CN107976372A - Strength testing device - Google Patents
Strength testing device Download PDFInfo
- Publication number
- CN107976372A CN107976372A CN201711113527.5A CN201711113527A CN107976372A CN 107976372 A CN107976372 A CN 107976372A CN 201711113527 A CN201711113527 A CN 201711113527A CN 107976372 A CN107976372 A CN 107976372A
- Authority
- CN
- China
- Prior art keywords
- adjustable plate
- testing device
- strength testing
- anchor point
- supporter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of strength testing device, including：Base station；Arranged on the articulated section of base station, including compression bar；First supporting item, including the first supporter, slip are loaded on the first adjustable plate and the first adjustment portion of the first supporter of connection and the first adjustable plate of the first supporter；Second supporting item, including the second adjustable plate and the second adjustment portion arranged on base station for driving the movement of the second adjustable plate；First supporter is rotated loaded on articulated section, and the first adjustable plate and the second adjustable plate are located at articulated section opposite sides, and the first supporter is overturn using compression bar as axis with respect to the second adjustable plate；The surface of first adjustable plate and the second adjustable plate is equipped with the first anchor point and the second anchor point, and compression bar is between the first anchor point and the second anchor point；First adjustment portion adjusts the first adjustable plate away from compression bar movement to adjust displacement of first anchor point with respect to the second anchor point, and the second adjustment portion adjusts the second adjustable plate away from compression bar to adjust displacement of second anchor point with respect to the first anchor point.
Description
Technical field
The present invention relates to film strength test technical field resistant to bending, more particularly to a kind of strength testing device.
Background technology
With the continuous progress of science and technology, since Organic Light Emitting Diode is also known as Organic Electricity laser display (Organic
Light-Emitting Diode, OLED) high response speed itself, high brightness, wide viewing angle and the characteristics of high contrast, powerful
Application background promote under achieve swift and violent development, reached in luminosity, luminous efficiency, service life etc.
The requirement of practical application.And OLED also needs to consider dynamic flex life, to examine it to be supported under alternate stress and effects of strain
The ability of anti-local structural variation and internal flaw development.
In current film dynamic flex life tester, tester using fixed plate and the movable plate of rotation connection come
Localizing sample, and relative to fixed plate drive sample, folding is bent with realizing repeatedly by driving movable plate.This buckling strength
In test process, relaxation occurs during multiple bending in sample, influences the final buckling strength test result of sample.
The content of the invention
It is an object of the invention to provide a kind of strength testing device, and solving sample, bending relaxes for a long time, stress
Unbalanced problem.
Strength testing device of the present invention, for testing film intensity resistant to bending, the strength testing device includes：
Base station；
Arranged on the articulated section of base station, the articulated section includes compression bar；
First supporting item, first supporting item include first of the first supporter, slip loaded on first supporter
Adjustable plate and the first adjustment portion for connecting first supporter and the first adjustable plate；
Second supporting item, second supporting item are arranged on base station including what the second adjustable plate and the second adjustable plate of drive moved
The second adjustment portion；
Wherein, first supporter is rotated loaded on the articulated section, and first adjustable plate is adjusted with described second
Plate is located at articulated section opposite sides, and first supporter is overturn using compression bar as axis with respect to the second adjustable plate；
The surface of first adjustable plate is equipped with the first anchor point, and the surface of second adjustable plate is equipped with the second positioning
Point, the compression bar is between the first anchor point and the second anchor point；
First adjustment portion adjusts the first adjustable plate away from compression bar movement to adjust opposite second positioning of the first anchor point
The displacement of point, second adjustment portion adjust the second adjustable plate away from compression bar to adjust the second anchor point with respect to the first anchor point
Displacement.
Wherein, the compression bar can be according to required flip angle radius dismounting and change.
Wherein, first adjustment portion includes：
First slide, first slide are located on first supporter, and first adjustable plate is slided described first
Slided on rail；
Extension spring, the extension spring are located at end connection described first of first supporter away from the compression bar
Adjustable plate is to control first adjustable plate slide displacement on first slide..
Wherein, second adjustment portion includes：
Sliding block, the sliding block are fixedly connected with second adjustable plate；
Second slide, second slide are arranged on the base station, and the sliding block is slided loaded on second slide；
Handle, the handle are used to regulate and control the sliding block and slide to adjust the position of second adjustable plate.
Wherein, the first adjusting plate surface is equipped with the first fixed strip, and first fixed strip is used for one end of sample
It is fixed on first anchor point.
Wherein, the surface of second adjustable plate is equipped with the second fixed strip, and second fixed strip is used for the another of sample
One end is fixed on second anchor point.
Wherein, the strength testing device includes driving mechanism, and the driving mechanism is arranged in the base station, for driving
First supporter is moved to repeat to operate from 0 degree of upset to 180 degree relative to second adjustable plate.
Wherein, the strength testing device includes transport mechanism, and after the driving mechanism driving, the transport mechanism drives
First supporter repeats to operate relative to second adjustable plate from 0 degree of upset to 180 degree.
Wherein, the strength testing device includes danger button, start button and stop button, and the danger button, open
Dynamic button and stop button are arranged on the base station, and the start button is used to start strength testing device, the danger button
For emergent stopping strength testing device, the stop button is used to stop strength testing device.
Wherein, the compression bar is made of amorphous metal.
Strength testing device of the present invention is flipbook formula dynamic bending device, realizes and sample is turned over for 0 ° to 180 °
Folding, and automatic aligning compensation device and Manual-alignment compensation device are provided with upper backup pad and lower supporting plate respectively, solve
Sample is because long-time bending relaxes, the problem of unequal power distribution.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the test device resistant to bending of the present invention.
Fig. 2 is the front view of the test device resistant to bending described in Fig. 1.
Fig. 3 is the top view of the test device resistant to bending described in Fig. 1.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1 to Fig.3, the present invention provides a kind of strength testing device 100, for the resistant to bending strong of test sample
Degree.The strength testing device 100 includes：Base station 23, arranged on the articulated section of the base station 23, the first supporting item and second support
Part.
The sample includes the tablets such as paper, plastic sheet or film.In the present embodiment, the sample is Flexible Displays
Screen, the flexible display screen include display panel 5 and flexible circuit board 18, the display panel 5 and the flexible circuit board 18
Between for be electrically connected.
The strength testing device 100 includes danger button 15, start button 16 and stop button 17, the danger button
15th, start button 16 and stop button 17 are arranged on the base station 23, and the start button 16 and stop button 17 control described
The startup and stopping of strength testing device 100, so that the startup and stopping of the strength testing device 100 are controlled, when described strong
When burning issue occurs in the process of running in degree test device 100, the danger button 15 can strength test described in emergent stopping
Device 100.The base station 23 includes transmission device region 6 and driving device region 7.
The articulated section includes 20, two compression bar stents 8 being oppositely arranged of compression bar and two hinged seats 19 being oppositely arranged.
The compression bar 20 is made of amorphous metal, has preferable rigidity.The compression bar 20 is arranged to detachable type, can be according to required
The difference of flip angle radius is wanted to carry out dismounting replacement.The compression bar stent 8 and hinged seat 19 support the compression bar 20, specifically
, 20 both ends of compression bar are rotatablely connected through the compression bar stent 8 with the hinged seat 19.
First supporting item includes the first supporter 1, slides 24 and of the first adjustable plate loaded on first supporter 1
Connect the first adjustment portion of first supporter 1 and first adjustable plate 24.Specifically, first supporter 1 supports
First adjustable plate 24, first adjustable plate 24 place sample to be tested.
First adjustment portion includes the first slide 2 and the first slide 4 and extension spring 3.First slide 2 and
One slide 4 is located on first supporter 1, is specially that the first slide 2 and the first slide 4 are arranged on first supporter 1
Surface opposite sides.First adjustable plate 24 is slided loaded on 2 and first slide 4 of the first slide.The extension spring 3
Arranged on the one end of first supporter 1 away from the compression bar 20 and first adjustable plate 24 is connected away from the compression bar 20
One end, the extension spring control first adjustable plate 24 to be slided on first slide so as to control first positioning
Put 22 positions relative to the second anchor point 25.
Second supporting item includes the second adjustable plate 10 and is arranged on the base station 23 with what the second adjustable plate 10 of drive moved
The second adjustment portion.Wherein, first supporter 1 is rotated loaded on the articulated section, first adjustable plate 24 with it is described
Second adjustable plate 10 is located at the opposite sides of the articulated section, and first supporter 1 is adjusted with compression bar 20 for axis opposite second
Plate 10 is overturn.The surface of first adjustable plate 24 is equipped with the first anchor point 22, and the surface of second adjustable plate 10 is equipped with the
Two anchor points 25,22 and second anchor point 25 of the first anchor point are multiple, can be selected according to the length of sample different
First anchor point 22 and the second anchor point 25.The compression bar 20 is between 22 and second anchor point 25 of the first anchor point；
First adjustment portion adjusts the first adjustable plate 24 and is moved away from compression bar 20 to adjust 22 opposite second anchor point of the first anchor point
25 position, it is fixed to adjust the second anchor point 25 opposite first away from compression bar 20 that second adjustable plate adjusts the second adjustable plate 10
The displacement in site 22.
The surface of first adjustable plate 24 is equipped with the first fixed strip 21, and first fixed strip 21 is by one end of sample 5
It is fixed on first anchor point 22.Sample to be tested is positioned over second adjustable plate 10, second adjustable plate 10
Surface is equipped with the second fixed strip 9, and the other end of the sample 5 is fixed on second anchor point 25 by second fixed strip
On.Second adjustment portion includes sliding block 11, the second slide 12 and 14 and handle 13.Second slide, 12 and second slide
The 14 opposite surfaces for being arranged on the base station.In the present embodiment, for ease of the screw of adjusting, the sliding block 11 slides the handle 13
Loaded on 12 and second slide 14 of the second slide.The sliding block 11 is fixedly connected with second adjustable plate 10, works as rotation
During the handle 13, the sliding block 11 drives second adjustable plate 10 to be slided on 12 and second slide 14 of the second slide
So as to control the position of 25 opposite first anchor point 22 of the second anchor point on second adjustable plate 10.
The strength testing device 100 includes driving mechanism, and the driving mechanism is arranged at the driving device region 7
Interior, the driving mechanism drives the upper support component relative to relatively described second adjustable plate 10 from 0 of first supporter 1
Degree upset repeats to operate to 180 degree, so that 5 one end of sample being fixed on first adjustable plate 24 is described relative to being fixed on
The other end of sample 5 on second adjustable plate 10 repeats to operate from 0 degree of upset to 180 degree.
The strength testing device 100 includes transport mechanism, and the transfer structure is arranged at the transmission device region 6
It is interior.After the driving mechanism drives, the transport mechanism 6 drives first supporter 1 relative to second adjustable plate
10 repeat to operate from 0 degree of upset to 180 degree, so that 5 one end of sample being fixed on first adjustable plate 24 is relative to fixation
The other end of sample 5 on second adjustable plate 10 repeats to operate from 0 degree of upset to 180 degree.
Specifically, when being tested using the strength testing device 100 into Mobile state buckling strength flexible display screen, will
First supporting item is overturn to 180 degree, and flexible display screen is slowly moved at required place-centric point under the compression bar 20
Contraposition adjustment up and down is remake, is then clasped respectively with the first fixed strip 21 and the second fixed strip 9 aobvious on the flexible display screen
Show 5 both ends of panel, the flexible PCB 18 on the flexible display screen completely cuts off solid in first fixed strip 21 and second at this time
Determine outside the bending strength test zone that bar 9 surrounds.The display panel 5 being fixed on 13, the handle on the second adjustable plate 10
Slightly adjust so that 5 stress of whole display panel keeps balance.Display panel 5 presses start button 16 after installation is complete, described
Driving mechanism starts to drive transport mechanism movement, drive first supporter 1 relative to second adjustable plate 10 from 0 degree to
180 degree upset repeats to operate.Relaxation occurs after display panel 5 is bent for a long time, if as long as slightly relaxing, the stretching bullet
First adjustable plate 24 can be pulled up realization along first slide 2 and 4 and is compensated and adjusted automatically by spring 3, and manually
Adjustment handle 13 controls second adjustable plate 10 to be moved along second slide 12 and 14 and realizes that manual compensation adjusts, so that
Stress of the display panel 5 in whole bending strength test process is balanced, any when occurring in bending strength test process
During emergency, test process can be stopped at once by pressing the danger button 15.
The strength testing device of the present invention employs automatic aligning compensation and manual operation when dynamic is bent and is combined so that
Sample all keeps original stress equilibrium state in whole buckling strength test process；And the structure of flipbook formula can make sample from 0 degree
Bend to 180 degree, when testing the buckling strength of flexible display screen, carried out after rear flexible display screen can be lighted repeatedly, it is convenient
Observe picture effect of the flexible display screen in buckling strength test process；The first adjustable plate to carrying sample can also be passed through
Special oxidation processes are carried out with the surface of the second adjustable plate, so as to test the buckling strength of cohesive material.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that realize all or part of flow of above-described embodiment, and will according to right of the present invention
Made equivalent variations are sought, still falls within and invents covered scope.
Claims (10)
- A kind of 1. strength testing device, it is characterised in that including：Base station；Arranged on the articulated section of base station, the articulated section includes compression bar；First supporting item, first supporting item include the first supporter, slide the first adjusting loaded on first supporter Plate and the first adjustment portion for connecting first supporter and the first adjustable plate；Second supporting item, second supporting item include the second adjustable plate and drive be arranged on base station the of the movement of the second adjustable plate Two adjustment portions；Wherein, first supporter, which rotates, is loaded on the articulated section, first adjustable plate and the second adjustable plate position In articulated section opposite sides, first supporter is overturn using compression bar as axis with respect to the second adjustable plate；The surface of first adjustable plate is equipped with the first anchor point, and the surface of second adjustable plate is equipped with the second anchor point, institute Compression bar is stated between the first anchor point and the second anchor point；First adjustment portion adjusts the first adjustable plate away from compression bar movement to adjust the first anchor point with respect to the second anchor point Displacement, second adjustment portion adjust the second adjustable plate away from compression bar to adjust position of second anchor point with respect to the first anchor point Move.
- 2. strength testing device as claimed in claim 1, it is characterised in that the compression bar can be according to first supporter With respect to the flip angle radius dismounting and change needed for the second adjustable plate.
- 3. strength testing device as claimed in claim 1, it is characterised in that first adjustment portion includes：First slide, first slide are located on first supporter, and first adjustable plate, which slides, is loaded on described first On slide；Extension spring, the extension spring are located at end connection described first of first supporter away from the compression bar and adjust Plate is to control first adjustable plate slide displacement on first slide.
- 4. strength testing device as claimed in claim 1, it is characterised in that second adjustment portion includes：Sliding block, the sliding block are fixedly connected with second adjustable plate；Second slide, second slide are arranged on the base station, and the sliding block is slided loaded on second slide；Handle, the handle are used to regulate and control the sliding block and slide to adjust the position of second adjustable plate.
- 5. such as Claims 1 to 4 any one of them strength testing device, it is characterised in that the first adjusting plate surface is set There is the first fixed strip, first fixed strip is used to one end of sample being fixed on first anchor point.
- 6. strength testing device as claimed in claim 5, it is characterised in that it is solid that the surface of second adjustable plate is equipped with second Determine bar, second fixed strip is used to the other end of sample being fixed on second anchor point.
- 7. strength testing device as claimed in claim 1, it is characterised in that the strength testing device includes driving mechanism, The driving mechanism is arranged in the base station, for driving first supporter relative to second adjustable plate from 0 degree Upset repeats to operate to 180 degree.
- 8. strength testing device as claimed in claim 1, it is characterised in that the strength testing device includes transport mechanism, After the driving mechanism driving, the transport mechanism drives first supporter to be turned over relative to second adjustable plate from 0 degree 180 degree is gone to repeat to operate.
- 9. strength testing device as claimed in claim 1, it is characterised in that the strength testing device include danger button, Start button and stop button, the danger button, start button and stop button are arranged on the base station, the start button For starting strength testing device, the danger button is used for emergent stopping strength testing device, and the stop button is used to stop Only strength testing device.
- 10. strength testing device as claimed in claim 2, it is characterised in that the compression bar is made of amorphous metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113527.5A CN107976372B (en) | 2017-11-13 | 2017-11-13 | Strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113527.5A CN107976372B (en) | 2017-11-13 | 2017-11-13 | Strength testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976372A true CN107976372A (en) | 2018-05-01 |
| CN107976372B CN107976372B (en) | 2021-03-02 |
Family
ID=62013304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711113527.5A Active CN107976372B (en) | 2017-11-13 | 2017-11-13 | Strength testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976372B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801818A (en) * | 2018-05-30 | 2018-11-13 | 上海与德通讯技术有限公司 | Bending mechanism |
| CN108982259A (en) * | 2018-10-10 | 2018-12-11 | 常德金鹏印务有限公司 | A kind of trade mark indentation line fold resistant device for detecting performance |
| CN112129654A (en) * | 2020-10-28 | 2020-12-25 | 温州微计智能科技有限公司 | Information acquisition device based on folding times of PCB (printed circuit board) flexible printed circuit board |
| CN112504823A (en) * | 2021-02-04 | 2021-03-16 | 浙江荷清柔性电子技术有限公司 | Flexible chip bending capability testing device, testing method and flexible carrier |
| EP4177591A4 (en) * | 2021-09-23 | 2023-12-06 | Honor Device Co., Ltd. | Test apparatus for flexible circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010024124A1 (en) * | 2000-03-27 | 2001-09-27 | Sumitomo Wiring Systems, Ltd. | Bend-test device for wire harnesses |
| CN203824849U (en) * | 2014-02-24 | 2014-09-10 | 东莞市骏达触控科技有限公司 | Testing device for bending resistance of thin film |
| CN205538498U (en) * | 2016-04-25 | 2016-08-31 | 蓝思科技股份有限公司 | Panel detection device that bursts that buckles |
| CN107014700A (en) * | 2017-04-25 | 2017-08-04 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus |
| CN107144476A (en) * | 2017-04-25 | 2017-09-08 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus and its transmission device |
-
2017
- 2017-11-13 CN CN201711113527.5A patent/CN107976372B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010024124A1 (en) * | 2000-03-27 | 2001-09-27 | Sumitomo Wiring Systems, Ltd. | Bend-test device for wire harnesses |
| CN203824849U (en) * | 2014-02-24 | 2014-09-10 | 东莞市骏达触控科技有限公司 | Testing device for bending resistance of thin film |
| CN205538498U (en) * | 2016-04-25 | 2016-08-31 | 蓝思科技股份有限公司 | Panel detection device that bursts that buckles |
| CN107014700A (en) * | 2017-04-25 | 2017-08-04 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus |
| CN107144476A (en) * | 2017-04-25 | 2017-09-08 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus and its transmission device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801818A (en) * | 2018-05-30 | 2018-11-13 | 上海与德通讯技术有限公司 | Bending mechanism |
| CN108982259A (en) * | 2018-10-10 | 2018-12-11 | 常德金鹏印务有限公司 | A kind of trade mark indentation line fold resistant device for detecting performance |
| CN112129654A (en) * | 2020-10-28 | 2020-12-25 | 温州微计智能科技有限公司 | Information acquisition device based on folding times of PCB (printed circuit board) flexible printed circuit board |
| CN112129654B (en) * | 2020-10-28 | 2021-07-09 | 江苏创励安科技有限公司 | Information acquisition device based on folding times of PCB (printed circuit board) flexible printed circuit board |
| CN112504823A (en) * | 2021-02-04 | 2021-03-16 | 浙江荷清柔性电子技术有限公司 | Flexible chip bending capability testing device, testing method and flexible carrier |
| EP4177591A4 (en) * | 2021-09-23 | 2023-12-06 | Honor Device Co., Ltd. | Test apparatus for flexible circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107976372B (en) | 2021-03-02 |
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