CN211954623U - Detection apparatus and equipment for folding screen - Google Patents
Detection apparatus and equipment for folding screen Download PDFInfo
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- CN211954623U CN211954623U CN202020573262.8U CN202020573262U CN211954623U CN 211954623 U CN211954623 U CN 211954623U CN 202020573262 U CN202020573262 U CN 202020573262U CN 211954623 U CN211954623 U CN 211954623U
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Abstract
The embodiment of the application provides a detection device and equipment for a folding screen. This detection device of folding screen includes: the device comprises a screen lighting component, a detection component, an alarm component and a controller; the screen lighting assembly is electrically connected with the folding screen; the detection assembly comprises at least two image sensors, the detection surface of at least one image sensor is used for being parallel to the folding axis of the folding screen, and the detection surface of at least one other image sensor is used for being perpendicular to the folding axis; all image sensors of the screen lighting assembly, the alarm assembly and the detection assembly are in communication connection with the controller. The embodiment of the application realizes the automatic recognition of the NG state of the folding screen.
Description
Technical Field
The application relates to the technical field of detection of folding screens, in particular to a detection device and equipment of a folding screen.
Background
Before the folding screen leaves a factory, bending reliability test is required, generally, a bending tester is adopted to drive the folding screen to be repeatedly bent, or repeated bending is carried out according to set frequency, and the bending times of the folding screen are recorded. But the lack of recognition of the NG (Not Good, i.e. bad screen) state of the folding screen can lead to the occurrence of Peeling (falling off between the film layers of the folding screen) on the screen, but the bending tester still records the bending times, and the accurate bending times of the folding screen cannot be obtained.
SUMMERY OF THE UTILITY MODEL
This application provides a detection device and equipment of folding screen to the shortcoming of current mode for solve prior art existence, lack the discernment to folding screen NG state in the reliability test of buckling of folding screen, and can't acquire the technical problem of the number of times of can buckling of accurate folding screen.
In a first aspect, an embodiment of the present application provides a detection apparatus for a folding screen, including: the device comprises a screen lighting component, a detection component, an alarm component and a controller;
the screen lighting assembly is electrically connected with the folding screen;
the detection assembly comprises at least two image sensors, the detection surface of at least one image sensor is used for being parallel to the folding axis of the folding screen, and the detection surface of at least one other image sensor is used for being perpendicular to the folding axis;
all image sensors of the screen lighting assembly, the alarm assembly and the detection assembly are in communication connection with the controller.
In a second aspect, an embodiment of the present application provides a detection apparatus for a folding screen, including: a bending tester, and a detection device for a folded screen as provided in the first aspect;
the bending tester is used for bearing the folding screen and driving the folding screen to bend;
the screen lighting assembly of the detection device is electrically connected with the folding screen;
at least one image sensor in the detection assembly of the detection device is positioned on one side of the bending tester parallel to the folding axis of the folding screen, and at least another image sensor in the detection assembly of the detection device is positioned on one side of the bending tester vertical to the folding axis.
The technical scheme provided by the embodiment of the application has the following beneficial technical effects:
the screen lighting assembly is used for lighting the folding screen, and is beneficial to the folding screen to show the current screen display state;
the detection assembly adopts at least two image sensors to respectively detect the display state of the folding screen and the falling state between the film layers of the bending area of the folding screen, and realizes multi-angle detection, thereby being beneficial to improving the detection accuracy; the image sensor can also be used for recording the bending times of the folding screen, providing accurate bending times when the screen is NG, and evaluating the bending reliability of the folding screen more accurately;
the controller can control the screen lighting assembly to enable the screen lighting assembly, the folding screen real-time state collected by the detection assembly is analyzed and judged, and if the folding screen has a display fault or a film layer in a bending area drops, the alarm assembly is controlled to give out a warning, so that the NG state of the folding screen can be automatically identified.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a detection apparatus for a folding screen according to an embodiment of the present disclosure;
FIG. 2 is a schematic top view of the detection assembly and the foldable screen of FIG. 1;
fig. 3 is a schematic structural diagram of a detection apparatus for a folding screen according to an embodiment of the present application;
FIG. 4 is a schematic top view of the detection assembly, the bending tester and the folding screen of the detection apparatus of FIG. 3;
fig. 5 is a schematic structural diagram of another detection apparatus for a folding screen according to an embodiment of the present application.
In the figure:
100-a detection device;
110-a screen lighting component; 111-screen lighting fixture; 112-a flexible circuit board;
120-a detection component; 121-an image sensor; 122-a lifting platform;
130-an alarm component; 131-a drive circuit; 132-an alarm device;
140-a controller;
150-shutdown drive mechanism; 151-a power source; 152-an operating arm; 152 a-operating arm body; 152 b-flexible contact fingers; 152 c-a control valve; 152 d-relief valve;
200-bending tester; 200 a-stop buckle switch;
300-folding screen.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
The inventor of the application researches and discovers that before the folding screen leaves a factory, a bending reliability test needs to be carried out, and generally, a bending tester is adopted to drive the folding screen to be repeatedly bent or repeatedly bent according to a set frequency, and the bending times of the folding screen are recorded. But the lack of recognition of the NG (Not Good, i.e. bad screen) state of the folding screen can lead to the occurrence of Peeling (falling off between the film layers of the folding screen) on the screen, but the bending tester still records the bending times, and the accurate bending times of the folding screen cannot be obtained. At present, no automatic detection equipment for a bending tester can consider manual discrimination, namely, a worker stares a folding screen to recognize the folding screen in the whole course of eyes, so that the labor intensity is high, and the accuracy of eye recognition is low.
The application provides a detection device and equipment of folding screen aims at solving prior art as above technical problem.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments.
The embodiment of the present application provides a detection apparatus 100 for a folding screen, and a schematic structural diagram of the detection apparatus 100 is shown in fig. 1 and fig. 2, and includes: a screen illuminating component 110, a detecting component 120, an alarm component 130, and a controller 140.
The screen lighting assembly 110 is adapted to be electrically connected to the folding screen 300.
The detection assembly 120 includes at least two image sensors 120, with a detection face of at least one image sensor 120 configured to be parallel to a fold axis of the folding screen 300 and a detection face of at least one other image sensor 120 configured to be perpendicular to the fold axis.
All of the image sensors 120 of the screen illuminating assembly 110, the alarm assembly 130 and the detection assembly 120 are communicatively coupled to the controller 140.
The detection device 100 of the folding screen that this embodiment provided can be used for cooperating the experiment machine 200 of buckling and use, has effectively solved the difficult problem of discerning screen Peeling of people's eye, has saved a large amount of labours, and the number of times of buckling when also can accurate record screen NG simultaneously is more accurate to its evaluation of buckling the reliance.
Specifically, the screen illuminating assembly 110 constitutes an enabling module of the foldable screen 300 for illuminating the foldable screen 300, which facilitates the foldable screen 300 to show the current screen display state.
The detection assembly 120 respectively detects the display state of the foldable screen 300 and the falling state between the film layers of the bending region of the foldable screen 300 by using at least two image sensors 120. Among the image sensors 120, at least one image sensor 120 detects the foldable screen 300 in a direction perpendicular to the folding axis of the foldable screen 300 (i.e., the front side of the screen), and at least another image sensor 120 detects the foldable screen 300 in a direction parallel to the folding axis of the foldable screen 300 (i.e., the side of the screen), so that multi-angle detection is realized, and the detection accuracy is improved. And the image sensor 120 can also be used to record the number of times of bending of the folding screen 300, provide the accurate number of times of bending when the screen NG, and evaluate the bending reliability of the folding screen 300 more accurately.
Alternatively, the image sensor 120 may be a CCD (Charge Coupled Device) image sensor 120, or may be a CMOS (Complementary Metal-Oxide-Semiconductor) image sensor 120.
The controller 140 can control the screen lighting component 110 to enable, analyze and judge the real-time state of the folding screen 300 collected by the detection component 120, and control the alarm component 130 to send out an alarm and contact the staff if the folding screen 300 has a display fault or a film layer in a bending area drops, so that the NG state of the folding screen 300 can be automatically identified.
In some possible implementations, as shown in fig. 1, the screen lighting assembly 110 of the embodiment of the present application includes a screen lighting fixture 111 and a flexible circuit board 112.
The screen lighting fixture 111 is in communication with the controller 140.
One end of the flexible circuit board 112 is electrically connected to the screen lighting fixture 111, and the other end of the flexible circuit board 112 is used for electrically connecting to the folding screen 300.
Alternatively, the screen lighting fixture 111 may be a PG (Pattern generation) lighting machine.
In some possible embodiments, as shown in fig. 1, the detection assembly 120 further includes a lift table 122 communicatively coupled to the controller 140, the lift table 122 carrying the image sensor 120 and being configured to adjust the height of the image sensor 120 relative to the fold axis.
In this embodiment, the lifting platform 122 provides a mounting position for the image sensor 120, and on the other hand, the height of the image sensor 120 can be adjusted to accommodate different thicknesses of the folding screen 300 or different detection heights of the bending tester 200. And thus the compatibility of the entire detection apparatus 100 can be improved.
In some possible embodiments, as shown in FIG. 1, the alarm assembly 130 includes a driver circuit 131 and an alarm device 132 communicatively coupled to each other.
The driving circuit 131 is communicatively connected to the controller 140.
The alarm device 132 includes at least one of a buzzer and a warning light.
In this embodiment, the driving circuit 131 may perform a corresponding action according to the control signal of the controller 140, specifically, drive the alarm device 132 to work, so as to remind a worker. The buzzer can provide warning sound, and the warning lamp can provide warning light.
Based on the same inventive concept, an embodiment of the present application provides a detection apparatus for a foldable screen, and a schematic structural diagram of the detection apparatus is shown in fig. 3 and fig. 4, and the detection apparatus includes: a bending tester 200, and a folded screen detection apparatus 100 as provided in any of the previous embodiments.
The screen lighting assembly 110 of the detection apparatus 100 is adapted to be electrically connected to the folding screen 300.
At least one image sensor 120 of the detecting units 120 of the detecting apparatus 100 is located at a side of the bending tester 200 parallel to the folding axis of the folding screen 300, and at least another image sensor 120 of the detecting units 120 of the detecting apparatus 100 is located at a side of the bending tester 200 perpendicular to the folding axis.
In this embodiment, bending tester 200 can be a conventional bending tester 200. A jig for restraining the foldable screen 300 and actively driving or passively driving the foldable screen 300 to perform bending with a set frequency may be generally used to carry the foldable screen 300.
When the inspection apparatus provided in this embodiment is used, the foldable screen 300 is constrained to the bending tester 200 by a jig, and the foldable screen 300 is electrically connected to the screen lighting assembly 110. The bending frequency of the bending tester 200 is set, the height of the lifting table 122 is adjusted to align the image sensors 120 with the detected position, and the photographing frequency of each image sensor 120 is set to be the same as the bending frequency of the bending tester 200, so that the image sensors 120 record the display information of each bending of the folding screen 300. After the controller 140 controls the screen lighting fixture 111 of the screen lighting assembly 110 to light the screen of the foldable screen 300, the folding tester 200 drives the foldable screen 300 to perform repeated folding. Each image sensor 120 converts the acquired real-time image into a real-time digital signal and sends the real-time digital signal to the controller 140, the controller 140 analyzes each real-time digital signal, when it is determined that the display abnormality occurs in the folding screen 300 or the Peeling phenomenon occurs in the film layer of the folding area of the folding screen 300, the controller 140 can record the current bending frequency and send a signal to the driving circuit 131 of the alarm component 130, and the driving circuit 131 drives the buzzer and/or the warning lamp to send a warning to notify the staff.
In this embodiment, since the detection apparatus adopts the detection apparatus 100 provided in the foregoing embodiments, please refer to the foregoing embodiments for the principle and technical effect of the detection apparatus 100, which will not be described herein again.
In some possible embodiments, as shown in fig. 5, the detection device 100 further comprises a shutdown drive mechanism 150.
The parking drive mechanism 150 includes: a power source 151 and an operating arm 152.
The power source 151 is in communication with the controller 140 of the detection device 100, and the power source 151 is in driving connection with the operating arm 152.
The operating arm 152 is used to strike at least the stop-bend switch 200a of the bending tester 200.
In this embodiment, the shutdown driving mechanism 150 in the detection apparatus 100 can realize automatic shutdown of the bending experiment, which is beneficial to improve the automation degree of the bending reliability test of the detection device on the folding screen 300.
Specifically, when the controller 140 determines that the display of the foldable screen 300 is abnormal or the film layer in the bending area of the foldable screen 300 has Peeling phenomenon, the controller 140 sends a signal to the power source 151, and the power source 151 drives the operation arm 152 to make an action of touching the stop bending switch 200a of the bending testing machine 200, so as to stop the bending action of the bending testing machine 200. Meanwhile, the controller 140 may record the current bending times and send a signal to the driving circuit 131 of the alarm component 130, and the driving circuit 131 drives the buzzer and/or the warning lamp to send a warning to notify the worker.
In some possible embodiments, as shown in fig. 5, the operating arm 152 includes an operating arm main body 152a and a flexible contact finger 152b, and the flexible contact finger 152b is connected to an operating end of the operating arm main body 152 a.
In the present embodiment, the operation arm main body 152a is used to drive the flexible contact finger 152b to move, so as to realize the striking action of the stop bending switch 200a of the bending tester 200. The flexible finger 152b can be in soft contact with the stop bending switch 200a of the bending tester 200 to protect the stop bending switch 200a of the bending tester 200.
Alternatively, the operation arm main body 152a is a multi-link robot arm, and the power source 151 of the stop driving mechanism 150 may be a motor or a hydraulic pump provided at each joint of the multi-link robot arm.
Alternatively, the power source 151 is any one of a hydraulic motor, a hydraulic pump, and an air pump, and the operating arm body 152a is a pressure fluid transmission pipe having a control valve 152c, and the control valve 152c is communicatively connected to the controller 140.
Any one of the hydraulic motor, the hydraulic pump and the air pump is connected to one end of the pressure fluid transmission pipe, and the flexible contact finger 152b of the operation arm 152 is telescopically connected to the other end of the pressure fluid transmission pipe and directed to the stop bending switch 200a of the bending tester 200.
In the present embodiment, the pressure is supplied into the pressure fluid transmission line by any one of the power sources 151 of the hydraulic motor, the hydraulic pump, and the air pump, and the opening and closing of the control valve 152c is controlled by the controller 140. The opening of the control valve 152c can release the pressure in the pressure fluid transmission pipeline, so as to drive the flexible contact finger 152b to extend out of the pressure fluid transmission pipeline, so as to strike the stop bending switch 200a of the bending tester 200, thereby stopping the bending action of the bending tester 200.
Optionally, the operating arm 152 further comprises a relief valve 152d disposed on the pressurized fluid transmission conduit, the relief valve 152d being in communication with the controller 140.
In this embodiment, a relief valve 152d placed on the pressure fluid transmission line can relieve excess pressure in the pressure fluid transmission line to avoid possible danger due to excessive pressure.
By applying the embodiment of the application, at least the following beneficial effects can be realized:
1. the screen lighting component 110 is used for lighting the folding screen 300, so that the folding screen 300 can show the current screen display state;
2. the detection assembly 120 adopts at least two image sensors 120 to respectively detect the display state of the folding screen 300 and the falling state between the film layers of the bending area of the folding screen 300, and realizes multi-angle detection, thereby being beneficial to improving the detection accuracy; the image sensor 120 can also be used for recording the bending times of the folding screen 300, providing accurate bending times when the screen is NG, and evaluating the bending reliability of the folding screen 300 more accurately;
3. the controller 140 can control the enabling of the screen lighting assembly 110, analyze and judge the real-time state of the folding screen 300 acquired by the detection assembly 120, and control the alarm assembly 130 to give an alarm if the folding screen 300 has a display fault or a film layer in a bending area falls off, so that the NG state of the folding screen 300 can be automatically identified;
4. the lifting platform 122 provides a mounting position for the image sensor 120, and enables the height of the image sensor 120 to be adjustable to adapt to different thicknesses of the folding screen 300 or to adapt to different detection heights of the bending tester 200. And thus the compatibility of the entire detection apparatus 100 can be improved.
5. The shutdown driving mechanism 150 in the detection apparatus 100 can realize automatic shutdown of the bending experiment, which is beneficial to improving the automation degree of the bending reliability test of the detection device on the folding screen 300.
6. The operation arm main body 152a is used for driving the flexible contact finger 152b to move so as to realize the touch action on the stop bending switch 200a of the bending tester 200; the flexible finger 152b can be in soft contact with the stop bending switch 200a of the bending tester 200 to protect the stop bending switch 200a of the bending tester 200.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (9)
1. A detection device for a folding screen, comprising: a screen lighting component (110), a detection component (120), an alarm component (130) and a controller (140);
the screen lighting assembly (110) is used for being electrically connected with the folding screen (300);
the detection assembly (120) comprises at least two image sensors (121), the detection surface of at least one image sensor (121) is used for being parallel to the folding axis of the folding screen (300), and the detection surface of at least one other image sensor (121) is used for being perpendicular to the folding axis;
all of the image sensors (121) of the screen illuminating assembly (110), the alarm assembly (130) and the detection assembly (120) are communicatively connected to the controller (140).
2. The detection device according to claim 1, wherein the screen lighting assembly (110) comprises a screen lighting fixture (111) and a flexible circuit board (112);
the screen lighting fixture (111) is in communication connection with the controller (140);
one end of the flexible circuit board (112) is electrically connected with the screen lighting jig (111), and the other end of the flexible circuit board (112) is used for being electrically connected with the folding screen (300).
3. The detection apparatus according to claim 1, wherein the detection assembly (120) further comprises a lift table (122) in communicative connection with the controller (140), the lift table (122) carrying the image sensor (121) and being configured to adjust a height of the image sensor (121) relative to the folding axis.
4. The detection apparatus according to claim 1, wherein the alarm assembly (130) comprises a drive circuit (131) and an alarm device (132) communicatively connected to each other;
the drive circuit (131) is in communication connection with the controller (140);
the alarm device (132) includes at least one of a buzzer and a warning light.
5. A detection device for a folding screen, comprising: a bending tester (200) and a detection device of a folded screen according to any one of claims 1 to 4;
the bending tester (200) is used for bearing the folding screen (300) and driving the folding screen (300) to bend;
the screen lighting component (110) of the detection device is used for being electrically connected with the folding screen (300);
at least one image sensor (121) of the detection assembly (120) of the detection device is located on a side of the bending tester (200) parallel to the folding axis of the folding screen (300), and at least another image sensor (121) of the detection assembly (120) of the detection device is located on a side of the bending tester (200) perpendicular to the folding axis.
6. The detection apparatus according to claim 5, wherein the detection device further comprises a shutdown drive mechanism (150);
the stop drive mechanism (150) includes a power source (151) and an operating arm (152);
the power source (151) is in communication connection with a controller (140) of the detection device, and the power source (151) is in driving connection with the operating arm (152);
the operating arm (152) is at least used for striking a stop bending switch (200a) of the bending tester (200).
7. The detection apparatus according to claim 6, wherein the operating arm (152) comprises an operating arm body (152a) and a flexible contact finger (152b), the flexible contact finger (152b) being connected to an operating end of the operating arm body (152 a).
8. The detection apparatus according to claim 7, wherein the power source (151) is any one of a hydraulic motor, a hydraulic pump, and an air pump, the operation arm main body (152a) is a pressure fluid transmission pipe having a control valve (152c), and the control valve (152c) is communicatively connected to the controller (140);
any one of the hydraulic motor, the hydraulic pump and the air pump is connected to one end of the pressure fluid transmission pipe, and the flexible contact finger (152b) of the operating arm main body (152a) is telescopically connected to the other end of the pressure fluid transmission pipe and points to a stop bending switch (200a) of the bending tester (200).
9. The detection apparatus according to claim 8, wherein the operating arm body (152a) further comprises a relief valve (152d) disposed on the pressure fluid transmission conduit, the relief valve (152d) communicatively connected to the controller (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020573262.8U CN211954623U (en) | 2020-04-16 | 2020-04-16 | Detection apparatus and equipment for folding screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020573262.8U CN211954623U (en) | 2020-04-16 | 2020-04-16 | Detection apparatus and equipment for folding screen |
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| CN211954623U true CN211954623U (en) | 2020-11-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624463A (en) * | 2021-08-13 | 2021-11-09 | 成都京东方光电科技有限公司 | Jig and method for testing optimal rotation track of folding screen |
| CN114264456A (en) * | 2021-12-28 | 2022-04-01 | 武汉华星光电半导体显示技术有限公司 | Clamping device |
-
2020
- 2020-04-16 CN CN202020573262.8U patent/CN211954623U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624463A (en) * | 2021-08-13 | 2021-11-09 | 成都京东方光电科技有限公司 | Jig and method for testing optimal rotation track of folding screen |
| CN113624463B (en) * | 2021-08-13 | 2023-11-24 | 成都京东方光电科技有限公司 | Jig and method for testing optimal rotating track of folding screen |
| CN114264456A (en) * | 2021-12-28 | 2022-04-01 | 武汉华星光电半导体显示技术有限公司 | Clamping device |
| CN114264456B (en) * | 2021-12-28 | 2023-10-31 | 武汉华星光电半导体显示技术有限公司 | clamping device |
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