CN111667770B - Flexible display device - Google Patents
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- CN111667770B CN111667770B CN202010678649.4A CN202010678649A CN111667770B CN 111667770 B CN111667770 B CN 111667770B CN 202010678649 A CN202010678649 A CN 202010678649A CN 111667770 B CN111667770 B CN 111667770B
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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 flexible display device, which comprises a plane area and a bending area, wherein the flexible display device comprises a display panel, a protective layer and a bonding layer, wherein the protective layer is arranged on at least one of the light emergent side and the backlight side of the display panel; the bonding layer is arranged between the display panel and the protective layer, and the protective layer is fixed with the display panel through the bonding layer; wherein, in the bending area, the bonding layer is formed with at least one fretwork portion. This application is through forming fretwork portion with the tie coat in the bending zone for flexible display device has enough space to hold the deformation of display panel light-emitting side or other retes of the side of being shaded in the bending zone when buckling, has consequently promoted flexible display device's the performance of buckling.
Description
Technical Field
The application relates to the technical field of display, in particular to a flexible display device.
Background
In the existing flexible display device, other film layers such as a protective layer, a touch layer or a cover plate are usually attached to the upper and lower sides of the display panel, however, the addition of the other film layers increases the thickness of the flexible display device, when the flexible display device is bent, a large stress is formed in a bending area to hinder the bending performance, and meanwhile, the film layers are deformed by extrusion or stretching during bending, and the bending portion has no sufficient space to tolerate the deformation, which also results in the limitation of the bending performance of the flexible display device.
Therefore, the existing flexible display device has the technical problem of insufficient bending performance, and needs to be improved.
Disclosure of Invention
The embodiment of the application provides a flexible display device for alleviate the technical problem that the performance of buckling is not enough among the current flexible display device.
The present application provides a flexible display device including a planar area and a bending area, the flexible display device including:
a display panel;
a protective layer disposed on at least one of a light emitting side and a backlight side of the display panel;
the bonding layer is arranged between the display panel and the protective layer, and the protective layer is fixed with the display panel through the bonding layer;
wherein, in the bending area, the bonding layer is formed with at least one hollow-out part.
In the flexible display device of the present application, in the bending region, a thickness of at least one of the protection layer and the display panel corresponding to the hollowed-out portion is smaller than a thickness of the other region corresponding to the adhesive layer.
In the flexible display device of the present application, at least one of one side that the protective layer is close to the bonding layer, one side that is far away from the bonding layer, and one side that the display panel is close to the bonding layer is formed with a first groove, the first groove with the hollowed-out portion corresponds.
In the flexible display device of the present application, the bonding layer includes a bonding portion where the hollowed-out portion is not formed, at least one of a side of the protective layer close to the bonding layer and a side of the display panel close to the bonding layer is formed with a second groove in the bending region, and the bonding portion corresponds to the second groove and is embedded in the second groove.
In the flexible display device of the present application, the adhesive layer is formed with the hollowed-out portion in both the planar area and the curved area.
In the flexible display device of the present application, a long side of the hollowed-out portion is parallel to a boundary of the planar area and the curved area.
In the flexible display device of the present application, the adhesive layer forms at least two hollowed-out portions within the bending region, the at least two hollowed-out portions being spaced apart in a first direction perpendicular to a boundary of the planar region and the bending region.
In the flexible display device, in the bending area, the bonding layer forms a plurality of hollowed-out portions which are arranged at intervals in the bending area.
In the flexible display device of the present application, the lengths of the plurality of hollow portions and the interval distances of the hollow portions are not completely the same.
In the flexible display device of the present application, the hollow portion is in a vacuum or semi-vacuum state.
Has the advantages that: the application provides a flexible display device, which comprises a plane area and a bending area, wherein the flexible display device comprises a display panel, a protective layer and a bonding layer, wherein the protective layer is arranged on at least one of the light emergent side and the backlight side of the display panel; the bonding layer is arranged between the display panel and the protective layer, and the protective layer is fixed with the display panel through the bonding layer; wherein, in the bending area, the bonding layer is formed with at least one hollow-out part. This application is through forming fretwork portion with the tie coat in the bending zone for flexible display device has enough space to hold the deformation of display panel light-emitting side or other retes of the side of being shaded in the bending zone when buckling, has consequently promoted flexible display device's the performance of buckling.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a structural schematic diagram of a bent state of a flexible display device according to an embodiment of the present application.
Fig. 2 is a schematic view of a first film layer structure of a flexible display device according to an embodiment of the present disclosure.
Fig. 3 is a schematic diagram of a second film layer structure of a flexible display device according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a third film layer of a flexible display device according to an embodiment of the present disclosure.
Fig. 5 is a schematic diagram of a fourth film structure of a flexible display device according to an embodiment of the present disclosure.
Fig. 6 is a schematic structural diagram of a fifth film layer of a flexible display device according to an embodiment of the present disclosure.
Fig. 7 is a schematic view of a sixth film layer structure of a flexible display device according to an embodiment of the present disclosure.
Fig. 8 is a schematic view of a seventh film layer structure of a flexible display device according to an embodiment of the present disclosure.
Fig. 9 is a schematic diagram of an eighth film structure of a flexible display device according to an embodiment of the present disclosure.
Fig. 10 is a schematic view of a ninth film layer structure of a flexible display device according to an embodiment of the present application.
Fig. 11 is a schematic view of a tenth film layer structure of a flexible display device according to an embodiment of the present application.
Fig. 12 is a schematic view of a first planar structure of a second adhesive layer in a flexible display device according to an embodiment of the present disclosure.
Fig. 13 is a schematic diagram illustrating a second planar structure of a second adhesive layer in a flexible display device according to an embodiment of the present disclosure.
Fig. 14 is a schematic view of a third planar structure of a second adhesive layer in a flexible display device according to an embodiment of the present disclosure.
Fig. 15 is a schematic diagram illustrating a fourth planar structure of a second adhesive layer in a flexible display device according to an embodiment of the present disclosure.
Fig. 16 is a schematic view of a fifth planar structure of a second adhesive layer in a flexible display device according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the application provides a flexible display device for alleviate the technical problem that the performance of buckling is not enough among the current flexible display device.
The application provides a flexible display device, which comprises a plane area and a bending area, wherein the flexible display device comprises a display panel, a protective layer and a bonding layer, wherein the protective layer is arranged on at least one of the light emergent side and the backlight side of the display panel; the bonding layer is arranged between the display panel and the protective layer, and the protective layer is fixed with the display panel through the bonding layer; wherein, in the bending area, the bonding layer is formed with at least one fretwork portion.
As shown in fig. 1, a schematic view of a bending state structure of a flexible display device provided in an embodiment of the present application is shown, where a in fig. 1 indicates that the flexible display device is bent with a backlight side inside, and b in fig. 1 indicates that the flexible display device is bent with a light exit side inside, in the present application, for example, protective layers are disposed on both sides of a display panel 10, and each protective layer includes an upper protective layer 60 located on the light exit side of the display panel 10 and a lower protective layer 40 located on the backlight side of the display panel 10.
As shown in fig. 2, for a first film layer structure schematic diagram of a flexible display device provided in the present application, the flexible display device includes a planar area 100 and a bending area 200, the flexible display device includes a display panel 10, a protective layer and a bonding layer, the bonding layer includes a first bonding layer 50 located between an upper protective layer 60 and the display panel 10 and a second bonding layer 30 located between a lower protective layer 40 and the display panel 10, and a polarizer 20 is further disposed between the first bonding layer 50 and the display panel 10.
The display panel 10 may be a flexible liquid crystal display panel, a flexible OLED display panel, a flexible electrophoretic display panel, or the like, the upper protective layer 60 generally includes at least one of a touch layer and a cover plate, the lower protective layer 40 generally includes a back reinforcing layer made of at least one of a poly-p-phenylene terephthalate (PET) and a copper foil, and the adhesive layer is made of a material generally a solid transparent optical adhesive (OCA), an ultraviolet hardening resin (OCR), a Pressure Sensitive Adhesive (PSA), or the like.
In the embodiment of the present application, the first adhesive layer 50 and the second adhesive layer 30 may have a hollow portion, and the principle and the manner of disposing both are the same, and for convenience of illustration, the following embodiment will be described by taking the second adhesive layer 30 as an example, but the manner of disposing the first adhesive layer 50 in each embodiment is also applicable.
The second adhesive layer 30 includes a hollowed portion 31 and an adhesive portion 32 where the hollowed portion 31 is not formed, and the hollowed portion 31 may be formed only in the bending region 200, or may be formed in both the planar region 100 and the bending region 200.
When the hollow portion 31 is formed only in the bending region 200, there are various ways to form the hollow portion 31.
In one embodiment, as shown in fig. 2, the second adhesive layer 30 has only one hollow portion 31 formed in the bending region 200, and the area of the hollow portion is smaller than or equal to the area of the bending region 200.
In one embodiment, as shown in fig. 3, the second adhesive layer 30 is formed with at least two cutouts 31 in the bending region 200.
When flexible display device buckles, go up protective layer 60 and lower protective layer 40 and can take place deformation, because be provided with fretwork portion 31 in the bending zone 200, can provide accommodation space for these deformations, by extruded layer can be sunken to in fretwork portion 31, when only setting up a fretwork portion 31, accommodation space is great, the ability of tolerating deformation is also stronger, when setting up a plurality of fretwork portions 31, the existence of bonding portion 32 also can release stress better in the bending zone 200, when buckling, certain dislocation can take place for bonding portion 32 that the interval set up, make go up protective layer 60 or lower protective layer 40 adapt to the different deformation direction of inside and outside both sides structure, thereby improve flexible display device's bending performance.
In one embodiment, in the bending region 200, the thickness of at least one of the lower protection layer 40 and the display panel 10 corresponding to the hollowed-out portion 31 is smaller than the thickness of the other region corresponding to the second adhesive layer 30. At this moment, the overall thickness of the flexible display device in the area where the hollow part 31 is located is smaller, so that the flexible display device is beneficial to bending and smaller deformation, the thickness of the lower protective layer 40 and the thickness of the display panel 10 are reduced, and the hollow part 31 is arranged in a matching manner, so that a better bending effect can be achieved.
Specifically, a first groove may be formed at least one of a side of the lower protective layer 40 close to the second adhesive layer 30, a side far from the second adhesive layer 30, and a side of the display panel 10 close to the second adhesive layer 30, the first groove corresponding to the hollowed-out portion 31.
As shown in fig. 4, a first groove may be formed only on one side of the lower protection layer 40 close to the second bonding layer 30, the first groove and the hollow portion 31 correspond to each other in position, the hollow portion 31 provides an accommodating space for deformation of the lower protection layer 40 in the area, the first groove realizes that the thickness of the lower protection layer 40 is thinner, and the first groove and the second groove cooperate to improve the bending performance of the flexible display device. In addition, the projection of the first groove on the display panel 10 completely coincides with the projection of the hollow portion 31 on the display panel 10, so that the hollow portion 31 and the first groove can be formed by using the same mask during manufacturing, and the cost is low.
As shown in fig. 5, a first groove may be formed only on a side of the lower protection layer 40 away from the second adhesive layer 30, the first groove and the hollow portion 31 correspond to each other in position, the hollow portion 31 provides an accommodating space for deformation of the lower protection layer 40 in the area, the first groove realizes that the thickness of the lower protection layer 40 is thinner, and the first groove and the second groove cooperate to improve the bending performance of the flexible display device. In addition, the projection of the first groove on the display panel 10 completely coincides with the projection of the hollow portion 31 on the display panel 10, so that the hollow portion 31 and the first groove can be formed by using the same mask during manufacturing, and the cost is low.
As shown in fig. 6, a first groove may be formed simultaneously on a side of the lower protection layer 40 away from the second adhesive layer 30 and a side of the display panel 10 close to the second adhesive layer 30, the hollow portion 31 provides an accommodating space for deformation of the lower protection layer 40 in the area, the first groove realizes that the thicknesses of the lower protection layer 40 and the display panel 10 are thinner, and the two are matched to improve the bending performance of the flexible display device. In addition, the projections of the two first grooves on the display panel 10 are completely overlapped with the projections of the hollow parts 31 on the display panel 10, so that the hollow parts 31 and the first grooves can be formed by using the same photomask during manufacturing, and the cost is low.
In the embodiments of fig. 4 to 6, a hollow portion 31 is formed in the bending region 200, as shown in fig. 7, when a plurality of hollow portions 31 are formed in the bending region 200, a first groove may be formed in at least one of a side of the lower protection layer 40 close to the second adhesive layer 30, a side of the lower protection layer away from the second adhesive layer 30, and a side of the display panel 10 close to the second adhesive layer 30, where the first groove corresponds to the hollow portion 31, and the technical effect is the same as that in the embodiments corresponding to fig. 4 to 6.
In one embodiment, in the bending region 200, at least one of a side of the lower protection layer 40 adjacent to the second adhesive layer 30 and a side of the display panel 10 adjacent to the second adhesive layer 30 is formed with a second groove, and the adhesive portion 32 corresponds to the second groove and is embedded in the second groove. At this time, the bonding portion 32 corresponds to the thinned portion of the lower protective layer 40 and the display panel 10, so that the bonding portion 32 has a larger thickness than other portions, and when the flexible display device is bent, the bonding portion 32 may be displaced more largely to adapt to different deformation directions of the inner side and the outer side when the lower protective layer 40 is bent, thereby improving the bending performance.
As shown in fig. 8, in the bending region 200, a second groove may be formed only on a side of the lower protective layer 40 adjacent to the second adhesive layer 30, the second groove corresponding to the position of the adhesive portion 32, the height of the adhesive portion 32 being greater than the height of the other positions of the adhesive layer 30, and the excess portion being embedded in the second groove. In this region fretwork portion 31 provides accommodation space for the deformation of lower protective layer 40, and bonding portion 32 can take place bigger dislocation when lower protective layer 40 deformation, and both mutually support, have improved flexible display device's bending performance.
As shown in fig. 9, in the bending region 200, a second groove may be formed only on one side of the display panel 10 adjacent to the second adhesive layer 30, the second groove corresponding to the position of the adhesive portion 32, the height of the adhesive portion 32 being greater than the height of the other positions of the adhesive layer 30, and the excess portion being embedded in the second groove. In this region fretwork portion 31 provides accommodation space for the deformation of lower protective layer 40, and bonding portion 32 can take place bigger dislocation when lower protective layer 40 deformation, and both mutually support, have improved flexible display device's bending performance.
As shown in fig. 10, in the bending region 200, a second groove may be simultaneously formed at a side of the display panel 10 adjacent to the second adhesive layer 30 and a side of the lower protective layer 40 adjacent to the second adhesive layer 30, the second groove corresponding to the position of the adhesive portion 32, the height of the adhesive portion 32 being greater than the height of the other positions of the adhesive layer 30, and the excess portion being embedded in the second groove. In this region fretwork portion 31 provides accommodation space for the deformation of lower protective layer 40, and bonding portion 32 can take place bigger dislocation when lower protective layer 40 deformation, and both mutually support, have improved flexible display device's bending performance.
In the above embodiments, the hollow portion 31 is formed only in the bending region 200, and in one embodiment, as shown in fig. 11, the second adhesive layer 30 may also form the hollow portion 31 in both the planar region 100 and the bending region 200, so as to improve the overall flexibility of the flexible display device and better release the stress during the bending process.
Fig. 12 to 16 show four schematic plane structures of the second adhesive layer in the flexible display device provided in the embodiment of the present application. The long side of the hollow portion 31 is parallel to the boundary between the planar region 100 and the bending region 200, i.e. the hollow portion 31 is in a long strip shape.
In one embodiment, only one hollow portion 31 is formed in the bending region 200, and the planar structure is as shown in fig. 12.
In one embodiment, at least two cutouts 31 are formed in the bending region 200, as shown in fig. 13 and 14, and the at least two cutouts 31 are spaced apart in a first direction perpendicular to a boundary line between the planar region 100 and the bending region 200. The interval between each fretwork portion 31 can equal, also can be unequal, and the width of each fretwork portion 31 can equal, also can be unequal, specifically can set up according to the demand that holds the deformation. The long side of the hollow portion 31 is parallel to the boundary plane area 100 and the bending area 200, and the length of the long side may be equal to the width of the bending area 200 as shown in fig. 13, or may be smaller than the width of the bending area 200 as shown in fig. 14.
In one embodiment, a plurality of hollow-out portions 31 are formed in the bending region 200, as shown in fig. 15 and 16, and the plurality of hollow-out portions 31 are spaced apart from each other in the bending region 200. The lengths of the plurality of hollow portions 31 and the interval distances of the hollow portions 31 are not completely the same. Specifically, stress distribution state and deformation state when the flexible display device is bent can be based on, in the region where stress is large or deformation is large, the setting density of the hollow portion 31 is large, in the region where stress is small or deformation is small, the setting density of the hollow portion 31 is small, so that the flexible display device has enough space to accommodate the deformation of the protective layer, the manufacturing process is simple, and more hollow portions 31 do not need to be arranged in all regions.
When the hollow portion 31 is formed, the inside of the hollow portion 31 is in an air filling state, a vacuum filling state or a semi-vacuum filling state, specifically, when the width of the long side of the hollow portion 31 is equal to the width of the bending region 200, the inside of the hollow portion 31 is in the air filling state, and when the width of the long side of the hollow portion 31 is smaller than the width of the bending region 200, the inside of the hollow portion 31 is in the vacuum filling state or the semi-vacuum filling state.
In the above embodiments, the hollow portion 31 is formed in the second adhesive layer 30 as an example, in actual installation, the hollow portion 31 may be formed only in the second adhesive layer 30, or the hollow portion 31 may be formed only in the first adhesive layer 50, or the hollow portions 31 may be formed in both the first adhesive layer 50 and the second adhesive layer 30, and the number, shape, and interval of the hollow portions 31, the first groove, and the second groove may be set as required, so as to achieve a better effect of improving the bending property.
The application also provides a terminal, including any one of the above embodiments flexible display device, the terminal of this application forms fretwork portion through the tie coat with flexible display device in the bending zone for flexible display device has enough space in the bending zone when buckling and can hold the deformation of display panel light-emitting side or the other retes of the side of being shaded, has consequently promoted flexible display device's the performance of buckling.
According to the above embodiment:
the application provides a flexible display device and a terminal, comprising a plane area and a bending area, wherein the flexible display device comprises a display panel, a protective layer and a bonding layer, and the protective layer is arranged on at least one of the light emergent side and the backlight side of the display panel; the bonding layer is arranged between the display panel and the protective layer, and the protective layer is fixed with the display panel through the bonding layer; wherein, in the bending area, the bonding layer is formed with at least one fretwork portion. This application is through forming fretwork portion with the tie coat in the bending zone for flexible display device has enough space to hold the deformation of display panel light-emitting side or other retes of the side of being shaded in the bending zone when buckling, has consequently promoted flexible display device's the performance of buckling.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The flexible display device and the terminal provided by the embodiments of the present application are described in detail above, and specific examples are applied in the description to explain the principles and embodiments of the present application, and the description of the embodiments is only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (7)
1. A flexible display device comprising a planar region and a curved region, the flexible display device comprising:
a display panel;
a protective layer disposed on at least one of a light emitting side and a backlight side of the display panel;
the bonding layer is arranged between the display panel and the protective layer, and the protective layer is fixed with the display panel through the bonding layer;
in the bending area, at least one hollowed-out part is formed on the bonding layer, the thickness of at least one of the protective layer and the display panel, corresponding to the hollowed-out part, is smaller than the thickness of the other areas, a first groove is formed on at least one of one side of the protective layer, close to the bonding layer, and one side of the display panel, close to the bonding layer, and corresponds to the hollowed-out part.
2. The flexible display device of claim 1, wherein the adhesive layer is formed with the hollowed-out portion in both the planar area and the curved area.
3. The flexible display device of claim 1, wherein a long side of the hollowed-out portion is parallel to a boundary of the planar area and the curved area.
4. The flexible display device of claim 3, wherein within the bend region, the adhesive layer forms at least two hollowed-out portions spaced apart along a first direction perpendicular to a line of demarcation of the planar region and the bend region.
5. The flexible display device of claim 3, wherein the adhesive layer forms a plurality of hollowed-out portions within the bending region, the plurality of hollowed-out portions being spaced apart within the bending region.
6. The flexible display device of claim 5, wherein the lengths of the plurality of hollowed-out portions and the spacing distance of the hollowed-out portions are not identical.
7. The flexible display device of claim 1, wherein the hollow portion is in a vacuum or semi-vacuum state.
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| CN202010678649.4A CN111667770B (en) | 2020-07-15 | 2020-07-15 | Flexible display device |
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| CN202010678649.4A CN111667770B (en) | 2020-07-15 | 2020-07-15 | Flexible display device |
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| CN111667770B true CN111667770B (en) | 2021-10-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112150923B (en) * | 2020-09-17 | 2022-04-26 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and manufacturing method thereof |
| CN112289951B (en) * | 2020-10-28 | 2022-07-12 | 武汉华星光电半导体显示技术有限公司 | Display device and backboard thereof |
| CN112341949B (en) * | 2020-11-03 | 2022-11-01 | 京东方科技集团股份有限公司 | Protective film, protective film attaching method, display module and display device |
| CN112669708A (en) * | 2020-12-28 | 2021-04-16 | 厦门天马微电子有限公司 | Display module and electronic equipment |
| CN113053247B (en) * | 2021-03-15 | 2023-10-24 | 京东方科技集团股份有限公司 | Flexible display panel and display device |
| CN113079237A (en) * | 2021-04-19 | 2021-07-06 | 维沃移动通信有限公司 | Display screen assembly and electronic equipment |
| CN114613271A (en) * | 2022-03-18 | 2022-06-10 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN114973969A (en) * | 2022-06-27 | 2022-08-30 | 武汉天马微电子有限公司 | Folding display screen |
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