CN113241006B - Foldable display module and foldable display device - Google Patents
Foldable display module and foldable display device Download PDFInfo
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- CN113241006B CN113241006B CN202110483493.9A CN202110483493A CN113241006B CN 113241006 B CN113241006 B CN 113241006B CN 202110483493 A CN202110483493 A CN 202110483493A CN 113241006 B CN113241006 B CN 113241006B
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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
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Abstract
The invention discloses a foldable display module and a foldable display device, and relates to the technical field of display, wherein the foldable display module comprises a flexible display panel, and the flexible display panel comprises a bendable part and a non-bendable part; the supporting plate is positioned on one side departing from the light emitting surface of the flexible display panel and comprises a rigid supporting part and a flexible supporting part, the rigid supporting part is used for supporting the non-bending part of the flexible display panel, and the flexible supporting part is used for supporting the bending part of the flexible display panel; a sliding rail structure is arranged between two adjacent rigid supporting parts, and the sliding rail structure comprises two sliding rail seats and two connecting pieces; the slide rail seat is fixedly connected with the side wall of one rigid supporting part, the slide rail seat comprises a slide rail, the connecting piece penetrates through the slide rail corresponding to the connecting piece and is fixedly connected with the side wall of the other rigid supporting part, and the connecting piece moves in the slide rail corresponding to the connecting piece. The invention can be bent according to the stable track without influencing the display effect.
Description
Technical Field
The invention relates to the technical field of display, in particular to a foldable display module and a foldable display device.
Background
In recent years, with the development of electronic technology and semiconductor technology, there has been an increasing demand for miniaturization and visualization of electronic devices such as mobile phones, media players, game machines, digital cameras, and the like, that is, users desire, on the one hand, a storage volume of the electronic devices to be as small as possible for portability, and, on the other hand, a visualization effect of the electronic devices, for example, an area of a display screen not to be reduced due to a reduction in the storage volume of the electronic devices. Therefore, there is a need for implementing a foldable display device to ensure a volume reduction after the electronic device is folded and stored, and to ensure an excellent visualization effect, such as a large-area display screen, after the electronic device is stretched. Therefore, electronic devices having a folding display screen have received much attention. The folding screen can be unfolded when in use to provide a larger display area, and is switched to a folding state when not in use, so that the folding screen is convenient for a user to carry, and the portability of the display device is improved.
At present, foldable display devices are generally hinge-type foldable display devices and tiled-type foldable display devices. Wherein, setting up the bending of hinge in order to realize folded cascade display device in the district of can buckling among the hinge formula folded cascade display device, because the material of the material in the district of can buckling is soft among the folded cascade display device, and the radius of buckling when adopting the hinge to assist to buckle is unstable, receives the extrusion easy deformation, causes folded cascade display device's damage, and folded cascade display device's life-span is shorter. Concatenation formula folded cascade display device adopts a plurality of little screen concatenations to form, has the black line in concatenation department, influences user's watching and use experience.
Therefore, it is an urgent technical problem to provide a foldable display module and a foldable display device capable of bending according to a stable rail without affecting a display effect
Disclosure of Invention
In view of this, the invention provides a foldable display module and a foldable display device, which can be bent according to a stable track without affecting the display effect.
The invention discloses a foldable display module, which is provided with a non-bending area and a bendable area connected with the non-bending area, and comprises: the flexible display panel comprises a bendable part and a non-bendable part, wherein the bendable part is positioned in the bendable area, and the non-bendable part is positioned in the non-bendable area; the supporting plate is positioned on one side departing from the light emitting surface of the flexible display panel and comprises a rigid supporting part and a flexible supporting part which are abutted with each other, the rigid supporting part and the flexible supporting part are arranged along a first direction, the rigid supporting part is used for supporting a non-bending part of the flexible display panel, and the flexible supporting part is used for supporting a bendable part of the flexible display panel; the sliding rail structure comprises two sliding rail seats and two connecting pieces, the sliding rail seats correspond to the connecting pieces one by one, the two sliding rail seats are respectively positioned on two sides of the supporting plate along a second direction, and the first direction and the second direction are intersected; the slide rail seat is fixedly connected with the side wall of one rigid supporting part, the slide rail seat comprises a slide rail, the connecting piece penetrates through the slide rail corresponding to the connecting piece and is fixedly connected with the side wall of the other rigid supporting part, and the connecting piece moves in the slide rail corresponding to the connecting piece.
Based on the same inventive concept, the invention also discloses a foldable display device, which comprises the foldable display module.
Compared with the prior art, the foldable display module and the foldable display device provided by the invention at least realize the following beneficial effects:
the foldable display module comprises the flexible display panel and the supporting plate which are oppositely arranged, and the supporting plate is positioned on one side away from the light emergent surface of the flexible display panel, so that the supporting plate can support the flexible display panel while the display of the flexible display panel is not influenced. And be equipped with a slide rail structure between two adjacent rigid support portions, and in two adjacent rigid support portions, the lateral wall looks fixed connection of slide rail seat and a rigid support portion among the slide rail structure, the slide rail seat includes the slide rail, the connecting piece passes the slide rail rather than corresponding and the lateral wall looks fixed connection of another rigid support portion, the connecting piece moves in the slide rail rather than corresponding, because connecting piece and rigid support portion looks fixed connection, thereby the connecting piece drives the track motion of rigid support portion along the slide rail, can fold the display module assembly and adopt the slide rail structure to assist when buckling and have stable orbit of buckling, can fold the display module assembly and buckle according to stable orbit, thereby effectively improve the steadiness of flexible display panel when collapsible display module assembly buckles, improve folded cascade display module's life.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a top view of a foldable display module according to the present invention;
FIG. 2 is a bottom view of the foldable display module of FIG. 1;
FIG. 3 is a schematic diagram of a structure of the foldable display module shown in FIG. 1;
FIG. 4 is a schematic view of another structure of the foldable display module shown in FIG. 1;
FIG. 5 is a partial schematic view of a bearing and support plate provided in accordance with the present invention;
FIG. 6 is a schematic view of a coupling and gear arrangement provided by the present invention;
FIG. 7 is a schematic view of a structure of a slide rail seat provided by the present invention;
FIG. 8 is a schematic view of one configuration of the support plate and bearing provided by the present invention;
FIG. 9 is a schematic view of a bending structure of the foldable display module according to the present invention;
fig. 10 is a schematic plan view of a foldable display device provided by the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a top view of a foldable display module according to the present invention, and referring to fig. 1, the present embodiment provides a foldable display module having a non-bending region NFA and a bending region FA connected to the non-bending region NFA. Fig. 1 exemplarily shows a case where the foldable display module includes two non-bending regions NFA and a bendable region FA, and the bendable region FA is located between the two non-bending regions NFA. It should be noted that, in other embodiments of the present invention, the foldable display module may further include other numbers of non-bending regions NFA and bendable regions FA, which are not described in detail herein.
Fig. 2 is a bottom view of the foldable display module shown in fig. 1, fig. 3 is a schematic structural diagram of the foldable display module shown in fig. 1, and referring to fig. 1 to fig. 3, the foldable display module further includes a flexible display panel 100, the flexible display panel 100 includes a bendable portion 110 and a non-bendable portion 120, the bendable portion 110 is located in a bendable region FA, the non-bendable portion 120 is located in a non-bendable region NFA, and when the foldable display module is bent, the bendable portion 110 of the flexible display panel 100 is also bent.
The foldable display module further comprises a supporting plate 200 opposite to the flexible display panel 100, wherein the supporting plate 200 is located on one side away from the light emitting surface of the flexible display panel 100, so that the supporting plate 200 can support the flexible display panel 100 while the display of the flexible display panel 100 is not affected. Specifically, the support plate 200 includes a rigid support portion 220 and a flexible support portion 210 that are abutted to each other, the rigid support portion 220 and the flexible support portion 210 are arranged along the first direction X, the rigid support portion 220 is used for supporting the non-bending portion 120 of the flexible display panel 100, and the flexible support portion 210 is used for supporting the bendable portion 110 of the flexible display panel 100. The flexible support portion 210 may be made of a flexible material. In some alternative embodiments, the material of the flexible supporting portion 210 is one of polyimide, polymethylmethacrylate, polycarbonate, polystyrene, acryl resin, and the like.
The foldable display module further comprises a slide rail structure 300, one slide rail structure 300 is arranged between two adjacent rigid supporting portions 220, the slide rail structure 300 comprises two slide rail seats 310 and two connecting pieces 320, the slide rail seats 310 correspond to the connecting pieces 320 one by one, the two slide rail seats 310 are respectively located on two sides of the supporting plate 200 along a second direction Y, and the first direction X is intersected with the second direction Y. Optionally, the first direction X and the second direction Y are perpendicular.
A slide rail structure 300 is disposed between two adjacent rigid support portions 220, and in the two adjacent rigid support portions 220, a slide rail seat 310 in the slide rail structure 300 is fixedly connected to a side wall 221 of one rigid support portion 220 a. The slide rail seat 310 includes a slide rail 311, the connecting member 320 passes through the slide rail 311 corresponding thereto and the side wall 221 of the other rigid support portion 220b and is fixedly connected therewith, the connecting member 320 moves in the slide rail 311 corresponding thereto, because the connecting member 320 is fixedly connected with the rigid support portion 220b, the connecting member 320 drives the rigid support portion 220b to move along the track of the slide rail 311, the foldable display module can adopt the slide rail structure 300 to assist in bending, so as to have a stable bending track, the foldable display module can be bent according to the stable track, thereby effectively improving the stability of the flexible display panel 100 when the foldable display module is bent, and improving the service life of the foldable display module.
Note that, in order to clearly illustrate the structure of the flexible support portion 210, the flexible support portion 210 is filled in fig. 3, and the rail seat 310 is not filled in.
With continued reference to fig. 1-3, in some alternative embodiments, the extending direction of the bending axis of the foldable display module is the second direction Y, the sliding rail structure 300 further includes a bearing 330, the bearing 330 extends along the second direction Y, the extending direction of the bearing 330 is the same as the extending direction of the bending axis of the foldable display module, the bearing 330 extends through the bendable region FA, two ends of the bearing 330 are respectively connected to the two sliding rail seats 310, and the stability of the foldable display module during bending is further improved by the arrangement of the bearing 330.
Because two slide rail seats 310 are connected through the bearing 330, the extending direction of the bearing 330 is the same as the extending direction of the bending shaft of the foldable display module, the two slide rail seats 310 are located at two sides of the foldable display module along the second direction Y, and the two slide rail seats 310 can be symmetrically arranged along the plane perpendicular to the second direction Y, so that when the foldable display module is bent, the bending tracks at two sides of the foldable display module tend to be consistent, and the stability of the flexible display panel 100 when the foldable display module is bent is further improved.
Fig. 4 is another structural schematic view of the foldable display module shown in fig. 1, fig. 5 is a partial schematic view of a support plate and a bearing provided by the present invention, fig. 6 is a structural schematic view of a connecting member and a gear provided by the present invention, in some alternative embodiments, both ends of the bearing 330 are provided with first saw-tooth structures 331, both ends of the bearing 330 respectively penetrate through two slide rail seats 310, the first saw-tooth structures 331 and the slide rail seats 310 are in one-to-one correspondence, and the first saw-tooth structures 331 are located on a side of the corresponding slide rail seat 310 away from the support plate 200.
One end of the connecting member 320 is fixedly connected with the side wall 221 of the rigid support portion 220, the other end of the connecting member 320 is provided with a ring structure 321, the inner side of the ring structure 321 is provided with a second saw tooth structure 3211, the second saw tooth structure 3211 is engaged with the first saw tooth structure 331 corresponding to the second saw tooth structure through at least two gears 400, when the connecting member 320 moves in the sliding rail 311, the second saw tooth structure 3211 of the ring structure 321 in the connecting member 320 is engaged with the first saw tooth structure 331 of the bearing 330 through the gears 400, so that the damping which is stopped at any position of the connecting member 320 in the sliding rail 311 can be applied, and the foldable display module can be maintained at the angle required to be bent.
It should be noted that fig. 4 exemplarily shows that the second saw tooth structure 3211 and the corresponding first saw tooth structure 331 are engaged with each other through four gears 400, in other embodiments of the present invention, the second saw tooth structure 3211 and the corresponding first saw tooth structure 331 may also be engaged with each other through another number of gears 400, which is not described herein again.
With reference to fig. 3, in some optional embodiments, the sliding rail 311 is arc-shaped, and the arrangement of the sliding rail 311 can limit the bending range of the foldable display module, thereby avoiding the foldable display module from being damaged due to excessive bending. Optionally, the foldable display module can be bent within a range of 0 to 180 ° by the arrangement of the slide rail 311. It should be noted that the slide rail 311 may also be arranged according to actual production requirements to enable the foldable display module to be bent within other angle ranges, which is not described herein again.
Fig. 7 is a schematic structural diagram of a slide rail seat provided in the present invention, referring to fig. 4, fig. 5 and fig. 7, in some alternative embodiments, the slide rail seat 310 is circular to facilitate bending of the foldable display module, and the flexible display panel 100 is not damaged.
The first hole 312 is formed in the center of the sliding rail seat 310, the bearing 330 penetrates through the first hole 312, the first sawtooth structure 331 of the bearing 330 is located on one side, away from the support plate 200, of the corresponding sliding rail seat 310, and the outer diameter of the first sawtooth structure 331 is larger than the radius of the first hole 312, so that the sliding rail seat 310 is fixed between the circular ring structure 321 of the connecting piece 320 and the support plate 200, and the stability of the sliding rail structure 300 in the foldable display module is improved.
It can be understood that the bearing 330 may pass through the two rail bases 310 and then the first sawtooth structures 331 may be disposed at both ends of the two rail bases, so as to prevent the first sawtooth structures 331 from affecting the passing of the bearing 330 through the rail bases 310.
With reference to fig. 4, in some optional embodiments, the radius of the slide rail seat 310 is the same as the thickness of the support plate 200 in the direction perpendicular to the flexible display panel 100, so that the bending radius of the foldable display module when being bent is effectively increased while the bending of the foldable display module is not affected, the stability of the flexible display panel 100 when the foldable display module is bent is further improved, the flexible display panel 100 is effectively prevented from being damaged due to an excessively small bending radius of the flexible display panel 100, and the service life of the foldable display module is effectively prolonged.
And the radius of the slide rail seat 310 is the same as the thickness of the support plate 200 in the direction perpendicular to the flexible display panel 100, and the slide rail seat 310 is disposed between two adjacent rigid support portions 220, so as to increase the volume of the flexible support portion 210 between two adjacent rigid support portions 220, and facilitate the bending of the foldable display module.
Referring to fig. 4 and 5, in some optional embodiments, a third groove 231 is disposed on a side of the flexible supporting portion 210 away from the flexible display panel 100, the third groove 231 extends along the second direction Y, the bearing 330 is embedded in the third groove 231, and the bearing 330 is limited by the third groove 231, so that the bearing 330 is prevented from being dislocated when the foldable display module is bent, bending tracks on two sides of the foldable display module tend to be consistent, and stability of the flexible display panel 100 when the foldable display module is bent is improved.
With continued reference to fig. 4 and 5, in some alternative embodiments, the bearing 330 is cylindrical to match the second saw tooth structure 3211 and the gear 400 of the circular ring structure 321 in the connecting member 320, so that the connecting member 320 can move in the sliding rail 311, and the foldable display module can be maintained at the desired bending angle by the second saw tooth structure 3211 and the gear 400 of the circular ring structure 321 in the connecting member 320 matching with the first saw tooth structure 331 of the bearing 330, so that the damping can be applied to stop the connecting member 320 at any position in the sliding rail 311. The third groove 231 is semi-cylindrical such that the bearing 330 can be inserted into the third groove 231 without affecting the rotation of the bearing 330.
Fig. 8 is a schematic structural diagram of the support plate and the bearing provided by the present invention, referring to fig. 4, fig. 5 and fig. 8, in some alternative embodiments, in the second direction Y, the two sides of the support plate 200 are provided with first grooves 230, the slide rail bases 310 are in one-to-one correspondence with the first grooves 230, the slide rail bases 310 are embedded in the corresponding first grooves 230, and the first grooves 230 are semicircular, and the openings of the first grooves 230 face the side of the support plate 200 away from the flexible display panel 100, so that the arrangement of the slide rail bases 310 does not affect the flatness of the flexible display panel 100. And because the slide rail seat 310 is embedded in the first groove 230 corresponding to the slide rail seat, the frame of the foldable display module can be prevented from being enlarged due to the arrangement of the slide rail seat 310, and the narrow frame can be realized.
Referring to fig. 4 to 8, in some alternative embodiments, the first connection hole 240 and the second connection hole 250 are disposed in the side wall 221 of the support plate 200 and the first groove 230, in the first direction X, the first connection hole 240 and the second connection hole 250 are located at two ends of the first groove 230, the first connection hole 240 is located in the side wall 221 of one rigid support portion 220b, and the second connection hole 250 is located in the side wall 221 of the other rigid support portion 220 a.
One end of the connector 320 is provided with a connecting column 322, the connecting column 322 and the ring structure 321 are respectively located at two ends of the connector 320, and the connecting column 322 is located in the first connecting hole 240, so that the connecting column 322 is fixedly connected with the rigid support part 220 a.
The slide rail seat 310 is provided with second holes 313, the second holes 313 correspond to the second connection holes 250 one by one, and the slide rail seat 310 and the rigid support part 220a are fixedly connected through the second holes 313 and the second connection holes 250 by bolts 500.
Referring to fig. 4, 5 and 7, in some alternative embodiments, a second groove 314 is formed on a side of the slide rail seat 310 away from the support plate 200, the first hole 312 and the slide rail 311 are located in the second groove 314, and the connecting member 320, the first sawtooth structure 331 and the gear 400 are embedded in the second groove 314. Specifically, in the connecting piece 320 except for the connecting column 322, the first sawtooth structure 331 and the gear 400 are all embedded in the second groove 314, the connecting piece 320, the first sawtooth structure 331 and the gear 400 are prevented from protruding out of the surface of one side of the slide rail seat 310 away from the supporting plate 200, so that the frame area of the foldable display module is prevented from being increased, the narrow frame is facilitated to be realized, and the damage to the foldable display module caused by external pressure is avoided.
Referring to fig. 2, in some alternative embodiments, the sliding rail structure 300 further includes two cover plates 340, the cover plates 340 correspond to the sliding rail bases 310 one to one, and the cover plates 340 are attached to the sides of the corresponding sliding rail bases 310 away from the supporting plate 200, so that the connecting members, the first sawtooth structures, and the gears are protected by the cover plates 340.
Referring to fig. 2 and 8, in some optional embodiments, the cover plate 340 and the slide rail seat 310 are both embedded in the first groove 230, so that the frame of the foldable display module can be prevented from being enlarged due to the arrangement of the cover plate 340 and the slide rail seat 310, and a narrow frame can be realized.
Fig. 9 is a schematic view of a bending structure of the foldable display module according to the present invention, and referring to fig. 9, the foldable display module can be bent toward a direction away from the light emitting surface.
Fig. 10 is a schematic plan view of a foldable display device provided in the present invention, and referring to fig. 10, the present embodiment provides a foldable display device including a foldable display module 000 provided in the above embodiment of the present invention. The embodiment of fig. 10 is only an example of a mobile phone, and the foldable display device is described, it is to be understood that the foldable display device provided in the embodiment of the present invention may also be other foldable display devices with a display function, such as a computer, a television, a vehicle-mounted display device, and the present invention is not limited thereto. The foldable display device provided in the embodiment of the present invention has the beneficial effects of the foldable display module 000 provided in the embodiment of the present invention, and specific descriptions of the foldable display module 000 in the above embodiments may be specifically referred to, and are not repeated herein.
According to the embodiment, the foldable display module and the foldable display device provided by the invention at least realize the following beneficial effects:
the foldable display module comprises the flexible display panel and the supporting plate which are oppositely arranged, and the supporting plate is positioned on one side away from the light emergent surface of the flexible display panel, so that the supporting plate can support the flexible display panel while the display of the flexible display panel is not influenced. And be equipped with a slide rail structure between two adjacent rigid support portions, and in two adjacent rigid support portions, the lateral wall looks fixed connection of slide rail seat and a rigid support portion among the slide rail structure, the slide rail seat includes the slide rail, the connecting piece passes the slide rail rather than corresponding and the lateral wall looks fixed connection of another rigid support portion, the connecting piece moves in the slide rail rather than corresponding, because connecting piece and rigid support portion looks fixed connection, thereby the connecting piece drives the track motion of rigid support portion along the slide rail, can fold the display module assembly and adopt the slide rail structure to assist when buckling and have stable orbit of buckling, can fold the display module assembly and buckle according to stable orbit, thereby effectively improve the steadiness of flexible display panel when collapsible display module assembly buckles, improve folded cascade display module's life.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (11)
1. The utility model provides a collapsible display module assembly, has non-bending region and connects the bendable region of non-bending region, its characterized in that includes:
the flexible display panel comprises a bendable part and a non-bending part, the bendable part is located in the bendable area, and the non-bending part is located in the non-bending area;
the supporting plate is positioned on one side departing from the light emitting surface of the flexible display panel and comprises a rigid supporting part and a flexible supporting part which are abutted, the rigid supporting part and the flexible supporting part are arranged along a first direction, the rigid supporting part is used for supporting a non-bending part of the flexible display panel, and the flexible supporting part is used for supporting a bendable part of the flexible display panel;
the sliding rail structure is arranged between two adjacent rigid supporting parts and comprises two sliding rail seats and two connecting pieces, the sliding rail seats correspond to the connecting pieces one by one, the two sliding rail seats are respectively positioned on two sides of the supporting plate along a second direction, and the first direction and the second direction are intersected;
the slide rail seat is fixedly connected with the side wall of one rigid supporting part, the slide rail seat comprises a slide rail, the connecting piece penetrates through the slide rail corresponding to the connecting piece and is fixedly connected with the side wall of the other rigid supporting part, and the connecting piece moves in the slide rail corresponding to the connecting piece;
the slide rail structure further comprises a bearing;
the two ends of the bearing are respectively provided with a first sawtooth structure, the two ends of the bearing respectively penetrate through the two slide rail seats, the first sawtooth structures and the slide rail seats are in one-to-one correspondence, and the first sawtooth structures are positioned on one sides, far away from the supporting plate, of the corresponding slide rail seats;
one end of the connecting piece is fixedly connected with the side wall of the rigid supporting part, the other end of the connecting piece is provided with a circular ring structure, the inner side of the circular ring structure is provided with a second sawtooth structure, and the second sawtooth structure is meshed with the first sawtooth structure corresponding to the second sawtooth structure through at least two gears;
the sliding rail seat is circular, and a first hole is formed in the circle center of the sliding rail seat;
a second groove is formed in one side, away from the supporting plate, of the slide rail seat, and the first hole and the slide rail are located in the second groove;
the connecting piece, first sawtooth structure with the gear all inlays to be located in the second recess.
2. The foldable display module of claim 1,
the bearing extends along the second direction, and the bearing extends through the bendable region, the two ends of the bearing are respectively connected with the two slide rail seats.
3. The foldable display module of claim 2,
the slide rail is arc-shaped.
4. The foldable display module of claim 3,
the bearing passes through the first hole, and the outer diameter of the first sawtooth structure is larger than the radius of the first hole.
5. The foldable display module of claim 4,
the radius of the slide rail seat is the same as the thickness of the support plate in a direction perpendicular to the flexible display panel.
6. The foldable display module of claim 5,
in the second direction, first grooves are arranged on two sides of the supporting plate, the first grooves are semicircular, and the opening of each first groove faces to one side, far away from the flexible display panel, of the supporting plate;
the slide rail seat corresponds to the first groove one by one, and the slide rail seat is embedded in the first groove corresponding to the slide rail seat.
7. The foldable display module of claim 6,
a first connecting hole and a second connecting hole are arranged in the side wall of the supporting plate and the first groove, in the first direction, the first connecting hole and the second connecting hole are positioned at two ends of the first groove, the first connecting hole is positioned in the side wall of one rigid supporting part, and the second connecting hole is positioned in the side wall of the other rigid supporting part;
a connecting column is arranged at one end of the connecting piece, the connecting column and the circular ring structure are respectively positioned at two ends of the connecting piece, and the connecting column is positioned in the first connecting hole;
the sliding rail seat is provided with second holes, the second holes correspond to the second connecting holes one to one, and the sliding rail seat and the rigid supporting part are fixedly connected through the second holes and the second connecting holes by bolts.
8. The foldable display module of claim 1,
the sliding rail structure further comprises two cover plates, the cover plates correspond to the sliding rail seats one to one, and the cover plates are attached to one sides, away from the supporting plates, of the corresponding sliding rail seats.
9. The foldable display module of claim 4,
one side of the flexible supporting portion, which is far away from the flexible display panel, is provided with a third groove, the third groove extends along the second direction, and the bearing is embedded in the third groove.
10. The foldable display module of claim 9,
the third groove is semi-cylindrical, and the bearing is cylindrical.
11. A foldable display device, comprising the foldable display module of any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110483493.9A CN113241006B (en) | 2021-04-30 | 2021-04-30 | Foldable display module and foldable display device |
Applications Claiming Priority (1)
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| CN106710450A (en) * | 2017-02-17 | 2017-05-24 | 武汉华星光电技术有限公司 | Folding mechanism for flexible display screen |
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| KR102545778B1 (en) * | 2016-10-11 | 2023-06-21 | (주)에이유플렉스 | Hinge Structure for Folderable Display Device |
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| CN106710450A (en) * | 2017-02-17 | 2017-05-24 | 武汉华星光电技术有限公司 | Folding mechanism for flexible display screen |
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