CN112578209A - Touch control testing device and testing method - Google Patents
Touch control testing device and testing method Download PDFInfo
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- CN112578209A CN112578209A CN202011434962.XA CN202011434962A CN112578209A CN 112578209 A CN112578209 A CN 112578209A CN 202011434962 A CN202011434962 A CN 202011434962A CN 112578209 A CN112578209 A CN 112578209A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application discloses a touch control testing device and a testing method, comprising a detection platform, a touch control module and a touch control module, wherein the detection platform is used for placing a display panel to be detected; the sliding pipe on the detection platform is connected with a first sliding part, the first sliding part is connected with a second sliding part in a sliding mode, the sliding direction of the second sliding part is perpendicular to that of the first sliding part, the second sliding part is connected with a third sliding part in a sliding mode, and the sliding direction of the third sliding part is perpendicular to that of the first sliding part and that of the second sliding part; the test piece is fixedly connected to the third sliding piece and comprises an elastic hemisphere, and the elastic hemisphere is arranged on one side, close to the detection platform, of the test piece. According to the technical scheme that this application embodiment provided, through providing a touch-control testing arrangement, the device includes test platform, sets up three slider on test platform, drives test piece and can follow three direction and remove for the display panel who waits to detect not only can carry out static test on test platform, can also carry out dynamic test.
Description
Technical Field
The present invention generally relates to the field of display panel testing, and more particularly, to a touch testing apparatus and a touch testing method.
Background
In the prior art, most of touch tests performed on a touch panel are static tests, a code script tied to a 255 gray-scale pattern is used to control TIC, and static capacitance value signal data output by TIC at a certain time is used to determine whether functions of related test items are intact. But there is no way to perform dynamic tests such as scribe tests or tap tests.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a touch testing apparatus and a testing method.
In a first aspect, a touch test device is provided, which includes a detection platform, where the detection platform is used for placing a display panel to be detected;
the detection platform is provided with a sliding pipe, a first sliding part is connected with the sliding pipe, a second sliding part is connected with the first sliding part in a sliding mode, the sliding direction of the second sliding part is perpendicular to that of the first sliding part, a third sliding part is connected with the second sliding part in a sliding mode, and the sliding direction of the third sliding part is perpendicular to that of the first sliding part and that of the second sliding part;
the test piece, test piece fixed connection be in on the third slider, the test piece includes the elasticity hemisphere, the elasticity hemisphere is established the test piece is close to testing platform's one side.
In a second aspect, a touch test method is provided, which includes: the test piece moves to a first test point of the display panel to be tested, the test piece descends until the elastic hemisphere is contacted with the display panel to be tested,
the test piece continuously descends to carry out a knocking test;
the test piece slides according to a set track to perform a sliding test;
and acquiring and recording the results of the knocking test and the sliding test.
According to the technical scheme that this application embodiment provided, through providing a touch-control testing arrangement, the device includes test platform, sets up three slider on test platform, drives test piece and can follow three direction and remove for the display panel who waits to detect not only can carry out static test on test platform, can also carry out dynamic test.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a front view of a touch testing device in this embodiment;
FIG. 2 is a top view of the touch testing device in the present embodiment;
fig. 3 is a flowchart of a touch test method in the present embodiment.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and fig. 2, the present embodiment provides a touch test apparatus, including a detection platform, where the detection platform is used to place a display panel to be detected;
the detection platform is connected with a first sliding piece in a sliding manner, the first sliding piece is connected with a second sliding piece in a sliding manner, the sliding direction of the second sliding piece is perpendicular to that of the first sliding piece, the second sliding piece is connected with a third sliding piece in a sliding manner, and the sliding direction of the third sliding piece is perpendicular to that of the first sliding piece and the second sliding piece;
the test piece, test piece fixed connection be in on the third slider, the test piece includes the elasticity hemisphere, the elasticity hemisphere is established the test piece is close to testing platform's one side.
In the touch test device in this embodiment, three sliding parts are arranged on the test platform to drive the test part to move in three directions, so that the display panel to be tested can be tested not only statically on the test platform, but also dynamically.
The detection platform in the embodiment is used for placing the display panel to be detected, and the detection platform can be aligned with the existing platform for static detection to divide each functional area, so that the detection platform can perform sufficient static detection; wherein, set up the stand on testing platform, through the foretell a plurality of sliders of this stand installation to three sliders can drive above-mentioned test piece and remove on three direction, realize the activity of each direction in the space.
Further, the second sliding part comprises a first movable column fixedly connected with the first sliding part, a piston is connected to the first movable column in a sliding manner, and the piston is fixedly connected to the second movable column;
the second movable column is connected with the third sliding piece in a sliding mode.
In this embodiment, the second sliding member moves through the first movable column and the piston slidably connected to the first movable column, the second movable column is connected to the piston, and the second movable column is slidably connected to the third sliding member, so that the second sliding member and the third sliding member move in different directions.
Further, the moving direction of the first sliding part and the moving direction of the third sliding part are both parallel to the display panel to be detected, and the sliding direction of the second sliding part is perpendicular to the display panel to be detected.
In the embodiment, the sliding direction of the second sliding part is perpendicular to the display panel to be detected, the test piece is driven to move close to and away from the display panel to be detected, and the test piece is generally used for performing a knocking test on the display panel, wherein the moving displacement of the test piece and the elastic hemisphere is small during the knocking test, and the movement in the direction is performed by arranging the piston, so that the test piece is more accurate; the moving direction of the first sliding part and the moving direction of the third sliding part are parallel to the display panel to be detected, wherein the moving direction of the first sliding part is perpendicular to the moving direction of the third sliding part, the moving direction of the first sliding part is assumed to be the X direction, the moving direction of the third sliding part is the Y direction, the moving direction of the second sliding part is the Z direction, and the sliding structure drives the test piece to move in the area above the detection platform so as to facilitate dynamic tests such as knocking or sliding.
The vertical column is provided with a first guide rail, the first guide rail is provided with a first sliding part in a sliding manner, the first sliding part slides along the first guide rail to realize movement in the X direction, the first sliding block is fixedly connected with a first movable column, the first movable column is connected with a piston in a sliding manner, the piston is fixedly connected with a second movable column, the piston moves to drive the second movable column to move in the Z direction, the second movable column is fixedly connected with a second slide rail, the second slide rail is connected with a third sliding part in a sliding manner, and the third sliding part slides along the second slide rail to realize movement in the Y direction; the third sliding part is fixedly provided with a test piece, the test piece is further provided with an elastic hemisphere, and the test piece drives the elastic hemisphere to move in multiple directions above the test area along with the third sliding part. In this embodiment, the elastic hemisphere is preferably used as a material for touching the display panel to be detected, so that the dynamic test can simulate the situation of real finger contact, and the display panel to be detected is contacted through the material of the elastic hemisphere to obtain an approximate effect.
Further, a pressure sensor is installed in the test piece and used for detecting the pressure between the test piece and the display panel to be detected.
This embodiment installation pressure sensor in the test piece, can detect the test piece and wait to detect the pressure value between the display panel, the size simulation finger through controlling this pressure value is to display panel's true operation dynamics etc. in knocking the test at every turn, the dynamics of knocking the test is confirmed to data through pressure sensor to pressure value control through pressure sensor in the slip test process, it is comparatively fixed to the pressure value of exerting display panel in the assurance test process, guarantee the accuracy of test.
Further, the display panel detection device further comprises a controller, wherein the controller is used for controlling the displacement of the first sliding part, the second sliding part and the third sliding part according to the position of the display panel to be detected and the data of the pressure sensor.
The touch test device in this embodiment can control each component according to the position of the display panel to be tested and the data of the pressure sensor, for example, determine a plurality of point positions such as a first point and a second point of the test and a range of a path that needs to be slid according to the position of the display panel to be tested, and determine a distance that a second slider, i.e., a piston needs to be moved and the like according to the value of the pressure sensor, thereby implementing automatic control of the touch test device.
As shown in fig. 3, the present embodiment further provides a testing method using the touch testing apparatus, including:
s10: the test piece moves to a first test point of the display panel to be tested, the test piece descends until the elastic hemisphere is contacted with the display panel to be tested,
s20: the test piece continuously descends to carry out a knocking test;
s30: the test piece slides according to a set track to perform a sliding test;
s40: and acquiring and recording the results of the knocking test and the sliding test.
In this embodiment, the touch test device is used for testing, the test piece performs dynamic test from the first test point, the dynamic test at least includes a tapping test and a sliding test, and in the above steps, the tapping test performed at S20 or the sliding test performed at S30 can be selected according to actual conditions.
Further, the "the test piece continuously descends to perform the knocking test" specifically includes:
the test piece continues to descend until the pressure sensor reaches a first set value, and the capacity value of the display panel to be detected of the current test point is read;
and the test piece ascends to leave the display panel to be detected, moves to the Nth test point of the display panel to be detected, and repeats the steps, wherein N is an integer greater than or equal to 1.
In this embodiment, the tapping test of S20 specifically includes performing a test on at least one set test point, tapping a test piece from a first test point, then obtaining a capacitance value of a panel to be displayed of the first test point, and determining a descending distance of the test piece through a pressure sensor when the first test point is subjected to the tapping test; after the knocking test of the first test point is finished, the test piece is moved to the second test point to carry out the knocking test, the value of the pressure sensor is kept the same as the value of the pressure sensor last time to carry out the second test, and a result is obtained.
In the tapping test, corresponding tapping tests are not carried out on areas such as non-display areas at the edges of the display panel, an opening area in the center of the display panel and the like, after the capacitance values of the test points are obtained, the difference value between the original static capacitance values of the test points is calculated, and the original static capacitance values are assumed to be (TX0RX1, TX0RX 2.,. TX1RX1, TX1RX 2.. TXIRXj); tolerance difference data of the tapping test are (TXn1RXm1-TXI1RXj1, TXn2RXm2-TXI2RXj 2.),
defining a minimum difference limit (delta TXmini, delta RXmini) of each point (i, j) in a knocking test range, and when no touch control occurs in a given range or touch control response is low and the given minimum difference limit occurs, prompting an error in a dynamic test;
defining the maximum difference limit (delta TXMaxi, delta RXMaxj) of each point (i, j) in the knocking test range, defining the maximum limit according to the actually selected test pressure F, and prompting an error in the dynamic test if the limit is exceeded in the given range. The minimum difference and the maximum difference can be determined according to the size of the simulated elastic hemisphere and the data actually produced by the production line.
Further, the "the test piece slides according to the set track to perform the sliding test" specifically includes:
the test piece is lowered until the pressure sensor reaches a second set value,
the test piece keeps the pressure value of the pressure sensor unchanged and slides according to a set track and a set speed;
collecting a data graph of a panel to be displayed every set frame number in the sliding process,
and comparing the acquired data map with the set original data map.
In this embodiment, the sliding test of S30 is specifically that the value of the test piece dropping to the pressure sensor is a second set value, the second set value is a pressure value for simulating a finger to slide the display panel, before that, a coordinate system needs to be set for the display panel to be detected first, and the position where the test piece drops for the first time and the path where the test piece needs to slide are expressed by coordinates, so that the test piece can move, preferably, a rectangular coordinate system is established with the lower left corner of the display panel to be detected as the origin of coordinates, and the coordinate system is respectively an x axis and a y axis along the length direction and the width direction;
when the detection piece descends to a set position, the detection piece is controlled to slide at a set speed and a track route, the set speed is determined according to the actual condition of a production line, and after the speed is set, the test piece finishes running the track route at the constant speed; setting frame number acquisition time, and fixedly acquiring a current data graph every other frame number, wherein the frame number acquisition time is determined according to the actual condition of a production line;
the sliding speed, the total sliding track time and the frame number acquisition time are all fixed as parameters, so that a data graph of a detection piece sliding to any position can be predicted, the data graph is detected every other set frame number, the detected data graph is compared with an original data graph, and if the detected data graph is inconsistent with the original data graph, the phenomenon of ghost points or messy points during sliding can be obtained.
When the test column slides, the elastic semisphere of the 'simulated finger' of the test column deforms towards the displacement direction, and a certain amount of deviation occurs in the contact center; subjected to sliding friction force F in the transverse directionfSince it makes uniform linear motion, FfFor a constant value, the center offset is also constant. Then the actual test data of the production line can be taken out, the peak point of the capacity value change is found, and the obtained collection is carried out by taking the point as the referenceThe data is processed according to the processing mode of the knocking test scheme.
Further, before the step of moving the test piece to the test starting point of the display panel to be tested, the method further comprises the following steps: performing static detection on the display panel to be detected, wherein the static detection comprises the following steps: short circuit test of the display panel and noise test of the display panel.
In this embodiment, before the step S10, that is, before the dynamic detection, the static detection is performed on the display panel, and the detection platform may be docked with an existing platform for static detection, so that both static detection and dynamic detection can be performed.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. A touch control testing device is characterized by comprising a detection platform, a detection unit and a control unit, wherein the detection platform is used for placing a display panel to be detected;
the detection platform is connected with a first sliding piece in a sliding manner, the first sliding piece is connected with a second sliding piece in a sliding manner, the sliding direction of the second sliding piece is perpendicular to that of the first sliding piece, the second sliding piece is connected with a third sliding piece in a sliding manner, and the sliding direction of the third sliding piece is perpendicular to that of the first sliding piece and the second sliding piece;
the test piece, test piece fixed connection be in on the third slider, the test piece includes the elasticity hemisphere, the elasticity hemisphere is established the test piece is close to testing platform's one side.
2. The touch-sensing testing device of claim 1, wherein the second sliding member includes a first movable column fixedly connected to the first sliding member, the first movable column having a piston slidably connected thereto, the piston being fixedly connected to the second movable column;
the second movable column is connected with the third sliding piece in a sliding mode.
3. The touch-sensing testing device according to claim 2, wherein the first slider moving direction and the third slider moving direction are both parallel to the display panel to be tested, and the second slider sliding direction is perpendicular to the display panel to be tested.
4. The touch control testing device according to any one of claims 1 to 3, wherein a pressure sensor is installed in the testing piece for detecting a pressure between the testing piece and the display panel to be tested.
5. The touch control testing device according to claim 4, further comprising a controller for controlling the displacement of the first, second and third sliders according to the position of the display panel to be detected and the data of the pressure sensor.
6. A testing method using the touch testing apparatus of any one of claims 1 to 5, comprising: the test piece moves to a first test point of the display panel to be tested, the test piece descends until the elastic hemisphere is contacted with the display panel to be tested,
the test piece continuously descends to carry out a knocking test;
the test piece slides according to a set track to perform a sliding test;
and acquiring and recording the results of the knocking test and the sliding test.
7. The method for testing the touch test device according to claim 6, wherein the step of continuing to lower the test piece for the tapping test comprises:
the test piece continues to descend until the pressure sensor reaches a first set value, and the capacity value of the display panel to be detected of the current test point is read;
and the test piece ascends to leave the display panel to be detected, moves to the Nth test point of the display panel to be detected, and repeats the steps, wherein N is an integer greater than or equal to 1.
8. The method for testing the touch test device according to claim 6, wherein the step of sliding the test piece according to the set track to perform the sliding test specifically comprises:
the test piece is lowered until the pressure sensor reaches a second set value,
the test piece keeps the pressure value of the pressure sensor unchanged and slides according to a set track and a set speed;
collecting a data graph of a panel to be displayed every set frame number in the sliding process,
and comparing the acquired data map with the set original data map.
9. The method for testing the touch testing device according to claim 6, further comprising, before the step of moving the test piece to the test starting point of the display panel to be tested: performing static detection on the display panel to be detected, wherein the static detection comprises the following steps: short circuit test of the display panel and noise test of the display panel.
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| CN202011434962.XA CN112578209B (en) | 2020-12-10 | 2020-12-10 | Touch control testing device and testing method |
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| CN202011434962.XA CN112578209B (en) | 2020-12-10 | 2020-12-10 | Touch control testing device and testing method |
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| CN112578209B CN112578209B (en) | 2023-07-14 |
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| TW498161B (en) * | 2000-11-07 | 2002-08-11 | An Ten Technologies Co Ltd | Test apparatus and method for touch panel |
| KR20070071345A (en) * | 2005-12-30 | 2007-07-04 | 삼성전자주식회사 | A testing apparatus of touch screen panel and testing method thereof |
| CN101187685A (en) * | 2007-10-18 | 2008-05-28 | 张福尧 | Touch panel test device and method |
| JP2010250557A (en) * | 2009-04-15 | 2010-11-04 | Mitsubishi Electric Engineering Co Ltd | Touch panel inspection machine |
| CN107395844A (en) * | 2017-06-26 | 2017-11-24 | 网易有道信息技术（北京）有限公司 | Test equipment, method, system, medium, device and computing device |
| CN109975626A (en) * | 2017-12-27 | 2019-07-05 | 中国电子产品可靠性与环境试验研究所 | Testing device for touch screens |
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2020
- 2020-12-10 CN CN202011434962.XA patent/CN112578209B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW498161B (en) * | 2000-11-07 | 2002-08-11 | An Ten Technologies Co Ltd | Test apparatus and method for touch panel |
| KR20070071345A (en) * | 2005-12-30 | 2007-07-04 | 삼성전자주식회사 | A testing apparatus of touch screen panel and testing method thereof |
| CN101187685A (en) * | 2007-10-18 | 2008-05-28 | 张福尧 | Touch panel test device and method |
| JP2010250557A (en) * | 2009-04-15 | 2010-11-04 | Mitsubishi Electric Engineering Co Ltd | Touch panel inspection machine |
| CN107395844A (en) * | 2017-06-26 | 2017-11-24 | 网易有道信息技术（北京）有限公司 | Test equipment, method, system, medium, device and computing device |
| CN109975626A (en) * | 2017-12-27 | 2019-07-05 | 中国电子产品可靠性与环境试验研究所 | Testing device for touch screens |
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