CN214041884U - AR lens, AR head display equipment and wearable system - Google Patents

Abstract

The utility model relates to an AR lens, an AR head display device and a wearable system, wherein the AR lens comprises a substrate layer, an optical adhesive layer and a resin layer; the optical adhesive layer is attached to one surface of the substrate layer; the resin layer is arranged on one side of the optical adhesive layer, which deviates from the substrate layer, and a laminating film is arranged between the resin layer and the optical adhesive layer. The utility model discloses well laminating membrane can improve the surperficial cleanliness factor that exists of resin layer low, the poor scheduling shortcoming of adhesion, improves the cleanliness factor on resin layer surface, and the adhesive force on reinforcing resin layer surface, and can both realize the laminating well between laminating membrane and resin layer and the optical cement layer, make the resin layer can easily accomplish the laminating with the optical cement layer through laminating membrane, and the firm difficult gassing of laminating.

Description

AR lens, AR head display equipment and wearable system

Technical Field

The utility model relates to a wearable equipment technical field especially relates to a first apparent equipment of AR lens, AR and wearable system.

Background

With the development of AR (Augmented Reality) technology, more and more shaped and colored AR glasses appear in people's lives. Most of the traditional AR glasses adopt glass to manufacture AR lenses, and the glass has the defects of difficult bending and forming, heavy weight, frangibility and the like. To compensate for these deficiencies, AR lenses may be made using resin instead of glass.

The resin has the advantages of easy bending and forming, light weight, difficult breakage and the like, can well replace glass to manufacture the AR lens, but has the defects of low surface cleanliness, poor adhesion and the like, so that the resin is difficult to be attached to other parts in the AR lens, and bubbles can be generated after the attachment to influence the quality of the AR lens.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is desirable to provide an AR lens, an AR head display device, and a wearable system, which are capable of solving the problems that the resin is not easily attached to other members of the AR lens, and bubbles are generated after attachment, thereby affecting the quality of the AR lens.

In a first aspect, an embodiment of the present invention provides an AR lens, including a substrate layer; the optical adhesive layer is attached to one surface of the substrate layer; the resin layer is arranged on one side, deviating from the base material layer, of the optical adhesive layer, and a laminating film is arranged between the resin layer and the optical adhesive layer.

Based on the utility model discloses AR lens, through set up the laminating membrane between resin layer and optical cement layer, the laminating membrane can improve the surperficial shortcoming such as the surface cleanliness factor that exists of resin layer is low, the adhesion is poor, improves the cleanliness factor on resin layer surface, and the adhesion on reinforcing resin layer surface, and can both realize the laminating well between laminating membrane and resin layer and the optical cement layer, makes the resin layer can easily accomplish the laminating with optical cement layer through the laminating membrane, and the firm difficult gassing of laminating.

In one embodiment, the adhesive film is a first hardening film or a first antireflection film.

Based on the above embodiment, adopt first hardening membrane or first antireflection coating as the laminating membrane, except that can improve the cleanliness factor on resin layer surface, strengthen the adhesive force on resin layer surface, make the resin layer can easily accomplish the laminating with the optical cement layer, the hardness that the resin layer can be strengthened to first hardening membrane is poor in order to solve resin layer scratch resistance, the scheduling problem appears scotch easily, and first antireflection coating can play and reduce or eliminate the reverberation on resin layer and optical cement layer surface, the effect of the light transmittance in the increase AR lens, promote the optical property of AR lens, the user can adjust the material of laminating layer according to the user demand of difference in a flexible way.

In one embodiment, a second antireflection film is attached to the surface of the resin layer facing away from the optical adhesive layer.

Based on the above embodiment, by attaching the second antireflection film on the surface of the resin layer away from the optical adhesive layer, the reflected light on the surface of the resin layer can be further reduced or eliminated, the light transmittance in the AR lens is increased, and the optical performance of the AR lens is improved.

In one embodiment, an antifouling film is attached to the surface of the second antireflection film facing away from the resin layer.

Based on the above embodiment, the anti-fouling film is attached to the surface of the second anti-reflection film, which is away from the resin layer, so that the resin layer, the second anti-reflection film and the like can be isolated from the outside to protect the resin layer and the second anti-reflection film, the anti-fouling film has the effects of preventing dirt and fingerprints and reducing water drop angles, the water drop angles are the scales for displaying the hydrophilic performance of the solid surface, and the anti-fouling film can reduce the water drop angles on the surface of the AR lens to prevent the surface of the AR lens from being polluted by dirt, so that the surface of the AR lens is more easily soaked by the liquid drops, namely, the cleanliness of the surface of the AR lens is higher.

In one embodiment, a second hardening film is attached to a surface of the second antireflection film facing away from the resin layer.

Based on the embodiment, the second hardening film is attached to the surface, away from the resin layer, of the second antireflection film, so that the hardness of the AR lens can be further enhanced to solve the problems that the AR lens is poor in scratch resistance, easy to scratch and the like.

In one embodiment, an anti-fouling film is attached to the surface of the second hardened film facing away from the second antireflection film.

Based on above-mentioned embodiment, through at the attached antifouling membrane on the surface that the second hardening film deviates from the second antireflection coating, will prevent that dirty membrane and second hardening film stack use, strengthening the hardness of AR lens, when promoting the resistant scraping performance of AR lens, also can play to AR lens prevent dirty, prevent the fingerprint, promote the effect of surface cleanliness factor, make the AR lens have better result of use.

In one embodiment, the thickness dimension of the second hardened film is between 1 μm and 5 μm in a direction perpendicular to the surface of the base material layer.

Based on the above embodiment, by setting the thickness dimension of the second hardened film to be between 1 μm and 5 μm, the hardness of the AR lens can be increased to a desired hardness range on the premise of reducing the thickness dimension of the AR lens as much as possible, improving the quality of the AR lens.

In a second aspect, an embodiment of the present invention provides an AR head display device, including: a fixing member; as with the AR lens described above, the AR lens is mounted to the fixture.

Based on the utility model discloses first apparent equipment of AR sets up the laminating membrane between resin layer and the optical cement layer through the first AR lens of showing equipment of AR, makes the resin layer can easily accomplish the laminating with the optical cement layer through the laminating membrane, and the firm difficult gassing of laminating.

In one embodiment, the fixing piece comprises a frame and two glass legs, the two glass legs are oppositely arranged on two sides of the frame at intervals, and the AR lenses are arranged on the frame; or the mount comprises a helmet with the AR lens mounted to one side of the helmet.

Based on above-mentioned embodiment, through setting up the mounting to including mirror holder and mirror leg or including the helmet, can make the first apparent equipment of AR form different use forms to satisfy all kinds of user's different kinds of user demand respectively, promoted the application scope of the first apparent equipment of AR in this embodiment.

In a third aspect, embodiments of the present invention provide a wearable system, including the above AR head display device.

Based on the utility model discloses wearable system through set up the laminating membrane between resin layer in wearable system's AR lens and the optical cement layer, makes the resin layer can easily accomplish the laminating with the optical cement layer through the laminating membrane, and the firm difficult gassing of laminating.

Based on the utility model discloses AR lens, the first equipment and the wearable system that shows of AR through set up the laminating membrane between resin layer and optical cement layer, the laminating membrane can improve the surperficial cleanliness factor that exists of resin layer and hang down, shortcomings such as adhesive force is poor, improve the cleanliness factor on resin layer surface, strengthen the adhesive force on resin layer surface, and can both realize the laminating well between laminating membrane and resin layer and the optical cement layer, make the resin layer can easily accomplish the laminating with optical cement layer through the laminating membrane, and the firm difficult gassing of laminating.

Drawings

FIG. 1 is a cross-sectional structural cross-sectional view of a prior art AR lens;

fig. 2 is a cross-sectional structural sectional view of an AR lens according to a first embodiment of the present invention;

fig. 3 is a cross-sectional structural sectional view of an AR lens according to a second embodiment of the present invention;

fig. 4 is a cross-sectional structural sectional view of an AR lens according to a third embodiment of the present invention;

fig. 5 is a cross-sectional structural sectional view of an AR lens according to a fourth embodiment of the present invention;

fig. 6 is a cross-sectional structural sectional view of an AR lens according to a fifth embodiment of the present invention;

fig. 7 is a schematic view of an overall structure of an AR head display device according to a sixth embodiment of the present invention;

fig. 8 is a schematic view of an overall structure of an AR display device according to a seventh embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an AR lens 100 'in the prior art includes a substrate layer 110', an optical adhesive layer 120 ', and a resin layer 130', wherein the optical adhesive layer 120 'is attached to one surface of the substrate layer 110', and the resin layer 130 'is directly attached to the optical adhesive layer 120' on a surface of the optical adhesive layer 120 'away from the substrate layer 110', and due to the defects of low surface cleanliness, poor adhesion, and the like of the resin layer 130 ', the resin layer 130' is not easily attached to the optical adhesive layer 120 ', and bubbles are generated after attachment, which affects the quality of the AR lens 100'.

In order to solve the above technical problem, please refer to fig. 2, a first embodiment of the present invention provides an AR lens 100, in which the AR lens 100 includes a substrate layer 110, an optical adhesive layer 120, and a resin layer 130.

The substrate layer 110 serves to support other layers thereon and serves as a base during processing to facilitate molding of the AR lens 100. In order to form the transparent AR lens 100, the substrate layer 110 needs to be a transparent carrier capable of transmitting visible light, such as a transparent film material like a PET (Polyethylene terephthalate) film. The term "transparent" as used herein means that a material which transmits visible light but is generally referred to as "translucent" and has a certain light scattering property, and a material which scatters light to a small extent is preferable. The shape, size and the like of the substrate layer 110 are determined according to the AR lens 100 to be processed, the substrate layer 110 has two opposite surfaces for bearing other layers, and the optical adhesive layer 120 is attached to any one of the two surfaces.

The optical Adhesive layer 120 (OCA) is a special Adhesive for gluing transparent optical elements, and has the advantages of colorless transparency, light transmittance of over 90%, good gluing strength, curing at room temperature or at intermediate temperature, small curing shrinkage and the like, so that the optical Adhesive layer 120 can be used for gluing the substrate layer 110 with other layers, such as the resin layer 130.

The resin layer 130 is the main body of the AR lens 100, and compared to glass, resin has the following advantages: light weight, with a density of about half that of glass; the plasticity is good, the material is not easy to break, and the material is convenient to process into various shapes; can be dyed into various colors to meet the requirements of different user groups. In order to solve the problem that the resin layer 130 is not easily attached to the optical adhesive layer 120 due to low surface cleanliness and poor adhesion of the resin layer 130, and bubbles are generated after the attachment, in this embodiment, the resin layer 130 is disposed on a side of the optical adhesive layer 120 away from the substrate layer 110, and an attachment film 140 is disposed between the resin layer 130 and the optical adhesive layer 120. In this embodiment, can be through liquid solidification, mode such as coating by vaporization is with laminating membrane 140 shaping on the surface of resin layer 130, laminate membrane 140 and optical cement layer 120 laminating afterwards, like this, can both realize the laminating well between laminating membrane 140 and resin layer 130 and the optical cement layer 120, simultaneously, laminating membrane 140 can improve the surface cleanliness factor that exists on resin layer 130 surface and hang down, shortcomings such as adhesive force is poor, improve the cleanliness factor on resin layer 130 surface, strengthen the adhesive force on resin layer 130 surface, make resin layer 130 can easily accomplish the laminating with optical cement layer 120 through laminating membrane 140, and the laminating is firm difficult for producing the bubble.

Based on the utility model discloses AR lens 100, through set up laminating membrane 140 between resin layer 130 and optical cement layer 120, laminating membrane 140 can improve the surperficial cleanliness factor that exists of resin layer 130 and hang down, the shortcoming such as adhesive force is poor, improve the cleanliness factor on resin layer 130 surface, strengthen the adhesive force on resin layer 130 surface, and can both realize the laminating well between laminating membrane 140 and resin layer 130 and the optical cement layer 120, make resin layer 130 can easily accomplish the laminating with optical cement layer 120 through laminating membrane 140, and the firm difficult gassing of laminating.

By changing the material of the adhesive film 140, the resin layer 130 and the optical adhesive layer 120 can be well adhered to each other, and at the same time, the adhesive film can have other additional functions. For example, in one embodiment, the bonding film 140 is a first hardening film 141 or a first antireflection film 142. The first hardening film 141 or the first antireflection film 142 is used as the adhesive film 140, which can improve the cleanliness of the surface of the resin layer 130 and enhance the adhesive force of the surface of the resin layer 130, so that the resin layer 130 can be easily adhered to the optical adhesive layer 120, the first hardening film 141 can enhance the hardness of the resin layer 130 to solve the problems of poor scratch resistance of the resin layer 130, easy scratching and the like, and the first antireflection film 142 can reduce or eliminate the reflected light of the surfaces of the resin layer 130 and the optical adhesive layer 120, increase the light transmittance of the AR lens 100, improve the optical performance of the AR lens 100, and a user can flexibly adjust the material of the adhesive layer according to different use requirements. Table 1 shows experimental data of surface light reflectance when different kinds of films are attached to the surface of the resin layer 130:

TABLE 1

Material	Light reflectivity
		Resin layer 130	9.30％
Resin layer 130+ antireflection film	2.88％
		Resin layer 130+ cured film	5.14％

As can be seen from table 1, when no other film is attached to the surface of the resin layer 130, the light reflectivity of the surface is 9.30%, when an anti-reflection film is attached to the surface of the resin layer 130, the light reflectivity of the surface is 2.88%, and when a hardening film is attached to the surface of the resin layer, the light reflectivity of the surface is 5.14%.

In addition to providing the adhesive film 140 between the resin layer 130 and the optical adhesive layer 120, various other functional films may be provided on the other surface of the resin layer 130 to meet various other functional requirements of the AR lens 100. For example, as shown in fig. 3, in the second embodiment of the present invention, a second antireflection film 150 is attached to a surface of the resin layer 130 facing away from the optical adhesive layer 120. Based on the above embodiment, by attaching the second antireflection film 150 on the surface of the resin layer 130 away from the optical adhesive layer 120, the reflected light on the surface of the resin layer 130 can be further reduced or eliminated, the light transmittance in the AR lens 100 is increased, and the optical performance of the AR lens 100 is improved.

Further, in order to provide the second antireflection film 150 with fingerprint and contamination prevention effects, as shown in fig. 4, in a third embodiment of the present invention, an antifouling film 160 is attached to a surface of the second antireflection film 150 away from the resin layer 130. Based on the above embodiment, the anti-fouling film 160 is attached to the surface of the second anti-reflection film 150 away from the resin layer 130, so that the resin layer 130, the second anti-reflection film 150, and the like can be isolated from the outside to protect the resin layer 130, the anti-fouling film 160 has the effects of preventing fouling and fingerprints and reducing the water drop angle, the water drop angle is a scale showing the hydrophilic property of the solid surface, and the anti-fouling film 160 can reduce the water drop angle on the surface of the AR lens 100, so that the surface of the AR lens 100 is not polluted by dirt, and is more easily soaked by the liquid drops, that is, the surface of the AR lens 100 has higher cleanliness. Table 2 shows experimental data of the surface water drop angle when different kinds of films are attached to the surface of the resin layer 130:

TABLE 2

As can be seen from table 2, when no other film is attached to the surface of the resin layer 130, the water drop angle of the surface is 86 °, when an antireflection film is attached to the surface of the resin layer 130, the water drop angle of the surface is 20 ° to 30 °, and when a cured film is attached to the surface of the resin layer, the water drop angle of the surface is 20 ° to 30 °, so that both the antireflection film and the cured film can improve the water drop angle of the surface of the resin layer 130, and the water drop angle is reduced, which means that the surface of the resin layer 130 is more easily wetted by liquid drops, and the degree of contamination of the surface by dirt is low, i.e. the cleanliness of the surface of the resin layer 130 is high, wherein when the antireflection film is attached to the surface of the resin layer 130 and the cured film is attached to the surface of the resin layer 130, the water drop angle of the surface is substantially equal to each other angle, and is much smaller than the water drop angle when the film is not attached to the surface of the resin layer 130.

Similar to the above embodiments, in order to protect the second antireflection film 150 and enhance the overall hardness of the AR lens 100, please refer to fig. 5, in a fourth embodiment of the present invention, a second hardening film 170 is attached to a surface of the second antireflection film 150 facing away from the resin layer 130. Based on the above embodiment, by attaching the second hardening film 170 on the surface of the second antireflection film 150 facing away from the resin layer 130, the hardness of the AR lens 100 can be further enhanced to solve the problems of poor scratch resistance, easy occurrence of scratches, and the like of the AR lens 100.

Further, referring to fig. 6, in order to prevent fingerprints and contamination of the second hardened film 170, in a fifth embodiment of the present invention, an anti-fouling film 160 is attached to a surface of the second hardened film 170 away from the second antireflection film 150. Based on the above embodiment, the anti-fouling film 160 is attached to the surface of the second hardening film 170 away from the second antireflection film 150, and the anti-fouling film 160 and the second hardening film 170 are overlapped for use, so that the hardness of the AR lens 100 is enhanced, the scratch resistance of the AR lens 100 is improved, and meanwhile, the effects of preventing dirt and fingerprints and improving the surface cleanliness of the AR lens 100 are achieved, so that the AR lens 100 has a better use effect. Table 3 shows experimental data of surface hardness when different kinds of films are attached to the surface of the resin layer 130:

TABLE 3

Material	Hardness of
		Resin layer 130	3B
Resin layer 130+ antireflection film	B
		Resin layer 130+ cured film	HB
Resin layer 130+ antireflection film + cured film	H

As can be seen from table 3, when no other film is attached to the surface of the resin layer 130, the surface hardness is 3B, when an antireflection film is attached to the surface of the resin layer 130, the surface hardness is B, when a hardening film is attached to the surface of the resin layer, the surface hardness is HB, when an antireflection film is attached to the surface of the resin layer and a hardening film is superimposed thereon, the surface hardness is H, and the hardness is higher from 3B to H, and thus, both the antireflection film and the hardening film can improve the hardness of the surface of the resin layer 130, and the higher the hardness is, the stronger the scratch resistance of the surface of the resin layer 130 is, and the less scratches are likely to occur, wherein when an antireflection film is attached to the surface of the resin layer 130 and a hardening film is superimposed thereon, the highest hardness of the surface is, the strongest the scratch resistance of the surface is, and scratches are also likely to occur.

In addition, according to different actual use requirements, various other films with different functions can be attached to the surface of the resin layer 130, the films can be stacked, and the stacking sequence can be flexibly adjusted to meet the use habit in the technical field as much as possible, and the details are not repeated here.

In one embodiment, the thickness of the second hardened film 170 is between 1 μm and 5 μm in a direction perpendicular to the surface of the substrate layer 110. Based on the above-described embodiment, by setting the thickness dimension of the second hardened film 170 to be between 1 μm and 5 μm, such as 1 μm, 3 μm, or 5 μm, the hardness of the AR lens 100 can be increased to a desired hardness range on the premise of reducing the thickness dimension of the AR lens 100 as much as possible, improving the quality of the AR lens 100.

The embodiment of the present invention provides an AR lens 100, which can be used in conventional glasses such as myopia glasses, hyperopia glasses, flat glasses, and goggles, and also can be used in an emerging AR (Augmented Reality) head display device 10. Referring to fig. 7 to 8, an embodiment of the present invention provides an AR head display device 10, where the AR head display device 10 includes a fixing member 200 and an AR lens 100 as in any of the above embodiments, and the AR lens 100 is mounted on the fixing member 200.

The AR head display device 10 is a wearable device that can be worn on the head of a human body to display by implementing AR technology, and superimposes virtual information onto the real world by using computer technology, so that the real environment and virtual objects can be superimposed on the same picture in real time to realize mutual complementation of the two kinds of information, and display the picture in front of the user by using the AR head display device 10. In the present embodiment, the AR head display device 10 is used alone, that is, in use, the user wears the AR head display device 10, observes a real environment through the AR lens 100 in the AR head display device 10, and at the same time, the user can also perceive virtual information provided in the AR head display device 10, so as to realize real-time superposition of the real environment and the virtual information. Based on the utility model discloses the first equipment 10 that shows of AR sets up laminating membrane 140 between resin layer 130 and the optical cement layer 120 through the first AR lens 100 that shows equipment 10 of AR, makes resin layer 130 can easily accomplish the laminating with optical cement layer 120 through laminating membrane 140, and the laminating firmly is difficult for producing the bubble.

Specifically, in a sixth embodiment of the present invention, as shown in fig. 7, the fixing member 200 includes a frame 210 and two side arms 220, the two side arms 220 are spaced apart from each other and are disposed on two sides of the frame 210, and the AR lens 100 is mounted on the frame 210. In use, a user may attach the two temples 220 of the fixing member 200 to the ears at both sides, respectively, so that the AR lens 100 faces his or her eyes. The number of the AR lenses 100 is illustrated as two, but the number of the AR lenses 100 may be one or more, which is not limited by the present invention. In the seventh embodiment of the present invention, as shown in fig. 8, the AR head display device 10 may also be in the form of a helmet 230, and when in use, the user can cover the helmet 230 on the fixing member 200 on his head and make the AR lens 100 face his eyes. In short, the fixing member 200 is configured to include the lens frame 210 and the temple 220 or the helmet 230, so that the AR head display device 10 can be formed into different use forms to respectively meet different kinds of use requirements of various users, and the application range of the AR head display device 10 in the embodiment is expanded.

In a third aspect, embodiments of the present invention provide a wearable system, including the AR head display device 10 as described above. In this embodiment, the AR head display device 10 is used in conjunction with an electronic device to form a wearable system. The electronic device is configured to transmit image information, audio information, and control instructions output by the electronic device to the AR head display device 10, and receive information output by the AR head display device 10. Those skilled in the art will readily understand that the electronic device of the present application may be any device having communication and storage functions, such as a smart terminal, for example, a smart phone, a tablet computer, a notebook computer, a portable phone, a video phone, a digital still camera, an electronic book reader, a portable multimedia player, a mobile medical device, etc., and the representation form of the electronic device is not limited herein. Based on the utility model discloses wearable system through set up laminating membrane 140 between resin layer 130 in wearable system's AR lens 100 and optical cement layer 120, makes resin layer 130 can easily accomplish the laminating with optical cement layer 120 through laminating membrane 140, and the firm difficult gassing that produces of laminating, wearable system's result of use is better.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An AR lens, comprising:

a substrate layer;

the optical adhesive layer is attached to one surface of the substrate layer;

the resin layer is arranged on one side, deviating from the base material layer, of the optical adhesive layer, and a laminating film is arranged between the resin layer and the optical adhesive layer.

2. The AR lens of claim 1, wherein the conformable film is a first hardened film or a first antireflection film.

3. The AR lens of claim 1, wherein a second antireflection film is attached to a surface of the resin layer facing away from the optical glue layer.

4. The AR lens of claim 3, wherein an anti-fouling film is attached to a surface of the second antireflection film facing away from the resin layer.

5. The AR lens of claim 3, wherein a second hardened film is attached to a surface of the second antireflection film facing away from the resin layer.

6. The AR lens of claim 5, wherein an anti-smudge film is affixed to a surface of the second hardened film facing away from the second antireflective film.

7. The AR lens of claim 5, wherein the second hardened film has a thickness dimension in a direction perpendicular to the surface of the base layer of between 1 μm and 5 μm.

8. An AR head display device, comprising:

a fixing member;

the AR lens of any of claims 1 to 7, wherein said AR lens is mounted to said fixture.

9. The AR head display device of claim 8, wherein said attachment member comprises a frame and two temple arms spaced apart from one another on opposite sides of said frame, said AR lens mounted to said frame; or

The mount includes a helmet, the AR lens being mounted to one side of the helmet.

10. A wearable system comprising the AR head-up device of claim 8 or 9.

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