Smart watch turn head display device

By converting a smartwatch into a head-mounted display device and using it as the core unit, the high cost, short battery life, and dependency issues of existing head-mounted displays are solved, achieving the effect of low cost and independent use of a large screen.

CN224581767UActive Publication Date: 2026-07-31赵刚
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
赵刚
Filing Date
2025-10-27
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing head-mounted display devices suffer from high costs, short battery life, small display areas, and reliance on external devices, which limits their large-scale promotion and application.

Method used

By using a smartwatch as the core computing and display unit, combined with a transmission tube, magnifying glass, small reflector and head fixation mechanism, a modular head-mounted display device is constructed to achieve independent data processing and optical magnification, eliminating the need for customized micro-display screens and dedicated circuits.

Benefits of technology

It significantly reduces costs, extends battery life, provides a large-screen visual experience, and has independent functions to adapt to different users' wearing habits, thus improving user experience and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to a smartwatch head-mounted display device, comprising: an image transmission tube serving as an optical channel and mechanical body; a watch clasp disposed at one end of the image transmission tube for detachably securing the smartwatch; and an optical system integrated inside the image transmission tube for transmitting, amplifying, and reflecting images emitted from the smartwatch screen, which has independent data processing, display, and power supply functions, to the human eye; the optical system includes: a magnifying lens disposed inside the image transmission tube for amplifying the image; and a small reflector disposed at the end of the image transmission tube for reflecting the light path to the human eye. Compared with the prior art, this utility model's head-mounted display device has the advantages of low cost, long battery life, increased display area, and independence from external devices.
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Description

Technical Field

[0001] This utility model relates to the field of wearable electronic device technology, and more specifically, to a device that converts the display function of a smartwatch into a head-mounted display device through an optical system, particularly a compact and low-cost head-mounted display device. Background Technology

[0002] With the widespread adoption of portable electronic devices, head-mounted displays (HMDs) offer users a private and convenient large-screen visual experience. Currently, there is a type of monocular head-mounted display on the market that typically uses a customized micro-display screen (such as an OLED micro-screen), a dedicated micro-lithium battery, and highly integrated electronic circuitry. This design makes the device compact and lightweight, allowing it to be mounted on glasses or used as a standalone headband, enabling users to view information, watch videos, and more.

[0003] However, this type of existing technology has the following significant drawbacks: High cost: Because the core micro-display screen and application-specific integrated circuits are customized, low-batch production components, the overall cost of the device is extremely high. Imported equipment typically costs over 10,000 RMB, while domestically produced equipment costs 3,000 to 4,000 RMB, severely hindering its large-scale promotion and application.

[0004] Poor battery life: Due to the limited size of the device, its built-in micro lithium battery has a limited capacity, and the battery life on a single charge is usually only a few hours, which cannot meet the needs of users for long-term use.

[0005] Limited display area: Despite the use of an optical magnification system, the extremely small physical size of the micro-display limits the visual size and perception of the final image due to its native resolution and diagonal size, resulting in a need to improve the user experience.

[0006] Non-independent function: These devices typically do not have independent data processing capabilities and need to be connected to smartphones via Bluetooth or other means to be used as a second screen for the phone. They cannot operate independently without the phone.

[0007] Therefore, there is an urgent need in the field for a more cost-effective and practical head-mounted display solution that can overcome the above-mentioned shortcomings. Summary of the Invention

[0008] The purpose of this invention is to provide a smartwatch head-mounted display device to solve the technical problems of existing head-mounted displays, such as high cost, short battery life, small display area, and dependence on external devices.

[0009] The technical solution adopted by this utility model to solve its technical problem is as follows: A smartwatch head-turning display device is provided, comprising: A transmission tube serves as both the optical channel and the mechanical body; A watch clip located at one end of the image transmission tube for detachably securing the smartwatch; An optical system integrated within the image transmission tube is used to transmit, amplify, and reflect images emitted from the screen of a smartwatch with independent data processing, display, and power supply functions to the human eye; the optical system includes: A magnifying glass disposed inside the image transmission tube for magnifying the image; and A small reflector located at the end of the image tube for reflecting light to the human eye.

[0010] Furthermore: The magnifying glass is fixed inside the image transmission tube by an adjustment mechanism, which includes a magnifying glass fixing screw and a magnifying glass fixing spring, and is used to finely adjust the position of the magnifying glass to achieve image focusing.

[0011] The small reflector is fixed by a small reflector convex shaft on its back engaging with a small reflector mounting hole at the end of the image transmission tube.

[0012] It also includes a head-fixing mechanism for fixing the device to the user's head; and a connecting mechanism for connecting the image transmission tube to the head-fixing mechanism.

[0013] The connecting mechanism is a cross-shaped hinge, which has a horizontal shaft hole and a vertical shaft hole, and is connected to the cross-shaped hinge connecting hole on the image transmission tube through the horizontal shaft hole.

[0014] The head fixing mechanism is a head clamp, which is connected to the image transmission tube through the longitudinal shaft hole of the cross-shaped hinge.

[0015] The head fixing mechanism is an eyeglass frame-shaped head fixing bracket, which is connected to the image transmission tube through the longitudinal shaft hole of the cross-shaped hinge.

[0016] It also includes a prescription glasses clip mounted on the image transmission tube for attaching the device to the user's prescription glasses.

[0017] The image transmission tube is an L-shaped tube with a corner.

[0018] The image transmission tube is a straight-through type.

[0019] Compared with the prior art, the present invention has the following advantages: Extreme cost optimization: Creatively utilizing mass-produced and affordable consumer smartwatches as the core computing and display unit, completely eliminating the need for expensive custom micro-displays and dedicated circuits, the overall cost can be reduced to one-tenth or even less of existing head-mounted display devices, making it highly competitive in the market.

[0020] Ultra-long battery life: By directly utilizing the large-capacity battery of the smartwatch itself, its typical battery life can reach more than 48 hours, far exceeding the battery life of only a few hours of existing head-mounted devices, meeting the needs of users for all-day use.

[0021] Superior display effect: The screen size of smartwatches (usually 1.5 inches or larger) is much larger than that of custom micro-displays. After being magnified by the optical system, the virtual image perceived by the user is larger, the field of view is wider, and the visual experience is better.

[0022] Completely independent functionality: The smartwatch itself is a fully functional smart terminal with its own operating system, processor, storage, and network connectivity. This allows the device to perform web browsing, video playback, and application operation independently without being connected to a mobile phone, improving ease of use and adaptability to various scenarios.

[0023] Flexible structure and high compatibility: The modular design allows this device to be compatible with a variety of smartwatch models, and the replaceable head fixing mechanism and multi-directional adjustable hinge can adapt to different users' head shapes and wearing habits, making it highly versatile and providing a good user experience. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention, showing its usage state when worn on the head.

[0025] Figure 2 This is a structural schematic diagram of an embodiment of the present utility model, clearly showing the various components and their assembly relationships.

[0026] Figure 3 This is a schematic diagram of the structure of the small reflector fixed by the convex shaft and the mounting hole in an embodiment of the present invention.

[0027] Figure 4 This is a perspective view of the assembled embodiment of the present invention.

[0028] Figure 5 This is a schematic diagram of the connection between the head clamp and the cross hinge in an embodiment of the present invention.

[0029] Figure 6 This is a schematic diagram of an alternative implementation scheme for the eyeglass frame-shaped head fixation bracket of this utility model.

[0030] Figure 7This is a schematic diagram of an alternative implementation scheme using a straight-through image transmission tube.

[0031] Figure 8 This is a detailed structural diagram of the cross hinge according to an embodiment of the present invention, showing its transverse shaft hole and longitudinal shaft hole.

[0032] Figure 9 This is a schematic diagram of an alternative implementation scheme using a myopia glasses clip according to the present invention.

[0033] Figure 10 This is a schematic diagram of a myopia glasses clip according to an embodiment of the present invention.

[0034] Explanation of the labels in the diagram: 1-Corner image transmission tube, 2-Smartwatch, 3-Small reflector, 4-Magnifying glass, 5-Large reflector, 6-Head clip, 7-Watch buckle, 8-Human eye, 9-Magnifying glass fixing screw, 10-Magnifying glass fixing spring, 11-Small reflector convex shaft, 12-Cross hinge, 13-Eyeglass frame-shaped head fixing bracket, 14-Straight-through image transmission tube, 15-Cross hinge connection hole, 16-Small reflector mounting hole, 17-Horizontal axis hole, 18-Vertical axis hole, 19-Prescription eyeglass clip, 20-Prescription eyeglasses. Detailed Implementation

[0035] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0036] refer to Figures 1 to 5 A preferred embodiment of this utility model includes a corner-shaped image transmission tube 1 as the main structure. The image transmission tube 1 is preferably an L-shaped tube with a corner. This design helps to shorten the overall optical path, making the structure more compact, and fits the head contour better when worn, improving aesthetics and stability.

[0037] At one end of the image transmission tube 1, a watch clasp 7 is provided. This clasp 7 is designed to be compatible with mainstream sizes of smartwatches 2 on the market, and securely and easily attaches and detaches the smartwatch 2 by means of locking, clamping, or magnetic adsorption. As the core of the entire device, the smartwatch 2 provides all electronic functions such as image display, data processing, power supply, and network connectivity.

[0038] At the other end of the image transmission tube 1, a small reflector mounting hole 16 is provided. The back of the small reflector 3 is provided with a matching small reflector convex shaft 11. Through the shaft hole cooperation, the small reflector 3 can be accurately fixed in this position, with its mirror surface facing the inside of the image transmission tube 1 and the direction of the human eye 8.

[0039] Inside the image transmission tube 1, a magnifying glass 4 and a large reflector 5 are arranged sequentially along the optical path. The magnifying glass 4 is fixed by an adjustment mechanism consisting of a magnifying glass fixing screw 9 and a magnifying glass fixing spring 10. The spring 10 provides preload, and in conjunction with the screw depth of 9, the position of the magnifying glass 4 can be finely adjusted within a certain range, thereby achieving image focusing and providing the user with the clearest visual experience. The large reflector 5 is fixed to the inside of the corner of the image transmission tube 1. Its installation method can be screw fastening, adhesive bonding, or clip fixing, ensuring efficient and accurate reflection of the optical path at the corner.

[0040] The assembly consisting of a transmission tube 1, a smartwatch 2, a small reflector 3, a magnifying glass 4, and a large reflector 5 is called the core display unit (e.g., Figure 4 (As shown).

[0041] The core display unit needs to be connected to the head fixing mechanism via a connecting mechanism. For example... Figure 4 , Figure 5 and Figure 8 As shown, a cross-hinged connection hole 15 is provided on the side of the image transmission tube 1. A cross-hinged hinge 12 is connected to the connection hole 15 by a screw passing through its horizontal axis hole 17, allowing the core display unit to rotate around the horizontal axis. The head clip 6 is connected to the cross-hinged hinge 12 by a screw passing through its vertical axis hole 18, allowing the core display unit to rotate around the vertical axis. This dual-axis hinge design allows the user to freely adjust the angle and position of the core display unit in multiple directions (up, down, left, right) until the image is perfectly aligned with the pupil, achieving optimal viewing comfort.

[0042] As another implementation of the head fixation mechanism, such as Figure 6 As shown, the head clip 6 can be replaced with an eyeglass frame-shaped head support 13. This support resembles an eyeglass frame but has no lenses or is equipped with plano lenses. It is fixed to the head via its temples, providing a more stable and comfortable wearing option for the core display unit, especially suitable for users who need to use it for extended periods.

[0043] As another implementation method for head fixation, such as Figure 9 and Figure 10 As shown, the core display unit can also be directly clipped onto the user's glasses 20 using a glasses clip 19, providing convenience for nearsighted users.

[0044] The usage and operation process of the above embodiments are as follows: Insert the smartwatch 2 into the watch clip 7 and secure it.

[0045] Wear the head clip 6 or the eyeglass frame-shaped head fixing bracket 13 on your head and fix it near your temples, or clip it to your eyeglasses using the eyeglass clip 19.

[0046] The angle of the core display unit is adjusted by the cross hinge 12 so that the light path reflected by the small reflector 3 is directly facing the human eye 8.

[0047] When a video or application is started on the smartwatch 2, the light emitted from its screen is reflected sequentially by a large reflector 5, magnified by a magnifying glass 4, and reflected by a small reflector 3 within the image transmission tube 1 before finally entering the human eye 8.

[0048] This invention fixes a smartwatch to one end of a transmission tube and activates its display function. Light emitted from the smartwatch screen enters the transmission tube. The light first travels to a large reflector, where it is reflected and its path is altered. It then passes through a magnifying glass for optical magnification and is finally reflected again by a small reflector, projecting precisely onto the user's retina. Through this optical path design, the user sees a magnified, virtual, and immersive large-size image, thus transforming an ordinary smartwatch into a fully functional head-mounted display device.

[0049] Regarding the structure of the image transmission tube, in addition to the preferred option with a corner mentioned above, it can also be a straight-through image transmission tube 14, such as... Figure 7 As shown in the diagram. In this scheme, the light path is linear, eliminating the need for the large reflector found in corner schemes. By appropriately adjusting the angle of the reflector, image transmission can be achieved just as effectively. Although this scheme may result in a longer projection of the device on the side of the head, slightly compromising aesthetics, its optical principle is equivalent, and its manufacturing cost is likely lower.

[0050] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and these modifications and substitutions should all fall within the protection scope of the appended claims of this utility model.

Claims

1. A smart watch revolve display device, characterized in that, include: A transmission tube serves as both the optical channel and the mechanical body; A watch clip located at one end of the image transmission tube for detachably securing the smartwatch; An optical system integrated within the image transmission tube is used to transmit, amplify, and reflect images emitted from the screen of a smartwatch with independent data processing, display, and power supply functions to the human eye. The optical system includes: A magnifying glass disposed inside the image transmission tube for magnifying the image; as well as A small reflector located at the end of the image tube for reflecting light to the human eye.

2. The smart watch revolve display device of claim 1, wherein, The magnifying glass is fixed inside the image transmission tube by an adjustment mechanism, which includes a magnifying glass fixing screw and a magnifying glass fixing spring, and is used to finely adjust the position of the magnifying glass to achieve image focusing.

3. The smart watch revolve display device of claim 1, wherein, The small reflector is fixed by a small reflector convex shaft on its back engaging with a small reflector mounting hole at the end of the image transmission tube.

4. The smart watch revolve display device of claim 1, wherein, It also includes a head-fixing mechanism for fixing the device to the user's head; and a connecting mechanism for connecting the image transmission tube and the head-fixing mechanism.

5. The smart watch revolve display device of claim 4, wherein, The connecting mechanism is a cross-shaped hinge, which has a horizontal shaft hole and a vertical shaft hole, and is connected to the cross-shaped hinge connecting hole on the image transmission tube through the horizontal shaft hole.

6. The smart watch revolve display device of claim 5, wherein, The head fixing mechanism is a head clamp, which is connected to the image transmission tube through the longitudinal shaft hole of the cross-shaped hinge.

7. The smart watch revolve display device of claim 5, wherein, The head fixing mechanism is an eyeglass frame-shaped head fixing bracket, which is connected to the image transmission tube through the longitudinal shaft hole of the cross-shaped hinge.

8. The smart watch revolve display device of claim 1, wherein, It also includes a prescription glasses clip mounted on the image transmission tube for attaching the device to the user's prescription glasses.

9. The smart watch revolve display device according to any one of claims 1 to 8, characterized in that, The image transmission tube is an L-shaped tube with a corner. A large reflector is installed at the corner inside the image transmission tube and is located in front of the optical path of the magnifying glass. 10.The smart watch turn head display device according to any one of claims 1 to 8, characterized in that, The image transmission tube is a straight-through type.