Transparent antenna

Abstract

The utility model relates to a transparent antenna which comprises a dielectric plate. The dielectric plate is made of a transparent insulating material, and a radiation structure is arranged on the front surface of the dielectric plate; the radiation structure is planar and comprises a radio frequency feed network made of a transparent conductive material, a radio frequency signal coupling end and at least one antenna radiation unit; the radio frequency signal coupling end is in feed connection with the antenna radiation unit through a radio frequency feed network; and a radio frequency circuit input end which is in feed connection with the radio frequency signal coupling end is arranged on the back surface of the dielectric plate. The device has the characteristics of simple structure, scientific design, flexible design, convenience in installation and use, good communication reliability and the like, and is applied to the outside of equipment during use.

Description

Technical Field

[0001] The utility model relates to the technical field of communication equipment, in particular to a transparent antenna. Background Art

[0002] The key technology of 6G mobile communication is the direct communication between electronic communication equipment and satellites. Due to the limitation of the internal space of electronic communication equipment, the antenna of traditional electronic communication equipment is installed on the back or frame of the electronic communication equipment, and the antenna gain is only 0dBi. In addition, when the user holds it in hand, the hand will block part of the antenna, which cannot guarantee reliable communication with the satellite. Based on the shortcomings of the existing antennas for electronic communication equipment, it is urgent to design an antenna suitable for electronic communication equipment to overcome the problems of crowded internal circuits of electronic communication equipment and difficult antenna design. Utility Model Content

[0003] The utility model aims to provide a transparent antenna, which has the advantages of simple structure, scientific design, application to the outside of equipment when in use, flexible design, convenient installation and use, good communication reliability, etc.

[0004] The technical solution of the utility model is implemented as follows: a transparent antenna, in particular, includes a dielectric plate; the dielectric plate is made of a transparent insulating material, and a radiation structure is provided on the front of the dielectric plate; the radiation structure is planar, and the radiation structure includes a radio frequency feeding network composed of a transparent conductive material, a radio frequency signal coupling end and at least one antenna radiation unit; the radio frequency signal coupling end and the antenna radiation unit are connected through a radio frequency feeding network; a radio frequency circuit input end connected to the radio frequency signal coupling end is provided on the back of the dielectric plate.

[0005] When the present solution is applied, it is pasted on the screen of the electronic communication device. The RF circuit input end of the present solution is connected to the RF output port of the electronic communication device for feeding and use. Since the present solution is made of transparent material, after the present solution is pasted on the screen of the electronic communication device, it does not affect the user's viewing of the content displayed on the screen. When the present solution is applied, it is set on the outside of the electronic communication device, so it is no longer limited by the small internal space of the electronic communication device, and the volume of the electronic communication device is hardly increased. It will not be blocked by the user's hands when in use, and the communication reliability is good. When applied to multi-channel electronic communication equipment, it can realize the function of radiation beam scanning, improve communication reliability and data transmission rate.

[0006] Furthermore, the radiation structure is formed on the front of the dielectric plate by printing a transparent conductive adhesive. In addition to being formed by printing, the radiation structure can also be made into a sheet and then glued to the dielectric plate. The antenna radiation unit can be in the form of a patch, a slot, a dipole, etc.

[0007] Furthermore, a protective film layer is provided on the front surface of the dielectric plate; the protective film layer is also made of a transparent insulating material, and the radiation structure is sandwiched between the protective film layer and the dielectric plate.

[0008] Furthermore, the dielectric plate and the protective film layer are both made of tempered glass or high molecular polymer, and the light transmittance of the dielectric plate and the protective film layer is above 90%.

[0009] Furthermore, a barrier layer is provided on the back of the dielectric plate; the barrier layer is made of a transparent conductive material and is arranged behind the antenna radiation unit. The light transmittance of the radiation structure, barrier layer, dielectric plate and protective film layer is preferably above 95%.

[0010] Furthermore, the barrier layer is formed on the back of the dielectric plate by printing a transparent conductive adhesive. The barrier layer and the radiation structure are preferably made of nano-conductive silver paste.

[0011] Furthermore, the antenna radiation unit is a linear polarization antenna, a circular polarization antenna, or a dual polarization antenna.

[0012] Furthermore, the radiation structure has at least two antenna radiation units; the RF feeding network includes a main line and at least two branch lines; one end of the main line is connected to the RF signal coupling end for feeding; at least two branch lines correspond one-to-one to at least two antenna radiation units; one end of each branch line is connected to the antenna radiation unit for feeding, and the other end of the branch line is connected to the main line for feeding.

[0013] Furthermore, the radiation structure includes at least two types of antenna radiation units with different operating frequency bands.

[0014] Furthermore, the RF signal coupling terminal and the RF circuit input terminal are connected by feeding in a coupling manner or by feeding through a conductive hole provided on the dielectric plate.

[0015] Furthermore, the present solution can be designed into a flexible structure to be suitable for use on flat or curved screens of electronic communication devices.

[0016] The utility model has the advantages of simple structure, scientific design, application outside the equipment when in use, flexible design, convenient installation and use, good communication reliability, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the embodiment.

[0018] Figure 2 Schematic diagram of the top view of the structure of the embodiment.

[0019] Figure 3 It is a bottom view structural schematic diagram of an embodiment.

[0020] Explanation of the reference numerals: 1- dielectric plate; 2- radiation structure; 21- RF feeding network; 211- main line; 212- branch line; 22- RF signal coupling end; 23- antenna radiation unit; 3- RF circuit input end; 4- protective film layer; 5- barrier layer; 51- gap. DETAILED DESCRIPTION

[0021] like Figure 1 , Figure 2 , Figure 3 As shown, a transparent antenna of the present embodiment includes a dielectric plate 1; the dielectric plate 1 is made of a transparent insulating material, and a radiation structure 2 is provided on the front side (i.e., the upper surface) of the dielectric plate 1; the radiation structure 2 is planar, and the radiation structure 2 includes a radio frequency feeding network 21, a radio frequency signal coupling terminal 22, and at least one antenna radiation unit 23, which are formed of a transparent conductive material; the radio frequency signal coupling terminal 22 and the antenna radiation unit 23 are fed and connected through the radio frequency feeding network 21, and the antenna radiation unit 23 is a linearly polarized antenna; a radio frequency circuit input terminal 3 is provided on the back side (i.e., the lower surface) of the dielectric plate 1 and is fed and connected to the radio frequency signal coupling terminal 22, and the material of the radio frequency circuit input terminal 3 is the same as that of the radiation structure 2, and the radio frequency signal coupling terminal 22 and the radio frequency circuit input terminal 3 are specifically fed and connected in a coupling manner. When such a design is used, it is pasted on the screen of the electronic communication device, and the RF circuit input terminal 3 is connected to the RF output port of the electronic communication device for feeding and use. Since the transparent antenna is made of transparent material, after the transparent antenna is pasted on the screen of the electronic communication device, it does not affect the user's viewing of the content displayed on the screen. When the transparent antenna is used, it is set on the outside of the electronic communication device, so it is no longer limited by the small internal space of the electronic communication device, and the volume of the electronic communication device is hardly increased. It will not be blocked by the user's hand when in use, and the communication reliability is good. When used on multi-channel electronic communication equipment, it can realize the function of radiation beam scanning, improve communication reliability and data transmission rate.

[0022] In order to make the transparent antenna more convenient and quick to produce, Figure 1 , Figure 2 As shown, the radiation structure 2 is formed on the front side of the dielectric plate 1 by printing a transparent conductive adhesive.

[0023] In order to avoid scratching the radiation structure 2 during use and extend the service life of the transparent antenna, Figure 1 , Figure 2 As shown, a protective film layer 4 is provided on the front surface of the dielectric plate 1 ; the protective film layer 4 is also made of a transparent insulating material, and the radiation structure 2 is sandwiched between the protective film layer 4 and the dielectric plate 1 .

[0024] In order to allow the user to clearly see the content displayed on the screen during use, the dielectric plate 1 and the protective film layer 4 are made of tempered glass or high molecular polymer, and the light transmittance of the dielectric plate 1 and the protective film layer 4 is above 90%.

[0025] In order to prevent the signal emitted by the radiation structure 2 from affecting the electronic communication equipment, such as Figure 1 , Figure 2 , Figure 3 As shown, a barrier layer 5 is further provided on the back of the dielectric plate 1; the barrier layer 5 is made of a transparent conductive material and is arranged behind the antenna radiation unit 23. In this way, when used, the barrier layer 5 will block the radio frequency signal emitted by the radiation structure 2, preventing the radio frequency signal from entering the electronic communication device through the dielectric plate 1 and affecting the operation of the electronic communication device.

[0026] In order to make the transparent antenna more convenient and quick to produce, Figure 1 , Figure 2 , Figure 3 As shown, the barrier layer 5 is formed on the back of the dielectric plate 1 by printing a transparent conductive adhesive. The barrier layer 5 of this embodiment covers the entire back of the dielectric plate 1, and a gap 51 is left on the barrier layer 5 to avoid the input terminal 3 of the radio frequency circuit. The transparent conductive adhesive in this embodiment is a nano-conductive silver paste.

[0027] In order to make the radiation range of the transparent antenna wider and increase the gain when in use, Figure 1 , Figure 2 As shown, this embodiment has a plurality of radiation structures 2 arranged along the length direction of the dielectric plate 1, and each radiation structure 2 has five antenna radiation units 23, and the five antenna radiation units 23 are arranged along the width direction of the dielectric plate 1; the RF feeding network 21 of each radiation structure 2 includes a main line 211 and five branch lines 212; one end of the main line 211 is connected to the RF signal coupling end 22 for feeding; the five branch lines 212 correspond to the five antenna radiation units 23 one by one; one end of each branch line 212 is connected to the antenna radiation unit 23 for feeding, and the other end of the branch line 212 is connected to the main line 211 for feeding.

[0028] In order to make the transparent antenna applicable to multi-band electronic communication devices, the radiation structure 2 includes at least two antenna radiation units 23 with different working frequency bands.

Claims

1. A transparent antenna, characterized in that: It comprises a dielectric plate; the dielectric plate is made of a transparent insulating material, and a radiation structure is arranged on the front of the dielectric plate; the radiation structure is planar, and comprises a radio frequency feeding network made of a transparent conductive material, a radio frequency signal coupling end and at least one antenna radiation unit; the radio frequency signal coupling end and the antenna radiation unit are connected through a radio frequency feeding network; and a radio frequency circuit input end connected to the radio frequency signal coupling end is arranged on the back of the dielectric plate.

2. A transparent antenna according to claim 1, characterized in that: The radiation structure is formed on the front side of the dielectric plate by printing a transparent conductive adhesive.

3. A transparent antenna according to claim 1, characterized in that: A protective film layer is arranged on the front side of the dielectric plate; the protective film layer is also made of a transparent insulating material, and the radiation structure is sandwiched between the protective film layer and the dielectric plate.

4. A transparent antenna according to claim 3, characterized in that: The dielectric plate and the protective film layer are both made of tempered glass or high molecular polymer, and the light transmittance of the dielectric plate and the protective film layer is above 90%.

5. The transparent antenna according to claim 1, characterized in that: A barrier layer is also provided on the back of the dielectric plate; the barrier layer is made of a transparent conductive material, and the barrier layer is arranged behind the antenna radiation unit.

6. A transparent antenna according to claim 5, characterized in that: The barrier layer is formed on the back side of the dielectric plate by printing a transparent conductive adhesive.

7. The transparent antenna according to claim 1, characterized in that: The antenna radiating element is a linear polarization antenna, a circular polarization antenna, or a dual polarization antenna.

8. The transparent antenna according to claim 1, characterized in that: The radiating structure has at least two antenna radiating units; the RF feeding network includes a main line and at least two branch lines; one end of the main line is connected to the RF signal coupling end for feeding; At least two branch lines correspond to at least two antenna radiation units one by one; one end of each branch line is connected to the antenna radiation unit feeder, and the other end of each branch line is connected to the main line feeder.

9. A transparent antenna according to claim 8, characterized in that: The radiation structure includes at least two antenna radiation units with different working frequency bands.

10. The transparent antenna according to claim 1, characterized in that: The radio frequency signal coupling end and the radio frequency circuit input end are connected by feeding in a coupling manner or by feeding through a conductive hole provided on a dielectric plate.

Images