CN206224411U - Touch-screen and display screen integrated test system based on On Cell - Google Patents
Touch-screen and display screen integrated test system based on On Cell Download PDFInfo
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- CN206224411U CN206224411U CN201620974942.4U CN201620974942U CN206224411U CN 206224411 U CN206224411 U CN 206224411U CN 201620974942 U CN201620974942 U CN 201620974942U CN 206224411 U CN206224411 U CN 206224411U
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Abstract
The utility model discloses a kind of touch-screen based on On Cell and display screen integrated test system, including testing touch screen unit, display screen test cell, control process unit and communication unit, wherein testing touch screen unit, for carrying out touching test to touch-screen and sending to control process unit test result；Display screen test cell, for carrying out display test to display screen and sending to control process unit test result；Control process unit, for sending control information to above-mentioned test cell, is additionally operable to receive and process test result；Communication unit, for the information and date communication between testing touch screen unit and display screen test cell and control process unit.The utility model realizes the integration testing of testing touch screen and display screen test, and for the driving chip of different manufacturers, client need not change corresponding test environment, reduce testing cost, simplify testing process, improve testing efficiency.
Description
Technical field
The utility model is related to product test technical field.More particularly, to a kind of touch-screen based on On-Cell and
Display screen integrated test system.
Background technology
Current mobile terminal device is essentially all to carry out man-machine friendship in the way 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 between the two and coexist.At end
Needed protective glass in end equipment production process, touch-screen, the part of display screen three is overlapped mutually.In order to will be thirdly part
Without influence display effect after superposition, three kinds of technologies are extended at present：OGS (One Glass Solution, one chip touch surface
Plate) technology, ON-CELL technologies, IN-CELL technologies.
As shown in figure 1, ON-CELL refers to that touch-screen is embedded between the colored filter substrate of display screen and polaroid
Method, i.e. the technology with touch sensor on a display screen, its technical difficulty and advantage between OGS and IN-CELL technologies it
Between, therefore suffer from the welcome of many display screen production firms.There are many well-known manufacturers to be just based in large batch of volume production at present
The display screen of ON-CELL technologies.But for manufacturer, the display screen based on ON-CELL technologies exists in testing
Problems with：
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 replacing test product time are long.Display screen is tested and testing touch screen scheme is not from
Same manufacturer, corresponding operation software can not be effectively combined, not only to the inconvenient operation of operator, when also increasing test
Between.
3rd, cannot carry out getting test and setting-out test ready.The test system of touch-screen is according to the different of different manufacturers chip
Difference, result in can not be communicated and be 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, and manufacturer terminal so very high for quality requirements is beyond affordability.
4th, can not be tested using the structure of automation.Different test producer, there is provided different test environments, if
Then the test system of automation must effectively be tied with contact panel test system using the testing scheme of automation
Close.
Accordingly, it is desirable to provide a kind of touch-screen and display screen integrated test system based on On-Cell, realize that touch-screen is surveyed
Examination and the effective integration test of display screen test.
The content of the invention
In order to overcome drawbacks described above, the purpose of this utility model is to provide a kind of touch-screen based on On-Cell and show
Display screen integrated test system come realize testing touch screen and display screen test effective integration test.
To reach above-mentioned purpose, the utility model uses following technical proposals：
A kind of touch-screen and display screen integrated test system based on On-Cell, the system include testing touch screen unit,
Display screen test cell, control process unit and communication unit, wherein
Testing touch screen unit, electrically connects with control process unit, for carrying out touching test to touch-screen and will test
Result is sent to control process unit；
Display screen test cell, electrically connects with control process unit, tests and will test for carrying out display to display screen
Result is sent to control process unit；
Control process unit, for sending control information to testing touch screen unit and display screen test cell, is additionally operable to
Receive and process the test result that testing touch screen unit and display screen test cell send；
Communication unit, for the information between testing touch screen unit and display screen test cell and control process unit with
Data communication；
Wherein, On-Cell is the technology with touch sensor on liquid crystal panel, and touch-screen specifically is embedded into display
Between the colored filter substrate and polaroid of screen.
Preferably, testing touch screen unit includes detection module, interface module, communication module and control module, wherein
Detection module is used to produce detection voltage and completes current detecting；
Interface module includes output interface and control I/O interfaces；
Communication module includes UART, USB and RS232, and data communication is carried out for testing touch screen unit and external equipment；
Control module is micro-control unit, for controlling detection module and interface module to complete testing touch screen；
Wherein, I/O interfaces are input-output apparatus interface, and UART is universal asynchronous receiving-transmitting transmitter, and RS232 is individual
Computer communication interface, USB is USB.
It is further preferred that detection voltage includes first via voltage, the second road voltage and the 3rd road voltage, per road voltage
Magnitude of voltage is 1-5V.
It is further preferred that each road magnitude of voltage according to actually detected it needs to be determined that.
Preferably, output interface supports I2C, SPI and ADC input, wherein, I2C is twin wire serial bus interface, SPI
It is Serial Peripheral Interface (SPI), ADC is analog-digital converter.
Preferably, integrated test system also includes automatic structure test cell, automatic structure test cell and control
Processing unit is electrically connected, for auxiliary touch-screen test cell and display screen test cell, realize different test environments from
Dynamicization is tested.
It is further preferred that test event includes testing touch screen project, display screen test event and integration testing project,
Wherein
Testing touch screen project includes electric performance test, the functional test of touch-screen driving chip, the touch-screen of touch-screen
Touching test；
Display screen test event includes the regulation and test of the electric performance test and display screen display performance of display screen；
Integration testing project includes getting test and setting-out test ready.
It is further preferred that the electric performance test of touch-screen is used to detect whether the power consumption of touch-screen meets requirement, wherein
Comprising normal mode of operation power consumption and park mode power consumption；
The functional test of touch-screen driving chip is used to detect touch-screen driving chip built-in function and and external connection
Circuit it is whether normal；
The touching test of touch-screen is detected comprising accuracy, continuity.
Preferably, whether the power consumption of the electric performance test detection display screen of display screen meets requirement, wherein comprising normal work
Operation mode power consumption and park mode power consumption；
Flicker degree display auxiliary related to other that the regulation of display screen display performance is used for adjusting display screen to test is surveyed
Examination index.
Preferably, get ready test by conducting resinl simulate it is artificial click on capacitance plate, detect get ready coordinate whether with touch
The coordinate that screen driving chip is calculated is consistent；
Setting-out test includes being detected on panel in real time by drawing a line on the touchscreen, by the track of setting-out
The continuity response of capacitance plate and the correspondence of coordinate position.
The beneficial effects of the utility model are as follows：
1. touch-screen and display screen integrated test system based on On-Cell of the present utility model, realize touch-screen survey
The integration testing that examination is tested with display screen, for the driving chip of different manufacturers, client need not change corresponding test environment,
Testing cost is reduced, testing process is simplified, testing efficiency is improve；
2. touch-screen and display screen integrated test system based on On-Cell of the present utility model, can realize touch-screen
Get test and setting-out test ready, enhance test function to meet the requirements at the higher level to product quality；
3. touch-screen and display screen integrated test system based on On-Cell of the present utility model, are automated by increasing
Structured testing unit, can realize automatic test of the touch-screen in different test environments.
4. touch-screen and display screen integrated test system based on On-Cell of the present utility model, are incited somebody to action by communication unit
Testing touch screen is unified with display screen test data, takes and calls dynamic link library, realizes the integrated of test software, energy
Enough support all test samples.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the position relationship schematic diagram of touch-screen and display screen in ON-CELL technologies.
Fig. 2 shows integrated test system frame diagram in embodiment 1.
Fig. 3 shows the structural framing figure of testing touch screen unit.
Fig. 4 shows integrated test system frame diagram in embodiment 2.
Fig. 5 shows software platform schematic diagram.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit protection domain of the present utility model with this.
Embodiment 1
In the present embodiment, as shown in Fig. 2 a kind of touch-screen and display screen integrated test system based on On-Cell, this is
System includes testing touch screen unit, display screen test cell, control process unit and communication unit.
Testing touch screen unit, electrically connects with control process unit, for carrying out touching test to touch-screen and will test
Result is sent to control process unit.As shown in figure 3, testing touch screen unit includes detection module, interface module, communication module
And control module, wherein detection module is for producing detection voltage and completing current detecting；Interface module include output interface and
Control I/O interfaces, I/O interfaces are input-output apparatus interfaces；Communication module includes UART, USB and RS232, for touch-screen
Test cell carries out data communication with external equipment；Control module is micro-control unit, is used in the present embodiment
STM32F405ZGT6 chips, for controlling detection module and interface module to complete testing touch screen；Wherein, I/O interfaces are defeated
Enter/output equipment interface, UART is universal asynchronous receiving-transmitting transmitter, and RS232 is personal computer communication interface, and USB is general
Serial bus interface.
In the present embodiment, detection voltage includes first via voltage U1, the second road voltage U2With the 3rd road voltage U3, the electricity per road
The magnitude of voltage of pressure is 1-5V.Each road magnitude of voltage be it is adjustable, according to actually detected it needs to be determined that.Output interface support I2C,
SPI and ADC is input into, wherein, I2C is twin wire serial bus interface, and SPI is Serial Peripheral Interface (SPI), and ADC is analog-digital converter.
At present, all on 2 to 3 fixed tunnels, every voltage all the way is all for the voltage that all of capacitance plate Driver IC are used
Within 1V-5V, while the interface of IC is substantially I2C, testing touch screen in SPI interface, therefore the present embodiment is occasionally there are
System can produce 3 road voltages, and 1V-5V voltages can be produced per voltage all the way, and I2C and two kinds of SPI is included in communication interface, that
Most capacitance plate test can just be met.
Display screen test cell, electrically connects with control process unit, tests and will test for carrying out display to display screen
Result is sent to control process unit.
Control process unit, for sending control information to testing touch screen unit and display screen test cell, is additionally operable to
Receive and process the test result that testing touch screen unit and display screen test cell send.
Communication unit, for the information between testing touch screen unit and display screen test cell and control process unit with
Data communication.
Operation principle is as follows：
During test, control process unit sends test instruction, and above-mentioned test instruction is sent to touch-screen and surveyed by communication unit
Examination unit and display screen test cell, testing touch screen unit and display screen test cell carry out touch-screen and display screen respectively
Items test.After test terminates, testing touch screen unit and display screen test cell are respectively by respective test result by logical
News unit is sent to control process unit, and control process unit is collected and treatment, generation final testing result to data.Should
It is noted that testing touch screen unit selects required voltage way to be tested according to touch-screen driving chip, output interface
It is connected with hardware device with control I/O interfaces, UART is connected with display screen test cell.
In the present embodiment, test event includes testing touch screen project, display screen test event and integration testing project.
Testing touch screen project includes electric performance test, the functional test of touch-screen driving chip, the touch-screen of touch-screen
Touching test, the wherein electric performance test of touch-screen is used to detect whether the power consumption of touch-screen meets requirement, wherein comprising just
Normal mode of operation power consumption and park mode power consumption；The functional test of touch-screen driving chip is used to detect in touch-screen driving chip
Portion's function items and whether normal with the circuit of external connection；The touching test of touch-screen is detected comprising accuracy, continuity.
Display screen test event includes the regulation and test of the electric performance test and display screen display performance of display screen, its
In, whether the power consumption of the electric performance test of display screen detection display screen meets requirement, wherein comprising normal mode of operation power consumption and
Park mode power consumption；The regulation of display screen display performance is auxiliary to flicker degree display related to other that test is used for adjusting display screen
Help test index.
Integration testing project includes getting test and setting-out test ready, wherein, get test ready and artificial point is simulated by conducting resinl
Capacitance plate is hit, whether it is consistent with the coordinate that touch-screen driving chip is calculated that coordinate is got in detection ready；Setting-out test is by touching
Screen one line of upper picture is touched, the track of setting-out is included the continuity that capacitance plate is detected on panel is responded and coordinate in real time
The correspondence of position.
Embodiment 2
In the present embodiment, as shown in figure 4, a kind of touch-screen and display screen integrated test system based on On-Cell, this is
System also includes automatic structure test cell, and automatic structure test cell is electrically connected with control process unit, for aiding in touching
Screen test cell and display screen test cell are touched, the automatic test in different test environments is realized.RS232 and automatic structure
Test cell is connected.
It is integrated by test testing touch screen and display screen in above-mentioned two embodiment, realize test hardware
It is unified, it is complete with reference to dynamic link library thinking is called on the basis of communication unit is communicated the data of different test cells
Into the unification of software, the support to all test samples is realized.As shown in figure 5, in the utility model, using a system
One software platform, unified detection project uses unified graphical interfaces, and different detection algorithm is calling corresponding DLL texts
Part is tested.More preferable machine correspondence, 5 parts are divided into by software for convenience：Operation test interface, display test are hard
Part program, testing touch screen hardware firmware, touching test PC programs, system flow program.System flow program loads touch-screen
PC programs are tested, and downloads to display screen and tested in hardware program and testing touch screen hardware firmware, during test, operating personnel exist
Test interface performs operation.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to implementation method of the present utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms, all of implementation method cannot be exhaustive here,
It is every to belong to the obvious change or change still in of the present utility model that the technical solution of the utility model extends out
The row of protection domain.
Claims (10)
1. a kind of touch-screen and display screen integrated test system based on On-Cell, it is characterised in that the system includes touch-screen
Test cell, display screen test cell, control process unit and communication unit, wherein
Testing touch screen unit, electrically connects with the control process unit, for carrying out touching test to touch-screen and will test
Result is sent to the control process unit；
Display screen test cell, electrically connects with the control process unit, tests and will test for carrying out display to display screen
Result is sent to the control process unit；
Control process unit, for sending control information to the testing touch screen unit and the display screen test cell, also
For receiving and process the test result that the testing touch screen unit and the display screen test cell send；
Communication unit, between the testing touch screen unit and the display screen test cell and the control process unit
Information and date communication；
Wherein, the On-Cell is the technology with touch sensor on liquid crystal panel, and touch-screen specifically is embedded into display
Between the colored filter substrate and polaroid of screen.
2. integrated test system according to claim 1, it is characterised in that the testing touch screen unit includes detection mould
Block, interface module, communication module and control module, wherein
Detection module is used to produce detection voltage and completes current detecting；
Interface module includes output interface and control I/O interfaces；
Communication module includes UART, USB and RS232, and data communication is carried out for the testing touch screen unit and external equipment；
Control module is micro-control unit, for controlling detection module and interface module to complete testing touch screen；
Wherein, the I/O interfaces are input-output apparatus interface, and the UART is universal asynchronous receiving-transmitting transmitter, described
RS232 is personal computer communication interface, and the USB is USB.
3. integrated test system according to claim 2, it is characterised in that the detection voltage include first via voltage,
Second road voltage and the 3rd road voltage, the magnitude of voltage per road voltage are 1-5V.
4. integrated test system according to claim 3, it is characterised in that each road magnitude of voltage is according to actually detected need
Determine.
5. integrated test system according to claim 2, it is characterised in that the output interface support I2C, SPI and
ADC is input into, wherein, the I2C is twin wire serial bus interface, and the SPI is Serial Peripheral Interface (SPI), and the ADC is modulus
Converter.
6. integrated test system according to claim 1, it is characterised in that the integrated test system also includes automatic
Change structured testing unit, the automatic structure test cell is electrically connected with the control process unit, for auxiliary touch-screen
Test cell and display screen test cell, realize the automatic test in different test environments.
7. integrated test system according to claim 6, it is characterised in that the test event of the automatic test includes
Testing touch screen project, display screen test event and integration testing project, wherein
The electric performance test of testing touch screen project including touch-screen, the functional test of touch-screen driving chip, touch-screen are touched
Touch test；
Display screen test event includes the regulation and test of the electric performance test and display screen display performance of display screen；
Integration testing project includes getting test and setting-out test ready.
8. integrated test system according to claim 7, it is characterised in that the electric performance test of the touch-screen is used to examine
Whether the power consumption for surveying touch-screen meets requirement, wherein comprising normal mode of operation power consumption and park mode power consumption；
The functional test of touch-screen driving chip is used to detect touch-screen driving chip built-in function and the line with external connection
Whether road is normal；
The touching test of touch-screen is detected comprising accuracy, continuity.
9. integrated test system according to claim 7, it is characterised in that the electric performance test detection of the display screen is aobvious
Whether the power consumption of display screen meets requirement, wherein comprising normal mode of operation power consumption and park mode power consumption；
Flicker degree display subtest related to other that the regulation of display screen display performance is used for adjusting display screen to test refers to
Mark.
10. integrated test system according to claim 7, it is characterised in that described to get test ready and simulated by conducting resinl
Artificial to click on capacitance plate, whether coordinate is got in detection ready consistent with the coordinate that touch-screen driving chip is calculated；
Setting-out test includes detecting electric capacity on panel in real time by drawing a line on the touchscreen, by the track of setting-out
The continuity response of screen and the correspondence of coordinate position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974942.4U CN206224411U (en) | 2016-08-30 | 2016-08-30 | Touch-screen and display screen integrated test system based on On Cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620974942.4U CN206224411U (en) | 2016-08-30 | 2016-08-30 | Touch-screen and display screen integrated test system based on On Cell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354312A (en) * | 2016-08-30 | 2017-01-25 | 苏州华兴源创电子科技有限公司 | On-Cell based touch screen and display screen integration testing system |
| CN108845438A (en) * | 2018-04-19 | 2018-11-20 | 苏州华兴源创电子科技有限公司 | LCD panel test device and method |
| CN109142931A (en) * | 2018-09-03 | 2019-01-04 | 苏州华兴源创科技股份有限公司 | A kind of system and method for piezoelectric ceramics test |
| 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 |
-
2016
- 2016-08-30 CN CN201620974942.4U patent/CN206224411U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354312A (en) * | 2016-08-30 | 2017-01-25 | 苏州华兴源创电子科技有限公司 | On-Cell based touch screen and display screen integration testing system |
| CN106354312B (en) * | 2016-08-30 | 2023-10-24 | 苏州华兴源创科技股份有限公司 | Touch screen and display screen integrated test system based On-Cell |
| CN108845438A (en) * | 2018-04-19 | 2018-11-20 | 苏州华兴源创电子科技有限公司 | LCD panel test device and method |
| CN109142931A (en) * | 2018-09-03 | 2019-01-04 | 苏州华兴源创科技股份有限公司 | A kind of system and method for piezoelectric ceramics test |
| 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 |
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Address after: 215000 Qingqiu Lane 8, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou Huaxing source Polytron Technologies Inc Address before: 215011 East Fang Industrial Park, No. 1 Huayun Road, Suzhou Industrial Park, Jiangsu Province, 2nd Floor Patentee before: Suzhou HYC Electronic Technology Co., Ltd. |
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