CN109922181B - Supporting structure of foldable display device and foldable display device - Google Patents
Supporting structure of foldable display device and foldable display device Download PDFInfo
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- CN109922181B CN109922181B CN201910349110.1A CN201910349110A CN109922181B CN 109922181 B CN109922181 B CN 109922181B CN 201910349110 A CN201910349110 A CN 201910349110A CN 109922181 B CN109922181 B CN 109922181B
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Abstract
The invention discloses a supporting structure of a foldable display device and the foldable display device, wherein the supporting structure of the foldable display device is used for supporting a flexible screen of the foldable display device, and the flexible screen comprises at least two plane areas and a bending area for connecting the two adjacent plane areas; the support structure includes: the supporting plates correspond to the plane area one by one, a sliding part is arranged between any two adjacent supporting plates, the supporting plates on the two sides of the sliding part are respectively a first supporting plate and a second supporting plate, the first supporting plate is rotatably connected with the sliding part, and the second supporting plate is slidably connected with the sliding part; the first supporting plate and the second supporting plate can be folded towards the direction far away from the flexible screen, when the supporting structure is unfolded, the second supporting plate moves along the direction far away from the first supporting plate, and the sliding part is opposite to the bending area. This collapsible display device's bearing structure can reduce the stress in flexible screen bending region, improves the planarization in bending region, improves collapsible display device's display effect.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a support structure of a foldable display device and a foldable display device.
Background
A foldable flexible-screen mobile phone is an important trend in the development of modern mobile phones, and a flexible screen of a foldable device generally includes a planar area and a bending area, the bending area connects two adjacent planar areas, corresponding to the structure of the foldable flexible screen, and a support structure of the foldable flexible-screen mobile phone includes a planar support portion and a bending support portion, the planar support portion is opposite to the planar area, and the bending support portion is opposite to the bending area.
Among the prior art, the foldable device includes plane supporting part and the supporting part of buckling, and the supporting part of buckling is connected between two adjacent plane supporting parts for drive two adjacent plane supporting parts fold and expand. Wherein, the bending support part comprises a foldable hinge assembly, the structure is more complex, and the stability of the unfolding and folding processes of the structure is poorer. In addition, the supporting part of buckling and flexible screen have certain thickness, drive flexible screen bending area at the supporting part of buckling and expand and folding in-process, the supporting part of buckling corresponds the length of flexible screen under the expansion state, is less than the length of flexible screen under the bending state, leads to the flexible screen to receive the pulling force under the bending state, leads to flexible screen life to descend, and there is the fold easily in the bending area under the expansion state, and the display effect is relatively poor.
Disclosure of Invention
The embodiment of the invention aims to provide a supporting structure of a foldable display device and the foldable display device, so as to reduce the stress of a bending area of a flexible screen, improve the smoothness of the bending area and improve the display effect of the foldable display device.
The supporting structure of the foldable display device provided by the embodiment of the invention comprises a flexible screen, wherein the flexible screen comprises at least two plane areas and a bending area for connecting the two adjacent plane areas, and the supporting structure comprises:
first backup pad, second backup pad and slider, first backup pad with the slider rotates to be connected, the second backup pad with slider sliding connection, works as when bearing structure expandes, the second backup pad is along keeping away from the direction removal of first backup pad.
Optionally, the supporting structure of the foldable display device further comprises a rotating shaft, the first supporting plate has a first connecting portion, the first connecting portion has a first rotating shaft hole, the sliding member has a second connecting portion, the second connecting portion has a second rotating shaft hole, and the rotating shaft passes through the first rotating shaft hole and the second rotating shaft hole, so that the first connecting portion and the second connecting portion are rotatably connected.
Optionally, the first connecting portion has a plurality of first engaging lugs, first engaging lug has first pivot hole, the second connecting portion has a plurality of second engaging lugs, the second engaging lug has second pivot hole, first engaging lug with the second engaging lug interval sets up.
Optionally, the sliding part comprises a plurality of sliding blocks, and the second supporting plate is provided with a sliding groove in sliding fit with the sliding blocks; or, the second supporting plate comprises a plurality of sliding blocks, and the sliding blocks are provided with sliding grooves which are in sliding assembly with the sliding blocks.
Optionally, the sliding grooves are matched with the sliding blocks one by one.
Optionally, the sliding block is provided with a guiding rib, and the sliding groove is provided with a guiding groove matched with the guiding rib.
Optionally, the sliding member is of an integral structure.
Optionally, the slider has spacing arch, the spout has first spacing chuckwall, works as the second backup pad is along keeping away from when the direction of first backup pad removes the settlement distance, spacing arch can with first spacing chuckwall joint makes the second backup pad is along keeping away from the direction of first backup pad is spacing.
Optionally, the slider has the spacing arch of elasticity, the spout has the spacing chuckwall of second, works as the second backup pad is along being close to when the direction removal settlement distance of first backup pad, the spacing arch of elasticity can with the spacing chuckwall joint of second makes the second backup pad is along keeping away from the direction of first backup pad is spacing.
Based on the same inventive concept, the application also provides a foldable display device, which comprises the support structure of the foldable display device in any one of the above technical solutions.
In the technical scheme provided by the embodiment of the invention, when the supporting structure of the foldable display device is unfolded, the sliding part rotates relative to the first supporting plate so as to drive the second supporting plate to be unfolded and enable the second supporting plate to slide relative to the sliding part along the direction far away from the first supporting plate, so that a certain distance is reserved between the second supporting plate and the first supporting plate so as to adapt to the length of the unfolded state of the flexible screen, and the sliding part is opposite to the bending area of the flexible screen. The whole length of bearing structure satisfies the demand of flexible screen, consequently the difficult fold that appears in the district of buckling to the district of buckling of flexible screen also can have better planarization, and collapsible display device's display effect is better. When collapsible display device's bearing structure is folding, the second backup pad is along the direction removal near first backup pad, thereby shorten the distance between first backup pad and the second backup pad, the sliding block drives the second backup pad and folds with first backup pad, above-mentioned bearing structure of flexible screen parcel, in this embodiment, the kink has sufficient length and comes to include bearing structure's folding region, thereby, the too big condition of stress is difficult for appearing, thereby the stress that has reduced flexible screen bending region is favorable to improving the life of flexible screen. In addition, in the embodiment of the application, only one of the two adjacent supporting plates slides relative to the sliding part between the two supporting plates, so that the reliability of the sliding process is better.
Drawings
Fig. 1 is a schematic structural diagram of a folded state of a foldable flexible display device according to an embodiment of the present invention;
fig. 2 is a schematic side view of a folded state of a foldable flexible display device according to an embodiment of the present invention;
FIG. 3 is a structural diagram illustrating an unfolded state of a foldable flexible display device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a foldable display device according to an embodiment of the present invention showing a folded and unfolded state change structure;
fig. 5 is a view illustrating a connection state of a second supporting plate and a sliding member according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sliding member according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a second supporting plate and a sliding member according to an embodiment of the present invention;
fig. 8 is a view illustrating a connection state of the second supporting plate and the slider according to another embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a second support plate according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of another second supporting plate and a slider according to the embodiment of the present invention;
fig. 11 is a view illustrating a connection state of a second supporting plate and a slider according to still another embodiment of the present invention;
fig. 12 is a view illustrating a state where a second supporting plate and a slider are coupled according to still another embodiment of the present invention;
fig. 13 is a view illustrating a connection state of a second supporting plate and a slider according to still another embodiment of the present invention.
Reference numerals:
1-a flexible screen; 11-a planar area;
111-a first planar zone; 112-a second planar zone;
12-a bending zone; 2-a support plate;
21-a first support plate; 211-a first connection;
2111-first connecting ear; 22-a second support plate;
221-a chute; 221' -a chute;
2211-guide groove; 2212-first limit wall;
3-a slide; 31-a second connecting portion;
311-a second spindle hole; 312-a second engaging lug;
32-a slide block; 32' -a slider;
321-guide ribs; 322-a limit projection;
323-a slider body; 324-an elastic limit bump;
325-elastic gasket; 4-a rotating shaft.
Detailed Description
In order to reduce stress of a bending area of a flexible screen, improve smoothness of the bending area and improve a display effect of a foldable display device, the embodiment of the invention provides a support structure of the foldable display device and the foldable display device. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Aiming at the problems that in the prior art, the bending area of a flexible screen in a foldable flexible display device has stress in a folded state and has wrinkles in a flattened state, the embodiment of the application provides a support structure of the foldable display device and the foldable display device. Specifically, referring to fig. 1 to fig. 3, which respectively show structural schematic diagrams of a foldable display device in a folded state and an unfolded state, in an embodiment of the present application, a support structure of the foldable display device is used for supporting a flexible screen 1 of the foldable display device, where the flexible screen 1 includes at least two planar areas 11 and a bending area 12 connecting two adjacent planar areas 11, specifically, the flexible screen 1 includes two planar areas 11 and a bending area 12, where the two planar areas 11 are specifically a first planar area 111 and a second planar area 112, and the bending area 12 is connected between the first planar area 111 and the second planar area 112.
Specifically, the support structure of the foldable display device includes support plates 2 corresponding to the planar areas 11 one by one, and a sliding member 3 provided between any two adjacent support plates 2, where the support plates 2 on both sides of the sliding member 3 are a first support plate 21 and a second support plate 22, respectively, the first support plate 21 is opposite to the first planar area 111, the first support plate 21 can support the first planar area 111, the second support plate 22 is opposite to the second planar area 112, and the second support plate 22 can support the second planar area 112. The first support plate 21 is rotatably connected with the sliding member 3, and the second support plate 22 is slidably connected with the sliding member 3; the first support plate 21 and the second support plate 22 are foldable away from the flexible screen 1 (as indicated by the curved arrows in fig. 3), and when the support structure is unfolded, the second support plate 22 is moved away from the first support plate 21, and the slide 3 is opposite the bending zone 12.
In this embodiment, each planar area 11 of the flexible screen 1 has a support plate 2 and each bending area 12 has a slide 3, also for example in the case of a flexible screen 1 comprising two planar areas 11 and one bending area 12, then, the corresponding support structure of the foldable display device comprises two support plates 2 and a sliding member 3 connected between the two support plates 2, the support plates 2 at both ends of the sliding member 3 may be a first support plate 21 and a second support plate 22, in a particular embodiment, one end of the slide 3 is rotatably, e.g. pivotally, connected to the first support plate 21, the other end of the slide 3 is slidably connected to the second support plate 22, the sliding member 3 can bring the second supporting plate 22 to rotate relative to the first supporting plate 21, thereby completing the folding and unfolding actions of the supporting structure of the foldable display device.
In a specific embodiment, the material of the supporting plate and the material of the sliding member are not limited, and the material of each supporting plate and the material of each sliding member may be the same or different, for example, all the supporting plates may be the same material, the material of the sliding member may be different from the material of the supporting plate, the material of each supporting plate may be different, or the material of each supporting plate and the material of the sliding member may be the same. Specifically, the material of the support plate and the material of the sliding member may be metal, such as stainless steel, or plastic, such as Polycarbonate (PC).
Referring to fig. 3 and fig. 4, fig. 4 is a schematic diagram illustrating a folding and unfolding state change structure of a foldable display device according to another embodiment of the present invention. Specifically, when the support structure of the foldable display device is unfolded, the sliding member 3 rotates relative to the first support plate 21, so as to drive the second support plate 22 to be unfolded, and the second support plate 22 slides relative to the sliding member 3 along a direction away from the first support plate 21, so as to have a certain distance between the second support plate 22 and the first support plate 21, so as to adapt to the length of the unfolded state of the flexible screen 1, and the sliding member 3 is opposite to the bending region 12 of the flexible screen 1. The whole length of bearing structure satisfies the demand of flexible screen 1, consequently buckle district 12 is difficult for appearing the fold to the buckle district 12 of flexible screen 1 also can have better planarization, and foldable display device's display effect is better. When collapsible display device's bearing structure is folding, second backup pad 22 is along the direction removal near first backup pad 21, thereby shorten the distance between first backup pad 21 and the second backup pad 22, the sliding block drives second backup pad 22 and after first backup pad 21 is folding, flexible screen 1 wraps up above-mentioned bearing structure, in this embodiment, the kink has sufficient length to come the folding region including bearing structure, thereby, the too big condition of stress is difficult to appear, thereby reduced the stress that reduces 1 bending region 12 of flexible screen and be favorable to improving the life of flexible screen 1. In addition, in the embodiment of the present application, only one of the two adjacent support plates 2 slides with respect to the sliding member 3 therebetween, so that the reliability of the sliding process is good.
Referring to fig. 1 and 4, alternatively, the supporting structure of the foldable display device includes a rotating shaft 4, and the first supporting plate 21 and the sliding member 3 are connected by the rotating shaft 4, so that the connection structure is simple and the stability of rotation is good.
Referring to fig. 3, 5 and 6, wherein fig. 5 shows a connection state diagram of the second support plate 22 and the sliding member 3, and fig. 6 shows a structural schematic diagram of the sliding member 3, in a specific embodiment, the support structure of the foldable display device further includes a rotating shaft 4, the first support plate 21 has a first connecting portion 211, the first connecting portion 211 has a first rotating shaft hole, the sliding member 3 has a second connecting portion 31, the second connecting portion 31 has a second rotating shaft hole 311, and the rotating shaft 4 passes through the first rotating shaft hole and the second rotating shaft hole 311, so that the first connecting portion 211 and the second connecting portion 31 are rotatably connected.
The first connecting part 211 is directly manufactured on the first supporting plate 21, the first connecting part 211 is provided with a first rotating shaft hole for installing the rotating shaft 4, the connecting structure between the first supporting plate 21 and the sliding part 3 can be simplified, and the rigidity between the first connecting part 211 and the first supporting plate 21 is better, so that the stability of the folding and unfolding action processes of the supporting structure is improved; the second connecting portion 31 is directly manufactured on the sliding member 3, the second connecting portion 31 is provided with a second rotating shaft hole 311 for installing the rotating shaft 4, the connecting structure between the first supporting plate 21 and the sliding member 3 can be simplified, the rigidity between the second connecting portion 31 and the sliding member 3 is good, and the stability of the folding and unfolding action process of the supporting structure is improved.
With reference to fig. 3, fig. 5 and fig. 6, optionally, the first connection portion 211 has a plurality of first connection lugs 2111, the first connection lugs 2111 have first rotation axis holes, the second connection portion 31 has a plurality of second connection lugs 312, the second connection lugs 312 have second rotation axis holes 311, and the first connection lugs 2111 and the second connection lugs 312 are disposed at intervals.
In this embodiment, the connection of the rotating shaft 4 is realized by the engaging lugs arranged at intervals, and the rotating process between the first supporting plate 21 and the sliding member 3 is relatively smooth. In a specific embodiment, the distance between two adjacent first connection ears 2111 is equal to the width of the second connection ear 312 between two adjacent first connection ears 2111, so that the gap between the connection ears is small, and the first connection portion 211 and the second connection portion 31 are not easy to shake, on one hand, in the folding process, the action is stable, and on the other hand, when the support structure is unfolded to support the flexible screen 1, the support effect is good.
Specifically, the sliding connection between the sliding member and the second support plate may be various, and one specific connection is that the sliding block is connected to the sliding groove. More specifically, the slider may include a plurality of sliders, and the second support plate has a slide groove slidably fitted with the sliders. As shown in fig. 3, 5, 6 and 7, wherein fig. 7 shows a schematic sectional structural view of the second support plate 22 and the sliding member 3, in an embodiment, the sliding member 3 has a plurality of sliding blocks 32, and the second support plate 22 has sliding grooves 221 adapted to the sliding blocks 32. In this embodiment, the sliding process between the sliding member 3 and the second supporting plate 22 is stable, and the flat area of the surface of the second supporting plate 22 facing the second planar area 112 can be made larger, thereby better providing support for the flexible screen 1.
Alternatively, referring to fig. 8, fig. 8 is a diagram illustrating a connection state of the second supporting plate and the sliding member according to an embodiment of the present application. In another embodiment, it is also possible for the second support 22 to comprise a plurality of sliders 32 ', the slide 3 having a runner 221 ' fitted slidingly with the sliders 32 '. In this embodiment, the sliding process between the sliding member 3 and the second supporting plate 22 is stable.
The sliding connection mode of the sliding blocks and the sliding grooves which are matched with each other is utilized, and the sliding process between the sliding piece and the second supporting plate is relatively stable in the connection mode of the two sliding rods and the sliding holes.
Optionally, the sliding grooves are matched with the sliding blocks one by one. In this embodiment, slider and spout one-to-one adaptation can also play the effect of direction to gliding stability between further improvement slider and the spout, thereby improve gliding stability between second backup pad and the slider.
Referring to fig. 5 to 7, in another embodiment, the slider 32 has a guiding rib 321, and the sliding slot 221 has a guiding slot 2211 matched with the guiding rib 321.
In this embodiment, a guiding assembly is further disposed between the sliding block 32 and the sliding slot 221, and when the sliding block 32 slides relative to the sliding slot 221, the guiding protruding rib 321 moves in the guiding groove 2211 to perform a guiding function, so that the sliding between the sliding block 32 and the sliding slot 221 is more stable, and the stability of the sliding between the second supporting plate 22 and the sliding member 3 is further improved.
Optionally, the sliding member is of an integral structure. Specifically, when the sliding member includes a plurality of sliding blocks, a connecting rod may be provided between the plurality of sliding blocks, and the connecting rod and the plurality of sliding blocks are integrally formed; in another embodiment, when the sliding member includes a plurality of sliding grooves, a connecting rod may be disposed between the plurality of sliding grooves, and the connecting rod and the plurality of sliding grooves are integrally formed. This scheme of implementing specifically is, also not limited and use connecting rod to connect slider or spout, also can be connection piece isotructure, makes a plurality of sliders or spout structure as an organic whole.
In the embodiment, the sliding part is of an integral structure, so that when the second supporting plate and the sliding part slide relatively, the sliding synchronism is better along the direction perpendicular to the sliding direction, the situation of deflection or blockage is not easy to occur, and the smoothness of the sliding process is improved.
Referring to fig. 6, 9 and 10, fig. 9 is a schematic cross-sectional view of a second support plate in an embodiment of the present application, and fig. 10 is a schematic cross-sectional view of a second support plate and a sliding member in an embodiment of the present application. Optionally, the sliding block 32 has a limiting protrusion 322, the sliding groove 221 has a first limiting blocking wall 2212, and when the second supporting plate 22 moves a set distance in a direction away from the first supporting plate 21, the limiting protrusion 322 can be blocked with the first limiting blocking wall 2212, so that the second supporting plate 22 is limited in the direction away from the first supporting plate 21.
Specifically, taking the sliding member 3 having a plurality of sliding blocks 32 as an example, the position of the sliding block 32 away from the rotating shaft 4 has a limiting protrusion 322, specifically, the limiting protrusion is a fixed limiting protrusion, and the limiting protrusion 322 and the sliding block 32 may be an integrated structure. Correspondingly, the position that spout 221 is close to pivot 4 has first spacing chuckwall 2212, thereby, when second backup pad 22 kept away from first backup pad 21 and slides and set for the distance, spacing arch 322 can with first spacing chuckwall joint, thereby can not drop between second backup pad 22 and the slider 3, and can not lead to between second backup pad 22 and the first backup pad 21 apart from too big, thereby drag flexible screen 1, cause the damage to flexible screen 1, consequently, this scheme can also improve the protection effect to flexible screen 1.
Specifically, the set distance may be set according to the size difference between the folded region 12 of the flexible screen and the support structure in the folded state and the unfolded state, for example, as shown in fig. 4, the flexible screen 1 wraps the rotating region of the support structure in the folded state, the radius of the rotating region is r, and the set distance a is pi r, and the set distance may be used as the sliding stroke between the second support plate 22 and the sliding member 3. That is, when the sliding distance of the second supporting plate 22 relative to the first supporting plate 21 is the set distance a, in the unfolded state of the flexible screen 1, a better support can be provided for the flexible screen 1, and the flatness of the flexible screen 1 in the unfolded state is improved.
Referring to fig. 11, fig. 11 shows another connection state diagram of the second support plate and the sliding member according to an embodiment of the present invention, in another alternative embodiment, the sliding block 32 includes a sliding block body 323 and an elastic limiting protrusion 324 fixed to the sliding block body 323, the sliding groove 221 has a second limiting wall, and when the second support plate 22 moves a set distance in a direction approaching to the first support plate 21, the elastic limiting protrusion 324 can be engaged with the second limiting wall, so that the second support plate 22 is limited in a direction away from the first support plate 21. Specifically, in the embodiment of the present application, the sliding slot 221 and the sliding block body 323 are in clearance fit, so that the position of the sliding block 32 having the elastic limiting protrusion 324 can slide in the sliding slot 221, and the position of the sliding block 32 having the elastic limiting protrusion 324 is in interference fit with the area of the inner wall of the sliding slot 221 other than the second limiting wall, that is, the elastic limiting protrusion 324 is in a contracted state, on one hand, the situation of erroneous sliding between the sliding block 32 and the sliding slot 221 can be reduced, on the other hand, a groove can be made on the inner wall of the sliding slot 221 to form the second limiting wall, when the elastic limiting protrusion 324 slides to the groove, the elastic limiting protrusion 324 can be in a natural extension state, so as to be clamped with the groove, so that when the second supporting plate 22 and the first supporting plate 21 are folded, the second supporting plate 22 is fixed along the position away from the first supporting plate 21, so as to improve the stability of the supporting structure of the foldable display device, thereby improving the protection effect of the flexible screen.
Specifically, for example, the slider 3 has a plurality of sliders 32, the slider 32 has an elastic limit protrusion 324, correspondingly, the sliding groove 221 has a second limit wall, so that, when the second support plate 22 slides close to the first support plate 21, so that the support structure is folded, the elastic limit protrusion 324 can be clamped with the second limit wall, so that the second support plate 22 and the slider 3 are relatively fixed in position, thereby causing the second support plate 22 and the first support plate 21 to be folded, the second support plate 22 is not easy to slide, thereby pulling the flexible screen 1, and causing damage to the flexible screen 1, therefore, the protection effect on the flexible screen 1 can be further improved.
As shown in fig. 12, fig. 12 is a view showing a state in which a second supporting plate and a slider according to still another embodiment of the present invention are coupled. In this embodiment, the surface of the side of the slider 32 close to the flexible screen is a plane, and this plane surface can provide a relatively flat support for the flexible screen, so that the flexible screen is not easy to bend, and is not easy to receive the damage of stress concentration, and the display effect and the service life of the flexible screen can be improved.
As shown in fig. 13, fig. 13 is a view showing a connection state of a second supporting plate and a slider according to still another embodiment of the present invention. In this embodiment, the surface of the side of the sliding block 32 close to the flexible screen has an elastic pad 325, and the elastic pad has elasticity, so that when the foldable display device is folded, the elastic pad 325 can be accommodated in the sliding groove along with the sliding block 32; when the foldable display device is unfolded, the elastic pad 325 can be popped up to compensate for a difference in section between the surface of the slider 32 close to the flexible screen and the surface of the second support plate 22 close to the flexible screen, so that the flexible screen can be supported smoothly after the flexible screen, the flexible screen is not easy to bend and receive stress concentration damage, and if the flexible screen is a touch flexible screen, the operability of the flexible screen can be improved, the display effect of the flexible screen can be improved, and the service life of the flexible screen can be prolonged.
As shown in fig. 1, based on the unified inventive concept, the present application also provides a foldable display device including a support structure of the foldable display device in any one of the above technical solutions.
This collapsible display device's bearing structure, including first backup pad 21 and second backup pad 22, when expanding, second backup pad 22 can be followed and kept away from the direction of first backup pad 21 and slided to can make the bending region 12 of flexible screen 1 comparatively level and smooth under the expansion state, when folding, the stress that the bending region 12 of flexible screen 1 received influences lessly, thereby can improve the life of flexible screen 1.
In a specific embodiment, the specific type of the flexible screen is not limited, for example, the flexible screen may be an electronic paper flexible screen, a liquid crystal flexible screen, an Organic Light Emitting Diode (OLED) flexible screen, or an Active Matrix Organic Light Emitting Diode (AMOLED) flexible screen, and various types of flexible screens may be manufactured into the flexible display module provided in this application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A support structure for a foldable display device, the foldable display device comprising a flexible screen, the flexible screen comprising at least two planar areas and a bending area connecting two adjacent planar areas, the support structure comprising:
the support structure comprises a first support plate, a second support plate and a sliding part, wherein the first support plate is rotatably connected with the sliding part, the second support plate is slidably connected with the sliding part, and when the support structure is unfolded, the second support plate moves in a direction away from the first support plate;
the sliding part comprises a plurality of sliding blocks, and the second supporting plate is provided with a sliding groove in sliding fit with the sliding blocks; or, the second supporting plate comprises a plurality of sliding blocks, and the sliding blocks are provided with sliding grooves which are in sliding assembly with the sliding blocks;
and the surface of one side of the sliding block close to the flexible screen is provided with an elastic gasket.
2. The support structure of a foldable display device according to claim 1, further comprising a rotation shaft, wherein the first support plate has a first connecting portion having a first rotation shaft hole, the slider has a second connecting portion having a second rotation shaft hole, and the rotation shaft passes through the first rotation shaft hole and the second rotation shaft hole to rotatably connect the first connecting portion and the second connecting portion.
3. The support structure of a foldable display device according to claim 2, wherein the first connecting portion has a plurality of first engaging lugs having the first pivot hole, the second connecting portion has a plurality of second engaging lugs having the second pivot hole, and the first engaging lugs are spaced apart from the second engaging lugs.
4. The support structure of a foldable display device of claim 1, wherein said sliding grooves are fitted with said sliding blocks one by one.
5. The support structure of a foldable display device of claim 1, wherein said slider has a guide rib, and said slide groove has a guide groove adapted to said guide rib.
6. The support structure of a foldable display device of claim 1, wherein said slider is a unitary structure.
7. The support structure of a foldable display device according to claim 1, wherein the slider has a position-limiting protrusion, the sliding groove has a first position-limiting wall, and when the second support plate moves a predetermined distance in a direction away from the first support plate, the position-limiting protrusion can engage with the first position-limiting wall to position the second support plate in a direction away from the first support plate.
8. The support structure of a foldable display device according to claim 1, wherein the slider has an elastic stopper protrusion, and the sliding groove has a second stopper wall, and when the second support plate moves a predetermined distance in a direction close to the first support plate, the elastic stopper protrusion can engage with the second stopper wall to stop the second support plate in a direction away from the first support plate.
9. A foldable display device, comprising a support structure of the foldable display device according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910349110.1A CN109922181B (en) | 2019-04-28 | 2019-04-28 | Supporting structure of foldable display device and foldable display device |
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| CN201910349110.1A CN109922181B (en) | 2019-04-28 | 2019-04-28 | Supporting structure of foldable display device and foldable display device |
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| CN109922181B true CN109922181B (en) | 2021-07-20 |
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| CN113366927A (en) * | 2019-07-15 | 2021-09-07 | 深圳市柔宇科技股份有限公司 | Folding device and electronic equipment |
| CN110336904B (en) * | 2019-07-16 | 2021-07-09 | 昆山工研院新型平板显示技术中心有限公司 | Display device |
| CN112306149B (en) * | 2019-08-02 | 2023-07-14 | 比亚迪股份有限公司 | Folding device for flexible screen and mobile terminal |
| KR20210030535A (en) * | 2019-09-09 | 2021-03-18 | 삼성디스플레이 주식회사 | Foldable display device |
| CN110658890B (en) * | 2019-09-26 | 2021-07-16 | 联想(北京)有限公司 | Flexible display structure and electronic equipment |
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