CN105842574A - Touch panel testing device and testing method thereof - Google Patents
Touch panel testing device and testing method thereof Download PDFInfo
- Publication number
- CN105842574A CN105842574A CN201510015995.3A CN201510015995A CN105842574A CN 105842574 A CN105842574 A CN 105842574A CN 201510015995 A CN201510015995 A CN 201510015995A CN 105842574 A CN105842574 A CN 105842574A
- Authority
- CN
- China
- Prior art keywords
- signal transmssion
- voltage
- those
- line
- touch panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 103
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 abstract description 21
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The invention provides a touch panel testing device and a testing method thereof. When the coupling relation between each signal transmission line and the test voltage is switched, the voltage of the signal transmission line on the touch panel is sensed to obtain a sensing result, and whether the short circuit exists between the signal transmission lines or between the signal transmission line and the ground is judged according to the sensing result.
Description
Technical field
The invention relates to a kind of test device, and in particular to a kind of testing apparatus of touch panel
And method of testing.
Background technology
Along with making rapid progress of technology, either notebook, mobile phone or portable media player etc.
Electronic installation, the most gradually utilizes contact panel to replace conventional keyboard using as a new generation's input interface.Its
Middle capacitance type touch-control panel is widely used because having the characteristic of multi-point touch.
In general, the design of capacitance type touch-control panel be substrate surface formed a plurality of touch-control scan line with
Touch-control sensing line.When user with finger or conductive body close to or the table of touch capacitor type contact panel
During face, the capacitance on touch-control sensing line can occur the change of correspondence.Capacitance type touch-control panel can be by electricity
Capacitance change carries out sensing and the calculating of position of touch.But contact panel its touch-control when producing is swept
Retouch line and touch-control sensing line all it may happen that the problem of short circuit, therefore the making of contact panel must be completed
After test, to problematic for generation panel is screened.The sensing of capacitance type touch-control panel is just
Really property relies primarily on each touch-control scan line and the electric characteristics of touch-control sensing line and determines, therefore, if touch-control
Scan line and touch-control sensing line have the situation of short circuit that the correctness of touch-control sensing occurs greatly to affect.
Traditionally, this short circuit problem need to be tested by expensive instrument, and increases the detection of contact panel
Cost.
Summary of the invention
The present invention provides a kind of testing apparatus of touch panel and method of testing thereof, can detect touching of contact panel
Control scan line or the short circuit condition of touch-control sensing line, effectively reduce testing cost.
The testing apparatus of touch panel of the present invention, including switch element, control unit and multiple sensing list
Unit；Wherein switch element couples a plurality of signal transmssion line on contact panel；It is single that control unit couples switch
Unit, controls switch element and changes and couple relation between each signal transmssion line and test voltage；Multiple sensings are single
Unit couples control unit, controls switch element in control unit and switches between each signal transmssion line and test voltage
Couple relation while, the voltage on sensing signal transmission line, control unit according to sensing unit sense
Survey result to judge between signal transmssion line or the most short-circuit between signal transmssion line and ground connection.
In one embodiment of this invention, above-mentioned switch element includes multiple switch and multiplexer unit.
Multiple switches are respectively coupled to above-mentioned multiple signal transmssion line and test voltage.Multiplexer unit, couples out
Close and control unit, be controlled by control unit switching switch, to change signal transmssion line and test voltage
Couple relation.
In one embodiment of this invention, wherein control unit controls multiplexer unit and switches switch in turn,
So that each signal transmssion line is coupled to test voltage in turn, and according to the sensing result judgement of sensing unit it is
Voltage on no at least two bars transmission lines is equal to test voltage, if at least two bars transmission lines
Voltage is equal to test voltage, it is judged that short circuit between this at least two bars transmission line.
In one embodiment of this invention, wherein when either signal transmission line is coupled to test voltage, its
Remaining signal transmssion line is coupled to the sensing unit of correspondence.
In one embodiment of this invention, above-mentioned testing apparatus of touch panel, also include direct voltage source
And electric capacity.Wherein direct voltage source is coupled between multiplexer unit and ground connection.First end of electric capacity
Coupling direct voltage source and multiplexer unit, the second end of electric capacity couples ground connection, provides at the first end and surveys
Examination voltage is to signal transmssion line.
In one embodiment of this invention, wherein control unit controls multiplexer unit switching switch, with
Each signal transmssion line is made to be coupled to the input sensing unit of correspondence, and according to the sensing knot of sensing unit
Fruit judges whether the voltage on signal transmssion line is equal to the voltage of ground connection, if the electricity of at least one signal transmssion line
Pressure is equal to the voltage of ground connection, it is judged that short circuit between this at least one signal transmssion line and ground connection.
In one embodiment of this invention, wherein sensing unit includes analog/digital converter, controls single
Unit includes microcontroller.
In one embodiment of this invention, wherein signal transmssion line includes touch-control scan line, touch-control sensing line.
The present invention provides the method for testing of a kind of testing apparatus of touch panel, wherein testing apparatus of touch panel
The multiple switches coupled including signal transmssion line a plurality of with on contact panel, the survey of testing apparatus of touch panel
Method for testing comprises the following steps: to be switched between each signal transmssion line and test voltage by above-mentioned multiple switches
Couple relation；Voltage on sensing signal transmission line is to obtain sensing result；Letter is judged according to sensing result
Whether short circuit between number transmission line or between signal transmssion line and ground connection.
In one embodiment of this invention, above-mentioned switch is for be alternately switched, and makes each signal transmssion line
It is coupled to test voltage in turn, judges step the most short-circuit between signal transmssion line also according to sensing result
Comprise the following steps: that the voltage judging whether at least two bars transmission lines according to sensing result is equal to survey
Examination voltage；If the voltage at least two bars transmission lines is equal to test voltage, it is judged that these at least two letters
Short circuit between number transmission line.
In one embodiment of this invention, above-mentioned each signal transmssion line is switched the sensing list being coupled to correspondence
According to sensing result, the input of unit, judges that step the most short-circuit between signal transmssion line and ground connection is also wrapped
Include the following step: whether the voltage judging on signal transmssion line according to sensing result is equal to the voltage of ground connection；
If the voltage at least one signal transmssion line is equal to the voltage of ground connection, it is judged that this at least one signal transmssion line with
Short circuit between ground connection.
Based on above-mentioned, embodiments of the invention couple pass between each signal transmssion line and test voltage switching
While system, the voltage on sensing signal transmission line, and judge between signal transmssion line according to sensing result
Or it is the most short-circuit between signal transmssion line and ground connection.Detection touch-control scan line or touch-control sensing line in this way
Short circuit condition, test circuit can be simplified, effectively reduce testing cost.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate
Accompanying drawing is described in detail below.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the testing apparatus of touch panel of one embodiment of the invention；
Fig. 2 illustrates the schematic diagram of the testing apparatus of touch panel of another embodiment of the present invention；
Fig. 3 illustrates the schematic diagram of the testing apparatus of touch panel of another embodiment of the present invention；
Fig. 4 illustrates the schematic diagram of the testing apparatus of touch panel of another embodiment of the present invention；
Fig. 5 illustrates the flow process signal of the method for testing of the testing apparatus of touch panel of one embodiment of the invention
Figure；
Fig. 6 illustrates the flow process signal of the method for testing of the testing apparatus of touch panel of another embodiment of the present invention
Figure；
Fig. 7 illustrates the flow process signal of the method for testing of the testing apparatus of touch panel of another embodiment of the present invention
Figure.
Description of reference numerals:
102: switch element；
104_1～104_4,302_1～302_3: sensing unit；
106: control unit；
202: multiplexer unit；
L1～L4, L1'～L3': signal transmssion line；
V1: test voltage；
SW1～SW4, SW1'～SW3': switch；
Vs: direct voltage source；
C1: electric capacity；
S502～S506, S602～S610, S702～S710: step.
Detailed description of the invention
Fig. 1 illustrates the schematic diagram of the testing apparatus of touch panel of one embodiment of the invention, refer to Fig. 1.
Testing apparatus of touch panel includes switch element 102, sensing unit 104_1～104_4 and control unit
106, wherein control unit 106 couples switch element 102 and sensing unit 104_1～104_4, and switch is single
Unit 102 couples signal transmssion line L1～L4 on contact panel with sensing unit 104_1～104_4.At this
In embodiment, signal transmssion line L1～L4 is touch-control sensing line, but is not limited, signal transmssion line
L1～L4 is alternatively touch-control scan line.Additionally, be ease of explanation, the present embodiment is with 4 bars transmission lines
The explanation of testing apparatus of touch panel is carried out as a example by L1～L4 and 4 sensing unit 104_1～104_4, but
It is that the number of sensing unit and signal transmssion line is not limited with the present embodiment.
Control unit 106 controllable switch unit 102 changes signal transmssion line L1～L4 and test voltage
Coupling relation between V1, sensing unit 104_1～104_4 then can be in switch element 102 switching signal
Between transmission line L1～L4 and test voltage V1 couple relation while, sensing signal transmission line L1～L4
On voltage.So, control unit 106 just can be according to the sensing result of sensing unit 104_1～104_4
Judge between signal transmssion line L1～L4 or whether short circuit between signal transmssion line L1～L4 and ground connection.By
May utilize simple circuit in testing apparatus of touch panel to implement, it can be such as with circuit board or chip (example
As panel tester is integrated in touch chip) implement, therefore can effectively reduce testing cost,
The volume of reduction face board test device.
Fig. 2 illustrates the schematic diagram of the testing apparatus of touch panel of another embodiment of the present invention, refer to Fig. 2.
Specifically, above-mentioned switch element 102 can such as include switching SW1～SW4 and multiplexer unit
202, sensing unit 104_1～104_4 can implement with analog/digital converter in the present embodiment, and
Control unit 106 then can be implemented with microcontroller.Its breaker in middle SW1～SW4 is respectively coupled to signal and passes
Defeated line L1～L4, and couple multiplexer unit 202, multiplexer unit 202 is also coupled to control unit
106.Additionally, testing apparatus of touch panel can also include direct voltage source Vs and electric capacity in the present embodiment
C1, direct voltage source Vs are coupled between multiplexer unit 202 and ground connection, and the first of electric capacity C1
End couples direct voltage source Vs and multiplexer unit 202, and second end of electric capacity C1 then couples ground connection.
Direct voltage source Vs and electric capacity C1 can be surveyed with switch SW1～SW4 offer by multiplexer unit 202
Voltage V1 is to signal transmssion line L1～L4 in examination.
Control unit 106 controllable multi-route Multiplexing Unit 202 switching switch SW1～SW4, to change letter
Number transmission line L1～L4 couples relation with test voltage V1.In the present embodiment, control unit 106
Control multiplexer unit 202 and switch switch SW1～SW4 in turn, so that signal transmssion line L1～L4 wheel
Stream is coupled to test voltage V1.While multiplexer unit 202 switches switch SW1～SW4 in turn,
Sensing unit 104_1～104_4 can the on one side voltage on sensing signal transmission line L1～L4, and will sense
Voltage signal transfer digital signal to and send control unit 106 to and (sense unit in the present embodiment
104_1～104_4 is analog/digital converter, and control unit 106 is microcontroller) so that controlling
Unit 106 judges whether to read the capacitance of electric capacity C1 from signal transmssion line L1～L4.If wherein
The situation that there is no short circuit between signal transmssion line L1～L4 occurs, then control unit 106 only can be from leading with being in
The signal transmssion line that logical state of switch is corresponding reads the capacitance of electric capacity C1, and cannot believe from remaining
The capacitance (namely the capacitance sensed is 0) of electric capacity C1 is read on number transmission line.
If control unit 106 judges at least two according to the sensing result of sensing unit 104_1～104_4
Voltage on signal transmssion line is equal to test voltage V1, namely reads at least two bars transmission lines
The capacitance of electric capacity C1, represents and has the situation of short circuit to occur between this at least two bars transmission line.Citing comes
Saying, Fig. 2 embodiment breaker in middle SW1 is conducting state, if now sensing unit 104_1,104_2 sense
The voltage measuring signal transmssion line L1, L2 is equal to test voltage V1, namely control unit 106 is from signal
Transmission line L1, L2 read the capacitance of electric capacity C1, i.e. have short between representation signal transmission line L1, L2
The situation on road occurs.Otherwise, if the capacitance of electric capacity C1 only can be read from signal transmssion line L1, then
All without the situation generation of short circuit between representation signal transmission line L1 and other signal transmssion lines L2～L4.
Fig. 3 illustrates the schematic diagram of the testing apparatus of touch panel of another embodiment of the present invention.Refer to Fig. 3,
Signal transmssion line L1'～L3' is scanning sense wire in the present embodiment, but is not limited, and signal transmits
Line L1'～L3' is alternatively touch-control sensing line.Additionally, be ease of explanation, the present embodiment transmits with 3 bars
The explanation of testing apparatus of touch panel is carried out as a example by line L1'～L3' and 3 sensing unit 302_1～302_3,
But sensing unit is not limited with the present embodiment with the number of signal transmssion line.With Fig. 2 embodiment more
Except for the difference that, switch SW1'～SW3' included by switch element 102 is controlled by the present embodiment
Multiplexer unit 202 and being switched is coupled to test voltage or the input of sensing unit 302_1～302_3
End.In some embodiments, test voltage is alternatively other voltage, and is not limited to connecing of the present embodiment
The voltage on ground.
The embodiment of similar Fig. 2, in the fig. 3 embodiment, control unit 106 controls multiplexing list
Unit 202 switching switch SW1'～SW3' in turn, so that signal transmssion line L1'～L3' is coupled to ground connection in turn,
Wherein when either signal transmission line is coupled to ground connection, remaining signal transmssion line is the sensing being coupled to correspondence
Unit.If the situation that wherein there is no short circuit between signal transmssion line L1'～L3' occurs, the most only it is couple to ground connection
The sensing unit corresponding to signal transmssion line can sense the voltage of ground connection, remaining sensing unit is then felt
Measure signal transmssion line and be in the state of suspension joint.If control unit 106 is according to sensing unit 302_1～302_3
Sensing result judge voltage at least two bars transmission lines voltage equal to ground connection, represent this extremely
The situation having short circuit between few two bars transmission lines occurs.For example, Fig. 3 embodiment breaker in middle SW1'
For being coupled to ground connection, if now sensing unit 302_1,302_2 senses signal transmssion line L1', L2'
On voltage equal to the voltage of ground connection, i.e. have the situation of short circuit to occur between representation signal transmission line L1', L2'.
Otherwise, if the voltage only sensed on signal transmssion line L1' is equal to the voltage of ground connection, then representation signal passes
All without the situation generation of short circuit between defeated line L1' and other signal transmssion lines L2', L3'.
Fig. 4 illustrates the schematic diagram of the testing apparatus of touch panel of another embodiment of the present invention.Refer to Fig. 4,
When needing to detect the situation whether having short circuit between each signal transmssion line L1'～L3' and ground connection, control unit
106 controllable multi-route Multiplexing Units 202 signal transmssion line L1'～L3' is switched be coupled to corresponding
The input of sensing unit 302_1～302_3.Control unit 106 can be according to sensing unit 302_1～302_3
Sensing result judge the voltage on signal transmssion line L1'～L3' whether equal to the voltage of ground connection, if having any
The voltage of signal transmssion line equal to the voltage of ground connection, represent and have short circuit between this signal transmssion line and ground connection
Situation occur.
Fig. 5 illustrates the flow process signal of the method for testing of the testing apparatus of touch panel of one embodiment of the invention
Figure.From above-described embodiment, the method for testing of testing apparatus of touch panel can comprise the following steps.First
First switch multiple switches that a plurality of signal transmssion line couples with on contact panel, to change each signal transmssion line
And the relation that couples (step S502) between test voltage.Then, the voltage on sensing signal transmission line is to obtain
To sensing result (step S504).Finally, then judge between signal transmssion line or signal according to sensing result
Between transmission line and ground connection the most short-circuit (step S506).
Specifically, time the most short-circuit between detection signal transmssion line, its flow process can be such as Fig. 6 (Fig. 6
The schematic flow sheet of the method for testing of the testing apparatus of touch panel of another embodiment of the present invention is shown) shown in,
First, switch above-mentioned multiple switch in alternating way, so that each signal transmssion line is coupled to survey in turn
Examination voltage (step S602), the voltage on sensing signal transmission line is to obtain sensing result (step the most again
S604).Then judge whether that the voltage at least two bars transmission lines is equal to test electricity according to sensing result
Pressure (step S606), if the voltage at least two bars transmission lines is equal to test voltage, then judges this extremely
Short circuit (step S608) between few two bars transmission lines, otherwise, then without short circuit between representation signal transmission line
Situation (step S610).
Additionally, when detecting between signal transmssion line and ground connection whether short circuit, its flow process can be such as Fig. 7 (Fig. 7
The schematic flow sheet of the method for testing of the testing apparatus of touch panel of another embodiment of the present invention is shown) shown in,
First, the switching of each signal transmssion line is coupled to the input (step S702) of the sensing unit of correspondence.Connect
, the voltage on sensing signal transmission line is to obtain sensing result (step S704).Then according to sensing knot
Fruit judges whether the voltage on signal transmssion line is equal to the voltage (step S706) of ground connection.If at least one signal
Voltage on transmission line is equal to the voltage of ground connection, it is judged that short circuit between this at least one signal transmssion line and ground connection
(step S708), otherwise, then without the situation (step S710) of short circuit between representation signal transmission line and ground connection.
In sum, embodiments of the invention couple pass between each signal transmssion line and test voltage switching
While system, the voltage on sensing signal transmission line, and judge between signal transmssion line according to sensing result
Or it is the most short-circuit between signal transmssion line and ground connection.Detection touch-control scan line or touch-control sensing line in this way
Short circuit condition, test circuit can be simplified, effectively reduce testing cost.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a testing apparatus of touch panel, it is characterised in that including:
One switch element, couples a plurality of signal transmssion line on a contact panel；
One control unit, couples this switch element, control this switch element change respectively this signal transmssion line with
Relation is coupled between one test voltage；And
Multiple sensing unit, couple this control unit, control the switching of this switch element in this control unit each
Between this signal transmssion line and this test voltage couple relation while, sense on those signal transmssion lines
Voltage, this control unit judge between those signal transmssion lines according to sensing result of those sensing unit or
Whether short circuit between those signal transmssion lines and a ground connection.
Testing apparatus of touch panel the most according to claim 1, it is characterised in that this switch element
Including:
Multiple switches, are respectively coupled to those signal transmssion lines and this test voltage；And
One multiplexer unit, couples those switches and this control unit, is controlled by the switching of this control unit
Those switches, couple relation with change those signal transmssion lines and this test voltage.
Testing apparatus of touch panel the most according to claim 2, it is characterised in that this control unit
Control this multiplexer unit and switch those switches in turn, so that respectively this signal transmssion line is coupled to this in turn
Test voltage, and judge whether at least two bars transmission lines according to the sensing result of those sensing unit
Voltage equal to this test voltage, if the voltage on this at least two bars transmission line is equal to this test voltage,
Judge short circuit between this at least two bars transmission line.
Testing apparatus of touch panel the most according to claim 3, it is characterised in that when arbitrary those
When signal transmssion line is coupled to this test voltage, remaining those signal transmssion line is coupled to those senses of correspondence
Survey unit.
Testing apparatus of touch panel the most according to claim 3, it is characterised in that also include:
One direct voltage source, is coupled between this multiplexer unit and this ground connection；And
One electric capacity, its first end couples this direct voltage source and this multiplexer unit, the second of this electric capacity
End couples this ground connection, provides this test voltage to those signal transmssion lines at this first end.
Testing apparatus of touch panel the most according to claim 2, it is characterised in that this control unit
Control this multiplexer unit and switch those switches, so that respectively this signal transmssion line is coupled to those of correspondence
The input of sensing unit, and judge on those signal transmssion lines according to the sensing result of those sensing unit
Voltage whether equal to the voltage of this ground connection, if the voltage of at least one signal transmssion line is equal to the electricity of this ground connection
Pressure, it is judged that short circuit between this at least one signal transmssion line and this ground connection.
Testing apparatus of touch panel the most according to claim 1, it is characterised in that those sense single
Unit includes an analog/digital converter, and this control unit includes a microcontroller.
Testing apparatus of touch panel the most according to claim 1, it is characterised in that those signals pass
Defeated line includes a touch-control scan line, a touch-control sensing line.
9. the method for testing of a testing apparatus of touch panel, it is characterised in that this contact panel test dress
Put the multiple switches including that a plurality of signal transmssion line couples with on contact panel, this testing apparatus of touch panel
Method of testing comprise the following steps:
Respectively relation is coupled between this signal transmssion line and a test voltage by those switch switchings；
Sense the voltage on those signal transmssion lines to obtain a sensing result；And
Judge between those signal transmssion lines according to this sensing result or those signal transmssion lines and a ground connection it
Between whether short circuit.
The method of testing of testing apparatus of touch panel the most according to claim 9, it is characterised in that
Those switches are for be alternately switched, and make respectively this signal transmssion line be coupled to this test voltage in turn, depend on
Judge that step the most short-circuit between those signal transmssion lines also includes according to this sensing result:
Judge whether that the voltage at least two bars transmission lines is equal to this test electricity according to this sensing result
Pressure: and
If the voltage on this at least two bars transmission line is equal to this test voltage, it is judged that these at least two letters
Short circuit between number transmission line.
The method of testing of 11. testing apparatus of touch panel according to claim 9, it is characterised in that
Respectively this signal transmssion line is switched the input of the sensing unit being coupled to correspondence, sentences according to this sensing result
Disconnected step the most short-circuit between those signal transmssion lines and this ground connection also includes:
Judge whether the voltage on those signal transmssion lines is equal to the voltage of this ground connection according to this sensing result；
And
If the voltage at least one signal transmssion line is equal to the voltage of this ground connection, it is judged that this at least one signal passes
Short circuit between defeated line and this ground connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103140452 | 2014-11-21 | ||
| TW103140452A TW201619791A (en) | 2014-11-21 | 2014-11-21 | Test apparatus for touch panel and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105842574A true CN105842574A (en) | 2016-08-10 |
Family
ID=56755002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015995.3A Pending CN105842574A (en) | 2014-11-21 | 2015-01-13 | Touch panel testing device and testing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105842574A (en) |
| TW (1) | TW201619791A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997249A (en) * | 2017-03-15 | 2017-08-01 | 武汉华星光电技术有限公司 | A kind of display panel and its fault testing method with touch controllable function |
| CN107808112A (en) * | 2016-09-09 | 2018-03-16 | 奇景光电股份有限公司 | Dermatoglyph identification device and its recognition methods |
| CN112558816A (en) * | 2020-12-25 | 2021-03-26 | 昆山龙腾光电股份有限公司 | Touch substrate testing device and touch substrate testing method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI629631B (en) * | 2016-12-30 | 2018-07-11 | 禾瑞亞科技股份有限公司 | Multi-channel touch controller with channel switching circuit |
| CN107037928B (en) * | 2017-04-27 | 2019-11-05 | 厦门天马微电子有限公司 | A kind of touch panel and its test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2819230Y (en) * | 2005-08-10 | 2006-09-20 | 北京联合大学 | Cable inspector |
| CN101937038A (en) * | 2009-07-02 | 2011-01-05 | 中国第一汽车集团公司无锡油泵油嘴研究所 | Intelligent multi-core cable harness detection device |
| CN102809707A (en) * | 2011-05-19 | 2012-12-05 | 马克西姆综合产品公司 | Touch panel testing using mutual capacitor measurements |
| CN103926497A (en) * | 2013-01-10 | 2014-07-16 | 上海海尔集成电路有限公司 | Test apparatus and method for touch screen module, and touch screen module |
| CN104122480A (en) * | 2014-07-30 | 2014-10-29 | 浪潮集团有限公司 | Method for testing whether wire resistors of capacitance shield to be short-circuited |
-
2014
- 2014-11-21 TW TW103140452A patent/TW201619791A/en unknown
-
2015
- 2015-01-13 CN CN201510015995.3A patent/CN105842574A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2819230Y (en) * | 2005-08-10 | 2006-09-20 | 北京联合大学 | Cable inspector |
| CN101937038A (en) * | 2009-07-02 | 2011-01-05 | 中国第一汽车集团公司无锡油泵油嘴研究所 | Intelligent multi-core cable harness detection device |
| CN102809707A (en) * | 2011-05-19 | 2012-12-05 | 马克西姆综合产品公司 | Touch panel testing using mutual capacitor measurements |
| CN103926497A (en) * | 2013-01-10 | 2014-07-16 | 上海海尔集成电路有限公司 | Test apparatus and method for touch screen module, and touch screen module |
| CN104122480A (en) * | 2014-07-30 | 2014-10-29 | 浪潮集团有限公司 | Method for testing whether wire resistors of capacitance shield to be short-circuited |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808112A (en) * | 2016-09-09 | 2018-03-16 | 奇景光电股份有限公司 | Dermatoglyph identification device and its recognition methods |
| CN107808112B (en) * | 2016-09-09 | 2020-03-24 | 奇景光电股份有限公司 | Dermatoglyph recognition device and method |
| CN106997249A (en) * | 2017-03-15 | 2017-08-01 | 武汉华星光电技术有限公司 | A kind of display panel and its fault testing method with touch controllable function |
| CN106997249B (en) * | 2017-03-15 | 2020-02-04 | 武汉华星光电技术有限公司 | Display panel with touch function and fault testing method thereof |
| CN112558816A (en) * | 2020-12-25 | 2021-03-26 | 昆山龙腾光电股份有限公司 | Touch substrate testing device and touch substrate testing method |
| CN112558816B (en) * | 2020-12-25 | 2024-03-12 | 昆山龙腾光电股份有限公司 | Touch substrate testing device and touch substrate testing method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201619791A (en) | 2016-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105842574A (en) | Touch panel testing device and testing method thereof | |
| KR101641745B1 (en) | Negative pixel compensation | |
| CN102169400B (en) | Electrostatic capacity type touch sensor | |
| US10496215B2 (en) | Sensing for touch and force | |
| AU2014254406B2 (en) | Disambiguation of touch input events on a touch sensor panel | |
| JP5792334B2 (en) | Capacitance panel control point detection method and apparatus | |
| KR20140010859A (en) | Gain correction for fast panel scanning | |
| CN103389805A (en) | Coordinate indicating apparatus and coordinate measurement apparatus for measuring input position of coordinate indicating apparatus | |
| CN102369502A (en) | Touch sensor device | |
| US8686735B2 (en) | Input device receiver path and transmitter path error diagnosis | |
| US20110210938A1 (en) | Capacitance Offset Compensation for Electronic Device | |
| CN103777828A (en) | Touch panel device capable of recombining sensing points and sensing method | |
| US10521064B2 (en) | Capacitance detection device and driving method of the same | |
| CN106775162A (en) | Touch-control display panel and its driving method, touch control display apparatus | |
| EP3053272B1 (en) | Apparatus for sensing touch and parameters | |
| CN106066748B (en) | Sensor electrode path fault diagnosis | |
| US10168847B2 (en) | Sensor electrode path error diagnosis | |
| CN110618762A (en) | Conductive guide for proximity sensing device | |
| CN105283827A (en) | Position detection device | |
| CN107656169A (en) | The detection method of display panel, display device and display panel | |
| CN109917943A (en) | Pressure sensitive mould group and touching display screen | |
| KR20140072821A (en) | Multitouch tactile device with multifrequency and barycentric capacitive detection | |
| GB2621981A (en) | Touch-sensitive system and method | |
| US20130342503A1 (en) | Signal Enhancing Method for Capacitive Touch Panel of Mobile Device | |
| CN117762274A (en) | Proximity detection device, touch display screen and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |