CN103926496B - The test device and method and touch-screen module of touch-screen module - Google Patents
The test device and method and touch-screen module of touch-screen module Download PDFInfo
- Publication number
- CN103926496B CN103926496B CN201310009791.XA CN201310009791A CN103926496B CN 103926496 B CN103926496 B CN 103926496B CN 201310009791 A CN201310009791 A CN 201310009791A CN 103926496 B CN103926496 B CN 103926496B
- Authority
- CN
- China
- Prior art keywords
- detection
- line
- measured
- circuit
- switch
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/965—Switches controlled by moving an element forming part of the switch
- H03K2217/9651—Switches controlled by moving an element forming part of the switch the moving element acting on a force, e.g. pressure sensitive element
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
- Human Computer Interaction (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention provides the test device and method and touch-screen module of a kind of touch-screen module.The test device includes：Driving switch, is connected between drives line and drive circuit respectively；Detection switch, is connected between detection line and detection circuit respectively；Test oneself electric capacity；Drive end capacitance switch, connects with driving switch respectively, and is connected in parallel to the first end for electric capacity of testing oneself；Test side capacitance switch, connects with detection switch respectively, and is connected in parallel to the second end of electric capacity of testing oneself；Control module, for according to setting path inspection policies, control respectively to switch on-off state, and controls each drive circuit to send drive signal, and the detection signal obtained according to each detection circuit determines the path fault of signal wire.Functional automatically control completion path of the present invention based on control chip is detected, improves operating efficiency.
Description
Technical field
The present invention relates to test device and method and the touch of electric test technology, more particularly to a kind of touch-screen module
Shield module.
Background technology
In recent years, with the appearance of touch technology, the man-machine interaction experience of electronic product there occurs earth-shaking change
Change.Touch technology is more and more applied in electronic equipment of various, such as tablet personal computer, smart mobile phone, GPS navigator
Deng.Capacitance touching control technology due to good support multiple point touching, capacitance touch control screen wear-resistant service life is long the advantages of,
And developed rapidly, its product is used widely.
Capacitive touch screen module include touch-screen, control chip and connection touch-screen and control chip winding displacement or
Circuit board.Abreast several drives lines, several detection lines and ground wire typically are laid with touch-screen, drives line and detection line are mutual
Vertically.Drives line and detection line are interlaced, but and be not attached to, crosspoint can regard an electric capacity as.Set in control chip
It is equipped with drive circuit and detection circuit.Drive circuit is corresponding with drives line, and the drive signal for producing certain frequency is supplied to
Drives line.Detect that circuit is corresponding with detection line to be connected, can detect the detection signal that identical frequency but amplitude have decayed.In work
Make under state, control chip can control drive circuit to send drive signal successively, while controlling what detection electric circuit inspection was received
The signal intensity of signal is detected, such as the voltage magnitude of pulse signal.After the frame data of refreshing one of control chip completely, i.e.,
The whole touch-screen of complete scanning, each unit being set as is enclosed by drives line and detection line can be by detecting that signal obtains one
The numerical value of representation signal intensity.The electricity between drives line and detection line will be changed by body capacitance when people touches touch-screen
Capacitance, so that the detection signal intensity reduction that detection line is received, then control chip can detect the letter of which unit accordingly
Number Strength Changes, so as to recognize specific touch location.
Due to having a large amount of drives lines, detection line and ground wire equisignal line on touch-screen, so going out unavoidably in the fabrication process
The short circuit of existing circuit or breaking phenomena, then need to filter out defect ware before dispatching from the factory.To filter out defect ware in the application, be by
The module that touch-screen, control chip and winding displacement are combined, carries out unified test.But no matter which element is problematic, entirely
Module will be lost, and cost analysis is unfavorable.Therefore preferably method is separated test.Currently for touch-screen and control chip it
Between signal path short circuit/out of circuit test still without ripe method.
Signal path between prior art testing and control chip and touch-screen, with the presence or absence of short circuit or open circuit, is to use probe
Remove to test single signal wire respectively with the presence or absence of short circuit or open circuit.Such a method can be measured, but troublesome poeration, to instrument
It is required that higher, it is impossible to quickly tested.
The content of the invention
The present invention provides the test device and method and touch-screen module of a kind of touch-screen module, so as to flexible, quick
Signal path failure between ground test touch screen and chip.
The embodiments of the invention provide a kind of test device of touch-screen module, including：
N number of driving switch, is connected between N bars drives line and corresponding drive circuit respectively；
N number of detection switch, is connected between N bars detection line and corresponding detection circuit respectively；
Test oneself electric capacity；
N number of drive end capacitance switch, connects with N number of driving switch respectively, and is connected in parallel to the first end for electric capacity of testing oneself；
N number of test side capacitance switch, connects with N number of detection switch respectively, and is connected in parallel to the second end of electric capacity of testing oneself；
Control module, for according to setting path inspection policies, controlling N number of driving switch, N number of detection switch, N number of
The on off operating mode of drive end capacitance switch and N number of test side capacitance switch, and control each drive circuit to send drive signal, and
The detection signal obtained according to each detection circuit determines the path event between drives line on touch-screen, detection line and ground wire
Barrier, wherein, N is natural number.
The embodiment of the present invention additionally provides a kind of method of testing of touch-screen module, using the touch-screen module of above-mentioned offer
Test device, the operation that the control module is performed includes：
According to setting path inspection policies, N number of driving switch, N number of detection switch, N number of drive end electric capacity is controlled to open
The on off operating mode with N number of test side capacitance switch is closed, and controls each drive circuit to send drive signal, and according to each inspection
The detection signal that slowdown monitoring circuit is obtained determines the path fault between drives line on touch-screen, detection line and ground wire, wherein, N is certainly
So count.
The embodiment of the present invention additionally provides a kind of touch-screen module, including touch-screen, control chip and connection circuit, described
Touch-screen includes drives line, detection line and ground wire, and the control chip includes drive circuit and detection circuit, wherein, it is described to touch
Touching screen module also includes the test device for the touch-screen module that any embodiment of the present invention is provided.
Technical scheme, make use of existing circuit and the operation principle in touch-screen module, only increase switch and
All circuits just can be carried out with open circuit for electric capacity of testing oneself and the path fault of short circuit is detected, and operation can be based on by control module
The functional of control chip automatically controls completion, is not required to manually test one by one, significantly improves operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention two is provided；
Fig. 3 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention three is provided;
Fig. 4 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention four is provided;
Fig. 5 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention five is provided;
Fig. 6 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention six is provided;
Fig. 7 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention seven is provided;
Fig. 8 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention eight is provided;
Fig. 9 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention nine is provided;
Figure 10 is provided the stream short-circuit detecting drives line in the method for testing of touch-screen module by the embodiment of the present invention
Cheng Tu；
Figure 11 is provided in the method for testing of touch-screen module by the embodiment of the present invention to drives line and detection short-circuit between conductors
The flow chart of detection；
Figure 12 is provided the stream short-circuit detecting detection line in the method for testing of touch-screen module by the embodiment of the present invention
Cheng Tu；
Figure 13 is provided by the embodiment of the present invention to be examined in the method for testing of touch-screen module to detection line and ground short-circuit between conductors
The flow chart of survey；
Figure 14 is provided by the embodiment of the present invention to be examined in the method for testing of touch-screen module to drives line and ground short-circuit between conductors
The flow chart of survey；
Figure 15 is provided the stream of the open circuit detection to drives line in the method for testing of touch-screen module by the embodiment of the present invention
Cheng Tu；
Figure 16 is provided the stream of the open circuit detection to detection line in the method for testing of touch-screen module by the embodiment of the present invention
Cheng Tu.
Embodiment
Embodiment one
Fig. 1 is the structural representation of the test device for the touch-screen module that the embodiment of the present invention one is provided, the test device
Detected available for the short circuit between the signal wire in capacitive touch screen or open circuit fault.As shown in figure 1, capacitive touch
Touch in screen and include parallel N bar drives lines, and parallel N bar detection lines, N is natural number, and drives line is mutual with detection line
Vertically.Touch-screen also includes a ground wire, and the voltage difference of detection can be formed between drives line and ground wire.N bars drives line, N bars
Detection line and ground wire are the signal wire in touch-screen, and it is connected by winding displacement or circuit board with control chip.I.e. such as Fig. 1 institutes
Show, the signal wire of touch-screen collects in edge, its drives line formation D0 ..., Dn N number of pin, detection line formed
S0 ..., Sn N number of pin, ground wire formation GND pins.Each pin can be used for being connected with control chip.Control chip can be provided
Drive circuit and detection circuit, N number of drive circuit be designated as Drive1 ..., Driven, N number of detection circuit is designated as
Sense1 ..., Sensen, be connected respectively with drives line and detection line.Each drive circuit is used to carry to drives line under control
For drive signal, the drives line of non-input drive signal is then grounded equivalent to by drive circuit.Detect that circuit is used to receive to examine
Detection signal in survey line, judges that the detection signal of which position changes i.e. corresponding occur in that and touched.
The test device that the present embodiment is provided is a test circuit, and the test device can be integrated in the control of touch-screen module
In chip, using in touch-screen module drive circuit send drive signal and detection circuit receive detect signal operation principle come
Realize the detection to signal wire path in touch-screen.It will be appreciated by a person skilled in the art that test circuit can also be independently of
Control chip is set.
The test device for the touch-screen module that the present embodiment is provided includes：N number of driving switch, be designated as A1 ..., An, point
It is not connected between N bars drives line and corresponding drive circuit；N number of detection switch, be designated as K1 ..., Kn, N is connected on respectively
Between bar detection line and corresponding detection circuit；Test oneself electric capacity C；N number of drive end capacitance switch, be designated as B1 ..., Bn, respectively
Connected with N number of driving switch, and be connected in parallel to the first end for the electric capacity C that tests oneself；N number of test side capacitance switch, be designated as M1 ..., Mn,
Connected respectively with N number of detection switch, and be connected in parallel to the second end for the electric capacity C that tests oneself；Control module（Do not show in figure）, specifically with hardware
Or the mode of software is realized, is integrated in control chip, it is connected with each switch, drive circuit and detection circuit, for according to setting
Determine path inspection policies, control N number of driving switch, N number of detection switch, N number of drive end capacitance switch and N number of test side electricity
Appearance switches on-off state, and the detection signal obtained according to each detection circuit determines drives line on touch-screen, detection line
Path fault between ground wire.
The operation principle of the present embodiment is：It make use of drive circuit to send drive signal to each drives line, and detect
Line can return to the principle for detecting signal to detection circuit, electric capacity of testing oneself is additionally arranged between drives line and detection line, for simulating
Inductance capacitance on touch-screen between drives line and detection line, and drive end capacitance switch and test side capacitance switch can be passed through
To control the annexation of drives line, detection line and electric capacity of testing oneself.Under different annexations, electric capacity of testing oneself can be believed detection
Number have a certain impact, different detection signals can be produced under normal condition, short-circuit conditions and open circuit conditions, so, this reality
Apply example and come the break-make of controlling switch, drive signal and the transmitting-receiving for detecting signal accordingly, so as to recognize the short of signal wire on touch-screen
Road, open circuit fault.
The technical scheme of the present embodiment, make use of existing circuit and the operation principle in touch-screen module, only increase switch
The path fault that all circuits can just be carried out with open circuit and short circuit with electric capacity of testing oneself is detected, and operation can be by control module base
Functional in control chip automatically controls completion, is not required to manually test one by one, significantly improves operating efficiency.
Different control strategies can be used for the different path faults of different circuits, is said respectively below by embodiment
It is bright.
Embodiment two
In the structural representation of the test device for the touch-screen module that Fig. 2 provides for the embodiment of the present invention two, the present embodiment
Based on previous embodiment, control module is optimized, is related to the control knot detected to the short trouble between drives line
Structure.On off state in test device is as shown in Fig. 2 the control module specifically includes short-circuit detecting list between drives line and drives line
Member, for controlling the driving switch of drives line to be measured to close, other driving switch are closed at or are in closure state one by one, treat
The drive end capacitance switch closure corresponding to drives line is surveyed, at least one test side capacitance switch closure, rest switch disconnects, by
Drive signal is provided to drives line to be measured with the drive circuit corresponding to the drives line to be measured, and is closed by detecting that circuit is obtained
Detection signal at the test side capacitance switch of conjunction, when the detection signal for judging to get is less than drives line internal short-circuit threshold value
When, it is determined that there is short trouble between the drives line to be measured and other drives lines.
Illustrated in Fig. 2 so that the quantity of drives line and detection line is respectively two as an example, all driving switch are introduced first
Situation about being closed at.Current drives line to be measured is D0, then all driving switch A0 and A1 closure, with drives line D0 to be measured
It is specifically test side in corresponding drive end capacitance switch B0 closures, at least one test side capacitance switch closure, the present embodiment
Capacitance switch M0 is closed, and rest switch, such as B1, M1, K1 and K2 disconnect.
If short circuit, the drive signal that drive circuit Drive0 is produced is not present with other drives lines in drives line D0 to be measured
The corresponding detection circuit Sense0 of end capacitance switch M0 can be detected by the electric capacity C that tests oneself and measure normal level value, be set to
Preset value V0, is designated as drives line internal short-circuit threshold value.If there is short circuit between drives line D0 to be measured and drives line D1, driving electricity
Road Drive0 drive signal can pass through drives line D0 to drives line D1, then be in the drive circuit Drive1 of ground state
Passage disperses to fall, as shown in the dashed path in Fig. 2.Now by the electric capacity C that tests oneself, the electricity measured by detection circuit Sense0
Level values can be reduced, less than drives line internal short-circuit threshold value.Then control module is that may detect drives line D0 to be measured to drive with other
There is short circuit between line.If selecting occlusion detection end capacitance switch M1, corresponding detection circuit Sense1 also can be based on same
Whether sample principle tests drives line to be measured short-circuit.The short-circuit test between drives line can be completed by testing other drives lines successively.
Or, when carrying out short-circuit test to drives line to be measured, can also one by one it be located using the driving switch of other drives lines
In the scheme of closure state.Control a driving switch of other drives lines to close, then disconnect, be closed again next driving
Switch so that other driving switch are in closure state successively.So, can be by which when drives line to be measured is short-circuit at test
Individual driving switch closure knows that the drives line to be measured is specifically short-circuit with which bar drives line.
Embodiment three
In the structural representation of the test device for the touch-screen module that Fig. 3 provides for the embodiment of the present invention three, the present embodiment
Based on previous embodiment, control module is optimized, is related to and the short trouble between drives line and detection line is detected
Control structure.On off state in test device as shown in figure 3, the control module specifically include it is short between drives line and detection line
Road detection unit, for controlling the corresponding driving switch closure of drives line to be measured, all detection switch closures, rest switch breaks
Open, provide drive signal from drive circuit corresponding with the drives line to be measured to drives line to be measured, and pass through each detection respectively
Circuit obtains detection signal, when the detection signal for judging to get is more than short-circuit between conductors threshold value, it is determined that described to be measured
There is short trouble between drives line and corresponding detection line.
Illustrated in Fig. 3 so that the quantity of drives line and detection line is respectively two as an example, current drives line to be measured is D0,
Then drives line D0 to be measured corresponding driving switch A0 closures, all detection switch K0 and K1 closures, other switches, such as D1, B1,
B2, M1 and M2 disconnect.
In order to detect whether drives line D0 to be measured has short circuit between detection line, drive circuit Drive0 provides driving letter
Number.If short circuit is not present between drives line D0 and each bar detection line, each bar detects circuit by detection line all without measurement
The drive signal produced to drive circuit Drive0, i.e., the short-circuit between conductors threshold value that signal intensity is not more than set thereon.
If there is short circuit between drives line D0 and detection line S0, the signal between detection line and drives line at short circuit will not be induced electricity
Hold decay, then detection circuit Sense0 corresponding with detection line S0 can measure abnormal detection signal, i.e., short more than between line
Road threshold value, as shown in the dashed path in Fig. 3.It now can be determined that there is short circuit between drives line D0 and detection line S0.Together
Reason, the detected signal value that can occur in other detection circuits is judged between drives line D0 and other detection lines with the presence or absence of short
Road.The short-circuit test between drives line and detection line can be completed by testing other drives lines successively.
Example IV
In the structural representation of the test device for the touch-screen module that Fig. 4 provides for the embodiment of the present invention four, the present embodiment
Based on previous embodiment, control module is optimized, is related to the control knot detected to the short trouble between detection line
Structure.On off state in test device is as shown in figure 4, the control module is specifically included：Short-circuit detecting between detection line and detection line
Unit, for controlling all detection switch to close, the test side capacitance switch closure corresponding to detection line to be measured, at least one drive
Moved end capacitance switch closure, rest switch is disconnected, and driving is provided by drive circuit corresponding with the drive end capacitance switch of closure
Signal, respectively by it is each detection circuit obtain detection signal, when judge the detection circuit corresponding to non-detection line to be measured obtain
When the detection signal arrived is more than detection line internal short-circuit threshold value, determine to exist between the non-detection line to be measured and detection line to be measured short
Road failure.
Illustrated in Fig. 4 so that the quantity of drives line and detection line is respectively two as an example, current detection line to be measured is S0,
All detection switch K0 and K1 closures, the test side capacitance switch M0 closures corresponding to detection line S0 to be measured, at least one driving
Hold capacitance switch closure, illustrated by taking drive end capacitance switch B0 closures as an example in the present embodiment, rest switch, such as M1, B1,
A0 and A1 disconnects.Drive signal is provided by drive circuit Drive0 corresponding with the drive end capacitance switch B0 of closure, this driving
Signal is disconnected due to driving switch A0, so not providing into drives line D0, but is passed through the electric capacity C that tests oneself and is entered detection circuit
In, as shown in dashed path in Fig. 4.
Drive circuit Drive0 drive signal is measured by the electric capacity C meetings detected circuit Sense0 that tests oneself, if inspection
Without short circuit between survey line S0 and detection line S1, then detect that circuit Sense1 will not measure this drive signal, i.e., it gets
Detection signal be not more than detection line internal short-circuit threshold value；, whereas if being deposited between detection line S0 and non-detection line S1 to be measured
In short circuit, then detection circuit Sense1 corresponding with non-detection line to be measured can measure abnormal drive signal, i.e., non-to be measured
The detection signal that detection circuit Sense1 corresponding to detection line S1 is got is more than detection line internal short-circuit threshold value, now controls
Module can determine that there is short circuit between detection line S0 to be measured and non-detection line S1 to be measured.Similar detection is carried out to other detection lines,
With the presence or absence of short circuit between other measurable detection lines.
Embodiment five
In the structural representation of the test device for the touch-screen module that Fig. 5 provides for the embodiment of the present invention five, the present embodiment
Based on previous embodiment, control module is optimized, is related to what the short trouble between detection line and ground wire was detected
Control structure.On off state in test device is as shown in figure 5, the control module is specifically included：Detection line and ground short-circuit between conductors
Detection unit, for controlling the corresponding detection switch of detection line to be measured and test side capacitance switch to close, and any one drive
Moved end capacitance switch closure, rest switch disconnects, and provides drive by drive circuit corresponding with the drive end capacitance switch of closure
Dynamic signal, and detection signal is obtained by the detection circuit corresponding to detection line to be measured, when the detection signal for judging to get
During less than detection line with ground short-circuit between conductors threshold value, it is determined that there is short trouble between the detection line to be measured and ground wire.
Illustrated in Fig. 5 so that the quantity of drives line and detection line is respectively two as an example, current detection line to be measured is S0,
Detection line S0 to be measured corresponding detection switch K0 and test side capacitance switch M0 is controlled to close, and any one drive end electric capacity
Switch closure, the present embodiment by drive end capacitance switch B0 closure exemplified by illustrate, rest switch, such as A0, A1, B1, M1 and
K1 disconnects, and provides drive signal by drive circuit Drive0 corresponding with the drive end capacitance switch B0 of closure.
Drive circuit Drive0 drive signal is detected by the electric capacity C meetings detected circuit Sense0 that tests oneself, if treated
Survey between detection line S0 and ground wire GND in the presence of short circuit, then detection line S0 is in ground state, and detection circuit Sense0 will not be measured
To normal drive signal, that is, detect that signal is less than detection line and ground short-circuit between conductors threshold value, now can be determined that detection to be measured
There is short circuit between line S0 and ground wire GND.Similar detection is carried out to other detection lines, other detection lines and ground wire can be tested successively
With the presence or absence of short circuit between GND.
Embodiment six
In the structural representation of the test device for the touch-screen module that Fig. 6 provides for the embodiment of the present invention six, the present embodiment
Based on previous embodiment, control module is optimized, is related to what the short trouble between drives line and ground wire was detected
Control structure.On off state in test device is as shown in fig. 6, the control module is specifically included：Drives line and ground short-circuit between conductors
Detection unit, for controlling the corresponding driving switch of drives line to be measured and drive end capacitance switch to close, and any one inspection
End capacitance switch closure is surveyed, rest switch disconnects, and drive signal is provided by drive circuit corresponding with drives line to be measured, and it is logical
Cross the detection circuit corresponding to the test side capacitance switch of closure and obtain detection signal, when the detection signal for judging to get is small
When drives line is with ground short-circuit between conductors threshold value, it is determined that there is short trouble between the drives line to be measured and ground wire.
Illustrated in Fig. 6 so that the quantity of drives line and detection line is respectively two as an example, current drives line to be measured is D0,
Drives line D0 to be measured corresponding driving switch A0 and drive end capacitance switch B0 is controlled to close, any one test side capacitance switch
Closure, the present embodiment is illustrated by taking test side capacitance switch M0 closures as an example, and rest switch, such as A1, B1, M1, K0 and K1 break
Open, and drive signal is provided by drive circuit Drive0 corresponding with drives line D0 to be measured, opened by the test side electric capacity of closure
Close the detection circuit Sense0 corresponding to M0 and obtain detection signal.
Drive circuit Drive0 drive signal is measured by the electric capacity C meetings detected circuit Sense0 that tests oneself, if driven
There is short circuit between moving-wire D0 and ground wire GND, then drives line D0 is substantially at ground state, detection circuit Sense0 is detected substantially
Less than drive signal, that is, detect that the detection signal that circuit Sense0 is got is less than drives line and ground short-circuit between conductors threshold value, such as
Shown in dashed path in Fig. 6.It now can be determined that there is short circuit between drives line D0 and ground wire GND, other drives lines entered
The similar detection of row, it is possible to determine that with the presence or absence of short circuit between other drives lines and ground wire GND.
Embodiment seven
In the structural representation of the test device for the touch-screen module that Fig. 7 provides for the embodiment of the present invention seven, the present embodiment
Based on previous embodiment, control module is optimized, is related to the control structure detected to the open circuit fault of drives line.Survey
Trial assembly put on off state as shown in fig. 7, and in the test device also include conductive bar 10, the conductive bar 10 will drive
Line, detection line and ground wire are electrically connected to each other.The control module is specifically included：Drives line open circuit detection unit, it is to be measured for controlling
The corresponding driving switch of drives line and drive end capacitance switch closure, and any one test side capacitance switch closure, remaining is opened
Shut-off is opened, and provides drive signal, and the test side capacitance switch for passing through closure by drive circuit corresponding with drives line to be measured
Corresponding detection circuit obtains detection signal, when the detection signal for judging to get is more than drives line open circuit threshold value,
Then determine that the drives line to be measured has open circuit fault.
Illustrated in Fig. 7 so that the quantity of drives line and detection line is respectively two as an example, current drives line to be measured is D0,
Drives line D0 to be measured corresponding driving switch A0 and drive end capacitance switch B0 are controlled, and any one test side capacitance switch is closed
Close, illustrated in the present embodiment by taking test side capacitance switch M0 closures as an example, rest switch, such as A1, B1, M1, K0 and K1 break
Open, and drive signal, and the test side electric capacity for passing through closure are provided by drive circuit Drive0 corresponding with drives line D0 to be measured
Switch the detection circuit Sense0 corresponding to M0 and obtain detection signal, as shown in the dashed path in Fig. 7.
In the present embodiment, a conductive bar 10 is pressed in the outer end of signal wire, each signal line and ground wire GND is all connected
Together.Because drives line is all connected with ground wire GND, therefore drives line D0 to be measured drive circuit Drive0 drive signal meeting
Flowed away through ground wire GND, detection circuit Sense0 will not detect drive signal.If there is open circuit in drives line D0, corresponding
Detection circuit Sense0 will measure abnormal drive signal, that is, judge that the detection signal got is disconnected more than drives line
During the threshold value of road.It now can be determined that drives line D0 to be measured has open circuit.Similar detection is carried out to other drives lines, it is possible to determine that
Other drives lines are with the presence or absence of open circuit.Particularly, when ground wire GND has open circuit, even if drives line is without open circuit, circuit is detected
Sense0 can also measure drive signal, and such a situation is subsequently illustrating.
Embodiment eight
In the structural representation of the test device for the touch-screen module that Fig. 8 provides for the embodiment of the present invention eight, the present embodiment
Based on previous embodiment, control module is optimized, is related to the control structure detected to the open circuit fault of detection line.Survey
Trial assembly put on off state as shown in figure 8, and in the test device also include conductive bar 10, the conductive bar 10 will drive
Line, detection line and ground wire are electrically connected to each other.The control module is specifically included：Detection line open circuit detection unit, it is to be measured for controlling
The corresponding detection switch of detection line and test side capacitance switch closure, and any one drive end capacitance switch closure, remaining is opened
Shut-off is opened, and provides drive signal by drive circuit corresponding with the drive end capacitance switch of closure, and passes through detection line to be measured
Corresponding detection circuit obtains detection signal, when the detection signal for judging to get is more than detection line open circuit threshold value,
Then determine that the detection line to be measured has open circuit fault.
Illustrated in Fig. 8 so that the quantity of drives line and detection line is respectively two as an example, current detection line to be measured is S0,
Control detection line S0 to be measured corresponding detection switch K0 and test side capacitance switch M0, and any one drive end capacitance switch
Closure, the present embodiment is illustrated by taking drive end capacitance switch B0 closures as an example, and rest switch, such as A0, A1, B1, M1 and K1 break
Open, and drive signal is provided by drive circuit Drive0 corresponding with the drive end capacitance switch B0 of closure, and pass through inspection to be measured
Detection circuit Sense0 corresponding to survey line S0 obtains detection signal, as shown in the dashed path in Fig. 8.
Drive circuit Drive0 drive signal can pass through the electric capacity C flow detection circuit Sense0 that test oneself, but because to be measured
Detection line S0 is connected with ground wire GND, and detection circuit Sense0 should can't detect drive signal.If as shown in figure 8, inspection to be measured
There is open circuit in survey line S0, then detect that circuit Sense0 will measure abnormal drive signal, that is, judge the inspection got
Survey signal and be more than the breaking threshold value of detection line, now can be determined that detection line S0 to be measured has open circuit.Other detection lines are carried out
Similar detection, it is possible to determine that other detection lines are with the presence or absence of open circuit.Particularly, when ground wire GND has open circuit, even if detection
Line can also measure drive signal without open circuit, detection circuit Sense0, and such a situation is subsequently illustrating.
Embodiment nine
Fig. 9 be the embodiment of the present invention nine provide touch-screen module test device structural representation, the embodiment with
Based on previous embodiment seven and eight, control module is optimized, is related to the control structure detected to the open circuit fault of ground wire.
The control module also includes：Ground wire open circuit detection unit, for determining that all measured signal lines are disconnected when breaking detection unit
Lu Shi, determines that the ground wire has open circuit fault, wherein, breaking detection unit be specifically the breaking detection unit of drives line and/or
Detection line open circuit detection unit, measured signal line is drives line to be measured and/or detection line to be measured.
In the present embodiment, if ground wire GND has open circuit, drives line and detection line are not connected with ground wire, then preceding
The test result of drives line open circuit detection or detection line open circuit detection described in face can show all drives line and detection line all
There is open circuit fault, this can serve as special case, judge that ground wire GND has open circuit according to this.
The technical scheme of various embodiments of the present invention, control chip and touch can be completed by the circuit inside control chip
The short circuit of signal wire path between screen and/or out of circuit test.When carrying out out of circuit test, only conductive bar 10 need to be pressed on tested letter
The outer end of number line path, that is, be away from one end of control chip, without probe and single signal wire contact measurement, to operating process
It is simple with tool demands.
The embodiment of the present invention additionally provides a kind of touch-screen module, and it includes touch-screen, control chip and connection circuit, institute
Stating touch-screen includes drives line, detection line and ground wire, and the control chip includes drive circuit and detection circuit, and connection line is
Winding displacement or other circuits, for connecting each signal wire of touch-screen and control chip, it is any that the touch-screen module also includes the present invention
The test device for the touch-screen module that embodiment is provided.The touch-screen module can be automatically performed to each signal wire on touch-screen
Short circuit, open circuit fault detection.
Embodiment ten
The embodiment of the present invention ten provides a kind of method of testing of touch-screen module, and this method can be using present invention implementation
The operation that the test device for the touch-screen module that example is provided, wherein control module are performed includes：
According to setting path inspection policies, N number of driving switch, N number of detection switch, N number of drive end electric capacity is controlled to open
The on off operating mode with N number of test side capacitance switch is closed, and controls each drive circuit to send drive signal, and according to each inspection
The detection signal that slowdown monitoring circuit is obtained determines the path fault between drives line on touch-screen, detection line and ground wire, wherein, N is certainly
So count.
The operation of control module can control each switch or device to perform corresponding action by producing control signal.For
Drives line, the short circuit of detection line and ground wire and open circuit fault, can be respectively adopted following concrete operation method and realize.
As shown in Figure 10, it is short-circuit detecting flow between drives line, the state of test device can be found in shown in Fig. 2, then
The operation that control module is performed is specifically included：
Step 101, control all driving switch closure, drive end capacitance switch closure corresponding to drives line to be measured or by
One is in closure state, and at least one test side capacitance switch closure, rest switch disconnects；
Step 102, from the drive circuit corresponding to the drives line to be measured to drives line to be measured provide drive signal；
Detection signal at step 103, the test side capacitance switch by detecting circuit acquisition closure；
Step 104, when the detection signal for judging to get be less than drives line internal short-circuit threshold value when, it is determined that it is described to treat
Survey between drives line and other drives lines and there is short trouble.
As shown in figure 11, it is short-circuit detecting flow between drives line and detection line, the state of test device can be found in Fig. 3
Shown, then the operation that control module is performed is specifically included：
The corresponding driving switch closure of step 111, control drives line to be measured, all detection switch closures, rest switch breaks
Open；
Step 112, from the drive circuit corresponding to the drives line to be measured to drives line to be measured provide drive signal；
Step 113, respectively pass through it is each detection circuit obtain detection signal；
Step 114, when the detection signal for judging to get be more than short-circuit between conductors threshold value when, it is determined that it is described it is to be measured drive
There is short trouble between moving-wire and corresponding detection line.
As shown in figure 12, it is short-circuit detecting flow between detection line, the state of test device can be found in shown in Fig. 4, then
The operation that control module is performed is specifically included：
Step 121, all detection switch closures of control, the test side capacitance switch closure corresponding to detection line to be measured, extremely
Few drive end capacitance switch closure, rest switch disconnects；
Step 122, by drive circuit corresponding with the drive end capacitance switch of closure provide drive signal；
Step 123, respectively pass through it is each detection circuit obtain detection signal；
Step 124, the detection signal got when the detection circuit judged corresponding to non-detection line to be measured are more than detection
During line internal short-circuit threshold value, determine there is short trouble between the non-detection line to be measured and detection line to be measured.
As shown in figure 13, it is short-circuit detecting flow between detection line and ground wire, the state of test device can be found in Fig. 5 institutes
Show, then the operation that control module is performed is specifically included：
Step 131, the corresponding detection switch of control detection line to be measured and test side capacitance switch closure, and any one
Drive end capacitance switch is closed, and rest switch disconnects；
Step 132, by drive circuit corresponding with the drive end capacitance switch of closure provide drive signal；
Step 133, the detection circuit acquisition passed through corresponding to detection line to be measured detect signal；
Step 134, when the detection signal for judging to get be less than detection line with ground short-circuit between conductors threshold value when, it is determined that
There is short trouble between the detection line to be measured and ground wire.
As shown in figure 14, it is short-circuit detecting flow between drives line and ground wire, the state of test device can be found in Fig. 6 institutes
Show, then the operation that control module is performed is specifically included：
Step 141, the corresponding driving switch of control drives line to be measured and drive end capacitance switch closure, and any one
Test side capacitance switch closure, rest switch disconnects；
Step 142, by drive circuit corresponding with drives line to be measured provide drive signal；
Step 143, the detection circuit acquisition passed through corresponding to the test side capacitance switch of closure detect signal；
Step 144, when the detection signal for judging to get be less than drives line with ground short-circuit between conductors threshold value when, it is determined that
There is short trouble between the drives line to be measured and ground wire.
As shown in figure 15, it is the breaking testing process of drives line, the state of test device can be found in shown in Fig. 7, then control
The operation that module is performed is specifically included：
Step 151, using conductive bar drives line, detection line and ground wire are electrically connected to each other；
Step 152, the corresponding driving switch of control drives line to be measured and drive end capacitance switch closure, and any one
Test side capacitance switch closure, rest switch disconnects；
Step 153, by drive circuit corresponding with drives line to be measured provide drive signal；
Step 154, the detection circuit acquisition passed through corresponding to the test side capacitance switch of closure detect signal；
Step 155, when the detection signal for judging to get is more than the breaking threshold value of drives line, it is determined that it is described to be measured
There is open circuit fault in drives line.
As shown in figure 16, it is the breaking testing process of detection line, the state of test device can be found in shown in Fig. 8, then control
The operation that module is performed is specifically included：
Step 161, using conductive bar drives line, detection line and ground wire are electrically connected to each other；
Step 162, the corresponding detection switch of control detection line to be measured and test side capacitance switch closure, and any one
Drive end capacitance switch is closed, and rest switch disconnects；
Step 163, by drive circuit corresponding with the drive end capacitance switch of closure provide drive signal；
Step 164, the detection circuit acquisition passed through corresponding to detection line to be measured detect signal；
Step 165, when the detection signal for judging to get is more than the breaking threshold value of detection line, it is determined that it is described to be measured
There is open circuit fault in detection line.
On the basis of drives line open circuit detection and/or detection line open circuit detection, ground wire open circuit detection can be further performed,
The operation that i.e. described control module is performed also includes：
When it is open circuit that breaking detection unit, which determines all measured signal lines, determine that the ground wire has open circuit fault,
Wherein, measured signal line is drives line to be measured and/or detection line to be measured.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (6)
1. a kind of test device of touch-screen module, it is characterised in that including：
N number of driving switch, is connected between N bars drives line and corresponding drive circuit respectively；
N number of detection switch, is connected between N bars detection line and corresponding detection circuit respectively；
Test oneself electric capacity；
N number of drive end capacitance switch, connects with N number of driving switch respectively, and is connected in parallel to the first end for electric capacity of testing oneself；
N number of test side capacitance switch, connects with N number of detection switch respectively, and is connected in parallel to the second end of electric capacity of testing oneself；
Control module, for according to setting path inspection policies, controlling N number of driving switch, N number of detection switch, N number of driving
The on off operating mode of end capacitance switch and N number of test side capacitance switch, and each drive circuit transmission drive signal of control, and according to
The detection signal that each detection circuit is obtained determines the path fault between drives line on touch-screen, detection line and ground wire, its
In, N is positive integer；
Wherein, the control module includes：
Short detection unit between drives line and drives line, for controlling the driving switch of drives line to be measured to close, other drivings are opened
Pass is closed at or is in closure state one by one, the drive end capacitance switch closure corresponding to drives line to be measured, at least one inspection
Survey end capacitance switch closure, rest switch disconnects, from the drive circuit corresponding to the drives line to be measured to drives line to be measured
There is provided drive signal, and by detect circuit obtain closure test side capacitance switch at detection signal, when judge obtain
When the detection signal arrived is less than drives line internal short-circuit threshold value, it is determined that exist between the drives line to be measured and other drives lines
Short trouble；
Or, the control module includes：
Short detection unit between detection line and detection line, for controlling all detection switch to close, corresponding to detection line to be measured
Test side capacitance switch closure, at least one drive end capacitance switch closure, rest switch disconnects, by the drive end electricity with closure
Hold switch corresponding drive circuit and drive signal is provided, detection signal is obtained by each detection circuit respectively, when judging non-treat
When the detection signal that detection circuit corresponding to survey detection line is got is more than detection line internal short-circuit threshold value, determine that this is non-to be measured
There is short trouble between detection line and detection line to be measured；
Or, the control module includes：
Short detection unit between detection line and ground wire, for controlling the corresponding detection switch of detection line to be measured and test side electric capacity to open
Close and close, and any one drive end capacitance switch closure, rest switch disconnects, and is opened by the drive end electric capacity with closure
Close corresponding drive circuit and drive signal is provided, and detection signal is obtained by the detection circuit corresponding to detection line to be measured, when
When judging that the detection signal got is less than detection line with ground short-circuit between conductors threshold value, it is determined that the detection line to be measured and ground
There is short trouble between line；
Or, the control module includes：
Short detection unit between drives line and ground wire, for controlling the corresponding driving switch of drives line to be measured and drive end electric capacity to open
Close and close, and any one test side capacitance switch closure, rest switch disconnects, and is driven by corresponding with drives line to be measured
Circuit providing drive signals, and detection signal is obtained by detection circuit corresponding to the test side capacitance switch of closure, when sentencing
Break when the detection signal that gets and being less than drives line with ground short-circuit between conductors threshold value, it is determined that the drives line to be measured and ground wire
Between there is short trouble；
Or, conductive bar is also included in the test device, drives line, detection line and ground wire are mutually electrically connected by the conductive bar
Connect；
The control module includes：Drives line open circuit detection unit, for controlling the corresponding driving switch of drives line to be measured and drive
Moved end capacitance switch closure, and any one test side capacitance switch closure, rest switch disconnect, and by with drives line pair to be measured
The drive circuit answered provides drive signal, and obtains detection letter by the detection circuit corresponding to the test side capacitance switch of closure
Number, when the detection signal for judging to get is more than drives line open circuit threshold value, it is determined that the drives line to be measured exists disconnected
Road failure；
Or, conductive bar is also included in the test device, drives line, detection line and ground wire are mutually electrically connected by the conductive bar
Connect；
The control module includes：Detection line open circuit detection unit, for controlling the corresponding detection switch of detection line to be measured and inspection
End capacitance switch closure is surveyed, and any one drive end capacitance switch is closed, rest switch disconnects, and the drive end electricity by closing
Hold switch corresponding drive circuit and drive signal is provided, and detection letter is obtained by the detection circuit corresponding to detection line to be measured
Number, when the detection signal for judging to get is more than detection line open circuit threshold value, it is determined that the detection line to be measured exists disconnected
Road failure.
2. the test device of touch-screen module according to claim 1, it is characterised in that also include in the test device
During conductive bar, the control module also includes：
Ground wire open circuit detection unit, for when it is open circuit that breaking detection unit, which determines all measured signal lines, it is determined that described
There is open circuit fault in ground wire, wherein, measured signal line is drives line to be measured and/or detection line to be measured.
3. the test device of touch-screen module according to claim 1, it is characterised in that：The test device is integrated in tactile
In the control chip for touching screen module.
4. a kind of method of testing of touch-screen module, it is characterised in that using the test of the touch-screen module described in claim 1
Device, the operation that the control module is performed includes：
According to setting path inspection policies, N number of driving switch, N number of detection switch, N number of drive end capacitance switch and N are controlled
The on off operating mode of individual test side capacitance switch, and control each drive circuit to send drive signal, and according to each detection electricity
The detection signal that road is obtained determines the path fault between drives line on touch-screen, detection line and ground wire, wherein, N is positive integer；
Wherein, the operation that the control module is performed is specifically included：
The driving switch of drives line to be measured is controlled to close, other driving switch are closed at or are in closure state one by one, to be measured
Drive end capacitance switch closure corresponding to drives line, at least one test side capacitance switch closure, rest switch disconnects；
From providing drive signal to drives line to be measured with the drive circuit corresponding to the drives line to be measured；
By detecting that circuit obtains the detection signal at the test side capacitance switch of closure；
When the detection signal for judging to get be less than drives line internal short-circuit threshold value when, it is determined that the drives line to be measured and its
There is short trouble between his drives line；
Or, the operation that the control module is performed is specifically included：
All detection switch are controlled to close, the test side capacitance switch closure corresponding to detection line to be measured, at least one drive end
Capacitance switch is closed, and rest switch disconnects；
Drive signal is provided by drive circuit corresponding with the drive end capacitance switch of closure；
Detection signal is obtained by each detection circuit respectively；
When the detection signal that the detection circuit judged corresponding to non-detection line to be measured is got is more than detection line internal short-circuit thresholding
During value, determine there is short trouble between the non-detection line to be measured and detection line to be measured；
Or, the operation that the control module is performed is specifically included：
The corresponding detection switch of detection line to be measured and test side capacitance switch is controlled to close, and any one drive end electric capacity is opened
Close and close, rest switch disconnects；
Drive signal is provided by drive circuit corresponding with the drive end capacitance switch of closure；
Detection signal is obtained by the detection circuit corresponding to detection line to be measured；
When the detection signal for judging to get is less than detection line with ground short-circuit between conductors threshold value, it is determined that the detection to be measured
There is short trouble between line and ground wire；
Or, the operation that the control module is performed is specifically included：
Control the corresponding driving switch of drives line to be measured and drive end capacitance switch, and any one test side capacitance switch
Closure, rest switch disconnects；
Drive signal is provided by drive circuit corresponding with drives line to be measured；
Detection signal is obtained by the detection circuit corresponding to the test side capacitance switch of closure；
When the detection signal for judging to get is less than drives line with ground short-circuit between conductors threshold value, it is determined that the driving to be measured
There is short trouble between line and ground wire；
Or, the operation that the control module is performed is specifically included：
Drives line, detection line and ground wire are electrically connected to each other using conductive bar；
The corresponding driving switch of drives line to be measured and drive end capacitance switch is controlled to close, and any one test side electric capacity is opened
Close and close, rest switch disconnects；
Drive signal is provided by drive circuit corresponding with drives line to be measured；
Detection signal is obtained by the detection circuit corresponding to the test side capacitance switch of closure；
When the detection signal for judging to get is more than drives line open circuit threshold value, it is determined that the drives line to be measured exists disconnected
Road failure；
Or, the operation that the control module is performed is specifically included：
Drives line, detection line and ground wire are electrically connected to each other using conductive bar；
The corresponding detection switch of detection line to be measured and test side capacitance switch is controlled to close, and any one drive end electric capacity is opened
Close and close, rest switch disconnects；
Drive signal is provided by drive circuit corresponding with the drive end capacitance switch of closure；
Detection signal is obtained by the detection circuit corresponding to detection line to be measured；
When the detection signal for judging to get is more than detection line open circuit threshold value, it is determined that the detection line to be measured exists disconnected
Road failure.
5. the method for testing of touch-screen module according to claim 4, it is characterised in that the behaviour that the control module is performed
When specifically including the step for being electrically connected to each other drives line, detection line and ground wire using conductive bar, the control module is held
Capable operation also includes：
When it is open circuit that breaking detection unit, which determines all measured signal lines, determine that the ground wire has open circuit fault, wherein,
Measured signal line is drives line to be measured and/or detection line to be measured.
6. a kind of touch-screen module, including touch-screen, control chip and connection circuit, the touch-screen include drives line, detection
Line and ground wire, the control chip include drive circuit and detection circuit, it is characterised in that the touch-screen module also includes power
Profit requires the test device of any described touch-screen modules of 1-3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009791.XA CN103926496B (en) | 2013-01-10 | 2013-01-10 | The test device and method and touch-screen module of touch-screen module |
| PCT/CN2014/070108 WO2014108048A1 (en) | 2013-01-10 | 2014-01-03 | Apparatus for testing touchscreen module and touchscreen module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009791.XA CN103926496B (en) | 2013-01-10 | 2013-01-10 | The test device and method and touch-screen module of touch-screen module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103926496A CN103926496A (en) | 2014-07-16 |
| CN103926496B true CN103926496B (en) | 2017-07-28 |
Family
ID=51144789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009791.XA Active CN103926496B (en) | 2013-01-10 | 2013-01-10 | The test device and method and touch-screen module of touch-screen module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103926496B (en) |
| WO (1) | WO2014108048A1 (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569727B (en) * | 2015-01-23 | 2017-12-08 | 珠海隆芯电子科技有限公司 | The method of testing of contactless electronic circuit test device |
| JP6400824B2 (en) * | 2015-02-27 | 2018-10-03 | シャープ株式会社 | Touch panel control board inspection method and touch panel controller |
| CN104732947B (en) | 2015-04-16 | 2017-02-22 | 京东方科技集团股份有限公司 | Driving chip, driving board and method for testing same, and display device |
| CN105021919B (en) * | 2015-06-29 | 2019-03-15 | 深圳市精智达技术有限公司 | Capacitance plate test card, test macro |
| CN106407068A (en) * | 2015-07-30 | 2017-02-15 | 华为终端（东莞）有限公司 | A device automatically controlling connection and disconnection of USB cables and a testing method |
| CN105093025B (en) * | 2015-08-18 | 2019-01-22 | 深圳市华星光电技术有限公司 | The detection circuit and detection method of In Cell touch-control display panel |
| CN105116276B (en) * | 2015-09-15 | 2019-03-01 | 深圳市华星光电技术有限公司 | A kind of detection device of capacitance plate |
| CN105301431B (en) * | 2015-11-18 | 2019-02-01 | 蓝思科技(东莞)有限公司 | A kind of micro- out of circuit test method of high-frequency percussion and test macro |
| CN105606948A (en) * | 2016-02-01 | 2016-05-25 | 北京集创北方科技股份有限公司 | Circuit detection method and system |
| CN105676053B (en) * | 2016-02-23 | 2018-09-25 | 上海芯什达电子技术有限公司 | A kind of touch screen defect detecting system |
| CN106771969B (en) * | 2016-12-20 | 2023-04-07 | 深圳市燕麦科技股份有限公司 | Open-Short testing device and method for flexible circuit board touch screen substrate |
| CN106771817B (en) * | 2017-01-03 | 2019-04-26 | 京东方科技集团股份有限公司 | Short-circuit detection method in touch screen, touch screen |
| CN108872905A (en) * | 2017-05-08 | 2018-11-23 | 原相科技股份有限公司 | Capacitive sensing device and corresponding short circuit test method |
| CN107230443B (en) * | 2017-06-30 | 2019-10-25 | 武汉华星光电技术有限公司 | In-cell touch panel tests circuit |
| CN107462273B (en) * | 2017-07-17 | 2020-05-12 | 江苏邦融微电子有限公司 | Mass production testing device and method for capacitive sensor module |
| CN107450786B (en) * | 2017-08-07 | 2021-03-23 | 京东方科技集团股份有限公司 | Touch controller, touch panel comprising same and method for detecting circuit fault |
| WO2019173987A1 (en) * | 2018-03-14 | 2019-09-19 | 深圳市汇顶科技股份有限公司 | Induction module detecting method, touch chip, touch screen and assembling method thereof |
| CN110517615B (en) * | 2019-08-30 | 2023-01-10 | 上海中航光电子有限公司 | Display panel detection method and detection device, display panel and display equipment |
| CN112557945A (en) * | 2020-11-18 | 2021-03-26 | 苏州美思迪赛半导体技术有限公司 | Drive port state detection circuit and method |
| CN112506095B (en) * | 2020-11-26 | 2021-10-01 | 杭州广安汽车电器有限公司 | Automatic test system and method for touch keys |
| CN112558589B (en) * | 2020-12-07 | 2022-11-22 | 天津津航计算技术研究所 | On-off control signal fault detection method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866322A (en) * | 2012-08-29 | 2013-01-09 | 北京集创北方科技有限公司 | Touch device detection method |
| CN102999209A (en) * | 2011-09-08 | 2013-03-27 | 爱特梅尔公司 | Integrated test system for a touch sensor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2672260B2 (en) * | 1994-06-07 | 1997-11-05 | トーケン工業株式会社 | TFT-LCD inspection method |
| JP3437152B2 (en) * | 2000-07-28 | 2003-08-18 | ウインテスト株式会社 | Apparatus and method for evaluating organic EL display |
| US7916127B2 (en) * | 2006-02-27 | 2011-03-29 | Texas Instruments Incorporated | Method and circuitry for self testing of connectivity of touch screen panel |
| WO2011121862A1 (en) * | 2010-03-29 | 2011-10-06 | 株式会社アイテス | Inspection device of capacitive touch panel and method of inspection |
| TWI452504B (en) * | 2011-01-25 | 2014-09-11 | Testing device for touch panel and capacitance-measure module | |
| US8810532B2 (en) * | 2011-04-22 | 2014-08-19 | Pixart Imaging, Inc. | In-situ detection of touchscreen panel shorts |
| JP2012242915A (en) * | 2011-05-16 | 2012-12-10 | Kyocera Display Corp | Testing device for touch panel and testing method for touch panel |
| US9122361B2 (en) * | 2011-05-19 | 2015-09-01 | Qualcomm Technologies, Inc. | Touch panel testing using mutual capacitor measurements |
-
2013
- 2013-01-10 CN CN201310009791.XA patent/CN103926496B/en active Active
-
2014
- 2014-01-03 WO PCT/CN2014/070108 patent/WO2014108048A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999209A (en) * | 2011-09-08 | 2013-03-27 | 爱特梅尔公司 | Integrated test system for a touch sensor |
| CN102866322A (en) * | 2012-08-29 | 2013-01-09 | 北京集创北方科技有限公司 | Touch device detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103926496A (en) | 2014-07-16 |
| WO2014108048A1 (en) | 2014-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103926496B (en) | The test device and method and touch-screen module of touch-screen module | |
| CN104459400B (en) | Detection circuit and detection method for self-tolerant touch screen | |
| CN102866322B (en) | A kind of touching device detection method | |
| US8810532B2 (en) | In-situ detection of touchscreen panel shorts | |
| CN103400078B (en) | The data message guard method of a kind of electronic equipment and protection circuit thereof | |
| CN108983082A (en) | Matrix switch de-vice and system | |
| CN103592615B (en) | The intelligent test device of the built-in on-load switch of a kind of electric energy meter | |
| CN103713170B (en) | Rare abnormal triggering in T ＆ M instrument | |
| CN101292166A (en) | Insulation inspecting device and insulation inspecting method | |
| CN105492235B (en) | Multifunctional monitoring for electric system | |
| CN106646195B (en) | Detection method, device and the platform that bonding wire based on electric method is instantaneously touched | |
| CN103364709A (en) | Functional circuit test system and method for printed circuit board assembly | |
| CN108051745A (en) | Test system, method and the computer readable storage medium of BMS | |
| CN101561467B (en) | System and method for real-time impedance measuring | |
| CN107356868A (en) | Mimic-disconnecting switch detection method and system | |
| CN103926497A (en) | Test apparatus and method for touch screen module, and touch screen module | |
| CN105301490B (en) | Hall switch signal acquisition circuit with fault detection capability | |
| CN202421448U (en) | Relay detecting device for nuclear power stations | |
| CN105182249A (en) | Fault diagnosis method of high-power switching power supply | |
| CN110208680A (en) | A kind of chip test system and method | |
| CN104898464B (en) | A kind of control module of Insulation test | |
| CN103197245A (en) | Detecting device and detecting technology for servo motor stator | |
| CN106154114A (en) | Fault testing apparatus and method | |
| CN104833824B (en) | The monitoring device of wheel speed sensors and vehicle with it | |
| CN104049169B (en) | Ground detection device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200235 Shanghai city Xuhui District Longcao Road No. 299 Tianhua Information Technology Park Building 2 floor A block 5 Applicant after: SHANGHAI EASTSOFT MICROELECTRONICS CO., LTD. Address before: 200235 Shanghai city Xuhui District Longcao Road No. 299 Tianhua Information Technology Park Building 2 floor A block 5 Applicant before: Shanghai Hair Group Integated Circuit Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |