CN109637366B - Jig and bending method of display module - Google Patents
Jig and bending method of display module Download PDFInfo
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- CN109637366B CN109637366B CN201811622668.4A CN201811622668A CN109637366B CN 109637366 B CN109637366 B CN 109637366B CN 201811622668 A CN201811622668 A CN 201811622668A CN 109637366 B CN109637366 B CN 109637366B
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- tension
- substructure
- circuit board
- tensile
- flexible circuit
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
Abstract
The embodiment of the invention provides a jig and a bending method of a display module, wherein the jig comprises a tension structure, a first tension substructure and a second tension substructure, a first end of the tension structure is connected with a flexible circuit board, a second end of the tension structure is connected with the first tension substructure, and the second tension substructure applies tension to the tension structure through acting force generated between the second tension substructure and the first tension substructure to finish bending operation of the flexible circuit board.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a jig and a bending method of a display module.
[ background of the invention ]
Along with the development of display technology, the application of flexible display module is more and more extensive. The Flexible display module comprises a Flexible display panel and a Flexible Circuit Board (FPC for short) connected with the Flexible display panel, the Flexible display panel comprises a step bending area, a plurality of wires are arranged in the step bending area, and the Flexible Circuit Board is electrically connected with the wires.
At present, the step bending region is usually bent to bend the flexible circuit board to the non-light emitting side of the flexible display panel, so as to achieve the effect of a narrow frame.
In the prior art, when bending a step bending area, a point on a flexible circuit board is grabbed by equipment to adjust the position, so that the stress distribution of the step bending area is uneven, and the wire is broken (crack) easily.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a jig and a bending method for a display module, in which a tensile structure is applied with a tensile force through a first tensile sub-structure and a second tensile sub-structure, so that each position of a step bending region of a display panel can be uniformly stressed, and the uniformity of stress distribution of the step bending region is improved, thereby avoiding the problem of breakage of a trace in the step bending region.
On one hand, the embodiment of the invention provides a jig for bending a display module, wherein the display module comprises a display panel and a flexible circuit board connected with the display panel;
the jig is used for bending the flexible circuit board to the non-light-emitting side of the display panel;
the jig comprises a tension structure, a first tension substructure and a second tension substructure, wherein the first tension substructure and the second tension substructure are arranged oppositely, a first end of the tension structure is connected with the flexible circuit board, and a second end, opposite to the first end, of the tension structure is connected with the first tension substructure;
the second tension substructure is used for applying tension to the tension structure through acting force generated between the second tension substructure and the first tension substructure when the flexible circuit board is bent so as to control bending parameters of the flexible circuit board.
Optionally, the first tensile sub-structure extends along a first direction, and the second tensile sub-structure extends along the first direction, where the first direction is parallel to an extending direction of an edge of the flexible circuit board on a side close to the first tensile sub-structure.
Optionally, a width of the first tensile substructure along the first direction is greater than a width of the tensile structure along the first direction; the width of the second tensile substructure along the first direction is greater than or equal to the width of the first tensile substructure along the first direction.
Optionally, the center point of the first tensile substructure is located on the central axis of the tensile structure.
Optionally, the material of the first tensile substructure comprises a ferromagnetic metal, and the second tensile substructure comprises a magnet; alternatively, the first and second electrodes may be,
the first tension substructure comprises a magnet and the material of the second tension substructure comprises a ferromagnetic material;
the first tension substructure is clamped or attached to the second end of the tension structure.
Optionally, the ferromagnetic material comprises a metal or metal alloy having ferromagnetic properties.
Optionally, the display module further includes an edge sealing adhesive, the edge sealing adhesive covers the surface of the flexible circuit board, and the first end of the tension structure is attached to the surface of the flexible circuit board through the edge sealing adhesive.
Optionally, the tensile structure is a polymer film.
Optionally, the display panel is a flexible display panel, the display panel includes a display area and a step bending area, a plurality of wires are disposed in the step bending area, and the flexible circuit board is electrically connected to the wires;
the jig is used for bending the step bending area so as to bend the flexible circuit board to the non-light-emitting side of the display panel.
On the other hand, the embodiment of the invention provides a bending method of a display module, which is realized based on a jig, wherein the jig comprises a tension structure, a first tension substructure and a second tension substructure, the first tension substructure and the second tension substructure are oppositely arranged, and the jig is used for bending the flexible circuit board to the non-light-emitting side of the display panel; the method comprises the following steps:
providing a display module, wherein the display module comprises a display panel and a flexible circuit board connected with the display module;
connecting a first end of a tension structure with the flexible circuit board;
connecting a second end of a tensile structure opposite the first end with the first tensile substructure;
when the flexible circuit board is bent, controlling an acting force generated between the first tension substructure and the second tension substructure, and applying a tension to the tension structure through the acting force to control the bending parameters of the flexible circuit board;
and after the flexible circuit board is bent to the non-light-emitting side of the display panel, controlling the tension structure to be separated from the flexible circuit board.
The jig comprises a tensile structure, a first tension substructure and a second tension substructure, wherein the first end of the tensile structure is connected with the flexible circuit board, the second end of the tensile structure is connected with the first tension substructure, the second tension substructure applies tension to the tensile structure through acting force generated between the second tension substructure and the first tension substructure, so as to complete the bending operation of the flexible circuit board, the embodiment of the invention does not need to directly grab the flexible circuit board, but applies a tensile force to the tensile structure through the first tensile substructure and the second tensile substructure, therefore, all positions of the step bending area of the display panel can be uniformly stressed, the uniformity of stress distribution of the step bending area is improved, and the problem that wires in the step bending area are broken is solved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a jig according to an embodiment of the present invention;
FIG. 2 is a schematic view of a display module in accordance with an embodiment of the present invention;
FIG. 3 is a schematic plan view of the display module shown in FIG. 2;
FIG. 4 is a schematic diagram of the display module shown in FIG. 2;
FIG. 5 is a view taken along line A of FIG. 4;
FIG. 6 is a schematic view of the jig shown in FIG. 1;
fig. 7 is a flowchart of a bending method of a display module according to an embodiment of the invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the description herein, it is to be understood that the terms "substantially", "approximately", "about", "substantially", and the like, as used in the claims and the examples herein, are intended to be generally accepted as not being exact values, but rather within reasonable process operating ranges or tolerances.
It should be understood that although the terms first, second, third, etc. may be used to describe the tension sub-structures in embodiments of the present invention, these tension sub-structures should not be limited to these terms. These terms are only used to distinguish the puller structures from each other. For example, a first tensile substructure may also be referred to as a second tensile substructure, and similarly, a second tensile substructure may also be referred to as a first tensile substructure without departing from the scope of embodiments of the present invention.
As shown in fig. 1 to 7, fig. 1 is a schematic structural diagram of a jig according to an embodiment of the present invention, fig. 2 is a schematic diagram of a display module according to an embodiment of the present invention, fig. 3 is a schematic plan view of the display module shown in fig. 2, fig. 4 is a schematic bending diagram of the display module shown in fig. 2, fig. 5 is a view taken from direction a in fig. 4, fig. 6 is an application diagram of the jig shown in fig. 1, and fig. 7 is a flowchart of a bending method of the display module according to an embodiment of the present invention. The embodiment of the invention provides a jig and a bending method of a display module, wherein tension is applied to a tension structure through a first tension substructure and a second tension substructure, so that each position of a step bending area of a display panel can be uniformly stressed, the uniformity of stress distribution of the step bending area is improved, and the problem that routing in the step bending area is broken is solved.
In the related art, when bending the step bending region, a point on the flexible circuit board is grasped by the apparatus for position adjustment. On one hand, the different shapes of the flexible circuit boards of different types cause difficulty in grabbing equipment, and on the other hand, the stress distribution of the step bending area is easily uneven due to the fact that the stress position on the flexible circuit board is only one point, so that the wiring is broken. To this end, the embodiment of the present invention provides a fixture 1, as shown in fig. 1 to 6, the fixture 1 is used for bending a display module 2, wherein the display module 2 includes a display panel 21 and a flexible circuit board 22 connected to the display panel 21, and the fixture 1 is used for bending the flexible circuit board 22 to a non-light emitting side of the display panel 21.
As shown in fig. 2 and 3, the display panel 21 is a flexible display panel, for example, an Organic Light-Emitting Diode (OLED) display panel. The display panel 21 includes a display region 211 and a step bending region 212. A light emitting unit (not shown) is disposed in the display region 211, and the light emitting unit can be disposed on the light emitting side of the display region 211; the step bending region 212 is disposed with a plurality of traces 24, and the flexible circuit board 22 is electrically connected to the traces 24, so that the flexible circuit board 22 can provide signals to the display region 211 through the traces 24 to drive the light emitting units to emit light. The trace 24 is a metal trace. As shown in fig. 4, the fixture 1 may bend the step bending region 212 to bend the flexible circuit board 22 to the non-light emitting side of the display panel 21.
As shown in fig. 2, the display module 2 further includes an edge sealing adhesive 23, the edge sealing adhesive 23 is located in the step bending region 212, and the edge sealing adhesive 23 covers the surface of the flexible circuit board 22. The edge sealing glue 23 can be used to protect the traces 24 in the step bending region 212.
As shown in fig. 2, the display module 2 further includes an upper protection film 25, and the upper protection film 25 is located on the light emitting side of the display panel 21. The upper protective film 25 serves to protect the light emitting side of the display panel 21.
As shown in fig. 2, the display module 2 further includes a bottom film 26, and the bottom film 26 is disposed on the non-emitting side of the display panel 21. The bottom film 26 protects the non-light emitting side of the display panel 21. An open region 261 is provided in the bottom film 26.
As shown in fig. 4, in order to facilitate bending of the step bending region 212, a prosthesis 27 may be provided on the non-light emitting side of the display panel 21, the prosthesis 27 including a support portion 271 and an arc portion 272 connected to the support portion 271. The supporting portion 271 is fixed to the non-light emitting side of the display panel 21. Specifically, the foam 28 is disposed on the bottom film 26 of the display panel 21, and the supporting portion 271 is adhered to the foam 28 through the adhesive layer 29, wherein the adhesive layer 29 may be a double-sided tape. The arc-shaped portion 272 is used for supporting the opening region 261 when the jig 1 bends the step bending region 212 so as to bend the step bending region 212.
In the embodiment of the present invention, as shown in fig. 1 to 6, the jig 1 includes a tension structure 11, and a first tension substructure 12 and a second tension substructure 13 disposed opposite to each other. The second tension substructure 13 is used for applying tension to the tension structure 11 by the acting force generated between the second tension substructure and the first tension substructure 12 when the flexible circuit board 22 is subjected to bending operation, so as to control the bending parameters of the flexible circuit board 22.
The first end of the tension structure 11 is connected to the flexible circuit board 22, and specifically, the first end of the tension structure 11 may be attached to the surface of the flexible circuit board 22 through an edge sealing adhesive 23, so as to connect the first end of the tension structure 11 to the flexible circuit board 22. A second end of the tension structure 11 opposite to the first end is connected to the first tension substructure 12, and specifically, the first tension substructure 12 is clamped or attached to the second end of the tension structure 11, so as to connect the second end of the tension structure 11 to the first tension substructure 12.
In the embodiment of the present invention, as shown in fig. 1, the first tensile sub-structure 12 is extended along a first direction B1-B2, and the second tensile sub-structure 13 is extended along a first direction B1-B2, wherein the first direction B1-B2 is parallel to the extending direction of the edge of the flexible circuit board 22 near the side of the first tensile sub-structure 12. The first tension substructure 12 and the second tension substructure 13 are both arranged along the extending direction of one side edge of the flexible circuit board, so that the uniformity of tension applied to the tension structure 11 is improved, and the uniformity of stress of the step bending area 212 is improved.
In the embodiment of the present invention, as shown in fig. 1, the width k1 of the first tensile sub-structure 12 in the first direction is greater than the width k2 of the tensile structure 11 in the first direction, and the width k3 of the second tensile sub-structure 13 in the first direction is greater than or equal to the width k1 of the first tensile sub-structure 12 in the first direction, so that the uniformity of the tensile force applied to the tensile structure 11 is further improved, and the uniformity of the force applied to the step bending region 212 is further improved.
In the embodiment of the present invention, as shown in fig. 5, the central point C of the first tensile sub-structure 12 is located on the central axis D of the tensile structure 11, so as to further ensure that the first tensile sub-structure 12 can apply a uniform tensile force on the tensile structure 11, and further ensure the uniformity of the stress of the step bending region 212.
In the embodiment of the present invention, the material of the first puller structure 12 includes a ferromagnetic material, and the second puller structure 13 includes a magnet; alternatively, the first tension substructure 12 comprises a magnet and the material of the second tension substructure 13 comprises a ferromagnetic material. Wherein the ferromagnetic material includes a metal or metal alloy having ferromagnetism, for example, iron or an iron alloy; the magnet may be an electromagnet, for example a solenoid. Therefore, the acting force between the first tension substructure 12 and the second tension substructure 13 is magnetic force, which facilitates the control of the tensile force applied to the tension structure 11, and particularly when the magnet is an electromagnet, the magnetic force in front of the first tension substructure 12 and the second tension substructure 13 can be adjusted by adjusting the magnetic force of the electromagnet, thereby achieving the purpose of accurately controlling the bending parameters of the flexible circuit board 22 during the bending process of the step bending area 212.
In the embodiment of the invention, the bending parameters include one or any combination of bending radius, bending strength, bending angle and bending position. Taking bending parameters as an example for describing the bending angle, when the step bending area 212 is bent, the acting force between the first tension substructure 12 and the second tension substructure 13 is adjusted to achieve the purpose of adjusting the tension applied to the tension structure 11, and by adjusting the tension applied to the tension structure 11, the bending angle of the flexible circuit board 22 can be controlled during the bending process to make the bending angle conform to a predetermined angle value.
In the embodiment of the present invention, the first tensile sub-structure 12 is a rod-like structure, which is convenient for connecting with the tensile structure 11 and can apply the tensile force on the tensile structure 11 uniformly.
In the embodiment of the present invention, the tensile structure 11 is a polymer film, and the polymer film is adopted to facilitate the connection between the tensile structure 11 and the first tensile substructure 12, and to enable the first tensile substructure 12 to apply the tensile force on the tensile structure 11 uniformly.
In the embodiment of the present invention, the jig 1 may further include a supporting member (not shown). When the flexible circuit board 22 is bent, the support member is used to support the display module 2, and the flexible circuit board 22 is folded toward the non-light-emitting side of the display module 2 in the region where the support member is located. The second tension substructure 13 may be fixed to the supporting member, or may be separately fixed to other members, and is not particularly limited herein.
As shown in fig. 4 and 6, when the flexible circuit board 22 needs to be bent to the non-light emitting side of the display panel 21, the step bending region 212 needs to be bent. Specifically, a first end of the tension structure 11 is connected to the flexible wiring board 22; connecting a second end of the tensile structure 11 with a first tensile substructure 12; when the flexible circuit board 22 is bent, a magnetic force is generated between the first tension substructure 12 and the second tension substructure 13, and a tension is applied to the tension structure 11 by the magnetic force to control the bending parameters of the flexible circuit board 22. In the embodiment of the present invention, the tension structure 11 is applied with a pulling force to achieve the purpose of applying a force to the step bending area 212, so that each position of the step bending area 212 can be uniformly applied with a force, the uniformity of the stress distribution of the step bending area 212 is improved, and the alignment deviation can be adjusted during the bending process to ensure that the wires 24 in the step bending area 212 are uniformly applied with a force, thereby avoiding the problem of breaking the wires 24 in the step bending area 212.
The jig provided by the embodiment of the invention comprises a tension structure, a first tension substructure and a second tension substructure, wherein the first end of the tension structure is connected with the flexible circuit board, the second end of the tension structure is connected with the first tension substructure, and the second tension substructure applies tension to the tension structure through the acting force generated between the second tension substructure and the first tension substructure so as to finish the bending operation of the flexible circuit board.
The embodiment of the invention provides a bending method of a display module, which is realized based on a jig, wherein the jig comprises a tension structure and a first tension substructure and a second tension substructure which are oppositely arranged, and the jig is used for bending a flexible circuit board to the non-light-emitting side of a display panel. As shown in fig. 7, the method includes:
And 102, connecting the first end of the tension structure with the flexible circuit board.
And 103, connecting a second end, opposite to the first end, of the tension structure with the first tension substructure.
And 104, controlling an acting force generated between the first tension substructure and the second tension substructure when the flexible circuit board is bent, and applying a tension to the tension structure through the acting force to control the bending parameters of the flexible circuit board.
And 105, after the flexible circuit board is bent to the non-light-emitting side of the display panel, controlling the tension structure to be separated from the flexible circuit board.
It should be noted that: the execution sequence of the steps is only an example, and should not be a limitation to the present invention, and in practical applications, the execution sequence may be changed according to production needs, for example, step 103 is executed before step 102.
According to the embodiment of the invention, the fixture is adopted to realize bending of the display module, the flexible circuit board does not need to be directly grabbed, and the tension structure is applied with tension through the first tension substructure and the second tension substructure, so that each position of the step bending area of the display panel can be uniformly stressed, the uniformity of stress distribution of the step bending area is improved, and the problem of breakage of the routing in the step bending area is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A jig is used for bending a display module and is characterized in that the display module comprises a display panel and a flexible circuit board connected with the display panel;
the jig is used for bending the flexible circuit board to the non-light-emitting side of the display panel;
the jig comprises a tension structure, a first tension substructure and a second tension substructure, wherein the first tension substructure and the second tension substructure are oppositely arranged, a first end of the tension structure is connected with the flexible circuit board, and a second end, opposite to the first end, of the tension structure is connected with the first tension substructure;
wherein the material of the first tensile substructure comprises a ferromagnetic material and the second tensile substructure comprises a magnet; or, the first tension substructure comprises a magnet and the material of the second tension substructure comprises a ferromagnetic material;
the second tension substructure is used for applying tension to the tension structure through acting force generated between the second tension substructure and the first tension substructure when the flexible circuit board is bent so as to control bending parameters of the flexible circuit board.
2. The jig of claim 1, wherein the first tensile sub-structure extends along a first direction, and the second tensile sub-structure extends along the first direction, wherein the first direction is parallel to an extending direction of an edge of the flexible circuit board on a side close to the first tensile sub-structure.
3. The jig of claim 2, wherein a width of the first tensile substructure along the first direction is greater than a width of the tensile structure along the first direction; the width of the second tensile substructure along the first direction is greater than or equal to the width of the first tensile substructure along the first direction.
4. The fixture of claim 1, wherein the center point of the first tension substructure is located on the central axis of the tension structure.
5. The fixture according to claim 1,
the first tension substructure is clamped or attached to the second end of the tension structure.
6. The fixture of claim 5, wherein the ferromagnetic material comprises a metal or metal alloy having ferromagnetism.
7. The jig of claim 1, wherein the display module further comprises an edge sealing adhesive, the edge sealing adhesive covers the surface of the flexible circuit board, and the first end of the tension structure is attached to the surface of the flexible circuit board through the edge sealing adhesive.
8. The apparatus of claim 1, wherein the tensile structure is a polymer film.
9. The jig according to claim 1, wherein the display panel is a flexible display panel, the display panel comprises a display area and a step bending area, a plurality of wires are arranged in the step bending area, and the flexible circuit board is electrically connected with the wires;
the jig is used for bending the step bending area so as to bend the flexible circuit board to the non-light-emitting side of the display panel.
10. The method is characterized in that the method is realized based on a jig, the jig comprises a tensile structure and a first tensile substructure and a second tensile substructure which are oppositely arranged, and the jig is used for bending a flexible circuit board to the non-light-emitting side of a display panel; the method comprises the following steps:
providing a display module, wherein the display module comprises a display panel and a flexible circuit board connected with the display module;
connecting a first end of a tension structure with the flexible circuit board;
connecting a second end of a tensile structure opposite the first end with the first tensile substructure;
wherein the material of the first tensile substructure comprises a ferromagnetic material and the second tensile substructure comprises a magnet; or, the first tension substructure comprises a magnet and the material of the second tension substructure comprises a ferromagnetic material;
when the flexible circuit board is bent, controlling an acting force generated between the first tension substructure and the second tension substructure, and applying a tension to the tension structure through the acting force to control the bending parameters of the flexible circuit board;
and after the flexible circuit board is bent to the non-light-emitting side of the display panel, controlling the tension structure to be separated from the flexible circuit board.
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| CN201811622668.4A CN109637366B (en) | 2018-12-28 | 2018-12-28 | Jig and bending method of display module |
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| CN201811622668.4A CN109637366B (en) | 2018-12-28 | 2018-12-28 | Jig and bending method of display module |
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| CN114023191A (en) * | 2019-08-30 | 2022-02-08 | 京东方科技集团股份有限公司 | Display panel, jig and method for preparing display panel by using jig |
| CN111402736B (en) * | 2020-03-26 | 2022-03-08 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN113035084B (en) * | 2021-04-09 | 2022-12-30 | 成都京东方光电科技有限公司 | Profiling laminating device, profiling laminating method, display module and display device |
| TWI824277B (en) * | 2021-08-06 | 2023-12-01 | 友達光電股份有限公司 | Display device and manufacturing method thereof |
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| KR101814683B1 (en) * | 2006-09-06 | 2018-01-05 | 더 보오드 오브 트러스티스 오브 더 유니버시티 오브 일리노이즈 | A two-dimensional stretchable and bendable device |
| JP2012104608A (en) * | 2010-11-09 | 2012-05-31 | Hydeal Co Ltd | Mounting device and mounting method of flexible substrate |
| CN102625649B (en) * | 2012-03-28 | 2014-12-10 | 友达光电(厦门)有限公司 | Assembling jig and assembling method |
| CN204632261U (en) * | 2015-04-17 | 2015-09-09 | 信利（惠州）智能显示有限公司 | Flexible intelligent display device |
| CN206601304U (en) * | 2017-02-09 | 2017-10-31 | 武汉华星光电技术有限公司 | A kind of bend testing apparatus of flexible display panels |
| CN106910427B (en) * | 2017-02-23 | 2019-11-22 | 武汉华星光电技术有限公司 | A kind of open and flat method of display and its flexible display screen |
| CN107331300B (en) * | 2017-07-21 | 2019-09-27 | 上海天马微电子有限公司 | A kind of flexible display panels and flexible display apparatus |
| CN107195253B (en) * | 2017-07-26 | 2020-08-25 | 武汉天马微电子有限公司 | Foldable flexible display device |
| CN107705709B (en) * | 2017-11-03 | 2020-01-03 | 武汉华星光电半导体显示技术有限公司 | Bending jig |
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