CN211266906U

CN211266906U - Foldable mobile equipment

Info

Publication number: CN211266906U
Application number: CN202020004795.4U
Authority: CN
Inventors: 洪志毅; 曲德舜; 林珈伶; 张萌; 单奇
Original assignee: Yungu Guan Technology Co Ltd
Current assignee: Yungu Guan Technology Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-14
Anticipated expiration: 2030-01-02

Abstract

The utility model relates to the technical field of mobile equipment, in particular to foldable mobile equipment, which comprises a display screen and a light gathering film, wherein the display screen comprises at least two display areas which can be folded relatively; the light-gathering film covers on the at least two display areas, and then when a preset included angle is formed between the at least two display areas, images displayed by the at least two display areas are focused on the same imaging area in front of the display screen, and therefore three-dimensional display is formed. The utility model discloses folded cascade mobile device can form three-dimensional demonstration, can promote user's visual experience and feel.

Description

Foldable mobile equipment

Technical Field

The utility model relates to a mobile device technical field especially relates to a folded cascade mobile device.

Background

With the progress of science and technology, mobile phones have become indispensable tools to be carried in people's daily life. In order to improve the experience of people in watching the mobile phone screen, the larger the screen of the existing mobile phone is, the more difficult the mobile phone with a large screen is to be carried, and as the development of the OLED flexible display screen technology is more and more mature, the folding mobile phone is also produced in quantity, and the folding display becomes a development trend.

Disclosure of Invention

In view of this, the utility model discloses the main technical problem who solves provides a folded cascade mobile device, can form stereoscopic display, promotes people and watches the visual experience of the display screen who removes the setting.

In order to solve the technical problem, the utility model discloses a technical scheme be: the foldable mobile device comprises a display screen, a first display area and a second display area, wherein the display screen comprises at least two display areas capable of being folded oppositely; and the light-gathering film covers the at least two display areas, and focuses images displayed by the at least two display areas to the same imaging area in front of the display screen when a preset included angle is formed between the at least two display areas, so that three-dimensional display is formed. The visual experience of the user can be improved.

It should be noted that the utility model discloses a "predetermine contained angle" is the contained angle that appears between two adjacent display areas, and under this contained angle, the display area combines with the light concentrating film and can form stereoscopic display's image.

The foldable mobile equipment comprises a shell and a connecting piece, wherein the display screen is fixed on the shell, and the connecting piece is used for connecting the light-gathering film on the shell and allowing the light-gathering film to cover at least two display areas in a removable mode. By arranging the connecting piece, the light-gathering film can be covered on the display area, so that when the display area is bent to a preset included angle, three-dimensional display can be formed; when the three-dimensional display is not needed, the light condensing film can be separated from the display area, and the light condensing film is prevented from influencing the display of the two-dimensional image.

As a preferable scheme, the connecting member includes a reel, and the reel is rotatably disposed on the housing, and is configured to wind the light collecting film when stereoscopic display is not required, and release the light collecting film when stereoscopic display is required. The connecting piece is arranged to comprise the reel, so that the light-gathering film is easy to roll and release, the display area is convenient to control and display the light-gathering film to cover or separate from the display area, and the display of the three-dimensional image and the display of the two-dimensional image are easy to control.

Preferably, the foldable mobile device includes a detection piece and a first driving piece, and the first driving piece drives the reel to automatically wind the light-gathering film when the detection piece detects that the display screen is unfolded into at least two display areas and is arranged in a plane. Through setting up detection piece and first driving piece, can the automatic rolling light-gathering film for the rolling is easy, reduces user's rolling time, and promotes folded cascade mobile device's degree of automation.

As a second preferred scheme, the connecting member includes a detachable engaging member, the detachable engaging member is engaged with the housing, and is configured to fix the light-condensing film to the back of the housing opposite to the display area when stereoscopic display is not required, and fix the light-condensing film to the display area when stereoscopic display is required. Through the connecting piece including dismantling the fastener, can realize being fixed in the spotlight membrane on the display area, or be fixed in the back that casing and display area carried on the back mutually with the spotlight membrane for the spotlight breaks away from the display area.

As a third preferred scheme, the connecting piece includes the pivot, and the rotatable setting of pivot is on the casing for when need not carrying out stereoscopic display with the back that the casing carried on the back mutually with the display area with the spotlight membrane upset, and when needs carry out stereoscopic display with the spotlight membrane upset on the display area. The connecting piece comprises the rotating shaft, so that the light-gathering film can be rotated to turn over the light-gathering film to the display area or the shell, the light-gathering film is not easy to separate from the foldable mobile equipment, and the light-gathering film can be arranged in the display area or separated from the display area; the rotation of the rotating shaft can not limit the material of the light gathering film, and the light gathering film can be made of non-flexible material.

As a fourth preferred scheme, the connecting member includes a circulating transmission member, the circulating transmission member is disposed at two end sides of the housing, and is used for transmitting the light-condensing film on the back of the housing opposite to the display area when the stereoscopic display is not required, and the light-condensing film covers the display area when the stereoscopic display is required. Through setting up circulation transmission spare, can be with circulation transmission spare with the fixed cover of collecting light membrane on the display area with the casing back that the display area was carried on the back with the collecting light membrane to fixed cover of collecting light membrane on the display area as required, or cover the fixed cover of collecting light membrane on the casing back.

Furthermore, the number of the light condensing films and the connecting pieces is at least two corresponding to the number of the display areas, and each display area is correspondingly provided with one group of light condensing films and connecting pieces. Every display area corresponds a set of collecting film and connecting piece, can be so that the display screen when buckling, need not consider the buckling of collecting film, when collecting film is the inflexible material, the buckling of the display area of being convenient for.

Wherein, be provided with a plurality of convex lens units or spotlight unit that the array was arranged on the spotlight membrane. The light-gathering film comprises a convex lens unit or a light-gathering unit, and images displayed by at least two display areas can be focused on the same imaging area in front of the display screen.

The light-gathering parameters of the convex lens units corresponding to different positions of the same display area are different, and then the images displayed at different positions are focused to the same imaging area in front of the display screen. Through controlling the different spotlight parameters of the convex lens units in the same display area and reasonably arranging the convex lens units, the images in the display area can be converged to the same point, so that more continuous visual change is generated, and a three-dimensional display effect is formed.

Specifically, the preset included angle is not less than 120 degrees and not more than 160 degrees, and the distance between the imaging area and at least two display areas is not less than 7 cm. Through the spotlight parameter of reasonable control spotlight membrane, the scope of predetermineeing the contained angle can be so that the regional state of opening that is of buckling, the stereo image of being convenient for watch. By controlling the distance between the imaging area and the two display areas, the vision of the imaging area which is shielded by the display areas is less, and the stereoscopic image is ensured to be easily observed.

The utility model has the advantages that: be different from prior art, the embodiment of the utility model provides a pair of folded cascade mobile device forms two at least display areas in the display screen, when the display area forms and predetermines the contained angle, combines the collecting membrane, focuses on the image of two at least display areas to same formation of image region, forms three-dimensional display, can promote user's visual experience and feel.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the foldable mobile device of the present invention;

fig. 2 is a schematic view of a planar unfolding structure of the foldable mobile device of the present invention;

fig. 3 is a schematic structural view of a display region covered by a condensing film according to a second embodiment of the foldable mobile device of the present invention;

fig. 4 is a schematic structural view of a second embodiment of a foldable mobile device according to the present invention, in which a light-gathering film covers a housing;

fig. 5 is a schematic structural diagram of a third embodiment of the foldable mobile device of the present invention;

fig. 6 is a schematic view of the unwinding structure of the fourth embodiment of the foldable mobile device of the present invention;

fig. 7 is a schematic structural view of a foldable mobile device according to a fourth embodiment of the present invention;

fig. 8 is a schematic view of the unwinding structure of the fifth embodiment of the foldable mobile device of the present invention;

fig. 9 is a schematic structural diagram of a sixth embodiment of the foldable mobile device of the present invention;

fig. 10 is a schematic structural diagram of a seventh embodiment of the foldable mobile device of the present invention;

fig. 11 is a schematic structural view of a plane of an eighth embodiment of the foldable mobile device according to the present invention;

FIG. 12 is a side view of FIG. 11;

fig. 13 is a schematic structural diagram of a ninth embodiment of the foldable mobile device of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The embodiment of the utility model provides a foldable mobile device, as shown in fig. 1, a display screen 1, the display screen 1 includes at least two display areas 2 that can be folded relatively; the light-gathering film 3 covers the at least two display areas 2, and then focuses images displayed by the at least two display areas 2 on the same imaging area 6 in front of the display screen 1 when a preset included angle is formed between the at least two display areas 2, so that three-dimensional display is formed.

The embodiment of the utility model provides a folded cascade removes setting is through setting up the plastic film 3 on two at least display areas 2 to combine to fold into the display screen 1 of certain contained angle, when making display area 2 form and predetermine the contained angle, two at least display screens 1 and plastic film 3 focus on the image to formation of image region 6, form the stereoscopic display image, can promote user's visual experience.

Specifically, when two display areas 2 are provided, the two display areas are a first display area 21 and a second display area 22, and when the first display area 21 and the second display area 22 are folded to form a preset included angle, the first display area 21 plays an image through first APP software, the second display area 22 plays an image through second APP software synchronously, the first display area 21 and the second display area 22 focus the image to the same imaging area 6 through a light-focusing film 3 arranged above the first display area 21 and the second display area 22, and if the direction of a straight arrow in fig. 1 is a light focusing direction, a stereoscopic display image can be formed in the imaging area 6, and the stereoscopic display image is a real image and can be observed by naked eyes of a person, so that the visual experience of a user is improved, for example, the stereoscopic display image can be used for playing a video to form a continuous stereoscopic display effect; it can also be used to play fixed images for forming a fixed stereoscopic display image.

In the embodiment of the present invention, the number of the display areas 2 is two, and in other embodiments, the display areas 2 may also be multiple, for example, the display areas include a first display area 21, a second display area 22 formed by folding, and a third display area (not shown) at the position of the bending portion of the display screen 1.

As shown in fig. 2 and 3, the foldable mobile device further includes a housing 5, the display screen 1 is fixed on the housing 5, and the connecting member 4 is used to connect the light-gathering film 3 to the housing 5 and allow the light-gathering film 3 to cover the first display area 21 and the second display area 22 in a removable manner. By arranging the connecting piece 4, the light condensing film 3 can be removably covered on the first display area 21 and the second display area 22, so that when the display area 2 is bent to a preset included angle, stereoscopic display can be formed; when the stereoscopic display is not required, as shown in fig. 4, the light condensing film 3 may be disposed apart from the first display area 21 and the second display area 22, so as to prevent the light condensing film 3 from affecting the display of the two-dimensional image. And be convenient for fixed spotlight membrane 3 through setting up connecting piece 4 for spotlight membrane 3 is difficult for appearing placing at will and appearing the phenomenon of easily losing because of separately with display area 2.

As a preferred embodiment of the present invention, as shown in fig. 2-4, the connecting member 4 includes a detachable engaging member 45, the detachable engaging member 45 is connected to the housing 5 in a snap-fit manner, so as to fix the light-focusing film 3 on the back of the housing 5 opposite to the display area 2 when the stereoscopic display is not required (see fig. 4), and fix the light-focusing film 3 on the display area 2 when the stereoscopic display is required (see fig. 3). The detachable clamping piece 45 is connected with the light-gathering film 3, the detachable clamping piece 45 is provided with a clamping groove, the width of the clamping groove is the same as that of the shell 5, and the detachable clamping piece 45 is clamped at two ends of the shell 5, so that the display of the display screen 1 is not influenced by the detachable clamping piece 45 (see fig. 2). In order to further prevent the detachable engaging member 45 from moving or separating when the detachable engaging member 45 is engaged with the two ends of the housing 5, the two ends of the housing 5 are provided with the grooves 51, so that the grooves 51 are matched with the detachable engaging member 45, and when the detachable engaging member 45 is engaged with the housing 5, the movement of the detachable engaging member 45 can be limited, thereby improving the stability of the detachable engaging member 45 combined with the housing 5; when the light condensing film 3 needs to be replaced from the display area 2 to the surface of the shell 5 opposite to the display area 2, or replaced from the surface of the shell 5 opposite to the display area 2, the detachable clamping piece 45 is taken down from the shell 5, the detachable clamping piece 45 is rotated by 180 degrees, the position of the light condensing film 3 is changed, the detachable clamping piece 45 is clamped on the shell 5 again, and the light condensing film 3 can be covered to the display area 2 or the light condensing film 3 is covered on the back surface of the shell 5 opposite to the display area 2.

In another embodiment, as shown in fig. 5, the detachable engaging member 45 is connected to the light-gathering film 3, the detachable engaging member 45 has a slot, the width of the slot is the same as the thickness of the housing 5, the housing 5 is clamped into the slot, so that the detachable engaging member 45 is fixed on the housing 5, and the light-gathering film 3 covers the display area 2 or covers the back surface of the housing 5 opposite to the display area 2. When the stereoscopic display is needed, the detachable clamping piece 45 is fixed on the shell 5, and the light-gathering film 3 covers the display area 2; when the stereoscopic display is not needed, the detachable clamping piece 45 is manually detached, the detachable clamping piece 45 is reversely rotated, and the detachable clamping piece 45 is fixed on the shell 5, so that the light-gathering film 3 covers the back surface of the shell 5, which is opposite to the display area 2, and the foldable mobile device displays the two-dimensional image, and the light-gathering film 3 does not influence the display of the two-dimensional image.

In a preferred embodiment, the light-gathering film 3 may be a non-flexible film, and the material may be an optical polymer material such as polyethylene terephthalate (PET) or polymethyl methacrylate (PMMA).

As a second preferred embodiment of the present invention, as shown in fig. 6 and 7, the connecting member 4 includes a reel 41, and the reel 41 is rotatably disposed on the housing 5, and is used for rolling the light collecting film 3 (see fig. 7) when the stereoscopic display is not required, and releasing the light collecting film 3 (see fig. 6) when the stereoscopic display is required. When the reel 41 is arranged as the connecting piece 4, the light-gathering film 3 is wound on the reel 41, the reel 41 rotates to drive the light-gathering film 3 to be wound on the reel 41 or released from the reel 41, the light-gathering film 3 is a flexible film, and the light-gathering film 3 is made of a flexible material; as a modification, the condensing film 3 may be a windable condensing film 3 formed by continuously arranging a plurality of inflexible materials. By disposing the scroll 41 on the housing 5, the scroll 41 does not affect the display of the display screen 1, for example, does not obstruct the display screen 1. The light-gathering film 3 can be released or rolled up through the scroll 41, so that the foldable mobile device can cover the display area 2 with the light-gathering film 3 or not cover the display area 2 as required, thereby meeting the requirements of users.

Further, in the present embodiment, the reel 41 is provided with a limiting member (not shown), when the light-gathering film 3 is released from the reel 41 onto the display area 2 and reaches a predetermined position, the limiting member cooperates with the reel 41 to limit the further rotation of the reel 41, and the light-gathering film 3 is attracted to the display area 2 by an electrostatic attraction force. In other embodiments, the light-gathering film 3 may be fixed on the display area 2 by arranging a fixing member (not shown).

As one preferred scheme, as shown in fig. 8, the foldable mobile device includes a detection member 42 and a first driving member 43, and the first driving member 43 drives the reel 41 to automatically wind the light-gathering film 3 when the detection member 42 detects that the at least two display areas 2, into which the display screen 1 is unfolded, are arranged in a plane. Make through setting up detection piece 42 and first driving piece 43 the utility model discloses a folded cascade mobile device can automatic rolling, when display screen 1 is the plane setting, can't form three-dimensional display, rotates through first driving piece 43 drive spool 41, rolling collecting film 3 for collecting film 3 does not cover display area 2, does not influence the demonstration of two-dimensional image or with collecting film 3 rolling when not using folded cascade mobile device. The utility model discloses a folded cascade mobile device is folding at display area 2 and is predetermine the contained angle, and the user need form when three-dimensional demonstration, through manual or through first driving piece 43 drive spool 41 in order to release the light concentrating film 3, covers the light concentrating film 3 to at least two display areas 2 on.

As a third preferred embodiment, as shown in fig. 9, the connecting member 4 includes a rotating shaft 46, and the rotating shaft 46 is rotatably disposed on the housing 5 and is used for turning the light-gathering film 3 to the back surface of the housing 5 opposite to the display area 2 when the stereoscopic display is not required, and turning the light-gathering film 3 to the display area 2 when the stereoscopic display is required. Rotate through pivot 46 and can realize overturning the spotlight film 3 to display area 2 or overturn to the back that casing 5 carried on the back mutually with display area 2, can realize that display area 2 combines with spotlight film 3 to form stereoscopic display, also can not cover spotlight film 3 on the display area 2, do not influence the two-dimensional demonstration of display area 2. In this embodiment, one condensing film 3 corresponds to two rotating shafts 46, the two rotating shafts 46 are simultaneously disposed on one side of the casing 5, the position of the rotating shaft 46 disposed on the casing 5 is half of the thickness of the casing 5, the length of the rotating shaft 46 connected between the casing 5 and the condensing film 3 is half of the thickness of the casing 5, and the condensing film 3 can be attached to the display area 2 or the casing 5 by turning the condensing film 3 to the display area 2 or turning the condensing film 3 to the back of the casing 5 opposite to the display area 2. In other embodiments, one light-gathering film 3 corresponds to two rotating shafts 46, the two rotating shafts 46 are symmetrically disposed at two ends of the housing 5 and are respectively rotatably connected between the housing 5 and the light-gathering film 3, so that the rotating shafts 46 can rotate relative to the housing 5, the light-gathering film 3 can rotate relative to the rotating shafts 46, and the light-gathering film 3 can cover the display area 2 or the back surface of the housing 5 opposite to the display area 2 by turning.

Further, in order to facilitate the fixing between the rotating shaft 46 and the condensing film 3, a frame (not shown) may be disposed around the condensing film 3, and the condensing film 3 is embedded and fixed in the frame, if the rotating shaft 46 is fixedly connected to the frame, the rotating connection between the rotating shaft 46 and the condensing film 3 can be achieved.

Further, the number of the condensing films 3 and the connectors 4 is at least two corresponding to the number of the display areas 2, and a set of condensing films 3 and connectors 4 is correspondingly disposed on each display area 2. In the embodiment of the utility model, the number of the light-gathering films 3 is at least two, the number of the light-gathering films 3 corresponds to the number of the display areas 2 one by one, each light-gathering film 3 corresponds to the corresponding connecting piece 4, the light-gathering films 3 are convenient to combine with the display areas 2, and the display areas 2 are convenient to fold to form preset included angles; meanwhile, the light-gathering film 3 is convenient to separate from the display area 2, and the two-dimensional display effect is prevented from being influenced. As a modification, as shown in fig. 10, one condensing film 3 may be provided, and one condensing film 3 is also folded to form a predetermined included angle while covering at least two display regions 2.

As a third preferred embodiment, as shown in fig. 11 and 12, the connecting member 4 includes a circulation transmission member 47, the circulation transmission member 47 is disposed at two end sides of the housing 5, and is used for transmitting the light-condensing film 3 on the back surface of the housing 5 opposite to the display area 2 (see fig. 1) when the stereoscopic display is not required; and transmits the condensing film 3 on the display area 2 when the stereoscopic display is required. Through setting up circulation transmission piece 47, can be with circulation transmission piece 47 with the circulated transmission of collecting film 3 in display area 2 and with the 5 backs of the casing that display area 2 carried on the back mutually to cover collecting film 3 fixedly on display area 2 as required, or cover collecting film 3 fixedly on the casing 5 back.

Specifically, as shown in fig. 11 and 12, in the embodiment of the present invention, the circulating transmission member 47 includes two chain wheels 471 rotatably disposed at two end sides of the housing 5, two chains 472 tensioned on the two chain wheels 471 at the same side, the chains 472 disposed at two sides of the housing 5, and the light-gathering film 3 tensioned on the two chains 472; wherein the housing 5 is provided with a support connector 473, the sprocket shaft is rotatably provided on the support connector 473, and the sprockets 471 at both ends are provided on the sprocket shaft. Wherein the size of collecting film 3 equals or slightly is greater than the size of display area 2 with the size of display area 2 just, wherein sprocket 471 can drive chain 472 through rotating and rotate, thereby can drive collecting film 3 and remove to display area 2 top, and cover display area 3 just, when not needing the stereoscopic display, can rotate sprocket 471, make do not have collecting film 3 on the display area, collecting film 3 is preferred to be removed in the back of casing 5 this moment, thereby can make collecting film 3 not influence the two-dimensional display of folded cascade mobile device.

Preferably, the chain 472 is further provided with a flat film 8 (see fig. 13), the flat film 8 and the light collecting film 3 are arranged on the chain 472 in a connected manner, and when stereoscopic display is required, the light collecting film 3 is arranged on the display area 2 in a rotating manner through the rotating chain wheel 471; when stereoscopic display is required, the planar film 8 is rotated on the display area 2 by rotating the sprocket 471, and the planar film 8 does not affect the two-dimensional display of the foldable mobile device.

More preferably, still include second driving piece 476, the output of second driving piece 476 sets up first gear, the one end of the sprocket shaft that one of them sprocket 471 place sets up second gear 475, through the meshing of first gear and second gear 475, second driving piece 476 can drive first gear and rotate, and drive second gear 475 and rotate, thereby drive the sprocket shaft and be located the epaxial sprocket 471 rotation of this sprocket, and then drive the transmission of chain 472, thereby can remove transmission light focusing film 3, make folded cascade mobile device's degree of automation stronger.

As shown in fig. 11, the number of the light-gathering films 3 may be one, which corresponds to one set of the circulating transmission members 47, and when the stereoscopic display is required, the light-gathering films 3 are rotated to the display areas 2, and then the display screen 1 is folded into two display areas 2, so that the two display areas 2 reach a preset included angle, thereby forming the stereoscopic display. As shown in fig. 13, the condensing film 3 is two corresponding to the number of the display area 2, the number of the condensing film 3 corresponds to the number of the display area 2 one to one, each condensing film 3 corresponds to the corresponding circulating transmission member 47, the condensing film 3 is combined with the display area 2, the display area 2 is folded to form a preset included angle, and the condensing film 3 on each display area 2 is fixed.

In the embodiment of the present invention, as shown in fig. 1 and 2, a plurality of convex lens units 31 arranged in an array are disposed on the light-gathering film 3. Set up on two at least display areas 2 through convex lens unit 31, two display areas 2 are and predetermine the contained angle, and the convex lens unit 31 that every display area 2 corresponds focuses on the image of display area 2 to same image forming area 6, utilizes pseudo-holographic projection technique, at image forming area 6 formation three-dimensional image, need not to wear 3D glasses, just can produce the stereoeffect. In the present embodiment, the convex lens unit 31 is a planar convex lens unit 31. In other embodiments, the light-gathering film 3 may also include a plurality of light-gathering units arranged in an array, and the light-gathering units are combined to form the display area 2 with a preset included angle, so as to focus the image of the display area 2 on the same imaging area 6, and form a three-dimensional image in the imaging area 6.

Preferably, in the embodiment of the present invention, each display area 2 is composed of a plurality of pixel units arranged in an array, each lenticular lens unit 31 corresponds to one, two, or more pixel units, for example, each lenticular lens unit 31 may correspond to three pixel units, four pixel units, or five pixel units, etc.

The convex lens units 31 corresponding to different positions of the same display area 2 have different light-gathering parameters, and thus images displayed at different positions are focused on the same imaging area 6 in front of the display screen 1. Through controlling the different light-gathering parameters of the convex lens units 31 in the same display area 2 and reasonably arranging the convex lens units 31, the images in the display area 2 can be converged to the same point, so that more continuous visual change is generated, and a three-dimensional effect is formed.

Specifically, the preset included angle is not less than 120 degrees and not more than 160 degrees, and the distance between the imaging region 6 and at least two display regions 2 is not less than 7 cm. The display screen 1 (see fig. 1) is folded, the area between the two display areas 2 is the bending area 7 (see fig. 3), the light-gathering parameters of the light-gathering film 3 are reasonably controlled, the preset included angle is theta (see fig. 4), theta is controlled to be larger than or equal to 120 degrees and smaller than or equal to 160 degrees, the bending area 7 can be in an open state, and the stereoscopic image can be conveniently watched. By controlling the distance between the imaging area 6 and the two display areas 2, the vision of the imaging area 6 blocked by the display areas 2 can be reduced, and the stereoscopic image can be easily observed.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A foldable mobile device, comprising:

a display screen (1), the display screen (1) comprising at least two display areas (2) that are foldable relative to each other;

the light-gathering film (3) covers the at least two display areas (2), and then when a preset included angle is formed between the at least two display areas (2), images displayed by the at least two display areas (2) are focused on the same imaging area (6) in front of the display screen (1), and then stereoscopic display is formed.

2. Foldable mobile device according to claim 1, characterized in that it comprises a housing (5) and a connection element (4), said display screen (1) being fixed to said housing (5), said connection element (4) being adapted to connect said light-concentrating film (3) to said housing (5) and to allow said light-concentrating film (3) to cover said at least two display areas (2) in a removable manner.

3. Foldable mobile device according to claim 2, wherein said connection element (4) comprises a reel (41), said reel (41) being rotatably arranged on said housing (5) for rolling up said light gathering film (3) when stereoscopic display is not required and for releasing said light gathering film (3) when stereoscopic display is required.

4. Foldable mobile device according to claim 3, characterized in that it comprises a detection element (42) and a first driving element (43), said first driving element (43) driving said reel (41) to automatically wind said light-concentrating film (3) when said detection element (42) detects that said display screen (1) is unfolded such that said at least two display areas (2) are in a planar arrangement.

5. Foldable mobile device according to claim 2, wherein the connection element (4) comprises a detachable engaging element (45), and the detachable engaging element (45) is engaged with the housing (5) for fixing the light-focusing film (3) to the back of the housing (5) opposite to the display area (2) when stereoscopic display is not required, and for fixing the light-focusing film (3) to the display area (2) when stereoscopic display is required.

6. Foldable mobile device according to claim 2, wherein said connection element (4) comprises a rotation shaft (46), said rotation shaft (46) being rotatably disposed on said housing (5) for turning said light-gathering film (3) to a back side of said housing (5) opposite to said display area (2) when stereoscopic display is not required, and for turning said light-gathering film (3) to said display area (2) when stereoscopic display is required.

7. Foldable mobile device according to claim 2, wherein said connection element (4) comprises a circulating transmission element (47), said circulating transmission element (47) is disposed at two ends of said housing (5) for transmitting said light-gathering film (3) to a back surface of said housing (5) opposite to said display area (2) when stereoscopic display is not required, and for transmitting said light-gathering film (3) to cover said display area (2) when stereoscopic display is required.

8. Foldable mobile device according to claim 2, characterized in that the number of light concentrating films (3) and connectors (4) is at least two corresponding to the number of display areas (2), and a set of light concentrating films (3) and connectors (4) is provided for each display area (2).

9. Foldable mobile device according to claim 1, characterized in that said light-gathering film (3) comprises a plurality of lenticular elements (31) or light-gathering elements arranged in an array.

10. Foldable mobile device according to claim 9, wherein said lenticular elements (31) corresponding to different positions of the same display area (2) have different light gathering parameters, so as to focus the images displayed in said different positions on the same imaging area (6) in front of said display screen (1).