Flexible screen supporting device and electronic device

Abstract

The present application provides a flexible screen support device and an electronic device, the flexible screen support device includes a rotating shaft, a support member and a magnetic member, the support member can rotate around the rotating shaft; the support member is flexible and used to support the flexible screen, and the flexible screen is arranged on the side of the support member away from the rotating shaft; the support member includes an arc-shaped portion arranged around the rotating shaft and a flat portion arranged at one end of the arc-shaped portion; the magnetic member is arranged on the side of the support member away from the flexible screen; wherein the flat portion and the magnetic member are stacked, at least part of the flat portion is in a rigid state under the action of the magnetic member, and the arc-shaped portion is in a flexible state. The flexible screen support device and the electronic device provided in the embodiment of the present application, by setting the support member and the supporting magnetic member, enable the flat portion of the support member to be in a rigid state under the action of the magnetic member. The support member is in a flexible state when it is separated from the magnetic field of the magnetic member, that is, the arc-shaped portion of the support member is in a flexible state, so as to avoid increasing the bending stiffness and rebound force of the flexible screen when it is bent.

Description

Technical Field

[0001] The present application relates to the technical field of electronic device structures, and in particular to a flexible display device and an electronic device. Background Art

[0002] Flexible screens have the characteristics of being able to be bent arbitrarily, being thin and light, and saving power. With the development of flexible screen technology, flexible screen devices will become the mainstream of future screen displays.

[0003] However, when a flexible screen device realizes sliding, rolling, and curling of the flexible screen, due to the limitations of the supporting structure supporting the flexible screen, the bending rebound force applied to the flexible screen is generally large. Summary of the invention

[0004] On one hand, an embodiment of the present application provides a flexible screen supporting device, which includes a rotating shaft, a supporting member and a magnetic member, wherein the supporting member can rotate around the rotating shaft; the supporting member is flexible and is used to support the flexible screen, and the flexible screen is arranged on the side of the supporting member away from the rotating shaft; wherein the supporting member includes an arc-shaped portion arranged around the rotating shaft and a flat portion arranged at one end of the arc-shaped portion; the magnetic member is arranged on the side of the supporting member away from the flexible screen; wherein the flat portion and the magnetic member are stacked, and at least part of the flat portion is in a rigid state under the action of the magnetic member, and the arc-shaped portion is in a flexible state.

[0005] On the other hand, an embodiment of the present application further provides an electronic device, which includes: a rotating shaft, a flexible screen that can rotate around the rotating shaft, a support member and a magnetic member, wherein the support member can rotate around the rotating shaft; the support member is flexible and is used to support the flexible screen, and the support member is arranged between the flexible screen and the rotating shaft; wherein the support member includes an arc-shaped portion arranged around the rotating shaft and a flat portion arranged at one end of the arc-shaped portion; the magnetic member is arranged on a side of the support member away from the flexible screen; wherein the flat portion and the magnetic member are stacked, and at least part of the flat portion is in a rigid state under the action of the magnetic member, and the arc-shaped portion is in a flexible state.

[0006] The flexible screen support device and electronic device provided in the embodiment of the present application are provided with a flexible support member and a magnetic member stacked with the flat part of the support member, so that the flat part of the flexible support member can be in a rigid state under the action of the magnetic member, that is, the flexible screen can maintain good flatness and mechanical properties during the extension or curling process. At the same time, the support member is in a flexible state when it is separated from the magnetic field of the magnetic member, that is, the arc-shaped part of the support member is in a flexible state, so as to avoid increasing the bending stiffness and rebound force of the flexible screen when it is bent during the extension or curling of the flexible screen, which is conducive to the change of the shape of the flexible screen, and thus can improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0008] Figure 1 is a schematic diagram of the structure of an electronic device when it is closed in some embodiments of the present application;

[0009] Figure 2 yes Figure 1 A schematic diagram of the structure of the electronic device when it is opened in the embodiment;

[0010] Figure 3 yes Figure 2 A schematic diagram of the structure of the first shell and the second shell when they are matched in the embodiment;

[0011] Figure 4 is a schematic diagram of the structure of a flexible screen support device in some embodiments of the present application;

[0012] Figure 5 yes Figure 4 Another structural schematic diagram of the flexible screen support device in the embodiment;

[0013] Figure 6 yes Figure 4 A schematic structural diagram of a support member in an embodiment;

[0014] Figure 7 is a schematic diagram of the structural disassembly of an electronic device in some other embodiments of the present application;

[0015] Figure 8 is a schematic diagram of the structural disassembly of an electronic device in some other embodiments of the present application;

[0016] Fig. 9 is a schematic diagram of the structural disassembly of an electronic device in some other embodiments of the present application;

[0017] Fig.10 is a schematic diagram of the structural disassembly of an electronic device in some other embodiments of the present application;

[0018] Fig.11 It is a schematic diagram of the structural composition of mobile terminal devices in other embodiments of the present application. DETAILED DESCRIPTION

[0019] The present application is further described in detail below in conjunction with the accompanying drawings and examples. It is particularly noted that the following examples are only used to illustrate the present application, but are not intended to limit the scope of the present application. Similarly, the following examples are only some embodiments of the present application rather than all embodiments, and all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] As used herein, "electronic devices" (or simply "terminals") include, but are not limited to, devices configured to receive / send communication signals via a wireline connection (e.g., 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). Communication terminals configured to communicate via a wireless interface may be referred to as "wireless communication terminals", "wireless terminals" or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellite or cellular phones; personal communication system (PCS) terminals that may combine cellular radiotelephones with data processing, fax, and data communication capabilities; PDAs that may include radiotelephones, pagers, Internet / intranet access, web browsers, organizers, calendars, and / or global positioning system (GPS) receivers; and conventional laptop and / or palmtop receivers or other electronic devices that include radiotelephone transceivers. A mobile phone is an electronic device equipped with a cellular communication module.

[0022] It should be noted that the electronic device in the embodiments of the present application is mainly an electronic device with a flexible screen structure, wherein the flexible screen can be folded or unfolded on the electronic device by sliding or rolling. It can be understood that the electronic device in the present application may include mobile phones, tablet computers, laptops, wearable devices and other electronic devices with flexible screen structures.

[0023] See also Figure 1 and Figure 2 , Figure 1 is a schematic diagram of the structure of the electronic device 100 when it is closed in some embodiments of the present application, Figure 2 yes Figure 1 Schematic diagram of the structure of the electronic device 100 when it is opened in the embodiment. The electronic device 100 may generally include a first housing 10, a second housing 20, and a flexible screen 30. The first housing 10 and the second housing 20 can move relative to each other, for example, move toward each other or move away from each other, so that the electronic device 100 can present different appearances and display forms, that is, the electronic device 100 can have a closed state and an open state.

[0024] in, Figure 1 It can be a structural schematic diagram when the first shell 10 and the second shell 20 are closed, that is, when the electronic device 100 is closed, Figure 2 It can be a schematic diagram of the structure when the first shell 10 and the second shell 20 are opened, that is, when the electronic device 100 is opened. Figure 1 The closed state shown is transformed into Figure 2 In the open state shown in FIG. 1 , the first housing 10 and the second housing 20 move in opposite directions; when the electronic device 100 is opened, Figure 2 The open state shown changes to Figure 1 In the closed state shown, the first shell 10 and the second shell 20 move toward each other. The flexible screen 30 can move synchronously with the movement of the first shell 10 and / or the second shell 20, so that the electronic device 100 can switch between the large screen state and the small screen state at will, thereby achieving different display effects and different appearance forms.

[0025] It is understandable that the first shell 10 and the second shell 20 can achieve relative movement through a sliding structure, a hinge structure, a rotating shaft structure or other structures, which will not be described in detail. In the following of this application, the sliding connection between the first shell 10 and the second shell 20 is used as an example for exemplary description. For example, the first shell 10 and the second shell 20 can be connected through structures such as slide rails and slide grooves.

[0026] in, Figure 1 The three directions X, Y and Z of the electronic device 100 are shown in the figure, mainly to illustrate the relative movement direction between the first housing 10 and the second housing 20 and the three planes XY, XZ and YZ, so as to facilitate the corresponding description in the following text. Specifically, Figure 1 The Z direction shown in the figure is roughly the thickness direction of the electronic device 100, the Y direction is roughly the relative movement direction between the first shell 10 and the second shell 20, and the XY plane is roughly parallel to the display surface of the electronic device 100. It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between various components under a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] Combined with reference Figure 3 , Figure 3 yes Figure 2 A schematic diagram of the structure of the first shell 10 and the second shell 20 when they are matched in the embodiment.

[0028] The first shell 10 may include a first side wall 110 , a second side wall 120 and a first bottom wall 150 connecting the first side wall 110 and the second side wall 120 , wherein the first side wall 110 , the second side wall 120 and the first bottom wall 150 are jointly arranged to form a groove structure having an accommodating cavity 101 .

[0029] The second housing 20 can be partially accommodated in the accommodating cavity 101 of the first housing 10, and the second housing 20 is configured to be able to extend and retract in the accommodating cavity 101, that is, the second housing 20 can slide and open relative to the first housing 10 in the Y direction. The second housing 20 is generally in a drawer slot structure, and the opening of the drawer slot faces the first housing 10.

[0030] Specifically, the second housing 20 generally includes a first side frame 210, a second side frame 220, a third side frame 230 and a fourth side frame 240 connected end to end in sequence, and the second housing 20 may also include a second bottom wall 250 away from the first housing 10. The first side frame 210, the second side frame 220, the third side frame 230 and the fourth side frame 240 are respectively bent and connected to the second bottom wall 250 to form a drawer slot with an opening toward the first housing 10 and having an accommodating space 201, and the accommodating space 201 of the drawer slot is connected to the accommodating cavity 101.

[0031] Further, the first side frame 210 and the third side frame 230 are arranged opposite to each other, and the second side frame 220 and the fourth side frame 240 are arranged opposite to each other. The first side frame 210 and the third side frame 230 are slidably connected to the first side wall 110 and the second side wall 120 of the first shell 10, respectively, so that the second shell 20 can be slidably opened and closed relative to the first shell 10. The fourth side frame 240 is adjacent to or in contact with the first bottom wall 150, and the second side frame 220 is located on the side of the fourth side frame 240 away from the first bottom wall 150.

[0032] In one embodiment, the second housing 20 is connected to and supports part of the flexible screen 30. Preferably, the flexible screen 30 is partially disposed on the side of the second side frame 220 away from the fourth side frame 240, and is connected to the second side frame 220. The flexible screen 30 can be bonded to the second side frame 220 by a colloid, for example, the flexible screen 30 and the second side frame 220 can be bonded by a double-sided adhesive, an optical adhesive, or the like.

[0033] It should be noted that the terms "first" and "second" in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0034] Among them, the flexible screen 30 is configured to be able to switch between a large screen state and a small screen state by telescoping. When the flexible screen 30 is in a small screen state, that is, when the first shell 10 and the second shell 20 are closed, part of the flexible screen 30 is accommodated in the internal space of the first shell 10 and the second shell 20, that is, the interior of the electronic device 100, and the other part is exposed to the outside of the electronic device 100 so that the flexible screen 30 can achieve a small screen display effect. When the flexible screen 30 switches from a small screen state to a large screen state, the part of the flexible screen 30 attached to the second side frame 220 and the second shell 20 move synchronously, and gradually pull out the part of the flexible screen accommodated in the electronic device 100, so that the flexible screen 30 can achieve a large screen display effect.

[0035] The electronic device provided in the embodiment of the present application can switch between a large screen state and a small screen state at will by setting a first shell and a second shell that are slidably connected, thereby achieving different display effects. In addition, during the opening and closing of the first shell and the second shell, the overall thickness of the electronic device remains almost unchanged, thereby improving the user experience.

[0036] The applicant found in the research that the flexible screen generally includes a flexible cover plate, a flexible display device and a supporting steel sheet stacked from top to bottom, and the supporting steel sheet can keep the flexible screen flat and with good mechanical properties during the stretching or curling process. However, the supporting steel sheet will increase the rebound force of the flexible screen when it is bent to a certain extent, which is not conducive to the shape change of the flexible screen.

[0037] Based on this, the embodiment of the present application further provides a flexible screen supporting device 500 to avoid increasing the bending stiffness and rebound force of the flexible screen when it is bent, so as to facilitate the shape change of the flexible screen. Figure 4 and Figure 5 , Figure 4 is a schematic diagram of the structure of a flexible screen supporting device 500 in some embodiments of the present application, Figure 5 yes Figure 4 Another structural schematic diagram of the flexible screen support device 500 in the embodiment. The flexible screen support device 500 can be applied to the above-mentioned electronic device 100, that is, it can be used to support the flexible screen 30 in the above-mentioned electronic device 100. The specific implementation method of applying the flexible screen support device 500 to the electronic device 100 will be described below, so it will not be repeated here.

[0038] The flexible screen supporting device 500 generally includes a rotating shaft 40, a supporting member 50 and a magnetic member 60. Among them, the flexible screen supporting device 500 is configured to support the flexible screen 30, that is, the flexible screen supporting device 500 is arranged on the non-display surface of the flexible screen 30 to support the flexible screen 30. It can be understood that when the flexible screen 30 switches between the large screen state and the small screen state, the flexible screen supporting device 500 can switch between the unfolded state and the folded state at the same time, that is, when the flexible screen 30 is in the large screen state, the flexible screen supporting device 500 is in the unfolded state; when the flexible screen 30 is in the small screen state, the flexible screen supporting device 500 is in the folded state, so that the flexible screen 30 maintains good flatness and mechanical properties during the extension or curling process. Figure 4 As shown, the flexible screen 30 is in a small screen state, and the flexible screen support device 500 is in a folded state; Figure 5 As shown, the flexible screen 30 is in a large screen state, and the flexible screen support device 500 is in an unfolded state.

[0039] Among them, the support member 50 can rotate around the rotation axis 40, that is, the support member 50 is generally in a flexible state, so as to avoid increasing the bending stiffness and rebound force of the support member 50 when it is bent when rotating around the rotation axis 40. The support member 50 is used to support the flexible screen 30, that is, the support member 50 and the flexible screen 30 are stacked. Preferably, the support member 50 can be fully attached to the non-display surface of the flexible screen 30, so that the flexible screen 30 maintains good flatness and mechanical properties during the expansion or curling process. In one embodiment, the support member 50 can be bonded to the non-display surface of the flexible screen 30 by a colloid such as a double-sided adhesive or an optical adhesive.

[0040] The flexible screen 30 is disposed on a side of the support member 30 away from the rotation axis 40, and can rotate around the rotation axis 40 when the support member 30 rotates around the rotation axis 40. That is, the flexible screen 30 can move around the rotation axis 40, so that the flexible screen 30 can switch between the large screen state and the small screen state.

[0041] It can be understood that the support member 50 is provided on the non-display surface of the flexible screen 30 and is stacked with the flexible screen 30. In the process of the support member 50 and the flexible screen 30 moving around the rotating shaft 40, the movement of the support member 50 may drive the flexible screen 30 to move, the movement of the flexible screen 30 may drive the support member 50 to move, or the support member 50 and the flexible screen 30 may move separately. For example, the support member 50 is attached to the non-display surface of the flexible screen 30, and the flexible screen 30 is connected to the first shell 10 or the second shell 20. When the first shell 10 and the second shell 20 move toward or away from each other, the flexible screen 30 is driven to move. At this time, the movement of the flexible screen 30 drives the support member 50 to move. For another example, the flexible screen 30 is attached to the side of the support member 50 away from the rotating shaft 40, and the support member 50 is connected to the first shell 10 or the second shell 20. When the first shell 10 and the second shell 20 move toward or away from each other, the support member 50 is driven to move. At this time, the movement of the support member 50 drives the flexible screen 30 to move. For another example, the flexible screen 30 is connected to one of the first shell 10 and the second shell 20, and the support member 50 is connected to the other of the first shell 10 and the second shell 20. When the first shell 10 and the second shell 20 move toward or away from each other, the flexible screen 30 and the support member 50 can move independently driven by the first shell 10 or the second shell 20, respectively.

[0042] The magnetic member 60 is disposed on the side of the support member 50 away from the flexible screen 30, so that the support member 50 can be partially switched between a flexible state and a rigid state. That is, the support member 50 can be in a flexible state under normal conditions, and its elastic modulus will increase under the action of the magnetic field of the magnetic member 60, so that the support member 50 can be changed from a flexible state to a rigid state. It can be understood that when the support member 50 is partially located in the magnetic field, the support member 50 can be partially changed from a flexible state to a rigid state, that is, the support member 50 can choose to switch between a flexible state and a rigid state as a whole or partially according to the needs of the application scenario.

[0043] Combined with reference Figure 6 , Figure 6 yes Figure 4 Schematic diagram of the structure of the support member 50 in the embodiment. Among them, the support member 50 can be a magnetorheological elastomer, which generally includes a flexible matrix 510 and magnetic particles 520 embedded in the flexible matrix 510, so that the support member 50 can present a rigid state under the action of the magnetic field, that is, the magnetic particles 520 cooperate with the magnetic member 60 to make the support member 50 present a rigid state. In one embodiment, the flexible matrix 510 can be made of materials such as silicone and rubber, which can be cured at room temperature. For example, the flexible matrix 510 can be made of soft silicone rubber, polyvinyl alcohol, gelatin or hard natural rubber. The magnetic particles 520 can be ferromagnetic particles with a diameter of micrometers. For example, the diameter of the magnetic particles 520 can be about 2 to 10 μm.

[0044] It is understandable that the elastic modulus of the support member 50 made of magnetorheological elastomer will increase under the action of a magnetic field, and it can present a rigid state; in a non-magnetic field environment, the elastic modulus will decrease, and it can present a flexible state. Based on the above characteristics of the support member 50, the embodiment of the present application reasonably arranges the magnetic member 60 so that the support member 50 can switch between a flexible state and a rigid state when rotating around the rotating shaft 40, thereby avoiding increasing the bending stiffness and rebound force of the support member 50 when bending, and facilitating the change of the shape of the support member 50.

[0045] In one embodiment, the support member 50 includes an arc-shaped portion 51 disposed around the rotating shaft 40 and a flat portion 52 disposed at one end of the arc-shaped portion 51, the flat portion 52 and the magnetic member 60 are stacked, and at least a portion of the flat portion 52 is in a rigid state under the action of the magnetic member 60. Specifically, the magnetic member 60 is located on a side of the rotating shaft 40 close to the flat portion 52, that is, the magnetic member 60 is located on a side of the rotating shaft 40 away from the arc-shaped portion 51, and at least a portion of the flat portion 52 is stacked on the magnetic member 60, so that at least a portion of the flat portion 52 stacked on the magnetic member 60 can be in a rigid state.

[0046] Similarly, the flexible screen 30 includes a winding portion 31 and a flattening portion 32 disposed at one end of the winding portion 31, the winding portion 31 and the arc portion 51 are stacked, the flattening portion 32 and the flattening portion 52 are stacked, and the magnetic member 60 is disposed on the side of the flattening portion 52 away from the flattening portion 32, so that at least part of the flattening portion 50 is in a rigid state, thereby providing the flattening portion 32 of the flexible screen 30 with better flatness and mechanical properties. The arc portion 51 is in a flexible state, so that when the support member 50 rotates around the rotation axis, the bending stiffness and rebound force of the support member 50 can be avoided to increase, thereby avoiding the increase of the bending stiffness and rebound force of the flexible screen 30 when it is bent, and facilitating the change of the shape of the flexible screen 30.

[0047] It can be understood that the arc portion 51 and the flat portion 52 of the support member 50 should be understood as the static structure when the flexible screen support device 500 is in a folded state or an unfolded state, and the winding portion 31 and the flattened portion 32 of the flexible screen 30 should be understood as the static structure when the flexible screen 30 is in a large screen state or a small screen state. Further, when the states of the flexible screen support device 500 and the flexible screen 30 change, the arc portion 51 and the flat portion 52 of the support member 50, the winding portion 31 and the flattened portion 32 of the flexible screen 30 can change accordingly.

[0048] Specifically, when the flexible screen supporting device 500 presents Figure 4 When the flexible screen 30 is in the folded state shown in FIG. 1 , that is, the flexible screen 30 is in the small screen state, the support member 50 presents the first state. Figure 5In the unfolded state shown, that is, when the flexible screen 30 is in the large screen state, the support member 50 is in the second state. That is, when the support member 50 rotates around the rotation axis 40, the support member 50 can switch between the first state and the second state.

[0049] like Figure 4 As shown, when the support member 50 is in the first state, the support member 50 includes a first arc-shaped area 511 and a first flat area 521; Figure 5 As shown, when the support member 50 is in the second state, the support member 50 includes a second arc-shaped area 512 and a second flat area 522. The curvature of the first arc-shaped area 511 is not less than the curvature of the second arc-shaped area 512, and the area of ​​the first flat area 521 is less than the area of ​​the second flat area 522. Similarly, when the flexible screen 30 is in the small screen state, such as Figure 4 As shown, the flexible screen 30 includes a first winding area 311 stacked with the first arc area 511 and a first flattening area 321 stacked with the first flat area 521; when the flexible screen 30 is in a large screen state, as shown in FIG. Figure 5 As shown, the flexible screen 30 includes a second winding area 312 stacked with the second curved area 512 and a second flattened area 322 stacked with the second flat area 522. The curvature of the first winding area 311 is not less than the curvature of the second winding area 312, and the area of ​​the first flattened area 321 is less than the area of ​​the second flattened area 322.

[0050] It can be understood that when the flexible screen supporting device 500 is Figure 4 The retracted state shown moves to Figure 5 In the open state shown, the area of ​​the first flattened area 321 of the flexible screen 30 gradually increases and forms a second flattened area 322. At this time, the area of ​​the first flattened area 521 of the support member 50 gradually increases and forms a second flattened area 522. Under the action of the magnetic member 60, the increased portion of the second flattened area 522 compared to the first flattened area 521 gradually changes from a flexible state to a rigid state, thereby providing better flatness and mechanical properties for the increased portion of the second flattened area 322 compared to the first flattened area 321. When the flexible screen support device 500 is Figure 5 The open position shown moves to Figure 4 In the folded state shown, the area of ​​the second flattened area 322 of the flexible screen 30 gradually decreases and forms the first flattened area 321. At this time, the area of ​​the second flattened area 522 of the support member 50 gradually decreases and forms the first flattened area 521. The reduced portion of the second flattened area 522 compared to the first flattened area 521 gradually changes from a rigid state to a flexible state when rotating around the rotation axis 30, thereby reducing the bending rigidity and rebound force of the support member 50 when bending, and facilitating the change of the shape of the support member 50.

[0051] The flexible screen support device provided in the embodiment of the present application is provided with a magnetic member to change the support member stacked on the magnetic member from a flexible state to a rigid state, so as to provide the flexible screen with better flatness and mechanical support strength. In addition, when the part of the flattened portion is gradually wound around the outside of the rotating shaft to form an arc-shaped portion, the part of the flattened portion gradually breaks away from the magnetic field of the magnetic member and changes from a rigid state to a flexible state, which will not increase the bending stiffness and rebound force of the support member, and is convenient for the change of the shape of the support member and the flexible screen. When the part of the arc-shaped portion gradually wraps around the outside of the rotating shaft to form a flattened portion, the part of the arc-shaped portion gradually stacks with the magnetic member and changes from a flexible state to a rigid state, so as to provide the flexible screen with better flatness and mechanical support strength. Therefore, through the flexible screen support device provided with the above structure, when the flexible screen is converted between the small screen state and the large screen state, the support member can flexibly switch between the rigid state and the flexible state during movement, avoiding increasing the bending stiffness and rebound force when the flexible screen is bent, and facilitating the change of the shape of the flexible screen.

[0052] See again Figure 4 and Figure 5 The magnetic member 60 includes a first magnetic member 61 and a second magnetic member 62 that can perform relative motion (eg, move toward or away from each other). Figure 4 The first state shown moves to Figure 5 The second state shown, that is, the flexible screen 30 is Figure 4 The small screen state shown moves to Figure 5 In the large screen state shown in FIG. 1 , the first magnetic member 61 and the second magnetic member 62 move in opposite directions; when the support member 50 is Figure 5 The second state shown moves to Figure 4 The first state shown, that is, the flexible screen 30 is Figure 5 The large screen status shown moves to Figure 4 In the small screen state shown in FIG. 1 , the first magnetic member 61 and the second magnetic member 62 move toward each other. Of course, in other embodiments, when the support member 50 is Figure 4 The first state shown moves to Figure 5 In the second state shown, one of the first magnetic member 61 and the second magnetic member 62 can remain stationary, while the other is in motion, so that the first magnetic member 61 and the second magnetic member 62 show a movement trend of diverging from each other. Figure 5 The second state shown moves to Figure 4 In the first state shown, one of the first magnetic member 61 and the second magnetic member 62 can remain stationary, while the other is in motion, so that the first magnetic member 61 and the second magnetic member 62 tend to move closer to each other.

[0053] When the support member 50 rotates around the rotating shaft 40, the first magnetic member 61 is stationary relative to the axis of the rotating shaft 40, and the second magnetic member 62 moves relative to the axis of the rotating shaft 40. In other words, the second magnetic member 61 moves relative to the first magnetic member 61 when the support member 50 rotates around the rotating shaft 40, and the first magnetic member 61 moves relative to the support member 50 when the support member 50 rotates around the rotating shaft 40. Further, the first magnetic member 61 is arranged on a side of the rotating shaft 40 close to the flat portion 52 of the support member 50, and the second magnetic member 62 is arranged on a side of the first magnetic member 61 away from the rotating shaft 40.

[0054] Preferably, the first magnetic member 61 is connected to the rotating shaft 40, and the second magnetic member 62 is connected to the flat portion 52 of the support member 50. When the support member 50 moves around the rotating shaft 40, the second magnetic member 62 can be driven to move toward or away from the first magnetic member 61. The support member 50 moves around the rotating shaft 40 and moves relative to the first magnetic member 61. The end of the first magnetic member 61 that is away from the second magnetic member 62 defines the limit of the state change of the support member 50. When the support member 50 is Figure 4 The first state shown is converted to Figure 5 During the second state shown in FIG. 1 , the arc portion 51 gradually crosses the above-mentioned limit and changes from a flexible state to a rigid state to form a flat portion 52. Figure 5 The second state shown is converted to Figure 4 During the first state shown, the flat portion 52 gradually crosses the above-mentioned boundary and changes from a rigid state to a flexible state to form the arc-shaped portion 51 .

[0055] As mentioned above, the flexible screen support device 500 can be applied to the electronic device 100. Based on this, the embodiment of the present application further provides an electronic device 600. Figure 7 , Figure 7 It is a schematic diagram of the structural disassembly of the electronic device 600 in some other embodiments of the present application.

[0056] The electronic device 600 may include a first housing 10, a second housing 20, a flexible screen 30 and a flexible screen supporting device 500, and the flexible screen supporting device 500 generally includes a rotating shaft 40, a supporting member 50 and a magnetic member 60. For the first housing 10, the second housing 20, the flexible screen 30 and the flexible screen supporting device 500, reference may be made to the specific description in the foregoing. This embodiment further describes the matching relationship between the first housing 10, the second housing 20, the flexible screen 30 and the flexible screen supporting device 500.

[0057] The two opposite ends of the rotating shaft 40 are respectively connected to the first side wall 110 and the second side wall 120 of the first shell 10. The flexible screen 30 can rotate around the rotating shaft 40 so that part of the flexible screen 30 can extend into or extend out of the accommodating cavity 101 of the first shell 10. The supporting member 50 can rotate around the rotating shaft 40 so that part of the supporting member 50 can extend into or extend out of the accommodating cavity 101 of the first shell 10.

[0058] In one embodiment, the first magnetic member 61 is connected to the rotating shaft 40 or the first shell 10, and the second magnetic member 62 is connected to the second shell 20 (for example, the second magnetic member 62 is disposed on the second side frame 220). The surfaces of the first magnetic member 61 and the second magnetic member 62 close to the flattening portion 62 are substantially coplanar, so that the flattening portion 62 maintains good flatness. The first magnetic member 61 and the second magnetic member 62 are generally in the shape of a plate or a sheet, and of course they can also be in other shapes. When the first shell 10 and the second shell 20 are Figure 1 In the closed state shown in FIG. 1 , the first magnetic member 61 and the second magnetic member 62 are adjacent to or abut against each other and are supported on the flat portion 62 in cooperation. Figure 2 In the open state shown, the first magnetic member 61 and the second magnetic member 62 are arranged at intervals and cooperate to be supported at opposite ends of the flat portion 62 .

[0059] Preferably, the flexible screen supporting device 500 may further include a supporting plate 70, the supporting plate 70 is connected to the rotating shaft 40 or the first shell 10, and the first magnetic member 61 is disposed on the supporting plate 70. Figure 1 In the closed state shown in FIG. 1 , the support plate 70 and the second side frame 220 are adjacent to or abut against each other and are supported on the flat portion 62 in cooperation. Figure 2 In the open state shown, the support plate 70 and the second side frame 220 are spaced apart and cooperate to support the opposite ends of the flat portion 62 .

[0060] It is understandable that the first magnetic member 61 can be embedded in the support plate 70, or can be attached to the surface of the support plate 70. The second magnetic member 62 can be embedded in the second side frame 220, or can be attached to the surface of the second side frame 220. Among them, the first magnetic member 61 and the second magnetic member 62 can be magnets or energized coils, etc., and the energized coils generate magnetic fields to act on the flattening portion 62 when energized. It should be understood that the support plate 70 is connected to the shaft 40 or the first shell 10 to indicate that in the engineering of relative movement between the first shell 10 and the second shell 20, the support plate 70 remains relatively stationary relative to the first shell 10, that is, the support plate 70 remains relatively stationary relative to the axis of the shaft 40. The specific connection method of the support plate 70 and the shaft 40 / first shell 10 can be reasonably selected by those skilled in the art according to actual needs, and this embodiment does not limit this.

[0061] See also Figure 8 , Figure 8 It is a schematic diagram of the structural disassembly of the electronic device 600 in some other embodiments of the present application. The difference between this embodiment and the aforementioned embodiment is that the structure of the support plate 70 is different.

[0062] The support plate 70 generally includes a connection portion 71 connected to the rotating shaft 40 / first shell 10, and at least one plug-in portion 72 disposed on the side of the connection portion 71 away from the rotating shaft 40, that is, the plug-in portion 72 is disposed on the side of the connection portion 71 close to the second magnetic member 62 / second shell 20. There can be multiple plug-in portions 72, and the multiple plug-in portions 72 are arranged at intervals along the axis extension direction of the rotating shaft 40. The first magnetic member 61 is disposed on the plug-in portion 72, that is, the first magnetic member 61 can be embedded in the plug-in portion 72, or the first magnetic member 61 can also be attached to the surface of the plug-in portion 72. There is at least one first magnetic member 61, and it is arranged corresponding to the plug-in portion 72, that is, at least one first magnetic member 61 is provided on each plug-in portion 72.

[0063] The second side frame 220 is provided with a slot 73 corresponding to the plug-in portion 72. When the first housing 10 moves relative to the second housing 20, the plug-in portion 72 can be inserted into the slot 73 and can move relative to the slot 73. The slot 73 and the plug-in portion 72 are provided one-to-one.

[0064] See also Fig. 9 , Fig. 9: is a schematic diagram of the structure disassembly of the electronic device 600 in some other embodiments of the present application. The difference between this embodiment and the aforementioned embodiment is that the flexible screen support device 500 may also include a first plate 81 and a second plate 82 arranged opposite to each other, the first magnetic member 61 is arranged on the first plate 81, and the second magnetic member 62 is arranged on the second plate 82. Among them, the first plate 81 is similar in structure and function to the support plate 70 in the embedded embodiment, so the first plate 81 can be understood as the support plate 70 in the aforementioned embodiment, and no further description will be given.

[0065] The second plate 82 is disposed on the second side frame 220 of the second housing 20, and the second plate 82 can be connected and fixed to the second housing 20 by bonding, welding, detachable connection, etc. The second magnetic member 62 is disposed on the second plate 82, that is, the second magnetic member 62 can be embedded in the second plate 82, or can be attached to the surface of the second plate 82.

[0066] When the first housing 10 and the second housing 20 are Figure 1 In the closed state shown in FIG. 1 , the first plate 81 and the second plate 82 are adjacent to or abut against each other and are supported on the flat portion 62 in cooperation. Figure 2 In the open state shown, the first plate 81 and the second plate 82 are spaced apart and cooperate to support the opposite ends of the flat portion 62 .

[0067] See also Fig.10 , Fig.10 : is a schematic diagram of the structure disassembly of the electronic device 600 in some other embodiments of the present application. The difference between this embodiment and the aforementioned embodiment is that the flexible screen support device 500 may also include a first plate 81 and a second plate 82 arranged opposite to each other, the first magnetic member 61 is arranged on the first plate 81, and the second magnetic member 62 is arranged on the second plate 82. Among them, the first plate 81 is similar in structure and function to the support plate 70 in the embedded embodiment, so the first plate 81 can be understood as the support plate 70 in the aforementioned embodiment, and no further description will be given.

[0068] The first plate 81 generally includes a connection portion 71 connected to the rotating shaft 40 / first shell 10, and at least one plug-in portion 72 disposed on the side of the connection portion 71 away from the rotating shaft 40, that is, the plug-in portion 72 is disposed on the side of the connection portion 71 close to the second magnetic member 62 / second shell 20. There can be multiple plug-in portions 72, and the multiple plug-in portions 72 are spaced apart along the axis extension direction of the rotating shaft 40. The first magnetic member 61 is disposed on the plug-in portion 72, that is, the first magnetic member 61 can be embedded in the plug-in portion 72, or the first magnetic member 61 can also be attached to the surface of the plug-in portion 72. There is at least one first magnetic member 61, and it is disposed corresponding to the plug-in portion 72, that is, at least one first magnetic member 61 is disposed on each plug-in portion 72.

[0069] The second plate 82 is provided with a slot 73 corresponding to the plug-in portion 72. When the first housing 10 moves relative to the second housing 20, the plug-in portion 72 can be inserted into the slot 73 and can move relative to the slot 73. The slot 73 and the plug-in portion 72 are provided one-to-one.

[0070] The flexible screen support device and electronic device provided in the embodiment of the present application are provided with a flexible support member and a magnetic member stacked with the flat part of the support member, so that the flat part of the flexible support member can be in a rigid state under the action of the magnetic member, that is, the flexible screen can maintain good flatness and mechanical properties during the extension or curling process. At the same time, the support member is in a flexible state when it is separated from the magnetic field of the magnetic member, that is, the arc-shaped part of the support member is in a flexible state, so as to avoid increasing the bending stiffness and rebound force of the flexible screen when it is bent during the extension or curling of the flexible screen, which is conducive to the change of the shape of the flexible screen, and thus can improve the user experience.

[0071] In addition, the present application also provides a mobile terminal device, see Fig.11 , Fig.11 It is a schematic diagram of the structure of the mobile terminal device 900 in other embodiments of the present application. The mobile terminal device 900 can be a mobile phone, a tablet computer, a laptop computer, a wearable device, etc. The embodiment of the present application is illustrated by taking a mobile phone as an example. The structure of the mobile terminal device 900 can generally include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (i.e., the flexible screen 30 in the above embodiment), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, and a power supply 990. Among them, the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected to the processor 980; the power supply 990 is used to provide power to the entire mobile terminal device 900.

[0072] Specifically, the RF circuit 910 is used to receive and send signals; the memory 920 is used to store data instruction information; the input unit 930 is used to input information, which may specifically include a touch panel 931 and other input devices 932 such as operation buttons; the display unit 940 may include a display panel 941 (i.e., the flexible screen 30 in the above embodiment); the sensor 950 includes an infrared sensor, a laser sensor, etc., for detecting user approach signals, distance signals, etc.; the speaker 961 and the microphone (or microphone) 962 are connected to the processor 980 through the audio circuit 960 for receiving and sending sound signals; the wifi module 970 is used to receive and transmit wifi signals, and the processor 980 is used to process data information of the mobile terminal device. For the relevant technical features of the display panel, please refer to the relevant description of the flexible screen in the above embodiment, which will not be described in detail here.

[0073] The electronic device and mobile terminal device provided in the embodiments of the present application, by providing a first shell and a second shell that can move toward or away from each other, and a support member with variable hardness and softness, can ensure that the overall thickness of the electronic device remains almost unchanged while enabling the flexible screen of the electronic device to switch between the large-screen state and the small-screen state more smoothly, avoiding increasing the bending stiffness and rebound force of the flexible screen when bending, which is beneficial to the change of the shape of the flexible screen, and further can enhance the user experience.

[0074] It should be noted that the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.

[0075] The above descriptions are only some embodiments of the present application, and do not limit the protection scope of the present application. Any equivalent device or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A flexible screen support device, characterized in that: The flexible screen supporting device comprises: Rotating shaft; A support member, rotatable around the rotating shaft; the support member is flexible and used to support a flexible screen, and the flexible screen is arranged on a side of the support member away from the rotating shaft; wherein the support member includes an arc-shaped portion arranged around the rotating shaft and a flat portion arranged at one end of the arc-shaped portion; and A magnetic member, the magnetic member being arranged on a side of the support member facing away from the flexible screen; The magnetic member includes a first magnetic member and a second magnetic member. When the support member rotates around the rotating shaft, the support member moves relative to the first magnetic member; the second magnetic member moves relative to the first magnetic member, the second magnetic member is connected to the flattening portion, and the first magnetic member is connected to the rotating shaft; Wherein, the flattened portion and the magnetic member are stacked, and at least a portion of the flattened portion is in a rigid state under the action of the magnetic member, and the arc-shaped portion is in a flexible state.

2. The flexible screen support device according to claim 1, characterized in that: The support member moves around the rotating shaft so that the support member can be in a first state or a second state; when the support member is in the first state, the support member has a first arc-shaped area and a first flat area; when the support member is in the second state, the support member includes a second arc-shaped area and a second flat area, wherein the area of ​​the first flat area is smaller than the area of ​​the second flat area, and the curvature of the first arc-shaped area is not smaller than the curvature of the second arc-shaped area.

3. The flexible screen support device according to claim 1, characterized in that: The flexible screen supporting device also includes a first plate and a second plate that are arranged opposite to each other, wherein the first plate is connected to the rotating shaft, and the second plate is connected to the flattening part; wherein the first magnetic member is arranged on the first plate, and the second magnetic member is arranged on the second plate.

4. The flexible screen support device according to claim 3, characterized in that: The first plate body includes a connecting portion connected to the rotating shaft, and an inserting portion arranged on a side of the connecting portion away from the rotating shaft, and the first magnetic member is arranged on the inserting portion; the second plate body is provided with a slot corresponding to the inserting portion, and the inserting portion can be inserted into the slot and can move relative to the slot.

5. The flexible screen support device according to claim 1, characterized in that: The support member includes a flexible matrix and magnetic particles embedded in the flexible matrix. The magnetic particles cooperate with the magnetic member to make the support member in a rigid state.

6. An electronic device, characterized in that: The electronic device comprises: A rotating shaft and a flexible screen rotatable about the rotating shaft; A support member, rotatable around the rotating shaft; the support member is flexible and used to support the flexible screen, and the support member is arranged between the flexible screen and the rotating shaft; wherein the support member includes an arc-shaped portion arranged around the rotating shaft and a flat portion arranged at one end of the arc-shaped portion; and A magnetic member, the magnetic member being arranged on a side of the support member facing away from the flexible screen; Wherein, the flattened portion and the magnetic member are stacked, and at least a portion of the flattened portion is in a rigid state under the action of the magnetic member, and the arc-shaped portion is in a flexible state.

7. The electronic device according to claim 6, characterized in that: The support member is fully attached to the non-display surface of the flexible screen.

8. The electronic device according to claim 6, characterized in that: The electronic device also includes a first shell and a second shell that can move toward or away from each other, and the magnetic member includes a first magnetic member and a second magnetic member that can move toward or away from each other; wherein the first magnetic member is connected to the first shell, and the second magnetic member is connected to the second shell.

9. The electronic device according to claim 8, characterized in that: The rotating shaft is connected to the opposite side walls of the first shell, and the electronic device also includes a support plate, which is connected to the rotating shaft, and the first magnetic member is arranged on the support plate; wherein the support member is movable relative to the first magnetic member.

10. The electronic device according to claim 9, characterized in that: The support plate includes a connecting portion connected to the rotating shaft / the first shell, and an inserting portion arranged on a side of the connecting portion close to the second shell, and the first magnetic member is arranged on the inserting portion; the second shell is provided with a slot corresponding to the inserting portion, and the inserting portion can be inserted into the slot and can move relative to the slot.

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