CN214375587U

CN214375587U - AR display device based on optical waveguide

Info

Publication number: CN214375587U
Application number: CN202122112244.7U
Authority: CN
Inventors: 张左弓; 林靖翔; 林菊茹
Original assignee: Quanzhou Deyuan Bearing Industrial Co ltd
Current assignee: Fujian Deyuan Intelligent Technology Co.,Ltd.
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2021-10-08
Anticipated expiration: 2031-09-03

Abstract

The utility model provides an AR display device based on optical waveguide, belonging to the technical field of optical waveguide display, which comprises a spectacle frame, wherein two sides of the spectacle frame are provided with spectacle legs; a battery accommodating cavity is formed in the glasses leg, away from the glasses frame, and a battery assembly is placed in the battery accommodating cavity; the micro-projection mechanism is used for projecting a displayed picture; the image that AR shows that the lens will throw out little projection mechanism leads the pupil, and at the retina formation of image, two mirror legs are articulated with the spectacle frame, and the mirror leg is close to the inside cavity of seting up placing little projection mechanism of spectacle frame department, the utility model discloses in, design compact structure conveniently carries, optimizes AR display device's luminance and shows, guarantees that the display image lasts and keeps clear, through the scheme that changes the mirror leg, solves the problem that the user worn the travelling comfort.

Description

AR display device based on optical waveguide

Technical Field

The utility model belongs to the technical field of the optical waveguide shows, concretely relates to AR display device based on optical waveguide.

Background

Augmented Reality (AR) and Virtual Reality (VR) are the fields of technology that have attracted much attention in recent years, and their near-to-eye display systems project a far-away virtual image onto the human eye by forming pixels on a display through a series of optical imaging elements.

In the prior art, the optical waveguide AR is considered as an optical scheme necessary for consumer-grade AR glasses due to its light weight and high penetration characteristic of external light, but the brightness and wearing comfort of the AR display device still need to be improved because different groups have different requirements for the structural form of the AR display device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a AR display device based on optical waveguide aims at solving AR display device's luminance display and equipment portability to and the travelling comfort problem of personnel when wearing.

In order to achieve the above object, the utility model provides a following technical scheme:

an AR display device based on optical waveguides, comprising:

the glasses frame is characterized in that glasses legs are arranged on two sides of the glasses frame; a battery accommodating cavity is formed in the inner part, far away from the spectacle frame, of each spectacle leg, a battery assembly is placed in each battery accommodating cavity, the tail ends of the two spectacle legs are detachably connected with arc-shaped spectacle legs, and clamping grooves are formed in the sides, far away from the spectacle legs, of the spectacle frame along the edges of the spectacle frame and used for clamping backlight lenses matched with the clamping grooves;

the micro-projection mechanism is used for projecting an image to be displayed onto the AR display lens;

and the AR display lens guides the image projected by the micro-projection mechanism to the pupil to form an image on the retina.

As an optimized scheme of the utility model, two the mirror leg is articulated with the spectacle frame, and the mirror leg is close to inside the offering cavity of placing little projection mechanism of spectacle frame department.

As an optimized proposal of the utility model, the middle part of the spectacle frame is a nose bracket, a soft pad is attached to the V-shaped groove of the nose bracket, and the soft pad is a skin-friendly silica gel body.

As a preferred scheme of the utility model, two the mirror leg inboard extends there is miniature stereo set, miniature stereo set is greater than the lower border length of mirror leg down along length.

As an optimized scheme of the utility model, set up the recess that loads AR display lens in the picture frame of spectacle frame, the lens of being shaded is located the front end of AR display lens.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this scheme, different users can select the arc mirror leg that suits when wearing, make it can be better cooperation user's ear type to can not lead to droing because of arc mirror leg is too big when wearing, lead to the ear tired too for a short time, design compact structure simultaneously conveniently carries.

2. In this scheme, when meetting daytime the highlight, the draw-in groove on the accessible picture frame is adorned the effect that the lens in a poor light of looks adaptation strengthened AR shows lens background brightness, guarantees that the display image lasts and keeps clear, makes it not receive daytime the influence of highlight, improves user's use and experiences.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a spectacle frame; 2. a groove; 3. a card slot; 4. a battery assembly; 5. an arc-shaped temple; 6. a soft cushion; 7. an AR display lens; 8. a miniature sound box; 9. a micro-projection mechanism; 10. the glasses legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to figures 1 to 3 of the drawings which accompany the detailed description: an AR display device based on optical waveguides according to an embodiment of the present invention is illustrated. Specifically, as shown in fig. 1 to 3:

the glasses frame comprises a glasses frame 1, wherein the two sides of the glasses frame 1 are provided with glasses legs 10; a battery accommodating cavity is formed in the inner part, away from the spectacle frame 1, of each spectacle leg 10, a battery assembly 4 is placed in the battery accommodating cavity, the battery assembly 4 supplies power for the micro-projection mechanism 9 and the micro-sound 8, and meanwhile, the battery assembly 4 can be detached from the battery accommodating cavity to charge the battery assembly;

the micro-projection mechanism 9 is used for projecting an image to be displayed onto the AR display lens 7, and the micro-projection mechanism 9 can realize high RGB laser coupling efficiency and real power monitoring through an SOG integration technology, so that an ultra-compact, high-energy-efficiency and low-power-consumption solution can be generated, and a high-quality image can be provided;

and an AR display mirror 7 for displaying the image projected by the micro-projection mechanism 9.

Two glasses legs 10 are hinged with the glasses frame 1, a cavity for placing the micro-projection mechanism 9 is arranged inside the glasses leg 10 close to the glasses frame 1, after the micro-projection mechanism 9 completes the imaging process, the waveguide couples light into the glass substrate, the light is transmitted to the front of eyes through the total reflection principle and then released, a display image is formed, the middle part of the glasses frame 1 is a nose bracket, a soft cushion 6 is attached to a V-shaped groove of the nose bracket, the soft cushion 6 is a skin-friendly silica gel body, the design can ensure that the nose is not sour when being worn for a long time, the comfort of a user is improved, meanwhile, the glasses frame can be better stabilized, a micro-sound box 8 extends from one side of the two glasses legs 10, the length of the lower edge of the micro-sound box 8 is larger than that of the glasses legs 10, the micro-sound box 8 can transmit sound matched with the image, and a volume key is arranged on one side of the micro-sound box 8 opposite to the micro-projection mechanism 9, the glasses frame is used for adjusting the volume, the tail ends of the two glasses legs 10 are detachably connected with arc-shaped glasses legs 5, the arc-shaped glasses legs 5 have various styles, different users can select different arc-shaped glasses legs 5 according to the ear types, one side of the glasses frame 1 opposite to the glasses legs 10 is provided with a clamping groove 3 along the edge of the glasses frame, used for clamping the backlight lens matched with the clamping groove 3, the display brightness of the AR display lens can be enhanced by installing the matched backlight lens through the clamping groove on the spectacle frame, the display image can be ensured to be continuously kept clear, this lens in a poor light adopts photochromic glass to make, absorbs the sunlight automatically and takes place the colour and darken under sunshine shines, and the demonstration luminance of reinforcing AR display lens, sets up the recess 2 that loads AR display lens 7 in the picture frame of spectacle frame 1, and the lens in a poor light is located the front end of AR display lens 7, and the aim at that is located the front end shows more clearly when AR display lens 7 formation of image.

The utility model discloses an use flow: when the device is used, a user selects the arc-shaped glasses leg 5 suitable for the user to be arranged at the tail of the glasses leg 10, then wears the AR display equipment, opens the start key of the AR display equipment, the micro-projection mechanism 9 starts imaging, after the imaging process is completed, the waveguide couples light into the glass substrate of the AR display lens 7, the light is transmitted to the front of eyes by the total reflection principle and then released, a display picture is displayed in the front of a pupil, and the sound of the picture can be adjusted by the key of the micro-sound box 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An AR display device based on optical waveguides, comprising:

the glasses comprise a glasses frame (1), wherein glasses legs (10) are arranged on two sides of the glasses frame (1); a battery accommodating cavity is formed in the inner part, far away from the glasses frame (1), of each glasses leg (10), a battery assembly (4) is placed in each battery accommodating cavity, the tail ends of the two glasses legs (10) are detachably connected with arc-shaped glasses legs (5), and a clamping groove (3) is formed in one side, far away from the glasses legs (10), of the glasses frame (1) along the edge of the glasses frame and used for clamping a backlight lens matched with the clamping groove (3);

a micro-projection mechanism (9) for projecting an image to be displayed onto the AR display lens (7);

and an AR display lens (7) for guiding the image projected by the micro-projection mechanism (9) to the pupil and forming an image on the retina.

2. An AR display device based on optical waveguides as claimed in claim 1, characterized in that: the two glasses legs (10) are hinged to the glasses frame (1), and a cavity for placing the micro-projection mechanism (9) is formed in the positions, close to the glasses frame (1), of the glasses legs (10).

3. An AR display device based on optical waveguides as claimed in claim 2, characterized in that: the middle part of the spectacle frame (1) is a nose bracket, a soft pad (6) is attached to a V-shaped groove of the nose bracket, and the soft pad (6) is a skin-friendly silica gel body.

4. An AR display device based on optical waveguides as claimed in claim 3, characterized in that: the inner sides of the two temples (10) extend to form miniature sound boxes (8), and the length of the lower edge of each miniature sound box (8) is larger than that of each temple (10).

5. An AR display device based on optical waveguides as claimed in claim 4, characterized in that: a groove (2) for loading an AR display lens (7) is formed in a glasses frame of the glasses frame (1), and the backlight lens is located at the front end of the AR display lens (7).