WO2019001575A1

WO2019001575A1 - Wearable display device

Info

Publication number: WO2019001575A1
Application number: PCT/CN2018/093758
Authority: WO
Inventors: 肖晓松; 陈厚宜; 何开伟; 左钰滢; 肖凌
Original assignee: 肖晓松
Priority date: 2017-06-30
Filing date: 2018-06-29
Publication date: 2019-01-03
Also published as: CN107290853A; CN109001906A

Abstract

Provided is a wearable display device for displaying an output of a human-computer interaction operation performed by a standing or walking user. The wearable display device comprises one or two display modules. When a user wears the wearable display device, the display module(s) is/are positioned in front of the left eyelid and/or the right eyelid of the user at a preset distance. Each display module comprises a micro display screen, a prismatic optical module, and an eyepiece. An image displayed by the micro display screen is formed by means of the prismatic optical module, such that a user can view the image through the eyepiece.

Description

Wearable display

Technical field

The present invention is in the field of wearable devices, and more particularly to a wearable display that allows a user to receive information while standing, walking, sitting and lying down.

Background technique

The virtual display in the computer head-mounted display can not be used by the standing and walking people in the natural environment. Although the augmented reality display can be moved and used in the natural environment, the use effect is poor, hindering the normal vision of the person, and it is inconvenient to use, nor Comfortable and not ergonomic.

Summary of the invention

In view of the above technical problems, in order to overcome the deficiencies of the above prior art, the present invention proposes a wearable display.

According to an aspect of the present invention, a wearable display is provided for a person standing or walking to perform an output display of a Human-Computer Interaction (HCI) operation, including: one or two display modules, When the wearable display is worn, the display module is located at a preset distance in front of the left eye of the user and/or the right eye of the right eye. Each display module includes a micro display screen and a prism optical module and an eyepiece, and the micro display screen displays The image is imaged by the prism optical module and viewed by the user through the eyepiece. The micro display screen is located at one end of the prism optical module and is disposed perpendicular to the viewing plane of the user. The eyepiece is disposed at the prism optical module. The surface of the left eye or the right eye is viewed by the left eye or the right eye of the user, and the image of the micro display screen is formed by a prism optical mode to form a square virtual image on the side of the eyepiece away from the left eye or the right eye of the user. The angle between the midpoint of the square virtual image and the corresponding user's left or right eye and the line between the lower midpoint of the square virtual image and the corresponding user's left or right eye C ≤ 35 , The square of the virtual image D≥15 ° angle between the line connecting the midpoint of the upper horizontal line of sight of the user and the user corresponding to the left or right eye.

Optionally, a surface portion of the prism optical module that does not correspond to the micro display screen and the eyepiece is coated with a light shielding layer.

Optionally, further comprising: a glasses frame comprising a left eyeglass frame and/or a right eyeglass frame and left and/or right eyeglasses respectively hinged to the left eyeglass frame and/or the right eyeglass frame, the one or two The display module is disposed between the left eyeglass frame and/or the right eyeglass frame of the eyeglass frame and the left eye and/or the right eyelid of the user.

Optionally, the wearable display further includes a display driving device for driving the display module, such as a conventional driving integrated circuit board using an existing virtual display technology, disposed on the left temple and In the right temple, the left temple and/or the right temple are provided with a connecting line away from the end of the corresponding eyeglass frame for receiving external power to the display driving device.

Optionally, the left eyeglass frame and/or the right eyeglass frame are mounted on the corresponding display module, and the adjusting device is configured to adjust a left and right horizontal position of the display module relative to a focus of the left eye or the right eye of the corresponding user.

Optionally, the eyeglass frame further includes a nose bridge, the nose bridge includes a left nose frame and a right nose frame, respectively disposed on the left eyeglass frame and the right eyeglass frame through a connecting member, wherein the connecting component can be plastically deformed, Adjusting the upper and lower vertical position and/or the near and far position of the display module relative to the corresponding left or right eye focus of the corresponding user.

Optionally, an earphone is disposed on the left temple and/or the right temple.

Optionally, a microphone is disposed at the bottom of the left eyeglass frame and/or the right eyeglass frame.

Optionally, the left eyeglass frame and/or the right eyeglass frame are disposed on the surface away from the user with a front camera.

Optionally, the left temple and/or the right temple are provided with a rear camera away from the end of the corresponding eyeglass frame.

Optionally, the eyepiece is provided with a buckle for assembling the vision correction lens.

Optionally, the method further includes: a hat, a headband or a helmet, and the hat, the headband or the helmet is provided with a support assembly supporting the one or two display modules.

Optionally, the wearable display further comprises a display driving device for driving the display module, the display driving device being disposed on the hat, the headband or the helmet.

Optionally, the wearable display further includes a power supply assembly for powering the display driving device and the display module, the power supply assembly being disposed on the cap, the headband or the helmet.

Optionally, human-computer interaction includes interaction between a person and a computer, such as a desktop computer, a wall-mounted computer, a notebook computer, a tablet computer, a wearable computer, a portable computer, a smart mobile terminal, and a virtual reality device. (Virtual Reality, VR for short) at least one of a computer, an Augmented Reality (AR) computer, a Mixed Reality MR computer, a stand-alone computer, and a mobile computer connected to the mobile Internet.

It can be seen from the above technical solutions that the present invention has at least the following beneficial effects:

The wearable display enables the user to view the information displayed on the virtual screen that is completely isolated from the reality at any time while viewing the realistic view, thereby enhancing the ability of the person to obtain information at any time;

The wearable display is provided with a display module at a preset distance in front of the left eye and/or the right eye of the user to display an image. The design is beautiful, and the normal view of standing and walking is not hindered, and the use is convenient and comfortable. Ergonomics;

The virtual image formed by the display module has a specific positional relationship with the human eye and is ergonomic;

The driving circuit is powered by an external power source to prevent the power supply from being placed on the eyeglass frame to increase the weight;

The position of the eyepiece can be adjusted corresponding to the human eye to facilitate wearing by different users.

DRAWINGS

FIG. 1 is a schematic structural diagram of a wearable display according to an embodiment of the present invention.

Figure 2 is an enlarged view of a region B in Figure 1.

3 is a schematic view of the A direction of the wearable display of FIG. 1.

4 is a schematic view showing a state of use of the wearable display of FIG. 1.

Detailed ways

Some embodiments of the invention will be described more fully hereinafter with reference to the appended drawings, in which some, but not all, In fact, the various embodiments of the invention can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

The present invention will be further described in detail below with reference to the specific embodiments of the invention.

The embodiment of the invention provides a wearable display, comprising: one or two display modules, wherein the display module is located at a preset distance in front of the left eye and/or the right eye of the user when the wearable display is worn, The predetermined distance is less than 200 mm, and each display module comprises a micro display screen and a prism optical module and an eyepiece. The image displayed on the micro display screen is imaged by the prism optical module and viewed by the user through the eyepiece, wherein the micro display The screen is located at one end of the prism optical module and is disposed perpendicular to the viewing plane of the user. The eyepiece is disposed on a surface of the prism optical module facing the left eye or the right eye of the user, and is viewed by the left eye or the right eye of the user. .

The wearable display in the embodiment of the present invention adopts a head-wearing method, and may be an eyeglass type, a hat type, a headband type, a helmet type or the like.

An embodiment of the present invention is described by a glasses-type wearable display. The wearable display can be integrated on the eyeglass frame, and has a beautiful appearance. The user can use when standing or walking. The wearable display does not affect the normal vision of the user. It is convenient and comfortable, and is ergonomically designed.

FIG. 1 is a schematic structural diagram of a wearable display according to an embodiment of the present invention. As shown in FIG. 1 , the wearable display 100 of the present embodiment includes a glasses structure, specifically including a glasses frame 10 and two display modules 20 . The eyeglass frame 10 includes a left eyeglass frame 11 and a right eyeglass frame 12 and left and

right eyeglasses

13 and 14 that are hinged to the left and

right eyeglass frames

11 and 12, respectively. Two display modules 20 are respectively disposed at the lower frames of the left eyeglass frame 11 and the right eyeglass frame 12 of the eyeglass frame 10. The lens 16 may be disposed in the left eyeglass frame 11 and the right eyeglass frame 12, and may be a flat lens or a refractive lens adapted to an individual. In other embodiments, the lens may not be provided.

2 is an enlarged view of the area B of FIG. 1 showing the specific structure of a display module 20 at the lower frame of the left eyeglass frame 11. As shown in FIG. 2, the display module 20 includes a micro display screen 21 and a prism optical module 22, and an eyepiece 23. The micro display screen 21 is located at one end of the prism optical module 22 away from the center of the eyeglass frame 10, perpendicular to the left eyeglass frame 11. The plane is disposed perpendicular to the viewing plane of the user, and the eyepiece 23 is disposed on a surface of the prism optical module 22 facing the left eye of the user. The micro display screen 21 is used for displaying images or information, and is transmitted through the prism optical module 22. And zooming in, in front of the lower side of the eyepiece 23 away from the left eye of the user, the left eye of the user can view the virtual image or information.

The surface portion of the prism optical module that is not corresponding to the micro display screen and the eyepiece may also be coated with a light shielding layer to prevent the ambient light outside the prism optical module from interfering with the virtual image in the eyepiece.

In this embodiment, as shown in FIG. 2, the eyepiece 23 is further provided with a plurality of buckles 231, which are four in this embodiment, for assembling the vision correction lens matched with the size of the eyepiece 23, which can be adopted for different users. Different degrees of vision correction lenses make it easy for different users to see clear images or information from the eyepiece 23.

In addition, the left eyeglass frame 11 is provided with an adjusting device 111 at the display module 20, which may be a fine adjustment screw in this embodiment. By adjusting the fine adjustment screw, the position of the display module 20 in the horizontal direction of the lower frame of the left eyeglass frame 11 can be adjusted. The display module 20 can be horizontally moved to the left and right along the lower frame of the left eyeglass frame 11. Through the above adjustment, the mutual coincidence degree between the center focus of the eyepiece 23 and the center focus of the user's left eye pupil can be adjusted in the horizontal direction, so as to facilitate the use of different lay lengths. A clear image or information can be viewed from the eyepiece 23 by adjustment.

Although the above description is only specific to the left part of the wearable display, those skilled in the art can understand that the right side portion of the wearable display is symmetrically disposed with the left side portion, and is also provided by the lower frame of the eyeglass frame 12 for use. The right eye provides a display module for images or information.

Referring to FIG. 1, the eyeglass frame 10 of the present embodiment further includes a nose frame 15 including a left nose frame and a right nose frame, which are respectively disposed on the left eyeglass frame 11 and the right eyeglass frame 12 through a connecting member, the connection The piece can be plastically deformed for adjusting the vertical position and/or the near and far position of the display module 20 relative to the left or right eye of the corresponding user, by which the center focus of the eyepiece 23 and the center focus of the eyelid corresponding to the user can be adjusted. The mutual coincidence and distance in the vertical direction facilitates different users to view clear images or information from the eyepiece 23 by adjustment.

In this embodiment, the wearable display 100 further includes a display driving device 30. In this embodiment, a conventional driving integrated circuit board of the existing virtual display technology can be used to provide power and display signals to the microdisplay 21 of the display module 20. And the control signal, as shown in FIG. 1 , in the embodiment, the display driving device 30 is disposed in the left temple 13 , and the left lens leg 13 is away from the end of the left eye frame to lead out the connecting line 131. In this embodiment, the multi-core soft is used. The wire plug is used for connecting an external power source and an external signal to provide power and input signals to the display driving device 30. This design prevents the power source from being directly disposed in the left temple 13 of the eyeglass frame 10, and can reduce the overall wearable display 100. Weight to avoid excessive pressure on the user's ear.

The display driving device may also be disposed in the right temple in the above manner, or the display driving device includes a left display driving device and a right display driving device, which are respectively disposed in the left temple and the right temple, and are not described in detail herein.

In other embodiments, the display driving device and the power source may be externally connected, and the connecting line 131 is directly connected to the external display driving device 30, and the display driving device is connected to the display module 20 through a connecting line to drive the micro of the display module. Display 21 operates to further reduce the weight of the wearable display to the ear.

In this embodiment, the wearable display 100 further includes an earphone 40 for matching the display module 20. The earphone includes a left earphone and a right earphone. Taking the left earphone as an example, as shown in FIG. 1, it is taken out from the left eyeglass leg 13. The earphone head and the hinge joint 41 connected by the earphone cord can be rotated. When the user uses the wearable display 100, the hinge joint 41 can be rotated, so that the earphone head can be switched between the closed ear canal position and the semi-closed ear canal position when the earphone head Located in the closed ear canal position, the ambient noise is isolated. The user can only hear the sound of the earphone. When the earphone head is in the semi-closed ear canal position, the ambient sound and the earphone sound can be simultaneously listened to.

In this embodiment, the wearable display 100 further includes at least one camera 50. The number of the cameras is not limited. As shown in FIG. 1 , the two rear cameras are respectively disposed at the ends of the left glasses 13 away from the left frame 11 and the right glasses. The leg 14 is away from the end of the right eyeglass frame 12 for capturing the rear image of the user and can be displayed on the display module 20 of the wearable display 100 to provide rear information to the user.

3 is a schematic view of the A direction of the wearable display of FIG. 1. As shown in FIG. 3, the camera 50 further includes two front cameras respectively disposed on the surfaces of the left eyeglass frame 11 and the right eyeglass frame 12 for photographing the front of the user. The image is displayed on the display module 20 of the wearable display 100. The wearable display further includes at least one microphone 60 disposed on the left frame 11 and/or the lower frame 12 for convenient cooperation. Wear the display for human-computer interaction, such as making calls, voice operations, and so on.

4 is a schematic view showing the state of use of the wearable display of FIG. 1. As shown in FIG. 4 and FIG. 2, after the user wears the wearable display 100, the display module 20 is located in the corresponding frame, and the lens 16 corresponds to the user. The position between the lower eyelids of the eye, FIG. 4 is also a schematic view of the right side of the head of the user wearing the wearable display. The positional relationship between the display module 20 and the right eye of the user is specifically described below.

As shown in FIG. 2 and FIG. 4, the image of the micro display screen 21 in the display module 20 is formed by the prism optical module 22 as a square virtual image 24 located on the side of the eyepiece 23 away from the right eye of the user, that is, the user's right eye can pass through the eyepiece. Observing a square virtual screen, the angle between the midpoint 241 of the square virtual image 24 and the corresponding user's right eye and the line connecting the lower middle point 242 of the square virtual image and the corresponding user's right eye C ≤ 35 ° The angle between the midpoint 241 of the square virtual image 24 and the corresponding user's right eye and the user's horizontal line of sight is D ≥ 15°. The enlarged square virtual large screen image is always at a position below the horizontal line of sight of the standing or walking person's field of view below 15 degrees. The visual field above the horizontal line of sight, which is at least 15 degrees below the user's horizontal line of sight, is provided to allow the user to have a sufficiently wide field of view when standing or walking normal activities, on the right eyeglass frame 12 of the wearable display 100. The transparent lens allows the user to normally view the environmental things in the real view. The user can also easily look down at the view and view the image or information displayed on the virtual large screen image completely separated from the reality in the display module eyepiece to enhance the person's appearance. The ability to access a variety of information.

Based on the above design, the wearable display in this embodiment does not affect the normal view of the user, is convenient and comfortable to use, and has an ergonomic design, and can obtain a good experience when the user stands or walks.

Although the embodiment provides an example with two display modules, those skilled in the art can understand that in other embodiments, the display module may be only one, and is disposed on the lower frame of the left frame 11 or the right frame 12. At the same time, the earphone can also include only the left earphone or the right earphone.

In other embodiments, the wearable display is a hat type, a headband type, and a helmet type, and the wearable display includes a hat, a headband or a helmet, and the hat, the headband or the helmet is provided with a support for supporting the display module. The device is configured to fix the display module at a certain distance in front of the left eye and/or the right eye of the user when the wearable display is in use. When the wearable display is not in use, the support device supporting the display module can be hidden and hidden. Compared to eyeglass-type wearable displays, display drives for hats, headbands, and helmet-mounted wearable displays, as well as power supplies, can be placed on a hat, headband, or helmet.

In the present invention, human-computer interaction includes interaction between a person and a computer, such as a desktop computer, a wall-mounted computer, a notebook computer, a tablet computer, a wearable computer, a portable computer, a smart mobile terminal, and a virtual reality. (Virtual Reality, VR for short) at least one of a computer, an Augmented Reality (AR) computer, a Mixed Reality MR computer, a stand-alone computer, and a mobile computer connected to the mobile Internet.

It should be noted that the implementations that are not shown or described in the drawings or the text of the specification are all known to those of ordinary skill in the art and are not described in detail. In addition, the above definitions of the various elements and methods are not limited to the specific structures, shapes or manners mentioned in the embodiments, and those skilled in the art can simply modify or replace them.

It should also be noted that an example of parameters containing specific values may be provided herein, but these parameters need not be exactly equal to the corresponding values, but may approximate the corresponding values within acceptable error tolerances or design constraints.

The specific embodiments of the present invention have been described in detail in the foregoing detailed description of the embodiments of the present invention. All modifications, equivalents, improvements, etc., made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

A wearable display for an output display of a human-computer interaction (HCI) operation by a person standing or walking, wherein:

One or two display modules, the display module is located at a preset distance in front of the left eye and/or the right eye of the user when the wearable display is worn, and each display module includes a micro display screen and a prism optical mode The group and the eyepiece, the image displayed on the micro display screen is imaged by the prism optical module and viewed by the user through the eyepiece, wherein the micro display screen is located at one end of the prism optical module and is disposed perpendicular to the viewing plane of the user, the eyepiece setting On the side of the prism optical module facing the left or right eye of the user, viewed by the left or right eye of the user,

The image of the micro display screen is composed of a prism optical mold to form a square virtual image on the side of the eyepiece away from the left eye or the right eye of the user, and the middle point of the square virtual image is connected with the corresponding left or right eye of the user. The angle between the midpoint of the lower side of the virtual image and the line connecting the left eye or the right eye of the user is C ≤ 35°, and the connection between the upper midpoint of the square virtual image and the corresponding left or right eye of the user and the user The angle between the horizontal lines of sight is D ≥ 15°.
The wearable display according to claim 1, wherein a surface portion of the prism optical module that does not correspond to the microdisplay screen and the eyepiece is coated with a light shielding layer.
The wearable display according to claim 1 or 2, further comprising:

The eyeglass frame includes a left eyeglass frame and/or a right eyeglass frame and left and/or right eyeglasses respectively hinged to the left eyeglass frame and/or the right eyeglass frame, the one or two display module settings being mounted on the eyeglasses The left eyeglass frame of the frame and/or the lens of the right eyeglass frame and the left eye of the user and/or the right eyelid of the right eye.
The wearable display according to claim 3, wherein

The wearable display further includes a display driving device for driving the display module, the display driving device being disposed in a left temple and/or a right temple, the left and/or right glasses being away from The end of the corresponding eyeglass frame is provided with a connecting line for receiving external power to the display driving device.
The wearable display according to claim 3, wherein the left eyeglass frame and/or the right eyeglass frame mounting corresponding display module is provided with adjusting means for adjusting the display module relative to the corresponding user's left eye or right The horizontal position of the eye focus.
The wearable display according to claim 3, wherein the eyeglass frame further comprises a nose bridge, the nose bridge comprising a left nose bridge and a right nose bridge, respectively disposed on the left eyeglass frame and the right eyeglass frame by a connecting member, The connector is plastically deformable for adjusting an up-and-down vertical position and/or a near-far position of the display module relative to a corresponding left or right eye focus of the corresponding user.
The wearable display according to claim 3, wherein

Headphones are disposed on the left and/or right temples; and/or

a microphone is disposed at the bottom of the left eyeglass frame and/or the right eyeglass frame; and/or

Providing a front camera to the left eyeglass frame and/or the right eyeglass frame away from the user; and/or

A rear camera is disposed at an end of the left temple and/or the right temple away from the corresponding eyeglass frame.
The wearable display of claim 1, wherein the eyepiece is provided with a buckle for assembling a vision correcting lens.
The wearable display according to claim 1 or 2, further comprising:

A cap, headband or helmet having a support assembly supporting the one or two display modules.
The wearable display of claim 9 further comprising:

A display driving device for driving the display module, the display driving device being disposed on the cap, the headband or the helmet.
The wearable display of claim 10, further comprising:

A power supply assembly for powering a display drive and a display module, the power supply assembly being disposed on the cap, headband or helmet.
The wearable display of claim 1, wherein the human-computer interaction comprises interaction between a person and a computer, the computer being a desktop computer, a wall-mounted computer, a notebook computer, a tablet computer, a wearable computer, Portable computers, smart mobile terminals, Virtual Reality (VR) computers, Augmented Reality (AR) computers, Mixed Reality MR computers, stand-alone computers, and mobile computers connected to the mobile Internet At least one.