CN113450649B - Display panel and display device - Google Patents
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- CN113450649B CN113450649B CN202110706508.3A CN202110706508A CN113450649B CN 113450649 B CN113450649 B CN 113450649B CN 202110706508 A CN202110706508 A CN 202110706508A CN 113450649 B CN113450649 B CN 113450649B
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Classifications
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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
Abstract
The application provides a display panel and display device, this display panel includes: the display device comprises a support body, a first display module and a second display module; the support body comprises a first end face, a second end face and a side surface which are oppositely arranged; the first display module is arranged on the first end face and/or the second end face; the second display module includes a first flexible display portion and a second flexible display portion. According to the display device, the first display module is arranged on the end face of the support body, and the second display module is arranged on the side surface of the support body, so that different display pictures can be displayed by the first display module and the second display module respectively, and the display function of the display panel is increased; and the second display module comprises a first flexible display part and a second flexible display part, and the second flexible display part can be flattened, so that the watching experience of a user is increased, and the second display part can be curled along the side surface of the support body, so that the whole display panel is compact in structure and convenient to carry and transport.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
Along with the rapid development of intelligent terminal equipment, the functional requirements on the display screen are higher and higher, and the functional display screens such as a folding display screen, a flexible display screen, a curved display screen, a curled display screen and the like are already arranged on the market at present, so that the display requirements of different application products are met.
However, these display screens have a single display effect, and cannot meet the needs of diversified application scenes.
Disclosure of Invention
The application provides a display panel and a display device aiming at the defects of the existing mode, so as to solve the problem that the existing flexible display panel is single in function.
In a first aspect, embodiments of the present application provide a display panel, including: the display device comprises a support body, a first display module and a second display module; the support body comprises a first end face and a second end face which are oppositely arranged, and a side surface connecting the first end face and the second end face; the first display module is arranged on the first end face and/or the second end face; the second display module comprises a first flexible display part and a second flexible display part which are sequentially connected, and the first flexible display part is fixedly connected with the side surface; when the second flexible display portion is curled along the circumferential direction of the side surface, the second flexible display portion and the first flexible display portion cover at least a partial area of the side surface; when the second flexible display part is flattened, the plane where the second flexible display part is located is parallel to the tangential direction of the joint of the first flexible display part.
Optionally, one end of the first flexible display portion and one end of the second flexible display portion, which are far away from the second end face, are flush with the first end face; and/or, one end of the first flexible display part and one end of the second flexible display part, which are far away from the first end face, are flush with the second end face.
Optionally, the first flexible display part includes a first support layer, a first adhesive layer, a first back film layer, a first display substrate layer, a first polarizer layer, a second adhesive layer, and a first cover plate layer that are sequentially stacked; the first supporting layer is adhered to the side surface; and/or the second flexible display part comprises a second supporting layer, a third bonding layer, a second back film layer, a second display substrate layer, a second polaroid layer, a fourth bonding layer and a second cover plate layer; the second supporting layer is provided with a plurality of patterned openings, and the openings penetrate through the supporting layer.
Optionally, the support body is a hollow columnar structure, and the outer diameter of the hollow columnar structure is 160-300 mm.
Optionally, when the second flexible display portion is curled along a circumferential direction of the side surface, the first flexible display portion and the second flexible display portion cover an entire area of the side surface.
Optionally, when the second flexible display portion is curled along the circumferential direction of the side surface, a ratio of the radian value corresponding to the second flexible display portion to the radian value corresponding to the first flexible display portion ranges from 2 to 4.
Optionally, the first display module includes a third support layer, a fifth adhesive layer, a third back film layer, a third display substrate layer, a third polarizer layer, a sixth adhesive layer, and a third cover plate layer that are sequentially stacked; the third support layer is bonded to the first end face and/or the second end face.
Optionally, the material of the first support layer includes: at least one of titanium alloy, aluminum alloy or stainless steel; and/or, the material of the first support layer comprises: at least one of titanium alloy, aluminum alloy or stainless steel; and/or, the material of the third supporting layer comprises: silica gel, foam, graphite, copper foil, double faced adhesive tape and high polymer material.
Optionally, the first display module is in a disc-shaped structure, and the diameter of the first display module is 150-250 mm.
In a second aspect, embodiments of the present application further provide a display device, including: the display panel of the first aspect.
The beneficial technical effects brought by the technical scheme provided by the embodiment of the application at least comprise:
according to the display substrate provided by the embodiment of the application, the first display module is arranged on the end face of the support body, and the second display module is arranged on the side surface of the support body, so that different display pictures can be displayed by the first display module and the second display module respectively, and the display function of the display panel is increased; and the second display module comprises a first flexible display part and a second flexible display part, and the second flexible display part can be flattened, so that the watching experience of a user is increased, and the second display part can be curled along the side surface of the support body, so that the whole display panel is compact in structure and convenient to carry and transport.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a support body of a display panel according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a flattened second flexible display portion of a display panel according to an embodiment of the present application;
fig. 4 is a schematic view of an internal film layer structure of a first flexible display portion of a display panel according to an embodiment of the present disclosure;
fig. 5 is a schematic view of an internal film layer structure of a second flexible display portion of a display panel according to an embodiment of the present disclosure;
FIG. 6 is a top view of FIG. 1 provided in an embodiment of the present application;
fig. 7 is a schematic view of an internal film structure of a first display module of a display panel according to an embodiment of the present application.
Wherein:
100-a first display module; 110-a third support layer; 120-a fifth adhesive layer; 130-a third backing film layer; 140-a third display substrate layer; 150-a third polarizer layer; 160-sixth adhesive layer;
170-a third cover sheet layer;
200-a second display module;
210-a first flexible display; 211-a first support layer; 212-a first adhesive layer; 213-a first backing film layer; 214-a first display substrate layer; 215-a first polarizer layer; 216-a second adhesive layer;
217-a first cover sheet layer;
220-a second flexible display; 221-a second support layer; 222-a third adhesive layer; 223-a second backing film layer; 224-a second display substrate layer; 225-a second polarizer layer; 226-fourth adhesive layer;
227-a second cover sheet layer;
300-a support; 310-a first end face; 320-a second end face; 330-side surfaces.
Detailed Description
Examples of embodiments of the present application are illustrated in the accompanying drawings, in which like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. Further, if detailed description of the known technology is not necessary for the illustrated features of the present application, it will be omitted. The embodiments described below by referring to the drawings are exemplary only for the purpose of illustrating the present application and are not to be construed as limiting the present application.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
The following describes the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems in detail with specific embodiments.
As shown in fig. 1, an embodiment of the present application provides a display panel, including: the support 300, the first display module 100, and the second display module 200.
Specifically, as shown in fig. 2, the support body 300 includes a first end surface 310 and a second end surface 320 that are disposed opposite to each other, and a side surface 330 that connects the first end surface 310 and the second end surface 320. The first display module 100 is disposed on the first end surface 310 or the second end surface 320 of the support body 300, and the end surface of the support body 300, where the first display module is not disposed, may be used as a support end for contacting with a support plane, so that the whole display panel is stably disposed on the support plane, which is beneficial to protecting the second display module 200 from being damaged, and is also beneficial to a user to watch a display screen of the second display module 200.
Alternatively, in this embodiment, one first display module 100 may be disposed on each of the first end surface 310 and the second end surface 320 of the support body 300, and the two first display modules 100 may display different contents according to actual display requirements.
Further, with continued reference to fig. 1, the second display module 200 may display different images from the first display module 100. The second display module 200 includes a first flexible display portion 210 and a second flexible display portion 220 connected in sequence.
Optionally, with continued reference to fig. 1, the first flexible display portion 210 may have a smaller size than the second flexible display portion 220, and the first flexible display portion 210 may have a curvature to accommodate the side surface 330 of the support body 300.
In a specific implementation, the first flexible display portion 210 is fixedly connected to the side surface 330, and the second flexible display portion 220 may be flattened or curled along the circumference of the side surface 330 according to actual display requirements.
With continued reference to fig. 1 and 2, when the second flexible display portion 220 is curled along the circumferential direction of the side surface 330, the second flexible display portion 220 and the first flexible display portion 210 cover at least a partial area of the side surface 330, so that the entire display panel has a small volume and is convenient to carry. When the second flexible display portion 220 is curled, only the first flexible display portion 210 may display, and the region of the second flexible display portion 220 may serve as a hand-held portion.
As shown in fig. 2 and 3, when the second flexible display portion 220 is flattened, the plane where the second flexible display portion 220 is located is parallel to the tangential direction of the connection portion of the first flexible display portion 210, so that the first flexible display portion 210 and the second flexible display portion 220 as a whole can display a large-sized picture, and the viewing experience is enhanced. Meanwhile, the support body 300 can be used as a handheld position, and can not shade the display pictures of the first flexible display part 210 and the second flexible display part 220, so that the design is more humanized.
According to the display substrate provided by the embodiment, the first display module 100 is arranged on the end face of the support body 300, and the second display module 200 is arranged on the side surface 330 of the support body 300, so that different display pictures can be displayed by the first display module 100 and the second display module 200 respectively, and the display function of the display panel is increased; and the second display module 200 includes the first and second flexible display parts 210 and 220, and the second flexible display part 220 may be flattened so as to increase the viewing experience of the user, and may also be curled along the side surface 330 of the support body 300, so that the entire display panel is compact in structure, and convenient to carry and transport.
Alternatively, with continued reference to fig. 1-3, the ends of the first and second flexible display portions 210, 220 distal from the second end surface 320 (i.e., the upper ends of the second display modules 200 illustrated in fig. 1 and 3) are each flush with the first end surface 310.
Alternatively, with continued reference to fig. 1-3, the ends of the first and second flexible display portions 210, 220 distal from the first end surface 310 (i.e., the lower ends of the second display modules 200 illustrated in fig. 1 and 3) are each flush with the second end surface 320.
According to the display panel provided by the embodiment, the end parts of the first flexible display part 210 and the second flexible display part 220 are flush with the end part of the support body 300, so that the display size of the first flexible display part 210 and the display size of the second flexible display part 220 are increased, and meanwhile, when the second flexible display part 220 is flattened, the bottom ends of the first flexible display part 210 and the second flexible display part 220 can be used as the support of the whole display panel together with the bottom end of the support body 300, so that the stability of the display panel is improved, and the viewing experience of a user is further improved.
In some specific embodiments, as shown in fig. 4, the first flexible display part 210 includes a first support layer 211, a first adhesive layer 212, a first back film layer 213, a first display substrate layer 214, a first polarizer layer 215, a second adhesive layer 216, and a first cover plate layer 217, which are sequentially stacked. Wherein the first support layer 211 is bonded to the side surface 330 by an adhesive, and the first support layer 211 covers a small area of the side surface 330 along the circumferential direction of the side surface 330.
Optionally, the first supporting layer 211 is a thin metal plate, and the material of the first supporting layer 211 includes: at least one of titanium alloy, aluminum alloy or stainless steel. Optionally, the thickness of the first cover plate layer 217 ranges from: (50 to 250) ±20% mm; the thickness of the first adhesive layer 212 and the second adhesive layer 216 ranges from: (30 to 100) ±20% mm; the thickness of the first polarizer layer 215 ranges from: (30 to 70) ±20% mm; the thickness of the first display substrate layer 214 ranges from: (30 to 50) ±20% mm; the thickness of the first back film layer 213 ranges from: (50 to 80) ±20% mm; thickness range of the first support layer 211: (80 values 150). + -. 20% mm.
In some specific embodiments, as shown in fig. 5, the second flexible display part 220 includes a second support layer 221, a third adhesive layer 222, a second back film layer 223, a second display substrate layer 224, a second polarizer layer 225, a fourth adhesive layer 226, and a second cover plate layer 227.
Optionally, the second supporting layer 221 is a thin metal plate, and the material of the second supporting layer 221 includes: at least one of titanium alloy, aluminum alloy or stainless steel.
Optionally, the thickness of the second cover plate layer 227 ranges from: (50 to 250) ±20% mm; the thickness of the third adhesive layer 222 and the fourth adhesive layer 226 ranges from: (30 to 100) ±20% mm; the thickness of the second polarizer layer 225 ranges from: (30 to 70) ±20% mm; the thickness of the second display substrate layer 224 ranges from: (30 to 50) ±20% mm; the thickness range of the second back film layer 223 is: (50 to 80) ±20% mm; thickness range of the second support layer 221: (80 values 150). + -. 20% mm.
Optionally, in order to increase the bending performance of the second supporting layer 221, a plurality of patterned openings (not shown in the drawing) may be disposed on the second supporting layer 221 in this embodiment, and the openings penetrate through the second supporting layer 221 to form a hollowed-out pattern structure.
Optionally, in order to simplify the process flow and save the process cost, in this embodiment, the first supporting layer 211 and the second supporting layer 221 are arranged in the same layer, the first adhesive layer 212 and the third adhesive layer 222 are arranged in the same layer, the first back film layer 213 and the second back film layer 223 are arranged in the same layer, the first display substrate layer 214 and the second display substrate 224 are arranged in the same layer, the first polarizer layer 215 and the second polarizer 225 are arranged in the same layer, the second adhesive layer 216 and the fourth adhesive layer 226 are arranged in the same layer, and the first cover plate layer 217 and the second cover plate layer 227 are arranged in the same layer. It should be noted that the same layer arrangement in the embodiment of the present application refers to a film layer structure obtained by using the same manufacturing process, that is, the first flexible display portion 210 and the second flexible display portion 220 are two-part structures obtained by using the same manufacturing process.
In some embodiments, to reduce the mass of the display panel, the support 300 in this embodiment is a hollow columnar structure having an outer diameter of 160mm (millimeters) to 300mm (millimeters), including the end points 160mm and 300mm.
Alternatively, the outer diameter of the hollow columnar structure in this embodiment is 200mm.
Optionally, the power supply, the control chip and other components can be arranged in the hollow part of the hollow columnar structure, so that the whole display panel is more compact in structure and attractive in appearance.
In the display panel provided by the embodiment, the supporting body 300 adopts a hollow columnar structure, so that the weight can be reduced, the user can hold the display panel conveniently, and the physical strength is saved; and meanwhile, the outer diameter of the hollow columnar structure is controlled within a certain range, so that the volume of the whole display panel after the second display module 200 is curled is controlled, and the display panel is convenient to carry.
Alternatively, with continued reference to fig. 1, when the second flexible display portion 220 in the present embodiment is curled along the circumferential direction of the side surface 330, the first flexible display portion 210 and the second flexible display portion 220 cover the entire area of the side surface 330.
In this embodiment, the structure formed by combining the first flexible display portion 210 and the second flexible display portion 220 (i.e. the second display module 200) is curled to cover the side surface 330 of the whole support body 300, so that the total display area (including the curled state and the flattened state) of the first flexible display portion 210 and the second flexible display portion 220 is maximized, and the viewing experience of the user is further improved.
In some embodiments, as shown in fig. 6, when the second flexible display portion 220 is curled along the circumferential direction of the side surface 330, the ratio of the radian value corresponding to the second flexible display portion 220 to the radian value corresponding to the first flexible display portion 210 is 2-4.
Optionally, in this embodiment, the radian value corresponding to the first flexible display portion 210 is 1.57rad (equal to about 90 degrees of central angle), and the radian value corresponding to the second flexible display portion 220 is 4.71rad (equal to about 270 degrees of central angle).
The display panel provided in this embodiment, by reasonably controlling the radian values corresponding to the second flexible display portion 220 and the first flexible display portion 210, is equivalent to reasonably controlling the size relationship between the first flexible display portion 210 and the second flexible display portion 220, is favorable for controlling the switching between the curled state and the flattened state of the second flexible display portion 220, and does not affect the viewing angle of the whole second display module 200 after the second flexible display portion 220 is flattened.
In some embodiments, as shown in fig. 7, the first display module 100 includes a third support layer 110, a fifth adhesive layer 120, a third back film layer 130, a third display substrate layer 140, a third polarizer layer 150, a sixth adhesive layer 160, and a third cover plate layer 170, which are sequentially stacked.
Optionally, when the first display module 100 is located on the first end surface 310, the third supporting layer 110 and the first end surface 310 are adhered and fixed by an adhesive. When the first display module 100 is located on the second end surface 320, the third supporting layer 110 and the second end surface 320 are adhered and fixed by an adhesive.
Optionally, the material of the third supporting layer 110 includes silica gel (e.g., EMBO gel), foam, graphite, copper foil, double sided tape, and polymer material, so as to have excellent electrical, thermal, and mechanical properties.
In addition, the thickness range of the third cover sheet layer 170 is: (200 to 750) ±20% mm; the thickness ranges of the fifth adhesive layer 120 and the sixth adhesive layer 160 are: (30 to 100) ±20% mm; the thickness of the third polarizer layer 150 ranges from: (30 to 70) ±20% mm; the thickness range of the third display substrate layer 140 is: (30 to 50) ±20% mm; the thickness of the third back film layer 130 ranges from: (50 to 80) ±20% mm; the thickness of the third supporting layer 110 ranges from: (20 to 80). + -. 20% mm.
Alternatively, the first display substrate layer 214, the second display substrate layer 224, and the third display substrate layer 140 in embodiments of the present application may be Organic Light Emitting Diode (OLED) display substrates.
In some embodiments, with continued reference to fig. 1, 3 and 6, the first display module 100 in this embodiment has a disc-shaped structure, so that the first end surface 310 or the second end surface 320 of the hollow columnar structure is adapted to the shape, so that the first display module is convenient to mount and cooperate with the second display module, and has an attractive appearance.
Alternatively, the diameter of the first display module 100 is 150mm to 250mm, including the end point values 150mm and 250mm.
In some embodiments, when the second flexible display portion 220 is flattened, the total size of the first flexible display portion 210 and the second flexible display portion 220 is greater than or equal to 6.1 inches, which corresponds to approximately 94.2mm in the radial direction of the support body 300, and 120mm in the circumferential direction of the support body 300.
Based on the same inventive concept, the display device provided in the embodiments of the present application includes: the display panel is as described in the embodiment of the application.
The display device provided by the embodiment of the application comprises the display panel in the previous embodiment, wherein the display panel is provided with the first display module on the end face of the support body, and meanwhile, the second display module is arranged on the side surface 330 of the support body, so that different display pictures can be displayed by the first display module and the second display module respectively, and the display function of the display panel is increased; and the second display module includes first flexible display portion and second flexible display portion, and the second flexible display portion can flatten to increased user's viewing experience, and the second display portion can also curl along the side surface 330 of supporter, makes the structure of whole display panel comparatively compact, portable and transportation.
The embodiments of the present application have at least the following technical effects:
1. the first display module is arranged on the end face of the support body, and the second display module is arranged on the side surface of the support body, so that different display pictures can be displayed by the first display module and the second display module respectively, and the display function of the display panel is increased; and the second display module comprises a first flexible display part and a second flexible display part, and the second flexible display part can be flattened, so that the watching experience of a user is increased, and the second display part can be curled along the side surface of the support body, so that the whole display panel is compact in structure and convenient to carry and transport.
2. Through the tip with first flexible display portion and the tip parallel and level of second flexible display portion and support body, be equivalent to increasing the demonstration size of first flexible display portion and second flexible display portion, when the second flexible display portion is flattened simultaneously, the bottom of first flexible display portion and second flexible display portion can regard as the support of whole display panel together with the bottom of support body, has promoted display panel's stability, because promote user's viewing experience.
3. In order to simplify the process flow and save the process cost, in the embodiment of the application, the first supporting layer and the second supporting layer are arranged on the same layer, the first bonding layer and the third bonding layer are arranged on the same layer, the first back film layer and the second back film layer are arranged on the same layer, the first display substrate layer and the second display substrate layer are arranged on the same layer, the first polaroid layer and the second polaroid layer are arranged on the same layer, the second bonding layer and the fourth bonding layer are arranged on the same layer, and the first cover plate layer and the second cover plate layer are arranged on the same layer.
4. In order to increase the bending performance of the second supporting layer, a plurality of patterned openings may be disposed on the second supporting layer in this embodiment, and the openings penetrate through the second supporting layer to form a hollowed pattern structure.
5. The support body adopts a hollow columnar structure, so that the weight can be reduced, the support body is convenient for a user to hold, and the physical strength is saved; and meanwhile, the outer diameter of the hollow main body is controlled within a certain range, so that the volume of the whole display panel after the second display module is curled is controlled, and the display panel is convenient to carry.
6. The structure (namely the second display module) formed by combining the first flexible display part and the second flexible display part is curled to cover the side surface of the whole support body, so that the total display area (comprising a curled state and a flattened state) of the first flexible display part and the second flexible display part is maximized, and the visual experience of a user is further improved.
7. Through the radian value that the rational control second flexible display portion and first flexible display portion correspond, be equivalent to the rational control size relation between first flexible display portion and the second flexible display portion, be favorable to controlling the switching of the crimping state and the flattening state of second flexible display portion, and can not influence the visual angle of whole second display module after the flattening of second flexible display portion yet.
8. The first display module in this embodiment is a disc-shaped structure, so that the appearance of the first end surface or the second end surface of the hollow columnar structure is adapted, the installation and the matching are convenient, and the appearance is attractive.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (7)
1. A display panel, comprising:
a support body including a first end face and a second end face disposed opposite to each other, and a side surface connecting the first end face and the second end face; the support body is of a hollow columnar structure;
a first display module arranged on the first end face and/or the second end face;
the second display module comprises a first flexible display part and a second flexible display part which are sequentially connected, and the first flexible display part is fixedly connected with the side surface; when the second flexible display part is curled along the circumferential direction of the side surface, the second flexible display part and the first flexible display part cover the whole area of the side surface, and the ratio range of the radian value corresponding to the second flexible display part to the radian value corresponding to the first flexible display part is 2-4; when the second flexible display part is flattened, the plane where the second flexible display part is positioned is parallel to the tangential direction of the joint of the first flexible display part;
the first flexible display part comprises a first supporting layer, a first bonding layer, a first back film layer, a first display substrate layer, a first polaroid layer, a second bonding layer and a first cover plate layer which are sequentially stacked; the first supporting layer is adhered to the side surface;
the second flexible display part comprises a second supporting layer, a third bonding layer, a second back film layer, a second display substrate layer, a second polaroid layer, a fourth bonding layer and a second cover plate layer; the second supporting layer is provided with a plurality of patterned openings, and the openings penetrate through the supporting layer;
the first supporting layer and the second supporting layer are arranged on the same layer, the first bonding layer and the third bonding layer are arranged on the same layer, the first back film layer and the second back film layer are arranged on the same layer, the first display substrate layer and the second display substrate layer are arranged on the same layer, the first polaroid layer and the second polaroid layer are arranged on the same layer, the second bonding layer and the fourth bonding layer are arranged on the same layer, and the first cover plate layer and the second cover plate layer are arranged on the same layer.
2. The display panel of claim 1, wherein an end of the first flexible display portion and the second flexible display portion remote from the second end face are both flush with the first end face;
and/or, one end of the first flexible display part and one end of the second flexible display part, which are far away from the first end face, are flush with the second end face.
3. The display panel according to any one of claims 1 to 2, wherein the outer diameter of the hollow columnar structure is 160mm to 300mm.
4. The display panel of claim 1, wherein the first display module includes a third support layer, a fifth adhesive layer, a third back film layer, a third display substrate layer, a third polarizer layer, a sixth adhesive layer, and a third cover sheet layer, which are sequentially stacked;
the third support layer is bonded to the first end face and/or the second end face.
5. The display panel of claim 4, wherein the material of the first support layer comprises: at least one of titanium alloy, aluminum alloy or stainless steel;
and/or, the material of the first support layer comprises: at least one of titanium alloy, aluminum alloy or stainless steel;
and/or, the material of the third supporting layer comprises: silica gel, foam, graphite, copper foil, double faced adhesive tape and high polymer material.
6. The display panel according to claim 1, wherein the first display module has a disc-shaped structure, and the diameter of the first display module is 150mm to 250mm.
7. A display device, comprising: the display panel according to any one of claims 1 to 6.
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