CN219980857U - Foldable device - Google Patents

Abstract

The embodiment of the application provides foldable equipment, which comprises a shell, wherein rotating shaft mechanisms are arranged on two opposite sides of the shell, a grounding piece and a flexible circuit board are arranged on the shell, the two ends of the flexible circuit board respectively span the rotating shaft mechanisms arranged on two sides of the shell, and a conducting strip assembly is arranged on the surface of the flexible circuit board and is electrically connected with the grounding structure of the flexible circuit board and the grounding piece on the shell, so that the conducting strip assembly can isolate signals transmitted by an antenna arranged on the shell from signals transmitted by the flexible circuit board, and signal interference between the antenna arranged on the shell, on which the rotating shaft mechanisms are arranged on two opposite sides, and the flexible circuit board, on which the two ends respectively span the rotating shaft mechanisms on two sides, can be reduced.

Description

Foldable device

Technical Field

The embodiment of the application relates to the technical field of electronic equipment, in particular to foldable equipment.

Background

Along with the gradual maturity of flexible screen technique, promote electronic equipment's display mode to take place very huge change, one of them is collapsible cell-phone, the emergence of electronic equipment such as computer, but collapsible electronic equipment's display screen can change the switching mode in a flexible way according to different service scenarios, still has high duty cycle and definition simultaneously, for example, can only traditional cell-phone size after the cell-phone is folded, conveniently carries, but can have flat display size after the expansion, and these characteristics make collapsible electronic equipment become one of the products that is caught after the people deeply.

In the related art, for a three-fold type foldable apparatus, it generally includes a first housing, a second housing, a third housing, a first rotating shaft mechanism and a second rotating shaft mechanism, wherein the first housing and the second housing are rotatably connected through the first rotating shaft mechanism, and the second housing and the third housing are rotatably connected through the second rotating shaft mechanism, so that the first housing and the second housing and the third housing can rotate relatively, thereby realizing folding or unfolding of the first housing and the second housing and the third housing. A flexible circuit board (flexible printed circuit board, FPC) and an antenna are arranged on the second housing between the first housing and the third housing, and opposite ends of the flexible circuit board can respectively span the first rotating shaft mechanism and the second rotating shaft mechanism so as to extend into the first housing and the third housing.

However, in the three-fold type foldable device in the related art, signal interference is easily generated between the antenna provided on the housing, on which the rotating shaft mechanism is mounted on both opposite sides, and the flexible circuit board, on which the rotating shaft mechanisms are respectively straddled on both ends.

Disclosure of Invention

The embodiment of the utility model provides foldable equipment, which is characterized in that a conductive sheet component which is electrically connected with a grounding structure of a flexible circuit board and a grounding piece on a shell is arranged on the surface of the flexible circuit board, the conductive sheet component can isolate signals transmitted by an antenna arranged on the shell from signals transmitted by the flexible circuit board, and signal interference between the antenna arranged on the shell with rotating shaft mechanisms arranged on two opposite sides and the flexible circuit board with two ends respectively crossing the rotating shaft mechanisms on two sides can be reduced.

The application provides foldable equipment, which comprises a first shell, a second shell, a third shell, a first rotating shaft mechanism, a second rotating shaft mechanism, a first flexible circuit board, an antenna and a conducting strip assembly. The second shell comprises a first side and a second side which are opposite in the first direction, and a third side and a fourth side which are opposite in the second direction, wherein the first side is rotationally connected with the first shell through a first rotating shaft mechanism, the second side is rotationally connected with the third shell through a second rotating shaft mechanism, at least one of the third side and the fourth side is provided with an antenna, the first direction and the second direction are perpendicular to the thickness direction of the second shell, and the first direction is perpendicular to the second direction. The first flexible circuit board comprises a first section, a second section, a third section, a fourth section and a fifth section, wherein the first section is positioned in the first shell, the third section is positioned in the second shell, the fifth section is positioned in the third shell, one end of the third section in the first direction is connected with the first section through the second section, and the other end of the third section in the first direction is connected with the fifth section through the fourth section. The first device is fixedly connected in the first shell, the second device is fixedly connected in the third shell, the first section is connected with the first device, and the fifth section is connected with the second device, so that the first device and the second device are electrically connected through the first flexible circuit board. The first flexible circuit board comprises a first surface layer and a second surface layer which are opposite in the thickness direction, the first surface layer comprises a first part positioned at the third section, the second surface layer comprises a second part positioned at the third section, the conducting strip assembly is arranged in the second shell, and the conducting strip assembly is positioned on one side of the first part, which is away from the second part. The second shell is internally and fixedly connected with a grounding piece, at least part of the area of the first part and at least part of the grounding piece are covered by the conductive sheet component in the thickness direction of the second shell, the area of the first part covered by the conductive sheet component is provided with a grounding structure, and the conductive sheet component is electrically connected with the grounding piece and the grounding structure.

According to the foldable equipment provided by the embodiment of the application, the conducting strip assembly is electrically connected with the grounding piece fixedly connected with the second shell and the grounding structure on the first flexible circuit board, so that the conducting strip assembly is grounded, the grounded conducting strip assembly can be used for isolating signals transmitted by the third section from signals transmitted by the antennas arranged on the third side and the fourth side, and mutual interference between the signals transmitted by the third section and the signals transmitted by the antennas arranged on the third side and the fourth side can be reduced. In addition, the part of conducting strip subassembly covers on first flexible circuit board, part cover on the grounding piece, and the conducting strip subassembly can be installed again after first flexible circuit board and grounding piece equipment are accomplished, and the conducting strip subassembly of setting is less to the influence of the assembly of other parts, and the dismouting is comparatively convenient.

In one possible embodiment, the foldable device further comprises a second flexible circuit board disposed within the second housing. And a third device and a fourth device are fixedly connected to the second shell, the third device and the fourth device are respectively positioned on two sides of the third section in the second direction, one end of the second flexible circuit board is connected with the third device, and the other end of the second flexible circuit board is connected with the fourth device. The second flexible circuit board comprises a main body part, the main body part is positioned at one side of the first part, which is away from the second part, the size of the main body part in the first direction is smaller than that of the third section in the first direction, and the projection of the main body part in the thickness direction of the second shell is positioned outside the projection of the conducting strip assembly in the thickness direction of the second shell. The first portion includes a first overlapping region and a second overlapping region, the main body portion covers the first overlapping region and the conductive sheet assembly covers the second overlapping region in a thickness direction of the second housing, and the second overlapping region has a ground structure.

In one possible embodiment, the conductive sheet assembly includes a first conductive sheet including a first conductive portion, a second conductive portion, and a third conductive portion. In the first direction, the first conductive part and the second conductive part are arranged at intervals, and the main body part is arranged between the first conductive part and the second conductive part. In the second direction, the third conductive part is located at one side of the first conductive part and the second conductive part facing the grounding piece, and one end of the first conductive part facing the grounding piece and one end of the second conductive part facing the grounding piece are connected through the third conductive part. The second overlapping region comprises a first sub-region and a second sub-region, the first sub-region and the second sub-region are arranged at intervals in the first direction, and a first overlapping region is arranged between the first sub-region and the second sub-region. In the thickness direction of the second shell, the first conductive part covers the first subarea, the second conductive part covers the second subarea, and at least part of the grounding piece is covered by the third conductive part. At least one of the first sub-region and the second sub-region has a ground structure, at least one of the first conductive portion and the second conductive portion is electrically connected to the ground structure, and the ground member is electrically connected to the third conductive portion.

In one possible embodiment, the conductive sheet assembly includes a second conductive sheet and a third conductive sheet, and the second overlapping region includes a third sub-region and a fourth sub-region. In the first direction, the second conducting strip and the third conducting strip are arranged at intervals, a main body part is arranged between the second conducting strip and the third conducting strip, the third sub-area and the fourth sub-area are arranged at intervals, and a first overlapping area is arranged between the third sub-area and the fourth sub-area. In the thickness direction of the second shell, the second conducting strip covers the third subarea, the third conducting strip covers the fourth subarea, and part of the grounding piece is covered by the second conducting strip and part of the grounding piece is covered by the third conducting strip. The third subarea and the fourth subarea are respectively provided with a grounding structure, the second conducting strip is electrically connected with the grounding structure of the third subarea, the third conducting strip is electrically connected with the grounding structure of the fourth subarea, and the grounding piece is electrically connected with the second conducting strip and the third conducting strip.

In one possible embodiment, the main body is adhesively secured to a first overlap region which is covered in the thickness direction of the second housing.

In one possible embodiment, in the second direction, one of the third device and the fourth device is located between the ground and the third segment.

In one possible embodiment, the second housing has a battery mounting groove in which the battery is mounted, the third section being located on a side of the battery facing away from the bottom of the battery mounting groove, the second section facing the battery.

In one possible embodiment, the first flexible circuit board further comprises a ground layer. In the thickness direction of the first flexible circuit board, the grounding layer is located between the first surface layer and the second surface layer, and the grounding structure is electrically connected with the grounding layer through the grounding via hole.

In one possible embodiment, the grounding member is adhesively secured to the conductive sheet assembly by a first conductive adhesive so that the grounding member is electrically connected to the conductive sheet assembly.

In one possible embodiment, the grounding structure is adhesively secured to the conductive sheet assembly by a second conductive adhesive so that the grounding structure is electrically connected to the conductive sheet assembly.

Drawings

Fig. 1 is a schematic view of a foldable device according to an embodiment of the present application when a first housing and a third housing are rotated to a certain angle toward a second housing;

FIG. 2 is a schematic view of a foldable device according to an embodiment of the present application in a flattened state;

FIG. 3 is a schematic view of a third housing of a foldable device according to an embodiment of the present application rotated to be stacked with a second housing;

FIG. 4 is a schematic view of parts in a first chamber, a second chamber and a third chamber of yet another foldable device according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a first flexible circuit board of yet another foldable device according to an embodiment of the present application;

FIG. 6 is a schematic diagram illustrating the installation of a first flexible circuit board of yet another foldable device according to an embodiment of the present application from a single viewing angle within a second housing;

FIG. 7 is a schematic view of an installation of a first flexible circuit board of yet another foldable device in a second housing from another perspective provided by an embodiment of the present application;

FIG. 8 is a schematic view of parts in a first chamber, a second chamber and a third chamber of yet another foldable device according to an embodiment of the present application;

FIG. 9 is a schematic cross-sectional view of a first flexible circuit board of yet another foldable device in accordance with an embodiment of the present application;

FIG. 10 is a schematic view of a conductive sheet assembly of yet another foldable device provided in accordance with an embodiment of the present application;

FIG. 11 is a schematic illustration of still another foldable device provided in accordance with an embodiment of the present application prior to mounting a conductive pad assembly onto a first flexible circuit board;

FIG. 12 is a schematic view of the installation of a first flexible circuit board and conductive pad assembly of yet another foldable device within a second housing provided in accordance with an embodiment of the present application;

FIG. 13 is a schematic view of still another foldable device provided in accordance with an embodiment of the present application prior to mounting a conductive pad assembly on a first flexible circuit board;

fig. 14 is a schematic view showing the installation of a first flexible circuit board and conductive sheet assembly of yet another foldable device in a second housing according to an embodiment of the present application.

Reference numerals illustrate:

10. a first housing;

11. a first device; 12. a first middle frame;

20. a second housing;

21. a grounding member; 22. a third device; 23. a fourth device; 24. a battery mounting groove; 25. a first side; 26. a second side; 27. a third side; 28. a fourth side; 29. a second middle frame;

30. a third housing;

31. a second device; 32. a third middle frame;

40. a first spindle mechanism;

50. a second spindle mechanism;

60. a flexible screen;

61. a first region; 62. a second region; 63. a third region; 64. a fourth region; 65. a fifth region;

100. a first flexible circuit board;

110. a first section; 120. a second section; 130. a third section; 131. a first portion; 132. a second portion; 140. a fourth section; 150. a fifth section;

161. a first skin layer; 162. a second skin layer; 163. a first ground layer; 164. a first conductive layer; 165. a second conductive layer; 166. an insulating layer;

170. A first overlap region;

180. a second overlap region; 181. a first sub-region; 182. a second sub-region; 183. a third subregion; 184. a fourth subregion; 185. a first grounding structure;

190. a first ground via;

200. a second flexible circuit board; 210. a main body portion;

300. an antenna;

400. a conductive sheet assembly;

410. a first conductive sheet; 411. a first conductive portion; 412. a second conductive portion; 413. a third conductive portion;

420. a second conductive sheet; 430. a third conductive sheet;

x, the thickness direction of the second shell; y, a first direction; z, second direction.

Detailed Description

The terminology used in the description of the embodiments of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as will be described in detail with reference to the accompanying drawings.

The embodiment of the application provides foldable equipment, which can change the form of the equipment by folding and unfolding so as to meet the demands of users in different scenes. For example, when carried, folding may be performed to reduce the size of the foldable device; in use, can be expanded to increase the size of the screen for display or operation. It is understood that the foldable device may also be referred to as a User Equipment (UE) or a terminal (terminal) or the like.

The foldable device provided by the embodiment of the present application may include, but is not limited to, a mobile terminal or a fixed terminal such as a tablet (portable android device, PAD), a personal digital assistant (personal digital assistant, PDA), a handheld device with a wireless communication function, a computing device, a vehicle-mounted device, a wearable device, a Virtual Reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self driving), a wireless terminal in remote medical (remote media), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and the like. The embodiment of the application is illustrated by taking a handheld device with a wireless communication function as an example, and the handheld device with the wireless communication function can be a mobile phone.

Fig. 1 is a schematic diagram of a foldable device provided by an embodiment of the present application when a first housing and a third housing of the foldable device rotate to a certain angle toward a second housing, fig. 2 is a schematic diagram of a foldable device provided by an embodiment of the present application when the foldable device is in a flattened state, fig. 3 is a schematic diagram of a foldable device provided by an embodiment of the present application when the third housing of the foldable device rotates to be stacked with the second housing, wherein an x direction in the drawing is a thickness direction of the second housing, a y direction is a first direction, a z direction is a second direction, both the first direction and the second direction are perpendicular to the thickness direction of the second housing, and the first direction is perpendicular to the second direction.

As shown in fig. 1-3, in an embodiment of the present application, the foldable device may include at least three housings and a rotation shaft mechanism between two adjacent housings, where the two adjacent housings are rotatably connected by the rotation shaft mechanism therebetween, so as to achieve folding and flattening between the two adjacent housings.

It will be appreciated that adjacent two shells may be rotated toward one another to fold the adjacent two shells. The two adjacent shells can also rotate back to the back until the included angle between the two shells is approximately 180 degrees, so that the two adjacent shells are flattened. It will be appreciated by those skilled in the art that the angles referred to in this document are approximately 180, and may not be absolute 180 due to design tolerances, etc., allowing for a few deviations, such as 165, 177, or 185.

It will be appreciated that the foldable device may comprise three, four, five or more housings, such that the foldable device may be a tri-fold foldable device, a tetra-fold foldable device, a penta-fold foldable device, etc.

Illustratively, the foldable device may be a tri-fold foldable device, and the at least three housings may include a first housing 10, a second housing 20, and a third housing 30, the second housing 20 including a first side 25 and a second side 26 opposite in a first direction, the first side 25 being rotatably coupled to the first housing 10 by a first pivot mechanism 40, the second side 26 being rotatably coupled to the third housing 30 by a second pivot mechanism 50. The first casing 10 and the second casing 20 may be rotated in opposite directions to be stacked, or may be rotated in opposite directions to have an included angle of approximately 180 °, and the third casing 30 and the second casing 20 may be rotated in opposite directions to be stacked, or may be rotated in opposite directions to have an included angle of approximately 180 °.

It is understood that the first direction may be a length direction of the second housing 20, and in this case, the second direction is a width direction of the second housing 20. The first direction may be a width direction of the second housing 20, and in this case, the second direction may be a longitudinal direction of the second housing 20.

It is understood that the first casing 10 and the third casing 30 may be laminated on opposite sides of the second casing 20 in the thickness direction, respectively, so that the foldable apparatus is of a three-layer structure in a folded state. The first casing 10 and the third casing 30 may be laminated on the same side of the second casing 20 in the thickness direction, and the first casing 10 and the third casing 30 are located on the same layer when the foldable apparatus is in the folded state, so that the foldable apparatus is in a two-layer structure when in the folded state. The first casing 10 and the third casing 30 may be laminated on the same side of the second casing 20 in the thickness direction, and when the foldable apparatus is in the folded state, the third casing 30 is located between the first casing 10 and the second casing 20 in the thickness direction of the second casing 20, so that the foldable apparatus is in the folded state in a three-layer structure.

Illustratively, the foldable device may also be a four-fold type foldable device, wherein at least three housings include a fourth housing (not shown) in addition to the first housing 10, the second housing 20 and the third housing 30, the second housing 20 includes a first side 25 and a second side 26 opposite in a first direction, the first side 25 is rotatably connected to the first housing 10 by a first rotation axis mechanism 40, the second side 26 is rotatably connected to the third housing 30 by a second rotation axis mechanism 50, and a side of the third housing 30 facing away from the second rotation axis mechanism 50 is rotatably connected to the fourth housing by a third rotation axis mechanism (not shown). The first casing 10 and the second casing 20 may be rotated in opposite directions to be stacked, or may be rotated back to an angle of approximately 180 °, the third casing 30 and the second casing 20 may be rotated in opposite directions to be stacked, or may be rotated back to an angle of approximately 180 °, and the fourth casing and the third casing 30 may be rotated in opposite directions to be stacked, or may be rotated back to an angle of approximately 180 °.

In the following we will describe an example of a foldable device which is a three-fold type.

In an embodiment of the present application, the foldable apparatus may further include a flexible screen 60, the flexible screen 60 is mounted on the housing and the rotating shaft mechanism, the flexible screen 60 is located on the same side of the housing and the rotating shaft mechanism, where the housing may be fixedly connected to the flexible screen 60, for example, the housing may be fixedly bonded to the flexible screen 60 through an adhesive, and the rotating shaft mechanism may be used to support the flexible screen 60. Specifically, the flexible screen 60 may include a first region 61, a second region 62, a third region 63, a fourth region 64, and a fifth region 65, the first region 61 being opposite to the first housing 10 and fixedly connected to the first housing 10, the third region 63 being opposite to the second housing 20 and fixedly connected to the second housing 20, the fifth region 65 being opposite to the third housing 30 and fixedly connected to the third housing 30, one side of the third region 63 in the first direction being connected to the first region 61 through the second region 62, and the other side of the third region 63 in the first direction being connected to the fifth region 65 through the fourth region 64.

It will be appreciated that when the first and second housings 10 and 20 are rotated in opposite directions to be stacked, the first and second housings 10 and 20 may drive the first and third regions 61 and 63 to rotate in opposite directions and bend the second region 62, and when the first and second housings 10 and 20 are rotated in opposite directions to be stacked, the first and second housings 10 and 20 may drive the first and third regions 61 and 63 to rotate in opposite directions and gradually flatten the second region 62. When the third and second housings 30 and 20 are rotated in opposite directions to be stacked, the third and second housings 30 and 20 can drive the fifth and third regions 65 and 63 to rotate in opposite directions and bend the fourth region 64, and when the third and second housings 30 and 20 are rotated in opposite directions to be stacked to be flattened, the third and second housings 30 and 20 can drive the fifth and third regions 65 and 63 to rotate in opposite directions and gradually flatten the fourth region 64.

It will be appreciated that the flexible screen 60 may be used for image display as well as for inputting information as a virtual keyboard, and that the function of the flexible screen 60 may be dependent on the particular application scenario.

It is understood that the flexible screen 60 may include, but is not limited to, an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode (AMOLED) display screen, a mini-light-emitting diode (mini organic light-emitting diode) display screen, a micro-light-emitting diode (micro organic light-emitting diode) display screen, a quantum dot light-emitting diode (quantum dot light-emitting diode) display screen, and the like.

In the embodiment of the present application, the case may include a middle frame and a rear cover, one side of the middle frame in the thickness direction of the case is fixedly connected with the flexible screen 60, the other side of the middle frame in the thickness direction of the case is fixedly connected with the rear cover, and a chamber for mounting devices may be formed between the middle frame and the rear cover.

Fig. 4 is a schematic view of parts in a first chamber, a second chamber and a third chamber of yet another foldable device according to an embodiment of the present application.

As shown in fig. 4, in an embodiment of the present application, the first case 10 may include a first middle frame 12 and a first rear cover (not shown), one side of the first middle frame 12 in the thickness direction of the first case 10 is fixedly connected to the first region 61, the other side of the first middle frame 12 in the thickness direction of the first case 10 is fixedly connected to the first rear cover, a first chamber (not shown) may be formed between the first middle frame 12 and the first rear cover, a first device 11 may be installed in the first chamber, and the first device 11 may be fixedly connected to the first middle frame 12.

In the embodiment of the present application, the second case 20 may include a second middle frame 29 and a second rear cover (not shown), one side of the second middle frame 29 in the thickness direction of the second case 20 is for fixedly connecting with the third region 63, the other side of the second middle frame 29 in the thickness direction of the second case 20 is for fixedly connecting with the second rear cover, and a second chamber (not shown) may be formed between the second middle frame 29 and the second rear cover.

It will be appreciated that the second intermediate frame 29 includes a first side 25 and a second side 26 opposite in a first direction.

In the embodiment of the present application, the third case 30 may include a third middle frame 32 and a third rear cover (not shown), one side of the third middle frame 32 in the thickness direction of the third case 30 is fixedly connected to the fifth region 65, the other side of the third middle frame 32 in the thickness direction of the third case 30 is fixedly connected to the third rear cover, a third chamber (not shown) may be formed between the third middle frame 32 and the third rear cover, the second device 31 may be mounted in the third chamber, and the second device 31 may be fixedly connected to the third middle frame 32.

Fig. 5 is a schematic diagram of a first flexible circuit board of another foldable device according to an embodiment of the present application, fig. 6 is a schematic diagram of an installation of the first flexible circuit board of the other foldable device in a second housing according to an embodiment of the present application, and fig. 7 is a schematic diagram of an installation of the first flexible circuit board of the other foldable device in another view of the second housing according to an embodiment of the present application.

As shown in fig. 5-7 and referring to fig. 4, to enable signal interaction between the first device 11 in the first chamber and the second device 31 in the third chamber, in an embodiment of the application, the foldable device further comprises a first flexible circuit board 100. The first flexible circuit board 100 includes a first section 110, a second section 120, a third section 130, a fourth section 140, and a fifth section 150, the first section 110 is located in a first chamber of the first housing 10, the third section 130 is located in a second chamber of the second housing 20, the fifth section 150 is located in a third chamber of the third housing 30, one end of the third section 130 in a first direction is connected to the first section 110 through the second section 120, the other end of the third section 130 in the first direction is connected to the fifth section 150 through the fourth section 140, the first section 110 is connected to the first device 11, and the fifth section 150 is connected to the second device 31, so that the first device 11 and the second device 31 are electrically connected through the first flexible circuit board 100.

It will be appreciated that the first flexible circuit board 100 has signal lines extending from the first section 110 to the fifth section 150 and connecting the first device 11 and the second device 31 to enable signal interaction between the first device 11 and the second device 31. The signal lines connecting the first device 11 and the second device 31 run in the first direction within the third section 130.

It will be appreciated that the first device 11 may be a first circuit board, the second device 31 may be a second circuit board, the first circuit board may be mounted with a component thereon, the second circuit board may be mounted with a component thereon, and the component on the first circuit board and the component on the second circuit board may perform signal interaction through the first flexible circuit board 100.

It will be appreciated that the first device 11 and the second device 31 may also be cameras, microphones, chips or the like.

In the embodiment of the present application, the antenna 300 is provided on the second housing 20, the second housing 20 further includes the third side 27 and the fourth side 28 opposite in the second direction, and since the positions of the first side 25 and the second side 26 are already occupied by the first rotating shaft mechanism 40 and the second rotating shaft mechanism 50 which are installed, the antenna 300 on the second housing 20 is provided on at least one of the third side 27 and the fourth side 28, that is, at least one of the third side 27 and the fourth side 28 is provided with the antenna 300.

It will be appreciated that the antenna 300 may be provided on both the third side 27 and the fourth side 28. The antenna 300 may be provided on the third side 27, and the antenna 300 may not be provided on the fourth side 28. The antenna 300 may be provided on the fourth side 28 and the antenna 300 may not be provided on the third side 27.

It will be appreciated that the two ends of the antenna 300 disposed on the third side 27 and the fourth side 28 extend in the first direction. That is, the antenna 300 provided on the second housing 20 has the same direction as the signal lines on the first flexible circuit board 100 for signal interaction with the devices in the first housing 10 and the third housing 30 in the third section 130.

It will be appreciated that when the second housing 20 includes a second intermediate frame 29, the second intermediate frame 29 includes a third side 27 and a fourth side 28 that are opposite in the second direction.

In the related art, no structure for signal isolation is arranged between the third section of the first flexible circuit board and the antenna arranged on the second casing, and as the trend of the antenna arranged on the second casing is approximately the same as the trend of the signal line used for enabling the devices in the first casing and the third casing to perform signal interaction on the first flexible circuit board, the signals transmitted by the antenna arranged on the second casing and the signals transmitted by the signal line used for enabling the devices in the first casing and the third casing to perform signal interaction on the first flexible circuit board are easy to interfere with each other.

Fig. 8 is a schematic view of part of components in a first chamber, a second chamber and a third chamber of yet another foldable device according to an embodiment of the present application, and fig. 9 is a schematic cross-sectional view of a first flexible circuit board of yet another foldable device according to an embodiment of the present application.

As shown in fig. 8, 9, and referring to fig. 4-7, based thereon, in an embodiment of the present application, the foldable device further comprises a conductive sheet assembly 400. The first flexible circuit board 100 includes a first surface layer 161 and a second surface layer 162 which are opposite in a thickness direction thereof, the first surface layer 161 including a first portion 131 located at the third section 130, the second surface layer 162 including a second portion 132 located at the third section 130, and a conductive sheet assembly 400 disposed in a second cavity of the second housing 20, the conductive sheet assembly 400 being located at a side of the first portion 131 facing away from the second portion 132. The grounding member 21 is fixedly connected to the second housing 20, and in the thickness direction of the second housing 20, at least a partial area of the first portion 131 and at least a part of the grounding member 21 are covered by the conductive sheet assembly 400, the area of the first portion 131 covered by the conductive sheet assembly 400 has the first grounding structure 185, and the conductive sheet assembly 400 is electrically connected to both the grounding member 21 and the first grounding structure 185.

In this way, the conductive sheet assembly 400 is electrically connected to the first grounding structure 185 on the first flexible circuit board 100 through the grounding member 21 fixedly connected to the second housing 20, so that the conductive sheet assembly 400 is grounded, and the grounded conductive sheet assembly 400 can be used to isolate the signal transmitted by the third section 130 from the signal transmitted by the antenna 300 disposed on the third side 27 and the fourth side 28, so as to reduce mutual interference between the signal transmitted by the third section 130 and the signal transmitted by the antenna 300 disposed on the third side 27 and the fourth side 28. In addition, the part of conducting strip subassembly 400 covers on first flexible circuit board 100, part covers on grounding member 21, and conducting strip subassembly 400 can be installed again after first flexible circuit board 100 and grounding member 21 assemble, and the influence of conducting strip subassembly 400 of setting to the assembly of other parts is less, and the dismouting is comparatively convenient.

It may be connected that the entire area of the first portion 131 may be covered by the conductive sheet assembly 400. It is also possible that a partial area of the first portion 131 is covered by the conductive sheet assembly 400 and a partial area is not covered by the conductive sheet assembly 400.

It will be appreciated that the ground 21 and the first ground structure 185 are both used for grounding.

It will be appreciated that the ground member 21 may be fixedly attached to the second intermediate frame 29 and that the ground member 21 may be electrically connected to a ground region on the second intermediate frame 29.

It will be appreciated that the second housing 20 may have one or more grounding members 21 fixedly connected therein, and the conductive sheet assembly 400 may be electrically connected to the one or more grounding members 21.

It is understood that the conductive sheet assembly 400 may be made of conductive materials such as copper, aluminum, silver, iron, and the like.

For example, a communication module (not shown) may be fixedly connected to the second middle frame 29, and the grounding member 21 may be a shielding case covering the outside of the communication module.

Illustratively, the grounding structure may be a copper-exposed area of the copper foil of the first flexible circuit board 100 at the first surface layer 161.

In an embodiment of the present application, the first flexible circuit board 100 further includes a first ground layer 163. In the thickness direction of the first flexible circuit board 100, the first ground layer 163 is located between the first surface layer 161 and the second surface layer 162, and the first ground structure 185 is electrically connected to the first ground layer 163 through the first ground via 190.

In this way, it is facilitated to implement the grounding of the first grounding structure 163 located at the first portion 131.

In an embodiment of the present application, the first flexible circuit board 100 may further include a first conductive layer 164 between the first surface layer 161 and the first ground layer 163, and a second conductive layer 165 between the second surface layer 162 and the first ground layer 163, at least one of the first conductive layer 164 and the second conductive layer 165 being a signal layer for providing a signal line.

It is understood that the first surface layer 161, the second surface layer 162, the first ground layer 163, the first conductive layer 164 and the second conductive layer 165 are conductive layers, and the first flexible circuit board 100 may further include other conductive layers besides the first surface layer 161, the second surface layer 162, the first ground layer 163, the first conductive layer 164 and the second conductive layer 165, and two adjacent conductive layers are connected through the insulating layer 166.

In an embodiment of the present application, when one of the first conductive layer 164 and the second conductive layer 165 is a signal layer, the other of the first conductive layer 164 and the second conductive layer 165 may be a power supply layer for supplying power.

In the embodiment of the present application, the foldable apparatus further includes a second flexible circuit board 200, and the second flexible circuit board 200 is disposed in the second housing 20. The second casing 20 is further fixedly connected with a third device 22 and a fourth device 23, the third device 22 and the fourth device 23 are respectively located at two sides of the third section 130 in the second direction, one end of the second flexible circuit board 200 is connected with the third device 22, and the other end of the second flexible circuit board 200 is connected with the fourth device 23.

It will be appreciated that the third device 22 may be a third circuit board, the fourth device 23 may be a fourth circuit board, the third circuit board may have components mounted thereon, the fourth circuit board may have components mounted thereon, and the components on the third circuit board and the components on the fourth circuit board may perform signal interaction through the second flexible circuit board 200.

It will be appreciated that the third device 22 and the fourth device 23 may also be cameras, microphones, chips, etc.

Illustratively, the distance from the third device 22 to the third side 27 is less than the distance from the third device 22 to the fourth side 28, and the distance from the fourth device 23 to the third side 27 is greater than the distance from the fourth device 23 to the fourth side 28.

In an embodiment of the present application, the first flexible circuit board 100 may be connected to at least one of the third device 22 and the fourth device 23 such that at least one of the third device 22 and the fourth device 23 may be electrically connected to the first flexible circuit board 100.

In an embodiment in which the foldable device further includes a second flexible circuit board 200, the second flexible circuit board 200 includes a main body portion 210, the main body portion 210 being located on a side of the first portion 131 facing away from the second portion 132, a dimension of the main body portion 210 in the first direction being smaller than a dimension of the third section 130 in the first direction, a projection of the main body portion 210 in a thickness direction of the second housing 20 being located outside a projection of the conductive sheet assembly 400 in the thickness direction of the second housing 20. The first portion 131 includes a first overlap region 170 and a second overlap region 180, the main body portion 210 covers the first overlap region 170, the conductive sheet assembly 400 covers the second overlap region 180, and the second overlap region 180 has a first ground structure 185 in the thickness direction of the second housing 20.

Thus, when the foldable device further includes the second flexible circuit board 200, the conductive sheet assembly 400 and the second flexible circuit board 200 are arranged in a staggered manner, and the thickness of the whole machine is not affected by the overlapping of the conductive sheet assembly 400 and the second flexible circuit board 200. In addition, the first flexible circuit board 100 and the conductive sheet assembly 400 are also less prone to wrinkling due to the overlapping of the second flexible circuit board 200 and the conductive sheet assembly 400. In addition, when the battery is mounted in the second case 20 and the battery is stacked on the first flexible circuit board 100, and the conductive sheet assembly 400, the thickness of the battery can be increased, and thus the capacity of the battery can be increased.

It will be appreciated that in embodiments where the foldable device further includes a second flexible circuit board 200, the first overlap region 170 is not covered by the conductive sheet assembly 400.

It will be appreciated that the second flexible circuit board 200 may further include connectors disposed at both ends of the main body portion 210, and that the second flexible circuit board 200 may be connected to the third device 22 and the fourth device 23 through the connectors disposed at both ends of the main body portion 210, respectively.

It is understood that the second housing 20 may have a plurality of second flexible circuit boards 200 disposed therein along the first direction, and the first portion 131 includes a plurality of first overlapping areas 170 corresponding to the main portions 210 of the second flexible circuit boards 200, and each of the main portions 210 of the second flexible circuit boards 200 covers the corresponding first overlapping area 170.

In the embodiment of the present application, the main body portion 210 is adhesively fixed to the first overlap region 170 covered in the thickness direction of the second housing 20.

In this way, relative movement between the main body 210 and the third segment 130 is less likely to occur, and overlapping between the main body 210 and the conductive sheet assembly 400 is less likely to occur due to displacement of the main body 210.

Illustratively, the body portion 210 and the first overlap region 170 covered in the thickness direction of the second housing 20 may be adhesively fixed by an insulating adhesive.

Illustratively, a side of the main body portion 210 facing the first flexible circuit board 100 has a second grounding structure (not shown), the first overlapping region 170 has a third grounding structure (not shown) opposite to the second grounding structure, and the second grounding structure and the opposite third grounding structure may be adhered by conductive adhesive, so that the main body portion 210 is adhered and fixed to the first overlapping region 170 covered in the thickness direction of the second case 20. The second flexible circuit board 200 may include a second ground layer (not shown), the second ground structure may be electrically connected to the second ground layer through a second ground via (not shown) provided to the body portion 210, and the third ground structure may be electrically connected to the first ground layer 163 of the first flexible circuit board 100 through a third ground via (not shown).

Illustratively, in the second direction, the ground 21 is located between the third segment 130 and the third side 27, or, alternatively, the ground 21 is located between the third segment 130 and the fourth side 28. In this way, when the second flexible circuit board 200 is provided and the first overlap region 170 has the second overlap region 180 on both sides in the first direction, the conductive sheet assembly 400 is facilitated to be connected to the ground 21.

In the embodiment of the present application, one of the third device 22 and the fourth device 23 is located between the ground 21 and the third segment 130 in the second direction.

In this way, the grounding member 21 is not likely to block the arrangement of the second flexible circuit board 200, and the arrangement of the second flexible circuit board 200 is convenient. In addition, when the second flexible circuit board 200 is provided and the first overlap region 170 has the second overlap region 180 on both sides in the first direction, it is convenient that the portions of the conductive sheet assembly 400 on both sides of the main body portion 210 in the first direction are connected by the portions of the third device 22 or the fourth device 23 facing away from the third section 130 in the second direction, and the second flexible circuit board 200 does not cause blocking to the portions of the conductive sheet assembly 400 on the third device 22 or the fourth device 23 facing away from the third section 130 in the second direction.

In an embodiment of the present application, the second housing 20 has a battery mounting groove 24, a battery (not shown) is mounted in the battery mounting groove 24, the third section 130 is located at a side of the battery facing away from a bottom of the battery mounting groove 24, and the second portion 132 faces the battery.

In this way, the battery mounted in the battery mounting groove 24 and the groove wall of the battery mounting groove 24 do not need to reserve a space between the battery mounted in the battery mounting groove 24 and the groove wall of the battery mounting groove 24 for the first flexible circuit board 100 to pass out of the battery mounting groove 24 with respect to the groove bottom of the third section 130, so that the battery can have a larger size in at least one of the first direction and the second direction, and the capacity of the battery can be made larger.

It will be appreciated that in embodiments in which the second housing 20 includes the second middle frame 29 and the second rear cover, the side of the second middle frame 29 facing the second rear cover has the battery mounting groove 24, that is, the notch of the battery mounting groove 24 faces the second rear cover, and the third section 130, the main body portion 210, and the conductive sheet assembly 400 are located between the battery and the second rear cover.

In some embodiments of the present application, the grounding member 21 is welded to the conductive sheet assembly 400 such that the grounding member 21 is electrically connected to the conductive sheet assembly 400.

In other embodiments of the present application, the grounding member 21 is adhesively fixed to the conductive sheet assembly 400 by the first conductive adhesive so that the grounding member 21 is electrically connected to the conductive sheet assembly 400.

Thus, the grounding member 21 is conveniently and fixedly connected to the conductive sheet assembly 400. In addition, the first conductive adhesive may play a role in buffering, so that the connection between the grounding member 21 and the conductive sheet assembly 400 is not easy to break, and the fixedly connected grounding member 21 is separated from the conductive sheet assembly 400.

In some embodiments of the present application, the first grounding structure 185 is welded to the conductive sheet assembly 400 such that the first grounding structure 185 is electrically connected to the conductive sheet assembly 400.

In the embodiment of the present application, the first grounding structure 185 is adhered and fixed to the conductive sheet assembly 400 by the second conductive adhesive, so that the first grounding structure 185 is electrically connected to the conductive sheet assembly 400.

Thus, the first grounding structure 185 is conveniently and fixedly connected to the conductive pad assembly 400. In addition, the second conductive adhesive may play a role of buffering, so that the connection between the first grounding structure 185 and the conductive sheet assembly 400 is not easy to break, and the first grounding structure 185 and the conductive sheet assembly 400 are separated.

Fig. 10 is a schematic view of a conductive sheet assembly of another foldable device according to an embodiment of the present application, fig. 11 is a schematic view of a conductive sheet assembly of another foldable device according to an embodiment of the present application before being mounted on a first flexible circuit board, and fig. 12 is a schematic view of a first flexible circuit board and a conductive sheet assembly of another foldable device according to an embodiment of the present application mounted in a second housing.

As shown in fig. 10-12, and referring to fig. 4-7, in some embodiments of the present application, the conductive sheet assembly 400 includes a first conductive sheet 410, the first conductive sheet 410 including a first conductive portion 411, a second conductive portion 412, and a third conductive portion 413. In the first direction, the first conductive portion 411 and the second conductive portion 412 are disposed at intervals, and the main body portion 210 is disposed between the first conductive portion 411 and the second conductive portion 412. In the second direction, the third conductive portion 413 is located on the side of the first conductive portion 411 and the second conductive portion 412 facing the ground member 21, and the end of the first conductive portion 411 facing the ground member 21 and the end of the second conductive portion 412 facing the ground member 21 are connected by the third conductive portion 413. The second overlapping region 180 includes a first sub-region 181 and a second sub-region 182, the first sub-region 181 being spaced apart from the second sub-region 182 in the first direction, the first overlapping region 170 being provided between the first sub-region 181 and the second sub-region 182. In the thickness direction of the second housing 20, the first conductive portion 411 covers the first sub-region 181, the second conductive portion 412 covers the second sub-region 182, and at least part of the ground 21 is covered by the third conductive portion 413. At least one of the first and second sub-regions 181 and 182 has a first ground structure 185, at least one of the first and second conductive portions 411 and 412 is electrically connected to the first ground structure 185, and the ground 21 is electrically connected to the third conductive portion 413.

In this way, the portion of the third segment 130 located at both sides of the first overlapping region 170 in the first direction may be covered by the conductive sheet assembly 400, and the conductive sheet assembly 400 has a better isolation effect on signal transmission on the third segment 130. In addition, portions for covering the first and second sub-areas 181 and 182 may be integrally installed, and the installation of the conductive sheet assembly 400 is convenient. In addition, the connection area between the conductive sheet assembly 400 and the grounding member 21 is larger, and the connection between the conductive sheet assembly 400 and the grounding member 21 is more stable.

It can be appreciated that a gap for avoiding the main body portion 210 of the second flexible circuit board 200 is formed between the first conductive portion 411, the second conductive portion 412, and the third conductive portion 413.

It can be appreciated that the first conductive portion 411, the second conductive portion 412, and the third conductive portion 413 are integrally formed.

It will be appreciated that both the first sub-region 181 and the second sub-region 182 may be provided with a first ground structure 185. The first sub-region 181 may also be provided with a first ground structure 185, and the second sub-region 182 may not be provided with a first ground structure 185. It is also possible to have the first sub-region 181 without the first grounding structure 185 and the second sub-region 182 with the first grounding structure 185.

Illustratively, the first conductive sheet 410 may be a copper sheet, a silver sheet, an aluminum sheet, an iron sheet, or the like.

When a plurality of second flexible circuit boards 200 are disposed in the second housing 20 along the first direction, the conductive sheet assembly 400 may include a plurality of first conductive parts 411 and at least one second conductive part 412 alternately disposed along the first direction, the second overlap region 180 includes a plurality of first sub-regions 181 corresponding to the first conductive parts 411 and at least one second sub-region 182 corresponding to the second conductive parts 412, each first conductive part 411 covers the corresponding first sub-region 181, each second conductive part 412 covers the corresponding second sub-region 182, and a gap for avoiding the body part 210 of the second flexible circuit board 200 is formed between the adjacent first conductive parts 411 and second conductive parts 412, each gap being opposite to one first overlap region 170.

Fig. 13 is a schematic view of still another foldable device provided in an embodiment of the present application before a conductive sheet assembly is mounted on a first flexible circuit board, and fig. 14 is a schematic view of mounting the first flexible circuit board and the conductive sheet assembly of the still another foldable device provided in an embodiment of the present application in a second housing.

As shown in fig. 13, 14, in some embodiments of the present application, the conductive sheet assembly 400 includes a second conductive sheet 420 and a third conductive sheet 430, and the second overlap region 180 includes a third sub-region 183 and a fourth sub-region 184. In the first direction, the second conductive sheet 420 and the third conductive sheet 430 are disposed at intervals, the main body 210 is disposed between the second conductive sheet 420 and the third conductive sheet 430, the third sub-region 183 and the fourth sub-region 184 are disposed at intervals, and the first overlapping region 170 is disposed between the third sub-region 183 and the fourth sub-region 184. In the thickness direction of the second housing 20, the second conductive sheet 420 covers the third sub-area 183, the third conductive sheet 430 covers the fourth sub-area 184, and a portion of the ground member 21 is covered by the second conductive sheet 420 and a portion is covered by the third conductive sheet 430. The third sub-area 183 and the fourth sub-area 184 each have a first ground structure 185, the second conductive pad 420 is electrically connected to the first ground structure 185 of the third sub-area 183, the third conductive pad 430 is electrically connected to the first ground structure 185 of the fourth sub-area 184, and the ground member 21 is electrically connected to both the second conductive pad 420 and the third conductive pad 430.

In this way, the portion of the third segment 130 located at both sides of the first overlapping region 170 in the first direction may be covered by the conductive sheet assembly 400, and the conductive sheet assembly 400 has a better isolation effect on signal transmission on the third segment 130. In addition, the second conductive sheet 420 and the third conductive sheet 430 are separate structures, and the conductive sheet assembly 400 is flexible to be arranged.

It will be appreciated that a gap is formed between the second conductive sheet 420 and the third conductive sheet 430 for avoiding the main body portion 210 of the second flexible circuit board 200.

Illustratively, the second conductive sheet 420 may be a copper sheet, a silver sheet, an aluminum sheet, an iron sheet, etc., and the third conductive sheet 430 may be a copper sheet, a silver sheet, an aluminum sheet, an iron sheet, etc.

When a plurality of second flexible circuit boards 200 are disposed in the second housing 20 along the first direction, the conductive sheet assembly 400 may include a plurality of second conductive sheets 420 and at least one third conductive sheet 430 alternately disposed along the first direction, the second overlapping region 180 includes a plurality of third sub-regions 183 corresponding to the second conductive sheets 420 and at least one fourth sub-region 184 corresponding to the third conductive sheets 430, each second conductive sheet 420 covers the corresponding third sub-region 183, each third conductive sheet 430 covers the corresponding fourth sub-region 184, and a notch for avoiding the body portion 210 of the second flexible circuit board 200 is formed between adjacent second conductive sheets 420 and third conductive sheets 430, each notch being opposite to one first overlapping region 170.

In embodiments where the conductive sheet assembly 400 includes the second conductive sheet 420 and the third conductive sheet 430, both the second conductive sheet 420 and the third conductive sheet 430 may be solid sheet structures.

In an embodiment in which the conductive sheet assembly 400 includes the second conductive sheet 420 and the third conductive sheet 430, at least one of the second conductive sheet 420 and the third conductive sheet 430 may be made to have the same structure as the first conductive sheet 410. That is, the second conductive sheet 420 may include the first conductive portion 411, the second conductive portion 412, and the third conductive portion 413, and the third sub-region 183 may include the first sub-region 181 and the second sub-region 182. The third conductive sheet 430 may also include a first conductive portion 411, a second conductive portion 412, and a third conductive portion 413, and the fourth sub-region 184 may include a first sub-region 181 and a second sub-region 182.

It is understood that when the conductive sheet assembly 400 includes a plurality of second conductive sheets 420, one or more of the second conductive sheets 420 may have the same structure as the first conductive sheet 410. When the conductive sheet assembly 400 includes a plurality of third conductive sheets 430, one or more of the third conductive sheets 430 may have the same structure as the first conductive sheet 410.

In describing embodiments of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, indirectly coupled through an intermediary, in communication between two elements, or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

The terms first, second, third, fourth and the like in the description and in the claims and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the embodiments of the present application, and are not limited thereto; although embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A foldable device comprising a first housing, a second housing, a third housing, a first hinge mechanism, a second hinge mechanism, a first flexible circuit board, an antenna, and a conductive sheet assembly;

the second housing comprises a first side and a second side which are opposite in a first direction, and a third side and a fourth side which are opposite in a second direction, the first side is rotationally connected with the first housing through the first rotating shaft mechanism, the second side is rotationally connected with the third housing through the second rotating shaft mechanism, at least one of the third side and the fourth side is provided with the antenna, wherein the first direction and the second direction are perpendicular to the thickness direction of the second housing, and the first direction is perpendicular to the second direction;

the first flexible circuit board comprises a first section, a second section, a third section, a fourth section and a fifth section, wherein the first section is positioned in the first shell, the third section is positioned in the second shell, the fifth section is positioned in the third shell, one end of the third section in the first direction is connected with the first section through the second section, and the other end of the third section in the first direction is connected with the fifth section through the fourth section;

The first shell is internally and fixedly connected with a first device, the third shell is internally and fixedly connected with a second device, the first section is connected with the first device, and the fifth section is connected with the second device, so that the first device and the second device are electrically connected through the first flexible circuit board;

the first flexible circuit board comprises a first surface layer and a second surface layer which are opposite in the thickness direction, the first surface layer comprises a first part positioned at the third section, the second surface layer comprises a second part positioned at the third section, the conducting strip assembly is arranged in the second shell, and the conducting strip assembly is positioned at one side of the first part, which is away from the second part;

the second shell is internally and fixedly connected with a grounding piece, at least part of the area of the first part and at least part of the grounding piece are covered by the conducting strip assembly in the thickness direction of the second shell, the area of the first part covered by the conducting strip assembly is provided with a grounding structure, and the conducting strip assembly is electrically connected with the grounding piece and the grounding structure.

2. The foldable device of claim 1, further comprising a second flexible circuit board disposed within the second housing;

A third device and a fourth device are fixedly connected to the second shell, the third device and the fourth device are respectively positioned on two sides of the third section in the second direction, one end of the second flexible circuit board is connected with the third device, and the other end of the second flexible circuit board is connected with the fourth device;

the second flexible circuit board comprises a main body part, the main body part is positioned on one side of the first part, which is away from the second part, the dimension of the main body part in the first direction is smaller than that of the third section in the first direction, and the projection of the main body part in the thickness direction of the second shell is positioned outside the projection of the conducting strip assembly in the thickness direction of the second shell;

the first portion includes a first overlap region and a second overlap region, the main body portion covering the first overlap region and the conductive sheet assembly covering the second overlap region in a thickness direction of the second housing, the second overlap region having the ground structure.

3. The foldable device of claim 2, wherein the conductive sheet assembly comprises a first conductive sheet comprising a first conductive portion, a second conductive portion, and a third conductive portion;

In the first direction, the first conductive part and the second conductive part are arranged at intervals, and the main body part is arranged between the first conductive part and the second conductive part;

in the second direction, the third conductive part is positioned at one side of the first conductive part and the second conductive part facing the grounding piece, and one end of the first conductive part facing the grounding piece and one end of the second conductive part facing the grounding piece are connected through the third conductive part;

the second overlapping area comprises a first sub-area and a second sub-area, the first sub-area and the second sub-area are arranged at intervals in the first direction, and the first overlapping area is arranged between the first sub-area and the second sub-area;

the first conductive part covers the first subarea, the second conductive part covers the second subarea, and at least part of the grounding piece is covered by the third conductive part in the thickness direction of the second shell;

at least one of the first sub-region and the second sub-region has the ground structure, at least one of the first conductive portion and the second conductive portion is electrically connected to the ground structure, and the ground member is electrically connected to the third conductive portion.

4. The foldable device of claim 2, wherein the conductive sheet assembly comprises a second conductive sheet and a third conductive sheet, the second overlapping region comprising a third sub-region and a fourth sub-region;

in the first direction, the second conductive sheet and the third conductive sheet are arranged at intervals, the main body part is arranged between the second conductive sheet and the third conductive sheet, the third sub-region and the fourth sub-region are arranged at intervals, and the first overlapping region is arranged between the third sub-region and the fourth sub-region;

the second conductive sheet covers the third sub-area, the third conductive sheet covers the fourth sub-area, and a part of the grounding member is covered by the second conductive sheet and a part of the grounding member is covered by the third conductive sheet in the thickness direction of the second housing;

the third subarea and the fourth subarea are respectively provided with the grounding structure, the second conducting strip is electrically connected with the grounding structure of the third subarea, the third conducting strip is electrically connected with the grounding structure of the fourth subarea, and the grounding piece is electrically connected with the second conducting strip and the third conducting strip.

5. The foldable apparatus according to claim 2, wherein the main body portion is adhesively fixed to the first overlapping region covered in the thickness direction of the second housing.

6. The foldable apparatus of claim 2, wherein in the second direction, one of the third device and the fourth device is located between the ground and the third segment.

7. The foldable device of any one of claims 1-6, wherein the second housing has a battery mounting slot in which a battery is mounted, the third section being located on a side of the battery facing away from a slot bottom of the battery mounting slot, the second portion facing toward the battery.

8. The foldable device of any one of claims 1-6, wherein the first flexible circuit board further comprises a ground plane;

in the thickness direction of the first flexible circuit board, the grounding layer is located between the first surface layer and the second surface layer, and the grounding structure is electrically connected with the grounding layer through a grounding via hole.

9. The foldable device of any one of claims 1-6, wherein the ground member is adhesively secured to the conductive sheet assembly by a first conductive adhesive to electrically connect the ground member to the conductive sheet assembly.

10. The foldable device of any one of claims 1-6, wherein the grounding structure is adhesively secured to the conductive sheet assembly by a second conductive adhesive such that the grounding structure is electrically connected to the conductive sheet assembly.