CN112270890B - Flexible display panel and flexible display device - Google Patents
Flexible display panel and flexible display device Download PDFInfo
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- CN112270890B CN112270890B CN202011166925.5A CN202011166925A CN112270890B CN 112270890 B CN112270890 B CN 112270890B CN 202011166925 A CN202011166925 A CN 202011166925A CN 112270890 B CN112270890 B CN 112270890B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
The invention discloses a flexible display panel and a flexible display device. The flexible display panel includes: the flexible screen body is arranged on the supporting substrate; the support substrate comprises a non-bending area and a first bending area, and the first bending area is arranged on the outer edge of the non-bending area; the first bending area comprises a supporting portion, a first protection portion and a second protection portion, the first protection portion and the second protection portion are located on two sides of the supporting portion respectively, a concave area is formed by the first protection portion, the second protection portion and the supporting portion in a surrounding mode, and the concave area is used for containing the bending area of the flexible screen body. According to the scheme disclosed by the invention, the curved surface display of the flexible display panel can be ensured, the stress of the flexible screen body during bending is reduced, and the product yield is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a flexible display panel and a flexible display device.
Background
With the development of display technologies, display panels are constantly changing from large to thin, from narrow frames to frameless, from unbendable to bendable, and from curved to four-sided (i.e., the edges of the display panels are curved). The edge bending of the flexible display panel can not only realize the full-screen display of the front view angle, but also realize the display of the side face, thereby improving the visual effect.
In the prior art, when a flexible display panel is manufactured, a flexible screen body is usually attached to a stainless steel substrate (SUS for short) in a curved surface form. However, because the curved shape of the SUS is fixed, the flexible screen body may be subjected to different degrees of stress when being bent along the curved shape of the SUS, which may cause the flexible screen body to be easily broken or the film layer to be separated; meanwhile, one side of the Flexible Printed Circuit (FPC) led out of the Flexible screen body interferes with SUS, which affects the manufacturing process of the Flexible display panel.
Disclosure of Invention
The invention provides a flexible display panel and a flexible display device, which can reduce the stress of a flexible screen body during bending and improve the yield of products while ensuring the curved surface display of the flexible display panel.
In a first aspect, an embodiment of the present invention provides a flexible display panel, including: the flexible screen body is arranged on the support substrate; wherein the content of the first and second substances,
the supporting substrate comprises a non-bending area and a first bending area, and the first bending area is arranged on the outer edge of the non-bending area;
the first bending area comprises a supporting portion, and a first protection portion and a second protection portion which are located on two sides of the supporting portion respectively, a concave area is formed by the first protection portion, the second protection portion and the supporting portion in a surrounding mode, and the concave area is used for containing the bending area of the flexible screen body.
Optionally, the support substrate further includes a second bending region disposed at an outer edge of the non-bending region and not overlapped with the first bending region;
preferably, the first bending region and the second bending region jointly surround the non-bending region.
Optionally, the support portion includes a bending support portion and a planar support portion, the planar support portion is disposed on a side of the non-bending region away from the flexible screen body, and the bending support portion connects the planar support portion and the non-bending region;
preferably, the surface of the bending support part is a curved surface; the surface of the plane supporting part is a plane; the curved surface is tangent to the plane.
Optionally, the curved surface is a convex curved surface along a first direction, and the first direction is a direction from the non-bending region to the first bending region;
preferably, the bending angle of the first bending area is a, the included angle between the curved surface and the plane is b, and b is 180-a.
Optionally, the width of the planar supporting portion is greater than or equal to the width of the flexible circuit board FPC of the flexible screen body, and the edge of the planar supporting portion is not shorter than the outer edge of the FPC after the flexible screen body is bent.
Optionally, the depth of the recessed area is greater than or equal to the thickness of the bending area of the flexible screen body, and the width of the recessed area is greater than or equal to the width of the bending area of the flexible screen body;
preferably, the depth of the recess region is 200-.
As above, optionally, the surface of the bending support part and/or the surface of the planar support part is provided with a buffer part.
As above, optionally, the material of the buffer part is at least one of silicone, optical adhesive, pressure-sensitive adhesive, and foam.
As above, optionally, the support substrate is an integrally formed structure.
In a second aspect, embodiments of the present invention further provide a flexible display device, which includes a flexible display panel having any of the features of the first aspect.
The invention provides a flexible display panel and a flexible display device.A support substrate is designed to comprise a non-bending area and a first bending area, the first bending area is arranged at the outer edge of the non-bending area, the first bending area comprises a support part and a first protection part and a second protection part which are respectively positioned at two sides of the support part, and as the first protection part, the second protection part and the support part enclose a concave area, a flexible screen body falls into the concave area after being bent along the first bending area, the flexible screen body cannot be pulled, thereby preventing the problem of interference between an FPC (flexible printed circuit) and the support substrate; meanwhile, the first bending area can support the flexible screen body, stress of the flexible screen body during bending is reduced, and the yield of products is improved.
Drawings
FIG. 1 is a schematic view of a conventional elastic silicone rubber deformation block attached to a flexible screen body;
FIG. 2 is a schematic diagram of a prior art Ququ plaster;
FIG. 3 is a schematic structural diagram of a support substrate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another supporting substrate according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a flexible screen according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a flexible display panel according to an embodiment of the present invention;
fig. 7 is a schematic partial cross-sectional view of another flexible display panel according to an embodiment of the present invention;
fig. 8 is a schematic partial cross-sectional view illustrating a flexible display panel according to another embodiment of the present invention;
fig. 9 is a schematic partial perspective view of a flexible display panel according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
Also, the drawings and description of the embodiments are to be regarded as illustrative in nature, and not as restrictive. Like reference numerals refer to like elements throughout the specification. In addition, the thickness of some layers, films, panels, regions, etc. may be exaggerated in the drawings for understanding and ease of description. It will also be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In addition, "on … …" means that an element is positioned on or under another element, but does not essentially mean that it is positioned on the upper side of the other element according to the direction of gravity. For ease of understanding, the figures of the present invention depict one element on top of another.
Additionally, unless explicitly described to the contrary, the word "comprise", and variations such as "comprises" or "comprising", will be understood to imply the inclusion of stated elements but not the exclusion of any other elements.
It should also be noted that references to "and/or" in embodiments of the invention are intended to include any and all combinations of one or more of the associated listed items. Various components are described in embodiments of the present invention with "first", "second", "third", and the like, but these components should not be limited by these terms. These terms are only used to distinguish one component from another. Also, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
While certain embodiments may be practiced differently, the specific process sequence may be performed differently than that described. For example, two processes described consecutively may be performed at substantially the same time or in an order reverse to that described.
In order to realize curved surface display, an existing flexible display panel usually adopts a mode of pressing, filling and attaching an elastic silica gel deformation block to attach a fixed curved surface cover plate to a flexible screen body, fig. 1 shows a schematic diagram of attaching an existing elastic silica gel deformation block to a flexible screen body, as shown in fig. 1, a bending angle of the flexible screen body 1 is alpha, and an R angle of the elastic silica gel deformation block 2 is 180-alpha. Along with the angle of bending of the flexible screen body 1 increases, the angle of the R angle gradually decreases, so that the R angle is easy to generate bubbles 3 (due to insufficient filling) and screen body black spots 4 (due to excessive pressure), and the yield of the flexible display panel is seriously affected. Therefore, the four-curved external pasting technology has been developed, and fig. 2 shows a schematic diagram of a conventional four-curved external pasting technology, and as shown in fig. 2, the four-curved external pasting technology is to paste a flexible screen body 1 'on SUS 2' with a fixed curved surface form. However, the side of the flexible screen 1' led out of the FPC interferes with SUS, which affects the manufacturing process of the flexible display panel. In order to solve the above problems, embodiments of the present invention provide a flexible display panel and a flexible display device, which can reduce stress when a flexible screen body is bent while ensuring curved surface display of the flexible display panel, and improve product yield.
Hereinafter, the structure of the flexible display panel, the flexible display device, and technical effects thereof will be described in detail.
In addition, the following embodiments are all exemplified by the flexible display panel being rectangular, and in practical applications, the flexible display panel may also be regular or irregular in shape, such as circular, polygonal, and the like, which is not limited in particular by the present invention. Meanwhile, in order to more clearly describe the supporting substrate in the flexible display panel, the following drawings in the embodiments of the present invention correspondingly adjust the sizes of the structures in the flexible display panel.
An embodiment of the present invention provides a flexible display panel, including: the flexible screen body is arranged on the support substrate; the support substrate comprises a non-bending area and a first bending area, and the first bending area is arranged on the outer edge of the non-bending area; the first bending area comprises a supporting portion, a first protection portion and a second protection portion, the first protection portion and the second protection portion are located on two sides of the supporting portion respectively, a concave area is formed by the first protection portion, the second protection portion and the supporting portion in a surrounding mode, and the concave area is used for containing the bending area of the flexible screen body.
Specifically, fig. 3 is a schematic structural diagram illustrating a supporting substrate according to an embodiment of the present invention, wherein fig. 3(a) is a schematic structural diagram of the supporting substrate viewed from the top; FIG. 3(b) is a schematic diagram of a top view of the back surface of the supporting substrate; fig. 3(c) is a side view of the support substrate. As shown in fig. 3, the support substrate 10 includes a non-bending region 13 and a first bending region 11, and the first bending region 11 is disposed at an outer edge of the non-bending region 13. The first bending region 11 includes a supporting portion 110, and a first protection portion 111 and a second protection portion 112 respectively located at two sides of the supporting portion 110, the first protection portion 111, the second protection portion 112 and the supporting portion 110 enclose a recessed area a, and the recessed area a is used for accommodating the bending region of the flexible screen body.
With the continuous development of flexible display technology, flexible display panels have been gradually developed from pure curvature to four-sided curvature. In order to implement a four-curved flexible display panel, in an embodiment, fig. 4 illustrates a schematic structural diagram of another supporting substrate provided in an embodiment of the present invention, wherein fig. 4(a) is a schematic structural diagram of a front side of the supporting substrate in a top view; FIG. 4(b) is a schematic diagram of a top view of the back surface of the supporting substrate; fig. 4(c) is a side view of the support substrate. As shown in fig. 4, the support substrate 10 includes a non-bending region 13, a first bending region 11 and a second bending region 12, the first bending region 11 is disposed at an outer edge of the non-bending region 13, the second bending region 12 is disposed at an outer edge of the non-bending region 13, and the second bending region 12 does not overlap with the first bending region 11.
The number of the second bending regions 12 may be one or more, and fig. 4 is drawn with the number of the second bending regions 12 being three, for example. In an embodiment, when the shape of the non-bending region 13 is a rectangle, the non-bending region 13 has four sides (i.e., outer edges), a first bending region 11 is disposed at one outer edge of the non-bending region 13, a second bending region 12 is disposed at the other three outer edges, and the first bending region 11 and the second bending region 12 have a curvature, thereby implementing a four-curved flexible display panel.
Further illustratively, when the shape of the non-bending region 13 is a circle, a ring or an ellipse, and the outer edge of the non-bending region 13 is a closed circle or an ellipse, then the first bending region 11 is disposed at one section of the outer edge, and the second bending region 12 is disposed at the rest of the outer edge, thereby forming a structure in which the first bending region 11 and the second bending region 12 surround the non-bending region 13.
The first bending region 11 includes a supporting portion 110, and a first protection portion 111 and a second protection portion 112 respectively located at two sides of the supporting portion 110, the first protection portion 111, the second protection portion 112 and the supporting portion 110 enclose a recessed area a, and the recessed area a is used for accommodating the bending region of the flexible screen body.
Fig. 5 shows a schematic top view structure diagram of a flexible screen body according to an embodiment of the present invention, and as shown in fig. 5, the flexible screen body 20 includes a non-bending region 200, a bending region 201 and a flexible circuit board FPC 202, and the bending region 201 is located between the non-bending region 200 and the flexible circuit board FPC 202. Fig. 6 is a schematic cross-sectional view illustrating a part of a flexible display panel according to an embodiment of the present invention, and as shown in fig. 6, the flexible display panel includes: a support substrate 10, and a flexible screen 20 disposed on the support substrate 10; the supporting substrate includes a non-bending region and a first bending region, the first bending region includes a supporting portion 110 and a first protection portion and a second protection portion (only the first protection portion 111 is shown in fig. 6) respectively located at two sides of the supporting portion 110, the supporting portion 110 includes a bending supporting portion 21 and a plane supporting portion 22, the plane supporting portion 22 is disposed at one side of the non-bending region 13 far away from the flexible screen body 20, namely, the plane supporting portion 22 is disposed at the back of the supporting substrate 10, and the bending supporting portion 21 is connected with the plane supporting portion 22 and the non-bending region 13.
In one embodiment, the surface of the bending support portion 21 is a curved surface; the surface of the plane support portion 22 is a plane; the curved surface is tangent to the plane.
Specifically, the curved surface of the bending support portion 21 is a curved surface protruding along a first direction, and the first direction is a direction from the non-bending region to the first bending region (i.e., a direction from the right to the left in fig. 6); the planar support portion 22 may be a boss structure.
The bending support part 21 and the plane support part 22 both function to support the flexible screen body 20; specifically, as shown in fig. 6, the flexible screen body 20 is attached to the surface of the support substrate and is bent along the shape of the support substrate, the flexible printed circuit FPC of the flexible screen body 20 corresponds to the position of the first bending region 11, because the first bending region 11 is provided with the groove a, the bending region of the flexible screen body 20 can fall into the groove a and is bent along the bending support portion 21, the surface of the bending support portion 21 is a convex arc surface, which can support the flexible screen body 20, and reduce the stress generated when the flexible screen body 20 is bent; the flexible screen body 20 bent to the back of the supporting substrate can be continuously attached to the plane supporting part 22 (namely, the plane supporting part 22 continuously supports the area of the Flexible Printed Circuit (FPC) until the edge of the flexible screen body 20), so that pulling force cannot be generated on the flexible screen body 20, and the circuit fracture of the flexible screen body 20 caused by pressing down is avoided.
As can be seen from fig. 3, 4 and 6, a step-shaped step is formed between the first protective portion 111 and the second protective portion 112 and the support portion 110, so that the first protective portion 111 and the second protective portion 112 can serve as the flexible screen 20 attached to the frame protective support portion 110. No matter what direction the flexible display panel is placed, the first protection portion 111 and the second protection portion 112 can protect the flexible screen body 20 attached to the support portion 110 from being collided, and the yield of the flexible display panel is improved.
Fig. 7 is a schematic cross-sectional view of a part of another flexible display panel provided in an embodiment of the present invention, and as shown in fig. 7, the flexible display panel includes: a support substrate 10, and a flexible screen 20 disposed on the support substrate 10; the supporting substrate includes a non-bending region and a first bending region, the first bending region includes a supporting portion 110 and a first protection portion and a second protection portion (only the first protection portion 111 is shown in fig. 7) respectively located at two sides of the supporting portion 110, the supporting portion 110 includes a bending supporting portion 21 and a plane supporting portion 22, the plane supporting portion 22 is disposed at one side of the non-bending region 13 far away from the flexible screen body 20, namely, the plane supporting portion 22 is disposed at the back of the supporting substrate 10, and the bending supporting portion 21 is connected with the plane supporting portion 22 and the non-bending region 13.
The surface of the bending support portion 21 and/or the surface of the planar support portion 22 are provided with a cushioning portion 30. The buffer part 30 is arranged between the flexible screen body 20 and the support substrate 10 and can play a role in adhesion; meanwhile, the stress generated when the flexible screen body 20 is bent can be relieved, the attaching precision is improved, and the performance of the flexible display panel is improved.
In one embodiment, the material of the buffer portion 30 is at least one of silicone, optical adhesive, pressure sensitive adhesive, and foam. The pressure-sensitive adhesive is a viscoelastic body which has both liquid viscosity and solid elasticity, and can be used for adhering any smooth surface of an adherend.
Fig. 8 is a schematic partial cross-sectional view illustrating a flexible display panel according to another embodiment of the present invention, and as shown in fig. 8, a bending angle of the first bending region is a, an included angle between a curved surface and a plane is b, and b is 180-a.
Fig. 9 is a schematic view illustrating a partial three-dimensional structure of a flexible display panel according to an embodiment of the present invention, as shown in fig. 9, in order to improve a supporting effect, a width d of a planar supporting portion is greater than or equal to a width of a Flexible Printed Circuit (FPC) of a flexible screen body, and an edge of the planar supporting portion is not shorter than an outer edge of the FPC after the flexible screen body is bent; the depth of the concave area is larger than or equal to the thickness of the bending area of the flexible screen body, and the width of the concave area is larger than or equal to the width of the bending area of the flexible screen body.
Optionally, the depth of the recessed region is 200-.
Optionally, the width of the recessed area is 1-3mm larger than the width of the frame (i.e. the first protection portion 111 and the second protection portion 112) after the flexible screen body is bent.
In one embodiment, in order to reduce the manufacturing difficulty of the supporting substrate, the supporting substrate is an integrally formed structure and is made of the same material.
The material of the supporting substrate is at least one of metal and metal alloy; in the actual production process, SUS stainless steel may be selected.
In addition, it should be noted that the support substrate 10 provided by the present invention can be applied to flexible display panels with any bending radius. The bending radius of the flexible screen body can be set according to actual conditions, and the embodiment of the invention is not particularly limited in this respect. Compared with the traditional scheme, the support substrate provided by the invention can reduce the bending angle of the flexible screen body by 0-90 degrees, greatly reduce the stress generated on the flexible screen body 20 during bending and after bending, and improve the reliability of the product.
The present invention provides a flexible display panel comprising: the flexible screen body is arranged on the supporting substrate; the support substrate comprises a non-bending area and a first bending area, and the first bending area is arranged on the outer edge of the non-bending area; the first bending area comprises a supporting portion, a first protection portion and a second protection portion, the first protection portion and the second protection portion are located on two sides of the supporting portion respectively, a concave area is formed by the first protection portion, the second protection portion and the supporting portion in a surrounding mode, and the concave area is used for containing the bending area of the flexible screen body. The supporting substrate is designed to comprise a non-bending area and a first bending area, the first bending area is arranged on the outer edge of the non-bending area, the first bending area comprises a supporting portion, and a first protecting portion and a second protecting portion which are respectively located on two sides of the supporting portion, and the first protecting portion, the second protecting portion and the supporting portion are enclosed to form a concave area; meanwhile, the first bending area can support the flexible screen body, stress of the flexible screen body during bending is reduced, and the yield of products is improved.
An embodiment of the present invention further provides a flexible display device, and fig. 10 illustrates a schematic structural diagram of the flexible display device provided in the embodiment of the present invention. As shown in fig. 10, the flexible display device 70 includes a flexible display panel 71 provided in any embodiment of the present invention.
The flexible display device 70 may also include a front camera and a sensor. The front camera and the sensor are correspondingly arranged below the display area of the flexible display panel 71. Optionally, besides the front camera and the sensor, other devices, such as a gyroscope or a receiver, may be disposed below the display area.
The flexible display panel 71 may be any one of display panels such as an Organic Light-Emitting Diode (OLED) display panel, an In-Plane Switching (IPS) display panel, a Twisted Nematic (TN) display panel, a Vertical Alignment (VA) display panel, electronic paper, a Quantum Dot Light Emitting (QLED) display panel, or a micro LED (micro Light Emitting Diode, μ LED) display panel, which is not particularly limited In this respect. The light emitting mode of the flexible display panel 71 may be top emission, bottom emission, or double-sided emission.
The flexible display device 70 provided by the embodiment of the present invention may be applied to an intelligent wearable device (such as an intelligent bracelet and an intelligent watch), and may also be applied to a smart phone, a tablet computer, a display, and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A flexible display panel, comprising: the flexible screen body is arranged on the supporting substrate; wherein the content of the first and second substances,
the support substrate comprises a non-bending area and a first bending area, and the first bending area is arranged on the outer edge of the non-bending area;
the first bending area comprises a supporting part, a first protecting part and a second protecting part, wherein the first protecting part and the second protecting part are respectively positioned on two sides of the supporting part, a concave area is defined by the first protecting part, the second protecting part and the supporting part, and the concave area is used for accommodating the bending area of the flexible screen body;
the depth of the concave area is greater than or equal to the thickness of the bending area of the flexible screen body, and the width of the concave area is greater than or equal to the width of the bending area of the flexible screen body;
step-shaped fall is formed between the first protection part and the support part, and between the second protection part and the support part;
the support part comprises a bending support part and a plane support part, the plane support part is arranged on one side of the non-bending area far away from the flexible screen body, and the bending support part is connected with the plane support part and the non-bending area;
the surface of the bending supporting part is a curved surface; the surface of the plane supporting part is a plane; the curved surface is tangent to the plane.
2. The flexible display panel according to claim 1, wherein the support substrate further comprises a second bending region disposed at an outer edge of the non-bending region and not overlapping with the first bending region;
the first bending area and the second bending area jointly surround the non-bending area.
3. The flexible display panel according to claim 1, wherein the curved surface is a curved surface protruding in a first direction, and the first direction is a direction from the non-bending region to the first bending region;
the bending angle of the first bending area is a, the included angle between the curved surface and the plane is b, and b is 180-a.
4. The flexible display panel according to claim 1, wherein the width of the planar support portion is greater than or equal to the width of a flexible circuit board (FPC) of the flexible screen body, and the edge of the planar support portion is not shorter than the outer edge of the FPC after the flexible screen body is bent.
5. The flexible display panel according to claim 1 or 2,
the depth of the depressed region is 200-2000 μm, and the width of the depressed region is 10-60 mm.
6. The flexible display panel according to claim 1, wherein a surface of the bending support portion and/or a surface of the planar support portion is provided with a buffer portion.
7. The flexible display panel according to claim 6, wherein the material of the buffer portion is at least one of silicone, optical adhesive, pressure-sensitive adhesive, and foam.
8. The flexible display panel according to claim 1 or 2, wherein the support substrate is an integrally molded structure.
9. A flexible display device comprising a flexible display panel according to any one of claims 1 to 8.
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| CN112959804B (en) * | 2021-04-14 | 2024-04-09 | 京东方科技集团股份有限公司 | Curved surface screen bending equipment and curved surface screen bending method |
| CN114241906A (en) | 2021-11-30 | 2022-03-25 | 武汉天马微电子有限公司 | Display device and preparation method thereof |
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