CN105652114A - Power supply method, power supply device and testing jig in testing display screen - Google Patents
Power supply method, power supply device and testing jig in testing display screen Download PDFInfo
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- CN105652114A CN105652114A CN201511006028.7A CN201511006028A CN105652114A CN 105652114 A CN105652114 A CN 105652114A CN 201511006028 A CN201511006028 A CN 201511006028A CN 105652114 A CN105652114 A CN 105652114A
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000001960 triggered effect Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 95
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 230000001771 impaired effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
An embodiment of the invention discloses a power supply method, a power supply device and a testing jig in testing a display screen. The power supply comprises the steps of after a connecting line plug of the testing plug is inserted into a connector interface of the display screen, when a display screen powering event is triggered, making the testing jig output a lowest working voltage of the display screen; determining whether preset information in the display screen can be read; and determining whether to make the testing jig output residual working voltage of the display screen according to the determining result. According to the power supply method, the power supply device and the testing jig, in testing the display screen, display screen damage caused by electric shock because of improper connection between the testing jig and the display screen can be effectively prevented, and display screen testing cost is reduced.
Description
Technical field
The embodiment of the present invention relates to display screen technical field of measurement and test, particularly relates to a kind of method of supplying power to when testing display screen, device and measurement jig.
Background technology
At present, most electronic product is all configured with display screen, and especially the mobile terminal such as mobile phone and panel computer can be configured with touch display screen usually.
Display screen compares valuable components and parts, in the production process of display screen, it is necessary to the function of display screen is entirely examined. The all operating voltage added by display screen needed for display screen normal operation are needed during full inspection. Concrete test procedure is: the junctor interface that measurement jig wire plug inserts display screen, after pressing switch, measurement jig is that display screen adds all working voltage, and display screen lights, and carries out display screen functions test subsequently. The operating voltage of display screen comprises lower low voltage (such as 1.8V), also comprises the high-voltage of tens volts, and what have can reach more than 20V. Owing to display screen junctor interface comprises tens even tens pins, these pins contain the pin for input voltage, also contains the pin for transmission signal, in actual test process, may there is the situation that measurement jig wire plug and display screen junctor interface contraposition are inaccurate, if now rashly powered up by display screen, it is possible to display screen can be caused to be electrically shocked wound, display screen is caused to damage or scrap.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of method of supplying power to when testing display screen, device and measurement jig, to solve when being tested by display screen, because measurement jig is connected the improper problem causing display screen to be electrically shocked wound with display screen.
First aspect, embodiments provides a kind of method of supplying power to when testing display screen, comprising:
After the junctor interface of the wire plug insertion display screen of measurement jig, monitor for the described display screen event of powering be triggered time, control measurement jig exports the minimum operating voltage of described display screen, wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface;
Judge whether the presupposed information that can read in described display screen, and determine whether according to judged result to control the residue operating voltage that described measurement jig exports described display screen.
Second aspect, embodiments provides a kind of power supply device when testing display screen, comprising:
Minimum operating voltage output control module, for after the junctor interface of the wire plug insertion display screen of measurement jig, monitor for the described display screen event of powering be triggered time, control measurement jig exports the minimum operating voltage of described display screen, wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface;
Judge module, for judging whether the presupposed information that can read in described display screen;
Residue operating voltage output control module, controls, for determining whether according to the judged result of described judgement module, the residue operating voltage that described measurement jig exports described display screen.
The third aspect, embodiments provides a kind of display screen measurement jig, and this display screen measurement jig is integrated with the power supply device during test display screen in the embodiment of the present invention.
Power supply plan during the test display screen provided in the embodiment of the present invention, when after the junctor interface that measurement jig wire plug is inserted display screen, need for display screen power time, first control the minimum operating voltage of measurement jig output display screen, if wire plug and junctor interface contraposition are accurate, then display screen can carry out Signal transmissions by the signal interface in junctor interface and measurement jig, so, by judging whether that the presupposed information that can read in display screen determines that whether contraposition is accurate, finally determine whether to control the residue operating voltage of measurement jig output display screen according to judged result, can effectively prevent when display screen is tested, display screen is caused to be electrically shocked and impaired situation occurs because measurement jig is connected improper with display screen, save display screen testing cost.
Accompanying drawing explanation
Fig. 1 for the embodiment of the present invention one provide a kind of test display screen time the schematic flow sheet of method of supplying power to;
Fig. 2 for the embodiment of the present invention two provide a kind of test display screen time the schematic flow sheet of method of supplying power to;
The schematic flow sheet of method of supplying power to during a kind of preferred test display screen that Fig. 3 provides for the embodiment of the present invention three;
Fig. 4 for the embodiment of the present invention four provide a kind of test display screen time the structure block diagram of power supply device.
Embodiment
Below in conjunction with accompanying drawing and the technical scheme of the present invention is described further by embodiment. It should be appreciated that specific embodiment described herein is only for explaining the present invention, but not limitation of the invention. It also should be noted that, for convenience of description, accompanying drawing illustrate only part related to the present invention and not all structure.
Should be mentioned that before exemplary embodiment is discussed in further detail, some exemplary embodiments are described as the process as schema description or method. Although schema each step is described as order process, but many steps wherein can by parallel, concurrent ground or implement simultaneously. In addition, the order of each step can be rearranged. Described process can be terminated when its operations are completed, it is also possible to have the additional step not comprised in the accompanying drawings. Described process can correspond to method, function, code, subroutine, sub-routine etc.
Embodiment one
Fig. 1 for the embodiment of the present invention one provide a kind of test display screen time the schematic flow sheet of method of supplying power to, the method can be performed by power supply device during test display screen, wherein this device can, by software and/or hardware implementing, generally can be integrated in the measurement jig for display screen test. As shown in Figure 1, the method comprises:
Step 101, measurement jig wire plug insertion display screen junctor interface after, monitor for the display screen event of powering be triggered time, control measurement jig output display screen minimum operating voltage.
Wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface.
Exemplary, described display screen can comprise the touch display screen of the mobile terminal such as mobile phone or panel computer.
Exemplary, when testing display screen, can by the junctor interface of tester by the wire plug insertion display screen of measurement jig.
Exemplary, described in monitor and specifically can be for the display screen event of powering is triggered: the power switch monitoring on measurement jig is opened.
Exemplary, described minimum operating voltage is the voltage of the kernel normal operation for the control chip in described display screen.
General, the operating voltage required for the display screen of different model may be different. For smart mobile phone touch display screen, the operating voltage of display screen can comprise 1.8V, 2.8V (or 5V) and 18V, and 1.8V wherein is the minimum operating voltage in the present embodiment. When testing, different operating voltage can be exported by different power pins in the wire plug of measurement jig, wherein, under wire plug and junctor interface contraposition accurately situation, power pins and power supply interface are one to one, and signal pins and signal interface are also corresponding. If wire plug and junctor interface contraposition are inaccurate, owing to 1.8V voltage is lower, display screen can not be caused damage.
Step 102, judge whether the presupposed information that can read in display screen, and determine whether according to judged result to control the residue operating voltage that measurement jig exports described display screen. Residue operating voltage refers to other operating voltage except minimum operating voltage of display screen.
Exemplary, under wire plug and junctor interface contraposition accurately situation, minimum operating voltage is correctly input in display screen, and signal pins and signal interface connect correct, and display screen just carries out simple data corresponding by signal interface and measurement jig. Described presupposed information specifically can be built-in identification (Identification, the ID) information of display screen, it is also possible to is other information that prior burning enters display screen, can determine voluntarily by designer. Concrete, described presupposed information can be stored in the register of display screen control chip (such as driving chip). If measurement jig can read the presupposed information in display screen, then can illustrate that wire plug and junctor interface contraposition are accurate, if now controlling the residue operating voltage of measurement jig output display screen, being safe concerning display screen, normal function test flow process can be entered subsequently.
Method of supplying power to during the test display screen that the embodiment of the present invention one provides, when after the junctor interface that measurement jig wire plug is inserted display screen, need for display screen power time, first control the minimum operating voltage of measurement jig output display screen, if wire plug and junctor interface contraposition are accurate, then display screen can carry out Signal transmissions by the signal interface in junctor interface and measurement jig, so, by judging whether that the presupposed information that can read in display screen determines that whether contraposition is accurate, finally determine whether to control the residue operating voltage of measurement jig output display screen according to judged result, can effectively prevent when display screen is tested, display screen is caused to be electrically shocked and impaired situation occurs because measurement jig is connected improper with display screen, save display screen testing cost.
Embodiment two
Fig. 2 for the embodiment of the present invention two provide a kind of test display screen time the schematic flow sheet of method of supplying power to, the present embodiment is optimized based on above-described embodiment, in the present embodiment, " judging whether the presupposed information that can read in described display screen " is optimized for: the reading request being sent the presupposed information read in control chip by signal pins; The feedback result of the request of reading is mated with the standard information stored in measurement jig, if the match is successful, is then judged as the presupposed information that can read in display screen; If mating unsuccessful, then it is judged as the presupposed information that can not read in display screen.
Accordingly, the method for the present embodiment comprises the steps:
Step 201, measurement jig wire plug insertion display screen junctor interface after, monitor for the display screen event of powering be triggered time, control measurement jig output display screen minimum operating voltage.
Wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface, and described minimum operating voltage is the voltage for the kernel normal operation controlling chip in described display screen.
Step 202, the reading request being sent the presupposed information read in control chip by signal pins.
Exemplary, wire plug generally comprising multiple signal pins, sends, by preset signals pin, the request of reading, preset signals pin specifically can be determined according to the presupposed information of required reading.
Step 203, feedback result reading asked and the standard information stored in measurement jig are mated, if the match is successful, then perform step 204; If it fails to match, then process ends.
Exemplary, under wire plug and junctor interface contraposition accurately situation, the feedback result reading request is the presupposed information read from corresponding signal interface, and the number that this presupposed information can be corresponding with the standard information stored in measurement jig mates mutually; If contraposition is inaccurate, the feedback result reading request may be read from other not corresponding signal interfaces out of Memory (this situation may power pins contraposition corresponding to minimum operating voltage correct, but signal pins contraposition is incorrect) or cannot read for representative null value (in this situation may power pins contraposition corresponding to minimum operating voltage inaccurate, control chip kernel cannot normal operation, so information cannot be read; Also the power pins contraposition that the minimum operating voltage of possibility is corresponding is correct; but signal pins contraposition is incorrect; signal pins cannot communicate with the signal interface being currently connected; so information cannot be read); then mate unsuccessful, can process ends, namely can not control the residue operating voltage that measurement jig exports described display screen; prevent display screen from being wounded by the high voltage remaining in operating voltage, display screen has been carried out effective protection. In addition, owing to display screen does not obtain residue operating voltage, so display screen also can not light, tester, when finding that display screen does not light over time, just can find exception, can grafting measurement jig and display screen again.
The residue operating voltage of step 204, control measurement jig output display screen.
The embodiment of the present invention two is after the minimum operating voltage of control measurement jig output display screen; the reading request of the presupposed information read in control chip is sent by signal pins; and whether whether mate, with the standard information stored in measurement jig, the connection determining measurement jig and display screen according to the feedback result of the request of reading correct; can further improve the accuracy of judgement, it is ensured that display screen is effectively protected in test process.
Embodiment three
The schematic flow sheet of method of supplying power to during a kind of preferred test display screen that Fig. 3 provides for the embodiment of the present invention three, the present embodiment is optimized based on above-described embodiment, in the present embodiment, " determining whether according to judged result to control the residue operating voltage that measurement jig exports described display screen " is optimized for: if judged result is the presupposed information that can read in display screen, then control the residue operating voltage of measurement jig output display screen; If judged result is the presupposed information that can not read in display screen, then controls measurement jig and send warning.
Concrete, the method for the present embodiment comprises the steps:
Step 301, measurement jig wire plug insertion display screen junctor interface after, monitor for the display screen event of powering be triggered time, control measurement jig output display screen minimum operating voltage.
Wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface. Preferably, the signal pins that power pins corresponding for minimum operating voltage and being used for can read the ID information in control chip register (is generally multiple, such as 4) it is arranged at the central position of whole wire plug, the benefit arranged like this is, can promote and judge whether measurement jig and display screen connect correct accuracy.
Described minimum operating voltage is the voltage for the kernel normal operation controlling chip in display screen. Concrete, if contraposition is accurate, display screen is when obtaining minimum operating voltage, and the register in control chip is in readable state.
Step 302, trial read the ID information in control chip register by the signal interface of display screen.
Exemplary, read the ID information in control chip register by mobile industry treater interface (MobileIndustryProcessorInterface, MIPI) agreement.
Step 303, by read result with in measurement jig store standard I D information mate, if the match is successful, then execution step 304; If mating unsuccessful, then perform step 305.
Exemplary, ID information specifically can be a numerical value, the ID information of the display screen of different model is different, the standard I D information list of the display screen comprising different model can be prestored in measurement jig, the ID information of the current display screen being connected with measurement jig read and this standard I D information list are compared, if equal with certain numerical value in this standard I D information list, can illustrate that contraposition is accurate.
Preferably, before opening the power switch on measurement jig, that measurement jig can first receive tester's input or select display screen model to be tested, current standard I D information is determined according to display screen model to be tested, when reading result and do not mate with current standard I D information, determine the display screen of current connection and selected display screen model to be tested is not inconsistent or contraposition is forbidden, then execution step 305. The benefit done like this is, due to different model display screen needed for operating voltage may be different, especially higher operating voltage possibility difference is bigger, measurement jig can determine the magnitude of voltage of the operating voltage exported according to the display screen model to be tested that tester selects, if display screen model is not inconsistent, the operating voltage of output error can be avoided further, display screen is caused infringement.
The residue operating voltage of step 304, control measurement jig output display screen.
Step 305, control measurement jig are stopped power supply and are sent warning.
Exemplary, send warning specifically can be play warning sound, display makes mistakes picture and any one or multiple combination in control warning lamp luminescence, tester is reminded.
Method of supplying power to during the preferred test display screen that the embodiment of the present invention three provides, it is possible to effectively reduce production line and test the display screen probability of damage brought, save display screen testing cost.
Embodiment four
Fig. 4 for the embodiment of the present invention four provide a kind of test display screen time the structure block diagram of power supply device, this device can by software and/or hardware implementing, generally can be integrated in the measurement jig for display screen test, by method of supplying power to when performing test display screen, display screen be powered. As shown in Figure 4, this device comprises: minimum operating voltage output control module 401, judge module 402 and residue operating voltage output control module 403.
Wherein, minimum operating voltage output control module 401, for after the junctor interface of the wire plug insertion display screen of measurement jig, monitor for the described display screen event of powering be triggered time, control measurement jig exports the minimum operating voltage of described display screen, wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface; Judge module 402, for judging whether the presupposed information that can read in described display screen; Residue operating voltage output control module 403, controls, for determining whether according to the judged result of described judgement module, the residue operating voltage that described measurement jig exports described display screen.
Power supply device during the test display screen that the embodiment of the present invention four provides, when after the junctor interface that measurement jig wire plug is inserted display screen, need for display screen power time, first control the minimum operating voltage of measurement jig output display screen, if wire plug and junctor interface contraposition are accurate, then display screen can carry out Signal transmissions by the signal interface in junctor interface and measurement jig, so, by judging whether that the presupposed information that can read in display screen determines that whether contraposition is accurate, finally determine whether to control the residue operating voltage of measurement jig output display screen according to judged result, can effectively prevent when display screen is tested, display screen is caused to be electrically shocked and impaired situation occurs because measurement jig is connected improper with display screen, save display screen testing cost.
On the basis of above-described embodiment, described minimum operating voltage can be the voltage of the kernel normal operation for the control chip in described display screen.
On the basis of above-described embodiment, described judgement module specifically can be used for: the reading request being sent the presupposed information read in described control chip by described signal pins; The described feedback result reading request is mated with the standard information stored in described measurement jig, if the match is successful, is then judged as the presupposed information that can read in described display screen; No coupling is unsuccessful, then be judged as the presupposed information that can not read in described display screen.
On the basis of above-described embodiment, described residue operating voltage output control module specifically can be used for: if judged result is the presupposed information that can read in described display screen, then control the residue operating voltage that described measurement jig exports described display screen.
On the basis of above-described embodiment, described residue operating voltage output control module specifically can be used for: if judged result is the presupposed information that can not read in described display screen, then control described measurement jig and stop power supply and send warning.
On the basis of above-described embodiment, described presupposed information is the identity identification information of described display screen.
Embodiment five
The embodiment of the present invention provides a kind of display screen measurement jig, and this display screen measurement jig is integrated with the power supply device during test display screen in the embodiment of the present invention.
When display screen is tested by the display screen measurement jig using the embodiment of the present invention to provide, measurement jig wire plug can be inserted the junctor interface of display screen, open the power switch of measurement jig, the minimum operating voltage of the first output display screen of measurement jig meeting, if judging, wire plug and junctor interface contraposition are accurate, the then residue operating voltage of output display screen, can effectively prevent when display screen is tested, cause display screen to be electrically shocked and impaired situation occurs because measurement jig is connected improper with display screen, save display screen testing cost.
Method of supplying power to when power supply device during the test display screen provided in above-described embodiment and display screen measurement jig can perform the test display screen that any embodiment of the present invention provides, possesses and performs the method corresponding function module and useful effect. The not technology details of detailed description in the above-described embodiments, the method for supplying power to during test display screen that can provide see any embodiment of the present invention.
Note, above are only the better embodiment of the present invention and institute's application technology principle. It is understood by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection scope of the present invention can not be departed from. Therefore, although being described in further detail invention has been by above embodiment, but the present invention is not limited only to above embodiment, when not departing from present inventive concept, more residues equivalence embodiment can also be comprised, and the scope of the present invention is determined by appended right.
Claims (10)
1. method of supplying power to when testing display screen, it is characterised in that, comprising:
After the junctor interface of the wire plug insertion display screen of measurement jig, monitor for the described display screen event of powering be triggered time, control measurement jig exports the minimum operating voltage of described display screen, wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface;
Judge whether the presupposed information that can read in described display screen, and determine whether according to judged result to control the residue operating voltage that described measurement jig exports described display screen.
2. method according to claim 1, it is characterised in that, described minimum operating voltage is the voltage of the kernel normal operation for the control chip in described display screen.
3. method according to claim 2, it is characterised in that, described in judge whether to comprise the presupposed information that can read in described display screen:
The reading request of the presupposed information read in described control chip is sent by described signal pins;
The described feedback result reading request is mated with the standard information stored in described measurement jig, if the match is successful, is then judged as the presupposed information that can read in described display screen; If mating unsuccessful, then it is judged as the presupposed information that can not read in described display screen.
4. method according to claim 1, it is characterised in that, described determine whether according to judged result to control the residue operating voltage that described measurement jig exports described display screen, comprising:
If judged result is the presupposed information that can read in described display screen, then control the residue operating voltage that described measurement jig exports described display screen.
5. method according to claim 1, it is characterised in that, described determine whether according to judged result to control the residue operating voltage that described measurement jig exports described display screen, comprising:
If judged result is the presupposed information that can not read in described display screen, then controls described measurement jig and stop power supply and send warning.
6. method according to claim 1, it is characterised in that, described presupposed information is the identity identification information of described display screen.
7. power supply device when testing display screen, it is characterised in that, comprising:
Minimum operating voltage output control module, for after the junctor interface of the wire plug insertion display screen of measurement jig, monitor for the described display screen event of powering be triggered time, control measurement jig exports the minimum operating voltage of described display screen, wherein, described wire plug comprises power pins and signal pins, and described junctor interface comprises power supply interface and signal interface;
Judge module, for judging whether the presupposed information that can read in described display screen;
Residue operating voltage output control module, controls, for determining whether according to the judged result of described judgement module, the residue operating voltage that described measurement jig exports described display screen.
8. device according to claim 7, it is characterised in that, described minimum operating voltage is the voltage of the kernel normal operation for the control chip in described display screen.
9. device according to claim 8, it is characterised in that, described judgement module specifically for:
The reading request of the presupposed information read in described control chip is sent by described signal pins;
The described feedback result reading request is mated with the standard information stored in described measurement jig, if the match is successful, is then judged as the presupposed information that can read in described display screen; No coupling is unsuccessful, then be judged as the presupposed information that can not read in described display screen.
10. a display screen measurement jig, it is characterised in that, described display screen measurement jig is integrated with the power supply device during test display screen as described in claim 7-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006028.7A CN105652114B (en) | 2015-12-25 | 2015-12-25 | Method of supplying power to, device and measurement jig during a kind of test display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006028.7A CN105652114B (en) | 2015-12-25 | 2015-12-25 | Method of supplying power to, device and measurement jig during a kind of test display screen |
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| CN105652114A true CN105652114A (en) | 2016-06-08 |
| CN105652114B CN105652114B (en) | 2018-01-19 |
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| CN201511006028.7A Expired - Fee Related CN105652114B (en) | 2015-12-25 | 2015-12-25 | Method of supplying power to, device and measurement jig during a kind of test display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108874605A (en) * | 2018-06-29 | 2018-11-23 | Oppo广东移动通信有限公司 | Display screen test method, device, electronic equipment and storage medium |
| CN111402766A (en) * | 2019-01-02 | 2020-07-10 | 格科微电子（上海）有限公司 | Module testing method |
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| CN103018594A (en) * | 2012-11-30 | 2013-04-03 | 深圳市汇顶科技股份有限公司 | Capacitive touch screen testing method and system, and electronic equipment |
| CN202939471U (en) * | 2012-11-21 | 2013-05-15 | 北京市凯德光电技术开发公司 | Device for display screen power management and monitoring and controlling |
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| CN201149614Y (en) * | 2008-01-08 | 2008-11-12 | 福建捷联电子有限公司 | Signal switch plate of circuit board test control tool as well as used test system |
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| CN108874605A (en) * | 2018-06-29 | 2018-11-23 | Oppo广东移动通信有限公司 | Display screen test method, device, electronic equipment and storage medium |
| CN108874605B (en) * | 2018-06-29 | 2021-09-17 | Oppo广东移动通信有限公司 | Display screen testing method and device, electronic equipment and storage medium |
| CN111402766A (en) * | 2019-01-02 | 2020-07-10 | 格科微电子（上海）有限公司 | Module testing method |
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| Publication number | Publication date |
|---|---|
| CN105652114B (en) | 2018-01-19 |
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