Interactive display device
By using the image acquisition and control unit of the interactive display device, combined with face, posture and gesture recognition technology, the stereoscopic image display is dynamically adjusted, which solves the problem that the stereoscopic image effect is affected by angle and distance in the existing technology, and realizes a stable and personalized stereoscopic image experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- IND TECH RES INST
- Filing Date
- 2025-04-24
- Publication Date
- 2026-06-16
AI Technical Summary
Existing large outdoor billboards suffer from a significant reduction in 3D image quality when the viewing angle or distance changes, failing to provide a stable 3D image experience.
An interactive display device is used, combined with image acquisition elements and a control unit. Through technologies such as face recognition, posture recognition and gesture recognition, the display mode of stereoscopic images is dynamically adjusted to ensure that users obtain good stereoscopic image effects at different angles and distances.
It enhances user engagement and immersion, provides personalized content and experiences, and optimizes image display through user preference data, achieving stable stereoscopic image display under different conditions.
Smart Images

Figure CN224366404U_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to an interactive display device, and more particularly to an interactive display device that can provide stereoscopic images. Background Technology
[0002] In existing technologies, large outdoor billboards are widely used to provide stereoscopic images for public viewing. However, due to technical limitations such as imaging principles, existing display devices can only provide good stereoscopic image effects under specific conditions. For example, when conditions such as viewing angle or viewing distance change, the image quality seen by the viewer will be significantly reduced. Utility Model Content
[0003] The present invention provides an interactive display device to address the problems of the prior art, comprising a device body, at least one display, an image acquisition element, and a control unit. The at least one display is disposed on the device body. The image acquisition element is disposed on the device body and is adapted to acquire user images. The control unit is disposed within the device body, wherein the control unit is coupled to the at least one display and the image acquisition element, and the control unit controls the at least one display to provide stereoscopic images based on the user images.
[0004] In one embodiment, the interactive display device is at least partially cylindrical, and the at least one display is bent into an arc shape to match the cylindrical shape of the interactive display device.
[0005] In one embodiment, the interactive display device is at least partially cube-shaped, and the at least one display is bent to form an angle that conforms to the cube shape of the interactive display device.
[0006] In one embodiment, the device body includes a first display unit and a second display unit, with an angle between the first display unit and the second display unit, the angle being less than 180 degrees, and the at least one display is bent and disposed on the first display unit and the second display unit.
[0007] In one or more embodiments, the interactive display device further includes a base, the device body is disposed on the base, and at least one display is disposed on the base.
[0008] In one or more embodiments, the device body has an internal space, and the at least one display is disposed at the edge of the device body and covers the internal space, wherein the at least one display is transparent in the no-display state.
[0009] In one or more embodiments, the image acquisition element further includes a lens, the image acquisition element acquires the user image via the lens, the control unit performs face recognition on the user image, and controls the at least one display to provide the stereoscopic image.
[0010] In one or more embodiments, the detection distance of the image acquisition element is between 0.6 meters and 6 meters.
[0011] In one or more embodiments, in short-range interactive mode, the focal length of the lens is 4 mm and the field of view of the image acquisition element is 120° FOV.
[0012] In one or more embodiments, in active detection mode, the focal length of the lens is 2.5 mm and the field of view of the image acquisition element is 160° FOV.
[0013] In one or more embodiments, in panoramic perception mode, the focal length of the lens is 3 mm to 5 mm, and the field of view of the image acquisition element is 220° FOV.
[0014] In one or more embodiments, the control unit performs facial recognition on the user image to confirm the user's eye position, and controls the at least one display to provide the stereoscopic image toward the user's eye position.
[0015] In one or more embodiments, the control unit performs gesture recognition on the user image and controls the at least one display to provide interactive images.
[0016] In one or more embodiments, the control unit performs gesture recognition on the user image and controls the at least one display to provide an operation menu.
[0017] The interactive display device of this invention can interact with naked-eye stereoscopic images by detecting the user's posture, gestures, facial expressions, voice, and tone of voice. This not only enhances the user's sense of participation and immersive experience but also helps to collect user preference data in order to provide more personalized content and experiences. In one or more embodiments, for users at a specific angle or distance, the interactive display device of this invention can adjust the display mode of the stereoscopic image according to the user's position, thereby providing the user with a high-quality stereoscopic image. Attached Figure Description
[0018] Figure 1A This is a perspective view showing the interactive display device according to the first embodiment of the present invention.
[0019] Figure 1B This is a block diagram showing the interactive display device according to the first embodiment of the present invention.
[0020] Figure 2 This is a schematic diagram showing the interactive display device according to the second embodiment of the present invention.
[0021] Figure 3 This is a schematic diagram showing the interactive display device according to the third embodiment of the present invention.
[0022] Figure 4 This is a schematic diagram showing the interactive display device according to the fourth embodiment of the present invention.
[0023] Explanation of reference numerals in the attached figures:
[0024] T1: Interactive display device
[0025] T2: Interactive display device
[0026] T3: Interactive display device
[0027] T4: Interactive display device
[0028] 101: Device body
[0029] 102: Device body
[0030] 103: Device body
[0031] 104: Device body
[0032] 11: First Display Section
[0033] 12: Second Display Unit
[0034] 13: Third Section
[0035] 201: Monitor
[0036] 202: Monitor
[0037] 203A: Monitor
[0038] 203B: Monitor
[0039] 204: Monitor
[0040] 301: Image Acquisition Element
[0041] 302: Image acquisition element
[0042] 303: Image Acquisition Component
[0043] 304: Image acquisition element
[0044] 31: Lens
[0045] 4: Control Unit
[0046] 5: Base
[0047] θ: included angle Detailed Implementation
[0048] Figure 1A This is a perspective view showing the interactive display device according to the first embodiment of the present invention. Figure 1B This is a block diagram showing the interactive display device according to the first embodiment of this utility model. (See also: [reference]) Figure 1A , Figure 1B The interactive display device T1 of the first embodiment of this utility model includes a device body 101, a display 201, an image acquisition element 301, and a control unit 4. The display 201 is disposed on the device body 101. The image acquisition element 301 is disposed on the device body 101 and is suitable for acquiring user images. The control unit 4 is disposed within the device body 101, wherein the control unit 4 is coupled to the display 201 and the image acquisition element 301, and the control unit 4 controls the display 201 to provide a stereoscopic image based on the user image. In some embodiments, the display 201 may be composed of one or more display units, which may be light-emitting diodes (LEDs), liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs), mini LEDs, micro light-emitting diodes (MicroLEDs), etc., but this utility model is not limited thereto. (See also: [reference to related information]) Figure 1A , Figure 1B In some embodiments, the interactive display device T1 may be at least partially cylindrical, and the display 201 may be bent into an arc shape to match the cylindrical shape of the interactive display device T1. In other words, the interactive display device T1 may be cylindrical in shape, either entirely or partially, while the display 201 may be arc-shaped or other corresponding shapes to match the shape of the interactive display device T1.
[0049] Matching reference Figure 1A , Figure 1B In some embodiments, the image acquisition element 301 may include at least one lens 31, through which the image acquisition element 301 can acquire user images, and the control unit 4 can perform face recognition on the user images and control the display 201 to provide stereoscopic images.
[0050] In embodiments of this invention, the interactive display device can provide naked-eye stereoscopic images based on optical illusion algorithms, without requiring any external optical lenses on the display or requiring the user to wear optical glasses. In some embodiments, the interactive display device can establish a stereoscopic image using the following basic steps: First, determine the target viewpoint (i.e., the user's position, specifically the position of the user's eyes). Next, calculate the position of each pixel projected back from the viewpoint to the original three-dimensional scene. Then, reverse-map these three-dimensional positions onto the plane of the interactive display device, thus generating a distorted two-dimensional image to ensure that the interactive display device can be viewed normally at specific angles.
[0051] Reference Figure 1A In some embodiments, the detection distance of the image acquisition element 301 can be between 0.6 meters and 6 meters, but the present invention is not limited thereto.
[0052] Reference Figure 1A In some embodiments, the interactive display device T1 may include a short-range interactive mode. In the aforementioned short-range interactive mode, the focal length of the lens 31 may be 4 mm, and the field of view of the image acquisition element 301 may be 120° FOV (Field of View).
[0053] Reference Figure 1A In some embodiments, the interactive display device T1 may include an active detection mode. In the aforementioned active detection mode, the focal length of the lens 31 may be 2.5 mm, and the field of view of the image acquisition element 301 may be 160° FOV.
[0054] Reference Figure 1A In some embodiments, the interactive display device T1 may include a panoramic perception mode. In the aforementioned panoramic perception mode, the focal length of the lens 31 may be 3 mm to 5 mm, and the field of view of the image acquisition element 301 may be 220° FOV. In embodiments of this invention, the lens 31 may be a prime lens, a zoom lens, a wide-angle lens, an aspherical lens, an infrared lens, etc., and the number of lenses 31 may be single or multiple, but this invention is not limited thereto. In some embodiments, one lens 31 has a focal length of 4 mm, and the other lens 31 has a focal length of 2.5 mm, but the foregoing disclosure does not limit this invention.
[0055] Matching reference Figure 1A , Figure 1BIn some embodiments, the control unit 4 performs facial recognition on the user image to confirm the user's eye position and controls the display 201 to provide a stereoscopic image towards the user's eye position. In other words, after confirming the user's eye position, the interactive display device T1, based on the result of facial recognition, controls the display 201 to face the user's eye position via the control unit 4 to display the stereoscopic image to be fed back to the user. In some embodiments, the interactive display device T1 may also include a deep learning model, such as a fully connected neural network, a convolutional neural network (CNN), a recurrent neural network (RNN), or generative models. The interactive display device T1 can use the aforementioned model to analyze the result of facial recognition and control the display 201 to face the user's eye position via the control unit 4 to display the stereoscopic image to be fed back to the user.
[0056] Matching reference Figure 1A , Figure 1B In some embodiments, the control unit 4 performs gesture recognition on the user image and controls the display 201 to provide interactive images. In other words, the interactive display device T1 can, based on the gesture recognition results, use the control unit 4 to control the display 201 to display interactive images intended to be provided to the user. In some embodiments, the interactive display device T1 may also include an artificial intelligence model, which is used to analyze the gesture recognition results and use the control unit 4 to control the display 201 to display interactive images intended to be provided to the user. In other embodiments, the control unit 4 performs gesture recognition on the user image and controls the display 201 to provide an operation menu.
[0057] Figure 2 This is a schematic diagram showing an interactive display device according to a second embodiment of the present invention. (Refer to...) Figure 2 In some embodiments, the interactive display device T2 may be at least partially cubic, with the display 202 bent to form an angle and configured to match the cubic shape of the interactive display device T2. Similar to the aforementioned embodiments, the interactive display device T2 may also include components such as the device body 102 and the image acquisition element 302. In other words, the interactive display device T2 may be entirely or partially cubic in shape, and the device body 102, the display 202, and the image acquisition element 302 may conform to the shape of the interactive display device T2 to present a cubic or other corresponding shape, but this invention is not limited thereto.
[0058] Figure 3 This is a schematic diagram showing an interactive display device according to a third embodiment of the present invention. (Refer to...) Figure 3In some embodiments, the device body 103 of the interactive display device T3 may include a first display unit 11, a second display unit 12, and a base 13. The first display unit 11 and the second display unit 12 may have an included angle θ, which may be less than 180 degrees. In some embodiments, the included angle is 90 degrees. A display 203A is bent and disposed on the first display unit 11 and the second display unit 12. The first display unit 11 and the second display unit 12 are disposed on the base 13. In some embodiments, another display 203B may be disposed on the base 13. The foregoing disclosure does not limit the present invention. Similar to the foregoing embodiments, the interactive display device T3 may also include components such as an image acquisition element 303.
[0059] Figure 4 This is a schematic diagram showing the interactive display device according to the fourth embodiment of the present invention. (Refer to...) Figure 4 In some embodiments, the device body 104 of the interactive display device T4 may form an internal space (not disclosed), and the display 204 may be disposed at the edge of the device body 104 and cover the internal space. More specifically, the interactive display device T4 may include a no-display state. In the aforementioned no-display state, the display 204 may be transparent or translucent. Similar to the aforementioned embodiments, the interactive display device T4 may also include elements such as an image acquisition element 304. In this embodiment, the device body 104 is rotatably connected to the base 5. Accordingly, the orientation of the display 204 and the image acquisition element 304 can be rotatably adjusted with the base 5 as the axis. In some embodiments, an internal light source may be provided in the internal space of the device body 104 to provide specific visual effects, but the present invention is not limited thereto.
[0060] In embodiments of this invention, the interactive display device can be equipped with an image acquisition element to collect user information. The foregoing disclosure does not limit the invention; in other embodiments, the interactive display device may be further equipped with an accelerometer, temperature sensor, ambient light sensor, photoresistor, infrared sensor (PIR), LiDAR, ultrasonic sensor, pressure sensor, image sensor, gas sensor, microphone, speaker, ultra-wideband sensor (UWB), time-of-flight sensor (ToF), etc., and supplemented by an auxiliary light source. The aforementioned sensor configuration can detect the user's gestures, facial expressions, posture, odor, voice, tone of voice, and / or distance, thereby enabling richer interaction methods.
[0061] The interactive display device of this invention can interact with naked-eye stereoscopic images by detecting the user's posture, gestures, facial expressions, voice, tone of voice, etc. This not only enhances the user's sense of participation and immersive experience, but also helps to collect user preference data in order to provide more personalized content and experiences. In some embodiments, for users at specific angles or distances, the interactive display device of this invention can adjust the display mode of the stereoscopic image according to the user's position, thereby providing the user with a high-quality stereoscopic image.
[0062] Although the present invention has been disclosed above with reference to specific preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.
Claims
1. An interactive display device, comprising: device body; At least one display is disposed on the device body; An image acquisition element is mounted on the device body and is suitable for acquiring user images; A control unit is disposed within the device body, wherein the control unit is coupled to the at least one display and the image acquisition element, and the control unit controls the at least one display to provide a stereoscopic image based on the user image.
2. The interactive display device according to claim 1, wherein the interactive display device is at least partially cylindrical, and the at least one display is bent into an arc shape to match the cylindrical shape of the interactive display device.
3. The interactive display device according to claim 1, wherein the interactive display device is at least partially cube-shaped, and the at least one display is bent to form an angle and conform to the cube shape of the interactive display device.
4. The interactive display device according to claim 1, wherein the device body includes a first display unit and a second display unit, the first display unit and the second display unit have an angle between them, the angle being less than 180 degrees, and the at least one display is bent and disposed on the first display unit and the second display unit.
5. The interactive display device according to claim 4, further comprising a base, wherein the device body is disposed on the base, and at least one display is disposed on the base.
6. The interactive display device according to claim 1, wherein the device body forms an internal space, the at least one display is disposed at the edge of the device body and covers the internal space, and the at least one display is transparent in a no-display state.
7. The interactive display device according to any one of claims 1 to 6, wherein the image acquisition element further comprises at least one lens, the image acquisition element acquires the user image via the at least one lens, the control unit performs face recognition on the user image, and controls the at least one display to provide the stereoscopic image.
8. The interactive display device according to claim 7, wherein the detection distance of the image acquisition element is between 0.6 meters and 6 meters.
9. The interactive display device according to claim 7, wherein in short-distance interactive mode, the focal length of the at least one lens is 4 mm, and the viewing angle of the image acquisition element is 120° FOV.
10. The interactive display device according to claim 7, wherein in active detection mode, the focal length of the at least one lens is 2.5 mm, and the viewing angle of the image acquisition element is 160° FOV.
11. The interactive display device according to claim 7, wherein in panoramic perception mode, the focal length of the at least one lens is 3 mm to 5 mm, and the viewing angle of the image acquisition element is 220° FOV.
12. The interactive display device of claim 7, wherein the control unit performs face recognition on the user image to confirm the user's eye position, and controls the at least one display to provide the stereoscopic image toward the user's eye position.
13. The interactive display device of claim 7, wherein the control unit performs gesture recognition on the user image and controls the at least one display to provide interactive images.
14. The interactive display device according to claim 7, wherein, The control unit performs gesture recognition on the user image and controls the at least one display to provide an operation menu.