results, the touch body obtains a plurality of deviates after repeatedly having clicked.
Described touch body comprises hollow cylinder, in an end of described cylindrical shell, is provided with camera, is provided with transparent touch sheet in the other end, and described camera is connected with the detection controller.
Employing the invention has the advantages that:
One, in the present invention, with the touch body of camera function point touching screen repeatedly, touch the click location of body on touch-screen during according to each click, actual click position and the reference point on display screen can access a plurality of deviates, the deviate and the setting value that obtain are compared, and whether the quality that just can detect touch-screen is qualified.In detecting operation, do not need accurately to aim at the standard point of setting on touch-screen and just can complete the quality testing of touch-screen, not only simplified the detection operation, also improved detection efficiency; Owing to touching the arbitrary region that body can the point touching screen, therefore can the quality of touch-screen any part be detected, be conducive to improve the accuracy of testing result; In addition, touch the number of clicks of body on touch-screen more, the fiducial value that obtains deviate and setting value is also more, more is conducive to improve the accuracy of testing result; With China Patent No. " 200710124032.2 ", for the prior art of representative, compare, the detecting instrument used in the present invention also has advantages of that making is simple, with low cost and easy to maintenance; And, adopt the present invention can detect the arbitrary region of touch-screen, the quality at each position of touch-screen is carried out to complete detection, can prevent the touch-screen off quality use of dispatching from the factory, be conducive to improve the competitiveness of product in market.
Two, in the present invention, camera and touch body arrange the all-in-one-piece structure, being convenient to touch body can be rapidly when point touching shields, exactly to touching the click location of body on touch-screen and the click location imaging on display screen, be conducive to improve detection efficiency.
Embodiment
A kind of quality determining method of touch-screen, is characterized in that, comprises the following steps:
A, use are shielded with the touch body point touching of camera function, according to touching the click location of body on touch-screen, obtain touching the actual click position of body on display screen, and on display screen, mark are made in the actual click position that touches body;
B, according to touching the actual click position of body on display screen, generate at least three reference point on display screen, described reference point is positioned at the imaging region that touches body, and the coordinate position of reference point is known;
C, to touching the click location of body on touch-screen, the actual click position of mark and the reference point imaging on display screen, and imaging results is returned to the detection controller, detect controller and calculate and touch the click location of body on touch-screen and the deviate between the actual click position on display screen according to imaging results;
D, by the deviate that obtains and setting value relatively, determine that whether the quality of touch-screen is qualified.
In step a of the present invention, can the touch area of touch-screen be divided into to four zones by cross central line and the longitudinal centre line of touch-screen, each zone is touched, and body is even to be clicked repeatedly, to guarantee that touch-screen is carried out to complete detection, improves the accuracy of testing result; Touch touch-screen of the every click of body, detect controller according to touching the click location of body on touch-screen, obtain touching the actual click position of body on display screen, and on display screen, the touch body is clicked to corresponding actual click position each time and make mark, this mark preferably adopts the cursor mark, and the camera basis of being convenient to touch on body is marked as picture.
In step b of the present invention, detect the actual click position that controller is clicked each time according to the touch body, generate three reference point that coordinate is known on display screen, and, three reference point preferably are isosceles triangle on display screen arranges, and is convenient to calculate fast and touch the click location of body on touch-screen and the deviate between the actual click position on display screen by nearest reference point.
In step c of the present invention, respectively to touching the body click location on touch-screen, actual click position and the reference point imaging of mark at every turn, and imaging results is returned to the detection controller, detecting controller calculates and touches the click location of body on touch-screen and the deviate between the actual click position on display screen according to imaging results, the touch body obtains a plurality of deviates after repeatedly having clicked.
In the present invention, after described actual click position refers to and touches body point touching screen, the click location of real response on display screen; After described touch body point touching screen, on display screen with this time click over against click location for needing in theory the position of response, need in theory the response position and the actual click position between certain deviation is arranged, therefore, touch the click location of body on touch-screen, be positioned at the reference point of imaging region on the actual click position of mark and display screen by imaging, just can calculate rapidly deviate between the two.
In the present invention, touch body when point touching shields, preferably adopt touch body center to be clicked touch-screen, and make marks to touching the body center, like this, touch body when point touching shields, can be rapidly to touching the click location of body on touch-screen, the actual click position of mark and the reference point imaging on display screen.
In the present invention, because the number of times that touches the body click is more, the testing result obtained is more accurate, therefore, the number of clicks of described touch body can be 80 times, 100 times, 140 times or 200 inferior, but be not limited to above-mentioned optimal way, the actual click number of times that touches body is determined according to size and the examination criteria of touch-screen.
In the present invention, described touch body comprises hollow cylinder, in an end of described cylindrical shell, is provided with camera, is provided with transparent touch sheet in the other end, and the center of described touch sheet is for touching the click center of body, and described camera is connected with the detection controller.Further, the center of preferred described touch sheet overlaps on the vertical direction of touch-screen with the center of camera.

Claims (5)

1. the quality determining method of a touch-screen, is characterized in that, comprises the following steps:
A, use are shielded with the touch body point touching of camera function, according to touching the click location of body on touch-screen, obtain touching the actual click position of body on display screen, and on display screen, mark are made in the actual click position that touches body;
B, according to touching the actual click position of body on display screen, generate at least three reference point on display screen, described reference point is positioned at the imaging region that touches body;
C, to touching the click location of body on touch-screen, the actual click position of mark and the reference point imaging on display screen, and imaging results is returned to the detection controller, detect controller and calculate and touch the click location of body on touch-screen and the deviate between the actual click position on display screen according to imaging results;
D, by the deviate that obtains and setting value relatively, determine that whether the quality of touch-screen is qualified.
2. the quality determining method of a kind of touch-screen as claimed in claim 1, it is characterized in that: in described step a, touch body clicks repeatedly in the arbitrary region of touch-screen, touch touch-screen of the every click of body, detect controller according to touching the click location of body on touch-screen, obtain touching the actual click position of body on display screen, and on display screen, the touch body is clicked to corresponding actual click position each time and make mark.
3. the quality determining method of a kind of touch-screen as claimed in claim 2, it is characterized in that: in described step b, detect the actual click position that controller is clicked each time according to the touch body, generate three reference point on display screen, three reference point are isosceles triangle and arrange.
4. the quality determining method of a kind of touch-screen as claimed in claim 3, it is characterized in that: in described step c, respectively to touching the body click location on touch-screen, actual click position and the reference point imaging of mark at every turn, and imaging results is returned to the detection controller, detecting controller calculates and touches the click location of body on touch-screen and the deviate between the actual click position on display screen according to imaging results, the touch body obtains a plurality of deviates after repeatedly having clicked.
5. the quality determining method of a kind of touch-screen as claimed in claim 1 or 2, it is characterized in that: described touch body comprises hollow cylinder, be provided with camera in one end of described cylindrical shell, be provided with transparent touch sheet in the other end, described camera is connected with the detection controller.
CN201310441213.3A 2013-09-25 2013-09-25 A kind of quality determining method of touch screen Active CN103487692B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104461801A (en) * 2014-11-28 2015-03-25 广东欧珀移动通信有限公司 Method and system for testing sensitiveness of touch screen
CN110398682A (en) * 2018-04-19 2019-11-01 京东方科技集团股份有限公司 Touch-control test device and touch-control test method

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CN202171626U (en) * 2011-08-05 2012-03-21 深圳市精智达技术有限公司 Multi-point point-touching touch screen testing machine
CN102486698A (en) * 2010-12-03 2012-06-06 王剑彬 Touch screen calibrating method
CN103235661A (en) * 2013-04-13 2013-08-07 北京汇冠新技术股份有限公司 Positioning clicking device and method and touch display screen calibration system and method

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Publication number Priority date Publication date Assignee Title
US20080109184A1 (en) * 2006-11-06 2008-05-08 Canon Kabushiki Kaisha Position and orientation measurement method and apparatus
EP2428880A1 (en) * 2009-01-27 2012-03-14 Research In Motion Limited A handheld electronic device having a touchscreen and a method of using a touchscreen of a handheld electronic device
CN101581993A (en) * 2009-04-08 2009-11-18 广东威创视讯科技股份有限公司 Calibration method and calibration device for novel touch screen device
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CN110398682A (en) * 2018-04-19 2019-11-01 京东方科技集团股份有限公司 Touch-control test device and touch-control test method

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