CN108957161B - Reliability detection device of flexible screen and use method thereof - Google Patents
Reliability detection device of flexible screen and use method thereof Download PDFInfo
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- CN108957161B CN108957161B CN201710374670.3A CN201710374670A CN108957161B CN 108957161 B CN108957161 B CN 108957161B CN 201710374670 A CN201710374670 A CN 201710374670A CN 108957161 B CN108957161 B CN 108957161B
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Abstract
The invention provides a reliability detection device of a flexible screen and a using method thereof, the reliability detection device of the flexible screen comprises a flexible clamp, a fixing component and a magnetic field generator component, wherein the flexible clamp is used for clamping the opposite surface of the flexible screen and responds to the action of a magnetic field force to deform, the fixing component is used for positioning the flexible clamp to limit the position of the flexible screen, and the magnetic field generator component is used for generating a magnetic field. The device provided by the invention can control the direction and the strength of the magnetic field generated by the magnetic field generator component due to the force application based on the magnetic field generated by the magnetic field generator component, so that the reliability test in the multi-dimensional direction is performed on the flexible screen, the whole process is automatically controlled to replace manual operation, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of displays, in particular to a reliability detection device of a flexible screen and a using method thereof.
Background
Compared with the traditional screen, the flexible screen has obvious advantages. The flexible screen is lighter and thinner in size, and the power consumption is lower than that of the traditional display screen. The conventional display screen thus contributes to the endurance of the apparatus. Meanwhile, based on the characteristics of flexibility and good flexibility, the durability of the flexible display screen is greatly higher than that of the traditional display screen, so that the flexible display screen can reduce the probability of accidental damage to equipment. The successful mass production of the flexible screen is not only greatly better than the manufacturing of a new generation of high-end smart phone, but also has profound influence on the application of wearable equipment due to the characteristics of low power consumption and flexibility, and the flexible screen is widely applied along with the continuous penetration of a personal intelligent terminal in the future.
However, the flexible reliability test of the flexible screen at present is mainly based on manual repeated test, and the efficiency is low and can only be limited to one-dimensional direction; there is no mature method for testing the reliability of the flexible screen in the multi-dimensional direction, which is not beneficial to the verification of the characteristic that the flexible screen is bendable in the multi-dimensional direction.
In view of the above problems, those skilled in the art have been developing a reliability detection device for a flexible screen to implement a reliability test in a multi-dimensional direction to meet the performance test requirement.
Disclosure of Invention
The invention aims to provide a reliability detection device of a flexible screen and a using method thereof, so as to meet the requirement of reliability test of the flexible screen in a multi-dimensional direction.
In order to solve the above technical problem, the present invention provides a reliability detection device for a flexible screen, including:
a magnetic field generator assembly for generating a magnetic field;
the flexible clamp is used for clamping the surface of the flexible screen, which is arranged oppositely, and responds to the action of a magnetic field force to deform; and
a fixing assembly for positioning the flexible clamp to define where the flexible screen is located.
Optionally, in the reliability detection device of the flexible screen, the magnetic field generator assembly includes two rows of sub magnetic field generator assemblies disposed oppositely, and each row of sub magnetic field generator assemblies includes at least one sub magnetic field generator.
Optionally, in the reliability detection apparatus for a flexible screen, the flexible fixture includes: the magnetic field force receiver comprises two flexible carrier plates and at least one magnetic field force receiver embedded in the flexible carrier plates; each flexible carrier plate is used for adhering to one surface of the flexible screen.
Optionally, in the reliability detection device for a flexible screen, the number of magnetic field force receptors is multiple, and the multiple magnetic field force receptors are embedded in the flexible carrier plate uniformly or non-uniformly.
Optionally, in the reliability detection device for a flexible screen, the magnetic field force receptor is an electrified coil.
Optionally, in the reliability detection device of the flexible screen, when the magnetic field force receptor is an electrified coil, the flexible fixture further includes a magnetic field direction controller, and the magnetic field direction controller is electrically connected to the electrified coil.
Optionally, in the reliability detection device for the flexible screen, the flexible carrier is made of a polymer material with a stretch ratio of greater than or equal to 15%.
Optionally, in the reliability detection apparatus for a flexible screen, the flexible clamp has a first end and a second end opposite to the first end; the fixing assembly includes: the first fixing part is used for fixing the first end of the flexible clamp, and the second fixing part is used for fixing the second end of the flexible clamp.
Optionally, in the reliability detection device for a flexible screen, the first fixing member is a fixing shaft.
Optionally, in the reliability detection device for a flexible screen, the second fixing member includes a fixed shaft and a fixed shaft suspended from the fixed shaft, and the fixed shaft is fixedly connected to the second end of the flexible fixture.
Correspondingly, the invention also provides a use method of the reliability detection device of the flexible screen, which comprises the following steps:
clamping the flexible screen by using a flexible clamp;
placing the flexible clamp clamped with the flexible screen in a magnetic field generated by the magnetic field generator component;
positioning the flexible clamp with a fixture assembly to define where the flexible screen is located.
Optionally, in the using method of the reliability detecting device for a flexible screen, when the number of the magnetic field force receptors is multiple and the magnetic field force receptors are uniformly embedded in the flexible carrier plate, the reliability of different positions of the flexible screen is detected by changing the strength and direction of the magnetic field generated by the magnetic field generator assembly.
Optionally, in the using method of the reliability detecting device for the flexible screen, when the strength and the direction of the magnetic field generated by the magnetic field generator component are constant, the reliability of different positions of the flexible screen is detected by selecting the flexible carrier plates with magnetic field force receptors embedded in different distribution positions.
In the reliability detection device of the flexible screen and the use method thereof provided by the invention, the reliability detection device of the flexible screen comprises a flexible clamp, a fixing component and a magnetic field generator component, wherein the flexible clamp is used for clamping the opposite surface of the flexible screen and responds to the action of a magnetic field force to deform, the fixing component is used for positioning the flexible clamp to limit the position of the flexible screen, and the magnetic field generator component is used for generating a magnetic field. The device provided by the invention can control the direction and the strength of the magnetic field generated by the magnetic field generator component due to the force application based on the magnetic field generated by the magnetic field generator component, so that the reliability test in the multi-dimensional direction is performed on the flexible screen, the whole process is automatically controlled to replace manual operation, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a reliability detection apparatus for a flexible screen according to an embodiment of the present invention;
FIG. 2 is a top view of a flexible fixture in accordance with an embodiment of the present invention;
FIG. 3 is another top view of a flexible fixture in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a flexible fixture according to another embodiment of the present invention.
FIG. 5 is a schematic diagram of a magnetic field generator assembly generating magnetic fields of different strengths in the same direction;
fig. 6 is a schematic diagram of a magnetic field generator assembly generating magnetic fields of different strengths in different directions.
In the figure:
a flexible clamp-1; a flexible carrier plate-10; magnetic force receptor-11; an energizing coil-11 a; a magnetic field direction controller-12;
a fixed component-2; a first fixing member-20; a second fixing member-21; a fixed shaft-210; a fixed shaft-211;
magnetic field generator assembly-3; sub-magnetic field generator assembly-30; sub-magnetic field generator-300;
a flexible screen-4.
Detailed Description
The reliability detection device for the flexible screen according to the present invention is further described in detail with reference to the accompanying drawings and the specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 1, which is a schematic structural diagram of a reliability detection device of a flexible screen according to an embodiment of the present invention, as shown in fig. 1, the reliability detection device of the flexible screen includes: the flexible clamp comprises a flexible clamp 1, a fixing component 2 and a magnetic field generator component 3, wherein the magnetic field generator component 3 is used for generating a magnetic field; the flexible clamp 1 is used for clamping the surface of the flexible screen 4 which is arranged oppositely and responding to the action of a magnetic field force to deform; the fixing assembly 2 is used for positioning the flexible clamp 1 to define the position of the flexible screen 4.
Further, with reference to fig. 1, 2 and 3, the flexible clamp 1 has a first end and a second end opposite to the first end, and the flexible clamp 1 includes: two flexible carriers 10 and at least one magnetic force receptor 11 embedded in each flexible carrier 10; each flexible carrier plate 10 is used for adhering to one surface of the flexible screen 4; the fixing assembly 2 comprises: a first fixing part 20 and a second fixing part 21, wherein the first fixing part 20 is used for fixing a first end of the flexible clamp 1, and the second fixing part is used for fixing a second end of the flexible clamp 1; the magnetic field generator assembly 3 is used to generate a magnetic field. The reliability detection device of the flexible screen is designed based on the magnetic field, and the adjustment of the force and the direction acting on the flexible clamp can be realized by controlling the strength and the direction of the magnetic field, so that the reliability test in the multi-dimensional direction is realized, the reliability detection device is not limited to the one-dimensional direction, and the actual requirement is met.
The first fixing part is selected as a fixing shaft for fixing the first end of the flexible clamp 1 (namely, the first end of the flexible clamp 1 is positioned so that the flexible screen is in a bending state for reliability test). In order to reduce the influence of the shearing force generated by the fixing assembly 2 on fixing the flexible fixture 1 on the performance of the flexible screen, it is preferable that the second fixing member 21 is specifically designed to include: a fixed shaft 210 and a fixed shaft 211 suspended on the fixed shaft 210, wherein the fixed shaft 211 is fixedly connected with the second end of the flexible clamp 1. Because the fixed shaft 211 of the second fixing member is suspended on the fixed shaft 210, when the flexible fixture 1 is deformed by an acting force, the flexible fixture 1 can be bent in a certain direction, and the fixed shaft 211 fixedly connected with the second end of the flexible fixture 1 can be bent along with the acting force, so that the influence of a shearing force generated when the two ends of the flexible fixture 1 are fixedly positioned on a flexible screen clamped by the flexible fixture 1 is effectively avoided.
Specifically, the magnetic field generator assembly 3 includes: two rows of the sub-magnetic field generator assemblies 30 which are oppositely arranged, each row of the sub-magnetic field generator assemblies 30 comprises at least one sub-magnetic field generator 300, when the number of the sub-magnetic field generators 300 is multiple, the plurality of sub-magnetic field generators are distributed at intervals along the row direction (please refer to fig. 1), the plurality of sub-magnetic field generators can also be continuously distributed along the row direction, the sub-magnetic field generators 300 can control the direction of the generated magnetic field and the intensity of the magnetic field, namely, the magnetic field generator assembly 3 can generate the magnetic field of multiple directions and the magnetic field of multiple intensities. Referring to fig. 5 and 6, the length of the dotted line in fig. 5 and 6 represents the strength of the magnetic field E, and the longer the dotted line, the stronger the magnetic field E; the arrow direction characterizes the direction of the magnetic field E. As shown in fig. 5, the directions of the magnetic fields E generated by the two rows of sub-magnetic field generator assemblies 30 arranged oppositely in the magnetic field generator assembly 3 are the same, and the intensities of the magnetic fields are distributed in a gradient manner. As shown in fig. 6, the directions of the magnetic fields E generated by the two rows of oppositely arranged sub-magnetic field generator assemblies 30 in the magnetic field generator assembly 3 are not the same, and the intensities of the magnetic fields E are different.
In order to meet the requirement of the flexible screen for reliability test in multi-dimensional directions, referring to fig. 2, when designing the flexible carrier 10 in the flexible fixture 1, a plurality of magnetic field force receptors 11 can be uniformly embedded in the flexible carrier 10. When a plurality of magnetic field force receptors 11 are uniformly embedded, the magnetic field force receptors 11 at different positions are subjected to magnetic field forces with different sizes and directions by controlling the strength of a magnetic field generated by the magnetic field generator component 3 and the direction of the magnetic field, so that the flexible screen is subjected to acting forces with different directions and sizes in a multi-dimensional direction.
In addition, referring to fig. 3, a plurality of magnetic field force receptors 11 may be non-uniformly embedded in the flexible carrier 10. When a plurality of magnetic field force receptors 11 are non-uniformly embedded and the strength and direction of the magnetic field generated by the magnetic field generator component 3 are constant, the magnetic field force receptors 11 at different positions are subjected to magnetic field forces in different sizes and directions by adjusting the distribution density of the magnetic field force receptors 11 in the flexible carrier plate 10, and then the flexible screen is subjected to acting forces in different directions and different sizes in a multi-dimensional direction.
The magnetic field force receptor 11 is made of a ferromagnetic material, such as one or more of iron, cobalt, nickel, and alloys or magnetic oxides thereof. In order to meet the requirement that the position of the magnetic field force receptor 11 embedded in the flexible carrier 10 is deformed (e.g. bent) when the magnetic field force receptor 11 in the flexible carrier 10 is subjected to the action of the magnetic field force, the material of the flexible carrier 10 is selected from a polymer material with a tensile rate of greater than or equal to 15%, preferably PET, PVC or PE.
In another embodiment of the present invention, referring to fig. 4, the magnetic field force receptor 11 is an electrified coil 11a, and in order to control the direction of the magnetic field generated by the electrified coil 11a, the flexible fixture 1 further includes a magnetic field direction controller 12, and the magnetic field direction controller 12 is electrically connected to the electrified coil 11 a.
Correspondingly, the invention further provides a using method of the reliability detection device of the flexible screen. The method for using the reliability detection device of the flexible screen according to the present embodiment is described in detail below with reference to fig. 1.
First, step S1 is performed to clamp the flexible screen with the flexible clamp 1.
Next, step S2 is executed, the flexible fixture 1 holding the flexible screen is placed in the magnetic field generated by the magnetic field generator component 3, and preferably, the direction of the magnetic field is perpendicular to the surface of the flexible screen; because the flexible screen is attached to the flexible carrier plate 10 of the flexible clamp 1, when the receptor of the flexible clamp 1 is under the action of magnetic field force, the position of the magnetic field force receptor 11 embedded in the flexible carrier plate 10 can deform, and then the flexible screen corresponding to the position is driven to deform.
Next, step S3 is executed, positioning the flexible clamp by using a fixing assembly to define the position of the flexible screen; specifically, a first end of the flexible clamp 1 is fixed by a first fixing member 20, and a second end of the flexible clamp 1 is fixed by a second fixing member 21.
Furthermore, when the number of the magnetic field force receptors is multiple and the magnetic field force receptors are uniformly embedded in the flexible carrier plate, the reliability of different positions of the flexible screen is detected by changing the strength and the direction of a magnetic field generated by the magnetic field generator component; when the strength and the direction of a magnetic field generated by the magnetic field generator component are constant, the reliability of different positions of the flexible screen is detected by selecting the flexible carrier plate in which the magnetic field force receptor is embedded at different distribution positions.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the method disclosed by the embodiment, the description is relatively simple because the method corresponds to the structure disclosed by the embodiment, and the relevant points can be referred to the structural part for description.
In summary, in the reliability detection device for a flexible screen and the use method thereof provided by the present invention, the reliability detection device for a flexible screen includes a flexible clamp, a fixing component and a magnetic field generator component, the flexible clamp is used for clamping the opposite surface of the flexible screen and deforms in response to the action of a magnetic field force, the fixing component is used for positioning the flexible clamp to limit the position of the flexible screen, and the magnetic field generator component is used for generating a magnetic field. The device provided by the invention can control the direction and the strength of the magnetic field generated by the magnetic field generator component due to the force application based on the magnetic field generated by the magnetic field generator component, so that the reliability test in the multi-dimensional direction is performed on the flexible screen, the whole process is automatically controlled to replace manual operation, and the detection efficiency is improved.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (9)
1. A reliability detection device of a flexible screen is characterized by comprising:
a magnetic field generator assembly for generating a magnetic field;
the flexible clamp is used for clamping the surface of the flexible screen, which is arranged oppositely, and responds to the action of a magnetic field force to deform; the flexible clamp includes: the flexible screen comprises two flexible carrier plates and at least one magnetic field force receptor embedded in the flexible carrier plates, wherein each flexible carrier plate is used for being attached to one surface of the flexible screen; and
a securing assembly for positioning the flexible clamp.
2. The flexible screen reliability detection device of claim 1, wherein the magnetic field generator assembly comprises two rows of oppositely disposed sub-magnetic field generator assemblies, each row of sub-magnetic field generator assemblies comprising at least one sub-magnetic field generator.
3. The reliability testing device of the flexible screen as claimed in claim 1, wherein the number of the magnetic force acceptors is plural, and the plural magnetic force acceptors are embedded in the flexible carrier plate uniformly or non-uniformly.
4. The apparatus for testing reliability of a flexible screen of claim 3, wherein the flexible fixture further comprises a magnetic field direction controller, and when the magnetic field force receptor is an electrified coil, the magnetic field direction controller is electrically connected to the electrified coil.
5. The reliability detection device of the flexible screen as claimed in claim 1, wherein the flexible carrier is made of a polymer material with a tensile rate of 15% or more.
6. The flexible screen reliability detection apparatus of claim 1, wherein the flexible clamp has a first end and a second end opposite the first end; the fixing assembly includes: the first fixing part is used for fixing the first end of the flexible clamp, and the second fixing part is used for fixing the second end of the flexible clamp.
7. The use method of the reliability detection device of the flexible screen according to any one of claims 1 to 6, characterized by comprising the following steps:
clamping the flexible screen by using a flexible clamp;
placing a flexible fixture with a flexible screen in a magnetic field generated by a magnetic field generator assembly, the flexible fixture comprising: the flexible screen comprises two flexible carrier plates and at least one magnetic field force receptor embedded in the flexible carrier plates, wherein each flexible carrier plate is attached to one surface of the flexible screen;
positioning the flexible clamp with a fixture assembly to define where the flexible screen is located.
8. The method for using the device for testing the reliability of the flexible screen according to claim 7, wherein when the number of the magnetic field force receptors is plural and the plural magnetic field force receptors are uniformly embedded in the flexible carrier plate, the reliability test is performed on different positions of the flexible screen by changing the strength and direction of the magnetic field generated by the magnetic field generator assembly.
9. The use method of the device for detecting the reliability of the flexible screen as claimed in claim 7, wherein when the strength and direction of the magnetic field generated by the magnetic field generator assembly are constant, the reliability of different positions of the flexible screen is detected by selecting the flexible carrier plate with magnetic field force receptors embedded at different distributed positions.
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| CN201710374670.3A CN108957161B (en) | 2017-05-24 | 2017-05-24 | Reliability detection device of flexible screen and use method thereof |
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| CN108957161B true CN108957161B (en) | 2020-09-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112630049A (en) * | 2020-11-30 | 2021-04-09 | 广州国显科技有限公司 | Bending test fixture and bending test method for flexible display panel |
| CN114038782A (en) * | 2020-12-31 | 2022-02-11 | 广东聚华印刷显示技术有限公司 | Flexible display device stripping device and stripping method thereof |
| CN114783298B (en) * | 2022-05-25 | 2023-08-01 | 苏州华星光电技术有限公司 | Leveling device and leveling method for flexible screen |
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