CN111477107A - Electronic device and supporting assembly thereof - Google Patents
Electronic device and supporting assembly thereof Download PDFInfo
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- CN111477107A CN111477107A CN202010311586.9A CN202010311586A CN111477107A CN 111477107 A CN111477107 A CN 111477107A CN 202010311586 A CN202010311586 A CN 202010311586A CN 111477107 A CN111477107 A CN 111477107A
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- Prior art keywords
- elastic
- ribs
- bending portion
- elastic bending
- support plate
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses electron device and supporting component thereof for support flexible display panel, supporting component include backup pad and elasticity kink, and the backup pad is connected in the relative both sides of elasticity kink, and the elasticity kink includes a plurality of elastic ribs, and in the direction of connection of backup pad and elasticity kink, the distribution density of a plurality of elastic ribs on the elasticity kink is unequal. The distribution density of a plurality of elastic ribs on the elastic bending part is different through setting, a gradual change supporting effect can be formed on the elastic bending part, and then the light shadow of the flexible display panel caused by the sudden change of the structure of the joint of the supporting component at the supporting plate and the elastic bending part is eliminated, so that the display effect of the flexible display panel and the use experience of a user are improved.
Description
Technical Field
The application relates to the technical field of electronic devices, in particular to an electronic device and a supporting assembly thereof.
Background
At present, an electronic device with a folding function generally comprises a flexible display panel and a grid steel sheet for bearing the flexible display panel, wherein a hollow part of the grid steel sheet is formed in a part of the grid steel sheet, so that the grid steel sheet has certain extending performance, and a bending area of the flexible display panel is convenient to support. The area of the grid steel sheet which is not hollowed out is used for supporting the non-bending area of the flexible display panel. Because the junction of the hollowed-out area and the non-hollowed-out area of the grid steel sheet has a sudden change in structure, the supporting performance of the grid steel sheet on the flexible display panel is suddenly changed, so that the light and shadow of the flexible display panel at the junction of the hollowed-out area and the non-hollowed-out area of the grid steel sheet are not smooth, the display effect of the flexible display panel is reduced, and the use experience of a user is influenced.
Disclosure of Invention
On the one hand, this application embodiment provides a supporting component of flexible display panel for support flexible display panel, supporting component includes backup pad and elasticity kink, and the backup pad is connected in the relative both sides of elasticity kink, and the elasticity kink includes a plurality of elastic ribs, and in the direction of connection of backup pad and elasticity kink, the distribution density of a plurality of elastic ribs on the elasticity kink is not equal.
On the other hand, an electronic device is further provided in an embodiment of the present application, where the electronic device includes a flexible display panel and the support assembly according to the foregoing, and the flexible display panel is disposed on the support assembly.
Adopt this application technical scheme, the beneficial effect who has does: the distribution density of a plurality of elasticity ribs that this application embodiment is located elasticity kink through setting up is unequal, can form the supporting effect of gradual change on the elasticity kink, and then eliminates because of the light shadow of the flexible display panel that the handing-over department structure sudden change of supporting component in backup pad and elasticity kink leads to not in good order, and then promotes flexible display panel's display effect and user's use and experiences.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 discloses a schematic perspective view of an electronic device according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating an exploded structure of the electronic device of FIG. 1;
FIG. 3 discloses a perspective view of the housing assembly of FIG. 2;
FIG. 4 is a perspective view of the support assembly shown in FIG. 2;
FIG. 5 is a schematic plan view of the support assembly shown in FIG. 4 and a partially enlarged view thereof;
FIG. 6 is a partially enlarged structural view of a planar structure of a support assembly according to an embodiment of the present application;
FIG. 7 is a partially enlarged structural view of a planar structure of a support assembly according to another embodiment of the present application;
FIG. 8 is a partially enlarged structural view of a planar structure of a support assembly according to another embodiment of the present application;
FIG. 9 is a partial enlarged view of a planar structure of a support assembly 14 according to another embodiment of the present application;
FIG. 10 is a partially enlarged view of a support assembly according to another embodiment of the present application;
FIG. 11 is a partial enlarged view of a planar structure of a support assembly 14 according to another embodiment of the present application;
FIG. 12 is a partial enlarged view of a support assembly 14 according to another embodiment of the present application;
FIG. 13 is a partial enlarged view of a planar structure of a support assembly 14 according to another embodiment of the present application;
FIG. 14 is a schematic diagram illustrating a cross-sectional structure of the electronic device in FIG. 1;
FIG. 15 is a schematic diagram illustrating a planar structure of an electronic device according to another embodiment of the present application;
FIG. 16 discloses a partial enlarged structural view of FIG. 14;
FIG. 17 is a partially enlarged schematic cross-sectional view of an electronic device according to another embodiment of the present application;
fig. 18 is a partially enlarged schematic cross-sectional view of an electronic device according to another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and fig. 2, fig. 1 discloses a schematic perspective view of an electronic device according to an embodiment of the present application, and fig. 2 discloses an exploded view of the electronic device in fig. 1. The present application provides a foldable electronic device 100, the electronic device 100 may include a support structure 10 and a flexible display panel 20, the flexible display panel 20 is connected to the support structure 10, the flexible display panel 20 is used for displaying information, and the support structure 10 is used for supporting and fixing the flexible display panel 20.
Wherein, when the electronic device 100 is in a folded state, the flexible display panel 20 may be located on the opposite surface of the support structure 10, i.e., the electronic device 100 is in a folded structure. Alternatively, the flexible display panel 20 may be located on the opposite surface of the support structure 10 when the electronic device 100 is in the folded state, i.e., the electronic device 100 is in the folded configuration. The embodiment of the present application does not limit the folding manner of the electronic device 100.
The electronic device 100 may be any one of a number of electronic devices including, but not limited to, cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, calculators, programmable remote controllers, pagers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving picture experts group (MPEG-1 or MPEG-2), audio layer 3(MP3) players, portable medical devices, and digital cameras and combinations thereof. Of course, the electronic device 100 may be another foldable electronic device 100. The following description will be made by taking the electronic device 100 as a mobile phone as an example.
Referring to fig. 1 and 2, a support structure 10 includes a housing assembly 12 and a support assembly 14. The housing assembly 12 may serve as a carrier for mounting a camera module, a battery module, the flexible display panel 20, and other electronic components such as a motherboard, an antenna, a processor, etc. The housing assembly 12 may serve as a case that can function to protect the electronic components (e.g., motherboard, antenna, battery, processor, etc.) inside the electronic device 100, so the housing assembly 12 may also be referred to as a "protective housing". The housing assembly 12 may include a housing 121 and a rotation shaft assembly 123, the housing 121 being coupled to opposite sides of the rotation shaft assembly 123, the rotation shaft assembly 123 rotatably coupling the housing 121.
For example, in the present embodiment, the housing assembly 12 may include a first housing 121a and a second housing 121 b. The first housing 121a and the second housing 121b are rotatably connected together by the rotating shaft assembly 123 to fold the electronic device 100. Therefore, the rotating shaft assembly 123 can also be used as a part of the casing (or the protective casing) to form the casing (or the protective casing) together with the casing 121. The support member 14 is embedded in the housing member 12, i.e., disposed on the first housing 121a and the second housing 121b, for supporting the flexible display panel 20.
Of course, the number of the housing 121 may also be plural, for example, in an embodiment, the number of the housing 121 is three, and the number of the rotating shaft assembly 123 is two. Specifically, the housing assembly 12 may include a first housing, a second housing, and a third housing, the shaft assembly 123 includes a first shaft assembly and a second shaft assembly, the first housing and the second housing are rotatably coupled together by the first shaft assembly, and the second housing and the third housing are rotatably coupled together by the second shaft assembly. Here, the specific number of the housing 121 and the rotating shaft assembly 123 may be determined according to actual conditions, and the embodiment of the present application is not particularly limited.
It is noted that the terms "first", "second", etc. herein, as well as above and below, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the described features.
It is to be understood that the names of the "first casing", "second casing", "third casing", "housing", and "protective casing" may be interchanged, for example, the "first casing" may also be referred to as "second casing".
Further, as shown in fig. 2 and fig. 3, fig. 3 discloses a perspective view of the housing assembly in fig. 2. The housing 121 includes a bottom plate 125 and a rim 126, and the rim 126 surrounds at least a portion of the periphery of the bottom plate 125 to form a mounting cavity 127. The support assembly 14 is disposed in the mounting cavity 127, and a surface of the support assembly 14 facing away from the housing assembly 12 is used for mounting the flexible display panel 20.
Specifically, in the present embodiment, the bottom plate 125 is substantially rectangular in shape, and the frame 126 may include a first frame 126a, a second frame 126b and a third frame 126 c. The first frame 126a, the second frame 126b, and the third frame 126c are enclosed around the bottom plate 125. The first frame 126a and the third frame 126c are disposed in parallel, and both ends of the second frame 126b are connected to the ends of the first frame 126a and the third frame 126c, respectively. One end of the first frame 126a away from the second frame 126b is connected to the rotating shaft assembly 123. One end of the third frame 126c away from the second frame 126b is connected to the rotating shaft assembly 123.
Referring to fig. 2, 4 and 5, fig. 4 discloses a schematic perspective view of the supporting assembly in fig. 2, and fig. 5 discloses a schematic plan view and a partially enlarged view of the supporting assembly in fig. 4. The support assembly 14 includes a support plate 142 and a resilient return portion 144. The supporting plate 142 is connected to two opposite sides of the elastic bending part 144. The elastic bending part 144 includes a plurality of elastic ribs 146, and the distribution density of the plurality of elastic ribs 146 on the elastic bending part 144 varies in the connection direction between the support plate 142 and the elastic bending part 144.
The distribution density of the elastic ribs 146 refers to the number of the elastic ribs 146 per unit area. In this embodiment, the supporting plate 142 includes a first supporting plate 142a and a second supporting plate 142b, and the first supporting plate 142a and the second supporting plate 142b are connected to two opposite sides of the elastic bending portion 144.
In an embodiment, the first support plate 142a, the second support plate 142b and the elastic bending portion 144 may be steel plates with an integral structure, and the elastic bending portion 144 is formed by etching a plurality of elastic ribs 146, and a space is formed between the plurality of elastic ribs 146. When the support assembly 14 is under lateral tension, the spacing between the elastic ribs 146 can be expanded to two sides, so that the elastic bending portion 144 is stretched; that is, when the supporting structure 10 is attached to the bottom surface of the flexible display panel 20 and the two are in a folded state, the requirement of wrapping the flexible display panel 20 inside more softly can be met by stretching the elastic bending part 144, the flexible display panel 20 is prevented from being severely extruded, all the films in the flexible display panel 20 are prevented from being severely extruded, and then the Polyimide Film (i.e., PI Film) on the innermost layer of the flexible display panel 20 is effectively prevented from being broken, the structural integrity and the normal use function of the flexible display panel 20 are ensured, and the service life of the flexible display panel 20 is prolonged. When the lateral tension applied to the supporting component 14 is removed, that is, when the supporting component 14 and the flexible display panel 20 return to the unfolded state, the gaps between the elastic ribs 146 are restored, and the elastic bending portion 144 is contracted to the original state, so that the supporting function can be continuously realized, the whole flexible display panel 20 can be flattened, and the flatness of the flexible display panel 20 can be improved.
By providing the first support plate 142a, the second support plate 142b and the elastic bending part 144 in an integral structure, the production process of the support assembly 14 can be simplified, and the connection strength of the first support plate 142a, the second support plate 142b and the elastic bending part 144 can be enhanced.
Or, in other alternative embodiments, the first supporting plate 142a, the elastic bending portion 144, and the second supporting plate 142b may also be made of different materials, and then are connected by bonding, welding, or the like, so that the supporting component 14 may be made of a suitable material according to the supporting and bending performance of the flexible display panel 20, so as to improve the user experience.
For example, in one embodiment, the first and second support plates 142a and 142b are steel plates and the elastic ribs 146 are hard rubber strips having elasticity. In addition, the elastic bending portion 144 may be formed in different thicknesses, for example, the first support plate 142a and the second support plate 142b are made of steel sheets and horizontally coplanar, the elastic rib 146 is made of a spring and horizontally laid down, most of the spring may be disposed below the upper surface of the first support plate 142a and the upper surface of the second support plate 142b, a part of the side wall of the spring may be flush with the upper surface of the first support plate 142a and the upper surface of the second support plate 142b, and finally, the two ends of the spring may be fixed to the lower surface of the first support plate 142a and the lower surface of the second support plate 142b, respectively. It is understood that the elastic bending portion 144 may also be in other reasonable and effective forms, which are not described in detail herein.
In this embodiment, after the elastic bending portion 144 is etched, the boundary between the elastic bending portion 144 and the first supporting plate 142a and the boundary between the elastic bending portion 144 and the second supporting plate 142b are subjected to structural mutation, so that the supporting property of the supporting component 14 on the flexible display panel 20 is mutated, and therefore, the light and shadow of the flexible display panel 20 at the boundary between the first supporting plate 142a and the elastic bending portion 144 and the boundary between the second supporting plate 142b and the elastic bending portion 144 are not smooth, thereby reducing the display effect of the flexible display panel 20 and affecting the user experience. The distribution density of a plurality of elastic ribs 146 that this application is located elasticity kink 144 through the setting is unequal, can form the gradual change supporting effect on elasticity kink 144, and then eliminates because of the light and shadow of the flexible display panel 20 that supporting component 14 leads to in the sudden change of handing-over department structure of backup pad 142 and elasticity kink 144, and then promotes the display effect of flexible display panel 20 and user's use experience.
Alternatively, in another embodiment, as shown in fig. 5, the distribution density of the plurality of elastic ribs 146 formed after the elastic bending portion 144 is etched on the elastic bending portion 144 may be set to be equal, so as to simplify the production process of the elastic bending portion 144.
Further, the distribution density of the plurality of elastic ribs 146 on the elastic bend 144 may be arranged to be symmetrical with respect to the rotation center of the elastic bend 144.
In the present embodiment, the first supporting plate 142a and the second supporting plate 142b are disposed on opposite sides of the elastic bending portion 144, and the rotation center of the elastic bending portion 144 refers to a symmetry axis of the elastic bending portion 144 in a direction perpendicular to a connection direction of the supporting plate 142 and the elastic bending portion 144, that is, a symmetry axis of the elastic bending portion 144 in a width direction, as shown in fig. 5 a-a. The first support plate 142a and the second support plate 142b rotate around the axis of symmetry a-a when bent relative to each other. By arranging the distribution density of the plurality of elastic ribs 146 on the elastic bending portion 144 to be symmetrical with respect to the rotation center of the elastic bending portion 144, when the first supporting plate 142a and the second supporting plate 142b are bent relatively, the stress on the elastic bending portion 144 is uniform, and the folding stability of the electronic device 100 is further improved.
Further, in an embodiment, the distribution density of the plurality of elastic ribs 146 may be gradually increased along the direction from the rotation center of the elastic bending portion 144 to the supporting plate 142. That is, the distribution density of the elastic ribs 146 at the two ends of the elastic bending portion 144 is greater than the distribution density of the elastic ribs 146 at the middle position, so as to form a gradual supporting effect with dense sides, sparse middle and constantly changing density.
In an embodiment, referring to fig. 6, fig. 6 discloses a partially enlarged structural view of a planar structure of a supporting assembly in an embodiment of the present application. In the embodiment, the elastic ribs 146 are connecting ribs, the extending direction of the connecting ribs is perpendicular to the connecting direction of the supporting plate 142 and the elastic bending portions 144, and the connecting ribs are disposed at intervals along the connecting direction of the supporting component 14 and are connected to each other to form the grid-shaped elastic bending portions 144.
Specifically, in the present embodiment, the width L of the connecting rib is kept constant in the direction from the rotation center of the elastic bent portion 144 to the support plate 142, i.e., in the direction indicated by the arrow D shown in fig. 5, and the interval H between adjacent connecting ribs becomes gradually smaller.
In another embodiment, referring to fig. 7, fig. 7 discloses a partially enlarged structural schematic view of a planar structure of a support assembly in another embodiment of the present invention, in a direction from a rotation center of the elastic bending portion 144 to the support plate 142, that is, in a direction indicated by an arrow D shown in fig. 5, an interval H between adjacent connection ribs is kept constant, and a width L of the connection ribs is gradually reduced.
Alternatively, in another embodiment, the widths L of the connection ribs are gradually decreased and the intervals H between adjacent connection ribs are gradually decreased along the direction from the rotation center of the elastic bending part 144 to the supporting plate 142, so that the number of the connection ribs per unit length is further increased to further improve the gradual change effect.
In another embodiment, the distribution density of the plurality of elastic ribs 146 may be constant and then gradually increased along the direction from the rotation center of the elastic bending portion 144 to the supporting plate 142. That is, the distribution density of the elastic ribs 146 of the elastic bending portion 144 at the middle position is equal, and the distribution density of the elastic ribs 146 of the elastic bending portion 144 at the two ends is greater than the distribution density of the elastic ribs 146 at the middle position, so that the elastic bending portion 144 is gradually changed only at the edge close to the support plate, which not only can improve the irregularity of the light and shadow of the flexible display panel 20, but also can simplify the manufacturing process of the elastic ribs 146.
Referring to fig. 8, fig. 8 is a partially enlarged view of a plane structure of a support assembly according to another embodiment of the present invention, wherein the width L of the connecting ribs is constant along the direction from the rotation center of the elastic bending portion 144 to the support plate 142, i.e. along the direction indicated by the arrow D shown in fig. 5, and the distance H between adjacent connecting ribs is constant at a position close to the rotation center and gradually decreases at a position close to the support plate 142.
In another embodiment, referring to fig. 9, fig. 9 discloses a partially enlarged structural schematic view of a planar structure of the supporting component 14 in another embodiment of the present invention, in a direction from the rotation center of the elastic bending portion 144 to the supporting plate 142, i.e., in a direction indicated by an arrow D shown in fig. 5, an interval H between adjacent connecting ribs is kept constant, and a width L of the connecting rib is kept constant at a position close to the rotation center and gradually decreases at a position close to the supporting plate 142.
In another embodiment, the distribution density of the plurality of elastic ribs 146 may be gradually decreased along the direction from the rotation center of the elastic bending portion 144 to the supporting plate 142. That is, the distribution density of the elastic ribs 146 at the two ends of the elastic bending portion 144 is less than the distribution density of the elastic ribs 146 at the middle position, so as to form a gradual supporting effect with sparse two sides, dense middle and constantly changing density.
Specifically, as shown in fig. 10, fig. 10 discloses a partially enlarged structural schematic view of a planar structure of a support assembly in a further embodiment of the present invention, in the present embodiment, in a direction from the rotation center of the elastic bending portion 144 to the support plate 142, i.e., in a direction indicated by an arrow D shown in fig. 5, the width L of the connecting ribs is kept constant, and the interval H between adjacent connecting ribs is gradually increased.
In another embodiment, referring to fig. 11, fig. 11 discloses a partially enlarged structural schematic view of a planar structure of the supporting component 14 in another embodiment of the present invention, in a direction from the rotation center of the elastic bending portion 144 to the supporting plate 142, i.e., in a direction indicated by an arrow D shown in fig. 5, an interval H between adjacent connecting ribs is kept constant, and a width L of the connecting ribs is gradually increased.
Alternatively, in another embodiment, the widths L of the connection ribs are gradually increased, the areas of the connection ribs are gradually increased, the intervals H between adjacent connection ribs are gradually increased, the number of the connection ribs is gradually decreased, and the distribution density of the connection ribs is gradually decreased to further improve the gradual change effect.
In another embodiment, the distribution density of the plurality of elastic ribs 146 may be constant and then gradually decreased along the direction from the rotation center of the elastic bending portion 144 to the supporting plate 142. That is, the distribution density of the elastic ribs 146 of the elastic bending portion 144 at the middle position is equal, and the distribution density of the elastic ribs 146 of the elastic bending portion 144 at the two end positions is less than the distribution density of the elastic ribs 146 at the middle position, so that the elastic bending portion 144 is gradually changed only at the first edge close to the first supporting plate 142a and the second supporting plate 142b, which not only can improve the irregularity of light and shadow of the flexible display panel 20, but also can simplify the manufacturing process of the plurality of elastic ribs 146.
Specifically, referring to fig. 12, fig. 12 discloses a partially enlarged structural view of a planar structure of the supporting component 14 in another embodiment of the present invention, in a direction from the rotation center of the elastic bending portion 144 to the supporting plate 142, i.e., in a direction indicated by an arrow D shown in fig. 5, the width L of the connecting rib remains constant, and the interval H between adjacent connecting ribs remains constant at a position close to the rotation center and gradually increases at a position close to the supporting plate 142.
In yet another embodiment, referring to fig. 13, fig. 13 discloses a partially enlarged structural schematic view of a planar structure of the supporting component 14 in yet another embodiment of the present invention, in a direction from a rotation center of the elastic bending portion 144 to the supporting plate 142, i.e., in a direction indicated by an arrow D shown in fig. 5, an interval H between adjacent connecting ribs is kept constant, and a width L of the connecting rib is kept constant at a position close to the rotation center and gradually increased at a position close to the supporting plate 142.
The above embodiment describes the distribution of the elastic ribs 146 with the elongated elastic bending portion 144 and the grid-shaped connecting ribs, it should be understood that in other embodiments, the distribution can be flexibly configured according to the shape of the elastic bending portion 144 and the shape of the connecting ribs, and the embodiments of the present application are not listed.
Further, the elastic bending part 144 is disposed corresponding to the rotating shaft assembly 123. As shown in fig. 2 and fig. 14, fig. 14 discloses a schematic cross-sectional structure diagram of the electronic device in fig. 1. When the supporting component 14 is connected to the housing component 12, the elastic bending portion 144 is disposed corresponding to the rotating shaft component 123 for supporting the bending region of the flexible display panel 20. The first support plate 142a and the first case 121a are disposed correspondingly, and the second support plate 142b and the second case 121b are disposed correspondingly, for supporting the non-bending region of the flexible display panel 20. Thus, when the rotating shaft assembly 123 drives the first housing 121a and the second housing 121b to rotate, the first supporting plate 142a and the second supporting plate 142b can drive the flexible display panel 20 to bend relatively, so that the electronic device 100 can be switched between the folded state and the unfolded state.
In the embodiment, the supporting component 14 is embedded in the casing component 12, the supporting plate 142 includes two end surfaces disposed opposite to each other and a side surface connected between the two end surfaces, one end surface is disposed opposite to the bottom plate 125, and the side surface of the supporting plate 142 is disposed opposite to the side wall of the frame 126.
Further, the supporting plate 142 is elastically connected to the corresponding housing 121, and the housing 121 applies an acting force to the supporting plate 142 away from the elastic bending portion 144.
Specifically, in the present embodiment, as shown in fig. 5 and 14, the first supporting plate 142a is elastically connected to the first shell 121a, and the first shell 121a applies a force to the first supporting plate 142a to depart from the elastic bending portion 144. That is, the first housing 121a applies a force to the first support plate 142a in the leftward direction as viewed in fig. 5. The second supporting plate 142b is elastically connected to the second casing 121b, and the second casing 121b applies an acting force to the second supporting plate 142b to depart from the elastic bending portion 144. That is, the second housing 121b applies a force to the second support plate 142b in the rightward direction as viewed in fig. 5. In this way, the elastic force of the first casing 121a on the first support plate 142a and the elastic force of the second casing 121b on the second support plate 142b are opposite in direction to form opposite stretching forces on the two opposite sides of the elastic bending portion 144, and when the elastic bending portion 144 marks (e.g., dents or arches) on the electronic device 100 after a long period of static bending or multiple dynamic bending, the opposite stretching forces on the two opposite sides of the elastic bending portion 144 pull the elastic bending portion 144 to counteract the dents or arches on the flexible display panel 20, so that the flexible display panel 20 is in a tight and straight state when being unfolded, thereby reducing the marks on the flexible display panel 20.
In another embodiment, when the number of the housing 121 is three and the number of the rotating shaft assembly 123 is two, the number of the supporting plates 142 is also three, and the number of the elastic bending parts 144 is two. Fig. 15 is a schematic plan view illustrating an electronic device according to another embodiment of the present application, as shown in fig. 15. The supporting plate 142 may include a first supporting plate 142a, a second supporting plate 142b and a third supporting plate 142c, the elastic bending part 144 includes a first elastic bending part 144a and a second elastic bending part 144b, the first supporting plate 142a and the second supporting plate 142b are connected together by the first elastic bending part 144a, and the second supporting plate 142b and the third supporting plate 142c are connected together by the second elastic bending part 144 b. The first supporting plate 142a and the first housing 121a are correspondingly disposed, the first elastic bending portion 144a and the first rotating shaft assembly 123 are correspondingly disposed, the second supporting plate 142b and the second housing 121b are correspondingly disposed, the second elastic bending portion 144b and the second rotating shaft assembly 123 are correspondingly disposed, and the third supporting plate 142c and the third housing 121c are correspondingly disposed.
Specifically, in the present embodiment, the first supporting plate 142a is elastically connected to the first casing 121a, and the first casing 121a applies a force to the first supporting plate 142a, which is away from the elastic bending portion 144. That is, the first housing 121a applies a force to the first support plate 142a in the leftward direction as viewed in fig. 15. The second supporting plate 142b is elastically connected to the second casing 121b, and the second casing 121b applies an acting force to the second supporting plate 142b to depart from the first elastic bending portion 144a, and applies an acting force to the second supporting plate 142b to depart from the second elastic bending portion 144 b. That is, the second casing 121b applies a force to the second support plate 142b in the rightward direction shown in fig. 15, and the second casing 121b applies a force to the second support plate 142b in the leftward direction shown in fig. 15. The third supporting plate 142c is elastically connected to the third casing 121c, and the third casing 121c applies an acting force to the third supporting plate 142c to depart from the second elastic bending portion 144b, and applies an acting force to the third supporting plate 142c to depart from the second elastic bending portion 144 b. That is, the third casing 121c applies a force to the third support plate 142c in the rightward direction as viewed in fig. 15. Thus, the elastic force of the first shell 121a on the first support plate 142a and the elastic force of the second shell 121b on the second support plate 142b are opposite in direction, so as to form tensile forces opposite in direction on the two opposite sides of the first elastic bending portion 144a, when the first elastic bending portion 144a undergoes a long-time static bending or multiple dynamic bending to generate marks (e.g., dents or arches), the reverse tensile forces on the two opposite sides of the first elastic bending portion 144a pull the first elastic bending portion 144a to counteract the dents or arches on the first elastic bending portion 144a, so that the first elastic bending portion 144a is in a tight and straight state when being unfolded, thereby reducing the marks on the first elastic bending portion 144 a. The elastic force of the second shell 121b on the second supporting plate 142b is opposite to the elastic force of the third shell 121c on the third supporting plate 142c, so as to form tensile forces with opposite directions on opposite sides of the second elastic bending portion 144b, when the second elastic bending portion 144b undergoes a long-time static bending or multiple dynamic bending to generate marks (e.g., dents or arches), the opposite tensile forces on opposite sides of the second elastic bending portion 144b pull the second elastic bending portion 144b to counteract the dents or arches on the second elastic bending portion 144b, so that the second elastic bending portion 144b is in a tight and straight state when being unfolded, thereby reducing the marks on the second elastic bending portion 144 b.
Of course, in other alternative embodiments, when the number of the housings 121 is four, five, etc., the arrangement form of the rotating shaft assembly 123, the supporting plate 142 and the elastic bending portion 144 refers to the description of the above embodiments, and is not listed here.
The elastic connection structure between the first support plate 142a and the first housing 121a is substantially the same as the elastic connection structure between the second support plate 142b and the second housing 121b, and the elastic connection structure between the first support plate 142a and the first housing 121a will be described in detail below as an example.
As shown in fig. 5, 14 and 16, fig. 16 discloses a partial enlarged structural diagram of fig. 14. The abutting portion 122 and the supporting portion 141 are respectively disposed on the surfaces of the first housing 121a and the first supporting plate 142a, and the abutting portion 122 is disposed at an interval on one side of the supporting portion 141 facing the elastic bending portion 144 along the connecting direction of the housing assembly 12. The support structure 10 includes an elastic member 16, and the elastic member 16 is elastically interposed between the abutting portion 122 and the supporting portion 141 to elastically connect the first housing 121a and the first supporting plate 142 a.
Specifically, the connecting direction of the housing assembly 12 is the direction indicated by the arrow shown in fig. 5, 14. The abutting portions 122 are provided at intervals on one side of the supporting portion 141 facing the elastic bending portion 144 in the connecting direction of the housing assembly 12, that is, the abutting portions 122 are provided on the right side of the supporting portion 141 in the direction indicated by the arrow in fig. 16. The elastic member 16 is elastically interposed between the abutting portion 122 and the supporting portion 141, and the elastic member 16 applies an urging force to the supporting portion 141 away from the abutting portion 122, that is, the elastic member 16 applies an urging force to the supporting portion 141 and the first supporting plate 142a connected to the supporting portion 141 in the leftward direction shown in fig. 16.
As shown in fig. 3, 4 and 16, the first casing 121a is provided with a groove 124, the supporting portion 141 protrudes from the surface of the first supporting plate 142a and is inserted into the groove 124, the abutting portion 122 is a sidewall of the groove 124 located on the side of the supporting portion 141 facing the rotating shaft assembly 123, and the elastic element 16 is elastically clamped between the supporting portion 141 and the sidewall of the groove 124.
Specifically, in the present embodiment, the groove 124 is provided on the surface of the bottom plate 125 opposite to the first support plate 142a, the support portion 141 is provided on the surface of the first support plate 142a facing the bottom plate 125, when the first support plate 142a is disposed in the first casing 121a, the support portion 141 is inserted into the groove 124, and the support portion 141 is disposed at a distance from the sidewall of the groove 124. The elastic member 16 is elastically interposed between the supporting portion 141 and the sidewall of the groove 124, and thus, the elastic connection of the first supporting plate 142a and the bottom plate 125 is achieved. By forming the groove 124 on the first housing 121a and inserting the supporting portion 141 into the groove 124, the size of the supporting structure 10 in the thickness direction can be reduced, and the electronic device 100 can be made thinner.
In one embodiment, the elastic member 16 may be a spring. The spring is elastically interposed between the supporting portion 141 and the sidewall of the groove 124. The spring is adopted as the elastic member 16, and the spring has the advantages that the spring is a common elastic element, is convenient to replace when a part is damaged, has good extensibility, is easy to extrude, and has larger reaction force when being extruded to a certain degree.
Further, as shown in fig. 3 and 16, a first limiting portion 128 is disposed on a surface of the abutting portion 122 facing the spring, a second limiting portion 143 is disposed on a surface of the supporting portion 141 facing the spring, one end of the spring is in limiting fit with the first limiting portion 128, and the other end of the spring is in limiting fit with the second limiting portion 143. By respectively arranging the first limiting part 128 and the second limiting part 143 on the abutting part 122 and the supporting part 141 towards one side of the elastic part 16, the elastic part 16 can be limited and positioned at the opposite ends, on one hand, the elastic part 16 can be fixed, the folding or unfolding process of the electronic device 100 is avoided, the elastic part 16 is displaced, on the other hand, the elastic part 16 can also be guided, so that the direction of the reaction force of the elastic part 16 on the supporting part 141 is along the connecting direction of the shell assembly 12, and further the stretching effect of the first supporting plate 142a on the elastic bending part 144 is improved.
In this embodiment, as shown in fig. 16, the first position-limiting portion 128 and the second position-limiting portion 143 are position-limiting grooves, and the spring is inserted into the position-limiting grooves.
Specifically, a first stopper groove having a cross-sectional size slightly larger than the outer diameter of the spring of the corresponding side is provided on the surface of the support portion 141 facing the spring. A second limit groove having a cross-sectional dimension slightly larger than the outer diameter of the spring on the corresponding side is provided on the surface of the abutting portion 122 facing the spring. The first limiting groove and the second limiting groove are oppositely arranged along the connecting direction of the shell component 12, and the two opposite ends of the spring are respectively inserted into the first limiting groove and the second limiting groove on the corresponding sides. By respectively providing the limiting grooves on the supporting portion 141 and the abutting portion 122 and accommodating the opposite ends of the spring in the limiting grooves, the size of the spring can be reduced, and further the size of the electronic device 100 along the connecting direction of the housing assembly 12 can be reduced, the size of the electronic device 100 can be reduced, and the electronic device 100 can be further miniaturized.
In another embodiment, as shown in fig. 17, fig. 17 discloses a partially enlarged structural schematic view of a cross-sectional structure of an electronic device in another embodiment of the present application. The first position-limiting portion 128 and the second position-limiting portion 143 may be convex columns, and opposite ends of the spring are respectively sleeved on the peripheries of the convex columns.
Specifically, the supporting portion 141 protrudes toward the surface of the spring to form a first protruding pillar, the cross-sectional dimension of the first protruding pillar is slightly smaller than the inner diameter of the spring, the abutting portion 122 is provided with a second protruding pillar on the surface of the spring, the cross-sectional dimension of the second protruding pillar is slightly smaller than the inner diameter of the spring, the first protruding pillar and the second protruding pillar are arranged oppositely along the connecting direction of the housing assembly 12, and the opposite ends of the spring are respectively sleeved on the first protruding pillar and the second protruding pillar.
The first protruding pillar and the supporting portion 141 may be an integral structure, or the first protruding pillar and the supporting portion 141 may be fixed by welding, screwing, or the like. The second protruding pillar and the abutting portion 122 may be an integral structure, or the second protruding pillar and the second supporting portion may be fixed by welding, screwing, or the like.
In other embodiments, the elastic member 16 may be made of foam, elastic sheet, or silicone. For example, in one embodiment, the elastic member 16 is foam. The foam is interposed in the gap between the abutting portion 122 and the supporting portion 141. By adopting foam as the elastic member 16, the fixing structure provided on the abutting portion 122 and the supporting portion 141 can be omitted, thereby simplifying the structural complexity of the housing 121 and the supporting plate 142 and improving the production efficiency. In another embodiment, the elastic member 16 may be a spring plate, and the spring plate is elastically clamped in a gap between the abutting portion 122 and the supporting portion 141. By using the elastic piece as the elastic member 16, the elastic force of the elastic piece to the abutting portion 122 and the supporting portion 141 can be enhanced.
In another embodiment, please refer to fig. 18, fig. 18 discloses a partially enlarged structural diagram of a cross-sectional structure of an electronic device in another embodiment of the present application. The structure of the present embodiment is substantially the same as that of the electronic device 100 in the above embodiment, and the same parts in the above embodiment are not repeated herein, but the present embodiment is different from the above embodiment in that in the present embodiment, the abutting portion 122 protrudes from the surface of the bottom plate 125 facing the first supporting plate 142a, the supporting portion 141 protrudes from the surface of the first supporting plate 142a facing the bottom plate 125, and the abutting portion 122 and the supporting portion 141 are disposed at an interval in the connection direction of the housing assembly 12.
In the present embodiment, as shown in fig. 3, 4 and 18, the abutting portion 122 is provided on the surface of the bottom plate 125 facing the first support plate 142a, and the support portion 141 is provided on the end surface of the first support plate 142a facing the bottom plate 125. By providing the abutting portion 122 and the supporting portion 141 in the region between the bottom plate 125 and the first support plate 142a, the size of the abutting portion 122 and the supporting portion 141 can be increased, facilitating mounting and assembly.
Further, one abutting portion 122, the supporting portion 141 and the elastic member 16, which are mutually matched, form a set of elastic mechanisms, the number of the elastic mechanisms is at least two, and at least two sets of elastic mechanisms are arranged at intervals along the connecting direction perpendicular to the housing assembly 12.
In the present embodiment, as shown in fig. 3 and 4, the number of the elastic mechanisms is two, and the two sets of elastic mechanisms are disposed at intervals along the direction perpendicular to the connection direction of the housing assembly 12, that is, the two sets of elastic mechanisms are disposed along the length direction of the elastic bending portion 144. By arranging the elastic mechanisms to be distributed at intervals along the connecting direction perpendicular to the housing assembly 12, the stress on the elastic bending portion 144 in the length direction can be uniform, so as to improve the stability of the stretching of the elastic bending portion 144.
Optionally, in this embodiment, two sets of elastic mechanisms may be disposed at the positions of the bottom plate 125 near the frames 126 at two opposite sides to form stable stretching at two opposite sides of the elastic bending portion 144.
In other embodiments, the number of the elastic mechanisms may also be three, four, five, etc., and the multiple groups of elastic mechanisms are uniformly spaced along the length direction of the elastic bending portion 144 to improve the uniformity of the stress and the stability of the stretching of the elastic bending portion 144, so as to eliminate the mark.
Further, the connecting lines of the elastic mechanisms on the opposite sides of the rotating shaft assembly 123 are parallel to the connecting direction of the housing assembly 12.
Specifically, as shown in fig. 3 and 4, the number of the elastic mechanisms between the first housing 121a and the first support plate 142a and the number of the elastic mechanisms between the second housing 121b and the second support plate 142b are equal and are arranged in one-to-one correspondence. Thus, the two elastic mechanisms are oppositely disposed at two opposite sides of the elastic bending portion 144 along the connection direction of the housing assembly 12, so that the direction of the tensile force of the first housing 121a on the first supporting plate 142a and the direction of the tensile force of the second housing 121b on the second supporting plate 142b are collinear, and then the elastic bending portion 144 can be stably stretched, thereby improving the stretching effect of the elastic mechanisms on the elastic bending portion 144.
In the above embodiment, the elastic mechanism is disposed between the surface of the bottom plate 125 facing the support plate 142 and the end surface of the support plate 142. Alternatively, in another embodiment, the elastic mechanism may be disposed between the surface of the frame 126 facing the support plate 142 and the side of the support plate 142 facing the frame 126.
The structure of the abutting portion disposed on the frame 126 is substantially the same as that in the above embodiment, and the structure of the supporting portion disposed on the side surface of the supporting plate 142 is substantially the same as that in the above embodiment, and the detailed structure of the elastic mechanism is not described herein again. By disposing the elastic mechanism between the side of the frame 126 and the side of the supporting plate 142, the elastic mechanism can be prevented from occupying the inner space of the housing assembly 12 and interfering with the electronic components disposed in the housing assembly 12, so that the relative positions of the electronic components in the housing assembly 12 are closer, and the size of the electronic device 100 is reduced.
Alternatively, in the present embodiment, the number of the elastic mechanisms is two, and the two sets of elastic mechanisms are disposed on two opposite sides of the supporting plate 142 along the direction perpendicular to the connecting direction of the housing assembly 12. By providing the elastic structures on the two opposite sides of the supporting plate 142, the uniformity of the acting force of the housing assembly 12 on the supporting assembly 14 can be improved, and the stability of the rotation of the elastic bending portion 144 can be improved.
Further, referring to fig. 2 and 14, the flexible display panel 20 is connected to a side of the supporting member 14 facing away from the housing member 12.
In an embodiment, the flexible display panel 20 may be adhered and fixed to a side of the supporting component 14 away from the housing component 12 through a back adhesive, so as to enhance the adhesion between the flexible display panel 20 and the supporting component 14, and facilitate the supporting component 14 to drive the flexible display panel 20 to bend or unfold.
Or, one side of the flexible display panel 20 away from the support component 14 may be provided with a light-shielding glue or a light-shielding sheet, on one hand, the flexible display panel 20 may be fixed to the support component 14, and on the other hand, the side of the flexible display panel 20 may be shielded, so as to avoid exposure of internal light and influence on the display effect.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (16)
1. The utility model provides a supporting component of flexible display panel for support flexible display panel, its characterized in that, supporting component includes backup pad and elasticity kink, the backup pad connect in the relative both sides of elasticity kink, the elasticity kink includes a plurality of elastic ribs the backup pad with in the direction of connection of elasticity kink, a plurality of elastic ribs are in distribution density on the elasticity kink is not equal.
2. The support assembly of claim 1, wherein the distribution density of the plurality of elastic ribs on the elastic bend is symmetrical about a center of rotation of the elastic bend.
3. The support assembly of claim 2, wherein the plurality of elastic ribs are distributed with a gradually increasing density in a direction from the rotation center of the elastic bending portion to the support plate.
4. The support assembly according to claim 3, wherein the elastic ribs are connection ribs, the extension direction of the connection ribs is perpendicular to the connection direction of the support plate and the elastic bending portion, and the connection ribs are connected with each other to form a grid structure.
5. The support assembly according to claim 4, wherein the width of the connection rib is constant and the interval between the adjacent connection ribs is gradually reduced in a direction from the rotation center of the elastic bending portion to the support plate.
6. The support assembly according to claim 4, wherein the interval between the adjacent connection ribs is kept constant in a direction from the rotation center of the elastic bending portion to the support plate, and the width of the connection rib is gradually reduced.
7. The support assembly according to claim 4, wherein the width of the connection rib is gradually decreased and the interval between the adjacent connection ribs is gradually decreased in a direction from the rotation center of the elastic bending portion to the support plate.
8. The support assembly of claim 2, wherein the plurality of elastic ribs are distributed with a density that gradually decreases in a direction from the center of rotation of the elastic bending portion to the support plate.
9. The support assembly according to claim 8, wherein the elastic ribs are connection ribs, the extension direction of the connection ribs is perpendicular to the connection direction of the support plate and the elastic bending portion, and the connection ribs are connected with each other to form a grid structure.
10. The support assembly according to claim 9, wherein the interval between the adjacent connection ribs is kept constant in a direction from the rotation center of the elastic bending portion to the support plate, and the width of the connection rib is gradually increased.
11. The support assembly according to claim 9, wherein the width of the connecting ribs is constant in a direction from the rotation center of the elastic bending portion to the support plate, and the interval between the adjacent connecting ribs is gradually increased.
12. The support assembly according to claim 9, wherein the width of the connecting rib is gradually increased and the interval between the adjacent connecting ribs is gradually increased along the direction from the rotation center of the elastic bending portion to the support plate.
13. The support assembly of claim 2, wherein the distribution density of the plurality of elastic ribs is constant and then gradually increased along the direction from the rotation center of the elastic bending portion to the support plate.
14. The support assembly of claim 2, wherein the distribution density of the plurality of elastic ribs is constant and then gradually decreases along the direction from the rotation center of the elastic bending portion to the support plate.
15. The support assembly of claim 1, wherein the support plate and the resilient return portion are integrally formed steel sheets, and the resilient return portion is etched to form the plurality of resilient ribs.
16. An electronic device, characterized in that the electronic device comprises a flexible display panel and a support assembly according to any of claims 1-15, the flexible display panel being arranged on the support assembly.
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| CN202010311586.9A CN111477107A (en) | 2020-04-20 | 2020-04-20 | Electronic device and supporting assembly thereof |
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| CN202010311586.9A CN111477107A (en) | 2020-04-20 | 2020-04-20 | Electronic device and supporting assembly thereof |
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| CN111477107A true CN111477107A (en) | 2020-07-31 |
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| CN112164311A (en) * | 2020-09-27 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Flexible substrate, flexible display panel and display device |
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Application publication date: 20200731 |
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| RJ01 | Rejection of invention patent application after publication |