Foldable-screen electronic device

Abstract

The application discloses a folding screen electronic device, and belongs to the technical field of electronic devices. The folding screen electronic device comprises a first display screen, a second display screen, a flexible circuit board, a first body and a second body, the first body and the second body are rotationally connected, the first body is unfolded or folded relative to the second body; the flexible circuit board is arranged in the first body, and the flexible circuit board comprises a first side and a second side arranged oppositely; the first display screen is arranged on the first side of the flexible circuit board and covers one side of the first body; the second display screen is arranged on the second side of the flexible circuit board and covers the other side of the first body; in the case that the first body is unfolded relative to the second body, the flexible circuit board transmits signals to the first display screen to light up the first display screen; in the case that the first body is folded relative to the second body, the flexible circuit board transmits signals to the second display screen to light up the second display screen.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electronic equipment, and particularly relates to a folding screen electronic equipment. BACKGROUND

[0002] With the development of electronic equipment technology, folding screen electronic equipment is also more and more favored by users. In order to ensure the overall reliability of the folding screen electronic equipment, the current folding screen electronic equipment usually adopts an inner folding scheme, which needs to additionally increase a secondary screen, so that the main screen can be used for display when the folding screen electronic equipment is in an unfolded state, and the secondary screen can be used for display when the folding screen electronic equipment is in a folded state.

[0003] However, the increase of the secondary screen makes the overall folding screen electronic equipment thick and heavy, and the material cost of the overall folding screen electronic equipment increases. SUMMARY

[0004] The purpose of the embodiments of the present application is to provide a folding screen electronic equipment, which can solve the problems of thick and heavy overall folding screen electronic equipment and increased material cost in the prior art.

[0005] The embodiments of the present application provide a folding screen electronic equipment, which comprises a first display screen, a second display screen, a flexible circuit board, a first body and a second body, the first body and the second body are rotationally connected to make the first body unfold or fold relative to the second body; wherein,

[0006] The flexible circuit board is arranged in the first body, and the flexible circuit board comprises a first side and a second side arranged oppositely;

[0007] The first display screen is arranged on the first side of the flexible circuit board and covers one side of the first body, and the second display screen is arranged on the second side of the flexible circuit board and covers the other side of the first body;

[0008] In the case that the first body unfolds relative to the second body, the flexible circuit board transmits signals to the first display screen to light up and drive the first display screen; in the case that the first body folds relative to the second body, the flexible circuit board transmits signals to the first display screen to light up the second display screen.

[0009] In the embodiment of the present application, the flexible circuit board comprises a first side and a second side arranged oppositely; the first display screen is arranged on the first side of the flexible circuit board and covers one side of the first body; and the second display screen is arranged on the second side of the flexible circuit board and covers the other side of the first body. The first display screen and the second display screen can be arranged on opposite sides of the flexible circuit board respectively, so that the first display screen and the second display screen can share one flexible circuit board, the number of flexible circuit boards can be reduced, and the overall thickness, overall weight and material cost of the foldable-screen electronic device can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 FIG. 1 is a structural schematic diagram of a foldable-screen electronic device in an embodiment of the present application;

[0011] Figure 2 FIG. 2 is a binding structure schematic diagram of a flexible circuit board in an embodiment of the present application;

[0012] Figure 3 FIG. 3 is a structural schematic diagram of a foldable-screen electronic device in an embodiment of the present application; Figure 2 a sectional structure schematic diagram in a certain direction;

[0013] Figure 4 FIG. 4 is another binding structure schematic diagram of a flexible circuit board in an embodiment of the present application;

[0014] Figure 5 FIG. 5 is a structural schematic diagram of a foldable-screen electronic device in an embodiment of the present application; Figure 4 a sectional structure schematic diagram in a certain direction.

[0015] REFERENCE SIGNS:

[0016] 11-first body, 111-protection middle frame, 12-second body, 2-first display screen, 21-wiring layer, 22-first protection layer, 23-second protection layer, 3-second display screen, 31-sub-screen wiring layer, 32-first sub-screen protection layer, 33-second sub-screen protection layer, 4-flexible circuit board, 41-screen binding area, 411-first binding area, 42-mainboard binding area, 43-common area, 44-non-common area, 45-insulation layer, 46-first wire harness layer, 47-second wire harness layer, 48-via hole, 491-first connecting device, 492-second connecting device, 40-via hole area, 6-connector, 7-mainboard, 8-hinge assembly, 91-first through hole, 92-second through hole. DETAILED DESCRIPTION

[0017] With reference to the drawings and the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly described. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art are within the scope of the present application.

[0018] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a category and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the objects before and after are in a "or" relationship.

[0019] The technical solutions of the folding screen electronic device provided by the embodiments of the present application will be described in detail below in combination with the accompanying drawings and specific embodiments and application scenarios. Figures 1-5 The technical solutions of the folding screen electronic device provided by the embodiments of the present application will be described in detail below in combination with the accompanying drawings and specific embodiments and application scenarios.

[0020] With reference to the drawings and the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly described. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art are within the scope of the present application. Figure 1 , a folding screen electronic device in the embodiments of the present application is shown, which specifically can include: a first display screen 2, a second display screen 3, a flexible circuit board 4, a first body 11 and a second body 12, the first body 11 and the second body 12 can be rotatably connected, so that the first body 11 can be unfolded or folded relative to the second body 12; wherein the flexible circuit board 4 can be arranged in the first body 11, the flexible circuit board 4 includes a first side and a second side arranged opposite to each other; the first display screen 2 can be arranged on the first side of the flexible circuit board 4 and can cover one side of the first body 11; the second display screen 3 can be arranged on the second side of the flexible circuit board 4 and can cover the other side of the first body 11; in the case that the first body 11 is unfolded relative to the second body 12, the flexible circuit board 4 can transmit signals to the first display screen 2 to drive the first display screen 2 to light up; in the case that the first body 11 is folded relative to the second body 12, the flexible circuit board 4 can transmit signals to the second display screen 3 to drive the second display screen 3 to light up.

[0021] In the embodiment of the present application, the flexible circuit board 4 comprises a first side and a second side arranged oppositely; the first display screen 2 is arranged on the first side of the flexible circuit board 4 and covers one side of the first body 11; the second display screen 3 is arranged on the second side of the flexible circuit board 4 and covers the other side of the first body 11, so that the first display screen 2 and the second display screen 3 can be arranged on opposite sides of the flexible circuit board 4 respectively, the first display screen 2 and the second display screen 3 can share one flexible circuit board 4, the number of flexible circuit boards 4 can be reduced, and the overall thickness, overall weight and material cost of the folding screen electronic device can be reduced.

[0022] Specifically, the first display screen 2 can be bound on the first side of the flexible circuit board 4, or the first display screen 2 can be welded on the first side of the flexible circuit board 4 through a wire harness; the second display screen 3 can be bound on the second side of the flexible circuit board 4, or the second display screen 3 can be welded on the second side of the flexible circuit board 4 through a wire harness, which can be set according to actual needs, and the embodiment of the present application does not make specific limitation.

[0023] The folding screen electronic device in the embodiment of the present application includes but is not limited to a mobile phone, a notebook computer, a tablet computer and a learning machine, etc.

[0024] Specifically, the folding screen electronic device can comprise a first body 11 and a second body 12, and the first body 11 and the second body 12 can be rotatably connected to switch the folding screen electronic device between an unfolded state and a folded state.

[0025] Specifically, the first body 11 and the second body 12 can be connected through a hinge assembly 8, and the number of hinge assemblies 8 can be one set or two sets, etc., which can be set according to actual needs, and the embodiment of the present application does not make specific limitation.

[0026] Specifically, the hinge assembly 8 can comprise a rotating shaft and a swing arm; the swing arm can be sleeved on the rotating shaft and rotatably connected to the rotating shaft.

[0027] Optionally, the hinge assembly 8 can be one set, the swing arm is fixedly connected with the first body 11, the rotating shaft is fixedly connected with the second body 12, or the swing arm is fixedly connected with the second body 12, and the rotating shaft is fixedly connected with the second body 12, so as to drive the rotating connection of the first body 11 and the second body 12 through the rotating connection of the swing arm and the rotating shaft.

[0028] Optionally, the hinge assembly 8 can be two groups, and the two groups of hinge assemblies 8 can be symmetrically arranged; the folding screen electronic device can further include a connecting plate; one group of hinge assemblies 8 can be arranged between the connecting plate and the first body 11, for connecting the first body 11 and the connecting plate; the other group of hinge assemblies 8 can be arranged between the connecting plate and the second body 12, for connecting the second body 12 and the connecting plate.

[0029] Specifically, the first body 11 and the second body 12 can be main body structures of the folding screen electronic device, for arranging and mounting power supplies, camera modules, sound modules and other devices of the folding screen electronic device.

[0030] Specifically, the folding screen electronic device can further include a first display screen 2 and a second display screen 3, and the first display screen 2 and the second display screen 3 can be independently arranged respectively; the first display screen 2 can be covered on one side of the first body 11, and the second display screen 3 can be covered on the other side of the second body 12.

[0031] Specifically, the first display screen 2 can be a Liquid Crystal Display (LCD) screen or a Light-Emitting Diode (LED) screen, and the second display screen 3 can be an LCD screen or an LED screen, which can be set according to actual needs, and the present application embodiment does not make specific limitation thereon.

[0032] Specifically, when the first body 11 and the second body 12 are unfolded relative to each other, the folding screen electronic device can be switched to the unfolded state, and the first display screen 2 can be exposed and used for display; when the first body 11 and the second body 12 are folded relative to each other, the folding screen electronic device can be switched to the folded state, and the second display screen 3 can be exposed and used for display.

[0033] Specifically, a Flexible Printed Circuit (FPC) 4 can be arranged in the first body 11 and include a first side and a second side.

[0034] Specifically, the first display screen 2 is arranged on the first side of the FPC 4, and the electrical connection between the first display screen 2 and the FPC 4 can be realized, so as to transmit signals to the first display screen 2 through the FPC 4, to light up the first display screen 2; the second display screen 3 is arranged on the second side of the FPC 4, and the electrical connection between the second display screen 3 and the FPC 4 can be realized, so as to transmit signals to the second display screen 3 through the FPC 4, to light up the second display screen 3.

[0035] Further, since the first side and the second side are opposite sides of the flexible circuit board 4, the first display screen 2 and the second display screen 3 can be respectively arranged on the two sides of the flexible circuit board 4, and the first display screen 2 and the second display screen 3 can share one flexible circuit board 4. When the folding screen electronic device is in the unfolded state, the first display screen 2 can be lighted up; when the folding screen electronic device is in the folded state, the second display screen 3 can be lighted up, and the first display screen 2 and the second display screen 3 can be lighted up in time periods respectively. In the embodiment of the present application, the first display screen 2 and the second display screen 3 share one flexible circuit board 4, which can save a set of hardware driving devices of the whole machine, greatly reduce the thickness and weight of the whole machine of the inner folding scheme of the folding screen electronic device, reduce the hardware driving devices, and reduce the hardware cost of the whole machine, so as to improve the product competitiveness of the folding screen electronic device.

[0036] Optionally, the first side of the flexible circuit board 4 can be provided with a first driving circuit, and the second side of the flexible circuit board 4 can be provided with a second driving circuit; the first driving circuit can be connected with the first display screen 2 and used for lighting up the first display screen 2; and the second driving circuit is connected with the second display screen 3 and used for lighting up the second display screen 3.

[0037] In the embodiment of the present application, the first driving circuit is arranged on the first side of the flexible circuit board 4, connected with the first display screen 2 and used for lighting up the first display screen 2; the second driving circuit is arranged on the second side of the flexible circuit board 4, connected with the second display screen 3 and used for lighting up the second display screen 3, and the first driving circuit and the second driving circuit are independently arranged, which facilitates driving the first display screen 2 and the second display screen 3 in time periods through the flexible circuit board 4.

[0038] Specifically, when the first driving circuit is turned on, the first display screen 2 can be lighted up, so that the folding screen electronic device can display through the first display screen 2. When the second driving circuit is turned on, the second display screen 3 can be lighted up, so that the folding screen electronic device can display through the second display screen 3.

[0039] Optionally, the flexible circuit board 4 can include a first wire harness unit, and the flexible circuit board 4 can be provided with a through hole 48; the first wire harness unit is arranged in the first driving circuit, and the first wire harness unit can be arranged in the second driving circuit through the through hole 48.

[0040] In the embodiment of the present application, the through hole 48 is arranged on the flexible circuit board 4, which facilitates arranging the first wire harness unit. The first wire harness unit is arranged in the first driving circuit, and can be arranged in the second driving circuit through the through hole 48, so that the first driving circuit and the second driving circuit can share the first wire harness unit, and the material cost of the folding screen electronic device can be further reduced.

[0041] Specifically, the first harness unit can include a plurality of harnesses for transmitting control signals for the first driving circuit and control signals for the second driving circuit.

[0042] Specifically, as shown in Figure 3 the flexible circuit board 4 includes a common area 43 and a non-common area 44; in the common area 43, the traces of the first driving circuit and the second driving circuit are the same; in the non-common area 44, the traces of the first driving circuit and the second driving circuit are different; the first harness unit is the common harness for the first driving circuit and the second driving circuit, and the first harness unit is the trace arranged in the common area 43.

[0043] Optionally, the flexible circuit board 4 can further include a second harness unit and a third harness unit; the second harness unit can be arranged on the first side of the flexible circuit board 4 and can be arranged on the first driving circuit; the third harness unit can be arranged on the second side of the flexible circuit board 4 and can be arranged on the second driving circuit; the second harness unit and the third harness unit are oppositely arranged and are respectively connected with the first harness unit.

[0044] In the embodiments of the present application, the second harness unit is arranged on the first driving circuit, the third harness unit is arranged on the second driving circuit, and the second harness unit and the third harness unit are connected with the first harness unit. Since the second harness unit and the third harness unit are oppositely arranged, it is convenient to arrange the trace of the first harness unit connected to the second harness unit and the third harness unit, and the amount of the trace of the first harness unit can be reduced.

[0045] Specifically, the second harness unit can include a plurality of harnesses, which can transmit control signals for lighting the first display screen 2. The third harness can include a plurality of harnesses, which can transmit control signals for lighting the second display screen 3.

[0046] Specifically, as shown in Figure 2 and Figure 3 the through hole 48 can be arranged in the via area 40 of the flexible circuit board 4, and under the action of the through hole 48, the first harness unit of the common area 43 can be respectively connected to the second harness unit and the third harness unit of the non-common area 44.

[0047] Specifically, the second harness unit is the trace arranged on the first side of the flexible circuit board 4 and in the non-common area 44 of the flexible circuit board 4; the third harness unit is the trace arranged on the second side of the flexible circuit board 4 and in the non-common area 44 of the flexible circuit board 4. Specifically, in the non-common area 44, the traces of the first driving circuit and the second driving circuit are located on the upper and lower layers of the flexible circuit board 4.

[0048] In other optional embodiments of the present application, as shown in Figure 1 andFigure 4 As shown, the folding screen electronic device can include a connector 6 and a mainboard 7; the connector 6 can be electrically connected with the first wiring harness unit and the mainboard 7 respectively, so as to transmit the control signal received by the mainboard 7 to the first driving circuit or the second driving circuit.

[0049] In the embodiment of the present application, the connector 6 is electrically connected with the mainboard 7 and the first wiring harness unit respectively, which can be used for transmitting signals, realizing the conduction of the first driving circuit or the conduction of the second driving circuit, and can improve the reliability of lighting the first display screen 2 or the second display screen 3. Moreover, under the cooperation of one mainboard 7 and one connector 6 with the first wiring harness unit, the lighting of the first display screen 2 or the second display screen 3 can be realized, and the use quantity of the mainboard 7 and the connector 6 can be reduced, thereby reducing the material cost of the folding screen electronic device.

[0050] Specifically, the connector 6 (connector) can be a board-to-board connector, which is used to connect the flexible circuit board 4 and the mainboard 7.

[0051] Specifically, the mainboard 7 can be a printed circuit board, which is arranged in the first body 11 and can be used to connect the control unit inside the first body 11.

[0052] Further, when the folding screen electronic device is switched to the unfolded state, the mainboard 7 can receive the control signal of the whole machine platform end; the control signal is transmitted to the first wiring harness unit through the connector, and the first driving circuit is transmitted through the first wiring harness unit, so that the first display screen 2 is lit and the second display screen 3 is not lit. When the folding screen electronic device is switched to the folded state, the mainboard 7 can receive the control signal of the whole machine platform end; the control signal is transmitted to the first wiring harness unit through the connector, and the second driving circuit is transmitted through the first wiring harness unit, so that the second display screen 3 is lit and the first display screen 2 is not lit. In the embodiment of the present application, the whole machine platform can issue a control signal by detecting the folding state of the folding screen electronic device, thereby controlling the bright and dark states of the first display screen 2 and the second display screen 3.

[0053] Optionally, the flexible circuit board 4 can include opposite first and second ends; the first display screen 2 and the second display screen 3 are both bound to the first end of the flexible circuit board 4; and the connector 6 can be arranged at the second end of the flexible circuit board 4.

[0054] In the embodiment of the present application, the first display screen 2 and the second display screen 3 are both bound to the first end of the flexible circuit board 4; and the connector is arranged at the second end of the flexible circuit board 4, which can avoid the devices connected on the flexible circuit board 4 being too concentrated, and improve the convenience of wiring arrangement on the flexible circuit board 4.

[0055] Specifically, as shown in FIG. 1, Figure 1As shown, the flexible circuit board 4 includes a screen binding area 41 and a mainboard binding area 42, the screen binding area 41 is arranged at the first end of the flexible circuit board 4, and the mainboard binding area 42 is arranged at the second end of the flexible circuit board 4; the screen binding area 41 is used to bind the first display screen 2 and the second display screen 3; and the mainboard binding area 42 is used to connect the connector 6, so as to bind the mainboard 7.

[0056] In some optional embodiments of the present application, the flexible circuit board 4 can include an insulating layer 45; the insulating layer 45 is arranged between the first wire harness layer 46 and the second wire harness layer 47, and is used to protect the first wire harness layer 46 and the second wire harness layer 47; the first wire harness layer 46 can be connected with the first display screen 2, and the second wire harness layer 47 can be connected with the second display screen 3.

[0057] In the embodiments of the present application, the insulating layer 45 is arranged between the first wire harness layer 46 and the second wire harness layer 47, which can isolate the first wire harness layer 46 and the second wire harness layer 47, avoid short circuit of the first wire harness layer 46 and the second wire harness layer 47, and further effectively protect the first wire harness layer 46 and the second wire harness layer 47; in addition, the first wire harness layer 46 and the second wire harness layer 47 can share the insulating layer 45, which can further reduce the number of insulating layers 45, so as to reduce the thickness and material cost of the foldable screen electronic device.

[0058] Specifically, the first wire harness layer 46 can include a first layer circuit trace layer 461 and a second layer circuit trace layer 462; and the insulating layer 45 can be arranged between the first layer circuit trace layer 461 and the second layer circuit trace layer 462, so as to isolate the first layer circuit trace layer 461 and the second layer circuit trace layer 462.

[0059] Specifically, the first layer trace layer 461 can be provided with a first through hole 91, so that the first connecting device 491 is connected with the first layer circuit trace layer 461 and the second layer circuit trace layer 462 respectively. The first connecting device 491 is arranged in the first driving circuit, and is used to transmit signals.

[0060] Specifically, the wire harness connecting the first connecting device 491 with the first layer circuit trace layer 461 and the second layer circuit trace layer 462 can be arranged in the first through hole 91, and the wire harness connecting the connector 6 with the first layer circuit trace layer 461 and the second layer circuit trace layer 462 can also be arranged in the first through hole 91.

[0061] Specifically, the second wire harness layer 47 can include a third layer circuit trace layer 471 and a fourth layer circuit trace layer 472; and the insulating layer 45 can be arranged between the third layer circuit trace layer 471 and the fourth layer circuit trace layer 472, so as to isolate the third layer circuit trace layer 471 and the fourth layer circuit trace layer 472.

[0062] Specifically, the second through hole 92 can be arranged on the third circuit trace layer 471, so as to connect the second connecting device 492 with the third circuit trace layer 471 and the fourth circuit trace layer 472 respectively. The second connecting device 492 is arranged in the second driving circuit, and is used for transmitting signals.

[0063] Optionally, the insulating layer 45 comprises at least one of an insulating film and an insulating glue. In the embodiment of the present application, the insulating layer 45 can be at least one of an insulating film and an insulating glue, so as to improve the structural diversity of the insulating layer 45.

[0064] Specifically, the insulating layer 45 can be an insulating glue layer formed by insulating glue, such as a double-sided adhesive layer or a glue layer; or can be an insulating film layer formed by an insulating film, or can be formed by laminating the insulating glue layer and the insulating film layer, which can be set according to actual needs, and the embodiment of the present application does not make specific limitations in this regard.

[0065] In another optional embodiment of the present application, as shown in Figure 5 The first side of the flexible circuit board 4 can be provided with a first binding area 411, and the second side of the flexible circuit board 4 can be provided with a second binding area; the first binding area 411 can be provided with a first gold finger for binding with the first display screen 2, and the second binding area can be provided with a second gold finger for binding with the second display screen 3; the first binding area 411 and the second binding area are oppositely arranged.

[0066] In the embodiment of the present application, the first gold finger is arranged in the first binding area 411, so as to facilitate binding the first display screen 2 on the first side of the flexible circuit board 4. The second gold finger is arranged in the second binding area, so as to facilitate binding the second display screen 3 on the second side of the flexible circuit board 4. The first binding area 411 and the second binding area are oppositely arranged, so as to facilitate arranging the traces on the flexible circuit board 4.

[0067] Specifically, the first gold finger can be a pin prepared by a metal spring piece, and the second gold finger can be a pin prepared by metal.

[0068] In some optional embodiments of the present application, the first display screen 2 can comprise a trace layer 21, a first protective layer 22 and a second protective layer 23; the first protective layer 22 and the second protective layer 23 can be arranged on opposite sides of the trace layer 21 respectively; the first protective layer 22 can be recessed in the trace layer 21, so that at least part of the trace layer 21 is exposed and bound on the flexible circuit board 4.

[0069] In the embodiment of the present application, the first protective layer 22 and the second protective layer 23 are respectively arranged on opposite sides of the wiring layer 21, which can be used to protect the wiring layer 21 and improve the structural stability of the first display screen 2. The first protective layer 22 is recessed in the wiring layer 21, so that at least part of the wiring layer 21 can be exposed, facilitating the binding of the first display screen 2 to the flexible circuit board 4 through the wiring layer 21.

[0070] Specifically, the first protective layer 22 can be a first main screen protective layer for protecting the first display screen 2, which can be a transparent cover plate such as a plastic cover plate or a glass cover plate.

[0071] Optionally, the second display screen 3 can include a secondary screen wiring layer 31, a first secondary screen protective layer 32 and a second secondary screen protective layer 33; the first secondary screen protective layer 32 and the second secondary screen protective layer 33 are respectively arranged on opposite sides of the secondary screen wiring layer 31, which can be used to protect the secondary screen wiring layer 31 and improve the structural stability of the second display screen 3. The first secondary screen protective layer 32 is recessed in the secondary screen wiring layer 31, so that at least part of the secondary screen wiring layer 31 can be exposed, facilitating the binding of the second display screen 3 to the flexible circuit board 4 through the secondary screen wiring layer 31.

[0072] Specifically, the first secondary screen protective layer 32 is used to protect the second display screen 3, which can be a transparent cover plate such as a plastic cover plate or a glass cover plate. The second secondary screen protective layer 33 is used to protect the second display screen 3, which can be a buffer such as a buffer foam or a rubber pad. The secondary screen wiring layer 31 can include a light emitting unit (panel) of the secondary screen.

[0073] The folding screen electronic device described in the embodiment of the present application has at least the following advantages:

[0074] In the embodiment of the present application, the flexible circuit board includes a first side and a second side arranged oppositely; the first display screen is arranged on the first side of the flexible circuit board and covers one side of the first body; the second display screen is arranged on the second side of the flexible circuit board and covers the other side of the first body, which can realize that the first display screen and the second display screen are arranged on opposite sides of the flexible circuit board, so that the first display screen and the second display screen can share one flexible circuit board, which can reduce the number of flexible circuit boards used, and further reduce the overall thickness, overall weight and material cost of the folding screen electronic device.

[0075] It should be noted that, in the present document, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, it is to be understood that the method and apparatus of the present application can be carried out by someone other than the person named in the independent claims, and that the scope of the independent claims is not limited to the person named in the independent claims. In addition, it should be noted that the scope of the method and apparatus of the present application is not limited to performing the functions in the order shown or discussed, but can also include performing the functions in a substantially simultaneous manner or in a reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, features described with reference to certain examples can be combined in other examples.

[0076] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the specific embodiments described above, which are merely illustrative and not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims.

Claims

1. A foldable screen electronic device, characterized in that, include: The system comprises a first display screen (2), a second display screen (3), a flexible circuit board (4), a first body (11), and a second body (12), wherein the first body (11) and the second body (12) are rotatably connected so that the first body (11) can be unfolded or folded relative to the second body (12); wherein, The flexible circuit board (4) is disposed within the first body (11), and the flexible circuit board (4) includes a first side and a second side disposed opposite to each other; The first display screen (2) is disposed on the first side of the flexible circuit board (4) and connected to the flexible circuit board (4), and covers one side of the first body (11); the second display screen (3) is disposed on the second side of the flexible circuit board (4) and connected to the flexible circuit board (4), and covers the other side of the first body (11); When the first body (11) is unfolded relative to the second body (12), the flexible circuit board (4) transmits a signal to the first display screen (2) to light up the first display screen (2); when the first body (11) is folded relative to the second body (12), the flexible circuit board (4) transmits a signal to the second display screen (3) to light up the second display screen (3). The flexible circuit board (4) has a first driving circuit on its first side and a second driving circuit on its second side; the first driving circuit is connected to the first display screen (2) and is used to light up the first display screen (2); the second driving circuit is connected to the second display screen (3) and is used to light up the second display screen (3). The flexible circuit board (4) includes a common area and a non-common area. In the common area, the first driving circuit and the second driving circuit have the same routing. In the non-common area, the first driving circuit and the second driving circuit have different routing.

2. The foldable screen electronic device according to claim 1, characterized in that, The flexible circuit board (4) includes a first wire harness unit, and the flexible circuit board (4) is provided with a through hole (48). The first wire harness unit is disposed within the first driving circuit, and the first wire harness unit passes through the through hole (48) and is disposed within the second driving circuit.

3. The foldable screen electronic device according to claim 2, characterized in that, The flexible circuit board (4) also includes a second wire harness unit and a third wire harness unit; The second wire harness unit is disposed on the first side of the flexible circuit board (4) and is disposed in the first driving circuit; The third wire harness unit is disposed on the second side of the flexible circuit board (4) and is disposed in the second driving circuit; The second wiring harness unit and the third wiring harness unit are disposed opposite to each other and are respectively connected to the first wiring harness unit.

4. The foldable screen electronic device according to claim 2, characterized in that, The foldable screen electronic device includes a connector (6) and a motherboard (7); The connector (6) is electrically connected to the first wiring harness unit and the motherboard (7) respectively, so as to transmit the control signal received by the motherboard (7) to the first driving circuit or the second driving circuit.

5. The foldable screen electronic device according to claim 4, characterized in that, The flexible circuit board (4) includes a first end and a second end opposite to each other; Both the first display screen (2) and the second display screen (3) are bound to the first end of the flexible circuit board (4); The connector (6) is disposed at the second end of the flexible circuit board (4).

6. The foldable screen electronic device according to claim 1, characterized in that, The flexible circuit board (4) includes an insulating layer (45), a first wire harness layer (46), and a second wire harness layer (47). The insulating layer (45) is disposed between the first wire harness layer (46) and the second wire harness layer (47) to protect the first wire harness layer (46) and the second wire harness layer (47). The first wiring harness layer (46) is connected to the first display screen (2), and the second wiring harness layer (47) is connected to the second display screen (3).

7. The foldable screen electronic device according to claim 6, characterized in that, The insulating layer (45) includes at least one of an insulating film and an insulating adhesive.

8. The foldable screen electronic device according to claim 1, characterized in that, The flexible circuit board (4) has a first bonding area (411) on its first side and a second bonding area on its second side. The first binding area (411) is provided with a first gold finger for binding with the first display screen (2), and the second binding area is provided with a second gold finger for binding with the second display screen (3); The first binding region (411) and the second binding region are set relative to each other.

9. The foldable screen electronic device according to claim 1, characterized in that, The first display screen (2) includes a wiring layer (21), a first protective layer (22), and a second protective layer (23); The first protective layer (22) and the second protective layer (23) are respectively disposed on opposite sides of the wiring layer (21); The first protective layer (22) is recessed within the wiring layer (21) so that at least a portion of the wiring layer (21) is exposed and bonded to the flexible circuit board (4).

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