CN109920333B - Flexible display device and display control method of flexible display device - Google Patents
Flexible display device and display control method of flexible display device Download PDFInfo
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Abstract
The invention provides a flexible display device and a display control method of the flexible display device, and relates to the technical field of display. The flexible display device includes: the elastic supporting mechanism comprises an accommodating groove; the flexible display panel comprises a single-side edge, and the single-side edge can be clamped in the containing groove in a sliding mode. In the embodiment of the invention, the edge of one side of the flexible display panel can be slidably clamped in the accommodating groove of the elastic supporting mechanism, so that the bending and the flattening of the flexible display panel are controlled by the elastic supporting mechanism, and the wearing and the large-size display use of the flexible display device are further realized.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display device and a display control method of the flexible display device.
Background
With the development of flexible display technology, flexible display devices that can be bent and unfolded are increasingly favored by the market.
Therefore, it is an urgent need to develop a foldable and unfoldable flexible display device.
Disclosure of Invention
In view of the above, embodiments of the present invention are directed to a flexible display device and a display control method of the flexible display device, so as to solve the problem in the prior art that a flexible display device that is bendable and unfoldable needs to be developed.
An aspect of the present invention provides a flexible display device including: the elastic supporting mechanism comprises an accommodating groove; the flexible display panel comprises a single-side edge, and the single-side edge can be clamped in the containing groove in a sliding mode.
In an embodiment of the invention, a slider is arranged on one side edge of the flexible display panel, and the one side edge is slidably clamped in the accommodating groove through the slider.
In one embodiment of the invention, the single-sided edge comprises an upper surface edge and a lower surface edge, and the upper surface edge and the lower surface edge are both provided with sliding blocks.
In one embodiment of the invention, the number of the sliding blocks is multiple, and the sliding blocks are arranged at equal intervals along the extending direction of the edge of the single side.
In one embodiment of the invention, the accommodating groove comprises two blocking parts which are oppositely arranged, and the single-side edge can be slidably clamped in the area between the two blocking parts of the accommodating groove.
In one embodiment of the invention, the flexible display panel comprises two docking edges connected to the single-sided edge, the two docking edges being provided with magnets of opposite polarity.
In an embodiment of the invention, the elastic support mechanism includes two opposite accommodating grooves, and the flexible display panel includes two opposite single-side edges, and the two single-side edges are respectively clamped in one of the accommodating grooves.
In one embodiment of the present invention, the flexible display device further includes a detection module for detecting a degree of bending of the flexible panel.
Another aspect of the present invention provides a display control method for a flexible display device, applied to any one of the flexible display devices, including: detecting the bending degree of the flexible panel; and when the bending degree of the flexible display panel exceeds a preset bending degree threshold value, controlling the flexible display panel to display only in a preset area.
In an embodiment of the present invention, the step of controlling the flexible panel to display only in a preset area specifically includes: the flexible panel is controlled to only have a preset area to display preset content, and the preset content comprises at least one of time, step number, weather condition and message reminding.
In the embodiment of the invention, the edge of one side of the flexible display panel can be slidably clamped in the accommodating groove of the elastic supporting mechanism, so that the bending and the flattening of the flexible display panel are controlled by the elastic supporting mechanism, and the wearing and the large-size display use of the flexible display device are further realized.
Drawings
Fig. 1 is a schematic structural view of a flexible display device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an elastic support mechanism according to an embodiment of the present invention.
FIG. 3 is a schematic block diagram of a slider according to one embodiment of the present invention.
Fig. 4 is a schematic block diagram of a display area of a flexible display device in a bent state according to an embodiment of the present invention.
Fig. 5a is a schematic block diagram of a flexible display device according to another embodiment of the present invention.
Fig. 5b is a schematic block diagram of a flexible display device in a bent state according to another embodiment of the present invention.
Fig. 6 is a flowchart illustrating a display control method of a flexible display device according to an embodiment of the present invention.
The reference numbers in the above figures are as follows: the flexible display panel comprises a flexible display panel 1, a first surface 11, a second surface 12, an elastic supporting mechanism 2, a first supporting elastic sheet 21, a first accommodating groove 211, a first slider 212, a second supporting elastic sheet 22, a second accommodating groove 221, a second slider 222, a blocking part 3, a middle third area 4, a first magnetic part 51 and a second magnetic part 52.
Detailed Description
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.
Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Fig. 1 is a schematic structural view of a flexible display device according to an embodiment of the present invention.
According to an embodiment of the present invention, as shown in fig. 1, a flexible display device may include: the elastic supporting mechanism 2 comprises a containing groove; the flexible display panel 1 comprises a single-side edge, and the single-side edge can be slidably clamped in the accommodating groove.
In particular, the flexible display panel 1 may include a first surface 11 and a second surface 12 that are oppositely disposed, and the first surface 11 and the second surface 12 may also be referred to as an upper surface and a lower surface. The single-sided edge of the flexible display panel 1 may include one or more of an edge of the upper surface, an edge of the lower surface, or a peripheral edge. By way of example of the edge of the upper surface, the term "edge" as used herein is intended to broadly refer to a region extending from the seam line joining the upper surface and the periphery toward the center of the upper surface, and may be, for example, a sub-region of the upper surface from which a single side begins.
The flexible display device may be a flexible display device, wherein the display technology of the flexible display device may be based on Organic Light Emitting Diode (OLED) technology or Active Matrix Organic Light Emitting Diode (AMOLED) technology, and the display technology adopted by the flexible display device is not limited herein.
In the embodiment of the invention, the edge of one side of the flexible display panel 1 can be slidably clamped in the accommodating groove of the elastic supporting mechanism 2, so that the bending and the flattening of the flexible display panel are controlled by the elastic supporting mechanism, and the wearing and the large-size display use of the flexible display device are further realized.
In an embodiment of the present invention, a slider is disposed on a single side edge of the flexible display panel 1, and the single side edge is slidably held in the receiving groove by the slider.
Specifically, the edge of one side of the flexible display panel 1 is slidably held in the accommodating groove by the slider, so that the flexible display panel 1 is prevented from being damaged when sliding in the accommodating groove.
Preferably, the number of the sliding blocks can be multiple, and the multiple sliding blocks can be arranged at equal intervals along the extending direction of the edge of the single side.
Fig. 2 is a schematic structural view of an elastic support mechanism according to an embodiment of the present invention. FIG. 3 is a schematic block diagram of a slider according to one embodiment of the present invention.
In one embodiment of the present invention, as shown in fig. 1 to 3, the single-side edge may include an upper surface (i.e., first surface 11) edge and a lower surface (i.e., second surface 12) edge, and the upper surface edge and/or the lower surface edge may be provided with a slider. In an embodiment of the present invention, as shown in fig. 1 to 3, the elastic supporting mechanism 2 may include two opposite receiving slots, and the flexible display panel 1 includes two opposite single-side edges, and the two single-side edges are respectively clamped in one receiving slot.
In particular, the flexible display panel 1 may comprise a first surface 11 and a second surface 12 arranged opposite. The flexible display device may include at least one set of elastic support mechanisms 2, and the elastic support mechanisms 2 may include a first support elastic sheet 21 and a second support elastic sheet 22 which are oppositely disposed. The first supporting elastic sheet 21 and the second supporting elastic sheet 22 may be provided with receiving grooves, and the flexible display panel 1 may be disposed between the first supporting elastic sheet 21 and the second supporting elastic sheet 22 of the elastic supporting mechanism 2, so that the slider on the edge of the upper surface of the flexible display panel 1 may be held in the first receiving groove 211, and the slider on the edge of the lower surface of the flexible display panel 1 may be held in the second receiving groove 221. For the sake of convenience of distinction, the slider retained in the first receiving groove 211 may be referred to as a first slider 212, and the slider retained in the second receiving groove 221 may be referred to as a second slider 222.
The flexible display panel 1 and the first supporting elastic sheet 21 and the second supporting elastic sheet 22 can be slidably connected through the matching of the sliding block and the accommodating groove. Here, the first slider 212 may be embedded in the first receiving groove 211, that is, the first slider 212 cannot fall off the first receiving groove 211 along a direction perpendicular to the first supporting spring 21; the first slider 212 can also fall off the first receiving cavity 211 along a direction perpendicular to the first supporting elastic sheet 21, but since the first supporting elastic sheet 21 and the second supporting elastic sheet 22 are fixedly connected, the flexible display panel 1 is sandwiched between the first supporting elastic sheet 21 and the second supporting elastic sheet 22, and therefore the first slider 212 cannot fall off the first receiving cavity 211 along a direction perpendicular to the first supporting elastic sheet 21. Similarly, the same applies to the second receiving groove 221 and the second slider 222.
Further, since the flexible display screen 1 is disposed between the first supporting elastic sheet 21 and the second supporting elastic sheet 22 of the deformation supporting mechanism 2, the orthographic projections of the first supporting elastic sheet 21 and the second supporting elastic sheet 22 on the flexible display screen 1 can cover the display area of the flexible display screen 1, and can also cover the non-display area of the flexible display screen 1. Specifically, when the orthographic projection of the first support elastic sheet 21 and the second support elastic sheet 22 on the flexible display screen 1 covers the display area of the flexible display screen 1, the first support elastic sheet 21 and/or the second support elastic sheet 22 may be transparent, so that a user may see the content displayed in the display area covered by the orthographic projection through the first support elastic sheet 21 and/or the second support elastic sheet 22. When the orthographic projection of the first supporting elastic sheet 21 and the second supporting elastic sheet 22 on the flexible display screen 1 covers the non-display area of the flexible display screen 1, the first supporting elastic sheet 21 and/or the second supporting elastic sheet 22 may be transparent or non-transparent, and here, no limitation is made on whether the first supporting elastic sheet 21 and/or the second supporting elastic sheet 22 are transparent or not.
In addition, the first supporting elastic sheet 21 and the second supporting elastic sheet 22 may be sheet-shaped plates with elasticity, and the material used for the first supporting elastic sheet 21 and/or the second supporting elastic sheet 22 may be metal, such as titanium alloy, iron-carbon alloy, and the like, or may be high polymer, such as rubber, crystalline high polymer with hard elasticity, and the like, and the material used for the first supporting elastic sheet 21 and/or the second supporting elastic sheet 22 is not limited herein.
When the flexible display device is bent, the first supporting elastic sheet 21 can be pressed first, the flexible display panel 1 can begin to bend under the pressure action of the first supporting elastic sheet 21, then the second supporting elastic sheet 22 can begin to bend under the pressure action of the flexible display panel 1, and then the control of the elastic supporting mechanism 2 on the bending of the flexible display panel 1 is realized. Similarly, the same is true when the second supporting spring 22 starts to bend first. Here, in order to satisfy that the above bending process can be smoothly performed, the first supporting elastic sheet 21 and the second supporting elastic sheet 22 may be fixedly connected, or may be detachably and fixedly connected, for example, one end of the first supporting elastic sheet 21 and the end of the second supporting elastic sheet 22, which have the same orientation, may be detachably and fixedly connected by a rotating buckle fixed on the first supporting elastic sheet 21 or the second supporting elastic sheet 22, and one end of the first supporting elastic sheet 21 and the end of the second supporting elastic sheet 22, which have the same orientation, may be fixedly connected by welding to form a frame, where the connection relationship between the first supporting elastic sheet 21 and the second supporting elastic sheet 22 and the implementation manner of the connection relationship are not limited.
Correspondingly, when the flexible display device is restored to the flat state from the bending state, the restoration of the first supporting elastic sheet 21 or the second supporting elastic sheet 22 can drive the restoration of the flexible display panel 1, and then the restoration of the flexible display panel 1 drives the restoration of the second supporting elastic sheet 22 or the first supporting elastic sheet 21, so that the control of the elastic supporting mechanism 2 on the flat state of the flexible display panel 1 is realized.
Furthermore, since the first supporting elastic sheet 21 and the second supporting elastic sheet 22 have good flatness in the flat state, an acting force which makes the flexible display panel 1 tend to be flat can be generated on the flexible display panel 1, and the flatness of the flexible display panel 1 is further ensured.
It should be understood that when the first supporting elastic sheet 21 and the second supporting elastic sheet 22 can be elastically deformed, the lengths of the first supporting elastic sheet 21 and the second supporting elastic sheet 22 can be automatically adjusted, so that the flexible display device can be suitable for different application conditions. For example, when the flexible display device is used as a bracelet, the first supporting elastic sheet 21 and the second supporting elastic sheet 22 can be elastically deformed according to the wrist size of the user, so that users with different wrist sizes can wear the flexible display device.
The flexible display panel 1 may be rectangular, and in order to bend the flexible display device into a bracelet, the one-side edge corresponding to the long edge of the flexible display panel 1 is bent, so that the flexible display panel 1 is bent along the long edge, and in order to avoid the influence of the elastic support mechanism 2 on the display area of the flexible display panel 1 as much as possible, the elastic support mechanism 2 may be disposed at the one-side edge where the long edge of the flexible display panel 1 is located. In order to ensure that the flexible display device can be stressed uniformly in the bending process, the number of the elastic supporting mechanisms 2 can be two, and the elastic supporting mechanisms can be respectively arranged on two single-side edges corresponding to the long edges of the flexible display panel 1, so that the influence of the two groups of elastic supporting mechanisms 2 on the display area of the flexible display panel 1 can be minimized, and the flexible display device is simple and attractive in structure.
Due to the matching of the sliding block and the accommodating groove, the flexible display panel 1 can be connected with the first supporting elastic sheet 21 and the second supporting elastic sheet 22 in a sliding manner, and the sliding contact surface is located on the sliding block, so that the damage to the flexible display panel 1 caused by sliding is avoided, and the service life of the flexible display panel 1 is further ensured. When the slide block is stressed, the slide block can slide in the accommodating groove along the stressed direction. When the slide block is not stressed, the relative position of the slide block and the accommodating groove is kept unchanged.
According to the embodiment of the invention, the elastic support mechanisms 2 comprising the first support elastic sheet 21 and the second support elastic sheet 22 are arranged on the two sides of the first surface 11 and the second surface 12 of the flexible display panel 1 of the flexible display device, so that the flexible display panel 1 is controlled to bend and unfold through the elastic support mechanisms 2, and the flexible display device is convenient to wear and use.
In another embodiment of the present invention, the receiving groove comprises two blocking portions 3 arranged oppositely, and the single-side edge is slidably clamped in the area between the two blocking portions 3 of the receiving groove.
Specifically, as shown in fig. 2 and 3, the first receiving groove 211 and/or the second receiving groove 221 are fixedly provided with the blocking portion 3 at both ends in the sliding direction. In order to prevent the first slider 212 from sliding out of the first receiving groove 211 and/or the second slider 222 from sliding out of the second receiving groove 221 along the sliding direction and to limit the sliding displacement of the flexible display panel 1 on the first supporting elastic sheet 21 and the second supporting elastic sheet 22, the two ends of the first receiving groove 211 and/or the second receiving groove 221 along the sliding direction may be fixedly provided with the blocking portions 3.
Fig. 4 is a schematic block diagram of a display area of a flexible display device in a bent state according to an embodiment of the present invention.
In one embodiment of the present invention, the flexible display device further includes a detection module for detecting a degree of bending of the flexible panel.
Specifically, the detection module may include a bending sensor for sensing a bending change of the flexible display device; and a controller electrically connected to the bend sensor, configured to: receiving a bending signal output by a bending sensor; and according to the bending signal, the display area on the tension side of the flexible display panel 1 is shrunk to a preset area, wherein the display area is positioned on the first surface 11 or the second surface 12 of the flexible display panel 1. Preferably, the preset area may be the middle third area 4 of the display area.
Specifically, in the process of bending the flexible display device, one of the first surface 11 and the second surface 12 of the flexible display panel 1 is on the side in tension, and the other surface is on the side in compression. The side of the flexible display panel 1 that is pulled up is convex and can continue to be used for display so that the user can view the display.
Further, in order to facilitate viewing of the display contents, the display area may be condensed onto a partial area of the display area when the flexible display panel 1 is in a flat state. For example, when the flexible display device is bent to implement the function of a watch, preferably, when the flexible display device is bent, under the action of the controller, the display area on the pulled side of the flexible display panel 1 can be contracted to the middle third area 4 of the display area, so that a user can conveniently view the display content when wearing the flexible display device.
In another embodiment of the present invention, as shown in fig. 4, the display information in the middle third area 4 of the preset area includes at least one of time, number of steps, weather condition and message reminder.
Specifically, when the flexible display device is in a bent state, the area of a display region of the flexible display device is limited, and display information of the display region can be set according to the degree of interest of a user for corresponding information. For example, when the user is a young worker, the displayed information for the middle third zone 4 may include at least one of time, number of steps, weather conditions, and message reminders, among others. When the user is elderly, the displayed information of the middle third area 4 may include at least one of time, blood pressure, pulse, message alert, and the like. The content specifically included in the display information is not limited here.
Fig. 5a is a schematic block diagram of a flexible display device according to another embodiment of the present invention. Fig. 5b is a schematic block diagram of a flexible display device in a bent state according to another embodiment of the present invention.
In another embodiment of the invention, in one embodiment of the invention, the flexible display panel 1 comprises two docking edges connected to the single-sided edge, the two docking edges being provided with magnets of opposite polarity.
Specifically, the magnets with opposite polarities arranged at the two abutting edges may be a first magnetic portion 51 and a second magnetic portion 52, and the first magnetic portion 51 and the second magnetic portion 52 may form a magnetic mechanism.
The flexible display panel 1 may be rectangular in shape, and in order to enable the flexible display device to be bent into a bracelet, the elastic support mechanism 2 may be disposed at two single-side edges of the long edge of the flexible display panel 1. Further, when the elastic supporting mechanism 2 is disposed at the edge of the long side of the flexible display panel 1, in order to maintain the curved shape of the flexible display device, the first magnetic attraction portion 51 and the second magnetic attraction portion 52 may be disposed at the edge of the short side of the flexible display panel 1, and the magnetic attraction mechanism formed by the first magnetic attraction portion 51 and the second magnetic attraction portion 52 may maintain the edge of the flexible display panel 1 in a ring shape.
The magnetic attraction structure can also be a buckle connection structure, and the connection structure is not particularly limited.
In another embodiment of the present invention, the material of the first supporting spring 21 and/or the second supporting spring 22 is a shape memory alloy.
Specifically, since the shape memory alloy has excellent deformation restorability, preferably, the material of the first support spring 21 and/or the second support spring 22 may be the shape memory alloy. For example, the shape memory alloy may be a nickel-titanium-based shape memory alloy, a copper-nickel-based alloy, a copper-aluminum-based alloy, a copper-zinc-based alloy, an iron-based alloy, or the like, and specific components of the shape memory alloy are not limited herein.
In another embodiment of the present invention, the first slider 212 and/or the second slider 222 are a flexible, resilient material.
Specifically, in order not to limit bending of the flexible display device, the first slider 212 and/or the second slider 222 may be an elastic material, and in order to avoid damage to the flexible display panel 1 caused by the first slider 212 and/or the second slider 222 during deformation, the first slider 212 and/or the second slider 222 may further have flexibility, and thus, the first slider 212 and/or the second slider 222 may preferably be a flexible elastic material. For example, the material used for the first slider 212 and/or the second slider 222 may be rubber, thermoplastic polyurethane elastomer, etc., and the specific material used for the first slider 212 and/or the second slider 222 is not limited herein.
In another embodiment of the present invention, the flexible display panel is rectangular, and the number of the groups of the elastic supporting mechanisms 2 is four, and the four groups are respectively disposed at the four single-side edges of the flexible display panel 1.
Specifically, the number of the groups of the elastic support mechanisms 2 is four, and the elastic support mechanisms are respectively arranged at the edges of four single sides of the flexible display panel 1, so that the flexible display device can be bent along one direction and also can be bent along the direction perpendicular to the one direction. For example, when the flexible display panel 1 may be rectangular, the flexible display device may be bent along the direction corresponding to the long side and the direction corresponding to the short side, so as to achieve flexible bending of the flexible display device.
A display control method of the flexible display device according to an embodiment of the present invention is described below with reference to fig. 6.
Fig. 6 is a flowchart illustrating a display control method of a flexible display device according to an embodiment of the present invention.
As shown in fig. 6, the display control method of the flexible display device is applied to the flexible display device according to any of the foregoing embodiments, and includes:
step 610: and detecting the bending degree of the flexible panel.
Step 620: and when the bending degree of the flexible display panel 1 exceeds a preset bending degree threshold value, controlling the flexible display panel to display only in a preset area.
In the embodiment of the invention, the bending degree of the flexible panel is detected, and when the bending degree of the flexible display panel 1 exceeds the preset bending degree threshold value, the flexible panel is controlled to be displayed only in the preset area, so that a user can conveniently check the display content when the flexible display device is bent and worn.
In an embodiment of the present invention, as shown in fig. 4, the step of controlling the flexible panel to display only in the preset area may specifically include: the flexible panel is controlled to only have a preset area to display preset content, and the preset content comprises at least one of time, step number, weather condition and message reminding.
Specific details of the display control method of the flexible display device may refer to the embodiment of the flexible display device, and are not described herein again to avoid repetition. 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 and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (6)
1. A flexible display device, comprising:
the elastic support mechanism comprises a first support elastic sheet and a second support elastic sheet which are oppositely arranged, wherein the first support elastic sheet and the second support elastic sheet are provided with accommodating grooves, and the first support elastic sheet and the second support elastic sheet are fixedly connected;
the flexible display panel comprises a single-side edge, the single-side edge is provided with a sliding block, and the single-side edge can be slidably clamped in the accommodating groove through the sliding block;
the flexible display panel comprises two butt joint edges connected with the single-side edges, and the two butt joint edges are provided with magnets with opposite polarities.
2. The flexible display device of claim 1, wherein the single-sided edge comprises an upper surface edge and a lower surface edge, both of which are provided with the slider.
3. The flexible display device according to claim 1, wherein the number of the sliders is plural, and the plural sliders are arranged at equal intervals along the extending direction of the single-side edge.
4. The flexible display device according to any one of claims 1 to 3, wherein the receiving groove comprises two blocking portions arranged oppositely, and the single-side edge is slidably clamped in an area between the two blocking portions of the receiving groove.
5. The flexible display device according to any one of claims 1 to 3, wherein the elastic supporting mechanism comprises two opposite accommodating grooves, and the flexible display panel comprises two opposite single-side edges, and the two single-side edges are respectively retained in one of the accommodating grooves.
6. The flexible display device according to any one of claims 1 to 3, further comprising a detection module for detecting a degree of bending of the flexible panel.
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| CN111882992A (en) * | 2020-08-14 | 2020-11-03 | 京东方科技集团股份有限公司 | Flexible display device |
| CN114203047B (en) * | 2021-12-21 | 2024-01-19 | 云谷（固安）科技有限公司 | Supporting device and display equipment |
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| CN108831310A (en) * | 2018-07-20 | 2018-11-16 | 武汉华星光电半导体显示技术有限公司 | A kind of display module and electronic device |
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| CN109920333A (en) | 2019-06-21 |
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