CN108234699B

CN108234699B - Electronic device and display screen assembly thereof

Info

Publication number: CN108234699B
Application number: CN201711499457.1A
Authority: CN
Inventors: 周意保; 张海平
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2021-03-05
Anticipated expiration: 2037-12-29
Also published as: CN108234699A

Abstract

The invention provides a display screen assembly which comprises a metal middle frame and a display screen accommodated in the metal middle frame, wherein the metal middle frame comprises a connecting sheet, the connecting sheet is arranged in the metal middle frame and is positioned at the rear side of the display screen, a lens connecting hole for connecting a camera lens is formed in the connecting sheet, and the display screen is provided with a light-transmitting area right facing the connecting sheet, so that only the light-transmitting area occupies the space of the display screen, the effective display space of the display screen is increased, the screen occupation ratio is improved, and the visual experience of a user is improved. The invention also provides an electronic device provided with the display screen assembly.

Description

Electronic device and display screen assembly thereof

Technical Field

The invention relates to the technical field of electronics, in particular to an electronic device and a display screen assembly thereof.

Background

In an existing electronic device, such as a mobile phone and a tablet computer, electronic devices, such as a front lens assembly, a receiver assembly, and a light sensor, are generally disposed at an upper end of a front surface of the electronic device. The comprehensive screen mobile phone is more attractive in vision and can bring better visual experience to users, so that the comprehensive screen mobile phone becomes a trend of mobile phone development, however, electronic devices such as a front lens assembly, a receiver assembly, a light sensor and the like generally occupy a row of wider space at the upper end of the front face of an electronic device, and accordingly improvement of the screen occupation ratio of the mobile phone is limited.

Disclosure of Invention

The invention aims to provide an electronic device with a high screen occupation ratio and a display screen assembly thereof.

In order to solve the technical problem, the invention provides a display screen assembly which comprises a metal middle frame and a display screen accommodated in the metal middle frame, wherein the metal middle frame comprises a connecting sheet, the connecting sheet is arranged in the metal middle frame and is positioned at the rear side of the display screen, a lens connecting hole for connecting a camera lens is formed in the connecting sheet, and the display screen is provided with a light-transmitting area facing the connecting sheet.

An electronic device comprises a shell, a circuit board arranged in the shell, a display screen arranged on the front side of the shell, and a display screen cover plate arranged on the front side of the display screen in a covering mode, wherein the shell comprises a metal middle frame, the display screen is contained in the metal middle frame, the metal middle frame comprises a connecting sheet, the connecting sheet is arranged in the metal middle frame and located on the rear side of the display screen, the circuit board is located on the rear side of the connecting sheet, a lens connecting hole used for connecting a camera lens is formed in the connecting sheet, and the display screen is provided with a light-transmitting area opposite to the connecting sheet.

The connecting sheet is arranged in the metal middle frame of the electronic device, the camera lens is connected to the connecting sheet, and the light-transmitting area is arranged on the display screen only in the area opposite to the connecting sheet, so that the other areas except the light-transmitting area on the display screen are arranged as information display areas, namely, the camera lens only has the light-transmitting area to occupy the space of the display screen, thereby increasing the effective display space of the display screen, improving the screen occupation ratio and improving the visual experience of users.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an electronic device according to a first embodiment of the invention.

Fig. 2 is a schematic structural diagram of a metal middle frame provided in a first embodiment of the electronic device of the present invention.

Fig. 3 is a partially enlarged schematic view of the metal middle frame in fig. 1.

Fig. 4 is a sectional view taken along line IV-IV in fig. 3.

Fig. 5 is a schematic partial cross-sectional structure diagram provided in the first embodiment of the electronic device of the present invention.

Fig. 6 is a schematic structural diagram of a metal middle frame provided in a second embodiment of the electronic device of the present invention.

Fig. 7 is a schematic structural diagram of a metal middle frame provided in a third embodiment of the electronic device of the present invention.

Fig. 8 is a schematic structural diagram of a metal middle frame provided in a fourth embodiment of the electronic device of the present invention.

Fig. 9 is a schematic structural diagram of a metal middle frame provided in a fifth embodiment of the electronic device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4 together, fig. 1 is a schematic perspective view of an electronic device according to a first embodiment of the present invention, fig. 2 is a schematic structural view of a metal middle frame according to the first embodiment of the electronic device, fig. 3 is an enlarged schematic partial structure view of the metal middle frame in fig. 1, and fig. 4 is a cross-sectional view taken along line IV-IV in fig. 3. The invention provides an electronic device 100, which comprises a housing 20, a circuit board 40 disposed in the housing 20, a display screen 60 disposed on the front side of the housing 20, and a display screen cover 70 covering the front side of the display screen 60. The housing 20 includes a metal middle frame 22, and the display screen 60 is accommodated in the metal middle frame 22. The metal middle frame 22, the display screen 60 and the display screen cover plate 70 are combined into a display screen assembly. The metal middle frame 22 includes a connecting piece 221, and the connecting piece 221 is disposed in the metal middle frame 22 and located at the rear side of the display screen 60. The circuit board 40 is located at the rear side of the connecting piece 221, a camera lens 41 and a receiver 43 are arranged on one side of the circuit board 40 facing the connecting piece 221, the camera lens 41 and the receiver 42 are both connected to the connecting piece 221, and the display screen 60 is provided with a light-transmitting area 61 facing the connecting piece 221.

The front side of the display screen 60 is a surface on which information is displayed, and the rear side of the display screen 60 is a surface facing the front side.

In this embodiment, the electronic device 100 is a mobile phone, and the camera lens 41 is a front camera lens.

The connecting piece 221 is arranged in the metal middle frame 22 of the electronic device 100, the camera lens 41 is connected to the connecting piece 221, and the display screen 60 is provided with the light-transmitting area 61 only in the area facing the connecting piece 221, so that the other areas of the display screen 60 except the light-transmitting area 61 are set as information display areas, that is, only the light-transmitting area 61 of the camera lens 41 occupies the space of the display screen 60, thereby increasing the effective display space of the display screen 60 and improving the screen occupation ratio.

In this embodiment, the light-transmitting area 61 is a transparent display area arranged on the display screen 60, that is, the display screen 60 includes an information display area and the transparent display area, the information display area is used for displaying information such as images and characters, and the transparent display area is always in a transparent state.

In other embodiments, the light-transmitting area 61 is a through hole opened on the display screen 60, that is, the through hole can be formed by a cutting process, such as a Computer Numerical Control (CNC) cutting process.

The metal bezel 22 includes a top wall 224, a bottom wall 226 opposite the top wall 224, and two opposite side walls 227. The top wall 224, the bottom wall 226, and the two side walls 227 together define a receiving space 228, and the connecting piece 221 is protruded from the top wall 224 and extends into the receiving space 228. The connecting piece 221 is square, the dimension of the connecting piece 221 extending along the length direction of the top wall 224 is smaller than a first preset value, and the dimension of the connecting piece 221 extending along the length direction of the side wall 226 is smaller than a second preset value. The connecting piece 221 includes a bottom surface 2211 far away from the top wall 224 of the frame 22, and two end surfaces 2213 disposed at two opposite ends of the bottom surface 2211, and an arc is disposed between each end surface 2213 and the bottom surface 2211. Because an arc is arranged between each end face 2213 of the connecting piece 221 and the bottom face 2211, the area of the connecting piece 221 can be reduced, and because the shape and the size of the light-transmitting area 61 are consistent with those of the connecting piece 221, when the area of the connecting piece 221 is reduced, the area of the light-transmitting area 61 can also be reduced, so that the space occupied by the light-transmitting area 61 on the display screen 60 is reduced, and the screen occupation ratio is improved.

In other embodiments, a chamfer may be provided between each end face 2213 of the connecting piece 221 and the bottom face 2211, and the chamfer may be a rounded or a right-angled angle.

In this embodiment, the first preset value is 15 mm, and the second preset value is 5 mm.

The connecting piece 221 is provided with a lens connecting hole 222 and a receiver connecting hole 223, the camera lens 41 is connected in the lens connecting hole 222, and the receiver 43 is connected in the receiver connecting hole 223. A plurality of sound outlet holes 2241 are opened on the top wall 224 adjacent to the earpiece connection hole 223, and each sound outlet hole 2241 penetrates through the receiving space 228.

In this embodiment, each sound outlet hole 2241 is opened near the front side of the top surface of the top wall 224 and extends obliquely toward the connecting sheet 221, so that the sound outlet hole 2241 is as close to the front side of the electronic device 100 as possible. When the user answers the phone through the electronic device 100, the sound holes 2241 are closer to the user's ears, so that the sound can be heard more clearly.

A support plate 229 is further disposed in the receiving space 228 of the metal middle frame 22, the support plate 229 is connected between the two side walls 227, and the support plate 229 is located at the front side of the connecting plate 221 (as shown in fig. 4). The support plate 229 is used for supporting the display screen 60, and the support plate 229 is electrically connected to a ground terminal of the circuit board 40. A first connecting bar 2291 is disposed between the supporting plate 229 and the top wall 224, and a second connecting bar 2293 is disposed between the supporting plate 229 and the bottom wall 226. The metal middle frame 22 is provided with a plurality of partitions, and the metal middle frame 22 is divided into a plurality of sections of frame bodies by the partitions. The width of each partition is 1mm, 2mm or 1 mm-2 mm, and each partition is filled with non-signal shielding material, such as insulating material such as plastic, to connect the metal middle frames 22 at two ends of the partition

In this embodiment, the number of the partitions is four, and the partitions are a first partition P1, a second partition P2, a third partition P3 and a fourth partition P4, the first partition P1 and the third partition P3 are disposed at two ends of one side wall 227, the second partition P2 and the fourth partition P4 are disposed at two ends of the other side wall 227, the first partition P1 and the second partition P2 are adjacent to the top wall 224, and the third partition P3 and the fourth partition P4 are adjacent to the bottom wall 226. The portion of the metal middle frame 22 between the first partition P1 and the second partition P2 is a first antenna radiation frame 2240, and the portion of the metal middle frame 22 between the third partition P3 and the fourth partition P4 is a second antenna radiation frame 2260. The first antenna radiation frame 2240 is grounded through the first connection bar 2291, and the second antenna radiation frame 2260 is grounded through the second connection bar 2293. The first connecting bar 2291 divides the first antenna radiating frame 2240 into a first antenna radiating element 2242 and a second antenna radiating element 2244; the second connecting bar 2293 divides the second antenna radiation frame 2260 into a third antenna radiation unit 2262 and a fourth antenna radiation unit 2264. The portion of the metal middle frame 22 between the first partition P1 and the first connecting bar 2291 is the first antenna radiating element 2242, and the portion of the metal middle frame 22 between the second partition P2 and at least one of the first connecting bars 2291 is the second antenna radiating element 2244; the third antenna radiation unit 2262 is a portion of the metal middle frame 22 between the third partition P3 and the second connection bar 2293, and the fourth antenna radiation unit 2264 is a portion of the metal middle frame 22 between the fourth partition P4 and the second connection bar 2293.

The first antenna radiating unit 2242 and the fourth antenna radiating unit 2264 are electrically connected to the GSM antenna rf circuit and the CDMA antenna rf circuit, respectively; the second antenna radiation unit 2244 and the third antenna radiation unit 2262 may be respectively connected to any two of a GPS antenna radio frequency circuit, a bluetooth antenna radio frequency circuit, a WIFI antenna radio frequency circuit, and an NFC antenna radio frequency circuit.

In other embodiments, the second antenna radiating element 2244 and the third antenna radiating element 2262 are electrically connected to the GSM antenna rf circuit and the CDMA antenna rf circuit, respectively; the first antenna radiating unit 2242 and the fourth antenna radiating unit 2264 may be respectively connected to any two of a GPS antenna radio frequency circuit, a bluetooth antenna radio frequency circuit, a WIFI antenna radio frequency circuit, and an NFC antenna radio frequency circuit.

The display cover 70 may be made of transparent material such as glass, sapphire or polyvinyl chloride, and the display cover 70 is used for protecting the display 60.

Referring to fig. 5, fig. 5 is a schematic cross-sectional structure diagram of an electronic device according to a first embodiment of the invention. The display screen 60 is accommodated in the accommodating space 228, so that the rear side of the display screen 60 is supported on the supporting plate 229, the display screen cover plate 70 is attached to the front side of the display screen 60, the circuit board 40 is mounted on the rear side of the connecting piece 221, the camera lens 41 is connected to the lens connecting hole 222, and the receiver 43 is connected to the receiver connecting hole 223. At this time, a gap 2281 is disposed between the rear side surface of the display screen 60 and the connecting sheet 221, each sound outlet hole 2241 is communicated with the gap 2281, and the sound emitted from the earpiece 43 is transmitted to the outside of the housing 20 through the gap 2281 and the plurality of sound outlet holes 2241; the camera lens 41 faces the transparent area 61 of the display screen 60, so that the light emitted by the camera lens 41 can pass through the transparent area 61, and the camera lens 41 can receive the light passing through the transparent area 61.

In other embodiments, the connecting piece 221 is further provided with a light sensor and an optical fingerprint sensor or a flash lamp facing the transparent region 61.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a metal middle frame according to a second embodiment of the electronic device of the present invention. The structure of the second embodiment of the electronic device is similar to that of the first embodiment, except that: in the second embodiment, the connecting piece 221a is generally circular, that is, the connecting piece 221a has a reduced dimension extending along the length direction of the top wall 224. Since the light-transmitting region 61 of the display 60 corresponds to the connection piece 221a, the area of the light-transmitting region 61 is also reduced accordingly. The connecting piece 221a is only provided with the lens connecting hole 222, and the camera lens 41 is connected in the lens connecting hole 222. The earpiece 43 is attached to the bottom surface of the top wall 224 adjacent to the sound outlet holes 2241. Since the connecting piece 221a only needs to mount the camera lens 41, the area of the connecting piece 221a is reduced, and the area of the light-transmitting area 61 of the display screen 60 is also reduced correspondingly, thereby further improving the screen occupation ratio.

In other embodiments, each sound outlet hole 2241 is opened on the top surface of the top wall 224, and the sound outlet hole 2241 is communicated with the sound outlet of the earpiece 43, and does not need to extend obliquely on the top wall 224.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a metal middle frame according to a third embodiment of the electronic device of the present invention. The structure of the third embodiment of the electronic device is similar to that of the second embodiment, except that: in the third embodiment, the connecting piece 221b is disposed at the intersection of the top wall 224 and one of the side walls 227, and the light-transmitting area 61 on the display screen 60 is disposed at a corner of the display screen 60 corresponding to the connecting piece 221 b. The connecting piece 221b is arranged at the intersection of the top wall 224 and one of the side walls 227, so that the area of the connecting piece 221b is further reduced, the area of the light-transmitting area 61 is further reduced, and the corner of the display screen 60 is a non-main visual observation area, so that the screen occupation ratio is further improved, and the visual experience of a user can be improved.

Referring to fig. 8, fig. 8 is a schematic structural diagram of a metal middle frame according to a fourth embodiment of the electronic device of the present invention. The structure of the fourth embodiment of the electronic device is similar to that of the second embodiment, except that: in the fourth embodiment, the connecting piece 221c is an inverted triangle, and the lens connecting hole 222 is opened at the tip end of the connecting piece 221c, so that the area of the connecting piece 221c can be further reduced, the area of the light-transmitting area 61 of the display screen 60 can be further reduced, and the screen occupation ratio can be further improved.

Referring to fig. 9, fig. 9 is a schematic structural diagram of a metal middle frame according to a fifth embodiment of the electronic device of the present invention. The structure of the fifth embodiment of the electronic device is similar to that of the second embodiment, except that: in the fifth embodiment, the connecting piece 221d is circular, and the center of the connecting piece 221d is provided with the lens connecting hole 222, so that the area of the connecting piece 221d can be further reduced, and the area of the light-transmitting area 61 of the display screen 60 can be correspondingly further reduced, thereby further improving the screen occupation ratio.

In other embodiments, the connecting piece may also be in the shape of an inverted trapezoid or other regular shape or irregular side shape, and the connecting piece may also be disposed on the side wall 227 or the bottom wall 226 of the metal middle frame 22.

The foregoing is illustrative of embodiments of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the embodiments of the present invention and are intended to be within the scope of the present invention.

Claims

1. A display screen component comprises a metal middle frame and a display screen accommodated in the metal middle frame, it is characterized in that the metal middle frame comprises a top wall, a bottom wall opposite to the top wall and two opposite side walls, and a connecting sheet, the top wall, the bottom wall and the two side walls enclose a containing space together, the connecting sheet is convexly arranged on the top wall and extends into the accommodating space, the connecting sheet is positioned at the rear side of the display screen, the length of the connecting piece extending along the length direction of the top wall is less than a first preset value, the length of the connecting piece extending along the length direction of the side wall is less than a second preset value, the connecting piece is provided with a lens connecting hole for connecting a camera lens, the display screen is provided with a light transmitting area which is over against the connecting piece, and the shape and the size of the light transmitting area are consistent with those of the connecting piece; the connecting piece is further provided with a receiver connecting hole, a plurality of sound outlet holes are formed in the position, close to the receiver connecting hole, of the metal middle frame, and each sound outlet hole is formed in the position, close to the front side, of the top surface of the top wall and extends towards the connecting piece in an inclined mode.

2. The display screen assembly of claim 1, wherein the first predetermined value is 15 millimeters and the second predetermined value is 5 millimeters.

3. The display screen assembly of claim 1, wherein the light transmissive region is a transparent display region disposed on the display screen.

4. The display screen assembly of claim 1, wherein the light transmissive region is a through hole opening in the display screen.

5. A display screen assembly according to any of claims 1 to 4, wherein the connection tab comprises a base surface and two end surfaces disposed at opposite ends of the base surface, each end surface having a radius from the base surface to reduce the area of the connection tab.

6. A display screen assembly according to any of claims 1 to 4, wherein the connecting tab is provided at a corner of the middle frame.

7. A display screen assembly according to any of claims 1 to 4, wherein the connecting tab is square, inverted triangular, circular or inverted trapezoidal.

8. The display screen assembly of any one of claims 1-4, wherein a gap is disposed between the display screen and the connecting sheet, and each sound outlet hole is in communication with the gap.

9. The display screen assembly of claim 1, wherein the metal bezel further comprises a support plate disposed at a front side of the connecting sheet, the support plate being configured to support the display screen, the support plate being electrically connected to a ground terminal of a circuit board.

10. The display screen assembly of claim 9, wherein the metal center frame defines a plurality of partitions that divide the metal center frame into a first antenna radiation frame and a second antenna radiation frame.

11. The display screen assembly of claim 10, wherein a first connecting strip is disposed between the support plate and the top wall, and a second connecting strip is disposed between the support plate and the bottom wall, the first connecting strip dividing the first antenna radiating frame into a first antenna radiating element and a second antenna radiating element; the second connecting strip divides the second antenna radiation frame body into a third antenna radiation unit and a fourth antenna radiation unit, the first antenna radiation unit and the fourth antenna radiation unit are respectively and electrically connected to the GSM antenna radio frequency circuit and the CDMA antenna radio frequency circuit, and the second antenna radiation unit and the third antenna radiation unit can be respectively connected to any two of the GPS antenna radio frequency circuit, the Bluetooth antenna radio frequency circuit, the WIFI antenna radio frequency circuit and the NFC antenna radio frequency circuit.

12. An electronic device, comprising a display screen assembly according to any one of claims 1-11.