CN107561739A - A kind of touch-screen and display screen integrated test system based on On Cell - Google Patents
A kind of touch-screen and display screen integrated test system based on On Cell Download PDFInfo
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- CN107561739A CN107561739A CN201710768294.6A CN201710768294A CN107561739A CN 107561739 A CN107561739 A CN 107561739A CN 201710768294 A CN201710768294 A CN 201710768294A CN 107561739 A CN107561739 A CN 107561739A
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Abstract
The invention discloses a kind of touch-screen based on On Cell and display screen integrated test system, including control process unit module, the output end and input of the control process unit module are electrically connected with the output end and input of communication unit module, the output end and input of the communication unit module are electrically connected with the output end and input of touch-screen integration testing unit, and the output end and input of the communication unit module are electrically connected with the input and input of display screen dust test cell.Testing touch screen and display screen test data are carried out unification by the present invention by communication unit, take calling dynamic link library, realize the integrated of test software, the present invention realizes testing touch screen and the integration testing of display screen test, and for the driving chip of different manufacturers, client need not change corresponding test environment, reduce testing cost, testing process is simplified, improves testing efficiency, it would be preferable to support all test samples.
Description
Technical field
The present invention relates to electrical screen technical field of measurement and test, specially a kind of touch-screen and display screen collection based on On Cell
Into test system.
Background technology
Current mobile terminal device is essentially all to carry out man-machine friendship in a manner of touch input and display screen are combined
Mutually, wherein, touch-screen realizes the input of information, and display screen realizes the output of information, interdepends and coexist between the two.At end
Need protective glass, touch-screen, display screen three parts being overlapped mutually in end equipment production process.
Problems with testing be present in the display screen based on ON-CELL technologies：
1st, test environment is miscellaneous.Each touch-screen producer is all tested using oneself test substrate and test software,
When so causing producing line volume production, a model is often changed, it is necessary to change corresponding hardware and software.
2nd, testing time and producing line change test product time length.Display screen is tested and testing touch screen scheme is not from
Same manufacturer, the corresponding software that operates can not be effectively combined, not only to the inconvenient for operation of operator, when also increasing test
Between.
3rd, can not carry out getting test and setting-out test ready.The test system of touch-screen according to different manufacturers chip difference and
Difference, it result in and can not be communicated and tested with external auxiliary structure, make the test system between touch-screen screen and display screen
Also it is separate：The touch data that contact panel is tested can not be sent in display system.To sum up, current production model is very
Difficulty accomplishes to get test and setting-out test ready, is beyond affordability so for the very high manufacturer terminal of quality requirements.
4th, the structure of automation can not be used to be tested.Different test producers, there is provided different test environments, to
Using the testing scheme of automation, then the test system of automation and contact panel test system must effectively be tied
Close.
The content of the invention
, can it is an object of the invention to provide a kind of touch-screen based on On Cell and display screen integrated test system
Realize the effective integration test of testing touch screen and display screen test.
To achieve the above object, the present invention provides following technical scheme：A kind of touch-screen and display screen based on On Cell
Integrated test system, including control process unit module, the output end and input of the control process unit module are electrical
The output end and input of connecting communication unit module, the output end and input of the communication unit module are electrically connected with tactile
The output end and input of screen integration testing unit are touched, the output end and input of the communication unit module are electrically connected with aobvious
The input and input of display screen dust test cell, the output end and input of the communication unit module are electrically connected with certainly
The output end and input of dynamicization auxiliary equipment structure assembly test cell, the automation auxiliary equipment structure assembly test are single
Member includes testing touch screen project, display screen test event and integration testing project, the automation auxiliary equipment structure assembly
The output end and input of test cell are electrically connected with the input and output end of testing touch screen project, the automation auxiliary
The output end and input of device structure integration testing unit are electrically connected with the input and output end of display screen test event, institute
State the output end of automation auxiliary equipment structure assembly test cell and input is electrically connected with the input of integration testing project
And output end, the output end and input of the touching test project are electrically connected with the input of touch-screen electric performance test module
And output end, the output end and input of the touching test project are electrically connected with touch-screen driving chip functional test module
Input and output end, the output end and input of the testing touch screen project be electrically connected with the touching test mould of touch-screen
The input and output end of block, the output end and input of the display screen test event are electrically connected with display screen electric performance test
The input and output end of module, the output end and input of the display screen test event are electrically connected with display screen display performance
The input and output end of test module are adjusted, the output end and input of the integration testing project, which are electrically connected with, gets test ready
The input and output end of module, the output end and input of the integration testing project are electrically connected with the defeated of setting-out test module
Enter end and output end.
The control process unit module includes control process module, the output end and input of the control process module
The input and output end of interface module are electrically connected with, the interface module includes first interface module and second interface module,
The output end and input of the interface module are electrically connected with the input and output end of first interface module, the interface module
Output end and input be electrically connected with second interface module input and output end, the output end of the control processor and
Input is electrically connected with the input and output end of detection module, and the detection module includes first detection module, second respectively
Detection module and the 3rd detection module, the output end and input of the detection module are electrically connected with the input of first detection module
End and output end, the output end and input of the detection module are electrically connected with the input and output end of the second detection module,
The output end and input of the detection module are electrically connected with the input and output end of the 3rd detection module, the control process
The output end and input of module are electrically connected with the input and output end of communication module, and the communication module includes first respectively
Communication module, the second communication module and the 3rd communication module, the output end and input of the communication module are electrically connected with first
The input and output end of communication module, the output end and input of the communication module are electrically connected with the defeated of the second communication module
Enter end and output end, the output end and input of the communication module are electrically connected with input and the output of the 3rd communication module
End.
The control process unit module includes operation test interface module, and the operation test interface module includes system
Integrated control program module, the output end and input of the operation test interface module are electrically connected with testing touch screen PC programs
The input and output end of load-on module, the output end and input of the operation test interface module are electrically connected with display screen and surveyed
The input and output end of hardware program download module are tried, the output end and input of the operation test interface module electrically connect
Connect the input and output end of testing touch screen hardware firmware download module.
Preferably, including touch display screen body, the touch display screen body include touch screen body and liquid crystal respectively
Shield body, the touch screen body is located at the top of liquid crystal display body, and the top of the touch display screen body is provided with Buddha's warrior attendant glass
Glass capping body, the Buddha's warrior attendant glass covering body are located at the top of touch screen body, the Buddha's warrior attendant glass covering body, touched
It is bonded between screen body and liquid crystal display body by bonding agent.
Preferably, the first interface module is I2C interface module, and the second interface module is SPI interface module, institute
It is twin wire serial bus interface to state I2C, and the SPI is Serial Peripheral Interface (SPI).
Preferably, the detection module is for producing detection voltage and completing the detection means of current detecting, the inspection
Surveying voltage includes first via voltage, the second road voltage and the 3rd road voltage, and the magnitude of voltage per road voltage is 1-5V.
Preferably, first communication module is UART communication modules, and second communication module is USB communication module,
3rd communication module is RS232 communication modules, and data are carried out for the touch-screen integration testing unit and external equipment
Communication, the UART are universal asynchronous receiving-transmitting transmitter, and the RS232 is personal computer communication interface, and the USB is general
Serial bus interface.
Preferably, the control process unit module is miniature control process unit, for controlling detection module and interface
Module completes touch-screen integration testing unit.
Preferably, the automation auxiliary equipment structure assembly test cell is for auxiliary touch-screen integration testing unit
With display screen integration testing unit so that touch-screen and display screen realize the automatic test of different test environments.
Preferably, whether the touch-screen electric performance test module is used to detecting the power consumption of touch-screen meets to require, wherein
Including normal mode of operation power consumption and park mode power consumption, the touch-screen driving chip functional test module is tactile for detecting
Touch whether the circuit of screen driving chip built-in function item and external connection is normal, and the touch layer test module of touch-screen is for examining
Survey accuracy and the continuity detection of touching test.
Preferably, the electric performance test module of the display screen be for detecting whether the power consumption of display screen meets to require,
Including normal mode of operation power consumption and park mode power consumption, display screen display performance regulation test module is used for adjusting display
Shield internal Flash degree display subtest index related to other.
Preferably, the test module of getting ready simulates artificial click capacitance plate by conducting resinl, and coordinate is got in detection, which ready, is
The no coordinate that is calculated with touch-screen driving chip is consistent, and setting-out test module by drawing a line on the touchscreen, by setting-out
Track be shown in real time on panel, come detect the continuity of capacitance plate response and coordinate position correspondence.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the touch-screen and display screen integrated test system based on On-Cell of the invention, realize testing touch screen with
The integration testing of display screen test, for the driving chip of different manufacturers, client need not change corresponding test environment, reduce
Testing cost, simplifies testing process, improves testing efficiency.
2nd, the touch-screen and display screen integrated test system based on On-Cell of the invention, can realize getting ready for touch-screen
Test and setting-out test, enhance test function to meet the requirements at the higher level to product quality.
3rd, the touch-screen and display screen integrated test system based on On-Cell of the invention, by increasing automation auxiliary
Device structure integration testing unit, automatic test of the touch-screen in different test environments can be realized.
4th, the touch-screen and display screen integrated test system based on On-Cell of the invention, will be touched by communication unit
Screen test carries out unification with display screen test data, takes calling dynamic link library, realizes the integrated of test software, Neng Gouzhi
Hold all test samples.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is internal structure schematic diagram of the present invention；
Fig. 3 is partial structural diagram of the present invention；
Fig. 4 is test system framework figure of the present invention；
Fig. 5 is test cell frame diagram of the present invention；
Fig. 6 is invention software control platform frame diagram.
In figure：1 touch display screen body, 2 Buddha's warrior attendant glass covering bodies, 3 touch screen bodies, 4 liquid crystal display bodies, 5 bondings
Agent.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-6, a kind of touch-screen and display screen integrated test system based on On Cell are referred to, including touches display
Shield body 1, it is characterised in that：Touch display screen body 1 includes touch screen body 3 and liquid crystal display body 4, touch screen body respectively
3 are located at the top of liquid crystal display body 4, and the top of touch display screen body 1 is provided with Buddha's warrior attendant glass covering body 2, Buddha's warrior attendant glass cover
Face body 2 is located at the top of touch screen body 3, leads between Buddha's warrior attendant glass covering body 2, touch screen body 3 and liquid crystal display body 4
Cross bonding agent 5 to be bonded, including control process unit module, control process unit module are miniature control process unit, are used
To control detection module and interface module to complete touch-screen integration testing unit, the output end of control process unit module and input
End is electrically connected with the output end and input of communication unit module, and the output end and input of communication unit module electrically connect
Connect the output end and input of touch-screen integration testing unit, the output end and input of communication unit module are electrically connected with aobvious
The input and input of display screen dust test cell, the output end and input of communication unit module are electrically connected with automation
The output end and input of auxiliary equipment structure assembly test cell, automation auxiliary equipment structure assembly test cell be for
Auxiliary touch-screen integration testing unit and display screen integration testing unit so that touch-screen and display screen realize different test environments
Automatic test, automation auxiliary equipment structure assembly test cell includes testing touch screen project, display screen test event
With integration testing project, automate the output end of auxiliary equipment structure assembly test cell and input is electrically connected with touch-screen and surveyed
The input and output end of examination project, the output end and input for automating auxiliary equipment structure assembly test cell are electrically connected with
The input and output end of display screen test event, automate the output end and input of auxiliary equipment structure assembly test cell
The input and output end of integration testing project are electrically connected with, the output end and input of touching test project, which are electrically connected with, to be touched
Shield the input and output end of electric performance test module, the output end and input of touching test project are electrically connected with touch-screen and driven
The input and output end of dynamic chip functionality test module, the output end and input of testing touch screen project, which are electrically connected with, to be touched
The input and output end of the touching test module of screen are touched, the power consumption that touch-screen electric performance test module is used to detect touch-screen is
It is no to meet to require, including normal mode of operation power consumption and park mode power consumption, touch-screen driving chip functional test mould
Block is used to detect touch-screen driving chip built-in function item and whether the circuit of external connection is normal, the touch layer test of touch-screen
Module is accuracy for detecting touching test and continuity detection, and the output end and input of display screen test event are electrical
The input and output end of display screen electric performance test module are connected, the output end and input of display screen test event electrically connect
The input and output end of display screen display performance regulation test module are connect, the electric performance test module of display screen is for detecting
Whether the power consumption of display screen, which meets, requires, including normal mode of operation power consumption and park mode power consumption, display screen display property
Test module can be adjusted to be used for adjusting display screen internal Flash degree display subtest index related to other, integration testing project
Output end and input be electrically connected with and get the input and output end of test module ready, the output end of integration testing project and defeated
Enter input and output end that end is electrically connected with setting-out test module, get test module ready and artificial click electricity is simulated by conducting resinl
Rong Ping, detection get whether coordinate is consistent with the coordinate that touch-screen driving chip calculates, and setting-out test module is by touching ready
Screen one line of upper picture is touched, the track of setting-out is included on panel in real time, to detect the response of the continuity of capacitance plate and coordinate
The correspondence of position.
Control process unit module includes control process module, and the output end and input of control process module are electrically connected with
The input and output end of interface module, interface module include first interface module and second interface module, first interface module
For I2C interface module, second interface module is SPI interface module, and I2C is twin wire serial bus interface, and SPI is serial peripheral
Interface, the output end and input of interface module are electrically connected with the input and output end of first interface module, interface module
Output end and input are electrically connected with the input and output end of second interface module, the output end and input of control processor
The input and output end of detection module are electrically connected with, detection module is for producing detection voltage and completing the inspection of current detecting
Device is surveyed, detection voltage includes first via voltage, the second road voltage and the 3rd road voltage, and the magnitude of voltage per road voltage is 1-5V,
Detection module includes first detection module, the second detection module and the 3rd detection module respectively, the output end of detection module and defeated
Enter input and output end that end is electrically connected with first detection module, the output end and input of detection module are electrically connected with second
The input and output end of detection module, the output end and input of detection module are electrically connected with the input of the 3rd detection module
And output end, the output end and input of control process module are electrically connected with the input and output end of communication module, communicate mould
Block includes the first communication module, the second communication module and the 3rd communication module respectively, and the first communication module is UART communication modules,
Second communication module is USB communication module, and the 3rd communication module is RS232 communication modules, for touch-screen integration testing unit
Data communication is carried out with external equipment, UART is universal asynchronous receiving-transmitting transmitter, and RS232 is personal computer communication interface, USB
For USB, the output end and input of communication module are electrically connected with input and the output of the first communication module
End, the output end and input of communication module are electrically connected with the input and output end of the second communication module, communication module it is defeated
Go out end and input is electrically connected with the input and output end of the 3rd communication module.
Control process unit module includes operation test interface module, and operation test interface module controls including the system integration
Program module, the output end and input for operating test interface module are electrically connected with the defeated of testing touch screen PC program load-on modules
Enter end and output end, operate the output end of test interface module and input is electrically connected with display screen test hardware program and downloads mould
The input and output end of block, the output end and input for operating test interface module are electrically connected with testing touch screen hardware firmware
The input and output end of download module.
In summary：The touch-screen and display screen integrated test system based on On Cell, realize testing touch screen with
The integration testing of display screen test, for the driving chip of different manufacturers, client need not change corresponding test environment, reduce
Testing cost, simplifies testing process, improves testing efficiency, and that realizes touch-screen gets test and setting-out test, enhancing ready
Test function automates auxiliary equipment structure assembly test cell to meet the requirements at the higher level to product quality, by increasing,
Automatic test of the touch-screen in different test environments can be realized, is tested testing touch screen and display screen by communication unit
Data carry out unification, take calling dynamic link library, realize the integrated of test software, it would be preferable to support all test samples.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of touch-screen and display screen integrated test system based on On Cell, including control process unit module, its feature
It is：The output end and input of the control process unit module are electrically connected with output end and the input of communication unit module
End, the output end and input of the communication unit module are electrically connected with output end and the input of touch-screen integration testing unit
End, the output end and input of the communication unit module are electrically connected with input and the input of display screen dust test cell
End, the output end and input of the communication unit module are electrically connected with automation auxiliary equipment structure assembly test cell
Output end and input, the automation auxiliary equipment structure assembly test cell includes testing touch screen project, display screen is surveyed
Examination project and integration testing project, the output end and input of the automation auxiliary equipment structure assembly test cell electrically connect
Connect the input and output end of touch-screen test event, the output end of the automation auxiliary equipment structure assembly test cell and
Input is electrically connected with the input and output end of display screen test event, and the automation auxiliary equipment structure assembly test is single
The output end and input of member are electrically connected with the input and output end of integration testing project, the output of the touching test project
End and input are electrically connected with the input and output end of touch-screen electric performance test module, the output of the touching test project
End and input are electrically connected with the input and output end of touch-screen driving chip functional test module, the testing touch screen
The output end and input of project are electrically connected with the input and output end of the touching test module of touch-screen, and the display screen is surveyed
The output end and input of examination project are electrically connected with the input and output end of display screen electric performance test module, the display screen
The output end and input of test event are electrically connected with the input and output end of display screen display performance regulation test module, institute
The output end and input for stating integration testing project are electrically connected with the input and output end for getting test module ready, the integrated survey
The output end and input of examination project are electrically connected with the input and output end of setting-out test module；
The control process unit module includes control process module, and the output end and input of the control process module are electrical
The input and output end of connection interface module, the interface module includes first interface module and second interface module, described
The output end and input of interface module are electrically connected with the input and output end of first interface module, the interface module it is defeated
Go out end and input is electrically connected with the input and output end of second interface module, the output end of the control processor and input
End is electrically connected with the input and output end of detection module, and the detection module includes first detection module, the second detection respectively
Module and the 3rd detection module, the output end and input of the detection module be electrically connected with first detection module input and
Output end, the output end and input of the detection module are electrically connected with the input and output end of the second detection module, described
The output end and input of detection module are electrically connected with the input and output end of the 3rd detection module, the control process module
Output end and input be electrically connected with communication module input and output end, the communication module respectively include first communication
Module, the second communication module and the 3rd communication module, the output end and input of the communication module are electrically connected with the first communication
The input and output end of module, the output end and input of the communication module are electrically connected with the input of the second communication module
And output end, the output end and input of the communication module are electrically connected with the input and output end of the 3rd communication module；
The control process unit module includes operation test interface module, and the operation test interface module includes the system integration
Control program module, the output end and input of the operation test interface module are electrically connected with the loading of testing touch screen PC programs
The input and output end of module, the output end and input of the operation test interface module are electrically connected with display screen test firmly
The input and output end of part download program module, the output end and input of the operation test interface module are electrically connected with and touched
Touch the input and output end of screen test hardware firmware download module.
2. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, including touch
Display screen body (1), it is characterised in that：The touch display screen body (1) includes touch screen body (3) and liquid crystal display sheet respectively
Body (4), the touch screen body (3) are located at the top of liquid crystal display body (4), set at the top of the touch display screen body (1)
There is Buddha's warrior attendant glass covering body (2), the Buddha's warrior attendant glass covering body (2) is located at the top of touch screen body (3), the Buddha's warrior attendant
It is bonded between glass covering body (2), touch screen body (3) and liquid crystal display body (4) by bonding agent (5).
3. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：The first interface module is I2C interface module, and the second interface module is SPI interface module, and the I2C is two lines
Formula serial bus interface, the SPI are Serial Peripheral Interface (SPI)s.
4. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：The detection module is for producing detection voltage and completing the detection means of current detecting, and the detection voltage includes the
Voltage, the second road voltage and the 3rd road voltage all the way, the magnitude of voltage per road voltage is 1-5V.
5. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：First communication module is UART communication modules, and second communication module is USB communication module, the 3rd communication
Module is RS232 communication modules, and data communication, the UART are carried out for the touch-screen integration testing unit and external equipment
For universal asynchronous receiving-transmitting transmitter, the RS232 is personal computer communication interface, and the USB is USB.
6. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：The control process unit module is miniature control process unit, for controlling detection module and interface module to complete to touch
Shield integration testing unit.
7. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：The automation auxiliary equipment structure assembly test cell is integrated for auxiliary touch-screen integration testing unit and display screen
Test cell so that touch-screen and display screen realize the automatic test of different test environments.
8. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：Whether the power consumption that the touch-screen electric performance test module is used to detect touch-screen meets to require, including normal work
Mode power consumption and park mode power consumption, the touch-screen driving chip functional test module are used to detect touch-screen driving chip
Whether built-in function item and the circuit of external connection are normal, and the touch layer test module of touch-screen is for detecting touching test
Accuracy and continuity detection.
9. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature exist
In：The electric performance test module of the display screen is for detecting whether the power consumption of display screen meets to require, including normal
Mode of operation power consumption and park mode power consumption, display screen display performance regulation test module are used for adjusting display screen internal Flash degree
Display subtest index related to other.
10. a kind of touch-screen and display screen integrated test system based on On Cell according to claim 1, its feature
It is：It is described get ready test module by conducting resinl simulate it is artificial click on capacitance plate, detection get ready coordinate whether with touch-screen
The coordinate that driving chip calculates is consistent, and setting-out test module is real-time by the track of setting-out by drawing a line on the touchscreen
Be shown on panel, come detect the continuity of capacitance plate response and coordinate position correspondence.
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Cited By (5)
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| CN109521291A (en) * | 2018-10-31 | 2019-03-26 | 安徽奕辉电子科技有限公司 | A kind of detection device and method of capacitive touch screen |
| CN111415605A (en) * | 2020-03-20 | 2020-07-14 | 深圳同兴达科技股份有限公司 | On-line test system and test method of liquid crystal display module |
| CN111812438A (en) * | 2020-07-15 | 2020-10-23 | 苏州聚点智能科技有限公司 | Universal touch screen test control mainboard |
| CN111904159A (en) * | 2020-07-31 | 2020-11-10 | 深圳市中和智通智能科技有限公司 | Multi-purpose intelligent touch screen tea table double-screen bonding process |
| CN117538672A (en) * | 2024-01-10 | 2024-02-09 | 深圳市坤巨实业有限公司 | Test method and device for target capacitive screen and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521291A (en) * | 2018-10-31 | 2019-03-26 | 安徽奕辉电子科技有限公司 | A kind of detection device and method of capacitive touch screen |
| CN111415605A (en) * | 2020-03-20 | 2020-07-14 | 深圳同兴达科技股份有限公司 | On-line test system and test method of liquid crystal display module |
| CN111812438A (en) * | 2020-07-15 | 2020-10-23 | 苏州聚点智能科技有限公司 | Universal touch screen test control mainboard |
| CN111904159A (en) * | 2020-07-31 | 2020-11-10 | 深圳市中和智通智能科技有限公司 | Multi-purpose intelligent touch screen tea table double-screen bonding process |
| CN117538672A (en) * | 2024-01-10 | 2024-02-09 | 深圳市坤巨实业有限公司 | Test method and device for target capacitive screen and electronic equipment |
| CN117538672B (en) * | 2024-01-10 | 2024-05-24 | 深圳市坤巨实业有限公司 | Test method and device for target capacitive screen and electronic equipment |
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