CN110164309B - Foldable display device - Google Patents
Foldable display device Download PDFInfo
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- CN110164309B CN110164309B CN201910440288.7A CN201910440288A CN110164309B CN 110164309 B CN110164309 B CN 110164309B CN 201910440288 A CN201910440288 A CN 201910440288A CN 110164309 B CN110164309 B CN 110164309B
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- support film
- bending part
- display device
- foldable display
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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 embodiment of the invention provides a foldable display device, relates to the technical field of display, and is used for reducing the possibility of bending failure of a flexible display panel in the foldable display device. The foldable display device includes a flexible display panel and a support film. The flexible display panel comprises a bending part, the bending part comprises a bending shaft, and the bending shaft extends along a first direction. The support film comprises a first support film, the first support film is attached to one side of the bending part, and the first support film covers the center of the bending part. The distance from the first support film to the boundary of the bent portion in the second direction is greater than 0. The second direction is perpendicular to the first direction.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a foldable display device.
[ background of the invention ]
With the continuous development of display technology, various display products with different characteristics are produced to meet different use requirements. The foldable display device is a novel display product with flexibility, and when the foldable display device is used, a user can fold the foldable display device according to needs so as to reduce the size of the display device and improve the portability of the display device. Alternatively, the foldable display device may be unfolded to obtain a large display screen. Currently, performance improvement of foldable display devices has become a focus of research.
[ summary of the invention ]
In view of the above, embodiments of the present invention provide a foldable display device, so as to reduce the possibility of bending failure of a flexible display panel in the foldable display device.
An embodiment of the present invention provides a foldable display device, including:
a flexible display panel comprising a bending portion, the bending portion comprising a bending axis; the bending shaft extends along a first direction;
the supporting film comprises a first supporting film, and the first supporting film is attached to one side of the bending part; the first support film covers the center position of the bending part;
in a second direction, a distance from the first support film to a boundary of the bent portion is greater than 0; the second direction is perpendicular to the first direction.
According to the foldable display device provided by the embodiment of the invention, the first support film which is attached to the bending part of the flexible display panel is arranged, and the first support film covers the central position of the bending part, so that the bending radius of the central position of the bending part in the flexible display panel can be increased by arranging the first support film in the bending process, and the problem of bending failure of the flexible display panel is avoided.
In addition, in the second direction, the distance from the first support film to the boundary of the bending portion is greater than 0, that is, the first support film does not cover the boundary of the bending portion. In the bending process, the bending radius of the boundary position of the bending part is relatively larger at each position of the bending part, so that the stress at each position of the bending part tends to be consistent by arranging the first support film at the boundary position of the bending part and arranging the first support film at the central position of the bending part, so that the bending radius at each position of the bending part tends to be consistent, and the bending part is bent to form a shape approaching to a water drop as much as possible.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a foldable display device in a folded state according to the prior art;
fig. 2 is a top view of a foldable display device in an unfolded state according to an embodiment of the present invention;
FIG. 3 is a top view of the foldable display device shown in FIG. 2 in a folded state;
FIG. 4 is a schematic cross-sectional view along AA' of FIG. 3;
FIG. 5 is a schematic cross-sectional view along BB' of FIG. 2;
FIG. 6 is another schematic cross-sectional view along AA' of FIG. 3;
FIG. 7 is another schematic cross-sectional view taken along BB' of FIG. 2;
FIG. 8 is a further schematic cross-sectional view taken along BB' of FIG. 2;
fig. 9 is a further schematic cross-sectional view along BB' of fig. 2.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first, second, third, etc. may be used to describe the support films in embodiments of the present invention, the support films should not be limited to these terms. These terms are only used to distinguish the support films from each other. For example, the first support film may also be referred to as the second support film, and similarly, the second support film may also be referred to as the first support film, without departing from the scope of embodiments of the present invention.
As shown in fig. 1, fig. 1 is a schematic cross-sectional view of a foldable display device in a folded state in the prior art, wherein a bending stress applied to a position near a bending center is large when a bent portion 1' of the foldable display device is folded, resulting in an excessively small bending radius at the position. After a certain number of times of bending, bending marks can appear at the position, and cracks can be generated in serious cases, so that the foldable display device is subjected to bending failure, and the service life of the foldable display device is influenced.
In view of the above, an embodiment of the present invention provides a foldable display device, and referring to fig. 2, fig. 3, fig. 4 and fig. 5, fig. 2 is a top view of the foldable display device provided in an embodiment of the present invention in an unfolded state, fig. 3 is a top view of the foldable display device shown in fig. 2 in a folded state, fig. 4 is a schematic cross-sectional view along AA 'of fig. 3, and fig. 5 is a schematic cross-sectional view along BB' of fig. 2, wherein the foldable display device includes a foldable flexible display panel 1, the flexible display panel 1 includes a bent portion 3, and the bent portion 3 includes a bent shaft 30; the bending axis 30 extends in the first direction x. The folded display device further comprises a support film 2. Specifically, the support film 2 includes a first support film 21, and as shown in fig. 4 and 5, the first support film 21 is attached to one side of the bending portion 3; the first support film 21 covers the center position of the bent portion 3; the distance from the first support film 21 to the boundary of the folded portion 3 in the second direction y is greater than 0; the second direction y is perpendicular to the first direction x.
When the foldable display device is adjusted in different working states by bending the bending portion 3, as shown in fig. 1, for the foldable display device without a support film in the prior art, the center position of the bending portion 1' is generally the position with the largest stress, and therefore, the problem of failure of the flexible display panel due to too small bending radius is likely to occur at the position. As shown in fig. 4, in the foldable display device provided in the embodiment of the present invention, the first support film 21 attached to the bending portion 3 of the flexible display panel 1 is arranged, and the first support film 21 covers the central position of the bending portion 3, so as to increase the bending difficulty of the central position of the bending portion 3 in the bending process, thereby increasing the bending radius of the central position of the bending portion 3 in the bending process, avoiding the situation that the flexible display panel 1 is excessively bent, avoiding the occurrence of bending failure of the flexible display panel 1, improving the bending-resistant times of the foldable display device, and prolonging the service life of the foldable display device.
Further, in the second direction y, the distance from the first support film 21 to the boundary of the bent portion 3 is greater than 0, that is, the first support film 21 is not in contact with the boundary of the bent portion 3, that is, the first support film 21 does not extend to the boundary of the bent portion 3 in the second direction y. So set up because: during the bending process, the stress at different positions of the bent portion 3 is different. Specifically, the bending stress applied to the central position of the bent portion 3 is large, and the bending stress applied to the boundary position of the bent portion 3 is small, so that the bending radius at the boundary position of the bent portion 1' and the non-bent portion in the prior art is larger than the bending radius at the central position of the bent portion. Based on this, in the embodiment of the present invention, the first support film 21 covering the center position of the bent portion 3 is provided, and the first support film 21 is not provided at the boundary of the bent portion 3, so that the bending radii at the positions of the bent portion 3 tend to be uniform, and the bent portion 3 forms a drop shape as much as possible after being bent.
It should be noted that the bending axis 30 may be an actually existing structure in the flexible display panel 1, or the bending axis 30 may also be a virtual axis passing through the center of the bending portion 3 in the flexible display panel 1, which does not actually exist in the flexible display panel 1. When the flexible display panel 1 is folded, the flexible display panel 1 can be folded around the folding axis 30 passing through the center of the folding portion 3 to change different structural states.
Illustratively, as shown in fig. 3, the first support film 21 and the bending axis 30 extend in the same direction, that is, the first support film 21 and the bending axis 30 both extend in the first direction x, so that the first support film 21 can cover the bending axis 30, and the bending radius at each position in the bending axis 30 is increased accordingly.
Exemplarily, as shown in fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, fig. 6 is another schematic cross-sectional view along AA ' of fig. 3, fig. 7 is another schematic cross-sectional view along BB ' of fig. 2, and fig. 8 is another schematic cross-sectional view along BB ' of fig. 2; the first support film 21 includes a first surface 211 attached to the bending portion 3, and a second surface 212 connected to the first surface 211. In the embodiment shown in fig. 4 and 5, the included angle θ 1 between the first surface 211 and the second surface 212 is a right angle. In the embodiment shown in fig. 6 and 7, the included angle θ 1 between the first surface 211 and the second surface 212 is an obtuse angle. In the embodiment shown in fig. 8, the included angle θ 1 between the first surface 211 and the second surface 212 is a rounded angle.
As shown in fig. 4, when the bending portion 3 is in a bent state, a stress concentration point is formed at a position C where the edge of the first support film 21 contacts the bending portion 3, and based on this, as shown in fig. 7 and 8, by setting an included angle θ 1 between the first surface 211 and the second surface 212 of the first support film 21 to be a rounded angle or an obtuse angle, on the one hand, the embodiment of the present invention can prevent a sharp acute angle from being formed between the first surface 211 and the second surface 212, thereby preventing the acute angle from damaging the flexible display panel 1. On the other hand, by setting the included angle θ 1 between the first surface 211 and the second surface 212 of the first support film 21 to be a rounded corner or an obtuse angle, that is, by extending the second surface 212 relative to the first surface 211 to a position away from the center of the bending portion 3, in the process of bending, for the stress concentration point C formed at the position of the flexible display panel 1 contacting with the edge of the first support film 21, the stress applied to the stress concentration point C can be relieved along the extending direction of the second surface 212 of the first support film 21 to a direction away from the center of the bending portion 3, which is beneficial to improving the stress concentration phenomenon at the bending portion 3 in the flexible display panel 1 and improving the bending resistance of the flexible display panel 1 compared with the scheme of setting θ 1 to be a right angle as shown in fig. 4 and 5.
Illustratively, the strain of the first support film 21 is smaller than the strain of the flexible display panel 1 under the same stress. In this way, when the first support film 21 is attached to the side of the bent portion 3 of the flexible display panel 1, in the process of bending the first support film 21 along with the bent portion 3, the strain of the first support film 21 is smaller than that of the flexible display panel 1 under the same stress with respect to the flexible display panel 1. Therefore, at the position of the bent portion 3 where the first support film 21 is attached, the bending difficulty of the bent portion 3 will increase, so that the bending radius at the position of the bent portion 3 where the first support film 21 is attached will increase compared with the case where the first support film 21 is not attached, thereby reducing the possibility of the bent portion 3 of the flexible display panel 1 being subjected to bending failure.
Exemplarily, as shown in fig. 2, the bent portion 3 is symmetrical with respect to a center line of the bent portion 3; the first support film 21 is symmetrical with respect to the center line of the bent portion 3; the center line of the bent portion 3 is a straight line passing through the center of the bent portion 3 and extending along the first direction x. For example, as shown in fig. 2, the center line of the bent portion 3 may be the bending axis 30 of the bent portion 3. According to the embodiment of the present invention, after bending, the central line of the bent portion 3 is taken as the symmetry axis, so that the increasing degrees of the bending radii of the first support film 21 to the portions of the bent portion 3 located at both sides of the central line tend to be consistent, and thus the bent portion 3 can form a drop shape after bending.
Exemplarily, as shown in fig. 9, fig. 9 is a further schematic cross-sectional view along BB' of fig. 2, wherein the support film 2 further includes a plurality of second support films 22 disposed at intervals, the second support films 22 overlap the bent portions 3, the second support films 22 are attached to the same sides of the bent portions 3 as the first support films 21, and the second support films 22 are disposed on two sides of the first support films 21 along the second direction y; the second support films 22 extend in the first direction x, and are arranged in the second direction y; in the second direction, the distance from the second support film 22 to the boundary of the bent portion 3 is greater than 0. In the embodiment of the present invention, by disposing the second support film 22, the bending radius at the position of the bent portion 3 overlapping with the second support film 22 can be increased accordingly, and by disposing the second support film 22 at intervals, the distance from the second support film 22 to the boundary of the bent portion 3 along the second direction y is also greater than 0, that is, a gap is disposed between two adjacent second support films 22. Because the positions of the bending portions 3 corresponding to the gaps are relatively easy to bend, and the positions of the bending portions 3 corresponding to the second support films 22 are relatively difficult to bend, the embodiment of the invention can form the easily bendable regions and the difficultly bendable regions which are alternately arranged in the bending portions 3, so that compared with the case that the second support films 22 are not arranged, the bending radii of the bending portions 3 at the positions after bending tend to be consistent, and the shape of the bending portions 3 after bending tends to be more drop-shaped.
Illustratively, as shown in fig. 9, a distance D1 between the first support film 21 and the second support film 22 adjacent thereto is less than or equal to a distance D2 between any two adjacent second support films 22. The distance D1 between the first support film 21 and the second support film 22 adjacent thereto is the shortest distance between the first support film 21 and the second support film 22 adjacent thereto in the second direction y. The embodiment of the invention is arranged in such a way that the increase degree of the bending radius of the bending part 3 close to the central position is larger than that of the bending radius far away from the central position. Because the bending stress applied to the central position of the bent portion 3 is relatively large in the prior art, the embodiment of the present invention can further balance the bending stress applied to each position of the bent portion 3, so that the bent shape of the bent portion 3 is more approximate to a droplet shape.
For example, as shown in fig. 9, in the embodiment of the present invention, the second support film 22 may be arranged to be symmetrical with respect to the center line of the bent portion 3, so that after being bent, the center line of the bent portion 3 is taken as a symmetry axis, and the increasing degrees of the bending radii of the portions of the second support film 22 located at both sides of the center line of the bent portion 3 tend to be consistent, so that the shape of the bent portion 3 after being bent tends to be more drop-shaped.
Exemplarily, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the flexible display panel 1 further includes a non-bending portion 4 connected to the bending portion 3; during the bending process of the flexible display panel 1, the non-bent portion 4 is not bent. The support film 2 further includes a third support film 23 covering the non-bent portion 4; the third support film 23 is capable of supporting the non-bent portion 4, ensuring flatness of the non-bent portion 4, protecting the non-bent portion 4 from external collision and contamination, enhancing external impact resistance of the non-bent portion 4, and ensuring cleanliness of the non-bent portion 4. Illustratively, as shown in fig. 2, the minimum distance between the third support film 23 and the first support film 21 is greater than 0. That is, the third support film 23 and the first support film 21 are not in contact, and for example, the third support film 23 and the first support film 21 may be disconnected at the boundary position of the bending section 3 and the non-bending section 4.
Alternatively, as shown in fig. 2, 4 and 5, the non-bent portion 4 includes a first non-bent portion 41 and a second non-bent portion 42 located at two opposite sides of the bent portion 3; each of the first and second non-bent portions 41 and 42 includes third and fourth oppositely disposed surfaces 213 and 214.
When the folding portion 3 is in the unfolded state, as shown in fig. 5, the third surfaces 213 of the first non-folding portion 41 and the second non-folding portion 42 are located on the same plane, and the fourth surfaces 214 of the first non-folding portion 41 and the second non-folding portion 42 are located on the same plane, so that the foldable display device can be used for large-screen display, and the user experience is improved.
When the folded portion 3 is in the folded state, as shown in fig. 4, the third surfaces 213 of the first non-folded portion 41 and the second non-folded portion 42 are attached, and the distance between the fourth surfaces 214 of the first non-folded portion 41 and the second non-folded portion 42 is equal to the sum of the thicknesses of the first non-folded portion 41 and the second non-folded portion 42. That is, when the bending portion 3 is in the bending state, the first non-bending portion 41 and the second non-bending portion 42 connected to the bending portion 3 are bonded to each other, so as to avoid a gap between the first non-bending portion 41 and the second non-bending portion 42, and to design the thickness of the foldable display device to be smaller, thereby facilitating the slim design of the foldable display device.
As shown in fig. 4 and 7, the third support film 23 includes a fifth surface 215 attached to the non-bent portion 4, and a sixth surface 216 connected to the fifth surface 215 and close to the bent portion 3.
As shown in fig. 4, when the bending portion 3 is in the bending state, a stress concentration point is formed at a position D where the edge of the third support film 23 contacts the non-bending portion 4, and based on this, as shown in fig. 6 and 7, by setting the included angle θ 2 between the fifth surface 215 and the sixth surface 216 to be an obtuse angle, the embodiment of the invention can prevent a sharp acute angle from being formed between the fifth surface 215 and the sixth surface 216 on the one hand, and thus prevent the flexible display panel 1 from being damaged by the acute angle. On the other hand, by setting the included angle θ 2 between the fifth surface 215 and the sixth surface 216 of the third support film 23 to be an obtuse angle, that is, by extending the sixth surface 216 relative to the fifth surface 215 in a direction away from the non-bending portion 4, in the process of bending, for the stress concentration point D formed at the position of the flexible display panel 1 in contact with the third support film 23, the stress applied to the stress concentration point D can be relieved in a direction away from the non-bending portion 4 along the extending direction of the sixth surface 216 of the third support film 23, which is beneficial to reducing the stress concentration phenomenon at the position corresponding to the edge of the third support film 23 in the flexible display panel 1, and further improving the bending resistance of the flexible display panel 1.
Similarly, the included angle θ 2 between the fifth surface 215 and the sixth surface 216 may be set to be a rounded corner, and the principle is similar to the case of setting θ 2 to be an obtuse angle, and thus the description is omitted here.
It is to be noted that the sectional shapes of the first support film 21 and the third support film 23 shown in fig. 6, 7, and 8 are merely illustrative, and actually, the sectional shapes of the first support film 21 and the third support film 23 may be set to be other on the basis of setting the angle θ 1 between the first surface 211 and the second surface 212 to be a rounded corner or an obtuse angle, and setting the angle θ 2 between the fifth surface 215 and the sixth surface 216 to be an obtuse angle or a rounded corner.
Exemplarily, as shown in fig. 5, the flexible display panel 1 is provided with a light emitting device 5 for emitting light, and the side of the light emitting device 5 in the flexible display panel 1 is the light emitting side of the flexible display panel 1. The supporting film 2 is located on one side of the flexible display panel 1 back to the light emitting side, so that the normal display of the flexible display panel 1 is prevented from being influenced on the basis of ensuring the bending reliability of the flexible display panel 1.
Alternatively, the light emitting device may be an organic light emitting diode device, which may be disposed on the flexible substrate. The flexible substrate may be formed of an insulating material having flexibility, and for example, the flexible substrate may be formed of a polymer material such as Polyimide (PI), Polycarbonate (PC), Polyethersulfone (PES), polyethylene terephthalate (PET), or polyethylene naphthalate (PEN). Illustratively, the flexible substrate may also be transparent, translucent, or opaque.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A foldable display device, comprising:
a flexible display panel comprising a bending portion, the bending portion comprising a bending axis; the bending shaft extends along a first direction;
the supporting film comprises a first supporting film, and the first supporting film is attached to one side of the bending part; the first support film covers the center position of the bending part;
in a second direction, a distance from the first support film to a boundary of the bent portion is greater than 0; the second direction is perpendicular to the first direction;
the first support film comprises a first surface attached to the bending part and a second surface connected with the first surface;
the included angle between the first surface and the second surface is an obtuse angle, or the included angle between the first surface and the second surface is a fillet.
2. The foldable display device of claim 1,
the first support film extends in the first direction.
3. The foldable display device of claim 1,
under the same stress, the strain of the first support film is smaller than that of the flexible display panel.
4. The foldable display device of claim 1,
the bent part is symmetrical about the central line of the bent part; the first support film is symmetrical about the center line of the bending part; the central line of the bending part is a straight line passing through the central position of the bending part and extending along the first direction.
5. The foldable display device of claim 4,
the support film further comprises a plurality of second support films arranged at intervals, the second support films are overlapped with the bent parts, the second support films and the first support films are attached to the same sides of the bent parts, and the second support films are located on two sides of the first support films along the second direction; the second support film extends along the first direction and is arranged along the second direction;
along a second direction, a distance from the second support film to a boundary of the bent portion is greater than 0.
6. The foldable display device of claim 5,
the distance between the first support film and the second support film adjacent to the first support film is smaller than or equal to the distance between any two adjacent second support films.
7. The foldable display device of claim 1,
the flexible display panel further comprises a non-bending part connected with the bending part;
the support film further comprises a third support film overlapping the non-bending portion;
the minimum distance between the third support film and the first support film is greater than 0.
8. The foldable display device of claim 7, wherein the non-bending portion comprises a first non-bending portion and a second non-bending portion located at two opposite sides of the bending portion;
the first non-bending part and the second non-bending part respectively comprise a third surface and a fourth surface which are oppositely arranged;
when the bending part is in the unfolded state, the third surfaces of the first non-bending part and the second non-bending part are in the same plane, and the fourth surfaces of the first non-bending part and the second non-bending part are in the same plane;
when the bending part is in a bending state, the third surfaces of the first non-bending part and the second non-bending part are fitted, and the distance between the fourth surfaces of the first non-bending part and the second non-bending part is equal to the sum of the thicknesses of the first non-bending part and the second non-bending part.
9. The foldable display device of claim 7,
the third support film comprises a fifth surface attached to the non-bending part and a sixth surface which is connected with the fifth surface and is close to the bending part;
an included angle between the fifth surface and the sixth surface is an obtuse angle, or an included angle between the fifth surface and the sixth surface is a fillet.
10. The foldable display device of claim 1,
the support film is positioned on one side of the flexible display panel back to the light-emitting side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440288.7A CN110164309B (en) | 2019-05-24 | 2019-05-24 | Foldable display device |
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| CN201910440288.7A CN110164309B (en) | 2019-05-24 | 2019-05-24 | Foldable display device |
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| CN110164309A CN110164309A (en) | 2019-08-23 |
| CN110164309B true CN110164309B (en) | 2022-02-22 |
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| CN112700728A (en) * | 2019-10-23 | 2021-04-23 | Oppo广东移动通信有限公司 | Display module and electronic equipment |
| CN111124182B (en) * | 2019-12-25 | 2023-07-28 | Oppo广东移动通信有限公司 | Flexible screen assembly and flexible screen terminal |
| CN111081150B (en) * | 2019-12-31 | 2021-08-24 | 厦门天马微电子有限公司 | Support membrane and display device |
| CN111105716B (en) * | 2020-01-08 | 2021-09-24 | 合肥维信诺科技有限公司 | Display device |
| WO2021171807A1 (en) * | 2020-02-28 | 2021-09-02 | 住友化学株式会社 | Optical layered body and flexible image display device |
| CN111312079A (en) * | 2020-03-10 | 2020-06-19 | 京东方科技集团股份有限公司 | Flexible device |
| CN113744634A (en) * | 2020-05-29 | 2021-12-03 | 华为技术有限公司 | Display device and electronic apparatus |
| CN113936550B (en) * | 2020-06-29 | 2023-02-14 | 华为技术有限公司 | Inward folding screen electronic equipment |
| CN111739423B (en) * | 2020-06-30 | 2022-05-31 | 武汉华星光电半导体显示技术有限公司 | Support film and display module |
| CN111855437A (en) * | 2020-07-15 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Bending plate and bending device |
| CN114387875B (en) * | 2020-10-22 | 2022-11-11 | 华为技术有限公司 | Foldable cover plate assembly and manufacturing method thereof, foldable display device and manufacturing method thereof |
| CN112562514B (en) * | 2020-12-15 | 2023-03-17 | 合肥维信诺科技有限公司 | Bending structure, display device and bending jig |
| CN114973934B (en) * | 2021-02-22 | 2024-01-16 | 华为技术有限公司 | Foldable support plate, flexible screen module and foldable electronic equipment |
| CN113724596B (en) * | 2021-08-30 | 2023-06-23 | 京东方科技集团股份有限公司 | Display device, display module and folding structure |
| CN115311942B (en) * | 2022-07-22 | 2023-12-08 | 昆山国显光电有限公司 | Display module and display device |
| CN115588359A (en) * | 2022-08-31 | 2023-01-10 | 合肥维信诺科技有限公司 | Display module and display device |
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