CN204462583U - Liquid crystal panel test system - Google Patents
Liquid crystal panel test system Download PDFInfo
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- CN204462583U CN204462583U CN201520127567.5U CN201520127567U CN204462583U CN 204462583 U CN204462583 U CN 204462583U CN 201520127567 U CN201520127567 U CN 201520127567U CN 204462583 U CN204462583 U CN 204462583U
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- 238000012360 testing method Methods 0.000 title claims abstract description 278
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 82
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 13
- 239000010409 thin film Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model provides a kind of liquid crystal panel test system, and this test macro comprises liquid crystal panel, test module, master controller, measuring signal generator and display device.Liquid crystal panel is provided with panel test terminal region and elargol test lead subarea.Test module is provided with elargol test and spells pin and panel test spelling pin, pin and the subarea pressing of elargol test lead are spelled in elargol test, and panel test spells pin and the pressing of panel test terminal region.Master controller is connected with test module, and master controller is used for sending the first test signal and the second test signal to test module.Measuring signal generator is connected with master controller.Display device is used for showing test results, and it is connected with master controller.Wherein, master controller also for receiving the output signal of test module, and judges test result according to output signal.Liquid crystal panel test system of the present utility model can carry out panel test simultaneously and elargol is tested, and saves human resources, and the used time is few, cost is low.
Description
Technical field
The utility model relates to technical field of measurement and test, particularly a kind of liquid crystal panel test system.
Background technology
Liquid crystal indicator (Liquid Crystal Display, LCD) possesses the plurality of advantages such as frivolous, energy-conservation, radiationless, has therefore replaced traditional cathode-ray tube (CRT) (CRT) display gradually.Current liquid crystal display is widely used in the electronic equipments such as HD digital TV, desk-top computer, personal digital assistant (PDA), notebook computer, mobile phone, digital camera.
At present, liquid crystal indicator all has to pass through test step before dispatching from the factory, and the product of test passes just can carry out follow-up production and processing.The test step of liquid crystal indicator comprises panel test and elargol test, and wherein, whether elargol tests the common electrode layer conducting of the common electrode layer of main sense colors filter sheet base plate and thin film transistor base plate.In addition, along with user is to the further requirement of liquid crystal indicator performance, touch display unit arises at the historic moment, especially On cell touch display unit, touch layer is mainly arranged between the colored filter substrate of liquid crystal indicator and polaroid by Oncell touch display unit, therefore, touch display unit must be tested its touch function before dispatching from the factory, and drops into application to prevent bad product.
In the prior art, it is all unaided that the test of panel test, elargol is tested with touch function, that is, first test step of the prior art is carry out elargol test on elargol tester table, after elargol has been tested, panel detection is carried out again on panel detection board, after panel detection completes, arrive touch function tester table again and carry out touch function test, thus, each test phase must be equipped with corresponding personnel and go to detect, and needs a large amount of human resources, both improve cost, test process is consuming time high again.
Therefore, be necessary to provide the technical scheme of improvement to overcome the above technical matters existed in prior art.
Utility model content
In view of above problem, the utility model provides a kind of liquid crystal panel test system, and it can carry out panel test simultaneously and elargol is tested, and saves human resources, and the used time is few, cost is low.
The utility model provides a kind of liquid crystal panel test system, and described liquid crystal panel test system comprises liquid crystal panel, test module, master controller, measuring signal generator and display device.Described liquid crystal panel is provided with panel test terminal region and elargol test lead subarea.Described test module is provided with elargol test and spells pin and panel test spelling pin, pin and described elargol test lead subarea pressing are spelled in described elargol test, and described panel test spells pin and described panel test terminal region pressing.Described master controller is connected with described test module, and described master controller is used for sending the first test signal and the second test signal to described test module.Described measuring signal generator is connected with described master controller.Described display device is used for showing test results, and described display device is connected with described master controller.Wherein, described master controller also for receiving the output signal of described test module, and judges test result according to described output signal.
In preferred embodiment of the present utility model, elargol test lead subarea comprises input end and output terminal.
In preferred embodiment of the present utility model, liquid crystal panel is also provided with touching test terminal region, described touching test terminal region comprises emitter and receiving pole.
In preferred embodiment of the present utility model, test module is also provided with touching test and spells pin, described touching test spells pin and described touching test terminal region pressing.
In preferred embodiment of the present utility model, master controller send the 3rd test signal to the described touching test spelling human hair combing waste of described test module.
In preferred embodiment of the present utility model, described liquid crystal panel comprises colored filter substrate and thin-film transistor array base-plate, described panel test terminal region and described elargol test lead subarea are arranged on described thin-film transistor array base-plate, and part described elargol test lead subarea contacts with described colored filter substrate, described touching test terminal region is arranged on described colored filter substrate.
In preferred embodiment of the present utility model, display device comprises panel test results viewing area, touching test results display area and elargol test result viewing area.
In preferred embodiment of the present utility model, measuring signal generator is provided with the button group for image switching.
Liquid crystal panel test system of the present utility model is arranged in a test module by elargol test spelling pin and panel test are spelled pin, and panel test spells the panel test terminal region pressing in pin and liquid crystal panel, the elargol test lead subarea pressing in pin and liquid crystal panel is spelled in elargol test, and send the first test signal and the second test signal by master controller to test module, and receive by master controller the output signal that pin is spelled in elargol test, judge whether elargol test is qualified according to output signal, in addition, tester can detect on liquid crystal panel that panel whether can normally display frame, this system makes panel test and elargol test to carry out simultaneously, save manpower, reduce cost, and save the time.
Accompanying drawing explanation
The structural representation of a kind of liquid crystal panel test system that Fig. 1 provides for the utility model one embodiment.
The connection diagram that Fig. 2 is the test module in the liquid crystal panel test system shown in Fig. 1 and liquid crystal panel.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of liquid crystal panel test system, method, step, structure, feature and the effect that the utility model proposes, be described in detail as follows.
About aforementioned and other technology contents, feature and effect of the present utility model, can clearly present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the utility model for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but institute's accompanying drawings is only to provide with reference to the use with explanation, is not used for being limited the utility model.
Please also refer to Fig. 1 and Fig. 2, the structural representation of a kind of liquid crystal panel test system that Fig. 1 provides for the utility model one embodiment, the connection diagram that Fig. 2 is the test module in the liquid crystal panel test system shown in Fig. 1 and liquid crystal panel.As shown in Figures 1 and 2, liquid crystal panel test system of the present utility model comprises liquid crystal panel 10, test module 12, master controller 14, measuring signal generator 16 and display device 18.
Wherein, liquid crystal panel 10 is provided with panel test terminal region 100a and elargol test lead subarea 100b, test module 12 is provided with panel test to spell pin 122 and test with elargol and spell pin 120, panel test spells pin 122 and the 100a pressing of panel test terminal region, and pin 120 and the 100b pressing of elargol test lead subarea are spelled in elargol test.Master controller 14 is connected with test module 12, and it is for sending the first test signal and the second test signal to test module 12, and receives the output signal of test module 12, and judges test result according to this output signal.Measuring signal generator 16 is connected with master controller 14.Display device 18 is connected with master controller 14, and it is for showing test results.
Further, display panels 10 comprises colored filter substrate 100 and thin-film transistor array base-plate 102, liquid crystal (not shown) is sealed with in colored filter substrate 100 and thin-film transistor array base-plate 102, panel test terminal region 100a and elargol test lead subarea 100b is arranged on thin-film transistor array base-plate 102, wherein, elargol test lead subarea 100b comprises input end (sign) and output terminal (sign), and part elargol test lead subarea 100b contacts with colored filter substrate 100, elargol test is used for the conduction status of the public electrode of sense colors filter sheet base plate 100 and the public electrode of thin film transistor (TFT) array 102.Display device 18 comprises panel test results viewing area 180 and elargol test result viewing area 182, measuring signal generator 16 is provided with the button group for image switching, and this button group comprises the first button 160 and the second button 162.When measuring signal generator 16 is opened, measuring signal generator 16 provides the voltage needed for work to master controller 14, master controller 14 is started working after receiving the operating voltage that measuring signal generator 16 provides, master controller 14 is spelled pin 122 to the panel test in test module 12 and is sent the second test signal, and send the first test signal to the elargol test spelling pin 120 in test module 12, this first test signal and the second test signal export master controller 14 once again to after liquid crystal panel 10 also test module 12, master controller 14 is according to the signal determining test result exported.
Particularly, because panel test spells the panel test terminal region 100a pressing of pin 122 and liquid crystal panel 10, then the second test signal spells by panel test the panel test terminal region 100a that pin 122 reaches liquid crystal panel 10, with the rotation making the liquid crystal in liquid crystal panel 10 carry out different directions under this second test signal effect, and then make liquid crystal panel 10 present the picture with various grey decision-making, tester judges that whether the picture that this liquid crystal panel 10 shows is qualified, and namely whether liquid crystal panel 10 can normally display frame.Wherein, in the present embodiment, panel test is spelled pin 122 and is comprised multiple panel test spelling pin 122, and the plurality of panel test is spelled pin 122 and contacted by the mode of pressing with the panel test terminal region 100a on liquid crystal panel 10.
Illustrate, suppose that master controller 14 sends 3.8V voltage signal and spells pin 122 to the panel test in test module 12, spell pin 122 due to this panel test and comprise multiple different panel test spelling pin 122, and the voltage that multiple panel test spells pin 122 is all not identical, therefore the multiple panel tests be converted in panel test spelling pin 122 are spelled the multiple different voltage needed for pin 122 by the second test signal, the plurality of different voltage is conducting on liquid crystal panel 10 by panel test terminal region 100a, and then control turning to of liquid crystal in liquid crystal panel 10, to present the picture with various grey decision-making on liquid crystal panel 10, tester judges that whether this liquid crystal panel 10 picture is qualified, if qualified, it is qualified then to show in the panel test results viewing area 180 of display device 18, that is, this liquid crystal panel 10 can normally display frame, if defective, then show defective on the panel test results viewing area 180 of display device 18, that is, this liquid crystal panel 10 can not normally display frame.It should be noted that, in the present embodiment, when tester presses the first button 160 on measuring signal generator 14, liquid crystal panel 10 presents a width picture, when tester presses the second button 162 on measuring signal generator 14, liquid crystal panel 10 presents next width picture.
In addition, master controller 14 is spelled pin 120 to the test of the elargol of test module 12 and is sent the first test signal while sending the second test signal to test module 12, suppose that this first test signal is the voltage signal of 5V, the voltage signal of this 5V is sent to elargol test and spells pin 120 by master controller 14, this first test signal is sent to the elargol test lead subarea 100b on liquid crystal panel 10 by elargol test spelling pin 120, the input end of elargol test lead subarea 100b receives this first test signal, and export this first test signal to elargol test spelling pin 120 by the output terminal of elargol test lead subarea 100b, and then export the first test signal to master controller 14 by elargol test spelling pin 120, the output signal that master controller 14 spells pin 120 according to the elargol test received judges whether elargol test is qualified, suppose that the output signal permissible error scope exporting master controller 14 to is between 0 to 0.5V, if export the output signal of master controller 14 to for being less than the voltage signal of 4.5V, then master controller 14 judges elargol test failure, that is, the public electrode of colored filter substrate 100 and the public electrode of thin-film transistor array base-plate 102 do not have normally, and this test result is exported to the elargol test result viewing area 182 of display device 18, if the output signal exporting master controller 14 to is more than or equal to 4.5V and is less than 5V, then master controller 14 judges elargol test passes, that is, the public electrode of colored filter substrate 100 and the public electrode normally of thin-film transistor array base-plate 102, and this test result is exported to the elargol test result zone 182 of display device 18.In the present embodiment, the number that pin 120 is spelled in elargol test is two, an elargol test is spelled pin 120 and is contacted by the mode of pressing with the input end of elargol test lead subarea 100b, and another one is contacted by the mode of pressing with the output terminal of elargol test lead subarea 100b.
Liquid crystal panel test system of the present utility model is arranged in a test module 12 by elargol test spelling pin 120 is spelled pin 122 with panel test, and panel test spells pin 122 and the panel test terminal region 100a pressing in liquid crystal panel 10, pin 120 and the elargol test lead subarea 100b pressing in liquid crystal panel 10 are spelled in elargol test, and send the first test signal and the second test signal by master controller 14 to test module 12, and receive by master controller 14 output signal that pin 120 is spelled in elargol test, judge whether elargol test is qualified according to output signal, in addition, tester can detect on liquid crystal panel 10 that this liquid crystal panel 10 whether can normally display frame, this system makes panel test and elargol test to carry out simultaneously, save manpower, reduce cost, and save the time.
Further, the liquid crystal panel 10 of this liquid crystal panel test system is also provided with touching test terminal region 100c, this touching test terminal region 100c comprises emitter (sign) and receiving pole (sign), test module 12 is also provided with touching test and spells pin 124, this touching test is spelled pin 124 and is arranged on colored filter substrate 100, and display device 180 also comprises touching test results display area 184.In the present embodiment, touching test is spelled pin 124 and is comprised multiple touching test spelling pin 124, and the plurality of touching test is spelled pin 124 and contacted by the mode of pressing with the touching test terminal region 100c on liquid crystal panel 10.
When measuring signal generator 16 is opened, master controller 14 sends the 3rd test signal to the touching test spelling pin 124 of test module 12, touching test is spelled pin 124 and is conducting on liquid crystal panel 10 by the receiving pole of the touching test terminal region 100c with its pressing by the 3rd test signal, and by the emitter of the touching test terminal region 100c on liquid crystal panel 10, the 3rd test signal is sent to touching test and spells pin 124, touching test is spelled pin 124 and is exported this signal to master controller 14 again, whether master controller 14 is qualified according to the signal determining touching test of this output, and result of determination is presented at the touching test results display area 184 of display device 18.Wherein, owing to forming inductance capacitance between the emitter of the touching test terminal region 100c on liquid crystal panel 10 and receiving pole, therefore be conducting to the 3rd test signal on liquid crystal panel 10 spelling when pin 124 feeds back to master controller 14 can impact the capacitance of the inductance capacitance formed between emitter and receiving pole through the receiving pole of touching test terminal region 100c and touching test, whether in allowed limits master controller 14 judges the capacitance change of this inductance capacitance, to judge that whether touching test is qualified, if the capacitance changing value of inductance capacitance in allowed limits, then touch function is qualified, if the capacitance changing value of inductance capacitance is not in allowed limits, then touch function is defective.It should be noted that, liquid crystal panel 10 is provided with line of induction (not shown) and drive wire (not shown), the emitter of touching test terminal region 100c is connected with drive wire, the receiving pole of touching test terminal region 100c is connected with the line of induction, and the inductance capacitance between emitter and receiving pole is the inductance capacitance between drive wire and the line of induction.
The liquid crystal panel test system of the present embodiment is arranged on test module 12 by touching test being spelled pin 124, and send the 3rd test signal by master controller 14, and it is whether qualified according to the output signal exporting master controller 14 to, to judge that whether touch function is qualified, this touch function test process synchronously can carry out with panel test process and elargol test process, reduce further cost, save the time.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a liquid crystal panel test system, is characterized in that, described liquid crystal panel test system comprises:
Liquid crystal panel, described liquid crystal panel is provided with panel test terminal region and elargol test lead subarea;
Test module, described test module is provided with elargol test and spells pin and panel test spelling pin, pin and described elargol test lead subarea pressing are spelled in described elargol test, and described panel test spells pin and described panel test terminal region pressing;
Master controller, described master controller is connected with described test module, and described master controller is used for sending the first test signal and the second test signal to described test module;
Measuring signal generator, described measuring signal generator is connected with described master controller;
Display device, for showing test results, described display device is connected with described master controller;
Wherein, described master controller also for receiving the output signal of described test module, and judges test result according to described output signal.
2. liquid crystal panel test system as claimed in claim 1, it is characterized in that, described elargol test lead subarea comprises input end and output terminal.
3. liquid crystal panel test system as claimed in claim 1, it is characterized in that, described liquid crystal panel is also provided with touching test terminal region, described touching test terminal region comprises emitter and receiving pole.
4. liquid crystal panel test system as claimed in claim 3, is characterized in that, described test module is also provided with touching test and spells pin, described touching test spells pin and described touching test terminal region pressing.
5. liquid crystal panel test system as claimed in claim 3, is characterized in that, described master controller send the 3rd test signal to the described touching test spelling human hair combing waste of described test module.
6. liquid crystal panel test system as claimed in claim 3, it is characterized in that, described liquid crystal panel comprises colored filter substrate and thin-film transistor array base-plate, described panel test terminal region and described elargol test lead subarea are arranged on described thin-film transistor array base-plate, and part described elargol test lead subarea contacts with described colored filter substrate, described touching test terminal region is arranged on described colored filter substrate.
7. liquid crystal panel test system as claimed in claim 3, it is characterized in that, described display device comprises panel test results viewing area, touching test results display area and elargol test result viewing area.
8. liquid crystal panel test system as claimed in claim 1, is characterized in that, described measuring signal generator is provided with the button group for image switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127567.5U CN204462583U (en) | 2015-03-05 | 2015-03-05 | Liquid crystal panel test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127567.5U CN204462583U (en) | 2015-03-05 | 2015-03-05 | Liquid crystal panel test system |
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| CN204462583U true CN204462583U (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761653A (en) * | 2016-03-18 | 2016-07-13 | 信利（惠州）智能显示有限公司 | Detection method and detection device for display panel |
| CN108363225A (en) * | 2018-02-26 | 2018-08-03 | 深圳市比亚迪电子部品件有限公司 | A kind of LCD method for sticking and covering based on COG techniques |
| CN112860115A (en) * | 2021-03-04 | 2021-05-28 | 武汉华星光电半导体显示技术有限公司 | Display panel and test system and test method thereof |
| CN112904128A (en) * | 2021-01-26 | 2021-06-04 | 北京京东方显示技术有限公司 | Electromagnetic interference test method and system |
-
2015
- 2015-03-05 CN CN201520127567.5U patent/CN204462583U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761653A (en) * | 2016-03-18 | 2016-07-13 | 信利（惠州）智能显示有限公司 | Detection method and detection device for display panel |
| CN108363225A (en) * | 2018-02-26 | 2018-08-03 | 深圳市比亚迪电子部品件有限公司 | A kind of LCD method for sticking and covering based on COG techniques |
| CN112904128A (en) * | 2021-01-26 | 2021-06-04 | 北京京东方显示技术有限公司 | Electromagnetic interference test method and system |
| CN112860115A (en) * | 2021-03-04 | 2021-05-28 | 武汉华星光电半导体显示技术有限公司 | Display panel and test system and test method thereof |
| CN112860115B (en) * | 2021-03-04 | 2022-10-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and test system and test method thereof |
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| C14 | Grant of patent or utility model | ||
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |