Intelligent glasses

Abstract

The utility model discloses a pair of intelligent glasses, which comprises a waveguide sheet and a glasses frame, the glasses frame comprises a front frame and a rear frame, and the front frame is installed on the rear frame; wherein at least part of the outer edge of the waveguide sheet is located between the front frame and the rear frame, one of the waveguide sheet and the mirror frame is provided with a positioning protrusion, and the other one of the waveguide sheet and the mirror frame is provided with a positioning groove matched with the positioning protrusion; compared with the prior art, the scheme has the advantages that when the waveguide sheet is assembled on the mirror frame, only the positioning groove is required to be aligned with the positioning bulge, so that the position of the waveguide sheet on the mirror frame can be positioned, and complicated adjustment and alignment operations are not required. The arrangement of the positioning projection and the positioning groove realizes the rapid installation and accurate positioning of the waveguide sheet, simplifies the assembly process, and improves the assembly efficiency.

Description

Technical Field

[0001] This application relates to the field of head-mounted devices, and in particular to a type of smart glasses. Background Technology

[0002] With the development of technology, smart glasses, as a wearable device that combines fashion and high technology, are gradually gaining popularity among consumers. Smart glasses not only provide rich visual experiences such as augmented reality and virtual reality, but also enable various functions such as calls, navigation, and health monitoring.

[0003] Traditional smart glasses often involve the assembly of multiple precision components, especially the waveguide (also known as a light guide plate or optical waveguide), a crucial component for projecting images onto the user's eyes. The waveguide needs to be precisely installed within the frame to ensure image clarity and viewing comfort. However, installing the waveguide onto the frame typically relies on manual alignment and securing, which is not only inefficient but also prone to introducing assembly errors, affecting the final display quality and user experience.

[0004] Therefore, it is necessary to propose a new technical solution to overcome the shortcomings of existing technologies. Utility Model Content

[0005] To address the aforementioned issues, this application provides a smart glasses system that enables rapid installation and accurate positioning of waveguide plates.

[0006] This application provides a smart glasses, including a waveguide sheet and a frame, wherein the frame includes:

[0007] Back frame; and

[0008] The front frame, which is mounted on the rear frame;

[0009] Wherein, at least a portion of the outer edge of the waveguide sheet is located between the front frame and the rear frame, and one of the waveguide sheet and the mirror frame is provided with a positioning protrusion, and the other is provided with a positioning groove that cooperates with the positioning protrusion.

[0010] Several alternative methods are provided below, but they are not intended as additional limitations on the overall solution above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution above, or multiple alternative methods can be combined with each other.

[0011] Optionally, a mounting groove for mounting waveguide sheets is formed between the front frame and the rear frame.

[0012] Optionally, the waveguide sheet is fixed between the front frame and the rear frame by adhesive.

[0013] Optionally, at least one of the front frame and the rear frame has an adhesive surface, which is bonded to the waveguide sheet by dispensing adhesive.

[0014] Optionally, at least one of the front frame and the rear frame further has an adhesive overflow surface, which is spaced apart from the waveguide sheet to receive excess adhesive during the dispensing and assembly process of the waveguide sheet and the adhesive surface.

[0015] Optionally, both the front frame and the rear frame have adhesive surfaces;

[0016] The adhesive surfaces on the front frame and the rear frame are located on opposite sides of the waveguide sheet.

[0017] Optionally, the waveguide sheet has an outwardly protruding extension, which is either the positioning protrusion or the positioning groove is formed in the extension.

[0018] Optionally, the positioning groove is a hole structure that penetrates the waveguide sheet or a recessed structure formed by the recess in the sidewall of the waveguide sheet.

[0019] Optionally, the positioning protrusion is integrally formed with the rear frame or the waveguide sheet.

[0020] Optionally, the front frame and the rear frame are fixed by snap-fit ​​and / or adhesive.

[0021] This application also provides smart glasses, including:

[0022] A picture frame, comprising a rear frame and a front frame mounted on the rear frame; and

[0023] A waveguide sheet, with a portion of its outer edge positioned and installed between the front frame and the rear frame, so that the mirror frame encloses the outer edge of the waveguide sheet;

[0024] Wherein, along the outer edge direction of the waveguide sheet, the area of ​​the lens frame covering the outer edge of the waveguide sheet does not exceed two-thirds of its outer edge, so as to reduce the weight of the lens frame.

[0025] Optionally, along the outer edge direction of the waveguide sheet, the area of ​​the frame covering the outer edge of the waveguide sheet does not exceed one-half of its outer edge.

[0026] Optionally, one of the waveguide sheet and the mirror frame is provided with a positioning protrusion, and the other is provided with a positioning groove that cooperates with the positioning protrusion.

[0027] Optionally, the smart glasses also include:

[0028] At least one extender assembly includes an extender and a snap-fit ​​member, wherein the extender can be snapped onto the frame via the snap-fit ​​member.

[0029] Optionally, the frame includes two lens frames and a bridging portion connecting the two lens frames;

[0030] The snap-fit ​​member can snap onto the bridging portion.

[0031] Optionally, the smart glasses also include a nose pad, which is detachably snapped onto the frame via a connecting member;

[0032] The frame includes a first fitting part and a second fitting part;

[0033] The connecting component includes:

[0034] A first connecting portion, which is fixed to the nose pad and can cooperate with the first mating portion to restrict the movement of the nose pad relative to the frame in a first direction; and

[0035] The second connecting part is fixed to the first connecting part and can cooperate with the second mating part to restrict the nose pad from moving relative to the frame in a second direction different from the first direction;

[0036] The first connecting portion and the second connecting portion are arranged along the second direction.

[0037] Optionally, the smart glasses also include:

[0038] The optical engine housing is located inside the lens frame and is used to fix the optical engine module;

[0039] An optical bracket is used to mount the optical engine housing onto the waveguide sheet.

[0040] Optionally, the smart glasses include:

[0041] The temple has a mounting cavity for accommodating an electronic module and a through hole communicating with the mounting cavity; and

[0042] A flexible circuit board passes through the via and is sealed to the via with adhesive to be electrically connected to an electronic module within the mounting cavity.

[0043] Optionally, the temple of the glasses is provided with a perforation for threading a strap.

[0044] Optionally, the smart glasses further include an audio mechanism, the audio mechanism comprising:

[0045] The main body includes two first sidewalls disposed opposite to each other, and two second sidewalls connected between the two first sidewalls and disposed opposite to each other. The main body is provided with a receiving cavity, a sound outlet, and a sound vent.

[0046] A sound-producing device is disposed in the receiving cavity by means of a support bracket. The sound-producing device, the support bracket, the first sidewall, and the second sidewall work together to divide the receiving cavity into an independent front cavity and a rear cavity.

[0047] The sound outlet is configured to connect the front cavity to the outside, and the sound vent is configured to connect the rear cavity to the outside.

[0048] This application discloses a type of smart glasses where, when assembling a waveguide sheet onto the frame, simply aligning the positioning slot with the positioning protrusion allows for precise positioning of the waveguide sheet on the frame, eliminating the need for complex adjustments and alignment. The positioning protrusion and positioning slot enable rapid and accurate positioning of the waveguide sheet during installation, simplifying the assembly process and improving assembly efficiency. Attached Figure Description

[0049] Figure 1 A schematic diagram of the structure of a smart glasses according to an embodiment of this application;

[0050] Figure 2 for Figure 1 A schematic diagram of the exploded structure of smart glasses;

[0051] Figure 3 for Figure 1 A schematic diagram of the smart glasses in the image, omitting part of the frame;

[0052] Figure 4 for Figure 1 A cross-sectional view of smart glasses;

[0053] Figure 5 This application provides a schematic diagram of the structure of smart glasses with a portion of the frame omitted.

[0054] Figure 6 for Figure 5 A magnified structural diagram of part A in the diagram;

[0055] Figure 7 for Figure 5 A schematic diagram of the enlarged structure of part B in the diagram;

[0056] Figure 8 A cross-sectional view of smart glasses according to another embodiment provided in this application;

[0057] Figure 9 for Figure 1 A schematic diagram of the structure of the smart glasses and the first extension lens;

[0058] Figure 10 for Figure 9 Schematic diagram of the exploded structure of the smart glasses and the first extension lens;

[0059] Figure 11 for Figure 10 A schematic diagram of the enlarged structure of part C in the diagram;

[0060] Figure 12 for Figure 9 A sectional view;

[0061] Figure 13 for Figure 1 A schematic diagram of the structure of the smart glasses and the second extension lens;

[0062] Figure 14 for Figure 13 Schematic diagram of the exploded structure of the smart glasses and the second extension lens;

[0063] Figure 15 for Figure 1 A structural diagram of the middle section of the eyeglass frame and nose pads;

[0064] Figure 16 for Figure 15 A schematic diagram showing the disassembled structure of the middle part of the frame and nose pads;

[0065] Figure 17 for Figure 16 A schematic diagram of the enlarged structure of part D in the diagram;

[0066] Figure 18 for Figure 16 A schematic diagram of the structure of the middle nasal bridge;

[0067] Figure 19 for Figure 15 A sectional view;

[0068] Figure 20 for Figure 1 A cross-sectional view of smart glasses;

[0069] Figure 21 for Figure 20 Schematic diagram of the optical engine module, optical engine housing, and optical support;

[0070] Figure 22 for Figure 21 Exploded structural diagram of the optical engine module, optical engine housing, and optical support;

[0071] Figure 23 for Figure 20 Schematic diagram of the optical support and waveguide plate in the middle;

[0072] Figure 24 for Figure 1 A schematic diagram of the omitted structure of the smart glasses;

[0073] Figure 25 for Figure 24 The structural diagram omitting the rotating shaft structure is shown in the image.

[0074] Figure 26 for Figure 1 A partial structural diagram of the central mirror arm and flexible circuit board;

[0075] Figure 27 for Figure 26 A schematic diagram of the housing structure with part of the temple omitted;

[0076] Figure 28 for Figure 1 A partial structural diagram of the central frame and flexible circuit board;

[0077] Figure 29 for Figure 1 An exploded view of the smart glasses and the audio structure.

[0078] Figure 30 for Figure 29 Cross-sectional view of the audio structure of smart glasses;

[0079] Figure 31 for Figure 29 Cross-sectional view of the audio structure of smart glasses;

[0080] Figure 32 for Figure 29 Cross-sectional view of the audio structure of smart glasses;

[0081] Figure 33 for Figure 29 A structural diagram omitting the back cover;

[0082] Figure 34 for Figure 33 A schematic diagram of the sound-producing device is omitted in the text.

[0083] Figure 35 for Figure 34 The structural diagram of the load-bearing support is omitted in the text.

[0084] Figure 36 for Figure 29 A schematic diagram of the structure of the load-bearing support.

[0085] The annotations in the figure are explained as follows:

[0086] 100. Smart glasses; 10. Frame; 101. Mounting chamber; 11. Rear frame; 111. Positioning protrusion; 12. Front frame; 13. Mounting slot; 14. Adhesive surface; 15. Excess adhesive surface; 16. Lens frame; 17. Bridging part; 171. Guide surface; 172. Second slot; 173. Snap-fit ​​groove; 18. First mating part; 181. Mating groove; 182. First slot; 19. Second mating part; 191. Limiting groove; 20. Waveguide sheet; 21. Positioning groove; 22. Extension part; 23. Connection 30. Snap-fit ​​structure; 31. Snap-fit ​​tongue; 32. Snap-fit ​​groove; 40. Temple; 41. Temple housing; 411. Movable cavity; 412. Mounting cavity; 413. Through hole; 414. Cable hole; 415. Partition; 416. End plate; 417. Cable passage; 42. Shielding part; 43. Electronic module; 44. Flexible circuit board; 45. Rotating shaft structure; 451. First pivot part; 452. Second pivot part; 46. Elastic member; 461. Abutting part; 462. Elastic element; 463. Abutting block;

[0087] 50. Extending mirror assembly; 51. Extending mirror; 52. Snap-fit ​​component; 521. Snap-fit ​​groove; 523. Main body; 524. Snap-fit ​​part; 525. Connecting groove; 526. Clearance opening; 527. Snap-fit ​​base; 528. Snap-fit ​​protrusion;

[0088] 70. Nose pad; 73. Connecting component; 731. First connecting part; 732. Second connecting part; 733. Locking block; 80. Optical engine module; 81. Optical engine housing; 811. Locking protrusion; 812. Light outlet; 82. Optical bracket; 821. Third slot; 822. First adhesive surface; 823. First adhesive overflow surface; 824. Positioning flange; 825. Light transmission port; 826. Adhesive dispensing port; 90. Audio mechanism; 91. Main body; 901. Front shell; 902. Rear cover; 903. Connecting section; 904. Arc-shaped section; 911. First side wall; 9111. Bottom wall; 9112. Top wall; 912. Second side wall; 9121. Inner side wall; 9122. Outer side wall ; 913, Receiving cavity; 9131, Front cavity; 9132, Rear cavity; 9133, Sound outlet; 9134, Sound leakage hole; 9135, Amplification channel; 914, Dustproof net; 915, First retaining wall; 916, Second retaining wall; 92, Sound-producing device; 93, Support bracket; 931, Installation area; 932, Connecting hole; 94, Snap-fit ​​structure; 941, Locking tongue; 942, Locking part; 943, Elastic arm; 95, Protruding edge; 96, Positioning groove; 97, Positioning protrusion. Detailed Implementation

[0089] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0090] It should be noted that when a component is said to be "connected" to another component, it can be directly connected to the other component or it can be connected to a component in between. When a component is said to be "set on" another component, it can be directly set on the other component or it may be set to a component in between.

[0091] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0092] like Figure 1 and Figure 8 As shown, this application provides a smart glasses 100, including a waveguide 20 and a frame 10. The frame 10 includes a rear frame 11 and a front frame 12, with the front frame 12 mounted on the rear frame 11. At least a portion of the outer edge of the waveguide 20 is located between the front frame 12 and the rear frame 11. One of the waveguide 20 and the frame 10 is provided with a positioning protrusion 111, and the other is provided with a positioning groove 21 that mates with the positioning protrusion 111.

[0093] When a portion of the outer edge of the waveguide 20 is located between the front frame 12 and the rear frame 11, it can be understood that the front frame 12 and the rear frame 11 form a half-frame structure; when the entire outer edge of the waveguide 20 is located between the front frame 12 and the rear frame 11, it can be understood that the front frame 12 and the rear frame 11 form a full-frame structure. Preferably, the front frame 12 and the rear frame 11 of this application are half-frame structures, such as... Figures 1 to 5 An example is shown where the front frame 12 and the rear frame 11 are semi-frame structures. Compared with a full-frame structure, the semi-frame structure can reduce the overall weight of the smart glasses, making them more convenient for users to wear, reducing wearing pressure and discomfort, and also appearing lighter in visual effect.

[0094] When assembling the waveguide piece 20 onto the lens frame 10, simply aligning the positioning groove 21 with the positioning protrusion 111 is sufficient to position the waveguide piece 20 on the lens frame 10, eliminating the need for complex adjustments and alignment operations. The positioning protrusion 111 and the positioning groove 21 enable rapid and accurate positioning of the waveguide piece 20 during installation, simplifying the assembly process and improving assembly efficiency.

[0095] In this embodiment, as Figures 1 to 7 As shown, the specific functions of the smart glasses 100 are not strictly limited and can be referenced from existing technologies, which will not be elaborated further here. For example, the smart glasses 100 integrates multiple functions, such as displaying information, navigation, and taking photos. The smart glasses 100 has two waveguide sheets 20, both of which are mounted on the frame 10. The waveguide sheets 20 are key components of the smart glasses 100, responsible for guiding image light to the user's eyes. Additionally, the smart glasses 100 includes two temples 40, both of which are mounted on the frame 10. The temples 40 can be connected to the frame 10 via screws, clips, or hinges.

[0096] In this embodiment, as Figures 1 to 6 As shown, when a user wears the smart glasses 100, the rear frame 11 is closer to the user's face than the front frame 12. The structure of the front frame 12 and the rear frame 11 is not strictly limited, as long as they can fix and support the waveguide sheet 20.

[0097] In this embodiment, as Figures 1 to 6 As shown, a mounting groove 13 for mounting the waveguide piece 20 is formed between the front frame 12 and the rear frame 11, so that the waveguide piece 20 can be embedded between the front frame 12 and the rear frame 11 to form a stable assembly structure. The front frame 12 and the rear frame 11 partially enclose the waveguide piece 20 to further fix the waveguide piece 20 and prevent it from shifting or falling off during use.

[0098] In this embodiment, as Figures 1 to 8 As shown, the front frame 12 and the rear frame 11 are fixed by snap-fit ​​and / or adhesive. For example, a snap-fit ​​structure 30 is provided between the front frame 12 and the rear frame 11, which facilitates the assembly and disassembly of the front frame 12 and the rear frame 11. The structure of the snap-fit ​​structure 30 can refer to the prior art; for example, the snap-fit ​​structure 30 includes a slot 32 and a tongue 31 that can be snapped into the slot 32, with the slot 32 and the tongue 31 respectively disposed on the front frame 12 and the rear frame 11. As another example, one of the front frame 12 and the rear frame 11 has an adhesive groove, and the other has a locking post. The locking post is snapped into the adhesive groove and fixed by applying adhesive to achieve the assembly of the front frame 12 and the rear frame 11.

[0099] In this embodiment, as Figures 1 to 6As shown, the waveguide 20 is fixed to the front frame 12 and the rear frame 11 by adhesive, which ensures the tight fit and stable connection between the waveguide 20 and the front frame 12 and the rear frame 11, and also enhances the stable connection between the front frame 12 and the rear frame 11.

[0100] In this embodiment, as Figures 1 to 6 As shown, at least one of the front frame 12 and the rear frame 11 has an adhesive surface 14, which is bonded to the waveguide sheet 20 by dispensing adhesive. The adhesive surface 14 is bonded to the waveguide sheet 20 to ensure the stability of the waveguide sheet 20 during installation and to prevent it from shifting during assembly or use.

[0101] In this embodiment, as Figures 1 to 6 As shown, at least one of the front frame 12 and the rear frame 11 has an adhesive overflow surface 15. The adhesive overflow surface 15 is spaced apart from the waveguide sheet 20, allowing excess adhesive from the waveguide sheet 20 during the dispensing process with the adhesive surface 14 to enter the adhesive overflow surface 15, preventing adhesive from overflowing to unwanted areas and affecting the assembly and performance of the smart glasses. The adhesive overflow surface 15 is used for further fixing the waveguide sheet 20 with the excess adhesive. This design not only enhances the connection strength between the waveguide sheet 20 and the frame but also makes the fixing process simpler and more efficient. Through the cooperation of the adhesive surface 14 and the adhesive overflow surface 15, a stable installation of the waveguide sheet 20 is achieved, while ensuring good display effects and a good user experience.

[0102] In this embodiment, as Figures 1 to 6 As shown, both the front frame 12 and the rear frame 11 have adhesive surfaces 14; the adhesive surfaces 14 on the front frame 12 and the rear frame 11 are located on opposite sides of the waveguide sheet 20, further enhancing the connection strength and stability between the waveguide sheet 20 and the frame. Through the dual support and fixation of the front frame 12 and the rear frame 11, the waveguide sheet 20 is less prone to displacement or deformation during installation and use. The method of fixing the waveguide sheet 20 between the front frame 12 and the rear frame 11 with adhesive simplifies the assembly process of the smart glasses 100, making the connection between the front frame 12 and the rear frame 11 simpler and more efficient.

[0103] In this embodiment, as Figures 1 to 6 As shown, the two sides of the waveguide sheet 20 are fixed to the front frame 12 and the rear frame 11 by adhesive, respectively. The connection strength between the front frame 12 and the rear frame 11 is significantly improved, thereby ensuring the structural stability and durability of the entire smart glasses 100.

[0104] In this embodiment, as Figures 5 to 7 As shown, the waveguide sheet 20 has an outwardly protruding extension 22, which is either a positioning protrusion 111 or a positioning groove 21 formed in the extension 22. The extension 22 ensures the integrity of the adhesive application at the edge of the waveguide sheet 20.

[0105] In this embodiment, as Figures 1 to 7 As shown, the positioning groove 21 is a hole structure penetrating the waveguide sheet 20, a recessed structure formed by the sidewall of the waveguide sheet 20, or a recessed structure formed by the back frame 11. The positioning protrusion 111 is integrally formed with the back frame 11 or the waveguide sheet 20 to enhance the structural strength of the positioning protrusion 111 and the back frame 11 or the waveguide sheet 20, and to reduce the processing difficulty of the positioning protrusion 111 and the back frame 11 or the waveguide sheet 20. Of course, in other embodiments, the positioning protrusion 111 can also be integrally formed with the front frame 12.

[0106] In this embodiment, as Figures 2 to 3 As shown, the number of positioning protrusions 111 and positioning slots 21 is not strictly limited; for example, the number of positioning protrusions 111 and positioning slots 21 can be 1, 2, 3, or 4. Multiple positioning slots 21 are spaced circumferentially around the waveguide sheet 20, and each positioning protrusion 111 can extend into its corresponding positioning slot 21. By increasing the number of positioning slots 21 and positioning protrusions 111 and arranging them circumferentially around the waveguide sheet 20, the stability and reliability of the waveguide sheet 20 assembly can be further improved. This design with multiple positioning slots 21 and multiple positioning protrusions 111 can prevent the waveguide sheet 20 from rotating or shifting during assembly, ensuring proper alignment and fixation with the front frame 12 and the rear frame 11. Of course, in other embodiments, such as... Figures 6 to 7 As shown, the waveguide 20 has two extensions 22, one of which has a positioning groove 21, and the other is a positioning protrusion 111; the rear frame 11 has a positioning groove 21 and a positioning protrusion 111. The positioning groove 21 on the waveguide 20 engages with the positioning protrusion 111 on the rear frame 11; the positioning groove 21 on the rear frame 11 engages with the positioning protrusion 111 on the waveguide 20.

[0107] like Figures 1 to 36 As shown, this application also provides a smart glasses 100, including a frame 10 and a waveguide 20. The frame 10 includes a rear frame 11 and a front frame 12 mounted on the rear frame 11. The outer edge of a portion of the waveguide 20 is positioned and mounted between the front frame 12 and the rear frame 11 so that the frame 10 wraps around the outer edge of the waveguide 20. In this case, along the outer edge direction of the waveguide 20, the area covered by the frame 10 around the outer edge of the waveguide 20 does not exceed two-thirds of its outer edge, so as to reduce the weight of the frame 10.

[0108] Compared to the waveguide 20 whose outer edge is completely covered by the frame 10, the waveguide 20 in this application has a portion of its outer edge covered by the frame 10. Due to the reduction of some frame material, it is lighter in weight. The lighter weight can reduce the burden on the bridge of the nose and ears, and improve the wearing comfort. The lower half of the waveguide 20 that is not covered by the frame 10 has less obstruction of the user's vision due to the absence of a frame, which can provide the user with a wider lower field of vision, allowing the user to focus more naturally on the fusion of the real world and virtual information.

[0109] In this embodiment, as Figures 1 to 36 As shown, the specific functions of the smart glasses 100 are not strictly limited and can be referenced from existing technologies, which will not be elaborated further here; for example, the smart glasses 100 integrates multiple functions, such as displaying information, navigation, and taking pictures. The smart glasses 100 contains at least one waveguide 20; the waveguide 20 is a key component of the smart glasses 100, responsible for guiding image light to the user's eyes.

[0110] In this embodiment, as Figures 1 to 36 As shown, the smart glasses 100 includes two temples 40, both of which are mounted on the frame 10. The temples 40 can be connected to the frame 10 by screws, clips, or hinges. The temples 40 are generally rod-shaped, giving them a lengthwise orientation. There are two temples 40, located on opposite sides of the frame 10. The temples 40 can rotate relative to the frame 10 to allow the smart glasses 100 to be in an unfolded or folded state. The ends of the temples 40 have holes for threading straps. By providing these holes, users can thread straps through them to secure the smart glasses 100. During use, the straps are fixed to the back of the user's head, reducing pressure on the ears and effectively preventing the smart glasses 100 from accidentally falling off, especially during sports, strenuous activity, or other special usage scenarios, thus improving the stability of the smart glasses 100. In other embodiments, a heart rate sensor is provided on the temple 40. The heart rate sensor can be integrally provided on the temple or detachably provided on the temple. Preferably, the heart rate sensor is provided at the tail of the temple 40.

[0111] In this embodiment, as Figures 1 to 36As shown, the frame 10 includes two lens holders 16 and a bridging portion 17 connecting the two lens holders 16; the two temples 40 are respectively mounted on the corresponding lens holders 16. The structure of the lens holders 16 is not strictly limited, as long as the lens holders 16 can support the waveguide sheet 20; for example, the lens holders 16 have a ring-shaped or semi-ring-shaped structure and are arranged around the outer periphery of the waveguide sheet 20. The structure of the bridging portion 17 is not strictly limited, as long as the bridging portion 17 connects the two lens holders 16; for example, the bridging portion 17 is roughly strip-shaped. One or more sensors can be installed on the bridging portion 17; for example, a geomagnetic sensor, an accelerometer, and a gyroscope can be installed in the bridging portion 17. The accelerometer and gyroscope are used to collect the acceleration and angular velocity information of the user's head, such as head acceleration and angular velocity, so that the wearer's movement posture and trajectory can be calculated; the geomagnetic sensor can detect the strength and direction of the Earth's magnetic field. During outdoor activities such as hiking, mountaineering, and cycling, the wearer can determine the direction of travel through the geomagnetic sensor on the smart glasses 100. In addition, an ultraviolet sensor can be installed on the surface of the bridging part 17. The ultraviolet sensor is used to monitor the intensity of ambient ultraviolet radiation and provide the wearer with ultraviolet protection reminders.

[0112] In this embodiment, as Figures 1 to 2 As shown, the frame 10 has a semi-frame structure; the bottom of the frame 10 is not covered by the waveguide sheet 20, so that the lens holder 16 in the frame 10 is approximately C-shaped. Preferably, along the outer edge direction of the waveguide sheet 20, the area covered by the frame 10 on the outer edge of the waveguide sheet 20 does not exceed half of its outer edge, which can reduce the weight of the frame 10 by at least 35%.

[0113] In this embodiment, as Figures 1 to 8 As shown, one of the waveguide sheet 20 and the lens frame 10 is provided with a positioning protrusion 111, and the other is provided with a positioning groove 21 that cooperates with the positioning protrusion 111. The structure of the lens frame 10 and the specific connection method between the lens frame 10 and the waveguide sheet 20 are as described in the above embodiments, and will not be further elaborated here.

[0114] In this embodiment, as Figures 9 to 14 As shown, the smart glasses 100 also includes at least one extension lens assembly 50, which includes an extension lens 51 and a snap-fit ​​member 52. The extension lens 51 can be snapped onto the frame 10 via the snap-fit ​​member 52. The smart glasses 100 and the extension lens assembly 50 can be designed separately, which can reduce maintenance costs and improve upgrade flexibility. Users can replace or upgrade the extension lens assembly 50 as needed without replacing the entire device. This design reduces material waste and can be customized for different functional requirements, improving the product's market adaptability.

[0115] In this embodiment, as Figures 9 to 12As shown, when the extender 51 is a light-blocking lens, the light-blocking lens is located on the front side of the frame 10 (referencing the user's perspective, i.e., the light-blocking lens is located on the side of the frame away from the user). In actual use, light-blocking lenses with different light transmittance can be replaced according to the ambient light to enhance the user experience.

[0116] In this embodiment, as Figures 13 to 15 As shown, when the extender 51 is a corrective lens, it can be positioned opposite the waveguide 20, enabling the smart glasses 100 to provide both vision correction and augmented reality or other visual assistance functions. Specifically, when the smart glasses 100 are augmented reality glasses, the corrective lens can be positioned inside the waveguide 20, allowing the user to see both the real-world environment and the augmented reality display clearly; alternatively, the corrective lens can be positioned outside the waveguide 20, allowing the user to see the real-world environment clearly.

[0117] In other embodiments, such as Figures 13 to 14 As shown, when there are two extension lens assemblies 50, one extension lens 51 is a light-blocking lens and the other extension lens 51 is a corrective lens. The light-blocking lens is located on the front side of the frame 10 and the corrective lens is located on the rear side of the frame 10.

[0118] In this embodiment, as Figures 9 to 14 As shown, the snap-fit ​​member 52 can snap onto the bridging portion 17. This eliminates the need for additional components on the smart glasses 100, allowing the bridging portion 17 to engage with the snap-fit ​​member 52, thus reducing the cost of the smart glasses 100. The extender lens 51 can be quickly and stably snapped onto the bridging portion 17 via the snap-fit ​​member 52, ensuring a stable mounting of the extender lens assembly 50 onto the smart glasses 100. This facilitates easy installation and removal of the extender lens 51 from the smart glasses 100 by the user. When the extender lens assembly 50 is mounted on the smart glasses 100, the force application point of the extender lens assembly 50 and the force-bearing point of the smart glasses 100 are concentrated in the middle, ensuring the stability of the smart glasses 100.

[0119] In this embodiment, as Figures 9 to 14 As shown, the shape of the snap-fit ​​member 52 is not strictly limited, as long as it can snap into and be fixed on the bridging part 17. The snap-fit ​​member 52 is made of a non-magnetic material to avoid interference with the geomagnetic sensor in the smart glasses 100. More preferably, the snap-fit ​​member 52 is made of a non-metallic material. Non-metallic materials help reduce the overall weight and improve wearing comfort, which is especially important for smart glasses 100 worn for extended periods. In addition, non-metallic materials have good elasticity and durability, making it easier for users to install or remove the extension lens 51, and also accommodating different sizes of bridging parts 17 to ensure a tight fit between the snap-fit ​​member 52 and the bridging part 17. For example, the snap-fit ​​member 52 can be made of plastic, rubber, etc.

[0120] In this embodiment, as Figures 9 to 12 As shown, the snap-fit ​​component 52 has a connecting groove 525, and part of the structure of the extender lens 51 is located within the connecting groove 525 and fixed by snap-fit ​​or adhesive. Preferably, the extender lens 51 can be fixed in the connecting groove 525 of the snap-fit ​​component 52 with adhesive, ensuring its stability and durability. This fixing method is both firm and concealed, and does not affect the appearance of the smart glasses 100. The snap-fit ​​component 52 has a clearance opening 526, which exposes the ultraviolet sensor located on the bridging portion 17; ensuring that the extender lens assembly 50 does not affect the normal operation of other functional modules.

[0121] In this embodiment, as Figures 9 to 12 As shown, the snap-fit ​​member 52 is generally C-shaped. The snap-fit ​​member 52 has a snap-fit ​​groove 521 that mates with the bridging portion 17, allowing the snap-fit ​​member 52 to snap onto the bridging portion 17. By applying force to the snap-fit ​​member 52 and deforming it, the bridging portion 17 can be removed from or inserted into the snap-fit ​​groove 521. The shape and size of the snap-fit ​​groove 521 match the bridging portion 17, ensuring that the snap-fit ​​member 52 is securely fixed to the bridging portion 17.

[0122] In this embodiment, as Figures 9 to 12 As shown, the wall of the snap-fit ​​groove 521 is roughly C-shaped. This design ensures structural stability, effectively preventing the expansion lens 51 from detaching from the bridging part 17, and facilitates the installation and removal of the expansion lens 51. Furthermore, this structure not only facilitates the entry and exit of the bridging part 17 but also provides a certain elastic pressure after snapping, ensuring a tight fit between the snap-fit ​​member 52 and the bridging part 17. The snap-fit ​​groove 521 has an opening for the bridging part 17 to enter and exit, with the opening facing away from the expansion lens 51. The C-shaped structure of the snap-fit ​​member 52 allows it to fit tightly against the bridging part 17 while providing an opening for the bridging part 17 to enter and exit.

[0123] In this embodiment, as Figures 9 to 12 As shown, the snap-fit ​​member 52 includes a main body 523 and two snap-fit ​​parts 524. The two snap-fit ​​parts 524 are located on both sides of the main body 523 and extend towards each other to form a snap-fit ​​groove 521 together with the main body 523. An opening for the bridging part 17 to enter and exit is formed between the two snap-fit ​​parts 524. The main body 523 serves as a supporting structure for the snap-fit ​​member 52 and has sufficient strength and rigidity to ensure the stable installation of the expansion lens assembly 50; the opening for the bridging part 17 to enter and exit is formed between the two snap-fit ​​parts 524.

[0124] In this embodiment, as Figures 9 to 12As shown, the bridging portion 17 has a guide surface 171 for guiding the snap-fit ​​portion 524 to engage. This design improves the accuracy and convenience of installation. The guide surface 171 can be designed as a slope or curved surface, etc., so as to guide the snap-fit ​​portion 524 to smoothly engage into the bridging portion 17 during the installation of the snap-fit ​​component 52. The addition of the guide surface 171 allows the user to easily complete the installation of the snap-fit ​​component 52 without precise alignment, greatly improving installation efficiency. There are two guide surfaces 171, located on opposite sides of the bridging portion 17, which can guide the snap-fit ​​portion 524 to smoothly engage into the bridging portion 17.

[0125] Of course, in other embodiments of this invention, such as Figures 13 to 14 As shown, the bridging portion 17 has a second slot 172, and the locking member 52 is locked into the second slot 172 to lock the extension lens 51 into the frame 10. In this way, no additional components are needed for the smart glasses 100 to lock the bridging portion 17 into the locking member 52, reducing the cost of the smart glasses 100. At least a portion of the locking member 52 can extend into and be locked into the second slot 172. Specifically, the locking member 52 includes a locking base 527 and a locking protrusion 528 located on one side of the locking base 527; the inner wall of the second slot 172 has a locking groove 173; when the locking base 527 extends into the second slot 172, the locking protrusion 528 can be locked into the locking groove 173 to confine the locking member 52 within the second slot 172. The snap-fit ​​base 527 is generally a block structure; the shape of the second snap-fit ​​groove 172 is approximately the same as that of the snap-fit ​​base 527 to prevent the snap-fit ​​base 527 from wobbling when it is located in the second snap-fit ​​groove 172. The snap-fit ​​protrusion 528 is generally a spherical crown structure to facilitate its entry into the snap-fit ​​groove 173 through the second snap-fit ​​groove 172; the shape of the snap-fit ​​groove 173 is approximately the same as that of the snap-fit ​​protrusion 528 to prevent the snap-fit ​​protrusion 528 from wobbling when it is located in the snap-fit ​​groove 173. There are two snap-fit ​​protrusions 528, located on opposite sides of the snap-fit ​​base 527. To allow the snap-fit ​​protrusion 528 to enter the snap-fit ​​groove 173 through the second snap-fit ​​groove 172, the snap-fit ​​protrusion 528 is spring-loaded onto the snap-fit ​​base 527. Specifically, the snap-fit ​​base 527 has an installation channel, and both snap-fit ​​protrusions 528 are located within the installation channel. A spring is provided between the two snap-fit ​​protrusions 528 or between the snap-fit ​​protrusions 528 and the installation channel. When the snap-fit ​​protrusions 528 pass through the second snap-fit ​​groove 172, the two snap-fit ​​protrusions 528 can compress the spring; when the snap-fit ​​protrusions 528 are located within the snap-fit ​​groove 173, the spring resets and drives the two snap-fit ​​protrusions 528 to be located within the snap-fit ​​groove 173.

[0126] In this embodiment, as Figures 15 to 19As shown, the smart glasses 100 also includes a nose pad 70, which is detachably snapped onto the frame 10 via a connecting member 73, thus enabling quick installation and removal of the nose pad 70. This design not only facilitates the user in replacing the nose pad 70 as needed but also improves the flexibility and practicality of the smart glasses 100. Specifically, the nose pad 70 is detachably snapped onto the bridge portion 17 via the connecting member 73.

[0127] In this embodiment, as Figures 15 to 19 As shown, the nose pad 70 has a generally V-shaped structure; the nose pad 70 includes a main body and two nose pad leaves (not shown) connected to the main body, and the first connecting part 731 of the connecting member 73 is fixed to the main body. The first connecting part 731 is fixed to the main body by means of adhesive, welding or screws; the two nose pad leaves are fixedly or movably connected to the main body. In other embodiments, a heart rate sensor is provided on the side of the nose pad near the nasal wing.

[0128] In this embodiment, as Figures 15 to 19 As shown, the eyeglass frame 10 includes a first mating portion 18 and a second mating portion 19; the connecting member 73 includes a first connecting portion 731 and a second connecting portion 732. The first connecting portion 731 is fixed to the nose pad 70 and can cooperate with the first mating portion 18 to restrict the nose pad 70 from moving relative to the eyeglass frame 10 in a first direction; the second connecting portion 732 is fixed to the first connecting portion 731 and can cooperate with the second mating portion 19 to restrict the nose pad 70 from moving relative to the eyeglass frame 10 in a second direction different from the first direction; by restricting the movement of the nose pad 70 in the first and second directions, the relative position of the nose pad 70 and the eyeglass frame 10 can be fixed. The first and second directions can be perpendicular.

[0129] In this embodiment, as Figures 15 to 19 As shown, the second connecting portion 732 can slide along the first direction with the second mating portion 19; when the second connecting portion 732 slides to a predetermined position, the first connecting portion 731 engages with the first mating portion 18 to restrict the sliding of the second connecting portion 732. The first connecting portion 731 can move along the first direction with the second connecting portion 732, and has a locked state and an unlocked state in the first direction, engaging with the first mating portion 18; in the locked state, the first connecting portion 731 can engage with the first mating portion 18, and in the unlocked state, the first connecting portion 731 can move with the second connecting portion 732.

[0130] In this embodiment, as Figures 15 to 19As shown, the first connecting portion 731 and the second connecting portion 732 are arranged along the second direction; the nose pad 70, the first connecting portion 731, and the second connecting portion 732 are arranged along the second direction to make the structure of the nose pad 70 and the connecting member 73 more compact. The first connecting portion 731 and the second connecting portion 732 are both block-shaped structures; the first connecting portion 731 and the second connecting portion 732 can be integrally arranged.

[0131] In this embodiment, as Figures 15 to 19 As shown, the first mating part 18 includes a mating groove 181, and the first connecting part 731 can be located within the mating groove 181 and engage with the mating groove 181. In the locked state, the first connecting part 731 can engage with the mating groove 181 to restrict the movement of the first connecting part 731; in the unlocked state, the first connecting part 731 can be in an unengaged state with the mating groove 181 to move with the second connecting part 732.

[0132] In this embodiment, as Figures 15 to 19 As shown, of the inner wall of the mating groove 181 and the first connecting part 731, one is provided with a locking block 733, and the other is provided with a first locking groove 182. The locking block 733 can engage with the first locking groove 182. When the nose pad 70 is installed on the frame 10, the first connecting part 731 moves along the first direction with the second connecting part 732 until the locking block 733 engages with the first locking groove 182, at which time the movement of the first connecting part 731 in the first direction is restricted. When the nose pad 70 is removed from the frame 10, the first connecting part 731 moves along the first direction with the second connecting part 732 until the locking block 733 disengages from the first locking groove 182, at which time the movement of the first connecting part 731 in the first direction is released.

[0133] In this embodiment, as Figures 15 to 19 As shown, of the inner wall of the limiting groove 191 and the second connecting part 732, one is provided with a locking block 733, and the other is provided with a first locking groove 182. The locking block 733 can engage with the first locking groove 182. When the nose pad 70 is installed on the frame 10, the first connecting part 731 moves along the first direction with the second connecting part 732 until the locking block 733 engages with the first locking groove 182, at which time the movement of the second connecting part 732 in the first direction is restricted. When the nose pad 70 is removed from the frame 10, the first connecting part 731 moves along the first direction with the second connecting part 732 until the locking block 733 disengages from the first locking groove 182, at which time the movement of the second connecting part 732 in the first direction is released.

[0134] In this embodiment, as Figures 15 to 19As shown, there are two locking blocks 733, which are respectively disposed on opposite sides of the first connecting part 731 or the second connecting part 732; there are two first slots 182, which are respectively disposed on opposite side walls of the mating groove 181 or the limiting groove 191; the two locking blocks 733 can respectively engage with the corresponding two first slots 182. When the nose pad 70 is installed on the frame 10, the two locking blocks 733 are arranged along the second direction; the two first slots 182 are arranged along the second direction. Specifically, the side wall of the mating groove 181 or the limiting groove 191 is partially recessed to form the first slot 182; the first connecting part 731 or the second connecting part 732 is partially protruding to form the locking block 733.

[0135] In this embodiment, as Figures 15 to 19 As shown, the mating groove 181 is open on the inside and bottom of the frame 10; when the first connecting part 731 is located in the mating groove 181, the first connecting part 731 is flush with the frame 10; the first connecting part 731 does not protrude from the frame 10, making the smart glasses 100 look more beautiful.

[0136] In this embodiment, as Figures 15 to 19 As shown, the second mating part 19 is a limiting groove 191 extending along the first direction. The second connecting part 732 can be located in the limiting groove 191 and can slide along the limiting groove 191 to facilitate the assembly and disassembly of the second connecting part 732 and the second mating part 19, thereby facilitating the assembly and disassembly of the nose pad 70 and the frame 10.

[0137] In this embodiment, as Figures 15 to 19 As shown, the limiting groove 191 extends upward from the bottom of the frame 10 and opens at the bottom of the frame 10. When wearing the smart glasses 100, the frame 10 will exert a downward force on the nose pad 70. The limiting groove 191 is open at the bottom of the frame 10, which can prevent the nose pad 70 from falling off the limiting groove 191 under force, making the installation of the nose pad 70 more stable.

[0138] In this embodiment, as Figures 15 to 19 As shown, the limiting groove 191 and the mating groove 181 are interconnected; the limiting groove 191 and the mating groove 181 are arranged along the second direction. Along the second direction, the width of the mating groove 181 is smaller than the width of the limiting groove 191; this makes the second connecting part 732 have better stability and firmness within the limiting groove 191, preventing it from falling off from one side of the mating groove 181 during use.

[0139] The following describes the specific process of assembling and disassembling the nose pad 70 and the frame 10:

[0140] When the nose pad 70 is installed onto the frame 10, a force is applied to the nose pad 70, and the second connecting part 732 slides along the limiting groove 191, with the sliding path along the first direction; the first connecting part 731 moves along the first direction with the second connecting part 732; until the locking block 733 engages with the first locking groove 182, at which point the movement of the first connecting part 731 and the second connecting part 732 stops, so that the nose pad 70 can be installed onto the frame 10;

[0141] When the nose pad 70 is removed from the frame 10, an action is applied to the nose pad 70 to first separate the locking block 733 from the first locking groove 182. The first connecting part 731 slides along the mating groove 181 and the second connecting part 732 slides along the limiting groove 191 until the first connecting part 731 slides out of the mating groove 181 and the second connecting part 732 slides out of the limiting groove 191. At this time, the nose pad 70 is removed from the frame 10.

[0142] In this embodiment, as Figures 20 to 23 As shown, the smart glasses 100 also includes an optical engine housing 81 and an optical bracket 82. The optical engine housing 81 is disposed within the frame 10 and is used to fix the optical engine module 80. The optical engine housing 81 is mounted on the waveguide plate 20 via the optical bracket 82. The waveguide plate 20 has an optical coupling entry area and an optical coupling exit area. The optical engine module 80 includes a display device and a lens group. The light beam emitted from the display device is shaped by the lens group and then enters the optical coupling entry area of ​​the waveguide plate 20. The light beam coupled into the waveguide plate 20 through the optical coupling entry area is transmitted in the form of total internal reflection within the waveguide, and then coupled out through the optical coupling exit area to the human eye.

[0143] The detachable connection between the optical bracket 82 and the optomechanical housing 81 enables quick-release between the waveguide 20 and the optomechanical housing 81, facilitating replacement of either the waveguide 20 or the optomechanical housing 81 and reducing maintenance costs and complexity. Furthermore, the optical bracket 82 has a simple structure, allowing for the replacement of the optical bracket with the appropriate tilt angle during production, avoiding the need to replace the expensive and complex optomechanical housing 81 and further reducing production costs. In addition, for smart glasses products without a specific forward tilt angle design, the optomechanical housing 81 along with the internal optomechanical module can be directly used; only the optical bracket 82 needs to be removed, eliminating the need to redesign the optomechanical module and the optomechanical housing 81.

[0144] In this embodiment, as Figures 20 to 23 As shown, the frame 10 has a mounting chamber 101, and the optical engine housing 81 is located inside the mounting chamber 101. The optical engine housing 81 is directly embedded into the interior of the frame 10 without being exposed, making the structure of the smart glasses 100 more compact and its appearance more aesthetically pleasing. In other embodiments, to further ensure the secure installation of the optical engine housing 81, it can be bonded to the mounting chamber 101.

[0145] In this embodiment, as Figures 20 to 23 As shown, the optical bracket 82 is snapped into the optical engine housing 81. This design makes the connection between the optical bracket 82 and the optical engine housing 81 more secure and reliable, while also facilitating disassembly and replacement by the user. Specifically, one of the optical bracket 82 and the optical engine housing 81 is provided with a snap-fit ​​protrusion 811, and the other is provided with a third slot 821 that snaps into the snap-fit ​​protrusion 811. For example, the optical bracket 82 is provided with a third slot 821, and the optical engine housing 81 is provided with a snap-fit ​​protrusion 811.

[0146] In this embodiment, as Figures 20 to 23 As shown, the optical engine housing 81 has a light-emitting port 812, and the optical bracket 82 has a light-transmitting port 825 communicating with the light-emitting port 812. At least a portion of the optical engine housing 81 extends into the light-transmitting port 825, which ensures a stable connection between the optical bracket 82 and the optical engine housing 81. Furthermore, it can prevent unnecessary displacement or shaking of the optical bracket 82 and the optical engine housing 81 during use, further ensuring the optical performance and overall structural stability of the smart glasses 100. During assembly, simply align the optical engine housing 81 with the light-transmitting port 825 of the optical bracket 82, and then push the optical engine housing 81 or the optical bracket 82, causing the optical engine housing 81 to move along the light-transmitting port 825 until the engaging protrusion 811 engages with the third slot 821, thus completing the connection. The operation is simple and quick, requiring no complex tools or professional skills. In the optical-mechanical module 80, the light beam emitted from the display device is shaped by the lens group and then passes through the light outlet 812 and the light transmission port 825 before entering the optical coupling area of ​​the waveguide plate 20.

[0147] In this embodiment, as Figures 20 to 23 As shown, the optical bracket 82 has a first adhesive surface 822, which is fixed to the waveguide sheet 20 by dispensing adhesive. The first adhesive surface 822 adheres to the waveguide sheet 20, ensuring the stability of the waveguide sheet 20 during installation and preventing displacement during assembly or use. The optical bracket 82 is located between the waveguide sheet 20 and the optomechanical housing 81. The optical bracket 82 is provided with a dispensing port 826, which facilitates further fixation by dispensing adhesive between the first adhesive surface 822 and the waveguide sheet 20 after initial positioning of the waveguide sheet 20 on the first adhesive surface 822.

[0148] In this embodiment, as Figures 20 to 23As shown, the optical bracket 82 also has a first adhesive overflow surface 823. The first adhesive overflow surface 823 is spaced apart from the waveguide sheet 20 to receive excess adhesive during the dispensing and assembly process between the waveguide sheet 20 and the first adhesive surface 822, preventing adhesive from overflowing into unwanted areas and affecting the assembly and performance of the smart glasses 100. The first adhesive overflow surface 823 is used to further fix the waveguide sheet 20 with any excess adhesive. This design not only enhances the connection strength between the waveguide sheet 20 and the optical bracket 82 but also makes the fixing process simpler and more efficient. Through the cooperation of the first adhesive surface 822 and the first adhesive overflow surface 823, a stable installation of the waveguide sheet 20 is achieved, while ensuring good display effects and user experience.

[0149] In this embodiment, as Figures 20 to 23 As shown, the first adhesive surface 822 is inclined so that the forward tilt angle of the smart glasses 100 is 2 to 10 degrees. By adjusting the forward tilt angle of the smart glasses 100, the user can be more comfortable when wearing the smart glasses 100 and reduce visual fatigue and discomfort caused by an excessively large or small forward tilt angle.

[0150] In this embodiment, as Figures 20 to 23 As shown, the angle between the first adhesive surface 822 and the vertical direction is 2 to 10 degrees, or the angle between the first adhesive surface 822 and the length direction of the temple 40 is 80 to 88 degrees. This angle range allows the smart glasses 100 to have a forward tilt angle of 2 to 10 degrees, thus meeting the needs of different users for wearing comfort and visual experience. For example, Figure 2 As shown, the angle between the first adhesive surface 822 and the vertical direction is a, and the angle between the first adhesive surface 822 and the length direction of the temple 40 is b.

[0151] Preferably, the angle between the first adhesive surface 822 and the vertical direction is 2 to 8 degrees, or the angle between the first adhesive surface 822 and the extending direction of the temple 40 is 82 to 88 degrees, so that the forward tilt angle of the smart glasses 100 is 2 to 8 degrees. This angle range has been proven to provide users with optimal visual effects and wearing comfort in most usage scenarios. More preferably, the angle between the first adhesive surface 822 and the vertical direction is 2 to 6 degrees, or the angle between the first adhesive surface 822 and the extending direction of the temple 40 is 84 to 88 degrees, so that the forward tilt angle of the smart glasses 100 is 2 to 6 degrees. Specifically, the angle between the first adhesive surface 822 and the vertical direction can be 2°, 3°, 4°, 5°, 6°, or any range of two values.

[0152] In this embodiment, as Figures 20 to 23As shown, the waveguide 20 has a connecting portion 23, which is fixed to the first adhesive surface 822. The optical support 82 includes a positioning flange 824 located on the outer periphery of the connecting portion 23 to position the waveguide 20 relative to the optical support 82. The optical coupling entry area of ​​the waveguide 20 is located on the connecting portion 23, corresponding to the light-transmitting port 825 on the optical support 82. During assembly, the positioning flange 824 accurately positions the waveguide 20 and the optical support 82, ensuring the waveguide 20 is correctly installed in the predetermined position. Then, the connecting portion 23 is tightly fitted and fixed to the first adhesive surface 822, and the connection is secured by dispensing adhesive to ensure a strong connection. The dispensing port 826 is located on the positioning flange 824. In some embodiments, the light outlet 812 of the optical engine housing 81 is generally disposed on one side of the waveguide 20. In order for the waveguide 20 to receive the light beam emitted by the display device in the optical engine module, the waveguide 20 may extend a connecting portion 23 to receive the light beam from the display device through the connecting portion 23.

[0153] In this embodiment, as Figures 20 to 23 As shown, the connecting part 23 is located on the outer edge of the waveguide sheet 20 and protrudes outward. The height of the positioning flange 824 is higher than that of the first adhesive surface 822, and it is roughly flush with the side of the waveguide sheet 20 facing away from the first adhesive surface 822.

[0154] In this embodiment, as Figures 24 to 28 As shown, the temple 40 is provided with a mounting cavity 412 for accommodating the electronic module 43 and a through hole 413 communicating with the mounting cavity 412; the smart glasses 100 also includes a flexible circuit board 44, which passes through the through hole 413 and is connected to the through hole 413 by adhesive sealing so as to be electrically connected to the electronic module in the mounting cavity 412.

[0155] The adhesive seal between the through-hole 413 and the flexible circuit board 44 effectively blocks external moisture, preventing it from seeping into the mounting cavity 412 and ensuring the normal operation of the electronic module 43. Specifically, the flexible circuit board 44 passes through the through-hole 413, and the sealed fit between the two effectively prevents moisture from entering the mounting cavity 412 along the gaps in the through-holes on the flexible circuit board 44 or the temple 40. The through-hole 413 not only ensures the normal connection of the circuit but also prevents short circuits or damage caused by moisture intrusion, achieving excellent waterproof performance. This greatly enhances the practicality and durability of the smart glasses 100, providing users with a more convenient and safer wearing experience.

[0156] In this embodiment, as Figures 24 to 28As shown, both the electronic module 43 and the flexible circuit board 44 can adopt existing technological structures. For example, the electronic module 43 may include electronic components such as a microphone, speaker, battery, processor, memory, sensor, communication module, and electronic buttons; the flexible circuit board 44 is an FPC, used to realize data transmission and functional control of the electronic module 43. A battery is installed inside the temple 40, and the battery supplies power to the optomechanical module 80 and the electronic module 43 through the flexible circuit board 44.

[0157] In this embodiment, as Figures 24 to 28 As shown, the temple 40 includes a temple housing 41, and a through hole 413 and a mounting cavity 412 are both formed within the temple housing 41. The diameter of the through hole 413 is designed to allow the flexible circuit board 44 to pass through while minimizing the area of ​​connection with the outside world.

[0158] In this embodiment, as Figures 24 to 28 As shown, the smart glasses 100 also includes a pivot structure 45, which connects the frame 10 and the temples 40, allowing the temples 40 to rotate relative to the frame 10. When the temples 40 rotate relative to the frame 10, the smart glasses 100 can be in an unfolded state and a folded state. There are two temples 40, which are located on both sides of the frame 10.

[0159] The flexible circuit board 44 passes through the pivot structure 45. The pivot structure 45 includes a first pivot portion 451 and a second pivot portion 452 that are rotatably engaged. One of the first pivot portion 451 and the second pivot portion 452 is fixed to the frame 10, and the other is fixed to the temple 40. Specifically, both the first pivot portion 451 and the second pivot portion 452 are provided with pin holes. A pin passes through the pin holes on the first pivot portion 451 and the second pivot portion 452 in sequence, so that the first pivot portion 451 and the second pivot portion 452 are rotatably engaged. A wire-passing gap is provided between the first pivot portion 451 and the second pivot portion 452 for the flexible circuit board 44 to pass through, which can cooperate with the shielding portion 42 to prevent the flexible circuit board 44 from being exposed.

[0160] In this embodiment, as Figures 24 to 28 As shown, a shielding part 42 is also provided between the frame 10 and the temple 40. When the temple 40 rotates relative to the frame 10, the shielding part 42 always shields the flexible circuit board 44 so that the flexible circuit board 44 is not exposed, and the smart glasses 100 is more aesthetically pleasing.

[0161] In this embodiment, as Figures 24 to 28As shown, the shielding part 42 is installed on the temple 40 and can extend into the frame 10; when the smart glasses 100 is in the unfolded state, the shielding part 42 can extend into the frame 10. The shielding part 42 is arc-shaped; the frame 10 has an arc-shaped groove that mates with the shielding part 42, so that when the temple 40 rotates relative to the frame 10, the shielding part 42 does not occupy too much space inside the frame 10.

[0162] In this embodiment, as Figures 24 to 28 As shown, the shielding part 42 is integrally disposed on the temple 40 to make the structure of the shielding part 42 and the temple 40 more robust and to reduce the manufacturing difficulty of the shielding part 42 and the temple 40. Specifically, the shielding part 42 is integrally disposed on the end plate 416 of the temple 40. The shielding part 42 is located on the outside of the pivot structure 45 and forms a partial wire passage 417 between itself and the wire passage gap of the pivot structure 45.

[0163] In this embodiment, as Figures 24 to 28 As shown, one of the frame 10 and the temple 40 is provided with an elastic member 46, and the other is provided with an abutment part 461 that can cooperate with the elastic member 46; the elastic member 46 is located outside the rotation axis of the frame 10 and the temple 40. The elastic member 46 is provided for limiting and can control the opening and closing angle between the temple 40 and the frame 10, that is, adjust the distance between the two temples 40, expand the range of users, and at the same time provide resistance to increase the clamping force on the head, so that the temple 40 fits the user's head, making the user wear the smart glasses 100 more securely and improving the reliability of use.

[0164] In this embodiment, as Figures 24 to 28 As shown, the elastic member 46 includes an abutment block 463, which is movably attached to the frame 10 or temple 40 via an elastic member 462, so as to engage with the abutment portion 461. The abutment block 463 is disposed on the temple 40, and the abutment portion 461 is disposed on the frame 10. Specifically, an arc-shaped groove that engages with the blocking portion 42 is provided on the abutment portion 461. The abutment portion 461 can be integrally formed with the frame 10 or separately disposed from the frame 10. When the abutment portion 461 is separately disposed from the frame 10, the abutment portion 461 is detachably connected to the frame 10. The abutment portion 461 is located between the frame 10 and the temple 40. The abutment portion 461 has an arc-shaped groove communicating with the mounting chamber 101 of the frame 10. The blocking portion 42 is slidably connected to the arc-shaped groove. The blocking portion 42 slides along the arc-shaped groove, improving the sliding accuracy along a preset direction and preventing slippage.

[0165] In this embodiment, as Figures 24 to 28 As shown, the temple 40 also has a movable cavity 411, and the elastic element 462 is installed in the movable cavity 411; one end of the abutment block 463 is connected to the elastic element 462, and the other end extends out of the movable cavity 411.

[0166] In this embodiment, as Figures 24 to 28 As shown, the temple 40 is further provided with a partition 415 and an end plate 416. The partition 415 divides the space inside the temple 40 into a movable cavity 411 and a mounting cavity 412. A through hole 413 is located on the partition 415. The end plate 416 is disposed opposite to the partition 415. The movable cavity 411 is located between the end plate 416 and the partition 415. The end plate 416 is provided with a wire hole 414 for the flexible circuit board 44 to pass through, and has an opening for the sliding of the abutment block 463. The temple 40 includes a front shell 901 and a rear cover 902 that snap together. The side closer to the face is the front shell 901, and the side farther from the face is the rear cover 902. In this embodiment, the end plate 416 and the rear cover 902 are integrally formed.

[0167] In this embodiment, as Figures 24 to 28 As shown, the movable cavity 411 and the mounting cavity 412 are arranged sequentially along the length of the temple, and the movable cavity 411 is closer to the frame 10 than the mounting cavity 412, so that the layout of the movable cavity 411 and the mounting cavity 412 can be more reasonable. The through hole 413 and the wire hole 414 are located on both sides of the movable cavity 411, and the movable cavity 411 is connected to the wire hole 414 through the through hole 413; a wire passage 417 is formed between the through hole 413 and the wire hole 414 for the flexible circuit board 44 to pass through the temple 40.

[0168] In this embodiment, as Figures 29 to 36 As shown, the smart glasses 100 also includes an audio mechanism 90, which is mounted on the temple 40. The audio mechanism 90 includes a main body 91 and a sound-producing device 92. The main body 91 is the temple 40. The main body 91 includes two first sidewalls 911 arranged opposite each other and two second sidewalls 912 connected between the two first sidewalls 911 and arranged opposite each other. The main body 91 has a receiving cavity 913, a sound outlet 9133, and a sound venting hole 9134. The sound-producing device 92 is disposed in the receiving cavity 913 by a support bracket 93. The sound-producing device 92, the support bracket 93, the first sidewalls 911, and the second sidewalls 912 work together to divide the receiving cavity 913 into a front cavity 9131 and a rear cavity 9132 that are independent of each other. The sound outlet 9133 is configured to allow the front cavity 9131 to communicate with the outside, and the sound venting hole 9134 is configured to allow the rear cavity 9132 to communicate with the outside.

[0169] When assembling the sound-producing device 92 into the main body 91, the sound-producing device 92 and the support bracket 93 can be assembled first, and then the sound-producing device 92 and the support bracket 93 can be assembled together into the main body 91. That is, the sound-producing device 92 and the support bracket 93 are assembled as a whole structure to form an audio mechanism. This audio mechanism can be quickly installed into the main body 91, thereby improving the assembly efficiency of the audio mechanism and reducing the dependence on the internal structure of the main body 91, making it convenient for the audio mechanism to be installed in different smart glasses products.

[0170] In this embodiment, as Figures 29 to 36 As shown, the cross-sectional outer contour of the main body 91 is not strictly limited; for example, the cross-sectional outer contour of the main body 91 can be rectangular, elliptical, or irregular. The two first sidewalls 911 are the bottom wall 9111 and the top wall 9112, respectively; the two second sidewalls 912 are the inner sidewall 9121 and the outer sidewall 9122, respectively. Regardless of the shape of the cross-section of the main body 91, the side facing the user's ear can always be defined as the bottom wall 9111, the side away from the user's ear as the top wall 9112, the side facing the user's head as the inner sidewall 9121, and the side away from the user's head as the outer sidewall 9122.

[0171] In this embodiment, as Figures 29 to 36 As shown, the main body 91 is provided with a first baffle 915 and a second baffle 916 along its length. The first baffle 915, the second baffle 916, and the first sidewall 911 and the second sidewall 912 of the main body 91 form a closed receiving cavity 913, and the supporting bracket 93 is disposed within the receiving cavity 913. That is, the first baffle 915 and the second baffle 916 divide the mounting cavity 412 into three chambers. The chamber between the first baffle 915 and the partition 415 is the mounting cavity 412, which houses the electronic module 43. The chamber between the first baffle 915 and the second baffle 916 is the receiving cavity 913. The chamber between the second baffle 916 and the tail of the main body 91 is the tail cavity.

[0172] In this embodiment, as Figures 29 to 36 As shown, the main body 91 includes a front shell 901 and a rear cover 902; the rear cover 902 is located on the side of the main body 91 closer to the user's head relative to the shell. The rear cover 902 includes an inner sidewall 9121; the front shell 901 includes a top wall 9112, a bottom wall 9111, and an outer sidewall 9122. The side of the front shell 901 facing the rear cover 902 is an installation space with an opening. The rear cover 902 covers and seals the opening side of the front shell 901, and together with the front shell 901, the first baffle 915, and the second baffle 916, forms a receiving cavity 913. The front shell 901 and the rear cover 902 can be sealed together by means of snap-fit, adhesive, welding, screws, etc., to improve the overall waterproofness of the audio mechanism 90.

[0173] In this embodiment, as Figures 29 to 36 As shown, the main body 91 is positioned on the user's ear, and can be divided into two sections. Specifically, the main body 91 includes a connecting section 903 and an arc-shaped section 904; wherein, the connecting section 903 is roughly strip-shaped and located in front of the user's ear; the arc-shaped section 904 is located above the user's ear.

[0174] In this embodiment, as Figures 29 to 36 As shown, when the support bracket 93 and the sound-producing device 92 are located within the main body 91, the front cavity 9131 and the rear cavity 9132 are not interconnected. The front cavity 9131 and the rear cavity 9132 are respectively located on both sides of the width of the main body 91 (i.e., in the direction from the outer side wall 9122 to the inner side wall 9121). The front cavity 9131 is located on the side closer to the outer side wall 9122, and the rear cavity 9132 is located on the side closer to the inner side wall 9121. Of course, in other embodiments, the front cavity 9131 may also be located on the side closer to the inner side wall 9121, and the rear cavity 9132 may also be located on the side closer to the outer side wall 9122.

[0175] In this embodiment, as Figures 29 to 36 As shown, the sound outlet 9133 and the sound vent 9134 are located on opposite sides of the main body 91. The first sound wave emitted from the front cavity 9131 enters the user's ear through the sound outlet 9133 and is heard by the user. The second sound wave emitted from the rear cavity 9132 radiates to the outside through the sound vent 9134 and cancels out the phase of the first sound wave in the outside world, which can reduce sound leakage and improve the sound effect. Specifically, the sound outlet 9133 is opened in the bottom wall 9111 and close to the user's ear, reducing the distance between the sound outlet and the ear, so that the sound flowing out of the sound outlet can be directly transmitted to the ear, ensuring sound transmission so that the user can clearly hear the sound emitted from the front cavity 9131; the sound vent 9134 is opened in the top wall 9112.

[0176] In this embodiment, as Figures 29 to 36 As shown, the sound outlet 9133 is generally elongated and integrated at the junction of the end of the connecting section 903 and the beginning of the arc-shaped section 904. The sound outlet 9133 extends longitudinally along the length of the main body 91, spanning the transition area from the connecting section 903 to the arc-shaped section 904, ensuring sound transmission while optimizing wearing comfort and privacy. In other embodiments, the sound outlet 9133 may be located on the arc-shaped section 904 and adjacent to the connecting section 903; when the user wears the audio mechanism 90, the sound outlet 9133 is oriented towards the ear canal so that the user can clearly hear the sound from the sound outlet 9133. The sound vent 9134 is generally elongated and can be located on the connecting section 903 and adjacent to the arc-shaped section 904. Both the sound outlet 9133 and the sound vent 9134 are equipped with dustproof mesh 914 to prevent dust from entering the receiving cavity 913.

[0177] In this embodiment, as Figures 29 to 36 As shown, a sound amplification channel 9135 is provided between the front cavity 9131 and the sound outlet 9133. The volume of the sound amplification channel 9135 gradually increases from the front cavity 9131 to the sound outlet 9133 to amplify the sound and improve the user's listening experience. The inner wall of the sound amplification channel 9135 is smoothed to reduce sound loss during propagation. To form the sound amplification channel 9135, in one embodiment, along the direction from the front cavity 9131 to the sound outlet 9133, a portion of the support bracket 93 gradually moves away from the inner wall of the main body 91, so that the sound amplification channel 9135 is formed between the support bracket 93 and the inner wall of the main body 91.

[0178] In this embodiment, as Figures 29 to 36 As shown, the sound-producing device 92 can be a loudspeaker. The sound-producing device 92 is located in the connecting section 903 and adjacent to the arc-shaped section 904 to shorten the distance between the sound-producing device 92 and the user's ear, thus reducing sound loss. The sound-producing device 92 can be vertically installed inside the main body 91, meaning the plane containing the diaphragm inside the sound-producing device 92 is positioned opposite to the inner sidewall 9121 and the outer sidewall 9122 of the main body 91. The sound-producing side of the sound-producing device 92 faces the front cavity 9131 to ensure that the sound from the sound-producing device 92 is transmitted through the sound outlet 9133.

[0179] In this embodiment, as Figures 29 to 36 As shown, the support bracket 93 has a mounting area 931 and a connecting hole 932. The sound-producing device 92 is mounted in the mounting area 931. The connecting hole 932 penetrates the support bracket 93, allowing the sound-producing device 92 to communicate with the front cavity 9131 through the connecting hole 932. That is to say, the sound-producing device 92 is located in the rear cavity 9132. The sound generated by the sound-producing device 92 can be smoothly transmitted from the connecting hole 932 to the front cavity 9131, and then transmitted to the outside through the sound outlet 9133.

[0180] In this embodiment, as Figures 29 to 36 As shown, the support bracket 93 is recessed on the side facing the rear cavity 9132 to form a mounting area 931; at least a portion of the sound-producing device 92 is mounted within the mounting area 931. The sound-producing device 92 can be fixed to the support bracket 93 by adhesive bonding to enhance the connection strength between the sound-producing device 92 and the support bracket 93. A connecting hole 932 is located at the bottom of the mounting area 931 to expose the side of the sound-producing device 92 facing the front cavity 9131, ensuring that the sound of the sound-producing device 92 is smoothly transmitted to the front cavity 9131 through the connecting hole 932.

[0181] In this embodiment, as Figures 29 to 36As shown, the support bracket 93 is bonded between the first sidewall 911 and the second sidewall 912 to enhance the connection strength between the support bracket 93 and the main body 91. The sound-producing device 92 is installed within the installation area 931, and the sound-producing device 92, support bracket 93, first sidewall 911, and second sidewall 912 together form the front cavity 9131 or rear cavity 9132.

[0182] In this embodiment, as Figures 29 to 36 As shown, a protruding edge 95 is provided between the first sidewall 911 and the second sidewall 912 of the main body 91, and the support bracket 93 can be bonded to the protruding edge 95. The protruding edge 95 can support the support bracket 93 and also help to further fix the position of the support bracket 93, improving the overall stability of the audio mechanism 90. When the support bracket 93 is installed in place, the protruding edge 95 can support and limit the support bracket 93, preventing the support bracket 93 from shaking within the main body 91, and ensuring the stability and reliability of the audio mechanism 90. Specifically, the inner wall of the outer sidewall 9122 of the main body 91 has protruding edges 95 that are continuously or intermittently arranged along the support bracket 93, and the support bracket 93 can abut against the protruding edge 95 and be bonded to the protruding edge 95.

[0183] In this embodiment, as Figures 29 to 36 As shown, the audio mechanism 90 also includes a snap-fit ​​structure 94 to secure the support bracket 93 to the main body 91. When assembling the support bracket 93 into the main body 91, the support bracket 93 is snapped and fixed to the main body 91 by the snap-fit ​​structure 94, and then glued in place. This not only simplifies the assembly process of the support bracket 93 but also greatly improves the stability and durability of the overall structure. It also avoids component loosening due to prolonged use or external environmental factors, ensuring continuous, stable, and reliable audio output. The number of snap-fit ​​structures 94 can be one, two, three, four, or more; multiple sets of snap-fit ​​structures 94 are spaced apart circumferentially along the support bracket 93.

[0184] In this embodiment, as Figures 29 to 36 As shown, the snap-fit ​​structure 94 includes a locking tongue 941 and a locking part 942. The locking tongue 941 is installed on one of the main body 91 and the support bracket 93; the locking part 942 is located on the other of the main body 91 and the support bracket 93. The locking tongue 941 and the locking part 942 cooperate to install the support bracket 93 onto the main body 91. The cooperation between the locking tongue 941 and the locking part 942 achieves a stable connection between the support bracket 93 and the main body 91. An installation gap is formed between the locking part 942 and the protrusion 95; after the locking tongue 941 passes over the locking part 942, it is located within this installation gap and abuts against the side of the locking part 942 facing the protrusion 95.

[0185] To facilitate the locking tongue 941 passing over the locking part 942; referring to one embodiment, such as Figures 29 to 36 As shown, the locking tongue 941 is mounted to the main body 91 or the support bracket 93 via an elastic arm 943, allowing the locking tongue 941 to elastically deform and easily pass over the locking part 942. The elastic deformation of the locking tongue 941 allows it to easily pass over the locking part 942 during installation. After installation, the locking tongue 941 returns to its original shape, tightly engaging with the locking part 942 to prevent the support bracket 93 from loosening. The elastic arm 943 can be a component with its own elasticity or a component that can deform under stress.

[0186] In this embodiment, as Figures 29 to 36 As shown, the locking tongue 941 is mounted to the support bracket 93 via an elastic arm 943; the locking part 942 protrudes outward from the inner wall of the main body 91. The locking part 942 is integrally formed on the inner wall of the main body 91 to enhance the structural strength between the locking part 942 and the main body 91, and to reduce the processing difficulty of the locking part 942 and the main body 91. The locking tongue 941 is integrally formed on the support bracket 93 to enhance the structural strength between the locking tongue 941 and the support bracket 93, and to reduce the processing difficulty of the locking tongue 941 and the support bracket 93.

[0187] In this embodiment, as Figures 29 to 36 As shown, one of the main body 91 and the support bracket 93 has a positioning groove 96, and the other has a positioning protrusion 97 that mates with the positioning groove 96. The cooperation between the positioning groove 96 and the positioning protrusion 97 ensures that the support bracket 93 is accurately positioned within the main body 91, avoids deviations during installation, and guarantees the stable performance of the audio mechanism 90.

[0188] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered to be within the scope of this specification. When technical features of different embodiments are embodied in the same drawing, it can be regarded as the drawing also disclosing examples of combinations of the various embodiments involved.

[0189] The above embodiments are merely illustrative of several implementation methods of this application, and their descriptions are quite specific and detailed. However, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the protection scope of this application.

Claims

1. A smart pair of glasses, comprising a waveguide sheet and a frame, characterized in that, The frame includes: Back frame; and The front frame, which is mounted on the rear frame; Wherein, at least a portion of the outer edge of the waveguide sheet is located between the front frame and the rear frame, and one of the waveguide sheet and the mirror frame is provided with a positioning protrusion, and the other is provided with a positioning groove that cooperates with the positioning protrusion.

2. The smart glasses according to claim 1, characterized in that, A mounting groove for mounting waveguide sheets is formed between the front frame and the rear frame.

3. The smart glasses according to claim 1 or 2, characterized in that, The waveguide sheet is fixed between the front frame and the rear frame by adhesive.

4. The smart glasses according to claim 3, characterized in that, At least one of the front frame and the rear frame has an adhesive surface, which is bonded to the waveguide sheet by dispensing adhesive.

5. The smart glasses according to claim 4, characterized in that, At least one of the front frame and the rear frame also has an overflow adhesive surface, and the overflow adhesive surface is provided with a gap between it and the waveguide sheet so as to be able to receive excess adhesive during the dispensing and assembly process of the waveguide sheet and the adhesive surface.

6. The smart glasses according to claim 4 or 5, characterized in that, Both the front frame and the rear frame have adhesive surfaces; The adhesive surfaces on the front frame and the rear frame are located on opposite sides of the waveguide sheet.

7. The smart glasses according to claim 3, characterized in that, The waveguide sheet has an outwardly protruding extension, which is either the positioning protrusion or the positioning groove is formed on the extension.

8. The smart glasses according to claim 1 or 7, characterized in that, The positioning groove is a hole structure that penetrates the waveguide sheet or a recessed structure formed by the recess in the side wall of the waveguide sheet.

9. The smart glasses according to claim 1, characterized in that, The front frame and the rear frame are fixed together by snap-fit ​​and / or adhesive.

10. A type of smart glasses, characterized in that, include: A picture frame, comprising a rear frame and a front frame mounted on the rear frame; as well as A waveguide sheet, with a portion of its outer edge positioned and installed between the front frame and the rear frame, so that the mirror frame encloses the outer edge of the waveguide sheet; Wherein, along the outer edge direction of the waveguide sheet, the area of ​​the lens frame covering the outer edge of the waveguide sheet does not exceed two-thirds of its outer edge, so as to reduce the weight of the lens frame.

11. The smart glasses according to claim 10, characterized in that, Along the outer edge direction of the waveguide sheet, the area of ​​the frame covering the outer edge of the waveguide sheet does not exceed one-half of its outer edge.

12. The smart glasses according to claim 10 or 11, characterized in that, One of the waveguide sheet and the mirror frame is provided with a positioning protrusion, and the other is provided with a positioning groove that cooperates with the positioning protrusion.

13. The smart glasses according to claim 10 or 11, characterized in that, The smart glasses also include: At least one extender assembly includes an extender and a snap-fit ​​member, wherein the extender can be snapped onto the frame via the snap-fit ​​member.

14. The smart glasses according to claim 13, characterized in that, The frame includes two lens frames and a bridging portion connecting the two lens frames; The snap-fit ​​member can snap onto the bridging portion.

15. The smart glasses according to claim 10 or 11, characterized in that, The smart glasses also include a nose pad, which is detachably snapped onto the frame via a connecting component; The frame includes a first fitting part and a second fitting part; The connecting component includes: A first connecting portion, which is fixed to the nose pad and can cooperate with the first mating portion to restrict the movement of the nose pad relative to the frame in a first direction; and The second connecting part is fixed to the first connecting part and can cooperate with the second mating part to restrict the nose pad from moving relative to the frame in a second direction different from the first direction; The first connecting portion and the second connecting portion are arranged along the second direction.

16. The smart glasses according to claim 10 or 11, characterized in that, The smart glasses also include: The optical engine housing is located inside the lens frame and is used to fix the optical engine module; An optical bracket is used to mount the optical engine housing onto the waveguide sheet.

17. The smart glasses according to claim 10 or 11, characterized in that, The smart glasses include: The temple has a mounting cavity for accommodating an electronic module and a through hole communicating with the mounting cavity; and A flexible circuit board passes through the via and is sealed to the via with adhesive to be electrically connected to an electronic module within the mounting cavity.

18. The smart glasses according to claim 17, characterized in that, The temple of the glasses has a perforation at the end for threading a strap.

19. The smart glasses according to claim 10 or 11, characterized in that, The smart glasses also include an audio mechanism, which includes: The main body includes two first sidewalls disposed opposite to each other, and two second sidewalls connected between the two first sidewalls and disposed opposite to each other. The main body is provided with a receiving cavity, a sound outlet, and a sound vent. A sound-producing device is disposed in the receiving cavity by means of a support bracket. The sound-producing device, the support bracket, the first sidewall, and the second sidewall work together to divide the receiving cavity into an independent front cavity and a rear cavity. The sound outlet is configured to connect the front cavity to the outside, and the sound vent is configured to connect the rear cavity to the outside.

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