CN210866465U

CN210866465U - Display device, terminal assembly and electronic terminal

Info

Publication number: CN210866465U
Application number: CN201920720876.1U
Authority: CN
Inventors: 黄丽珊; 王文国; 秦华清
Original assignee: Cloudminds Shenzhen Robotics Systems Co Ltd
Current assignee: Cloudminds Shenzhen Robotics Systems Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-06-26
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a display device, terminal subassembly and electronic terminal relates to the communication field. The back surface of the display panel of the display device is provided with at least one antenna, and the back surface of the display panel is not provided with any electronic element, so that enough space is reserved for the layout of the position and the number of the at least one antenna on the back surface of the display panel, the efficiency of the electronic terminal for receiving and transmitting signals is ensured, and the back surface of the display panel is not provided with any electronic element, so that the electronic element does not interfere with the receiving and transmitting of antenna signals.

Description

Display device, terminal assembly and electronic terminal

Technical Field

The present disclosure relates to the field of communications, and in particular, to a display device, a terminal assembly, and an electronic terminal.

Background

The current design trend for electronic terminals is to improve humanization and improve the experience of users. In order to meet the better operation requirements of users on the electronic terminal, the screen of the electronic terminal is designed to be larger and larger, for example, the upper and lower bangs on the front side of the electronic terminal are designed to be shorter and even have no bangs.

And in prior art, set up the antenna on electronic terminal's mainboard usually, when electronic terminal's screen accounts for the design when bigger and bigger, the installation space that can provide for the antenna on the mainboard is just more and more littleer, combines to be provided with the current situation of a plurality of electronic component (electronic component can cause the interference to the signal receiving and dispatching of antenna) on the mainboard, can lead to electronic terminal's antenna's space environment more and more abominable to antenna overall arrangement that can not be good influences the efficiency that electronic terminal received and dispatched the signal.

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide a display device, a terminal assembly and an electronic terminal, which can achieve the performance of good signal transceiving and convenient operation for a user of the electronic terminal under the condition that the screen occupation ratio of the electronic terminal is large.

According to a first aspect of embodiments of the present disclosure, there is provided a display device including a display panel provided with at least one antenna on a back surface thereof.

According to a second aspect of the embodiments of the present disclosure, there is provided a terminal assembly, including a main board and the above-mentioned display device, where the main board covers the at least one antenna, the main board includes communication interfaces equal in number to the antennas, and each of the antennas is in communication connection with one of the communication interfaces.

According to a third aspect of the embodiments of the present disclosure, there is provided an electronic terminal including the terminal assembly according to the second aspect of the embodiments of the present disclosure.

By the technical scheme, the display device, the terminal assembly and the electronic terminal are provided, at least one antenna is arranged on the back surface of the display panel of the display device, and due to the fact that no electronic element is arranged on the back surface of the display panel, enough space is reserved on the back surface of the display panel for the arrangement of the position and the number of the at least one antenna, the efficiency of the electronic terminal for receiving and transmitting signals is guaranteed, and due to the fact that no electronic element is arranged on the back surface of the display panel, no electronic element interferes with the receiving and transmitting of antenna signals.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a display device (including a metal dome) according to an embodiment of the disclosure;

fig. 3 is a schematic structural diagram of a display device (including a radio frequency coaxial cable) according to an embodiment of the present disclosure;

fig. 4 is a waveform diagram illustrating simulation efficiency of transceiving communication signals of a display device according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a terminal assembly provided in an embodiment of the present disclosure.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

Fig. 1 illustrates a display device provided by an embodiment of the present disclosure, wherein the display device may be, but is not limited to, a liquid crystal display, an OLED display, and the like. The display device may be mounted in an electronic terminal, wherein the electronic terminal may be, but is not limited to, a smart phone, a tablet computer, an e-book reader, a laptop portable computer, a wearable mobile terminal, and the like.

The display device includes a display panel 102, a front surface of the display panel 102 includes a touch glass, and a user can see display contents of the display panel 102 through the front surface of the display panel 102 and operate a display interface of the display device through the touch glass to input or trigger various instructions and information.

At least one antenna 101 is disposed on the back surface of the display panel 102 (the number of the antennas 101 may be one or more according to actual requirements, which is not limited herein, and includes 4 in fig. 1).

Since no electronic components are mounted on the back of the display panel 102, the positions and the number of the antennas 101 can be arranged according to the current area and specification of the display panel 102 and the actual requirements for the signal transceiving efficiency of the electronic terminal.

For example, assuming that the display panel 102 is a rectangular display panel 102, one antenna 101 may be disposed at each of four different orientations on the back surface of the rectangular display panel 102, and the antennas 101 located at the four different orientations may be a WLAN antenna 101, a GPS antenna 101, a high frequency antenna 101, and a medium and low frequency antenna 101, respectively. In addition, since the rectangular display panel 102 has a sufficient space, the number of antennas 101 can be increased for the same type of antenna 101 on the premise that an electronic terminal has a higher demand for transmission and reception of signals. For example, the number of WLAN antennas 101 located in four different directions may be 2 to 3, the number of GPS antennas 101 may be 2 to 3, the number of high frequency antennas 101 may be 2 to 3, and the number of medium and low frequency antennas 101 may be 2 to 3, so as to improve the transceiving efficiency for different types of communication signals.

According to the display device provided by the embodiment of the disclosure, the at least one antenna is arranged on the back surface of the display panel of the display device, and no electronic element is arranged on the back surface of the display panel, so that enough space is reserved for the layout of the position and the number of the at least one antenna on the back surface of the display panel, and the efficiency of the electronic terminal for receiving and transmitting signals is ensured, and no electronic element interferes with the receiving and transmitting of antenna signals.

Optionally, when the plurality of antennas 101 are disposed on the back surface of the display panel 102, a preset distance should be kept between the plurality of antennas 101, so as to prevent communication signals sent by the plurality of antennas 101 from interfering with each other.

Alternatively, considering that when a user uses the display device, when a path of the antenna 101 located in one of the orientations for transceiving signals is blocked by a body, the transceiving performance of the antenna 101 for the communication signals may be deteriorated, and therefore, when each type of antenna 101 includes a plurality of antennas, the plurality of antennas 101 of the same type may be disposed in different orientations, and when a path of the antenna 101 located in one of the orientations for transceiving communication signals is blocked by a body, the same type of antenna 101 located in another orientation for transceiving signals may still be good, and therefore, the reliability of transceiving communication signals by each type of antenna 101 may be ensured, and the user experience may be improved.

Alternatively, each antenna 101 includes a metal antenna sheet 103 and a signal transmission module for communicating with a main board, the metal antenna sheet 103 is electrically connected to the signal transmission module, and the metal antenna sheet 103 is connected to the back surface of the display panel 102.

The metal antenna sheet 103 can be used for radiating communication signals, and for the antennas 101 of different types, the metal antenna sheets 103 of different shapes, lengths and areas can be manufactured through etching and other processes, and gaps with different intervals are designed between the metal antenna sheet 103 and the metal antenna sheet 103, so that different types of communication signals of different frequency bands can be received and transmitted. The signal transmission module is used for transmitting the communication signal received by the antenna 101 to the mainboard or transmitting the communication signal generated by the mainboard to the antenna 101 for transmission.

Optionally, as an embodiment, as shown in fig. 2, the signal transmission module is a metal elastic sheet 104, and since the metal elastic sheet 104 has a certain toughness, when the display device and the motherboard are assembled to form a terminal assembly (the display device is located above the motherboard), the metal elastic sheet 104 can support the display device, so that a space is reserved between the display device and the motherboard, so as to install an inner frame for assembling the electronic device based on the terminal assembly, where the inner frame is used to fix the motherboard and protect electronic elements of the motherboard.

Optionally, as another embodiment, as shown in fig. 3, the signal transmission module is a radio frequency coaxial cable 105. The radio frequency coaxial cable is a cable which is provided with two concentric conductors, and the conductor and the shielding layer share the same axis; it can be used for carrying out communication signal's transmission, because radio frequency coaxial cable 105 also possesses certain toughness equally, when assembling back formation terminal assembly (display device is located the top of mainboard) with display device and mainboard, radio frequency coaxial cable 105 can play the supporting role to display device to reserve the space between display device and mainboard, so that the installation is based on terminal assembly, inside casing when equipment electronic equipment, the inside casing is used for fixed mainboard and the electronic component of protection mainboard.

In addition, it should be noted that, because the metal elastic sheet 104 or the rf coaxial cable 105 can support the display device, when the electronic terminal is assembled by using the display device as a base, a metal plate for supporting the display device to reserve a space between the display device and the main board is not required to be additionally added, thereby saving materials and process flows, and greatly saving cost and improving production efficiency under the condition of high yield of the electronic terminal.

Optionally, the connection manner of each antenna 101 and the back of the display panel 102 includes multiple manners, for example, the antenna 101 and the back of the display panel 102 are in snap connection (for example, a protrusion is provided on the antenna 101, a recess is provided on the back of the display panel 102, and the protrusion is embedded into the recess and fixed); for another example, the antenna 101 and the back surface of the display panel 102 are bonded by an adhesive layer (the connection process is simple and convenient), and is not limited herein.

Through the experiment of the inventor, as shown in fig. 4, the antenna 101 is arranged on the back surface of the display panel 102, and the efficiency of the antenna 101 is-8 dB to-3.5 dB in the effective LTE high-frequency band (1700MHz-2.7GHz), so that the antenna 101 has good performance for receiving and transmitting signals.

Referring to fig. 5, the terminal assembly 108 according to the embodiment of the present disclosure is further provided, and it should be noted that the basic principle and the generated technical effects of the terminal assembly 108 according to the embodiment are the same as those of the above embodiment, and for the sake of brief description, corresponding contents in the above embodiment may be referred to where the embodiment is not mentioned in part.

The terminal assembly 108 includes a main board 109 and the display device according to the above-mentioned disclosed embodiment, the main board 109 covers at least one antenna 101 (fig. 5 includes 4 antennas), the main board 109 includes communication interfaces 107 equal in number to the antennas 101, and each antenna 101 is in communication connection with one communication interface 107. The communication interface 107 can be directly connected with the antenna 101 through a data line in a communication manner, and at this time, the main board 109 is in contact with the antenna 101; the communication interface 107 may also be directly connected to the antenna 101 through the signal transmission module 106 (e.g., the metal dome 104 or the rf coaxial cable 105) in the above embodiments, and at this time, a space exists between the main board 109 and the antenna 101.

Optionally, the communication interface 107 of the motherboard 109 includes at least one of a GPS signal interface, a medium-high frequency signal interface, a low frequency signal interface, and a WLAN signal interface. It is understood that the number and type of the communication interfaces 107 correspond to the number and type of the antennas 101 one to one. For example, when the two antennas 101 disposed on the back surface of the display panel 102 are used for transceiving a GPS signal and a WLAN signal, respectively, then the main board 109 includes at least a GPS signal interface and a WLAN signal interface. Generally, according to the current terminal development status, the main board 109 is provided with a GPS signal interface, a medium-high frequency signal interface, a low frequency signal interface, and a WLAN signal; correspondingly, four antennas 101 for transmitting and receiving GPS signals, WLAN signals, high frequency signals, and medium and low frequency signals are disposed on the back surface of the display panel 102.

According to the display device of the terminal assembly provided by the embodiment of the disclosure, the at least one antenna is arranged on the back surface of the display panel of the display device, and no electronic element is arranged on the back surface of the display panel, so that enough space is reserved on the back surface of the display panel for the layout of the position and the number of the at least one antenna, and the efficiency of the electronic terminal for receiving and transmitting signals is ensured.

In addition, the embodiment of the present disclosure further provides an electronic terminal, which includes the terminal assembly 108 of the above embodiment. The motherboard 109 of the electronic terminal may be provided with one or more of a processor, memory, multimedia components, input/output (I/O) interfaces, and communication components. The communication component includes at least one of the GPS signal interface, the medium-high frequency signal interface, the low-frequency signal interface, and the WLAN signal interface described in the above-mentioned disclosed embodiment, and the antenna 101 correspondingly disposed on the back surface of the display device of the terminal component 108 is in one-to-one communication connection with at least one of the GPS signal interface, the medium-high frequency signal interface, the low-frequency signal interface, and the WLAN signal interface.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure. It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The display device is characterized in that the display device comprises a display panel, a plurality of antennas are arranged on the back face of the display panel, the plurality of antennas comprise at least one of a WLAN antenna, a GPS antenna, a high-frequency antenna and a medium-low frequency antenna and are arranged in different directions, the plurality of antennas comprise the same type of antenna and different types of antennas, the same type of antenna in the different types of antennas also comprises one or more antennas, and when the same type of antenna in the different types of antennas is multiple, the same type of antenna is also arranged in different directions.

2. The display device according to claim 1, wherein each of the antennas includes a metal antenna sheet and a signal transmission module for communicating with a main board, the metal antenna sheet is electrically connected to the signal transmission module, and the metal antenna sheet is connected to a rear surface of the display panel.

3. The display device according to claim 2, wherein the signal transmission module is a metal dome.

4. The display device according to claim 2, wherein the signal transmission module is a radio frequency coaxial cable.

5. The display device according to claim 1, wherein the at least one antenna is snap-fit to a back surface of the display panel.

6. The display device of claim 1, wherein the at least one antenna is bonded to the back surface of the display panel by an adhesive layer.

7. The display device according to claim 1, wherein a plurality of antennas are disposed on a rear surface of the display panel, and a predetermined distance is maintained between the plurality of antennas.

8. A termination assembly, comprising a main board and a display device as claimed in any one of claims 1 to 7, said main board covering said at least one antenna, said main board comprising a number of communication interfaces equal to the number of said antennas, each of said antennas being in communication connection with one of said communication interfaces.

9. The termination assembly of claim 8, wherein said motherboard includes at least one of a GPS signal interface, a medium high frequency signal interface, a low frequency signal interface, and a WLAN signal interface.

10. An electronic terminal, characterized in that it comprises a terminal assembly according to claim 8.