Tablet type electronic equipment

Abstract

The utility model relates to a tablet electronic device. The device comprises a tablet body and an external camera module. The flat plate body comprises a frame, and a notch is formed in the frame. The external camera module is installed in the notch and comprises a first front-facing camera and a second front-facing camera, and the first front-facing camera and the second front-facing camera are used for collecting images in front of the tablet body. The shooting direction of the first front-facing camera is different from that of the second front-facing camera. According to the equipment, more images can be acquired by utilizing the front-facing camera module, and the boundary dimension of the equipment can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flat-panel electronic equipment, in particular to a flat-panel electronic equipment. BACKGROUND

[0002] For example, in order to display more information, a flat-panel electronic equipment with a main body is usually used. The flat-panel electronic equipment on the market is also provided with a camera, which is used to collect image information of a user, such as monitoring the posture and listening situation of the user. SUMMARY

[0003] The present application provides a flat-panel electronic equipment, which can collect more images by using a front camera module and reduce the size of the equipment.

[0004] A flat-panel electronic equipment comprises:

[0005] A flat-panel body comprising a frame, wherein the frame is formed with a notch;

[0006] An external camera module is installed in the notch, wherein the external camera module comprises a first front camera and a second front camera, the first front camera and the second front camera are used to collect images in front of the flat-panel body, and the shooting direction of the first front camera is different from the shooting direction of the second front camera.

[0007] Optionally, the flat-panel body further comprises a plate-shaped main body surrounded by the frame, the main body is further formed with a recess at a position corresponding to the notch, and the frame is recessed inward at the recess to form the notch.

[0008] Optionally, the main body comprises a display area on the front face and a non-display area outside the display area, the recess is arranged in the non-display area and penetrates through the thickness direction of the main body.

[0009] Optionally, the notch penetrates through the thickness direction of the flat-panel body; and / or

[0010] The shooting direction of the first front camera faces a user in front of the flat-panel body, and the second front camera is arranged downward relative to the first front camera, and the shooting direction of the second front camera faces a table in front of the user.

[0011] Optionally, the flat-panel body comprises a display screen, one face of the flat-panel body provided with the display screen is a front face, and the other face is a back face, the external camera module comprises a front side part on the front face and a rear side part on the back face, and the lower edge of the front side part is lower than the notch.

[0012] Optionally, the front side portion and the upper end of the rear side portion are connected, forming a "7" shaped bending structure; and / or

[0013] The front side portion is attached to the front surface, the rear side portion is attached to the back surface, and the connection between the front side portion and the rear side portion is attached to the frame.

[0014] Optionally, the flat panel body includes a display screen, and an included angle between an optical axis of the first front camera and the display screen is 80°-110°, and / or,

[0015] An included angle between an optical axis of the second front camera and the display screen is 50°-75°.

[0016] Optionally, the external camera module includes a module shell accommodating the first front camera and the second front camera, the module shell includes a skeleton of rigid material and a decorative piece covering the skeleton, and the decorative piece is formed as an appearance piece of the module shell.

[0017] Optionally, the skeleton and the decorative piece are provided as an integrated structure.

[0018] Optionally, the external camera module further includes a display panel accommodated in the module shell and a touch switch electrically connected to the display panel, the touch switch is provided with a touch surface for human hand to touch, the touch surface is exposed outside, and the touch surface is used to turn on or off the display panel.

[0019] Optionally, the display panel is arranged between the first front camera and the second front camera.

[0020] Optionally, the external camera module further includes a bracket accommodated in the module shell, the first front camera and the second front camera are mounted on the bracket, and the bracket is connected to the skeleton.

[0021] Optionally, a shooting field of view of at least one of the first front camera and the second front camera is adjustable; and / or

[0022] The external camera module is movably mounted on the flat panel body; and / or

[0023] The external camera module is detachably mounted on the flat panel body.

[0024] The application provides a tablet electronic device, wherein a frame is formed with a notch. An external camera module is installed in the notch, which makes at least part of the external camera module be accommodated in the notch, realizes the accommodation design of the tablet body to the external camera module, and reduces the occupation of the external camera module to the external space. In addition, the external camera module can also collect more images through the first front camera and the second front camera. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is an exploded view of the tablet electronic device shown in an exemplary embodiment of the application;

[0026] Figure 2 is a front view of the tablet body with the external camera module installed;

[0027] Figure 3 is a partial enlarged view of the tablet body with the external camera module installed, wherein the external camera module is disassembled from parts such as a module shell;

[0028] Figure 4 is a partial enlarged view of the left view of the tablet electronic device;

[0029] Figure 5 is a partial enlarged view of part of the structure of the tablet electronic device;

[0030] Figure 6 is the A-A view in Figure 5 ;

[0031] Figure 7 is the B-B view in Figure 5 ;

[0032] Figure 8 is a schematic view of the shooting field of view of the second front camera;

[0033] Figure 9 is a schematic view of the module shell;

[0034] Figure 10 is a schematic view of part of the structure of the external camera module;

[0035] Figure 11 is another exploded view of the external camera module;

[0036] Figure 12 is a top view of the tablet electronic device.

[0037] BRIEF DESCRIPTION OF DRAWINGS

[0038] tablet electronic device 100;

[0039] Flat panel body 10; frame 11; notch 110; main body part 12; display area 12a; non-display area 12b; recess 120; display screen 13;

[0040] Front camera module 20; module shell 21; skeleton 21a; decorative piece 21b; front viewing window 210; front side part 20a; rear side part 20b; bracket 22; first front camera 23; second front camera 24; lower edge 201; front cover plate 25; rear viewing window 214; rear camera 27; rear cover plate 28; display panel 29. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments (or, modes of implementation) of the present application will be described clearly and completely below in conjunction with the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

[0042] If the present application has involved directional indications or positional relationships (such as up, down, left, right, front, back, inner, outer, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships, movement conditions, etc. between components in a certain posture (as shown in the drawings); if the certain posture changes, the directional indications or positional relationships also change accordingly. In addition, the terms "first", "second", etc. in the embodiments of the present application are only used for convenience of description, and cannot be understood as indicating or implying relative importance.

[0043] Please refer to Figure 1 and Figure 2 , Figure 1 An exploded view of a flat panel electronic device 100 according to an example embodiment of the present application. Figure 2 A front view of the flat panel electronic device 100 according to an example embodiment of the present application.

[0044] The present application provides a flat panel electronic device 100, which includes a flat panel body 10 and an external camera module 20. The flat panel body 10 includes but is not limited to a tablet computer, a tablet learning machine, and a tablet game machine. The flat panel body 10 includes a frame 11, and the frame 11 is formed with a notch 110. The external camera module 20 is installed in the notch 110, so that at least part of the external camera module 20 is accommodated in the notch 110, achieving a housing design of the flat panel body 10 to the external camera module 20, and reducing the occupation of external space by the external camera module 20.

[0045] The notch 110 can be a through-type notch penetrating along the thickness direction of the flat plate body 10, or a non-through-type notch not penetrating along the thickness direction of the flat plate body 10. In this embodiment, the through-type notch is adopted. The through-type notch makes the appearance of the flat plate body 10 simple, and facilitates processing and manufacturing.

[0046] It should be noted that the external camera module 20 can be mounted on the uppermost side of the frame of the flat plate body 10 in use. In other embodiments, the external camera module 20 can also be mounted on the left and right side frames of the flat plate body 10. In this paper, up, down, left and right are the reference directions of the flat plate body 10 in use, and the specific reference Figure 2 is the text mark.

[0047] Please refer to Figure 2 and Figure 3 , Figure 3 is a partial enlarged view of the flat plate body 10 with the external camera module 20 mounted thereon, wherein the external camera module 20 is disassembled from some parts such as the module shell.

[0048] The external camera module 20 includes a first front camera 23 and a second front camera 24, and the first front camera 23 and the second front camera 24 are used to collect images in front of the flat plate body 10. The shooting direction of the first front camera 23 is different from that of the second front camera 24. Here, the "shooting direction" refers to the direction of the optical axis of the camera. The external camera module 20 can collect more images through the first front camera 23 and the second front camera 24.

[0049] The present application does not limit the specific way of forming the notch 110 on the frame 11. For example, the notch 110 can be formed by removing part of the material from the frame 11. In this embodiment, the frame 11 is inwardly recessed. Specifically, the flat plate body 10 further includes a plate-shaped main body 12 surrounded by the frame 11, and the part corresponding to the notch 110 of the main body 12 further forms a recess 120, and the frame 11 is inwardly recessed at the recess 120 to form the notch 110. In this way, the material of the frame 11 does not need to be removed, thereby avoiding weakening the strength of the frame 11. Moreover, the recess 120 is arranged on the main body 12, which is beneficial to increase the depth of the notch 110, so that the external camera module 20 can be better accommodated in the notch 110, and the overall size of the device 100 is reduced.

[0050] In one embodiment, the main body 12 includes a display area 12a on the front face and a non-display area 12b outside the display area 12a, the recess 120 is arranged in the non-display area 12b and penetrates along the thickness direction of the main body 12. In this way, the recess 120 is only formed in the non-display area 12b, and thus does not affect the display effect of the display area 12a. In addition, the through-type recess 120 is more convenient to adapt to the external camera module 20.

[0051] In one embodiment, as shown in Figure 3 , the shooting direction of the first front camera 23 faces the user in front of the tablet body 10, and the second front camera 24 is arranged downward relative to the first front camera 23, and the shooting direction of the second front camera 24 faces the desktop in front of the user. Among them, the shooting direction of the first front camera 23 refers to the direction of the optical axis O1 of the first front camera 23 shown in Figure 3 , and the shooting direction of the second front camera 24 refers to the direction of the optical axis O2 of the second front camera 24 shown in Figure 3 . For example, the first front camera 23 can capture the portrait of the user, including but not limited to the sitting posture, expression, etc. of the user, and the second front camera 24 can capture the information of the objects on the desktop in front of the user, including but not limited to test papers, books, etc. Therefore, when the device 100 is used to implement teaching tasks, it can have more interaction with the user, and the teaching method is more convenient.

[0052] Please refer to Figure 2 and Figure 4 , Figure 4 for the left view of the tablet electronic device 100.

[0053] The tablet body 10 further includes a display screen 13, and the main body 12 is provided with the display screen 13. One face of the tablet body 10 provided with the display screen 13 is the front face, and the front face is the image display face. The face of the tablet body 10 opposite to the display screen 13 is the back face, and the external camera module 20 includes a front side portion 20a on the front face and a rear side portion 20b on the back face, and the lower edge 201 of the front side portion 20a is lower than the notch 110. In this way, the front side portion 20a can shield the notch 110, avoiding the exposure of the notch 110, and improving the appearance.

[0054] In one embodiment, the front side portion 20a and the upper end of the rear side portion 20b are connected, forming a "7" shaped bending structure. That is, the front side portion 20a is formed as a horizontal part of the "7" shape, and the rear side portion 20b is formed as a vertical part of the "7" shape, which is more simple and compact in structure, making it easier for the external camera module 20 to be mounted or installed on the frame of the tablet body 10.

[0055] In one embodiment, the front side portion 20a is attached to the front face of the flat panel body 10, the rear side portion 20b is attached to the back face of the flat panel body 10, and the joint of the front side portion 20a and the rear side portion 20b is attached to the frame 11. In this way, the stability of the installation of the external camera module 20 is improved, and the external camera module 20 occupies less external space on the front face and the back face of the flat panel body 10, so that the overall structure of the flat panel electronic device 100 is more compact.

[0056] Please refer to Figures 5 to 8 , Figure 5 for a partial enlarged view of the partial structure of the flat panel electronic device 100. Figure 6 is Figure 5 A-A view in Figure 7 is Figure 5 B-B view in Figure 8 is a schematic view of the field of view of the second front-facing camera 24.

[0057] In one embodiment, as shown in Figure 6 , the angle γ between the optical axis O1 of the first front-facing camera 23 and the display screen 13 is 80°-110°, for example, 80°, 82°, 85°, 90°, 92°, 95°, 100°, 102°, 105°, 108°, 110°, but not limited to this. Based on this, it is considered that the flat panel electronic device 100 is usually set in front of the user when in use, but there may be a certain inclination when the flat panel electronic device 100 is set. By setting the angle between the shooting direction of the first front-facing camera 23 and the display face to 80°-110°, the first front-facing camera 23 can better collect the user's posture, the shooting direction of the first front-facing camera 23 can be perpendicular to or close to the user, and the collection accuracy can be guaranteed. It can be understood that when the angle between the shooting direction of the first front-facing camera 23 and the display face is greater than 90°, the shooting direction of the first front-facing camera 23 will be slightly inclined away from the display face. This design can compensate for the angle deviation caused by the placement of the flat panel electronic device 100, and improve the collection accuracy.

[0058] In one embodiment, as shown in Figure 7 , the angle α between the optical axis O2 of the second front-facing camera 24 and the display screen 13 is 50°-75°. For example, it can be 50°, 55°, 60°, 65°, 70°, 75°. As Figure 8As shown, when the flat plate body 10 is upright and displays image information through the display surface, the second front camera 24 is facilitated to take a downward shot, and by selecting an inclination angle of 50° to 75° and combining control of the focal length of the second front camera 24, the second front camera 24 is facilitated to collect image information of a region of about 240 (width) * 340 (height) mm in size in front of the user, for example, to realize linkage of teaching and a roll or paper, so that teaching is more convenient.

[0059] In Figure 7 In the embodiment shown, the external camera module 20 further includes a front cover plate 25 arranged in front of the first front camera 23 and the second front camera 24. The front cover plate 25 is made of a light-transmissive material, and the front cover plate 25 includes but is not limited to a light-transmissive glass cover plate. In an embodiment, the front cover plate 25 can be a dark transparent glass cover plate, which can transmit light and avoid exposing the first front camera 23 and the second front camera 24 to the outside, thereby protecting and sealing the first front camera 23 and the second front camera 24.

[0060] It should be noted that the front cover plate 25 is an integral cover plate for shielding the front of both the first front camera 23 and the second front camera 24, that is, the same front cover plate 25 can shield the first front camera 23 and the second front camera 24 at the same time. Compared with the prior art in which multiple cameras are shielded by multiple cover plates, the number of structural parts is reduced, the assembly process is simplified, and the structural layout is more compact. In the embodiment, the front cover plate 25 is a long circular cover plate with semicircular ends and a rectangular middle (see Figure 2 ), and the first front camera 23 and the second front camera 24 are arranged side by side at the two ends of the length direction of the front cover plate 25.

[0061] In an embodiment, the front cover plate 25 is inclined downward, and the inclination direction of the front cover plate 25 is the same as that of the second front camera 24. The upper end of the front cover plate 25 is not lower than the upper edge of the first front camera 23, and the lower end of the front cover plate 25 is not higher than the lower edge of the second front camera 24. That is, the front cover plate 25 is also inclined in the direction in which the second front camera 24 is inclined, and the lower end is not higher than the lower edge of the second front camera 24, so that the front cover plate 25 can avoid shielding the field of view of the second front camera 24. At the same time, the upper end of the front cover plate 25 is not lower than the upper edge of the first front camera 23, so that the front cover plate 25 can also ensure that it does not shield the field of view of the first front camera 23.

[0062] With the vertical plane as the reference plane, the front cover plate 25 is inclined downward relative to the vertical plane by an angle β of 20°-40°, for example, which can be 20°, 22°, 25°, 30°, 33°, 35°, 38°, or 40°. In this way, the front cover plate 25 forms a certain inclination angle with the display surface of the flat plate body 10, and it is easier to achieve the inclination of the second front camera 24 relative to the display surface of the flat plate body 10, which is beneficial to reduce the overall thickness of the external camera module 20 and minimize the thickness difference between the camera module 20 and the flat plate body 10.

[0063] Please refer to Figure 9 , Figure 9 for a schematic view of the module housing 21.

[0064] In one embodiment, the external camera module 20 further includes a module housing 21, and the first front camera 23 and the second front camera 24 are accommodated in the module housing 21. The module housing 21 is provided with a front window 210, and the front cover plate 25 is provided on the front window 210 (see Figure 5 ). The module housing 21 includes a skeleton 21a made of a rigid material and a decorative piece 21b covering the skeleton 21a, and the decorative piece 21b is formed as an appearance piece of the module housing 21. In this way, the skeleton 21a is used to increase the strength of the module housing 21, thereby increasing the impact resistance of the external camera module 20 when falling. The skeleton 21a includes, but is not limited to, a magnesium alloy skeleton or an aluminum alloy skeleton. The bracket 22 is connected to the skeleton 21a, and the connection strength is higher.

[0065] In an alternative embodiment, the skeleton 21a and the decorative piece 21b are provided in an integrated structure. For example, the decorative piece 21b is made of a plastic piece, and the skeleton 21a can be embedded and integrally injection molded with the decorative piece 21b, but is not limited thereto.

[0066] Please refer to Figure 10 , Figure 10 for a schematic view of part of the structure of the external camera module 20.

[0067] In one embodiment, the external camera module 20 further comprises a display panel 29 accommodated in the module housing 21 and a touch switch (not shown) electrically connected with the display panel 29, the display panel 29 faces the front cover plate 25, and the transparent front cover plate 25 displays images. The touch switch is provided with a touch surface for human hands to touch, the touch surface is exposed outside the module housing 21, and the touch surface is used to turn on or turn off the display panel 29. The display panel 29 includes but is not limited to an LED panel. In this embodiment, the display panel 29 is used as an auxiliary display screen, through which auxiliary information such as time, date, temperature, light intensity and the like can be displayed, and the auxiliary display screen can also display prompt information to the user, such as prompting the user to take appropriate rest, prompting the user to correct the sitting posture, etc., through the combination of the auxiliary display screen and the display screen 13 of the tablet body 10, the functions of the tablet electronic device 100 are enriched. As an auxiliary display screen, the display panel 29 can be turned on through the touch switch according to the user's needs, so as to reduce energy consumption and prolong the battery life. It should be noted that the touch surface of the touch switch can be coplanar with the outer surface of the module housing 21, thereby improving the appearance of the module housing 21.

[0068] In one embodiment, the external camera module 20 further comprises a bracket 22 accommodated in the module housing 21, the bracket 22 is connected with the skeleton 21a, and the first front camera 23, the second front camera 24 and the display panel 29 are all mounted on the bracket 22, so as to realize the integration of the first front camera 23, the second front camera 24 and the display panel 29 with the bracket 22, and the modular degree is higher.

[0069] In one embodiment, the display panel 29 is arranged between the first front camera 23 and the second front camera 24, and the display panel 29, the first front camera 23 and the second front camera 24 are arranged side by side. Figure 10 In the embodiment shown, the first front camera 23 and the second front camera 24 are spaced apart, and the display panel 29 is arranged in the space. In this way, the display panel 29 can effectively utilize the space and avoid waste of space. It should be noted that in order to avoid the shooting field of view of the first front camera 23 coinciding with the shooting field of view of the second front camera 24, the first front camera 23 and the second front camera 24 should be separated by a predetermined distance, thereby forming a space between them, and the arrangement of the display panel 29 can effectively utilize the space and avoid waste of space. In addition, the display panel 29 is arranged on the back side of the front cover plate 25, and the user cannot turn on the display panel 29 by directly touching, but turns on or turns off the display panel 29 through the touch switch. On the one hand, this can protect the display panel 29 through the front cover plate 25, and on the other hand, it can also select a low-cost LED panel, thereby reducing the cost.

[0070] Please refer to Figure 11 , Figure 11 is another exploded view of the external camera module 20.

[0071] In an embodiment, the module housing 21 is further provided with a rear view window 214, and the external camera module 20 further comprises a rear camera 27 accommodated in the module housing 21, and the rear camera 27 collects images through the rear view window 214. In this way, the external camera module 20 is also integrated with a rear camera, and the shooting function is stronger.

[0072] In Figure 11 In the embodiment shown, the external camera module 20 further comprises a rear cover plate 28 covering the rear view window 214, and the rear camera 27 can collect images through a light-transmitting region 280 of the rear cover plate 28. The light-transmitting region can be provided as a light-transmitting hole or provided with a light-transmitting material. The external camera module 20 can also be provided with a fill light, which can provide illumination for the rear camera. Correspondingly, a light-transmitting region opposite to the fill light can also be provided on the rear cover plate 28, and the light-transmitting region includes but is not limited to a fill light hole or a light-transmitting material.

[0073] In an embodiment, the shooting field of view of at least one of the first front camera 23 and the second front camera 24 is adjustable. For example, the first front camera 23 can be movably arranged, such as upward or downward. The second front camera 24 can be movably arranged, such as upward or downward. Wherein, the first front camera 23 and the second front camera 24 can be manually adjusted or automatically adjusted.

[0074] In an embodiment, the external camera module 20 is movably mounted on the tablet body 10, and the movement includes but is not limited to linear movement or fixed-axis rotation, which makes the shooting field of view of the external camera module 20 adjustable. In this embodiment, the external camera module 20 is detachably mounted on the frame 11 of the tablet body 10, and is kept relatively fixed after being mounted. The mounting method includes but is not limited to clamping or bolt connection, which is conducive to realizing the stability of the external camera module 20 installation, and is convenient for replacement and maintenance. The external camera module 20 is connected with the tablet body 10 through the skeleton 21a.

[0075] Please refer to Figure 12 , Figure 12 is a top view of the tablet electronic device 100.

[0076] In one embodiment, the ratio of the thickness dimension t1 of the tablet body 10 to the dimension t2 of the external camera module 20 in this direction is 0.35 to 0.45, for example, it can be 0.35, 0.4, or 0.45, but is not limited to these. The "thickness dimension" referred to here means the dimension from the front side of the tablet body 10 to the back side of the tablet body 10, i.e., the front-to-back direction (see...). Figure 11 The size of the text markers in the text.

[0077] In one alternative embodiment, the thickness t1 of the tablet body 10 is 7.25 mm, and the thickness t2 of the external camera module 20 is 18.2 mm, with a t1:t2 ratio of 0.4, thus achieving a thinner and lighter design for the external camera module 20.

[0078] In one embodiment, such as Figure 2 As shown, the tablet body 10 is also equipped with a distance sensor 15 and / or an ambient light sensor 14. The distance sensor 15 can obtain the distance between the user and the tablet body 10, and can determine the user's posture by combining the information collected by the external camera module 20, so as to remind the user to correct their sitting posture. The ambient light sensor 14 can collect the ambient light information of the space where the user is located, so as to remind the user to adjust the brightness of the light. In this technical solution, the distance sensor 15 and / or the ambient light sensor 14 are set inside the tablet body 10, so as not to affect the modular assembly of the components inside the external camera module 20, and to minimize the change in the original structure of the tablet electronic device 100, which is conducive to reducing the size of the external camera module 20.

[0079] In some other embodiments, the distance sensor 15 and / or the ambient light sensor 14 may also be disposed within the external camera module 20, thereby making full use of the internal space of the external camera module 20.

[0080] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A flat panel electronic device, characterized by, The application relates to a tablet body comprising a frame, wherein the frame is formed with a notch; an external camera module is arranged in the notch, the external camera module comprises a first front camera and a second front camera, the first front camera and the second front camera are used for collecting images in front of the tablet body, and the shooting direction of the first front camera is different from the shooting direction of the second front camera. The tablet body further comprises a plate-shaped main body part surrounded by the frame, a recess is formed at the part corresponding to the notch of the main body part, and the frame is recessed inward at the recess to form the notch. The main body part comprises a display area on the front face and a non-display area outside the display area, the recess is arranged in the non-display area and penetrates along the thickness direction of the main body part.

2. The flat panel electronic device of claim 1, wherein, The notch penetrates along the thickness direction of the tablet body; and / or 3. The flat panel electronic device of claim 2, wherein, The shooting direction of the first front camera faces the user in front of the tablet body, the second front camera is arranged in a downward inclination relative to the first front camera, and the shooting direction of the second front camera faces the desktop in front of the user.

4. The flat panel electronic device according to any one of claims 1 to 3, characterized by, The tablet body comprises a display screen, one side of the tablet body provided with the display screen is the front face, the side opposite to the display screen is the back face, the external camera module comprises a front side part on the front face and a rear side part on the back face, and the lower edge of the front side part is lower than the notch. The front side part and the rear side part are connected at the upper ends to form a "7" shaped bending structure; and / or 5. The flat panel electronic device according to any one of claims 1 to 3, wherein, The front side part is attached to the front face, the rear side part is attached to the back face, and the connecting part of the front side part and the rear side part is attached to the frame.

6. The flat panel electronic device of claim 5, wherein, The tablet body comprises a display screen, the included angle between the optical axis of the first front camera and the display screen is 80-110 degrees, and / or The included angle between the optical axis of the second front camera and the display screen is 50-75 degrees.

7. The flat panel electronic device according to any one of claims 1 to 3, wherein, The external camera module comprises a module shell for accommodating the first front camera and the second front camera, the module shell comprises a skeleton made of rigid material and a decoration part covering the skeleton, and the decoration part is formed as the appearance part of the module shell. The skeleton and the decoration part are arranged in an integrated structure.

8. The flat panel electronic device according to any one of claims 1 to 3, wherein, The external camera module further comprises a display panel accommodated in the module shell and a touch switch electrically connected to the display panel, the touch switch is provided with a touch surface for being touched by a hand, the touch surface is exposed outside, and the touch surface is used for turning on or off the display panel.

9. The flat panel electronic device of claim 8, wherein, The display panel is arranged between the first front camera and the second front camera.

10. The flat panel electronic device of claim 8, wherein, The external camera module further comprises a support accommodated in the module shell, the first front camera and the second front camera are arranged on the support, and the support is connected to the skeleton.

11. The flat panel electronic device of claim 10, wherein, The shooting field of view of at least one of the first front camera and the second front camera is adjustable; and / or 12. The flat panel electronic device of claim 8, wherein, The external camera module is movably arranged on the tablet body; and / or 13. The flat panel electronic device according to any one of claims 1 to 3, wherein ​ ​ ​ The external camera module is detachably mounted on the tablet body.

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