CN101697103A - Touch panel linearity test device and method - Google Patents
Touch panel linearity test device and method Download PDFInfo
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- CN101697103A CN101697103A CN200910205287A CN200910205287A CN101697103A CN 101697103 A CN101697103 A CN 101697103A CN 200910205287 A CN200910205287 A CN 200910205287A CN 200910205287 A CN200910205287 A CN 200910205287A CN 101697103 A CN101697103 A CN 101697103A
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- touch panel
- flexible pcb
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- load bearing
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Abstract
The invention discloses touch panel linearity test device and method. The device at least comprises a test clamp, a vacuum table-board and a test pen, wherein the test clamp comprises a first loading unit and a second loading unit, the first loading unit is used for loading a touch panel to be tested, the second loading unit is used for loading a flexible circuit board, the flexible circuit board is connected with a computer main frame through a signal output line; the vacuum table-board is used for loading the test clamp and is provided with a para-position photographic device; the touch panel to be tested comprises a first gold finger position, the flexible circuit board comprises a second gold finger position, the first loading unit is provided with an X-axle para-position regulator and a Y-axle para-position regulator which are used for regulating the position of the touch panel to be tested so as to enable the touch panel to be tested to electrically connect with the flexible circuit board through the first and the second gold finger positions; and the test pen is used for moving on the touch panel to be tested according the set routing.
Description
Technical field
The present invention relates to touch panel detection technique field, particularly relate to a kind of touch panel linearity test device and method.
Background technology
In the electronic product in modern times, for example computer, PDA, digital code player etc. use touch panel (touch panel) through regular meeting, as handwriting input or click the interface of input.That touch panel has is sturdy and durable, reaction velocity fast, save the space, be easy to many advantages such as interchange.When handwriting input, because of need be along with moving of user writing stroke discerned timely and accurately, electronic product just need set a kind ofly can import the touch panel of continuous coordinate points or the touch panel of importing with linear mode.
In the prior art, (Flexible Printed Circuit FPC) just can carry out after fixedly connected (bounding) need to wait for touch panel and flexible PCB for the linearity test of touch panel.This method of testing will spend more operation, and the cost of fixing a breakdown after pinpointing the problems is higher.
Therefore, how designing a new touch panel linearity test device and method, make it can carry out the linearity test to it quickly and accurately when touch panel not being fixedlyed connected with flexible PCB, is the industry problem demanding prompt solution.
Summary of the invention
For addressing the above problem, the invention provides a kind of touch panel linearity test device, comprise at least: test fixture, described test fixture comprise first load bearing unit and second load bearing unit; First load bearing unit is used to carry touch panel to be detected; Second load bearing unit is used to carry flexible PCB, and described flexible PCB links to each other with host computer by the output line road; Vacuum table is used to carry described test fixture, also is provided with the contraposition camera head on the described vacuum table; Described touch panel to be detected comprises first golden finger (connecting finger) position, described flexible PCB comprises the second golden finger position, described first load bearing unit is provided with X-axis contraposition regulator and Y-axis contraposition regulator, be used to adjust the position of described touch panel to be detected, the two is electrically connected by described first, second golden finger position to make this touch panel to be detected and described flexible PCB; And test pen, be used on touch panel to be detected, moving according to the path of setting.
Wherein, described second load bearing unit also comprises location parts, and this positioning element is arranged at described flexible PCB top, and described positioning element is pilot hole or telltale mark; Described second load bearing unit also comprises buffer unit, and this buffer unit is arranged at described flexible PCB top, and buffer unit is a rubber strip.
Another object of the present invention is to provide a kind of touch panel linearity method of testing, be used to test touch panel without fixedly connected flexible PCB, described method comprises at least: a touch panel to be detected is provided, and this touch panel to be detected comprises the first golden finger position; One flexible PCB, this flexible PCB comprise the second golden finger position, and described flexible PCB links to each other with host computer by the output line road; Carry out contraposition by a contraposition camera head, adjust the X axis at place of described touch panel to be detected and Y-axis, its first golden finger position is electrically connected with the second golden finger position of described flexible PCB to the position; And on described touch panel to be detected, moving according to the path of setting with a test pen, the signal that produces is passed to host computer by described output line road.
Wherein, described contraposition camera head is by carrying out contraposition with reference to a positioning element that is arranged at described flexible PCB top, and described positioning element is pilot hole or telltale mark; Described flexible PCB top is provided with a buffer unit, and described buffer unit is a rubber strip.
Application the invention has the advantages that: by touch panel linearity test device provided by the invention and method, touch panel without fixedly connected flexible PCB also can promptly carry out the linearity test, method of testing is reliable and stable, and the present invention can carry out the linearity test to a plurality of touch panels simultaneously simultaneously, reduce industrial cost, improved efficient.
For content of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below:
Description of drawings
Fig. 1 is the synoptic diagram of touch panel linearity test device in the one embodiment of the invention.
Fig. 2 is the synoptic diagram of stationary installation on second load bearing unit among the present invention.
Fig. 3 is the synoptic diagram of touch panel linearity test device in the another embodiment of the present invention.
Fig. 4 is the process flow diagram of touch panel linearity method of testing of the present invention.
Fig. 5 is the mobile route synoptic diagram of test pen on touch panel to be detected among the present invention.
The Reference numeral and the ingredient that relate among the figure are as follows:
100: 10: the first load bearing units of test fixture
11: touch panel 12:X axle contraposition regulator to be detected
13:Y axle contraposition regulator 14: groove
22: output line road 23: stationary installation
24: pilot hole 24 ': fixed pin
25: rubber strip 200: vacuum table
A: starting point b: test path
D: apart from S10～S40: step
Embodiment
Below in conjunction with accompanying drawing, specify embodiments of the present invention.
Fig. 1 is the synoptic diagram of touch panel linearity test device in the one embodiment of the invention.See also Fig. 1, touch panel linearity test device comprises at least: test fixture 100, described test fixture 100 comprise first load bearing unit 10 and second load bearing unit 20; First load bearing unit 10 is used to carry touch panel to be detected 11, the second load bearing units 20 and is used to carry flexible PCB 21, and flexible PCB 21 links to each other with host computer by output line road 22; Vacuum table 200, be used for bearing test anchor clamps 100, also be provided with the contraposition camera head on the vacuum table 200, in this embodiment, because vacuum table 200 has the vacuum suction function, so can not the contraposition camera head be set, so on vacuum table 200, adopt slim CCD, pin video camera as the contraposition camera head by the mode of destroying vacuum table 200.Touch panel 11 to be detected comprises the first golden finger position, flexible PCB 21 comprises the second golden finger position, first load bearing unit 10 is provided with X-axis contraposition regulator 12 and Y-axis contraposition regulator 13, it carries out contraposition by the contraposition camera head, adjust the position of touch panel 11 to be detected, the two is electrically connected by described first, second golden finger position to make this touch panel to be detected 11 and flexible PCB 21; In addition, touch panel linearity test device also comprises a test pen (not drawing among the figure), is used for moving to test on touch panel to be detected 11 according to the path of setting.
For the touch panel to be detected of not fixedlying connected with flexible PCB, if it can be worked normally, usually can only take to use probe to contact the mode of the golden finger of flexible PCB, yet, the expensive and use inconvenience of prices such as common on the market probe such as film probe or FPC probe.Therefore, the present invention considers to use flexible PCB directly to substitute probe, as long as solved the contraposition problem at the golden finger position of flexible circuit edge connector position and touch panel to be detected, promptly can lower cost finishes the detection to touch panel.
As shown in Figure 1, be provided with a groove 14 in first load bearing unit 10,, touch panel to be detected 11 be not subjected to displacement during at its surperficial paddling at detecting pen in order to carry touch panel to be detected 11.First load bearing unit 10 is provided with X-axis contraposition regulator 12 and Y-axis contraposition regulator 13, is used to regulate the position of touch panel to be detected 11, makes its golden finger position promptly carry out contraposition in the second golden finger position of the first golden finger position and flexible PCB.
Vacuum table 200 is provided with the contraposition camera head, but Real Time Observation is to the alignment situation at the first golden finger position and the second golden finger position.
Second load bearing unit 20 is used to carry flexible PCB 21, in order to prevent that flexible PCB 21 is subjected to displacement in the process of test, in this embodiment, the top of second load bearing unit 20 is provided with a stationary installation 23, and stationary installation 23 is positioned at flexible PCB 21 tops with fixing flexible circuit board 21.
Referring to shown in Figure 2, the bottom surface of stationary installation 23 also further is provided with positioning element and buffering parts, in this embodiment, positioning element is a pilot hole 24, buffer unit is a rubber strip 25, for example, the position at some fixed pins 24 ' place is set to pilot hole 24 on the touch panel 11 that can be to be detected.The effect of positioning element and buffering parts is to make things convenient for camera head location, and guarantees that flexible PCB is not subjected to displacement during at the surperficial paddling of touch panel when test pen.
Referring to shown in Figure 3, be the synoptic diagram of touch panel linearity test device in the another embodiment of the present invention.In this embodiment, 3 test fixtures 100 have been arranged side by side on the vacuum table 200, each test fixture 100 can both independently be adjusted the position of touch panel to be detected 11, has reduced the tolerance that exists between the proving installation, has improved detection efficiency and degree of accuracy.
Fig. 4 is the process flow diagram of touch panel linearity method of testing of the present invention.Referring to Fig. 4 and in conjunction with shown in Figure 1, step S10 provides a touch panel 11 to be detected, and this touch panel to be detected 11 comprises the first golden finger position; Step S20 provides a flexible PCB 21, and this flexible PCB 21 comprises the second golden finger position, and described flexible PCB 21 links to each other with host computer by output line road 22; Step S30 carries out contraposition by a contraposition camera head, adjusts the X axis at place of described touch panel to be tested and Y-axis to the position, and its first golden finger position is electrically connected with the second golden finger position of described flexible PCB 21; And step S40, on described touch panel to be detected 11, moving according to the path of setting with a test pen, the signal that produces is passed to host computer by output line road 22.
As shown in Figure 5, be the mobile route synoptic diagram of test pen on touch panel to be detected 11.Wherein the A point is the starting point of linear test, b is linear test path, for guaranteeing the accuracy of test path b, can set some telltale marks, the detection starting point A of touch panel 11 each to be detected is consistent to the X axis vertical range d of fixed pin 24 ' when for example, setting test.
Thus, the invention solves the not detection problem of the touch panel of fixedly connected flexible PCB, reduced industrial cost, improved detection efficiency.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, the technical staff in the technical field of the invention, without departing from the spirit and scope of the invention; when can doing various changes and retouching, so the present invention's protection domain is when being as the criterion with claim.
Claims (10)
1. a touch panel linearity test device is characterized in that, comprises at least:
Test fixture, described test fixture comprise first load bearing unit and second load bearing unit;
First load bearing unit is used to carry touch panel to be detected;
Second load bearing unit is used to carry flexible PCB, and described flexible PCB links to each other with host computer by the output line road;
Vacuum table is used to carry described test fixture, also is provided with the contraposition camera head on the described vacuum table;
Described touch panel to be detected comprises the first golden finger position, described flexible PCB comprises the second golden finger position, described first load bearing unit is provided with X-axis contraposition regulator and Y-axis contraposition regulator, be used to adjust the position of described touch panel to be detected, the two is electrically connected by described first, second golden finger position to make this touch panel to be detected and described flexible PCB; And
Test pen is used for moving on touch panel to be detected according to the path of setting.
2. touch panel linearity test device according to claim 1 is characterized in that, described second load bearing unit also comprises location parts, and this positioning element is arranged at described flexible PCB top.
3. touch panel linearity test device according to claim 2 is characterized in that, described positioning element is pilot hole or telltale mark.
4. touch panel linearity test device according to claim 1 is characterized in that, described second load bearing unit also comprises buffer unit, and this buffer unit is arranged at described flexible PCB top.
5. touch panel linearity test device according to claim 4 is characterized in that, described buffer unit is a rubber strip.
6. a touch panel linearity method of testing is used to test the touch panel without fixedly connected flexible PCB, it is characterized in that described method comprises at least:
One touch panel to be detected is provided, and this touch panel to be detected comprises the first golden finger position;
One flexible PCB, this flexible PCB comprise the second golden finger position, and described flexible PCB links to each other with host computer by the output line road;
Carry out contraposition by a contraposition camera head, adjust the X axis at place of described touch panel to be detected and Y-axis, its first golden finger position is electrically connected with the second golden finger position of described flexible PCB to the position; And
On described touch panel to be detected, moving according to the path of setting with a test pen, the signal that produces is being passed to host computer by described output line road.
7. touch panel linearity method of testing according to claim 6 is characterized in that, described contraposition camera head is by carrying out contraposition with reference to a positioning element that is arranged at described flexible PCB top.
8. touch panel linearity method of testing according to claim 7 is characterized in that, described positioning element is pilot hole or telltale mark.
9. touch panel linearity method of testing according to claim 6 is characterized in that, described flexible PCB top is provided with a buffer unit.
10. touch panel linearity test device according to claim 9 is characterized in that, described buffer unit is a rubber strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910205287A CN101697103A (en) | 2009-10-14 | 2009-10-14 | Touch panel linearity test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910205287A CN101697103A (en) | 2009-10-14 | 2009-10-14 | Touch panel linearity test device and method |
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|---|---|
| CN101697103A true CN101697103A (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910205287A Pending CN101697103A (en) | 2009-10-14 | 2009-10-14 | Touch panel linearity test device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383600A (en) * | 2012-05-03 | 2013-11-06 | 杨志沅 | Linearity testing device and method |
| CN104793832A (en) * | 2015-05-12 | 2015-07-22 | 京东方科技集团股份有限公司 | Touch screen detection device and method |
| CN106900169A (en) * | 2017-01-06 | 2017-06-27 | 广东小天才科技有限公司 | The detection method of display screen testing equipment and display screen |
| CN110146262A (en) * | 2019-04-25 | 2019-08-20 | 上海大学 | A kind of plate-shaped means fixture |
-
2009
- 2009-10-14 CN CN200910205287A patent/CN101697103A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383600A (en) * | 2012-05-03 | 2013-11-06 | 杨志沅 | Linearity testing device and method |
| CN104793832A (en) * | 2015-05-12 | 2015-07-22 | 京东方科技集团股份有限公司 | Touch screen detection device and method |
| US9823759B2 (en) | 2015-05-12 | 2017-11-21 | Boe Technology Group Co., Ltd. | Touch panel scribing detection device and touch panel scribing detection method |
| CN106900169A (en) * | 2017-01-06 | 2017-06-27 | 广东小天才科技有限公司 | The detection method of display screen testing equipment and display screen |
| CN110146262A (en) * | 2019-04-25 | 2019-08-20 | 上海大学 | A kind of plate-shaped means fixture |
| CN110146262B (en) * | 2019-04-25 | 2020-11-20 | 上海大学 | Plate-shaped device clamp |
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Application publication date: 20100421 |