CN112885273A - Bending test fixture - Google Patents
Bending test fixture Download PDFInfo
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- CN112885273A CN112885273A CN202110031687.5A CN202110031687A CN112885273A CN 112885273 A CN112885273 A CN 112885273A CN 202110031687 A CN202110031687 A CN 202110031687A CN 112885273 A CN112885273 A CN 112885273A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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Abstract
The invention provides a bending test fixture, belongs to the technical field of test fixtures, and can at least partially solve the problem that the bending performance of a flexible display panel is not accurately tested by the conventional bending test fixture. The invention relates to a bending test fixture, which is used for bending test of a flexible display panel to be detected, and comprises: a support structure; a drive structure; the first bearing plate is used for fixing the first end of the flexible display panel to be detected and is arranged on the supporting structure through the driving structure; the second bearing plate is used for fixing the second end of the flexible display panel to be detected, and the second bearing plate is installed on the supporting structure through the driving structure, wherein the driving structure can enable the first bearing plate to be turned over relative to the second bearing plate, so that the flexible display panel to be detected is bent.
Description
Technical Field
The invention belongs to the technical field of test jigs, and particularly relates to a bending test jig.
Background
With the increasing maturity of Organic Light-Emitting Diode (OLED) display technology, more and more consumers experience a great difference between OLED display and conventional Liquid Crystal Display (LCD), and the market for OLED display consumption is rapidly growing. Due to the self-luminous characteristic of the OLED, the OLED has the characteristics of short response time, high contrast, wide viewing angle, light color gamut, light and thin display panel, flexibility and the like. Particularly, the flexibility of the display panel forms a flexible display panel, thereby bringing about subversive concepts to consumers.
At present, the flexible display panel technology is not mature, and the development of the flexible display panel is restricted by a plurality of problems in the aspects of bending radius, reliability and product mass production, particularly the use of the flexibility of the flexible display panel is restricted by the bending reliability of the flexible display panel.
Therefore, the bending performance of the flexible display panel needs to be tested when the flexible display panel is manufactured. However, in the process of testing the conventional bending test fixture, due to the defects of the bending test fixture, additional tensile stress or shear stress may occur to the flexible display panel, thereby causing the problem of inaccurate detection of the bending performance of the flexible display panel.
Disclosure of Invention
The invention at least partially solves the problem that the bending performance of the flexible display panel is not accurately tested by the conventional bending test fixture, and provides the bending test fixture capable of accurately testing the bending performance of the flexible display panel.
The technical scheme adopted for solving the technical problem of the invention is a bending test fixture, which is used for bending test of a flexible display panel to be detected, and comprises the following components: a support structure; a drive structure; the first bearing plate is used for fixing the first end of the flexible display panel to be detected and is arranged on the supporting structure through the driving structure; the second bearing plate is used for fixing the second end of the flexible display panel to be detected, and the second bearing plate is installed on the supporting structure through the driving structure, wherein the driving structure can enable the first bearing plate to be turned over relative to the second bearing plate, so that the flexible display panel to be detected is bent.
It is further preferred that the support structure has two side plates disposed in parallel with respect to each other; the first bearing plate and the second bearing plate are positioned between the two side plates and are perpendicular to the side plates; the driving structure connects at least one edge of the first bearing plate with the side plate, the driving structure connects at least one edge of the second bearing plate with the side plate in a rotating manner, and a rotating shaft in the rotating connection is perpendicular to the side plate.
Further preferably, the driving structure includes: at least one first driving unit for connecting the first bearing plate with the side plate.
Further preferably, the first driving unit includes: the first cam is arranged on the inner surface of the side plate and can rotate by taking a first shaft as an axis, and the first shaft is connected with the side plate and is vertical to the side plate; the first fixing support is arranged on the inner surface of the side plate and is provided with a first mounting groove, and the first mounting groove is formed by two opposite first side walls, a second side wall connected with the first side walls and a first bottom wall; a first end of the first moving block is located in the first mounting groove, a second end of the first moving block extends out of the first mounting groove through an opening of the first mounting groove opposite to the second side wall, the second end of the first moving block is in contact with the first cam, and the first bearing plate is connected with the first moving block; the first spring is located between the first end of the first moving block and the second side wall of the first mounting groove, and the deformation direction of the first spring is parallel to the direction in which the first end of the first moving block points to the second end of the first moving block.
It is further preferable that the number of the first driving units is two, and the first driving units are used for connecting the first edge of the first loading plate with one of the side plates and connecting the second edge of the first loading plate with the other side plate, and the first edge of the first loading plate and the second edge of the first loading plate are oppositely disposed.
Further preferably, the driving structure further includes: and the at least one second driving unit is used for rotatably connecting the second bearing plate with the side plate.
Further preferably, the second driving unit includes: and the second fixing support is fixedly connected with the first shaft and is connected with the second bearing plate so that the second bearing plate can turn over by taking the first shaft as the shaft.
Further preferably, the second driving unit further includes: the second cam is arranged on the inner surface of the side plate, can rotate by taking the first shaft as a shaft, and is provided with a second mounting groove which is formed by two opposite third side walls, a fourth side wall connected with the third side walls and a second bottom wall; a first end of the second moving block is located in the second mounting groove, a second end of the second moving block extends out of the first mounting groove through an opening of the second mounting groove opposite to the fourth side wall, the second end of the second moving block is in contact with the second cam, and the second bearing plate is connected with the second moving block; and the second spring is positioned between the first end of the second moving block and the fourth side wall of the second mounting groove, and the deformation direction of the second spring is parallel to the direction in which the first end of the second moving block points to the second end of the first moving block.
It is further preferable that the number of the second driving units is two, and the second driving units are used for connecting the first edge of the second loading plate with one of the side plates and connecting the second edge of the second loading plate with the other side plate, and the first edge of the second loading plate and the second edge of the second loading plate are oppositely arranged.
Further preferably, a bending area of the flexible display panel to be detected after bending is a semicircular arc surface, and in the turning process of the flexible display panel to be detected, the movement tracks (X, Y) of the points on the specific edge of the flexible display panel to be detected and the second bearing plate are as follows:
wherein α represents a central angle of an actual bending portion of the flexible display panel to be detected, r represents a radius of the semicircular arc surface, and the specific edge of the second bearing plate is an edge of the second bearing plate closest to the rotating shaft.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a bending test fixture according to an embodiment of the invention;
fig. 2 is a schematic view of a local structure of a bending test fixture according to an embodiment of the invention;
FIG. 3 is a schematic view of a local structure of the bending test fixture shown in FIG. 2;
fig. 4 is a schematic view of a local structure of a bending test fixture according to an embodiment of the invention;
FIG. 5 is a schematic view of a local structure of the bending test fixture shown in FIG. 4;
fig. 6a to 6c are schematic structural diagrams illustrating a testing process of a bending test fixture according to an embodiment of the invention;
fig. 7 is a schematic view of a bending track of a flexible display panel to be tested in a testing process of a bending testing fixture according to an embodiment of the invention;
fig. 8 is a schematic view of a bending track of a flexible display panel to be tested in a testing process of a bending testing fixture according to an embodiment of the invention;
fig. 9 is a schematic view of a bending track of a flexible display panel to be tested in a testing process of a bending testing fixture according to an embodiment of the invention;
wherein the reference numerals are: 1. a support structure; 11. a side plate; 2. a first bearing plate; 3. a second carrier plate; 41. a first cam; 42. a first shaft; 43. a first fixed bracket; 431. a first mounting groove; 44. a first moving block; 45. a first spring; 51. a second cam; 53. a second fixed bracket; 531. a second mounting groove; 54. a second moving block; 55. a second spring; 90. a flexible display panel to be detected; 91. a first end of a flexible display panel to be detected; 92. a second end of the flexible display panel to be detected; 93. and (4) screws.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. Moreover, certain well-known elements may not be shown in the figures.
In the following description, numerous specific details of the invention, such as structure, materials, dimensions, processing techniques and techniques of components, are set forth in order to provide a more thorough understanding of the invention. However, as will be understood by those skilled in the art, the present invention may be practiced without these specific details.
Example 1:
as shown in fig. 1 to 9, the present embodiment provides a bending test fixture for performing a bending test on a flexible display panel 90 to be tested, the bending test fixture includes: support structure 1, drive structure, first loading board 2 and second loading board 3. The first bearing plate 2 is used for fixing the first end 91 of the flexible display panel to be detected, and the first bearing plate 2 is arranged on the supporting structure 1 through a driving structure; the second bearing plate 3 is used for fixing the second end 92 of the flexible display panel to be detected, and the second bearing plate 3 is installed on the supporting structure 1 through a driving structure, wherein the driving structure can enable the first bearing plate 2 to be relatively turned over relative to the second bearing plate 3, so that the flexible display panel 90 to be detected is bent.
The first bearing plate 2 and the second bearing plate 3 of the bending test fixture are disposed on the supporting structure 1 under the action of the driving structure, and the first bearing plate 2 and the second bearing plate 3 can be turned over relatively.
The first bearing plate 2 and the second bearing plate 3 are used for fixing the flexible display panel 90 to be detected, and when the first bearing plate 2 is turned over relative to the second bearing plate 3, the flexible display panel 90 to be detected can be driven to be bent or unfolded, so that bending test of the flexible display panel 90 to be detected is realized. Specifically, the part of the flexible display panel 90 to be detected, which is not fixed, is located between the first carrier plate 2 and the second carrier plate 3, and this part can be regarded as a bending region of the flexible display panel 90 to be detected.
In the bending test fixture of this embodiment, the driving structure drives the first bearing plate 2 and the second bearing plate 3 to relatively turn over, so that the flexible display panel 90 to be detected fixed on the first bearing plate 2 and the second bearing plate 3 can be bent or unfolded, and extra tensile stress or shear stress of the flexible display panel can be avoided, thereby accurately detecting the bending performance of the flexible display panel.
Preferably, as shown in fig. 1, the support structure 1 has two side plates 11 arranged in parallel; the first bearing plate 2 and the second bearing plate 3 are positioned between the two side plates 11, and the first bearing plate 2 and the second bearing plate 3 are both vertical to the side plates 11; the driving structure connects at least one edge of the first bearing plate 2 with the side plate 11, the driving structure rotatably connects at least one edge of the second bearing plate 3 with the side plate 11, and a rotating shaft rotatably connected is perpendicular to the side plate 11.
Wherein, that is to say first loading board 2 and second loading board 3 set up between two curb plates 11 of bearing structure 1, specifically, the internal surface of curb plate 11 is the relative surface of two curb plates 11, and drive structure is connected first loading board 2 with the internal surface of curb plate 11 like this, and drive structure is connected second loading board 3 with the internal surface rotation of curb plate 11.
Preferably, the driving structure includes: at least one first driving unit for connecting the first loading plate 2 with the side plate 11.
Specifically, as shown in fig. 2 and 3, the first driving unit includes: a first cam 41, a first fixed bracket 43, a first moving block 44, and a first spring 45. A first cam 41 disposed on an inner surface of the side plate 11, the first cam 41 being rotatable about a first shaft 42, the first shaft 42 being connected to and perpendicular to the side plate 11; a first fixing bracket 43 provided on an inner surface of the side plate 11, the first fixing bracket 43 having a first mounting groove 431, the first mounting groove 431 being formed of two opposite first side walls, a second side wall connected to the first side walls, and a first bottom wall; a first moving block 44, a first end of the first moving block 44 is located in the first mounting groove 431, a second end of the first moving block 44 extends out of the first mounting groove 431 through an opening of the first mounting groove 431 opposite to the second side wall, the second end of the first moving block 44 contacts with the first cam 41, and the first bearing plate 2 is connected with the first moving block 44; and the first spring 45 is located between the first end of the first moving block 44 and the second side wall of the first mounting groove 431, and the deformation direction of the first spring 45 is parallel to the direction in which the first end of the first moving block 44 points to the second end of the first moving block 44.
That is, the first cam 41 and the first spring 45 are respectively disposed at two ends of the first moving block 44, so that when the first cam 41 rotates about the first shaft 42, the first moving block 44 can reciprocate perpendicular to the first shaft 42 in the first mounting groove 431 under the action of the first cam 41 and the first spring 45; meanwhile, since the first bearing plate 2 is fixedly connected to the first moving block 44, the first moving block 44 can drive the first bearing plate 2 to move back and forth.
It should be noted that the first cam 41 and the first shaft 42 may be fixed by a screw 93 or other fixing members, and this is not limited in this regard.
When waiting to detect flexible display panel 90 and installing the in-process of carrying out the bending test on the test fixture of buckling, first drive unit can be according to waiting to detect the condition that flexible display panel 90 actually buckles so that first loading board 2 removes to the adaptation waits to detect the degree of buckling of flexible display panel 90, with the extra tensile stress or the shear stress of avoiding waiting to detect flexible display panel 90 appearance, thereby make the detection to flexible display panel's bending performance accurate.
Preferably, the number of the first driving units is two, for connecting the first edge of the first loading plate 2 with one side plate 11 and the second edge of the first loading plate 2 with the other side plate 11, the first edge of the first loading plate 2 and the second edge of the first loading plate 2 being disposed opposite to each other.
Wherein, that is to say that the first edge and the second edge of first loading board 2 are connected respectively on the internal surface of two different curb plates 11, make first loading board 2 more stable with being connected of bearing structure 1 like this to guarantee the stability of bending test fixture.
Preferably, the driving structure further comprises: at least one second driving unit for rotatably connecting the second loading plate 3 with the side plate 11.
Specifically, as shown in fig. 4 and 5, the second driving unit includes: the second fixing bracket 53 is fixedly connected to the first shaft 42 and connected to the second supporting plate 3, so that the second supporting plate 3 can be turned over around the first shaft 42.
Wherein, the second fixing bracket 53 may have a mounting hole for fixing the first shaft 42, and the second fixing bracket 53 is fixedly connected with the first shaft 42 through the mounting hole; a mounting table on which the second loading plate 3 is mounted is provided at one side of the mounting hole to couple the second loading plate 3 with the second fixing bracket 53.
Thus, when the first shaft 42 rotates, the second fixing bracket 53 rotates, and the second bearing plate 3 is driven by the second fixing bracket 53 to rotate. And because the first bearing plate 2 can not rotate around the first shaft 42, the first bearing plate 2 can be turned over relative to the second bearing plate 3, and the flexible display panel 90 to be detected arranged on the bending test fixture can be bent or unfolded.
It should be noted that the second fixing bracket 53 and the first shaft 42 may be fixed by a screw 93 or other fixing members, and this is not limited in this respect.
Preferably, the second driving unit further includes: a second cam 51, a second moving block 54 and a second spring 55. A second cam 51 provided on an inner surface of the side plate 11, the second cam 51 being rotatable about the first shaft 42, the second fixing bracket 53 having a second mounting groove 531, the second mounting groove 531 being formed by two opposite third side walls, a fourth side wall connected to the third side wall, and a second bottom wall; a second moving block 54, a first end of the second moving block 54 is located in the second mounting groove 531, a second end of the second moving block 54 extends out of the first mounting groove 431 through an opening of the second mounting groove 531 opposite to the fourth side wall, the second end of the second moving block 54 contacts with the second cam 51, and the second bearing plate 3 is connected with the second moving block 54; and a second spring 55 disposed between the first end of the second moving block 54 and the fourth side wall of the second mounting groove 531, wherein the second spring 55 is deformed in a direction parallel to the direction in which the first end of the second moving block 54 points to the second end of the first moving block 44.
That is, the second cam 51 and the second spring 55 are respectively disposed at both ends of the second moving block 54, so that when the second cam 51 rotates about the first shaft 42, the second moving block 54 can reciprocate perpendicular to the first shaft 42 in the second mounting groove 531 under the action of the second cam 51 and the second spring 55; meanwhile, since the second carrier plate 3 is fixedly connected to the second moving block 54, the second moving block 54 also drives the second carrier plate 3 to move back and forth.
When waiting to detect flexible display panel 90 and installing the in-process of carrying out the bending test on the test fixture of buckling, second drive unit can be according to waiting to detect the condition that flexible display panel 90 actually buckles so that second loading board 3 removes to the adaptation waits to detect the degree of buckling of flexible display panel 90, in order to avoid waiting to detect extra drawing stress or shear stress that flexible display panel 90 appears, thereby makes the detection to flexible display panel's bending performance accurate.
Preferably, the number of the second driving units is two, for connecting the first edge of the second loading plate 3 with one side plate 11 and the second edge of the second loading plate 3 with the other side plate 11, the first edge of the second loading plate 3 and the second edge of the second loading plate 3 being oppositely disposed.
Wherein, that is to say that the first edge and the second edge of second loading board 3 are connected respectively on the internal surface of two different curb plates 11, make second loading board 3 more stable with being connected of bearing structure 1 like this to guarantee the stability of bending test fixture.
In summary, as shown in fig. 6a to 6c, in the bending test fixture of this embodiment, the driving structure not only enables the second loading board 3 to move relative to the first loading board 2, but also enables the second loading board 3 and the first loading board 2 to make a reciprocating motion perpendicular to the first axis 42 during the bending test, so that the driving structure can move the first loading board 2 and/or the second loading board 3 according to the actual bending condition of the flexible display panel 90 to be detected, so as to adapt to the bending degree of the flexible display panel 90 to be detected, so as to avoid additional pull stress or shear stress occurring in the flexible display panel 90 to be detected, thereby enabling the detection of the bending performance of the flexible display panel to be accurate.
Preferably, as shown in fig. 7 to 9, a bending region of the flexible display panel 90 to be detected after bending is a semi-circular arc surface, and in the process of turning over the flexible display panel 90 to be detected, a motion trajectory (X, Y) of a point (e.g., a point D in fig. 7 to 9) on the specific edge of the flexible display panel to be detected and the second carrier plate 3 is:
wherein α represents the central angle of the actual bending portion of the flexible display panel 90 to be detected, r represents the radius of the semi-circular arc surface, and the specific edge of the second bearing plate 3 is the edge of the second bearing plate 3 closest to the rotation axis.
Specifically, as shown in fig. 7, the final state of bending the flexible display panel 90 to be detected is that two ends of the flexible display panel 90 to be detected are parallel to each other, and the region where the flexible display panel 90 to be detected is bent is a bending region. And the region where bending occurs during bending of the flexible display panel 90 to be detected is referred to as an actual bending portion.
In the process of detecting the bending of the flexible display panel 90 to be detected, the bending test fixture can enable points on the edge of the bending area of the flexible display panel 90 to be detected to conform to the motion track, so as to avoid extra tensile stress or shearing stress appearing on the flexible display panel 90 to be detected, and enable the detection of the bending performance of the flexible display panel to be accurate.
Specifically, the flexible display panel can be any product or component with a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a test fixture buckles for treating that it tests to buckle to detect flexible display panel, the test fixture of buckling includes:
a support structure;
a drive structure;
the first bearing plate is used for fixing the first end of the flexible display panel to be detected and is arranged on the supporting structure through the driving structure;
the second bearing plate is used for fixing the second end of the flexible display panel to be detected, and the second bearing plate is installed on the supporting structure through the driving structure, wherein the driving structure can enable the first bearing plate to be turned over relative to the second bearing plate, so that the flexible display panel to be detected is bent.
2. The bending test fixture according to claim 1, wherein the supporting structure has two side plates disposed in parallel;
the first bearing plate and the second bearing plate are positioned between the two side plates and are perpendicular to the side plates;
the driving structure connects at least one edge of the first bearing plate with the side plate, the driving structure connects at least one edge of the second bearing plate with the side plate in a rotating manner, and a rotating shaft in the rotating connection is perpendicular to the side plate.
3. The bending test fixture according to claim 2, wherein the driving structure comprises: at least one first driving unit for connecting the first bearing plate with the side plate.
4. The bending test fixture according to claim 3, wherein the first driving unit comprises:
the first cam is arranged on the inner surface of the side plate and can rotate by taking a first shaft as an axis, and the first shaft is connected with the side plate and is vertical to the side plate;
the first fixing bracket is arranged on the inner surface of the side plate and is provided with a first mounting groove, and the first mounting groove is formed by two opposite first side walls, a second side wall connected with the first side walls and a first bottom wall;
a first end of the first moving block is located in the first mounting groove, a second end of the first moving block extends out of the first mounting groove through an opening of the first mounting groove opposite to the second side wall, the second end of the first moving block is in contact with the first cam, and the first bearing plate is connected with the first moving block;
the first spring is located between the first end of the first moving block and the second side wall of the first mounting groove, and the deformation direction of the first spring is parallel to the direction in which the first end of the first moving block points to the second end of the first moving block.
5. The bending test fixture according to claim 3, wherein the number of the first driving units is two, and the first driving units are used for connecting the first edge of the first carrier plate with one of the side plates and connecting the second edge of the first carrier plate with the other side plate, and the first edge of the first carrier plate and the second edge of the first carrier plate are disposed opposite to each other.
6. The bending test fixture according to claim 4, wherein the driving structure further comprises: and the at least one second driving unit is used for rotatably connecting the second bearing plate with the side plate.
7. The bending test fixture according to claim 6, wherein the second driving unit comprises:
and the second fixing support is fixedly connected with the first shaft and is connected with the second bearing plate so that the second bearing plate can turn over by taking the first shaft as the shaft.
8. The bending test fixture according to claim 7, wherein the second driving unit further comprises:
the second cam is arranged on the inner surface of the side plate, can rotate by taking the first shaft as a shaft, and is provided with a second mounting groove which is formed by two opposite third side walls, a fourth side wall connected with the third side walls and a second bottom wall;
a first end of the second moving block is located in the second mounting groove, a second end of the second moving block extends out of the first mounting groove through an opening of the second mounting groove opposite to the fourth side wall, the second end of the second moving block is in contact with the second cam, and the second bearing plate is connected with the second moving block;
and the second spring is positioned between the first end of the second moving block and the fourth side wall of the second mounting groove, and the deformation direction of the second spring is parallel to the direction in which the first end of the second moving block points to the second end of the first moving block.
9. The bending test fixture according to claim 6, wherein the number of the second driving units is two, and the second driving units are used for connecting the first edge of the second carrier plate with one of the side plates and connecting the second edge of the second carrier plate with the other side plate, and the first edge of the second carrier plate and the second edge of the second carrier plate are disposed opposite to each other.
10. The bending test fixture according to claim 2, wherein the bending area of the flexible display panel to be tested after bending is a semi-circular arc surface, and in the turning process of the flexible display panel to be tested, the movement locus (X, Y) of the point on the specific edge of the flexible display panel to be tested and the second carrier plate is as follows:
wherein α represents a central angle of an actual bending portion of the flexible display panel to be detected, r represents a radius of the semicircular arc surface, and the specific edge of the second bearing plate is an edge of the second bearing plate closest to the rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110031687.5A CN112885273B (en) | 2021-01-11 | 2021-01-11 | Bending test fixture |
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|---|---|---|---|
| CN202110031687.5A CN112885273B (en) | 2021-01-11 | 2021-01-11 | Bending test fixture |
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| CN112885273B CN112885273B (en) | 2023-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114067688A (en) * | 2021-11-18 | 2022-02-18 | 合肥维信诺科技有限公司 | Screen body folding jig and screen body folding method |
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| CN114067688A (en) * | 2021-11-18 | 2022-02-18 | 合肥维信诺科技有限公司 | Screen body folding jig and screen body folding method |
| CN114067688B (en) * | 2021-11-18 | 2024-04-23 | 合肥维信诺科技有限公司 | Screen body turning jig and screen body turning method |
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| CN112885273B (en) | 2023-03-10 |
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