CN108023181B - Electronic device capable of improving antenna performance - Google Patents

Abstract

The invention provides an electronic device capable of improving antenna performance, which comprises a display screen, a metal frame arranged around the side edge of the display screen and a combining piece arranged between the side edge of the display screen and the top end of the frame, wherein the height of the combining piece exceeds a preset height, so that at least the area with the preset height on the side edge of the display screen is not opposite to the metal frame. According to the invention, the height of the combining piece is set to exceed the preset height, so that the dead-against area of the side edge of the display screen and the metal frame is smaller than a preset value, and the interference between the display screen and the metal frame is avoided.

Description

Electronic Devices That Improve Antenna Performance

technical field

The present invention relates to electronic devices, in particular to an electronic device capable of improving antenna performance.

Background technique

Nowadays, the screen ratio of electronic devices such as mobile phones and tablet computers is getting higher and higher, which makes the antenna clearance area smaller and smaller. At present, the arrival of the full screen makes the antenna clearance area very small. Since the display screen itself will have a certain impact on the antenna, in the era of full screen, how to reduce the impact of the display screen itself on the antenna is a very important consideration. .

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an electronic device capable of antenna performance, which can effectively reduce the influence of the display screen on the antenna performance and improve the antenna performance.

An electronic device is provided, the electronic device includes a display screen, a metal frame arranged around the side of the display screen, and a combination member arranged between the side of the display screen and the top of the frame, wherein the combination The height of the component exceeds a preset height, so that at least an area of the side of the display screen with the preset height is not directly opposite to the metal frame.

In the electronic device provided by the present invention, by setting the height of the coupling member to exceed a preset height, the facing area between the metal frame and the side of the display screen is smaller than a preset value, thereby avoiding the display screen. Interference with the metal frame, when the metal frame is used as the antenna radiator, the influence of the display screen on the antenna signal of the metal frame as the antenna radiator can be significantly reduced.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the implementation manner. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic front view of an electronic device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of an electronic device in an embodiment of the present invention cut along the line I-I in FIG. 1 .

3 is a schematic side view of a display screen in an embodiment of the present invention.

FIG. 4 is a schematic diagram illustrating a touch panel and a display panel when the electronic device according to an embodiment of the present invention is cut along the line I-I in FIG. 1 .

FIG. 5 is a schematic top view of a metal frame in an embodiment of the present invention.

6 is a schematic top view of a metal frame in another embodiment of the present invention.

FIG. 7 is a schematic diagram illustrating the positional relationship between the metal frame, the display screen, and the front frame according to an embodiment of the present invention.

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as “thickness” is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than implying Or indicate that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be construed as a limitation of the present invention. The first and second are only for distinction, and do not refer to a particular Object.

Please refer to FIG. 1 and FIG. 2 together. FIG. 1 is a front view of the electronic device 100 , illustrating the front structure of the electronic device 100 . FIG. 2 is a schematic cross-sectional view taken along the section line I-I in FIG. 1, showing a part of the structure. The electronic device 100 includes a display screen 11 , a metal frame 12 disposed around the side S1 of the display screen 11 , and a joint 13 disposed between the side S1 of the display screen 11 and the top D1 of the metal frame 12 . . Wherein, the height of the coupling member 13 exceeds the preset height, so that the side S1 of the display screen 11 has at least an area of the preset height not facing the metal frame 12 .

As shown in FIG. 2 , the surface of the top D1 of the metal frame 12 and the surface of the side S1 of the display screen 11 are perpendicular to each other to form a step T1 , so that the bonding member 13 is arranged to carry out the step T1 Filling ensures the consistency of the outer surface of the electronic device 100 . By setting the height of the coupling member 13 to exceed a preset height, the facing area between the metal frame 12 and the side S1 of the display screen 11 is smaller than a preset value, thereby avoiding the display screen 11 and the metal interference between borders 12 .

In some embodiments, the top 131 of the coupling member 13 is substantially flush with the upper surface 111 of the display screen 11 , and the bottom 132 of the coupling member 13 is in conflict with the top D1 of the metal frame 12 . Therefore, the higher the height of the coupling member 13 is, the further the top of the metal frame 12 will be away from the upper surface 111 of the display screen 11 , so that the side S1 of the display screen 11 and the metal frame 12 overlap by a height H1 The smaller the correspondingly, the smaller the area facing the side S1 of the display screen 11 and the metal frame 12 is.

The upper surface 111 of the display screen 11 refers to the surface close to the front of the electronic device 100 , and the top D1 of the metal frame 12 refers to the end of the metal frame 12 that is close to the front of the electronic device 100 . .

In some embodiments, the metal frame 12 is used as an antenna radiator for radiating or receiving antenna signals. The preset height is set according to the fact that the facing area of the display screen 11 and the metal frame 12 satisfies that the influence of the display screen 11 on the antenna performance of the metal frame 11 as an antenna radiator is smaller than the preset value. That is, when the height of the coupling member 13 exceeds the preset height, the facing area of the display screen 11 and the metal frame 12 satisfies that the impact of the display screen 11 on the performance of the metal frame 11 as an antenna radiator is less than the preset value.

The preset value may be a value such as 1/10, 1/8, and the like of the maximum power radiated by the antenna.

As shown in FIG. 2 , the electronic device 100 further includes a screen cover 14 , and the screen cover 14 covers the upper part of the display screen 11 and is used for protecting the display screen 11 . The size of the screen cover 14 is larger than that of the display screen 11 and extends beyond the display screen 11 .

As shown in FIG. 2 , a part of the top 131 of the coupling member 13 is located under the screen cover 13 , so that the coupling member 13 is embedded and fixed between the screen cover 13 and the metal frame 12 .

Wherein, the screen cover 13 is a glass cover.

The coupling member 13 is made of insulating materials such as plastics, plastics, and ceramics.

As shown in FIG. 2 , the top portion 131 of the coupling member 13 includes a fitting portion B1 and a protruding portion B2 , and the fitting portion B1 is where the top portion 131 of the coupling member 13 is located under the screen cover 13 . In some areas, the bonding portion B1 is used for bonding with the screen cover 14 , and the bonding portion B1 is flush with the upper surface 111 of the display screen 11 . The protruding portion B2 extends from the outside of the fitting portion B1 and wraps the side of the screen cover 14 from the outside of the screen cover 14 . Wherein, the height of the bonding portion B1 and the bottom 132 of the coupling member 13 exceeds the preset height, so that the side S1 of the display screen 11 has at least the area of the preset height that does not overlap with the metal frame 12 is right.

In some embodiments, the protruding portion B2 extends to a position flush with the upper surface of the screen cover 14 , the outer surface W1 of the protruding portion B2 and the outer surface W2 of the metal frame 12 and the The upper surface 141 of the screen cover 14 is seamlessly connected, so that the metal frame 12 of the electronic device 100 and the screen cover 14 exhibit an integrated effect to achieve seamless connection between the metal frame and the screen cover 13 .

Among them, FIG. 2 only shows the structure of the components related to the present application, such as the structure of the back cover, etc., which is not related to the present application, so it is neither shown nor described.

Please also refer to FIG. 3 , which is a schematic side view of the display screen 11 . The display screen 11 is a touch display screen, including a display panel 111 and a touch panel 112 covering the display panel 111 .

The display panel 11 is used for displaying images, and the touch panel 112 is used for user touch input to perform human-computer interaction.

Please also refer to FIG. 4 , which is a schematic diagram of the display screen 11 including the display panel 111 and the touch panel 112 , which is cut along I-I in FIG. 1 .

As shown in FIG. 4 , in some embodiments, the binding member 13 may be a touch panel (TP, touch panel) frame, which is used to tightly wrap the side of the touch panel 112 . In this embodiment, the coupling member 13 also at least partially wraps the side of the display panel 111 .

In general, the binding member 13 as the touch panel frame only wraps the side of the touch panel 112 , so that the metal frame 12 is directly opposite to the side of the entire display panel 111 . In the present application, the bonding member 13 wraps at least a part of the side of the display panel 111 , so that the position of the metal frame 12 will move down, so that the metal frame 12 is connected to the display screen including the display panel 111 and the touch panel 112 The facing area of the side S1 of the 11 will be smaller, thereby effectively reducing the influence of the display screen 11 on the antenna performance of the metal frame 12 .

In some embodiments, the portion of the binding member 13 wrapping the side of the display panel 111 accounts for 1/3 of the overall thickness of the side of the display panel 111 . Obviously, in other embodiments, the portion of the binding member 13 wrapping the side of the display panel 111 may also account for a suitable ratio such as 2/5 of the overall thickness of the side of the display panel 111 .

Please refer back to FIG. 2 or FIG. 4 , wherein the electronic device 100 further includes a front frame 15 for carrying the display screen 11 .

There is a gap between the metal frame 12 and the side S1 of the display screen 11 . The distance between the front frame 15 and the metal frame 12 is smaller than the distance between the metal frame and the side S1 of the display screen 11 .

As shown in FIG. 2 or FIG. 4 , the front frame 15 can be disposed against the metal frame 12 . The display screen 11 is disposed on the front frame 15 , and the side S1 of the display screen 11 and the side of the front frame 15 that abut the metal frame 12 have a predetermined distance, so that the display screen 11 There is a preset distance between the side S1 and the metal frame 12 .

The front frame 15 may be made of non-conductive materials such as plastics and plastics.

Please also refer to FIG. 5 , which is a schematic top view of the metal frame 12 in one embodiment. In some embodiments, the metal frame 12 is a closed frame disposed around the four sides S1 of the display screen 11 .

The metal frame 12 is provided with at least one slot strip 121 , and the at least one slot strip 121 divides the metal frame 12 into at least one independent frame portion 122 .

As shown in FIG. 3 , the electronic device 100 further includes at least one radio frequency circuit 2 . The at least one independent frame portion 122 serves as at least one independent antenna radiator, and can be connected to the same or different radio frequency circuits 2 to realize the antenna transceiver function of the same frequency band or different frequency bands.

As shown in FIG. 5 , the number of the at least one slot strip 121 is two, and the metal frame 12 is divided into two independent frame parts 122 serving as antenna radiators, and the number of the radio frequency circuits 2 is two The two radio frequency circuits 2 are used to generate antenna signals of different frequency bands, and the two radio frequency circuits 2 are electrically connected to the two frame parts 122 respectively. Therefore, each frame portion 122 serves as an antenna radiator of a different radio frequency circuit 2 to realize the transmission and reception of antenna signals of different frequency bands.

In some embodiments, the slot strip 121 is a micro-slot strip. As shown in FIG. 3 , the slot strip 121 includes at least two micro-slits F1 arranged at intervals, and there are two adjacent micro-slots F1 between them. Metal bar J1. The length direction of the metal strip J1 (ie the extending direction of the metal strip J1 ) is parallel to the width direction of the metal frame 12 (ie the direction from the top D1 to the bottom D2 of the metal frame 12 ).

Wherein, the width of the slit band 121 is 1.5mm, 5.0mm or 1.5mm˜5.0mm. The width of the micro slit F1 is 0.05mm, 0.3mm or 0.05mm˜0.3mm. The micro-slot F1 is filled with non-signal shielding materials, such as insulating materials such as plastic. The width of the metal strip J1 is 0.1 mm, 0.5 mm or a value in the range of 0.1 mm to 0.5 mm.

Wherein, the two radio frequency circuits 2 may be a GSM (global system for mobile communications, global mobile communications) antenna radio frequency circuit, a CDMA (Code Division Multiple Access; Code Division Multiple Access) antenna radio frequency circuit, a Bluetooth antenna radio frequency circuit, and a WIFI antenna radio frequency circuit Any two of the circuit and the NFC antenna radio frequency circuit.

Wherein, when each frame portion 122 of the metal frame 12 is used as an antenna radiator and is connected to the corresponding radio frequency circuit 2, the four sides S1 of the display screen 11 all need to be spaced at a predetermined interval from the corresponding metal frame 12 distance.

Please refer to FIG. 6 , which is a schematic top view of the metal frame 12 in another embodiment. In another embodiment, the at least one slot strip 121 is four, and the metal frame 12 is divided into four independent frame parts 122 . The frame portion 122a and the frame portion 122c are located on two opposite first sides, and the frame portions 122b and 122d are located on two opposite second sides. Wherein, the electronic device 100 in the present application is a square, including four mutually perpendicular sides, and the metal frame 12, as the frame of the electronic device 100, also has corresponding four sides. As shown in FIG. 6 , the four slit strips 121 can be opened at positions close to the four top corners of the metal frame 12 .

In this embodiment, only the two frame parts 122a and 122c located on two opposite first sides are used as antenna radiators, the number of the radio frequency circuits 2 is two, and the two The two radio frequency circuits 2 are used to generate antenna signals of different frequency bands, and the two radio frequency circuits 2 are respectively electrically connected to the two frame body parts 122 located on the two opposite first sides. Therefore, the two frame parts 122 located on the two opposite first sides are used as antenna radiators of different radio frequency circuits 2 to realize the transmission and reception of antenna signals in different frequency bands.

Please also refer to FIG. 7 , which is a schematic diagram illustrating the positional relationship between the metal frame 12 , the display screen 11 , and the front frame 15 .

Wherein, when only two of the frame parts 122 located on the two opposite first sides of the metal frame 12 are used as antenna radiators of different radio frequency circuits 2 as antenna radiators, the display screen 11 and the two The opposite sides S1 of the frame portions 122 serving as antenna radiators have a first preset distance from the two frame portions 122 serving as antenna radiators, and the display screen 11 is separated from the frame portions not serving as antenna radiators. The opposite side S1 of the 122 has a second predetermined distance from the frame portion 122 which is not used as an antenna radiator. Wherein, the second preset distance may be significantly smaller than the first preset distance. For example, the first preset distance is 5 mm, and the second preset distance is 2 mm. Therefore, the effect of a narrow frame can be achieved without affecting the frame portion of the metal frame 12 serving as an antenna radiator. In some embodiments, the side S1 of the display screen 11 opposite to the frame part 122 not used as an antenna radiator can also be placed close to the frame part 122 not used as an antenna radiator, so as to realize an ultra-narrow frame Effect.

Wherein, the two opposite first sides are two opposite short sides, and the two opposite second sides are two opposite long sides.

Wherein, the two radio frequency circuits 2 may be a GSM (global system for mobile communications, global mobile communications) antenna radio frequency circuit, a CDMA (Code Division Multiple Access; Code Division Multiple Access) antenna radio frequency circuit, a Bluetooth antenna radio frequency circuit, and a WIFI antenna radio frequency circuit Any two of the circuit and the NFC antenna radio frequency circuit.

Wherein, the radio frequency circuit 2 of the present application may include a radio frequency transceiver circuit and a corresponding matching circuit.

Similarly, the slot strip 121 is a micro-slot strip, and the micro-slot strip 121 includes at least two micro-slots F1 arranged at intervals, and a metal strip J1 is arranged between two adjacent micro-slots F1. The length direction of the metal strip J1 (ie, the extending direction of the metal strip J1) is parallel to the width direction of the metal frame 12 (ie, the direction from the top D1 to the bottom D2 of the metal frame 12).

Similarly, the width of the slit band 121 is 1.5mm, 5.0mm or 1.5mm˜5.0mm. The width of the micro slit F1 is 0.05mm, 0.3mm or 0.05mm˜0.3mm. The micro-slot F1 is filled with non-signal shielding materials, such as insulating materials such as plastic. The width of the metal strip J1 is 0.1 mm, 0.5 mm or a value in the range of 0.1 mm to 0.5 mm.

The electronic device 100 may be a mobile phone or a tablet computer.

In the electronic device 100 provided by the present invention, by using the metal frame 12 as an antenna radiator, the antenna performance is improved, and at the same time, by reducing the facing area of the display screen 11 and the metal frame 12, the antenna performance of the display screen 11 to the metal frame 12 is reduced. The resulting influence realizes the good application of the metal frame 12 as an antenna radiator.

The above are the implementations of the embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the embodiments of the present invention, several improvements and modifications can also be made. These improvements and modifications are also It is regarded as the protection scope of the present invention.

Claims (13)

1. An electronic device capable of improving antenna performance, characterized in that the electronic device comprises a display screen, a metal frame arranged around the side of the display screen, and a metal frame arranged on the side of the display screen and the top of the frame. A joint between the two, wherein the height of the joint exceeds a preset height, so that the side of the display screen with at least the region of the preset height is not directly opposite to the metal frame; Wherein, the top of the coupling piece is flush with the upper surface of the display screen, and the bottom of the coupling piece is in contact with the top of the metal frame; Wherein, the preset height is set according to the fact that the facing area of the display screen and the metal frame satisfies that the influence of the display screen on the antenna performance of the metal frame serving as the antenna radiator is less than a preset value, and the preset value is the maximum antenna radiation The percentage value of power and less than the maximum power radiated by the antenna. 2 . The electronic device according to claim 1 , wherein the electronic device further comprises a screen cover, and the screen cover covers the upper part of the display screen and is used for protecting the display screen. 3 . The size of the screen cover is larger than the size of the display screen and extends beyond the display screen, the top part of the joint is located under the screen cover, and the joint is embedded and fixed to the screen cover between the plate and the metal frame. 3 . The electronic device according to claim 2 , wherein the top of the coupling member comprises a fitting portion and a protruding portion, the fitting portion is used for fitting with the screen cover, and the protruding portion is 3 . Extending from the outer side of the abutting part and wrapping the side edge of the screen cover plate from the outer side of the screen cover plate, the height of the abutting part and the bottom of the combination part exceeds the preset height. 4. The electronic device according to any one of claims 2-3, wherein the display screen comprises a display panel and a touch panel covering the display panel, and the binding member wraps the touch panel. and at least partially wrap the sides of the display panel. 5 . The electronic device according to claim 2 , wherein the electronic device further comprises a front frame, the front frame is used to carry the display screen, and the metal frame is connected to the display screen. 6 . There is a gap between the sides of the screen, and the distance between the front frame and the metal frame is smaller than the distance between the metal frame and the side of the display screen. 6. The electronic device according to any one of claims 2-3, wherein the metal frame is a closed frame arranged around four sides of the display screen, and the metal frame is provided with at least one slit band, The at least one slot strip divides the metal frame into at least one independent frame part, and the at least one independent frame part serves as at least one independent antenna radiator. 7 . The electronic device according to claim 6 , wherein when each frame portion of the metal frame is used as an antenna radiator, the four sides of the display screen and the corresponding metal frame are separated by a first interval. 8 . preset distance. 8 . The electronic device according to claim 6 , wherein the number of the at least one slit is four, and the metal frame is divided into four independent frame parts, wherein the number of the at least one slot is divided into four independent frame parts. The two frame parts on one side are used as antenna radiators, and the frame parts located on the two opposite second sides are not used as antenna radiators. 9 . The electronic device according to claim 8 , wherein the opposite sides of the display screen and the two frame parts serving as antenna radiators are opposite to the two frame parts serving as antenna radiators. 10 . There is a first preset distance, and the opposite side of the display screen and the frame body part not used as an antenna radiator has a second preset distance from the frame body part not used as an antenna radiator, wherein the second The preset distance is smaller than the first preset distance. 10 . The electronic device according to claim 9 , wherein the two opposite first sides are two opposite short sides, and the two opposite second sides are two opposite long sides. 11 . 11 . The electronic device according to claim 6 , wherein the slot strip is a micro-slot strip, and the slot strip comprises at least two micro-slits arranged at intervals, with a space between two adjacent micro-slots. 12 . A metal strip, wherein the length direction of the metal strip is parallel to the width direction of the metal frame. 12 . The electronic device according to claim 11 , wherein the width of the slit strip is 1.5 mm, 5.0 mm, or a value in the range of 1.5 mm˜5.0 mm, and the width of the micro slit is 0.05 mm, 0.3 mm 12 . mm or a value in the range of 0.05mm to 0.3mm, the width of the metal strip being a value in the range of 0.1mm, 0.5mm or 0.1mm to 0.5mm. 13 . The electronic device of claim 11 , wherein each micro-slit is filled with a non-signal shielding material. 14 .

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