CN110379313B - Foldable flexible display panel and foldable display device - Google Patents
Foldable flexible display panel and foldable display device Download PDFInfo
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- CN110379313B CN110379313B CN201910682217.8A CN201910682217A CN110379313B CN 110379313 B CN110379313 B CN 110379313B CN 201910682217 A CN201910682217 A CN 201910682217A CN 110379313 B CN110379313 B CN 110379313B
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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 invention provides a foldable flexible display panel, which solves the technical problem that the user experience is influenced because a flexible display screen cannot be restored to a flat state after being folded for multiple times in the prior art. According to the embodiment of the invention, the two sliding devices are respectively arranged at the two sides of the rotating shaft, when the screen body is unfolded, the two sliding devices slide towards the direction far away from the rotating shaft, so that the flexible display screen can be stretched, the flexible display screen is further flattened, and the problem that the flexible display screen cannot be restored to the flat state after being folded for multiple times is solved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a foldable flexible display panel and a foldable display device.
Background
In the prior art, after the foldable flexible display screen is bent for many times, the flexible display screen cannot be naturally restored to a flat state, and the user experience is influenced.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a foldable flexible display panel, which solves the technical problem in the prior art that the user experience is affected because the flexible display screen cannot be restored to a flat state after being folded for multiple times.
For the purpose of making the objects, technical means and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the 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.
According to an aspect of the present invention, an embodiment of the present invention provides a foldable flexible display panel, including a flexible display screen body for implementing a display function; the folding device is arranged below the non-display surface of the flexible display screen body and is used for folding or unfolding the flexible display screen body; wherein the folding device comprises: a rotating shaft; and at least one group of sliding components fixedly connected to the rotating shaft; wherein the sliding assembly comprises: one end of the first connecting piece is fixed on one side of the rotating shaft; one end of the second connecting piece is fixed on the other side of the rotating shaft; the first sliding device is fixed at the other end of the first connecting piece; the second sliding device is fixed at the other end of the second connecting piece;
wherein, through first connecting piece and the second connecting piece with the connection of pivot, first connecting piece with the second connecting piece rotates to expand during the flexible display screen, first slider and the second slider is all to keeping away from slide on the direction of pivot.
In an embodiment of the present invention, the first sliding device is a first sliding magnet, the second sliding device is a second sliding magnet, and when the first connecting piece and the second connecting piece rotate to unfold the flexible display screen, both the first sliding magnet and the second sliding magnet slide in a direction away from the rotating shaft under the action of magnetic force.
In an embodiment of the present invention, the folding device further includes: the sensor is fixed on one side, away from the flexible display screen body, of the first connecting piece or the second connecting piece and used for acquiring that the folding device unfolds or folds the flexible display screen body; and the first adjusting device is fixed on one side of the first connecting piece or the second connecting piece, which is far away from the flexible display screen body, is electrically connected with the sensor, and is used for adjusting the magnetism of the first sliding magnet and the second sliding magnet so as to enable: when the folding device unfolds the flexible display screen body, the first sliding magnet and the second sliding magnet both slide towards the direction far away from the rotating shaft; or, when the folding device folds the flexible display screen body, the first sliding magnet and the second sliding magnet both slide in the direction close to the rotating shaft.
In an embodiment of the invention, the first adjustment device is further adapted to adjust a first current through the first magnet and/or the second magnet.
In an embodiment of the present invention, the sliding assembly further includes: the first fixed magnet is arranged around the first sliding magnet and is bonded on the non-display surface of the flexible display screen; and/or at least one second fixed magnet, wherein the second fixed magnet is arranged around the second sliding magnet and is bonded on the non-display surface of the flexible display screen; when the folding device unfolds the flexible display screen body, the direction of the magnetic force generated by the first fixed magnet on the first sliding magnet is far away from the rotating shaft; and/or the magnetic force generated by the second fixed magnet on the second sliding magnet is far away from the rotating shaft.
In an embodiment of the present invention, the sliding assembly includes two first fixed magnets, which are respectively disposed on two sides of the first magnet in a direction perpendicular to the rotating shaft, and the two first fixed magnets have the same magnetism at one end close to the first sliding magnet; and/or the two second fixed magnets are respectively arranged at two sides of the second magnet in the direction vertical to the rotating shaft, and the magnetism of one end of each of the two second fixed magnets close to the second sliding magnet is the same.
In an embodiment of the present invention, the folding assembly further comprises: the second adjusting device is fixed on one side of the first connecting piece or the second connecting piece, which is far away from the flexible display screen body, electrically connected with the sensor and used for adjusting the magnetism of the first fixed magnet and/or the second fixed magnet, so that: when the folding device unfolds the flexible display screen body, the direction of the magnetic force generated by the first fixed magnet on the first magnet is far away from the rotating shaft, and/or the direction of the magnetic force generated by the second fixed magnet on the second magnet is far away from the rotating shaft; or, when the folding device folds the flexible display screen body, the direction of the magnetic force generated by the second fixed magnet to the second magnet is close to the rotating shaft and/or the direction of the magnetic force generated by the first fixed magnet to the first magnet is close to the rotating shaft.
In an embodiment of the invention, the second adjusting means is further adapted to adjust a second current through the first stationary magnet and/or the second stationary magnet.
In an embodiment of the invention, when the flexible display screen body is in the unfolded state, the first connecting piece and the second connecting piece are symmetrically arranged relative to the rotating shaft, and both the first connecting piece and the second connecting piece are perpendicular to the rotating shaft.
As another aspect of the present invention, an embodiment of the present invention provides a foldable flexible display device, including: the foldable flexible display panel is described above.
According to the foldable flexible display panel provided by the embodiment of the invention, the two sliding magnets are respectively arranged on the two sides of the rotating shaft, and when the screen body is unfolded, the two sliding magnets can repel each other, so that the two magnets are far away from each other, and the flexible display screen can be stretched, so that the flexible display screen is further flattened, and the problem that the flexible display screen cannot be restored to a flat state after the flexible display screen is folded for multiple times is solved.
Drawings
Fig. 1 is a schematic structural diagram of a foldable flexible display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 8 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 10 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention;
fig. 11 is a schematic structural diagram of a foldable flexible display panel according to another embodiment of the present invention.
Detailed Description
Just as the background art said, the flexible display screen can't resume to the level state after the display screen is folded many times among the prior art to influence user experience, inventor's research discovers, the reason that appears this kind of problem lies in that the flexible display screen is through folding the expansion many times or keep static bending back for a long time, and module material among the flexible display screen is because of fatigue property, and ordinary folding device can't stretch the module to initial level state.
Based on this, the invention provides a foldable flexible display panel, wherein two sliding magnets are respectively arranged at two sides of a rotating shaft, when a screen body is unfolded, the two sliding magnets can repel each other, so that the two magnets are far away from each other, the flexible display screen can be stretched, and the flexible display screen body is further flattened.
Specifically, the foldable flexible display panel provided by the invention comprises a flexible display screen body for realizing a display function; the folding device is arranged below the non-display surface of the flexible display screen body and is used for folding or unfolding the flexible display screen body; wherein, folding device includes: a rotating shaft; and at least one group of sliding components fixedly connected to the rotating shaft; wherein the sliding assembly comprises: one end of the first connecting piece is fixed on one side of the rotating shaft; one end of the second connecting piece is fixed on the other side of the rotating shaft; the first sliding magnet is fixed at the other end of the first connecting piece and is bonded on the non-display surface of the flexible display screen; the second sliding magnet is fixed at the other end of the second connecting piece and is bonded on the non-display surface of the flexible display screen; the first connecting piece and the second connecting piece rotate and the first sliding magnet and the second sliding magnet repel each other through the connection of the first connecting piece and the second connecting piece and the rotating shaft.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Fig. 1 is a schematic structural diagram of a foldable flexible display panel according to an embodiment of the present invention, as shown in fig. 1, including a flexible display screen body (not shown) for implementing a display function; the folding device is arranged below the non-display surface of the flexible display screen body and is used for folding or unfolding the flexible display screen body; wherein the beta structure includes: pivot 1 and fixed connection are at least a set of sliding component 2 on pivot 1, and wherein sliding component 2 includes: the display device comprises a first connecting piece 21 with one end fixed on one side of a rotating shaft 1, a second connecting piece 22 with one end fixed on the other side of the rotating shaft 1, a first sliding device 23 fixed on the other end of the first connecting piece 21, and a second sliding device 24 fixed on the other end of the second connecting piece 22, wherein the first sliding device 23 and the second sliding device 24 are both bonded on the non-display surface of the flexible display screen, and the first connecting piece 21 and the second connecting piece 22 rotate and the first sliding device 23 and the second sliding device 24 both slide towards the direction far away from the rotating shaft 1 through the connection of the first connecting piece 21 and the second connecting piece 22 and the rotating shaft 1. Through respectively setting up a slider on 1 both sides of pivot, when the screen body was at the expansion, two sliders all slide in the direction of keeping away from pivot 1 to can stretch the flexible display screen, consequently further flat flexible display screen of exhibition, the flexible display screen can't resume the problem of leveling after having avoided the flexible display screen folding many times.
It should be understood that the folding device may include the sliding assembly 2 and the specific position of the sliding assembly 2 fixed on the rotating shaft 1 may be set according to actual use conditions, for example, the folding device may include a set of sliding assemblies 2, and the sliding assembly 2 is fixed at the middle position of the rotating shaft 1, as shown in fig. 1. Also for example, the folding device includes two sets of sliding assemblies 2, wherein two sliding assemblies 2 are respectively fixed at two ends of the rotating shaft 1, as shown in fig. 2, and for example, the folding device includes three sets of sliding assemblies 2, wherein three sets of sliding assemblies 2 are uniformly fixed on the rotating shaft 1. Therefore, when the flexible display screen is unfolded, both the slidable devices in the sliding assembly 2 slide in the direction away from the rotating shaft 1, so as to flatten the flexible display screen.
In an embodiment of the present invention, the first connecting element 21 and the second connecting element 22 are retractable connecting elements, and the specific retractable manner can be selected according to the actual application, for example, the first connecting element 21 and the second connecting element 22 are both springs. Or, for example, the first connecting member 21 and the second connecting member 22 are both telescopic rods. Or, for example, the first connecting member 21 is a spring and the second connecting member 22 is a telescopic rod. Therefore, the present invention is not limited to the specific telescopic form of the first connecting member 21 and the second connecting member 22 as long as the first connecting member 21 and the second connecting member 22 can be telescopic to enable the first sliding device 23 and the second sliding device 24 to slide.
In an embodiment of the present invention, the shapes of the first connecting element 21 and the second connecting element 22 may be selected according to an actual application scenario, for example, the first connecting element 21 and the second connecting element 22 are both rectangular, as shown in fig. 1, or L-shaped, as shown in fig. 3. The specific shape of the first connecting member 21 and the second connecting member 22 is not limited in the embodiment of the present invention as long as the first connecting member 21 and the second connecting member 22 can drive the first sliding device 23 and the second sliding device 24 to slide.
In another embodiment of the present invention, when the flexible display screen body is in the unfolded state, the first connecting member 21 and the second connecting member 22 in the sliding assembly 2 are symmetrically arranged with respect to the rotating shaft 1, and both the first connecting member 21 and the second connecting member 22 are perpendicular to the rotating shaft 1, as shown in fig. 2, when the flexible display screen body is unfolded, both the first sliding device 23 fixed on the first connecting member 21 and the second sliding device 24 fixed on the second connecting member 22 slide along the direction away from the rotating shaft 1, so that when the flexible display screen body is unfolded, the flexible display screen body can be more easily and comprehensively unfolded, and the problem that the flexible display screen cannot be restored to the flat state after the flexible display screen body is folded for multiple times is avoided.
In an embodiment of the present invention, the first sliding device 23 is a first sliding magnet 231, the second sliding device 24 is a second sliding magnet 241, the magnets are energized to make the magnets have magnetism, and then the first sliding magnet 231 and the second sliding magnet 241 are charged according to the principle that the magnets repel each other with the same polarity and attract each other with different polarities, so that the magnetic force applied to the first sliding magnet 231 is F1, the magnetic force applied to the second sliding magnet 241 is F2, and the directions of F1 and F2 are both away from the rotating shaft 1, and under the action of F1 and F2, the first sliding magnet 231 and the second sliding magnet 241 both slide away from the rotating shaft 1. As shown in fig. 4. Therefore, the embodiment of the present invention can use the simplest structure to realize that the directions of the magnetic forces applied to the first sliding device 23 and the second sliding device 24 are both directions away from the rotating shaft 1, so that both the first sliding device and the second sliding device 24 slide in the directions away from the rotating shaft 1 under the action of their respective magnetic forces, thereby flattening the flexible display screen body.
As to how the magnetism between the first sliding magnet 231 and the second sliding magnet 241 is distributed, the first sliding magnet 231 and the second sliding magnet 241 repel each other when the flexible display screen is unfolded, and how the magnetism between the first sliding magnet 231 and the second sliding magnet 241 is distributed may be selected according to practical application scenarios, for example: the magnetism of one end of the first sliding magnet 231 close to the rotating shaft 1 is a negative pole, and the magnetism of one end of the first sliding magnet 231 far away from the rotating shaft 1 is a positive pole; the magnetic property of the second sliding magnet 241 near the end of the rotating shaft 1 is negative, and the magnetic property of the first sliding magnet 231 far from the end of the rotating shaft 1 is positive, as shown in fig. 3. The method can also comprise the following steps: the magnetism of one end of the first sliding magnet 231 close to the rotating shaft 1 is a positive pole, and the magnetism of one end of the first sliding magnet 231 far away from the rotating shaft 1 is a negative pole; the magnetic property of the second sliding magnet 241 near the end of the rotating shaft 1 is positive, and the magnetic property of the first sliding magnet 231 far from the end of the rotating shaft 1 is negative, as shown in fig. 5.
In a further embodiment of the present invention, the folding device further includes a sensor 3 and a first adjusting device 4, wherein the sensor 3 is fixed on a side of the first connecting member 21 or the second connecting member 22 away from the flexible display screen body, for obtaining that the folding device unfolds or folds the flexible display screen body, that is, the first connecting member 21 and the second connecting member 22 unfold or fold the flexible display screen body with respect to the rotating shaft 1; the first adjusting device 4 is fixed on a side of the first connector 21 or the second connector 22 away from the flexible display screen body and electrically connected to the sensor 3, and is used for adjusting magnetism of the first sliding magnet 231 and the second sliding magnet 241, so that: when the folding device unfolds the flexible display screen body, that is, when the first connecting piece 21 and the second connecting piece 22 unfold the flexible display screen body relative to the rotating shaft 1, both the first sliding magnet 231 and the second sliding magnet 241 slide in the direction away from the rotating shaft 1; or, when the folding device folds the flexible display screen body, that is, when the first connector 21 and the second connector 22 fold the flexible display screen body with respect to the rotating shaft 1, both the first sliding magnet 231 and the second sliding magnet 241 slide in a direction approaching to the rotating shaft 1. For example, when the folding device folds the flexible display screen body, i.e. the first connector 21 and the second connector 22 fold the flexible display screen body with respect to the rotation shaft 1, the magnetism of the first sliding magnet 231 and the second sliding magnet 241 is adjusted to: the magnetism of one end of the first sliding magnet 231 close to the rotating shaft 1 is a positive pole, and the magnetism of one end of the first sliding magnet 231 far away from the rotating shaft 1 is a negative pole; the magnetic property of the second sliding magnet 241 close to the end of the rotating shaft 1 is negative, the magnetic property of the first sliding magnet 231 far from the end of the rotating shaft 1 is positive, and the directions of the magnetic force F3 received by the first sliding magnet 231 and the magnetic force F4 received by the second sliding magnet 241 are both close to the rotating shaft 1, as shown in fig. 6, therefore, under the action of F3 and F4, the first sliding magnet 231 and the second sliding magnet 241 both slide towards the direction close to the rotating shaft 1, and the shear stress generated in the folding process can be released.
In another further embodiment of the present invention, the first adjusting device 4 is further configured to adjust a first current passing through the first sliding magnet 231 and/or the second sliding magnet 241, and by adjusting the first current, the magnetic force between the first sliding magnet 231 and the second sliding magnet 241 can be adjusted, and the flatness of the flexible display screen can be dynamically adjusted according to the degree of unevenness when the flexible display screen is unfolded, for example, when the unevenness intersects with the bottom after the flexible display screen is unfolded, a smaller flattening force, that is, a smaller current is required.
In an embodiment of the present invention, the sliding assembly 2 further includes at least one first fixed magnet 251, wherein the first fixed magnet 251 is disposed around the first sliding magnet 231, and the first fixed magnet 251 is adhered to the non-display surface of the flexible display screen; when the folding device unfolds the flexible display screen body, that is, when the first connecting member 21 and the second connecting member 22 rotate to unfold the flexible display screen body relative to the rotating shaft 1, the first fixed magnet 251 and the first sliding magnet 231 attract each other, that is, the magnetic force direction generated by the first fixed magnet 251 to the first sliding magnet 231 is away from the rotating shaft 1. In the embodiment of the present invention, the first fixed magnet 251 is disposed around the first sliding magnet 231, when the flexible display screen is unfolded, since the magnetic force generated by the first fixed magnet 251 to the first sliding magnet 231 is far away from the rotating shaft 1, the force F5 applied to the first sliding magnet 231 includes the force applied by the first fixed magnet 251 to the first sliding magnet 231 and the magnetic force applied by the second sliding magnet 241 to the first sliding magnet 231, as shown in fig. 7, therefore, the force F5 applied to the first sliding magnet 231 is greater, and under the action of F5, the first sliding magnet 231 slides away from the rotating shaft 1 at a faster speed and slides a longer distance, so that the flexible display screen can be maximally flattened.
In another embodiment of the present invention, the sliding assembly 2 further comprises at least one second fixed magnet 261, wherein the second fixed magnet 261 is disposed around the second sliding magnet 241, and the second fixed magnet 261 is adhered to the non-display surface of the flexible display screen; when the folding device unfolds the flexible display screen body, that is, when the first connecting piece 21 and the second connecting piece 22 rotate to unfold the flexible display screen body relative to the rotating shaft 1, the second fixed magnet 261 and the second sliding magnet 241 attract each other, that is, the direction of the magnetic force generated by the second fixed magnet 261 to the second sliding magnet 241 is away from the rotating shaft 1. By arranging the second fixed magnet 261 around the second sliding magnet 241, when the flexible display screen is unfolded, because the magnetic force generated by the second fixed magnet 261 on the second sliding magnet 241 is far away from the rotating shaft 1, the force F6 applied to the second sliding magnet 241 includes both the force applied to the second sliding magnet 241 by the second fixed magnet 261 and the magnetic force applied to the second sliding magnet 241 by the first sliding magnet 231, as shown in fig. 8, therefore, the force F6 applied to the second sliding magnet 241 is greater, and under the action of F6, the speed of sliding the second sliding magnet 241 away from the rotating shaft 1 is faster and the distance of sliding is longer, so that the flexible display screen can be maximally flattened.
In another embodiment of the present invention, the sliding assembly 2 includes both the first fixed magnet 251 and the second fixed magnet 261, as shown in fig. 9, so that the magnetic force applied to both the first sliding magnet 231 and the second sliding magnet 241 is greater, and the flexible display screens on both sides of the rotating shaft 1 can be substantially flattened when the flexible display screens are unfolded.
In another embodiment of the present invention, the sliding assembly 2 includes two first fixed magnets 251 and two second fixed magnets 261, wherein the first fixed magnets 251 are respectively disposed on two sides of the first sliding magnet 231 in a direction perpendicular to the rotation axis, and the magnetic properties of the two first fixed magnets 251 near one end of the first sliding magnet 231 are the same; two second fixed magnets 261 are respectively disposed at both ends of the second sliding magnet 241, and the magnetic properties of the ends of the two second fixed magnets 261 close to the second sliding magnet 241 are the same. As shown in fig. 10. The first slide magnet 231 is subjected to a magnetic force F7 equal to the sum of the magnetic force of one first fixed magnet 251 provided at the left end of the first slide magnet 231 with respect to the first slide magnet 231, the magnetic force of one first fixed magnet 251 provided at the right end of the first slide magnet 231 with respect to the first slide magnet 231, and the force of the second slide magnet 241 with respect to the first slide magnet 231. The second slide magnet 241 is subjected to a magnetic force F8 equal to the sum of the magnetic force of one second fixed magnet 261 provided at the left end of the second slide magnet 241 with respect to the second slide magnet 241, the magnetic force of one second fixed magnet 261 provided at the right end of the second slide magnet 241 with respect to the second slide magnet 241, and the force of the first slide magnet 231 with respect to the second slide magnet 241. Therefore, the magnetic force applied to the first sliding magnet 231 and the second sliding magnet 241 is greater, and when the flexible display screen is unfolded, the flexible display screens on both sides of the rotating shaft 1 can be more fully flattened.
In another embodiment of the present invention, the sliding assembly 2 comprises both the first fixed magnet 251 and the second fixed magnet 261, and the folding device further comprises a second adjusting device 5 fixed on a side of the first connector 21 or the second connector 22 away from the flexible display screen body and electrically connected to the sensor 3, as shown in fig. 11. For adjusting the magnetism of the first and second fixed magnets 251 and 261 such that: when the folding device folds the flexible display screen body, that is, the first connecting piece 21 and the second connecting piece 22 fold the flexible display screen body relative to the rotating shaft 1, the direction of the magnetic force generated by the second fixed magnet 261 to the second magnet is close to the rotating shaft 1, and the direction of the magnetic force generated by the first fixed magnet 251 to the first magnet is close to the rotating shaft 1. When the flexible display screen is folded, the magnetic force applied to the first sliding magnet 231 includes not only the magnetic force of the second sliding magnet 241 to the first sliding magnet 231 but also the magnetic force generated by the first fixed magnet 251 to the first sliding magnet 231, so that the received magnetic force is larger, the sliding speed of the first sliding magnet 231 is larger, and the sliding distance is farther, and therefore, when the flexible display screen is folded, the shearing stress can be released more. Similarly, the magnetic force applied to the second sliding magnet 241 includes not only the magnetic force of the first sliding magnet 231 to the second sliding magnet 241 but also the magnetic force generated by the second fixed magnet 261 to the second sliding magnet 241, so that the received magnetic force is larger, and the sliding speed of the second sliding magnet 241 is larger, and the sliding distance is farther, so that when the flexible display screen is folded, the shearing stress can be released more.
In a further embodiment of the present invention, the second adjusting device 5 is further configured to adjust a second current passing through the first fixed magnet 251 and/or the second fixed magnet 261, and by adjusting the current, a magnetic force between the first fixed magnet 231 and the first sliding magnet 231 and a magnetic force between the second fixed magnet 261 and the second sliding magnet 241 can be adjusted, so that the flatness of the flexible display screen can be dynamically adjusted according to the degree of unevenness when the flexible display screen is unfolded, for example, when the unevenness of the flexible display screen is crossed, a smaller flattening force, that is, a smaller current is required.
It should be understood that, as described above, when both the first and second adjusting means 4 and 5 are included in the folding apparatus, when the magnetic force received by the first and second sliding magnets 231 and 241 is adjusted according to the degree of unevenness when the flexible display screen is unfolded, the first current flowing between the first and second sliding magnets 231 and 241 may be adjusted only by the first adjusting means 4. The second current flowing between the first fixed magnet 251 and the second fixed magnet 261 may be adjusted only by adjusting the second adjusting device 5. It is also possible to adjust both the second current flowing between the first fixed magnet 251 and the second fixed magnet 261 by adjusting the second adjusting device 5 and the first current flowing between the first sliding magnet 231 and the second sliding magnet 241 by adjusting the first adjusting device 4. Therefore, the embodiment of the present invention is not limited to a specific adjustment manner as long as the magnetic force received by the first sliding magnet 231 and the second sliding magnet 241 can be dynamically adjusted.
As described above, the folding device may include one or more sliding members 2. The sliding assembly 2 may include only the first sliding magnet 231 and the second sliding magnet 241; and may also include a first sliding magnet 231, a second sliding magnet 241, at least one first fixed magnet 251 disposed around the first sliding magnet 231, and at least one second fixed magnet 261 disposed around the second sliding magnet 241. The folding device may also comprise first adjustment means 4; when the sliding assembly 2 includes the first fixed magnet 251 and the second fixed magnet 261, the folding device may further include the second adjusting device 5. Therefore, the number of the sliding assemblies 2 in the folding device in the embodiment of the present invention, the specific components included in the sliding assemblies 2, and whether the first adjusting device 4 and the second adjusting device 5 are included can be selected according to the actual application scenario.
As another aspect of the present invention, an embodiment of the present invention further provides a foldable flexible display device, including the foldable flexible display panel described above. According to the foldable flexible display device provided by the embodiment of the invention, the two sliding devices are respectively arranged on the two sides of the rotating shaft 1, when the screen body is unfolded, the two sliding devices slide in the direction away from the rotating shaft 1, so that the flexible display screen can be stretched, the flexible display screen is further flattened, and the problem that the flexible display screen cannot be restored to a flat state after the flexible display screen is folded for multiple times is solved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents and the like included in the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A foldable flexible display panel, comprising:
the flexible display screen body is used for realizing a display function; and the number of the first and second groups,
the folding device is arranged below the non-display surface of the flexible display screen body and is used for folding or unfolding the flexible display screen body;
wherein the folding device comprises:
a rotating shaft; and the number of the first and second groups,
at least one group of sliding components fixedly connected to the rotating shaft;
wherein the sliding assembly comprises:
one end of the first connecting piece is fixed on one side of the rotating shaft;
one end of the second connecting piece is fixed on the other side of the rotating shaft;
the first sliding magnet is fixed at the other end of the first connecting piece and is fixed with the display panel; and the number of the first and second groups,
the second sliding magnet is fixed at the other end of the second connecting piece and is fixed with the display panel;
when the first connecting piece and the second connecting piece rotate to unfold the flexible display screen, the first sliding magnet and the second sliding magnet both slide in the direction away from the rotating shaft under the action of magnetic force; when the first connecting piece and the second connecting piece rotate to fold the flexible display screen, the first sliding magnet and the second sliding magnet slide towards the direction close to the rotating shaft under the action of magnetic force;
the foldable flexible display panel further comprises a sensor for acquiring that the folding device unfolds or folds the flexible display screen body;
a first adjusting means for adjusting a magnitude of a first current passing through the first sliding magnet and/or the second sliding magnet according to a degree of unevenness when the flexible display screen is unfolded, and,
adjusting a direction of a first current through the first sliding magnet and/or the second sliding magnet according to the unfolding or folding of the flexible display screen body by the folding device.
2. Foldable flexible display panel according to claim 1, wherein said sliding assembly further comprises:
the first fixed magnet is arranged around the first sliding magnet and is bonded on the non-display surface of the flexible display screen; and/or the presence of a gas in the gas,
the second fixed magnet is arranged around the second sliding magnet and is bonded on the non-display surface of the flexible display screen;
wherein when the folding device unfolds the flexible display screen body,
the direction of the magnetic force generated by the first fixed magnet on the first sliding magnet is far away from the rotating shaft; and/or the presence of a gas in the gas,
the direction of the magnetic force generated by the second fixed magnet on the second sliding magnet is far away from the rotating shaft.
3. Foldable flexible display panel according to claim 2, wherein said sliding assembly comprises:
the two first fixed magnets are respectively arranged on two sides of the first sliding magnet in the direction vertical to the rotating shaft, and the magnetism of one ends, close to the first sliding magnet, of the two first fixed magnets is the same; and/or the presence of a gas in the gas,
and the two second fixed magnets are respectively arranged at two sides of the second sliding magnet in the direction vertical to the rotating shaft, and the magnetism of one end of each of the two second fixed magnets close to the second sliding magnet is the same.
4. Foldable flexible display panel according to claim 2, characterized in further comprising:
the second adjusting device is fixed on one side of the first connecting piece or the second connecting piece, which is far away from the flexible display screen body, electrically connected with the sensor and used for adjusting the magnetism of the first fixed magnet and/or the second fixed magnet, so that:
when the folding device unfolds the flexible display screen body, the direction of the magnetic force generated by the first fixed magnet on the first sliding magnet is far away from the rotating shaft, and/or the direction of the magnetic force generated by the second fixed magnet on the second sliding magnet is far away from the rotating shaft; or the like, or, alternatively,
when the folding device folds the flexible display screen body, the direction of the magnetic force generated by the second fixed magnet on the second sliding magnet is close to the rotating shaft and/or the direction of the magnetic force generated by the first fixed magnet on the first sliding magnet is close to the rotating shaft.
5. Foldable flexible display panel according to claim 4,
the second adjusting device is further used for adjusting a second current passing through the first fixed magnet and/or the second fixed magnet.
6. Foldable flexible display panel according to claim 1, wherein when said flexible display screen body is in an unfolded state, said first connecting member and said second connecting member are symmetrically arranged with respect to said rotation axis and said first connecting member and said second connecting member are perpendicular to said rotation axis.
7. Foldable flexible display device, comprising:
foldable flexible display panel according to any one of claims 1 to 6.
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| CN111343310B (en) * | 2020-03-06 | 2021-04-20 | 昆山工研院新型平板显示技术中心有限公司 | Display device and mobile terminal |
| CN111724685B (en) * | 2020-06-28 | 2022-05-17 | Oppo广东移动通信有限公司 | Display device |
| CN114203051B (en) * | 2021-12-28 | 2022-11-04 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN116414185B (en) * | 2021-12-29 | 2024-03-12 | 荣耀终端有限公司 | Foldable electronic device |
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| KR101911047B1 (en) * | 2012-07-25 | 2018-10-24 | 삼성디스플레이 주식회사 | Case and display device |
| KR102574183B1 (en) * | 2016-08-19 | 2023-09-05 | 삼성전자주식회사 | Electronic apparatus and method for controlling display |
| CN106910427B (en) * | 2017-02-23 | 2019-11-22 | 武汉华星光电技术有限公司 | A kind of open and flat method of display and its flexible display screen |
| CN108269499B (en) * | 2018-01-11 | 2020-07-03 | 惠州市华星光电技术有限公司 | Display device and electronic apparatus |
| CN109036142B (en) * | 2018-08-30 | 2023-02-17 | 京东方科技集团股份有限公司 | Folding display device and control method of folding display device |
| CN109192070B (en) * | 2018-09-30 | 2020-07-24 | 联想(北京)有限公司 | Flexible display device |
| CN209105227U (en) * | 2018-10-31 | 2019-07-12 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN109951581B (en) * | 2019-02-27 | 2021-01-15 | 武汉华星光电半导体显示技术有限公司 | High-temperature screen protection device and method suitable for folding mobile terminal |
| CN209674772U (en) * | 2019-03-25 | 2019-11-22 | 云谷（固安）科技有限公司 | A kind of flexible display apparatus |
| CN110010008A (en) * | 2019-04-26 | 2019-07-12 | 拓米(成都)应用技术研究院有限公司 | A kind of interior folding linkage suitable for showing equipment |
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