CN220419686U

CN220419686U - AR display glasses

Info

Publication number: CN220419686U
Application number: CN202321462692.2U
Authority: CN
Inventors: 安志民; 孟祥峰
Original assignee: Beijing Zhige Technology Co ltd
Current assignee: Beijing Zhige Technology Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-30
Anticipated expiration: 2033-06-09

Abstract

The utility model provides AR display glasses, which comprise a glasses frame, waveguide lenses and myopia lenses; the side, far away from the human eyes, of the mirror frame is provided with a waveguide lens; a near-sighted lens is arranged on one side of the glasses frame close to eyes of a person; an air interlayer is arranged between the waveguide lens and the myopia lens. Compared with the prior AR display glasses for myopic users, the AR display glasses have the advantages of light and thin structural design, small volume, high integration degree, few leakage parts and reduction of production and manufacturing cost.

Description

AR display glasses

Technical Field

The utility model belongs to the technical field of augmented reality, and particularly relates to AR display glasses.

Background

Augmented reality (AugmentedReality, AR) technology refers to providing a user with additional information in the real world (so-called "augmentation") by some means of technology that organically fuses images of the virtual world with scenes of the real world, and by deeply integrating the calculated information with the real world, provides a user with a richer information and immersive experience.

The augmented reality technology can be realized through a plurality of hardware platforms, wherein the most immersive is the wearable augmented reality equipment, namely the AR glasses, the hardware form of the mode is a simple glasses, light rays are guided into human eyes through the microstructure of the surface of the lens, and the hardware implementation mode is the most convenient and fast technology of the AR. The purpose of AR lenses is to guide the image from the microdisplay through the lens into the human eye, and the optical waveguide solution is one of the mainstream solutions.

To meet the needs of myopic groups, some AR display glasses are equipped with myopic lenses to enable the wearer to see the real environment content and the virtually displayed content.

The AR myopia regimen of the prior art is mainly as follows:

1. adopt the external scheme, directly fix near-sight glass frame on the picture frame of AR display glasses for the volume of the AR display glasses that current satisfy near-sight crowd demand is great, and weight is heavier, influences the user and wears the effect, and integrated into one piece degree is low, easily exposes the structure.

2. The relative position of the optical device is adjusted to adapt to the myopia degree, but the scheme is more suitable for AR glasses in the free-form surface or BB field.

Disclosure of Invention

In order to overcome the problems of the prior art, the utility model provides AR display glasses.

The utility model is realized by the following technical scheme:

the utility model provides AR display glasses, which comprise a glasses frame, waveguide lenses and myopia lenses;

the side, far away from the human eyes, of the mirror frame is provided with a waveguide lens;

a near-sighted lens is arranged on one side of the glasses frame close to eyes of a person;

an air interlayer is arranged between the waveguide lens and the myopia lens.

Further, the myopia lens adopts a concave lens.

Further, the myopia lens adopts a biconcave lens.

Further, the myopia lens adopts a plano-concave lens.

Further, the concave side of the plano-concave lens is arranged close to human eyes.

Further, one side of the plane of the plano-concave lens is arranged in parallel with the waveguide lens.

Further, the thickness of the air interlayer is 0.2-1mm. Preferably, the thickness of the air barrier is 0.5mm.

Further, the glasses frame comprises a glasses frame main body and a glasses frame cover plate;

the side, far away from human eyes, of the mirror frame main body is sequentially provided with the waveguide lens and the mirror frame cover plate;

the lens frame cover plate is connected with the lens frame main body and clamps and fixes the waveguide lens.

Further, the side, close to the human eyes, of the glasses frame main body extends to form a containing part, and the containing part is in interference fit with the myopia lenses.

Further, the edge of the myopia lens is provided with a groove;

an elastic material is placed in the groove;

the myopia lens is in interference fit with the inner periphery of the accommodating part through the elastic material.

Further, a limiting part is arranged at the joint position of the lens frame main body and the waveguide lens in an extending way towards the myopia lens;

the limiting part and the mirror frame cover plate clamp the waveguide lens.

Further, the edge of the accommodating part close to one side of the human eyes is provided with an inner concave part.

Further, the utility model also comprises a glasses leg,

the glasses legs comprise a first glasses leg and a second glasses leg;

the first glasses leg is connected with one side of the glasses frame, and the second glasses leg is connected with the other side of the glasses frame.

Further, a first connecting part is arranged on the mirror frame main body;

the glasses legs are provided with second connecting parts;

the first connecting part is connected with the second connecting part through a rotating shaft.

Further, a third connecting part is arranged at the position of the mirror frame main body close to the first connecting part;

the third connecting part is fixedly provided with an elastic part, and the elastic part is abutted with the glasses leg.

Further, the device also comprises a ray machine;

the ray apparatus sets up first mirror leg and/or second mirror leg.

Further, the nose pad is also included;

the nose pad is arranged in the middle of one side of the glasses frame close to human eyes.

Further, the device also comprises a focusing component;

the focusing member is disposed inside the AR display glasses.

Further, the device also comprises a focusing compensation component;

the focusing compensation part is arranged on the outer side of the AR display glasses.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

the utility model provides AR display glasses, which comprise a glasses frame, waveguide lenses and myopia lenses; the side of the glasses frame far away from human eyes is provided with a waveguide lens, the side of the glasses frame near to human eyes is provided with a myopia lens, and an air interlayer is arranged between the waveguide lens and the myopia lens. According to the AR display glasses, the waveguide lenses and the myopia lenses are arranged on the same glasses frame at intervals, so that the requirements of myopic users can be met, and compared with the AR myopia glasses in the existing scheme, the AR display glasses are light and thin in structural design, small in size, high in integration degree, few in leakage parts and low in production and manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an AR display glasses according to the present utility model;

FIG. 2 is an exploded view showing the overall structure of the AR display glasses of the present utility model;

FIG. 3 is a schematic view showing the connection structure between the frame and the temple of the AR display glasses according to the present utility model;

FIG. 4 is a first partial schematic view of AR display glasses of the present utility model;

fig. 5 is a second partial schematic view of AR display glasses according to the present utility model.

The glasses comprise a 1-glasses leg, a 1-1-glasses leg main body, a 1-2-glasses leg cover plate, a 2-glasses frame, a 2-1-glasses frame main body, a 2-2-glasses frame cover plate, a 3-waveguide lens, a 4-myopia lens, a 5-air interlayer, a 6-mounting part, a 7-groove, an 8-elastic material, a 9-limiting part, a 10-concave part, a 11-first connecting part, a 12-second connecting part, a 13-third connecting part, a 14-rotating shaft, a 15-elastic part, a 16-nose support and a 17-containing part.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "first," "second," and the like, herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "a," "an," and other similar words are not intended to mean that there is only one of the things, but rather that the description is directed to only one of the things, which may have one or more. In this document, the terms "comprise," "include," and other similar words are intended to denote a logical relationship, but not to be construed as implying a spatial structural relationship. For example, "a includes B" is intended to mean that logically B belongs to a, and not that spatially B is located inside a. In addition, the terms "comprising," "including," and other similar terms should be construed as open-ended, rather than closed-ended. For example, "a includes B" is intended to mean that B belongs to a, but B does not necessarily constitute all of a, and a may also include other elements such as C, D, E.

The terms "embodiment," "this embodiment," "preferred embodiment," "one embodiment," and the like herein do not denote that the descriptions are merely applicable to one particular embodiment, but rather denote that the descriptions are also applicable to one or more other embodiments. It will be appreciated by those skilled in the art that any descriptions of one embodiment herein may be substituted for, combined with, or otherwise combined with the descriptions of another embodiment or embodiments, such substitution, combination, or other combination resulting in a new embodiment as would be apparent to one of ordinary skill in the art and would be within the scope of this utility model.

In the description herein, the meaning of "plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

The utility model provides an AR display glasses, as shown in FIG. 1, which is an overall structural schematic diagram of the AR display glasses of the utility model, and FIG. 2 is an overall structural explosion schematic diagram of the AR display glasses of the utility model, wherein the AR display glasses comprise glasses legs 1, glasses frames 2, a light machine (not shown in the figure), waveguide lenses 3 and myopia lenses 4.

The mirror frame 2 is provided with the waveguide lens 3 on the side far away from human eyes, the mirror frame 2 is provided with the myopia lens 4 on the side close to human eyes, an air interlayer 5 is arranged between the waveguide lens 3 and the myopia lens 4, the thickness of the air interlayer 5 is 0.2-1mm, and more preferably, the thickness of the air interlayer 5 is 0.5mm.

According to the AR display glasses, the waveguide lenses 3 and the myopia lenses 4 are arranged on the same glasses frame 2 at intervals, so that the needs of myopia users can be met, and compared with the AR myopia glasses in the existing scheme, the AR display glasses are light and thin in structural design, small in size, high in integration degree, few in leakage parts and low in production and manufacturing cost.

The fixing manner of the waveguide lens 3 and the lens frame 2 is not particularly limited, and those skilled in the art can design the fixing manner according to practical convenience.

While for facilitating the fixed positioning of the waveguide lens 3 with the side of the frame 2 remote from the human eye, the frame 2 includes a frame body 2-1 and a frame cover 2-2, as illustrated in fig. 2, for example. The side, far away from human eyes, of the mirror frame main body 2-1 is sequentially provided with a waveguide lens 3 and a mirror frame cover plate 2-2, and the mirror frame cover plate 2-2 is connected with the mirror frame main body 2-1 to clamp and fix the waveguide lens 3.

Illustratively, the frame body 2-1 is provided with a first fitting portion and a second fitting portion on a side away from the human eye. The first fitting part is matched with the side surface of the waveguide lens 3, and the second fitting part is matched with the peripheral outline of the glasses frame cover plate 2-2.

The first laminating portion is used for placing the waveguide lens 3, and the second laminating portion is used for placing the glasses frame cover plate 2-2. The waveguide lens 3 is disposed between the frame body 2-1 and the frame cover 2-2.

The glasses frame main body 2-1 is provided with a through hole, the glasses frame cover plate 2-2 is provided with a mounting part 6, the mounting part 6 is provided with a through hole, and the through holes are penetrated by screws to realize the fixed connection of the glasses frame main body 2-1 and the glasses frame cover plate 2-2.

The manner of fixing the near vision lens 4 to the frame 2 is not particularly limited, and those skilled in the art can design it according to practical convenience.

In order to facilitate the fixation of the near-sighted lenses 4 and the glasses frame 2 near the eyes, and to enable the replacement of the near-sighted lenses 4, the glasses frame body 2-1 is illustratively extended near the eyes to form a receiving portion 17, and the receiving portion 17 is in interference fit with the near-sighted lenses 4.

When the near vision lens 4 and the accommodation portion 17 on the eye side of the lens frame body 2-1 are fixed by interference fit, the interference fit connection between the near vision lens 4 and the lens frame body 2-1 is used for preventing damage to the near vision lens 4, and also for preventing water drops, dust, salt mist and the like from immersing in the air barrier 5 between the waveguide lens 3 and the near vision lens 4, thereby affecting the use of the AR glasses. As shown in fig. 4, a groove 7 is formed in the edge of the near-sighted lens 4, an elastic material 8 is placed in the groove 7, and the near-sighted lens 4 is in interference fit with the inner periphery of the accommodating portion 17 of the glass frame main body 2-1, which is close to the human eye side, through the elastic material 8, so that the near-sighted lens 4 and the glass frame main body 2-1 are elastically fixed, and the air interlayer 5 between the near-sighted lens 4 and the waveguide lens 3 is ensured to be a sealed air interlayer. Illustratively, an annular groove may be formed around the myopic lens 4 at the side of the myopic lens 4, and the elastic material 8 is placed in the annular groove, thereby achieving an interference fit between the myopic lens 4 and the frame body 2-1. By way of example, the elastic material 8 here may be a thermoplastic elastomer material, such as polyurethane rubber.

For the situation that the waveguide lens 3 is fixed on the lens frame 2, when the near-vision lens 4 and the accommodating portion 17 of the lens frame body 2-1 near the human eye side are fixed in an interference fit manner, in order to improve the clamping and fixing performance of the waveguide lens 3, in order to prevent the near-vision lens 4 from contacting the waveguide lens 3 and damaging the waveguide lens 3, and in order to ensure the air interlayer 5 of the waveguide lens 3 and the near-vision lens 4, as shown in fig. 3, the bonding position of the lens frame body 2-1 and the waveguide lens 3 extends towards the near-vision lens 4 to form a limiting portion 9, and the near-vision lens 4 and the waveguide lens 3 on the lens frame 2 are arranged at intervals through the limiting portion 9, preferably, the thickness of the limiting portion 9 can be equal to the thickness of the air interlayer 5.

In order to facilitate the detachment of the near vision lens 4 from the lens frame 2 when the near vision lens 4 and the accommodating portion 17 of the lens frame body 2-1 on the side close to the human eye are fixed by interference fit, the accommodating portion 17 of the lens frame body 2-1 is provided with a concave portion 10 on the edge of the lens frame body 2-1 on the side close to the human eye. The shape and depth of the concave portion 10 are not particularly limited as long as those skilled in the art can easily detach the near vision lens 4 from the frame 2.

Wherein the temple 1 comprises a first temple and a second temple.

The first glasses leg is connected with one side of the glasses frame 2, and the second glasses leg is connected with the other side of the glasses frame 2. The connection manner is not particularly limited, and those skilled in the art can set up according to convenience.

By way of example only, and not by way of limitation,

as shown in fig. 2, the frame body 2-1 is provided with a first connection portion 11 at a connection position with the temple 1, the temple 1 is provided with a second connection portion 12 at a connection position with the frame body 2-1, and the first connection portion 11 and the second connection portion 12 are connected by a rotation shaft 14.

Specifically, as shown in fig. 5, a first connecting portion 11 may be respectively disposed on an upper end surface and a lower end surface of the lens frame main body 2-1, a groove 7 is disposed between the first connecting portions 11 on the upper end surface and the lower end surface of the lens frame main body 2-1, a second connecting portion 12 is disposed in the groove 7 in a matching manner, through holes are respectively disposed on the first connecting portion 11 and the second connecting portion 12, and a rotation shaft 14 passes through the through holes to realize the fixed connection between the first connecting portion 11 and the second connecting portion 12, thereby realizing the fixed connection between the lens frame main body 2-1 and the lens leg 1, and the swing of the lens leg 1 relative to the lens frame main body 2-1 with a certain amplitude can be realized by adopting the rotation shaft 14 connection.

In order to facilitate the requirement of the glasses leg 1 for adapting to different head circumferences of users, and also in order to facilitate the good contact between the glasses leg 1 and the back of the ears of the users. In a preferred embodiment, the third connecting portion 13 is provided at a position of the frame body 2-1 close to the first connecting portion 11, and the elastic member 15 is fixedly provided at the third connecting portion 13, and the elastic member 15 abuts against the temple 1. The third connecting portion 13 may be a groove, and the elastic member 15 may be a spring piece.

The optical machine is arranged on the glasses leg 1 and can be arranged on the first glasses leg and/or the second glasses leg. In order to facilitate the arrangement of the optical machine inside the glasses leg 1, the glasses leg 1 comprises a glasses leg main body 1-1 and a glasses leg cover plate 1-2, and the optical machine is arranged inside the glasses leg main body 1-1, and the glasses leg cover plate 1-2 is buckled and clamped with the glasses leg main body 1-1.

The light machine can adopt the existing light machine, and the light machine adopts the DLP light machine by way of example.

The temple 1 is provided with an external connection port (not shown in the figure), which may be provided on the first temple or the second temple, and which may be connected to a driving board or a power source, etc.

In order to keep the frame 2 well fixed with respect to the nose of the user, a nose pad 16 is provided in the middle of the side of the frame 2 close to the human eye. The material of the nose pad 16 is not particularly limited, and the nose pad 16 may be made of plastic, for example.

As a preferred embodiment, the AR glasses of the present utility model may further include a focusing part and a focusing compensation part (not shown in the drawings).

The focusing member is provided on the inner side of the AR display glasses, and is capable of transmitting a display image of the waveguide lens to a set depth in front of the human eye.

The focusing compensation component is arranged on the outer side of the AR display glasses, and counteracts the interference effect of the focusing component on the real scene.

The focal power of the focusing component and the focal power of the focusing compensation component are required to meet the positive and negative offset of the focal power at any time, so that the light rays of the external real scene are not influenced by the focusing component. The external real scene light enters the human eyes through the combined action of the focusing compensation component and the focusing component, which is equivalent to that the external real scene light is not modulated, so that the human eyes are free from being observed by naked eyes when the external real scene is observed through the AR glasses.

The focusing member and the focusing compensation member may be conventional members, and may be conventional focusing lenses, diffractive optical elements, or the like. Such as EL-16-40 from Optotune, and diffractive optical elements such as Moire Lens from Diffratec.

The above-mentioned myopia lens 4 adopts current myopia lens can, and the number of degrees of myopia lens 4 does not have the restriction requirement, and myopia lens 4 can match and change according to user's self myopia number of degrees.

The structure of the above-described myopia lens 4 is not particularly limited, and a concave mirror may be used as an example, and a double concave mirror or a plane concave mirror may be used as the concave mirror.

When the myopia lens 4 is a plano-concave lens, the concave side of the plano-concave lens is disposed adjacent to the human eye. And one side of the plane of the plano-concave lens is parallel to the waveguide lens, so that the incident light is prevented from being reflected by multiple surfaces, and the display distortion of the waveguide is prevented.

The waveguide lens 3 may be a conventional waveguide lens.

The materials used for the frame 2 are not particularly limited, and the frame 2 may be made of aluminum alloy.

The application material of the above-mentioned temple 1 is not particularly limited, and the first and second temples are exemplified by aluminum alloy materials.

The AR glasses of the present utility model may have the waveguide lens 3 provided on one side of the single eye, or may have the waveguide lens 3 provided on both sides.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, one skilled in the art may make modifications and equivalents to the specific embodiments of the present utility model, and any modifications and equivalents not departing from the spirit and scope of the present utility model are within the scope of the claims of the present utility model.

Claims

1. An AR display glasses is characterized by comprising a glasses frame, waveguide lenses and myopia lenses;

the glasses frame comprises a glasses frame main body and a glasses frame cover plate;

the lens frame cover plate is connected with the lens frame main body and clamps and fixes the waveguide lens;

the side, close to the human eyes, of the mirror frame main body extends to form a containing part;

the edge of the myopia lens is provided with a groove;

an elastic material is placed in the groove;

the myopia lens is in interference fit with the inner periphery of the accommodating part through the elastic material;

an air interlayer is arranged between the waveguide lens and the myopia lens.

2. The AR display glasses according to claim 1, wherein the near vision lenses are concave lenses.

3. The AR display glasses according to claim 2, wherein the near vision lenses are biconcave lenses.

4. The AR display glasses according to claim 2, wherein the near vision lenses are plano-concave lenses.

5. The AR display glasses of claim 4 wherein the concave side of the plano-concave lens is disposed adjacent to a human eye.

6. The AR display glasses of claim 5 wherein the planar sides of the plano-concave lenses are disposed in parallel with the waveguide lenses.

7. The AR display glasses according to claim 1, wherein the thickness of the air barrier layer is 0.2-1mm.

8. The AR display glasses according to claim 1, wherein the position where the frame body is attached to the waveguide lens extends toward the near-sighted lens to form a limit portion;

the limiting part and the mirror frame cover plate clamp the waveguide lens.

9. The AR display glasses according to claim 1, wherein,

the edge of the accommodating part, which is close to one side of the human eyes, is provided with an inner concave part.

10. The AR display glasses according to claim 1, further comprising a temple,

the glasses legs comprise a first glasses leg and a second glasses leg;

11. The AR display glasses according to claim 10, wherein the frame body is provided with a first connection portion;

the glasses legs are provided with second connecting parts;

12. The AR display glasses according to claim 11, wherein a third connection portion is provided at a position of the frame body close to the first connection portion;

13. The AR display glasses of claim 10 further comprising a light engine;

the ray apparatus sets up first mirror leg and/or second mirror leg.

14. The AR display glasses of claim 1 further comprising a nose pad;

15. The AR display glasses according to claim 1, wherein,

the device also comprises a focusing component;

the focusing member is disposed inside the AR display glasses.

16. The AR display glasses according to claim 15, wherein,

the device also comprises a focusing compensation component;