CN114980638A

CN114980638A - Supporting plate, shell assembly, display module and electronic equipment

Info

Publication number: CN114980638A
Application number: CN202210531213.1A
Authority: CN
Inventors: 刘宇; 龚河卿; 范鹏辉
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-30
Anticipated expiration: 2042-05-16
Also published as: CN114980638B

Abstract

The application discloses backup pad, casing subassembly, display module assembly and electronic equipment relates to smart machine technical field. The utility model provides a carbon fiber bearing layer and ground layer for bearing flexible display screen, specifically include the range upon range of setting in the thickness direction of supporting plate, carbon fiber bearing layer includes the first portion of bearing of arranging on the first direction with thickness direction vertically, kink and second bearing portion, first bearing portion and second bearing portion do not are located the both sides of kink extending direction, and be connected with the kink respectively, first bearing portion and second bearing portion configure to and are close to each other when the kink buckles, with the fifty percent discount, or keep away from each other when the kink is flat, with the expansion, the ground layer is for stepping down the space corresponding to the position of kink. This application aims at realizing the effect that the backup pad subtracts heavy through the carbon fiber that density is lighter, realizes the effect of ground connection through the ground plane in addition, can realize the demand of flexible display screen or other electronic components ground connection for example.

Description

Supporting plate, shell assembly, display module and electronic equipment

Technical Field

The application relates to the technical field of intelligent equipment, in particular to a supporting plate, a shell assembly, a display module and electronic equipment.

Background

At present, a flexible display screen is supported by a support plate which is mostly adopted by a folding screen mobile phone, and the support plate is a steel sheet, so that the weight of the support plate is large due to the large density of the steel sheet, and the folding screen mobile phone is heavier.

Disclosure of Invention

On the one hand, this application embodiment provides a backup pad for bear flexible display screen, include the carbon fiber bearer layer and the ground plane of range upon range of setting in the thickness direction of backup pad, the carbon fiber bearer layer include with first bearing part, kink and the second bearing part of arranging on the first direction of thickness direction vertically, first bearing part with the second bearing part is located respectively the both sides of kink extending direction, and respectively with the kink is connected, first bearing part with the configuration of second bearing part is in the kink is close to each other when bending to the fifty percent discount, or the kink is flattened and is kept away from each other when spreading, in order to expand, the ground plane corresponds to the position of kink is for stepping down the space.

On the other hand, this application embodiment still provides a casing subassembly, includes:

a first housing and a second housing;

the rotating shaft is arranged between the first shell and the second shell, and the first shell and the second shell are rotatably connected through the rotating shaft so as to be unfolded or folded;

a support plate disposed on the first housing and the second housing, and located at the same side of the first housing and the second housing when the first housing and the second housing are unfolded, the support plate including:

the carbon fiber bearing layer comprises a bending part, and a first bearing part and a second bearing part which are positioned on two opposite sides of the bending part, the first bearing part and the second bearing part are respectively connected with the bending part, the bending part is arranged corresponding to the rotating shaft, the first bearing part is arranged corresponding to the first shell, the second bearing part is arranged corresponding to the second shell, and the bending part can be configured to be bent when the first shell and the second shell are folded or be unfolded when the first shell and the second shell are unfolded;

the grounding layer is stacked with the supporting plate and is positioned on the same side of the carbon fiber bearing layer facing the first shell and the second shell when the first shell and the second shell are unfolded, and the part of the grounding layer corresponding to the bending part is an abdicating space.

On the other hand, this application embodiment still provides a display module assembly, including flexible display screen and with the backup pad that flexible display screen range upon range of setting, the backup pad includes:

the carbon fiber bearing layer is stacked with the flexible display screen and comprises a bending part, a first bearing part and a second bearing part, wherein the first bearing part and the second bearing part are positioned on two opposite sides of the bending part and are respectively connected with the bending part;

the grounding layer is stacked with the support plate and located on one side, far away from the flexible display screen, of the carbon fiber bearing layer, and the portion, corresponding to the bending portion, of the grounding layer is an abdicating space.

On the other hand, an embodiment of the present application further provides an electronic device, including:

a first housing and a second housing;

the rotating shaft is arranged between the first shell and the second shell, and the first shell and the second shell are rotationally connected through the rotating shaft so as to be unfolded or folded;

the backup pad sets up on first casing and the second casing, and when first casing and second casing expand, be located same one side of first casing and second casing includes:

the grounding layer is stacked with the supporting plate and is positioned on the same side of the carbon fiber bearing layer facing the first shell and the second shell when the first shell and the second shell are unfolded, and the part of the grounding layer corresponding to the bending part is an abdicating space;

the flexible display screen is stacked on the supporting plate and located on one side, away from the ground layer, of the carbon fiber bearing layer, and the position, corresponding to the bending portion, of the flexible display screen can be configured to be bent when the bending portion is bent or unfolded when the bending portion is unfolded.

Adopt this application technical scheme, the beneficial effect who has does: the material of backup pad includes the carbon fiber bearing layer in this application, aims at realizing the backup pad through the carbon fiber that density is lighter and subtracts heavy effect, in addition, has set up the ground plane with the range upon range of setting of carbon fiber bearing layer in the backup pad to realize the effect of ground connection through the ground plane, can realize the demand of flexible display screen or other electronic components ground connection for example.

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 is a schematic perspective view of an electronic device in an unfolded state according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of the electronic device shown in FIG. 1 in an unfolded state;

FIG. 3 is an exploded view of the electronic device shown in FIG. 1 in an expanded state;

FIG. 4 is a schematic diagram of the electronic device of the embodiment shown in FIG. 1 in a folded state in one embodiment;

FIG. 5 is a schematic structural diagram of the electronic device in the embodiment of FIG. 4 in a folded state in another embodiment;

FIG. 6 is a schematic structural view of the support plate in the embodiment of FIG. 2;

FIG. 7 is a schematic structural view of the support plate in the embodiment of FIG. 6;

FIG. 8 is a schematic structural view of a support plate in another embodiment of the embodiment of FIG. 7;

FIG. 9 is a schematic structural view of a support plate in another embodiment of the embodiment of FIG. 7;

FIG. 10 is a schematic view of the structure of portion A of the embodiment shown in FIG. 7;

FIG. 11 is a schematic structural view of a bent portion of the embodiment shown in FIG. 10 in another embodiment;

FIG. 12 is a schematic structural view of a bent portion of the embodiment shown in FIG. 10 in another embodiment;

FIG. 13 is a schematic structural view of a bent portion of the embodiment shown in FIG. 10 in another embodiment;

FIG. 14 is a schematic structural view of a bent portion of the embodiment shown in FIG. 10 in another embodiment;

FIG. 15 is a schematic structural view of a support plate in another embodiment of the embodiment of FIG. 7;

fig. 16 is a schematic structural diagram of an electronic device according to an 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 obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, "electronic equipment" (which may also be referred to as a "terminal" or "mobile terminal" or "electronic device") includes, but is not limited to, devices that are configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic perspective view illustrating an electronic device in an expanded state according to an embodiment of the present disclosure, fig. 2 is a schematic structural view illustrating the electronic device in the expanded state according to the embodiment of fig. 1, and fig. 3 is a schematic exploded structural view illustrating the electronic device in the expanded state according to the embodiment of fig. 1. The electronic device 100 may be any 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.

The electronic device 100 may include a housing assembly 10, a flexible display screen 20 disposed on the housing assembly 10, and a support plate 30 disposed between the housing assembly 10 and the flexible display screen 20. The housing assembly 10 may be used to carry the flexible display screen 20 and the support plate 30, and may also be used to carry electronic components such as mounting circuit boards, batteries, cameras, sensors, processors, antennas, and the like. A flexible display screen 20 is provided on the housing assembly 10 for displaying information. The supporting plate 30 is used for supporting the flexible display 20 so as to ensure the flatness and the flexibility of the flexible display 20. In some scenarios, the surface area of the side of the support plate 30 facing the flexible display screen 20 is large enough that the surface of the side of the flexible display screen 20 facing the support plate 30 is connected only to the support plate 30.

It is understood that in some embodiments, the support plate 30 may be included as part of the housing assembly 10. In some embodiments, the flexible display panel 20 can be disposed on the supporting plate 30 to form the display module 200, and of course, the display module 200 is not limited to the flexible display panel 20 and the supporting plate 30, and may also include other structures.

Referring to fig. 1, 2 and 3, the housing assembly 10 can be used as a carrier for mounting a camera, a battery, a flexible display 20 and other electronic components such as a motherboard, an antenna, a processor (the processor can be disposed on the motherboard), and the like.

The housing assembly 10 may include a first housing 11, a second housing 12, and a shaft 13. The first housing 11 and the second housing 12 are rotatably connected together by a hinge 13 to realize folding of the electronic device 100.

It should be noted that the terms "first", "second", … …, etc. herein, and above and below, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," … …, etc. may explicitly or implicitly include one or more of the described features.

Referring to fig. 2, fig. 4 and fig. 5, fig. 4 is a schematic structural view of the electronic device 100 in the embodiment shown in fig. 1 when in a folded state in one embodiment, and fig. 5 is a schematic structural view of the electronic device 100 in the embodiment shown in fig. 4 when in a folded state in another embodiment. The first and

second housings

11 and 12 are rotated by the rotation shaft 13 to be unfolded or folded by the rotation shaft 13. For example, to the deployed state shown in fig. 2. For example, to a folded state as shown in fig. 4. For example, to a folded state as shown in fig. 5.

Referring to fig. 1, 2 and 3, the supporting plate 30 may be disposed on the housing assembly 10, such as the first housing 11, the second housing 12 and the rotating shaft 13, to support the flexible display 20.

The supporting plate 30 is located on the same side of the flexible display 20 as the first housing 11, the second housing 12 and the rotating shaft 13 when the electronic device 100 is in the unfolded state.

The support plate 30 is connected to the non-display surface side of the flexible display 20 such that the flexible display 20 displays messages on the display surface side without being obscured by the support plate 30. That is, the side of the flexible display 20 away from the supporting plate 30 is the display surface.

Referring to fig. 2, 4 and 5, flexible display screen 20 and support panel 30 are disposed on housing assembly 10 and are bendable (also referred to as "bendable") when housing assembly 10 is folded and flattens when housing assembly 10 is unfolded.

Referring to fig. 4, the first housing 11 and the second housing 12 of the housing assembly 10 can be folded to a side away from the flexible display 20 and the supporting plate 30, so that the first housing 11 and the second housing 12 are stacked to complete the folding. The flexible display 20 and the support plate 30 may be disposed on a surface of the first housing 11 away from the second housing 12 and a surface of the second housing 12 away from the first housing 11.

Referring to fig. 5, the first housing 11 and the second housing 12 of the housing assembly 10 can be folded toward a side close to the flexible display 20 and the supporting plate 30, so that the first housing 11 and the second housing 12 are stacked and fastened to complete the folding. The flexible display 20, the support plate 30 may in turn be sandwiched between the first housing 11 and the second housing 12. The flexible display 20 and the support plate 30 may be disposed on a surface of the first housing 11 near the second housing 12 and a surface of the second housing 12 near the first housing 11.

Referring to fig. 6 and 7, fig. 6 is a schematic structural view of the supporting plate 30 in the embodiment shown in fig. 2, and fig. 7 is a schematic structural view of the supporting plate 30 in the embodiment shown in fig. 6. The support plate 30 may include a carbon fiber bearing layer 31 and a ground layer 32 that are stacked in a thickness direction of the support plate 30. The carbon fiber carrier layer 31 is disposed between the flexible display screen 20 and the ground layer 32 to support the flexible display screen 20. A ground layer 32 may be disposed between the carbon fiber bearing layer 31 and the housing assembly 10 for grounding. For example, the ground layer 32 is electrically connected to the housing assembly 10, and the housing assembly 10 or the ground layer 32 is grounded. For example, the ground layer 32 is electrically connected to the flexible display screen 20, and the flexible display screen 20 or the ground layer 32 is grounded.

Referring to fig. 6 and 7, the carbon fiber bearing layer 31 may include a bending portion 311, a first bearing portion 312 and a second bearing portion 313 arranged in a first direction perpendicular to the thickness direction of the supporting plate 30, wherein the first bearing portion 312 and the second bearing portion 313 are respectively located at two sides of the extending direction of the bending portion 311 and are respectively connected to the bending portion 311.

Referring to fig. 4, fig. 5 and fig. 6, the bending portion 311 may be disposed corresponding to the rotating shaft 13. The bent portion 311 may be bent when the first and

second housings

11 and 12 are folded. Referring to fig. 3, the bending portion 311 can also be flattened when the first housing 11 and the second housing 12 are unfolded. The bending portion 311 realizes folding and unfolding of the flexible display 20.

Referring to fig. 6 and 7, the first bearing portion 312 is disposed corresponding to the first housing 11 so as to be fixed to the first housing 11. The second bearing part 313 is provided corresponding to the second housing 12 so as to be fixed to the second housing 12.

Referring to fig. 6, a portion of the ground layer 32 corresponding to the bending portion 311 is a relief space 33. That is, the ground layer 32 may be broken at a portion corresponding to the bending portion 311 to form a relief space 33, so as to avoid the bending effect of the bending portion 311 from being affected by the excessive rigidity of the ground layer. In some scenarios, the bending portion 311 may be disposed on the rotating shaft 13.

The ground layer 32 may be formed by a first ground layer 321 stacked on the carbon fiber carrier layer 31, e.g., the first carrier portion 312, and a second ground layer 322 stacked on the carbon fiber carrier layer 31, e.g., the second carrier portion 313, after being broken at a portion corresponding to the relief space 33. The first ground layer 321 is disposed corresponding to the first housing 11. The second ground layer 322 is disposed corresponding to the second housing 12. The first ground layer 321 and the second ground layer 322 are spaced apart to be located at opposite sides of the abdicating space 33.

The first ground layer 321 may be directly disposed on the first housing 11. The first ground layer 321 may include a first ground plate 323 and a first insulating layer 324 stacked. The first grounding plate 323 is connected to the carbon fiber carrier layer 31, for example, the first carrier part 312, through the first insulating layer 324. The first ground patch 323 is disposed on a side of the carbon fiber bearing layer 31, e.g., the first bearing portion 312, away from the flexible display 20. The first ground pad 323 may be disposed between the first insulating layer 324 and the first case 11. In some embodiments, the first ground tab 323 may be connected with the first housing 11. In some embodiments, the first insulating layer 324 may be a non-conductive glue. In some embodiments, the first insulating layer 324 may be omitted and may be bonded by epoxy or polyacrylate glue or hot melt, or may be formed by carbon fiber hot press molding. In some scenarios, the carbon fiber bearing layer 31, e.g., the first bearing part 312, is provided with a thermosetting resin, and the first grounding plate 323 can be bonded to the carbon fiber bearing layer 31, e.g., the first bearing part 312, by thermoplastic molding using the thermosetting resin in the carbon fiber bearing layer 31, e.g., the first bearing part 312. Of course, the first grounding plate 323 and the carbon fiber bearing layer 31, such as the first bearing portion 312, may be connected together by other means.

The second ground layer 322 may be disposed directly on the second housing 12. The second ground layer 322 may include a second ground pad 325 and a second insulating layer 326 stacked. The second ground plate 325 is connected to the carbon fiber carrier layer 31, for example, the second carrier portion 313, through the second insulating layer 326. The second grounding plate 325 is disposed on a side of the carbon fiber bearing layer 31, for example, the second bearing portion 313, away from the flexible display 20. The first grounding plate 323 and the second grounding plate 325 are disposed at an interval, so that the first grounding plate 323 and the second grounding plate 325 are respectively located at two sides of the yielding space 33. The first insulating layer 324 and the second insulating layer 326 are disposed at an interval, such that the first insulating layer 324 and the second insulating layer 326 are respectively located at two sides of the yielding space 33. The second ground pad 325 may be disposed between the second insulating layer 326 and the second case 12. In some embodiments, the second ground tab 325 may be connected with the second housing 12. In some embodiments, the second insulating layer 326 may be a non-conductive glue. In some embodiments, the second insulating layer 326 may be omitted and may be bonded by epoxy or polyacrylate glue or hot melt, or may be formed by carbon fiber hot press molding. In some scenarios, the carbon fiber bearing layer 31, such as the second bearing part 313, is provided with a thermosetting resin, and the adhesion of the second ground plate 325 to the carbon fiber bearing layer 31, such as the second bearing part 313, can be achieved in a thermoplastic molding process by using the thermosetting resin in the carbon fiber bearing layer 31, such as the second bearing part 313. Of course, the second grounding plate 325 and the carbon fiber bearing layer 31, such as the second bearing part 313, may be connected together in other manners.

In some scenarios, the first insulating layer 324 and the second insulating layer 326 may be connected to form a single insulating layer to be disposed in the offset space 33 and disposed between the carbon fiber carrying layer 31, such as the bending portion 311 and the rotating shaft 13, to achieve an insulating configuration, so that in some scenarios, the circuit traces at the bending portion 311 are prevented from being electrically conductive due to contact with the flexible display 20.

In some embodiments, please refer to fig. 8, fig. 8 is a schematic structural diagram of the supporting plate 30 in another embodiment of the embodiment shown in fig. 7. The surface of the bent portion 311 in the relief space 33 is flush with the surface of the ground layer 32 away from the carbon fiber bearing layer 31. Furthermore, the portion of the bending portion 311 located in the relief space 33 may be disposed between the first ground layer 321 and the second ground layer 322, and may be connected to the first ground layer 321 and the second ground layer 322.

It is understood that the grounding plate, such as the first grounding plate 323 and the second grounding plate 325, may be made of conductive material. In some embodiments, the grounding tabs, such as the first grounding tab 323 and the second grounding tab 325, may be a metal, such as steel or copper. In some embodiments, the grounding tabs, such as the first grounding tab 323 and the second grounding tab 325, may have a thickness of 0.01-2 mm. In some embodiments, the thickness of the grounding plate, e.g., the first grounding plate 323, the second grounding plate 325, may be one of 0.02mm, 0.06mm, 0.09mm, 0.12mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 1.1mm, 1.5mm, 1.8 mm. In some embodiments, the thickness of the grounding tabs, e.g., the first grounding tab 323, the second grounding tab 325, may be 0.03 mm. In one embodiment, the grounding pads, such as the first grounding pad 323 and the second grounding pad 325, may be copper foils.

In some embodiments, please refer to fig. 9, fig. 9 is a schematic structural diagram of the supporting plate 30 in another embodiment of the embodiment shown in fig. 7. The grounding plate, such as the first grounding plate 323 and the second grounding plate 325, may include a plurality of sub-grounding plates disposed at intervals. In one embodiment, the first ground plate 323 may include a first sub-ground plate 3231, a second sub-ground plate 3232, and a third sub-ground plate 3233 disposed at intervals. In one embodiment, the second ground pad 325 may include a fourth sub-ground pad 3251, a fifth sub-ground pad 3252 and a sixth sub-ground pad 3253 disposed at intervals. In some embodiments, the sub-grounding pieces are directly contacted with the first shell 11 and the second shell 12, and the positions of the first shell 11 and the second shell 12 corresponding to the sub-grounding pieces are thinned, so that the first shell 11 and the second shell 12 are contacted with the carbon fiber bearing layer 31 and the flatness of the carbon fiber bearing layer 31 is ensured. In some scenarios, the positions of the first shell 11 and the second shell 12 corresponding to the sub-grounding pieces need to be conductive metal, and laser etching can be performed on the first shell 11 and the second shell 12 to reduce the grounding resistance and improve the grounding effect.

Referring to fig. 7 and 10, fig. 10 is a schematic structural view of a portion a in the embodiment shown in fig. 7. The bent portion 311 may include a first curved portion 3111 extending in the extending direction of the bent portion 311, so as to achieve good bending capability of the bent portion 311. The first bent portion 3111 may include a plurality of support ribs 3112 arranged in the first direction and a plurality of support connection ribs 3113 arranged between two adjacent support ribs 3112 of the plurality of support ribs 3112 in the extending direction of the bent portion 311. Two adjacent support ribs 3113 and two adjacent support ribs 3112 may form through holes 3114. Providing the through hole 3114 at the first bent portion 3111 may improve the bending ability of the bent portion 311.

In some scenarios, the support ribs 3112 have a width L in the first direction. In some embodiments, the support tie-bar 3113 has a width M in the first direction. In some embodiments, the support bead 3113 has a width N in the extending direction of the bent portion 311.

In some embodiments, referring to fig. 4, the first bending portion 3111 can be bent corresponding to the rotation shaft 13. In some embodiments, referring to fig. 5, the first bending portion 3111 can be bent corresponding to the rotation shaft 13.

Referring to fig. 10, the first curved portion 3111 may include two first supporting sections 3115 and one second supporting section 3116 arranged in the first direction. Two first support zone 3115 are located on opposite sides of the second support zone 3116 and are connected to the second support zone 3116. In some embodiments, the second support region 3116 may be omitted.

Referring to fig. 11, fig. 11 is a schematic structural view of the bent portion 311 in the embodiment shown in fig. 10 in another embodiment. The arrangement density of the support connecting ribs 3113 in the first support region 3115 and in two adjacent support ribs 3112 increases gradually in a direction away from the second support region 3116, so that the stress in the first support region 3115 increases gradually in a direction away from the second support region 3116, and the bending capability of the bending portion 311 is improved. In some embodiments, the arrangement density of the plurality of support connection bars 3113 in the second support region 3116 and in two adjacent support bars 3112 is uniform in the first direction, so that the stress in the bent portion 311 is uniformly distributed, and the bending capability is ensured.

Referring to fig. 12, fig. 12 is a schematic structural view of the bent portion 311 of the embodiment shown in fig. 10 in another embodiment. The width N of the support connecting ribs 3113 in the first support region 3115 and in two adjacent support ribs 3112 in the extending direction of the bending portion 311 increases progressively in a direction away from the second support region 3116, so that the stress in the first support region 3115 increases progressively in a direction away from the second support region 3116, improving the bending capability of the bending portion 311. In some embodiments, the widths N of the support connecting ribs 3113 in the second support region 3116 and in two adjacent support ribs 3112 in the extending direction of the bent portion 311 are uniform in the first direction, so that the stress in the bent portion 311 is uniformly distributed, and the bending capability is ensured.

Referring to fig. 13, fig. 13 is a schematic structural diagram of the bent portion 311 in the embodiment shown in fig. 10 in another embodiment. The width L of the support ribs 3112 in the first support region 3115 in the first direction decreases away from the second support region 3116, improving the bending capability of the bending portion 311. In some embodiments, the width L of the support ribs 3112 in the second support region 3116 in the first direction is uniform in the first direction, so that the stress in the bent portion 311 is uniformly distributed, ensuring the bending capability.

Referring to fig. 14, fig. 14 is a schematic structural view of the bent portion 311 of the embodiment shown in fig. 10 in another embodiment. The spacing width M between two adjacent support ribs 3112 in the first support region 3115 decreases in a direction away from the second support region 3116, improving the bending capability of the bending portion 311. In some embodiments, the spacing width M between two adjacent support ribs 3112 in the second support region 3116 is uniform in the first direction, so that the stress in the bent portion 311 is uniformly distributed, and the bending capability is ensured.

It is understood that the first bending portion 3111 in fig. 10 can be adjusted according to the technical solution described in any one of fig. 11, 12, 13 and 14, wherein the width of the support rib 3112 in the first direction is L, the width of the support connecting rib 3113 in the first direction is M or the width of the support connecting rib 3113 in the extending direction of the bending portion 311 is N.

Referring to fig. 15, fig. 15 is a schematic structural view of the supporting plate 30 in the embodiment shown in fig. 7 in another embodiment. The bent portion 311 may include a first bent portion 3117, a first bent portion 3111 and a first bent portion 3118 sequentially arranged in the first direction. The first bent portion 3111 has a width O in the first direction, the first bent portion 3117 has a width P in the first direction, and the first bent portion 3118 has a width Q in the first direction. In one embodiment, width O is greater than width P and width O is greater than width Q. In some embodiments, width O is greater than width P, width O is greater than width Q, and width P is equal to width Q. In some embodiments, the first curved portion 3117 and the first curved portion 3118 can be both disposed in the manner of the first curved portion 3111.

In some embodiments, referring to fig. 5, when the electronic device 100 is folded, the first bending portion 3111 is correspondingly bent inward, and the first bending portion 3117 and the first bending portion 3118 are correspondingly bent outward to form a water drop shape, so that the flexible display 20 can be bent well without a crease.

The support plate 30 in the application adopts the carbon fiber material, and in addition, the grounding piece is utilized to improve the conductivity of the carbon fiber, so that the requirements of mobile phone grounding, antenna clearance and radio frequency can be met, and the mobile phone grounding device is applicable to various mobile phone products including folding mobile phones and plate straightening machines. That is, in some embodiments, yield space 33 may be omitted.

Referring to fig. 16, fig. 16 is a schematic structural diagram of an electronic device 300 according to an embodiment of the present disclosure. The electronic device 300 may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The present embodiment illustrates a mobile phone as an example. The structure of the electronic device 300 may include an RF circuit 310, a memory 320, an input unit 330, a display unit 340 (i.e., the flexible display 20 in the above-described embodiment), a sensor 350, an audio circuit 360, a WiFi module 370, a processor 380, a power supply 390, and the like. The RF circuit 310, the memory 320, the input unit 330, the display unit 340, the sensor 350, the audio circuit 360, and the WiFi module 370 are respectively connected to the processor 380. The power supply 390 is used to provide power to the entire electronic device 300.

Specifically, the RF circuit 310 is used for transmitting and receiving signals. The memory 320 is used to store data instruction information. The input unit 330 is used for inputting information, and may specifically include a touch panel 331 and other input devices 332 such as operation keys. The display unit 340 may include a display panel 341 and the like. The sensor 350 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc. A speaker 361 and a microphone (or microphone or receiver assembly) 362 are connected to the processor 380 through the audio circuit 360 for emitting and receiving sound signals. The WiFi module 370 is used for receiving and transmitting WiFi signals. The processor 380 is used for processing data information of the electronic device.

The above description is only for the purpose of illustrating embodiments 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 of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. The utility model provides a supporting plate for bear flexible display screen, its characterized in that, include carbon fiber bearing layer and the ground plane of range upon range of setting in the thickness direction of supporting plate, carbon fiber bearing layer include with first supporting part, kink and the second supporting part of arranging on the first direction of thickness direction vertically, first supporting part with the second supporting part is located respectively the both sides of kink extending direction, and respectively with the kink is connected, first supporting part with the second supporting part configuration is in the kink is close to each other when buckling to the fifty percent discount, or is in the kink is flattened and is kept away from each other when expanding, the ground plane corresponds to the position of kink is for stepping down the space.

2. The support plate of claim 1, wherein the ground layer comprises:

the first grounding piece is connected with the first bearing part;

the second grounding piece is arranged at an interval with the first grounding piece and connected with the second bearing part, and the abdicating space is arranged between the first grounding piece and the second grounding piece.

3. The support plate of claim 1, wherein an insulating layer is disposed between the ground layer and the carbon fiber carrier layer.

4. The support plate of claim 1, wherein a surface of the bent portion in the relief space is flush with a surface of the ground layer away from the carbon fiber bearing layer.

5. The support plate of claim 1, wherein the bend comprises a first bend extending in the direction of extension, the first bend comprising:

a plurality of support ribs arranged in the first direction; and

the supporting connecting ribs are arranged between two adjacent supporting ribs in the plurality of supporting ribs in the extending direction and connected with the two adjacent supporting ribs to form through holes.

6. The support plate as set forth in claim 5, wherein the first bent portion includes a first support region, a second support region, and a first support region connected in this order in the first direction, and the arrangement density of the plurality of support connection ribs in the first support region and in the adjacent two support ribs increases in a direction away from the second support region.

7. The support plate as claimed in claim 5, wherein the first curved portion comprises a first support region, a second support region and a first support region connected in series in the first direction, and wherein the support connection rib in the first support region and located in the two adjacent support ribs has a width in the extension direction that increases in a direction away from the second support region.

8. The support plate as claimed in claim 5, wherein the first curved portion comprises a first support region, a second support region and a first support region connected in series in the first direction, the support ribs in the first support region having a width decreasing in the first direction in a direction away from the second support region.

9. The support plate of claim 5, wherein the first bend includes a first support region, a second support region, and a first support region connected in series in the first direction, and wherein a spacing between two adjacent support ribs in the first support region decreases in a direction away from the second support region.

10. The support plate according to any one of claims 5 to 9, wherein the bent portion includes three first bent portions arranged in sequence in the first direction, and among the three first bent portions, a first bent portion located at a middle portion has a width in the first direction that is greater than widths of first bent portions located at both sides in the first direction, respectively.

11. A housing assembly, comprising:

a first housing and a second housing;

the grounding layer is stacked with the carbon fiber bearing layer and is positioned on the same side of the carbon fiber bearing layer facing the first shell and the second shell when the first shell and the second shell are unfolded, and the part of the grounding layer corresponding to the bending part is an abdicating space.

12. The utility model provides a display module assembly, its characterized in that, including flexible display screen and with the backup pad that flexible display screen range upon range of setting, the backup pad includes:

13. An electronic device, comprising:

a first housing and a second housing;

the grounding layer is stacked with the carbon fiber bearing layer and is positioned on the same side of the carbon fiber bearing layer facing the first shell and the second shell when the first shell and the second shell are unfolded, and the part of the grounding layer corresponding to the bending part is an abdicating space;