Transparent film antenna

Abstract

The utility model relates to the technical field of wireless antennas, in particular to a transparent film antenna, which comprises a substrate base material, a supporting layer adhered below the substrate base material, a groove arranged on the upper end face of the substrate base material, a conductive metal layer filled in the groove, a conductive medium layer adhered on the upper end of the substrate base material, a plurality of radiation holes arranged in the middle of the conductive medium layer, and a transparent film layer arranged on the lower end face of the substrate base material. According to the utility model, the processing is simpler, the processing cost is lower, meanwhile, signals can be focused, and the receiving capability of the antenna is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless antenna technical field, concretely is a kind of transparent film antenna. BACKGROUND

[0002] Antenna is one of the indispensable devices in wireless communication system, with the vigorous development of wireless communication technology, the application range of antenna is more and more extensive, and the function is more and more powerful. At the same time, the research on antenna is more and more in-depth. The traditional antenna not only affects the appearance in vision, but also is not conducive to safety and concealment in practical application, and the transparent film antenna can just make up for this shortcoming. Transparent conductive film has very high transparency and conductivity, and the transparent film antenna designed by it can achieve the effect of beautiful, concealed, safe and reliable. From design to practical application, processing and manufacturing are very important in transparent film antenna. The main manufacturing processes on the market at present include nano-imprinting process, subtractive etching process and micro-contact process. However, these processes all need to use high-precision mold, usually need to repair mold or re-open mold many times, and the production process is complex, resulting in high cost and uncertain delivery time of products; The current antenna is small in size, resulting in poor signal receiving ability, which affects the use of equipment. SUMMARY

[0003] The utility model aims at providing a kind of transparent film antenna to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of transparent film antenna, including substrate base material, the lower side of the substrate base material is bonded with support layer, the upper end surface of the substrate base material is equipped with recess, the recess is filled with conductive metal layer, the upper end of the substrate base material is bonded with conductive dielectric layer, the middle of the conductive dielectric layer is equipped with a plurality of radiation holes, the opening of the radiation hole is equipped with focusing protrusion, the lower end of the focusing protrusion is equipped with coupling groove.

[0005] Preferably, the recess is the antenna pattern layer formed by laser depth control cutting process.

[0006] Preferably, the conductive metal layer adopts sputtering or evaporation process.

[0007] Preferably, the focusing protrusion is glass or crystal, and the focusing protrusion is convex lens structure.

[0008] Preferably, the radiation hole is funnel structure, and the coupling groove is located at the axis of the radiation hole.

[0009] Compared with the prior art, the utility model discloses the beneficial effects are: lower production cost, simple processing, can regularly carry out, do not need to repair mode or re -open mode, greatly reduce the complexity of production to reduce cost, the focus protruding can focus on signal, can make signal beam converge into certain size focal spot on the focal point of design to increase signal capacity. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the schematic diagram of substrate base material and protective base material connection.

[0011] Figure 2 It is the schematic diagram of conductive metal layer processing.

[0012] Figure 3 It is the schematic diagram of substrate base material and conductive metal layer connection.

[0013] Figure 4 It is the schematic diagram of substrate base material and conductive metal layer connection.

[0014] In the drawing: 1 substrate base material, 2 protective base material, 3 recess, 4 conductive metal layer, 5 support layer, 6 conductive dielectric layer, 7 radiation hole, 8 focus protruding, 9 coupling groove. DETAILED DESCRIPTION

[0015] In order to deepen the understanding and the realization of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described and introduced in the embodiment of the utility model in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment, and does not limit the embodiment in any form. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the protection of the utility model.

[0016] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a transparent film antenna, including substrate base material 1, substrate base material 1 is bonded with support layer 5 below, the upper end surface of substrate base material 1 is equipped with recess 3, recess 3 is filled with conductive metal layer 4, the upper end of substrate base material 1 is bonded with conductive dielectric layer 6, the middle of conductive dielectric layer 6 is equipped with multiple radiation holes 7, the opening of radiation hole 7 is equipped with focus protruding 8, the lower end of focus protruding 8 is equipped with coupling groove 9.

[0017] The groove 3 is an antenna pattern layer formed by laser depth control cutting, the conductive metal layer 4 is formed by sputtering or evaporation process, the focusing convex 8 is glass or crystal, the focusing convex 8 is a convex lens structure, the radiation hole 7 is a funnel structure, the coupling groove 9 is located at the axis of the radiation hole 7, when the signal reaches the antenna, the signal beam is focused by the focusing convex, so that the signal beam converges into a certain size focal spot at the designed focal point, at this time the focal spot is located on the conductive metal layer, which greatly increases the signal capacity, the coupling groove can couple the focused signal, reduce the influence of external interference and noise on the system, and improve the stability and reliability of the system.

[0018] 1) provide a transparent substrate base material 1, the transparent substrate base material 1 includes but is not limited to PET, COP, CPI and other transparent substrates, the substrate thickness includes but is not limited to 25um, 50um, 100um and other conventional material thicknesses;

[0019] 2) adhere a protective substrate 2 with certain adhesion to the transparent substrate base material 1 on the transparent substrate base material 1 to form a laminated substrate, wherein the thickness of the protective substrate 2 can be less than or equal to 10um, as shown in Figure 1 ;

[0020] 3) laser depth control cutting is performed on the laminated substrate to process the laminated substrate into an antenna pattern layer with a plurality of grooves 3, wherein the groove 3 is a trace of the antenna pattern layer, the depth D1 of the cutting is the sum of the thicknesses of the protective substrate 2 and the conductive metal layer, for example, the thickness of the protective substrate 2 is D2, and 0

[0021] 4) sputtering or evaporation is performed on the laminated substrate after laser depth control cutting to form a conductive metal layer 4 with a thickness of D4, and 0 Figure 2 ;

[0022] 5) the protective substrate 2 is peeled off, and the transparent substrate base material 1 and the conductive metal layer 4 form a transparent thin film antenna, as shown in Figure 3 ;

[0023] 5.1 if D4=D3, the manufacturing is completed;

[0024] 5.2 if D4

[0025] 6) a support layer is arranged at the lower end of the transparent substrate base material 1, and a conductive dielectric layer 6 is arranged at the upper end of the transparent substrate base material 1, a plurality of radiation holes 7 are arranged in the middle of the conductive dielectric layer 6, and a focusing convex 8 is embedded at the upper end of the radiation hole 7, as shown in Figure 4 ;

[0026] Although the embodiments of the utility model have been shown and described, it needs to emphasize: the above description is only the introduction and description of the use mode of the embodiments of the utility model, and is not any form of restriction on the utility model. For ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A transparent film antenna comprising a substrate base material (1), characterized in that: The lower part of the substrate base material (1) is bonded with a support layer (5), the upper end surface of the substrate base material (1) is provided with a groove (3), the groove (3) is filled with a conductive metal layer (4), the upper end of the substrate base material (1) is bonded with a conductive medium layer (6), the middle of the conductive medium layer (6) is provided with a plurality of radiation holes (7), the opening of the radiation hole (7) is provided with a focusing convex (8), the lower end of the focusing convex (8) is provided with a coupling groove (9).

2. The transparent film antenna of claim 1, wherein: The groove (3) is an antenna pattern layer formed by laser depth control cutting processing.

3. The transparent film antenna of claim 1, wherein: The conductive metal layer (4) adopts sputtering or evaporation process.

4. The transparent film antenna of claim 1, wherein: The focusing convex (8) is glass or crystal, and the focusing convex (8) is a convex lens structure.

5. The transparent film antenna according to claim 1, wherein: The radiation hole (7) is a funnel-shaped structure, and the coupling groove (9) is located at the axis of the radiation hole (7).

Images