CN103674461A - Liquid crystal display test system and test method thereof - Google Patents
Liquid crystal display test system and test method thereof Download PDFInfo
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- CN103674461A CN103674461A CN201210362790.9A CN201210362790A CN103674461A CN 103674461 A CN103674461 A CN 103674461A CN 201210362790 A CN201210362790 A CN 201210362790A CN 103674461 A CN103674461 A CN 103674461A
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Abstract
The invention provides a liquid crystal display test method used for impacting a to-be-tested liquid crystal display to remove the top of a defect position of the to-be-tested liquid crystal display. The test method comprises the following steps: fixing the to-be-tested liquid crystal display to an impact platform and enabling the to-be-tested liquid crystal display to be in a working state; controlling a wave generator to generate impact waves to an impact platform; impacting the impact platform in a preset direction so as to enable the to-be-tested liquid crystal display to be impacted in the preset direction; and checking the to-be-tested liquid crystal display, determining whether the to-be-tested liquid crystal display is abnormal, and stopping test when the to-be-tested liquid crystal display is abnormal so as to determine the defect position of the to-be-tested liquid crystal display after the to-be-tested liquid crystal display is impacted in the preset direction. According to the invention, liquid crystal displays can be prevented from being impacted and damaged in the production, moving and transportation processes. The invention further provides a liquid crystal display test device.
Description
Technical field
The present invention relates to a kind of field tests, relate in particular to a kind of test macro and method of testing thereof of liquid crystal display.
Background technology
Along with scientific and technical development, the application of liquid crystal display is more and more extensive.But the encapsulation technology of liquid crystal display is not but developed rapidly accordingly, finally cause liquid crystal display owing to being impacted, to be damaged in production, carrying and transportation, cause certain economic loss.The main cause that causes this situation is the test of not confirming defect of liquid crystal display, and fail to provide reliable confirmation defect analysis data liquid crystal display deviser effectively to improve for the design defect of liquid crystal display, thereby caused liquid crystal display to be impacted in production, carrying and transportation and damaged.
Summary of the invention
The object of the present invention is to provide a kind of test macro and method of testing thereof of liquid crystal display, to confirm rapidly and accurately the defect of liquid crystal display to be measured, thereby avoid to a certain extent liquid crystal display to be impacted in production, carrying and transportation and damage.
In order to solve the problems of the technologies described above, the invention provides a kind of test macro of liquid crystal display, for liquid crystal display to be measured is impacted, described test macro comprises:
Impact platform, for fixing liquid crystal display to be measured;
Wave producer, for generation of shock wave;
Control module, is connected to described wave producer, for controlling described wave producer, produces shock wave; And
Drive unit, is connected between described wave producer and described impact platform, and described shock wave is passed to described impact platform; Wherein control module is also connected to described drive unit and to control described drive unit, described impact platform is impacted on preset direction, thereby makes described liquid crystal display to be measured be subject to the impact on described preset direction.
Wherein, described test macro also comprises:
Sensor unit, is arranged at described impact platform, for the acceleration on described preset direction after impacting platform described in sensing and being impacted and every the velocity variations value of described Preset Time; And
Signal processing unit, be connected to described sensor unit, to receive acceleration on described preset direction of the described impact platform sense and every the velocity variations value of described Preset Time, and to the described impact platform receiving the acceleration on described preset direction and feed back to described control module after the velocity variations value of described Preset Time is processed.
The present invention also provides a kind of method of testing of liquid crystal display, and for liquid crystal display to be measured being impacted to determine the defective locations of liquid crystal display to be measured, described method of testing comprises:
One liquid crystal display to be measured is fixed on and is impacted on platform, and make described liquid crystal display to be measured in running order;
Control wave generator produces shock wave to described impact platform;
Described impact platform is impacted on preset direction, thereby described liquid crystal display to be measured is impacted on preset direction; And
Described liquid crystal display to be measured is checked, judge whether described liquid crystal display to be measured occurs extremely, when judging that described liquid crystal display to be measured occurs when abnormal, determining that described liquid crystal display to be measured is subject to the defective locations after the impact on described preset direction thereby stop test.
Wherein, between described liquid crystal display to be measured and described impact platform, keep being closely fixedly connected with.
Wherein, the impact energy that described impact platform is impacted on preset direction is default energy, described default energy comprises default acceleration and preset multiple, after described impact platform is impacted on preset direction, it is a default acceleration that described impact energy makes the acceleration of described impact platform on described preset direction, and controls described impact platform and be more than or equal to every the velocity variations value of a Preset Time preset multiple that a reference velocity changes.
Wherein, described default acceleration is 40G, and described reference velocity is changed to 80～100in/s, and described preset multiple is 1.57.
Wherein, when judging that described liquid crystal display to be measured does not occur when abnormal, keep described impact platform constant every the velocity variations value of described Preset Time, adjust the acceleration of described impact platform, make the acceleration of described impact platform increase by a preset difference value, returning to step " checks described liquid crystal display to be measured; judge whether described liquid crystal display to be measured occurs extremely; when judging that described liquid crystal display to be measured occurs when abnormal, determining that described liquid crystal display to be measured is subject to the defective locations after the impact on described preset direction thereby stop test ".
Wherein, described preset difference value is 10G.
Wherein, in step, one liquid crystal display to be measured is fixed on and impacts on platform, and make the in running order step that also comprises before of described liquid crystal display to be measured:
The impact energy of adjusting and confirming described impact platform to impact on preset direction, making described impact energy is described default energy.
Wherein, described default energy comprises default acceleration and preset multiple, and described step adjustment is also confirmed the described impact energy that described impact platform is impacted on preset direction, and making described impact energy is that described default energy comprises:
One object identical with described liquid crystal display weight to be measured is fixed on described impact platform, controlling described ripple transmitter generation shock wave impacts described object, responding to the acceleration of described object on described preset direction and after the velocity variations value of described Preset Time, by adjusting, making the acceleration of described object on described preset direction is described default acceleration, and makes described object be more than or equal to every the velocity variations value of described Preset Time the preset multiple that described reference velocity changes.
The test macro of liquid crystal display of the present invention utilizes method of testing to produce shock wave to described drive unit by controlling described wave producer, to transmit described shock wave to described impact platform.Described control module is controlled described drive unit described impact platform is impacted, thereby make described liquid crystal display to be measured be subject to the impact on described preset direction, described liquid crystal display to be measured is impacted to the described liquid crystal display to be measured of rear judgement and whether occur extremely.When judging that described liquid crystal display to be measured occurs when abnormal, stopping test.The designer of liquid crystal display can determine the defective locations of described liquid crystal display to be measured, and is improved and avoided to a certain extent liquid crystal display to be impacted and damage in production, carrying and transportation by the defective locations to definite.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, will the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is the schematic diagram of test macro first better embodiment of liquid crystal display of the present invention;
Fig. 2 is the schematic diagram of test macro second better embodiment of liquid crystal display of the present invention;
Fig. 3 is the schematic diagram of test macro the 3rd better embodiment of liquid crystal display of the present invention;
Fig. 4 is the process flow diagram of method of testing first better embodiment of liquid crystal display of the present invention;
Fig. 5 is the process flow diagram of method of testing second better embodiment of liquid crystal display of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Please refer to Fig. 1, the present invention's the first better embodiment provides a kind of test macro of liquid crystal display.Described test macro comprises impact platform 10, control module 20, wave producer 30 and the first drive unit 40.
Described impact platform 10 is for fixing liquid crystal display 50 to be measured.Wherein, between described liquid crystal display 50 to be measured and described impact platform 10, to keep being closely fixedly connected with, thereby guarantee that the impact energy of described impact platform 10 is all passed to described liquid crystal display to be measured 50.
Described wave producer 30, for generation of shock wave.In the present embodiment, described ripple transmitter 30 is square wave transmitter.
Described control module 20, is connected to described wave producer 30, for controlling described wave producer 30, produces shock wave.
Described the first drive unit 40, is connected between described wave producer 30 and described impact platform 10, to receive described shock wave, and described shock wave is passed to described impact platform 10.
Described control module 20 is also connected to described the first drive unit 40 and impacts on the first preset direction to control 40 pairs of described impacts of described the first drive unit flat 10, thereby makes described liquid crystal display to be measured 50 be subject to the impact on described the first preset direction.Wherein, the impact energy of 40 pairs of described impact platforms 10 of described the first drive unit is default energy.Described default energy comprises default acceleration and preset multiple.
Particularly, described impact energy moves described impact platform 10 on described the first preset direction, and mobile acceleration is default acceleration; In moving process, described impact platform 10 is more than or equal to every the velocity variations value of Preset Time the preset multiple that reference velocity changes.In the present embodiment, the shock wave that described wave producer produces is a square shock wave.Described the first preset direction is+X-direction.Described the first drive unit 40 is X-direction drive unit.Described default acceleration is 40G.Described reference velocity is changed to 80～100in/s.Described preset multiple is 1.57.Because described liquid crystal display 50 to be measured is closely fixedly connected with described impact platform 10, therefore, described liquid crystal display to be measured 50 is in test process, acceleration on described preset direction is described default acceleration, and is the preset multiple that described reference velocity changes in the velocity variations value every described Preset Time.
In other embodiments, described the first preset direction can be also any one direction in-X-axis ,+Y-axis ,-Y-axis ,+Z axis ,-Z axis.Described the first drive unit 40 can be Y direction drive unit or Z-direction drive unit.Described ripple transmitter 30 can be also the generator of other ripples, and the shock wave that described wave producer 30 produces also can be adjusted into other forms of ripple according to actual needs.Described default acceleration also can be adjusted according to actual needs.Described preset multiple also can be adjusted as required, as is greater than other values of 1.57.Wherein, the surface of described impact platform 10 is the plane that X-axis and Y-axis form, and X-axis is mutually vertical with Y-axis.Described Z axis is perpendicular to the surface of described impact platform 10.
In the present embodiment, described control module 20 is connected to described the first drive unit 40, to provide operating voltage to described the first drive unit 40.In other embodiments, if when described the first drive unit 40 provides operating voltage without described control module 20, described control module 20 also can be not attached to described the first drive unit 40.
Refer to Fig. 2, the second better embodiment of the test macro of liquid crystal display of the present invention is similar to the first better embodiment.The second better embodiment of the test macro of described liquid crystal display is from the different of the first better embodiment:
The test macro of described liquid crystal display also comprises sensor unit 60, signal processing unit 70, access unit 80 and controlled switch 90.Described impact platform 10 also arranges connection socket (not shown), to connect power interface and the video interface of described liquid crystal display to be measured 50.
Described sensor unit 60, is arranged at described impact platform, for impacting flat 10 acceleration on described preset direction described in sensing and every the velocity variations value of described Preset Time.Described sensor unit 60 is also connected to described signal processing unit 70, for the acceleration on described the first preset direction and be sent to described signal processing unit 70 every the velocity variations value of described Preset Time by the described impact platform sensing.
Described signal processing unit 70 is connected between described control module 20, with the acceleration on described the first preset direction and feed back to described control module 20 after the velocity variations value of described Preset Time is carried out signal processing to the described impact platform 10 receiving, so that tester is adjusted described default acceleration and described preset multiple.
Described access unit 80 is connected to described control module 20, for revising described internal preset information to described control module 20 input external control signals or programming, to adjust described default acceleration and preset multiple.
Described controlled switch 90 connection control units 20 and described liquid crystal display to be measured 50.Described control module 20 by controlled switch described in break-make 90 to open and close described liquid crystal display to be measured 50.
Refer to Fig. 3, the 3rd better embodiment of the test macro of liquid crystal display of the present invention is similar to the second better embodiment.The 3rd better embodiment of the test macro of described liquid crystal display is from the different of the second better embodiment:
The test macro of described liquid crystal display also comprises the second drive unit 110 and the 3rd drive unit 120.In the present embodiment, described the first drive unit 40 is directions X drive unit.Described the second drive unit 110 is Y-direction drive unit.Described the 3rd drive unit 120 is Z direction drive unit.Described the second drive unit 110 and the 3rd drive unit 120 are all connected between described ripple transmitter 30 and described impact platform 10, the shock wave receiving is passed to described impact platform 10.
Described the second drive unit 110 and the 3rd drive unit 120 are also connected to described control module 20.The impact that described control module 20 carries out on the second preset direction for controlling 110 pairs of described impact platforms 10 of described the second drive unit.Described control module 20 carries out the impact on the 3rd preset direction for controlling 120 pairs of described impact platforms 10 of described the 3rd drive unit.Wherein said the second preset direction is+Y-direction; Described the 3rd preset direction is+Z direction.In other embodiments, the first to the 3rd preset direction can be adjusted according to actual needs.
Now described control module 20 connects described the first drive unit 40,110 and 120.Described control module 20 can the different periods of once test optionally control respectively described the first drive unit 40,110 and 120 with respectively the corresponding period and accordingly in advance direction described impact platform 10 is impacted, thereby realize the test to liquid crystal display 50 to be measured.It is all identical with above-mentioned first and second better embodiment to realize the principle that described liquid crystal display 50 to be measured is tested that described control module 20 drives described the first drive unit 40,110 or 120 to impact described impact platform 10, do not repeat them here.Refer to Fig. 4, the present invention's the first better embodiment provides a kind of method of testing of liquid crystal display.Described method of testing comprises the steps:
Wherein, between described liquid crystal display 50 to be measured and described impact platform 10, to keep being closely fixedly connected with, thereby guarantee that the impact energy of described impact platform 10 is all passed to described liquid crystal display to be measured 50.
Particularly, described impact energy moves described impact platform 10 on described the first preset direction, and mobile acceleration is default acceleration; In moving process, described impact platform 10 is more than or equal to every the velocity variations value of Preset Time the preset multiple that reference velocity changes.In the present embodiment, the shock wave that described wave producer 30 produces is a square shock wave.Described the first preset direction is+X-direction.Described default acceleration is 40G.Described reference velocity is changed to 80～100in/s.Described preset multiple is 1.57.Because described liquid crystal display 50 to be measured is closely fixedly connected with described impact platform 10, therefore, described liquid crystal display to be measured 50 is in test process, acceleration on described the first preset direction is described default acceleration, and is the preset multiple that described reference velocity changes in the velocity variations value every described Preset Time.
In other embodiments, described the first preset direction can be also any one direction in-X-axis ,+Y-axis ,-Y-axis ,+Z axis ,-Z axis.The shock wave that described wave producer 30 produces also can be adjusted into other forms of ripple according to actual needs.Described default acceleration also can be adjusted according to actual needs.Described preset multiple also can be adjusted as required, as is greater than other values of 1.57.
Wherein, in the present embodiment, the mode that described liquid crystal display 50 to be measured is checked is visual inspection.The project that described liquid crystal display 50 to be measured is checked comprises that parts performance and the parts tautness of the picture quality inspection of described liquid crystal display to be measured 50, described liquid crystal display to be measured 50 inside check.When determining that when abnormal, determine that described liquid crystal display to be measured 50 occurs abnormal, thereby having determined rapidly the defective locations of described liquid crystal display to be measured 50 appears in picture quality, inner components performance or the parts tautness of described liquid crystal display 50 to be measured.When determining that picture quality, inner components performance and the parts tautness of described liquid crystal display 50 to be measured all do not occur when abnormal, determining that existing extremely does not appear in described liquid crystal display to be measured 50.
Wherein, in the present embodiment, described preset difference value is 10G.Now, the acceleration of described liquid crystal display 50 to be measured on described preset direction is the acceleration after adjusting, and every the velocity variations value of described Preset Time, keeps the preset multiple of described reference velocity variation.
In other embodiments, if in step 104 by judging that described liquid crystal display to be measured 50 occurs when abnormal, while stopping can determining the defective locations of described liquid crystal display to be measured 50 after test, described step 104 can be omitted.Described step 104 is: described liquid crystal display 50 to be measured is checked, judge whether described liquid crystal display to be measured 50 occurs extremely.Described liquid crystal display to be measured 50 occurs abnormal, stops test.Described step 104 also can keep the acceleration of described impact platform 10 constant, adjust described impact platform 10 and increase by a preset difference value every the velocity variations value of described Preset Time, thereby make the velocity variations value of described impact platform 10 after the velocity variations value of described Preset Time is to adjust, return to step 103.
The present invention is by repeating respectively above-mentioned steps 101-105 at described six axial directions, can obtain the defective locations after described liquid crystal display to be measured is impacted respectively on six axial directions, thereby have, utilize the improvement of designer to the defective locations of described liquid crystal display 50 to be measured, thereby avoid to a certain extent liquid crystal display 50 to be impacted in production, carrying and transportation and damage.
The method of testing of liquid crystal display of the present invention produces shock wave to described the first drive unit 40 by controlling described wave producer 30, and described control module 20 is controlled 40 pairs of described impact platforms 10 of described the first drive unit and is impacted, so that described liquid crystal display to be measured 50 is impacted on described the first preset direction, described liquid crystal display 50 to be measured is impacted to the described liquid crystal display 50 to be measured of rear judgement and whether occur extremely.When judging that described liquid crystal display to be measured 50 occurs when abnormal, stopping test.The designer of liquid crystal display can determine the defective locations of described liquid crystal display to be measured 50, and is improved and avoided to a certain extent liquid crystal display to be impacted and damage in production, carrying and transportation by the defective locations to definite.
The present invention's the second better embodiment provides a kind of method of testing of liquid crystal display.Described method of testing comprises the steps:
Particularly, an object identical with described liquid crystal display 50 weight to be measured is closely fixed on the impact platform 10 of described testing apparatus, makes described wave producer 30 produce shock wave to described the first drive unit 40.Described the first drive unit 40 transmits described shock wave to described impact platform.Described control module 20 is controlled described the first drive unit 40 so that described impact platform 10 is impacted on the first preset direction.Described in sensor unit 60 sensings on described impact platform 10, impact the acceleration of platform 10 on described the first preset direction and every the velocity variations value of described Preset Time, by regulate described impact platform 10 height or and the thickness of the cushion pad of described test macro to make the acceleration of described impact platform 10 on described the first preset direction be described default acceleration, and make described impact platform 10 be more than or equal to every the velocity variations value of described Preset Time the preset multiple that described reference velocity changes.In the present embodiment, the shock wave that described wave producer 30 produces is a square shock wave.Described preset direction is+X-direction.Described default acceleration is 40G.Described reference velocity is changed to 80～100in/s.Described preset multiple is 1.57.
In other embodiments, described the first preset direction can be also any one direction in-X-axis ,+Y-axis ,-Y-axis ,+Z axis ,-Z axis.The shock wave that described ripple transmitter 30 produces also can be adjusted into other forms of ripple according to actual needs.Described default acceleration also can be adjusted according to actual needs.Described preset multiple also can be adjusted as required, as is greater than other values of 1.57.
Wherein, between described liquid crystal display 50 to be measured and described impact platform 10, to keep being closely fixedly connected with, thereby guarantee that the impact energy of described impact platform 10 is all passed to described liquid crystal display to be measured 50.
Wherein, to make described impact platform 10 be default acceleration at the acceleration of described the first preset direction to described impact energy.In described impact platform 10 moving process, described impact platform 10 is more than or equal to every the velocity variations value of described Preset Time the preset multiple that described reference velocity changes.Because described liquid crystal display 50 to be measured is closely fixedly connected with described impact platform 10, therefore, described liquid crystal display to be measured 50 is in test process, the acceleration of described liquid crystal display to be measured 50 on described preset direction is described default acceleration, and is the preset multiple that described reference velocity changes in the velocity variations value every described Preset Time.
Wherein, in the present embodiment, the mode that described liquid crystal display 50 to be measured is checked is visual inspection.The project that described liquid crystal display 50 to be measured is checked comprises that parts performance and the parts tautness of the picture quality inspection of described liquid crystal display to be measured 50, described liquid crystal display to be measured 50 inside check.When determining that when abnormal, determine that described liquid crystal display to be measured 50 occurs abnormal, thereby having determined rapidly the defective locations of described liquid crystal display to be measured 50 appears in picture quality, inner components performance or the parts tautness of described liquid crystal display 50 to be measured.When determining that picture quality, inner components performance and the parts tautness of described liquid crystal display 50 to be measured all do not occur when abnormal, determining that described liquid crystal display to be measured 50 does not occur extremely.
Wherein, in the present embodiment, described preset difference value is 10G.Now, the acceleration of described liquid crystal display 50 to be measured on described the first preset direction is the acceleration after adjusting, and every the velocity variations value of described Preset Time, keeps the preset multiple of described reference velocity variation.
In other embodiments, if in step 205 by judging that described liquid crystal display to be measured 50 occurs when abnormal, while stopping can determining the defective locations of described liquid crystal display to be measured 50 after test, described step 206 can be omitted.Described step 205 is: described liquid crystal display 50 to be measured is checked, judge whether described liquid crystal display to be measured 50 occurs extremely.Described liquid crystal display to be measured 50 occurs abnormal, stops test.Described step 206 also can keep the acceleration of described impact platform constant, adjust described impact platform 10 and increase by a preset difference value every the velocity variations value of described Preset Time, thereby make the velocity variations value of described impact platform 10 after the velocity variations value of described Preset Time is to adjust, return to step 205.
The present invention is by repeating respectively above-mentioned steps 201-206 at described six axial directions, can obtain the defective locations after described liquid crystal display to be measured is impacted respectively on six axial directions, thereby have, utilize the improvement of designer to the defective locations of described liquid crystal display 50 to be measured, thereby avoid to a certain extent liquid crystal display to be impacted in production, carrying and transportation and damage.The test macro of liquid crystal display of the present invention utilizes described method of testing to produce shock wave to described the first drive unit 40 by controlling described wave producer 30, to transmit described shock wave to described impact platform 10.Described control module 20 is controlled described the first drive unit 40, so that 40 pairs of described impact platforms 10 of described the first drive unit impact, thereby makes described liquid crystal display to be measured 50 be subject to the impact on described preset direction.Whether described liquid crystal display 50 to be measured is impacted to the described liquid crystal display 50 to be measured of rear judgement occurs extremely.When judging that described liquid crystal display to be measured 50 occurs when abnormal, stopping test.The designer of liquid crystal display 50 can determine the defective locations of described liquid crystal display to be measured 50, and is improved and avoided to a certain extent liquid crystal display 50 to be impacted and damage in production, carrying and transportation by the defective locations to definite.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a test macro for liquid crystal display, for liquid crystal display to be measured is impacted, described test macro comprises:
Impact platform, for fixing liquid crystal display to be measured;
Wave producer, for generation of shock wave;
Control module, is connected to described wave producer, for controlling described wave producer, produces shock wave; And
Drive unit, is connected between described wave producer and described impact platform, and described shock wave is passed to described impact platform; Wherein control module is also connected to described drive unit and to control described drive unit, described impact platform is impacted on preset direction, thereby makes described liquid crystal display to be measured be subject to the impact on described preset direction.
2. test macro according to claim 1, is characterized in that, described test macro also comprises:
Sensor unit, is arranged at described impact platform, for the acceleration on described preset direction after impacting platform described in sensing and being impacted and every the velocity variations value of described Preset Time; And
Signal processing unit, be connected to described sensor unit, to receive acceleration on described preset direction of the described impact platform sense and every the velocity variations value of described Preset Time, and to the described impact platform receiving the acceleration on described preset direction and feed back to described control module after the velocity variations value of described Preset Time is processed.
3. a method of testing for liquid crystal display, for liquid crystal display to be measured being impacted to determine the defective locations of liquid crystal display to be measured, described method of testing comprises:
One liquid crystal display to be measured is fixed on and is impacted on platform, and make described liquid crystal display to be measured in running order;
Control wave generator produces shock wave to described impact platform;
Described impact platform is impacted on preset direction, thereby described liquid crystal display to be measured is impacted on preset direction; And
Described liquid crystal display to be measured is checked, judge whether described liquid crystal display to be measured occurs extremely, when judging that described liquid crystal display to be measured occurs when abnormal, determining that described liquid crystal display to be measured is subject to the defective locations after the impact on described preset direction thereby stop test.
4. method of testing according to claim 3, is characterized in that, between described liquid crystal display to be measured and described impact platform, keeps being closely fixedly connected with.
5. method of testing according to claim 3, it is characterized in that, the impact energy that described impact platform is impacted on preset direction is default energy, described default energy comprises default acceleration and preset multiple, after described impact platform is impacted on preset direction, it is a default acceleration that described impact energy makes the acceleration of described impact platform on described preset direction, and controls described impact platform and be more than or equal to every the velocity variations value of a Preset Time preset multiple that a reference velocity changes.
6. method of testing according to claim 5, is characterized in that, described default acceleration is 40G, and described reference velocity is changed to 80～100in/s, and described preset multiple is 1.57.
7. method of testing according to claim 5, it is characterized in that, when judging that described liquid crystal display to be measured does not occur when abnormal, keep described impact platform constant every the velocity variations value of described Preset Time, adjust the acceleration of described impact platform, make the acceleration of described impact platform increase by a preset difference value, returning to step " checks described liquid crystal display to be measured, judge whether described liquid crystal display to be measured occurs extremely, when judging that described liquid crystal display to be measured occurs when abnormal, thereby stop test and determine that described liquid crystal display to be measured is subject to the defective locations after the impact on described preset direction ".
8. method of testing according to claim 7, is characterized in that, described preset difference value is 10G.
9. method of testing according to claim 3, is characterized in that, in step, one liquid crystal display to be measured is fixed on and impacts on platform, and make the in running order step that also comprises before of described liquid crystal display to be measured:
The impact energy of adjusting and confirming described impact platform to impact on preset direction, making described impact energy is described default energy.
10. method of testing according to claim 9, it is characterized in that, described default energy comprises default acceleration and preset multiple, described step adjustment is also confirmed the described impact energy that described impact platform is impacted on preset direction, and making described impact energy is that described default energy comprises:
One object identical with described liquid crystal display weight to be measured is fixed on described impact platform, controlling described ripple transmitter generation shock wave impacts described object, responding to the acceleration of described object on described preset direction and after the velocity variations value of described Preset Time, by adjusting, making the acceleration of described object on described preset direction is described default acceleration, and makes described object be more than or equal to every the velocity variations value of described Preset Time the preset multiple that described reference velocity changes.
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| CN201210362790.9A CN103674461A (en) | 2012-09-26 | 2012-09-26 | Liquid crystal display test system and test method thereof |
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| CN201210362790.9A CN103674461A (en) | 2012-09-26 | 2012-09-26 | Liquid crystal display test system and test method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053005A (en) * | 2016-08-11 | 2016-10-26 | 德凯宜特（昆山）检测有限公司 | Impact resistance testing device of automobile display screen |
| CN110631795A (en) * | 2019-08-28 | 2019-12-31 | 深圳同兴达科技股份有限公司 | Anti-collision test equipment and test method for liquid crystal display screen |
-
2012
- 2012-09-26 CN CN201210362790.9A patent/CN103674461A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053005A (en) * | 2016-08-11 | 2016-10-26 | 德凯宜特（昆山）检测有限公司 | Impact resistance testing device of automobile display screen |
| CN110631795A (en) * | 2019-08-28 | 2019-12-31 | 深圳同兴达科技股份有限公司 | Anti-collision test equipment and test method for liquid crystal display screen |
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Application publication date: 20140326 |