TWI657261B - Virtual and augmented reality combination device - Google Patents

Abstract

The present invention provides a virtual and augmented reality combination device, which is provided with a display screen capable of emitting a light source image and a positive focal length optical system in a housing. In the virtual reality mode, the positive focal length optical system is used to The light source image is magnified by the virtual image and projected into the eyes of a user; and in the augmented reality mode, the partial reflection component is disposed under the housing and corresponds to the position of the positive focal length optical system. After the converted optical system of the focal length optical system penetrates the component through the partially reflective portion, it is injected into the human eye to obtain an augmented reality image. Therefore, the present invention integrates the virtual reality and the augmented reality into the same device by using the detachable partially penetrating partial reflection element, and achieves the purpose of performing the virtual reality mode or the augmented reality mode by freely switching.

Description

Virtual and augmented reality combination device

The present invention relates to a technology for a head mounted display, and more particularly to a virtual and augmented reality combination device.

Head-mounted display is a device for displaying images and colors. It is usually in the form of an eye mask or a helmet. The display is placed close to the user's eyes, and the focal length is adjusted by the optical path to project the eye at a close distance. Picture.

At present, the head-mounted display can set a display screen, output a virtual image and project it into the wearer's eyes, so that the wearer can observe the virtual image to enlarge the image, and the head-mounted display mainly has two application scopes, one of which is virtual reality. (VR), allowing users to immerse themselves in the environment established by the computer system, making people feel as if they are immersed in the environment, and the other is augmented reality (AR), combining the real environment and virtual reality to obtain reality. Information that cannot be directly learned. The current system is designed separately and cannot be used in the same system for virtual and augmented reality.

Therefore, the present invention proposes a virtual and augmented reality combination device to effectively solve the above problems, and the specific architecture and its implementation manner will be described in detail below:

The main object of the present invention is to provide a virtual and augmented reality combination device, which integrates the structures of the two virtual imaging modes of virtual reality and augmented reality into the same head-mounted display, and only needs to disassemble a part of the penetration. Partially reflective components allow two display modes to be switched without the need to configure two different head-mounted displays.

To achieve the above objective, the present invention provides a virtual and augmented reality combination device comprising: a housing and a portion of a partially reflective component, the housing comprising: a display screen for emitting a light source image; and a positive focal length optical The system, corresponding to the display setting, is used to enlarge the virtual image and project into a user's eyes to perform a virtual reality mode; the partially transmissive partial reflective component is detachable and mounted on the Under the housing, corresponding to the positive focal length optical system, the image of the light source converted by the positive focal length optical system is penetrated by the partially reflective portion and then injected into the human eye to perform an augmented reality mode.

According to an embodiment of the invention, in the augmented reality mode, the partially transmissive partial reflective element is disposed under the positive focal length optical system and has an oblique angle.

In an embodiment, the partially penetrating partial reflective element is a planar, positive focal length spherical concave surface, an aspherical surface, or a free curved surface.

According to an embodiment of the invention, the positive focal length optical system is a positive lens.

According to another embodiment of the present invention, the positive focal length optical system is composed of at least two lenses, and the combined value of the focal lengths of the at least two lenses is positive.

Preferably, when the positive focal length optical system is composed of at least two lenses, a part of the lens may be disposed before and after the optical path of the partially penetrating partial reflective element to be combined with the partially transmissive partial reflective element into the same component.

According to an embodiment of the invention, the partially penetrating partial reflection element is provided with at least one mounting portion for mounting the partially penetrating partial reflection element on the housing.

According to an embodiment of the invention, the housing is provided with a first placement portion that is mounted on the forehead of the user when the augmented reality mode is used.

According to another embodiment of the present invention, the partially penetrating partial reflection element is provided with a second placement portion, and the partially transmissive partial reflection element is coupled to the housing and erected to the user when the augmented reality mode is On the bridge of the nose.

According to another embodiment of the present invention, the method further includes a third placing portion that connects the housing with respect to one side of the positive focal length optical system, and at least one connecting portion with the adjacent side of the housing to The housing is engaged with the curved surface to be close to the eyelid shape of the user, so that the image of the virtual reality mode is incident on the human eye through the third placement portion.

The third placement portion can include at least one lens having the same or a different focal length than the lens in the positive focal length optical system.

10‧‧‧Virtual and augmented reality combination device

12‧‧‧ housing

122‧‧‧First placement

14‧‧‧Display

16‧‧‧ positive focal length optical system

18‧‧‧Partial penetration of partially reflective elements

182‧‧‧Installation Department

184‧‧‧Second placement

20‧‧‧ human eyes

22‧‧‧ Third Placement Department

222‧‧‧Connecting Department

224‧‧‧ curved surface

Figure 1 is a perspective view of one embodiment of a virtual and augmented reality combination device.

2A is a schematic diagram of an optical path in a virtual reality mode of the present invention.

Figure 2B is a schematic illustration of the optical path in the augmented reality mode of the present invention.

FIG. 3 is an exploded view of another embodiment of the virtual and augmented reality combination device of the present invention, which is a virtual reality mode.

Fig. 4 is an exploded view of Fig. 1.

Figure 5A is a schematic diagram of light refraction in the virtual reality mode of the present invention.

Figure 5B is a schematic diagram of light refraction in an augmented reality mode of the present invention.

The invention provides a virtual and augmented reality combination device, which is applied to a head-mounted display, in particular to a virtual reality system of a head-mounted display, combined with an augmented reality system, to achieve the dual-purpose effect.

Please refer to FIG. 1 , which is a perspective view of an embodiment of a virtual and augmented reality combination device 10 in the present invention. A display screen 14 and a positive focal length optical system 16 are disposed in a housing 12 . The display 14 is used to emit a light source image, and the mobile phone screen can be used as a display screen, which is a virtual image source, and the positive focal length optical system 16 is disposed corresponding to the display screen 14 for amplifying the light source image and projecting into a user. In the eyes of the people, this time is the virtual reality mode, so that The image seen by the user is a virtual reality.

A further portion penetrates the partially reflective element 18, which is detachable, and the partially transmissive partial reflective element 18 can be a planar, positive focal length spherical concave surface, an aspherical surface, or a freeform surface on the partially transmissive partial reflective element 18. At least one mounting portion 182 is provided to mount the partially penetrating partial reflection element 18 under the housing 12 at a position corresponding to the positive focal length optical system 16, so that the image of the light source amplified by the positive focal length optical system 16 is partially reflected. The partial penetrating element 18 is incident on the human eye. At this time, the image that is incident on the human eye after the partially reflecting portion penetrates the element 18 is an augmented reality mode, that is, a virtual reality is combined with the real environment.

When the user wears the virtual and augmented reality combination device 10 shown in FIG. 1, one of the first placement portions 122 on the housing 12 is placed close to the forehead of the user, and the partially reflective portion is disposed on the penetrating member 18. One of the second placement portions 184 is attached to the bridge of the user's nose such that the virtual and augmented reality combination device 10 of the present invention is placed over the nose of the user in the augmented reality mode.

2A and 2B are optical paths in the virtual reality mode and the augmented reality mode, respectively.

First, please refer to FIG. 2A and FIG. 3 simultaneously. FIG. 3 is an exploded view of the virtual and augmented reality combination device 10 of the present invention in a virtual reality mode. After the removal portion of the present invention penetrates the partially reflective element, the third placement portion is used in place of the partially transmissive partial reflection element to transition from the augmented reality mode to the virtual reality mode. As shown, the present invention further includes a third placement portion 22 that is coupled to the housing 12 from the side of the housing 12 adjacent one of the positive focal length optical systems 16 in the virtual reality mode, as shown, The right side of the third placing portion 22 (that is, the side adjacent to the housing 12) is provided with at least one connecting portion 222 to engage with the housing 12, and the other side is a curved surface 224 to be close to the shape of the user's eyelid, so that The user is more comfortable to wear, and the optical path of the display 14 and the positive focal length optical system 16 has no turning. Therefore, after the light source image is output from the display screen 14 and then subjected to virtual image enlargement by the positive focal length optical system 16, the virtual reality mode is The image is incident on the human eye 20 through the third placement portion 22.

Next, please refer to FIG. 2B and FIG. 4 simultaneously. FIG. 4 is an exploded view of the virtual and augmented reality combination device 10 of the present invention in an augmented reality mode, that is, an exploded view of FIG. In the augmented reality mode, the partially penetrating partial reflection element 18 is disposed below the positive focal length optical system 18 and has an oblique angle to deflect the optical path, the optimum solution of which is 45 degrees. The partially transmissive partial reflection element 18 is provided with at least one mounting portion 182. In the embodiment of FIG. 4, the mounting portions 182 are respectively disposed above the two sides of the partially transmissive partial reflection element 18, and are carded from the outside of the housing 12. live. Therefore, after the light source image is output from the display screen 14, after the virtual image is zoomed down into the virtual reality image by the positive focal length optical system 16, the incident portion penetrates the partial reflection element 18, and is partially reflected by the partial reflection portion 18. At the same time, the actual image partially penetrating the other side of the partial reflection element 18 is incident into the partially transmissive partial reflection element 18, and the real image is incident into the human eye 20 via the partially transmissive partial reflection element 18 in combination with the virtual reality image.

FIG. 5A is a schematic diagram of light refraction in the virtual reality mode of the present invention. After the light of the light source image is output from the display screen 14, it is refracted by the positive focal length optical system 16 and then input into the human eye 20, which is a virtual reality mode. Optical architecture. 5B is a schematic diagram of light refraction in the augmented reality mode of the present invention. After the light of the light source image is output from the display screen 14, it is refracted by the positive focal length optical system 16 to partially penetrate the partially reflective element 18, and then partially worn. The partially reflective element 18 is reflected into the human eye 20, which is an optical architecture that augments the reality mode. In the present invention, the positive focal length optical system 16 can be a positive lens, as shown in Figures 5A and 5B, and can also be composed of at least two or more lenses, such as a concave lens and a convex lens. The focal length optical system 16 is only required if the focal lengths of the two lenses are combined. In particular, when the positive focal length optical system 16 is composed of at least two lenses, some of the lenses may be disposed in the partially penetrating portion. The optical path of the element 18 is combined with the partially transmissive partial reflective element 18 to form the same component. In addition, the third placement portion of the present invention may also include at least one lens (not shown) having the same or a different focal length than the lens in the positive focal length optical system 16.

In summary, the virtual and augmented reality combination device provided by the present invention uses the same optical system or a lens in a common housing, and is coupled with a detachable partially penetrating partial reflection element to achieve switching virtual reality and Amplifying two different optical effects in the real world, and easy to disassemble, users do not need to configure both the virtual reality and the augmented reality of the two head-mounted displays at the same time, but two functions can be obtained in one device.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes or modifications of the features and spirits of the present invention should be included in the scope of the present invention.

Claims (10)

A virtual and augmented reality combination device includes: a housing comprising: a display screen for emitting a light source image; and a positive focal length optical system corresponding to the display screen for performing virtual image enlargement of the light source image Projecting into a user's eyes to perform a virtual reality mode; and partially penetrating a partially reflective element that is detachable and mounted under the housing to correspond to a positive focal length optical system such that the positive The image of the light source after the conversion of the focal length optical system passes through the partially reflective portion to penetrate the component and then enters the human eye to perform an augmented reality mode. The virtual and augmented reality combination device of claim 1, wherein the partially transmissive partial reflection element is disposed under the positive focal length optical system and has an oblique angle to enable the optical path. Transition. The virtual and augmented reality combination device of claim 1, wherein the partially penetrating partial reflection element is a planar, positive focal length spherical concave surface, an aspherical surface, or a free curved surface. The virtual and augmented reality combination device of claim 1, wherein the positive focal length optical system is a positive lens, or is composed of at least two lenses, and a value obtained by combining the focal lengths of the at least two lenses is positive. The virtual and augmented reality combination device of claim 4, wherein when the positive focal length optical system is composed of the at least two lenses, a part of the lens may be disposed before and after the optical path of the partially transmissive partial reflective component. The same component is combined with the partially transmissive partial reflective element. The virtual and augmented reality combination device of claim 1, wherein the partially transmissive partial reflection element is provided with at least one mounting portion to mount the partially transmissive partial reflective element on the housing. The virtual and augmented reality combination device of claim 1, wherein the housing is provided with a first placement portion that is erected on the forehead of the user when the augmented reality mode is used. The virtual and augmented reality combination device of claim 1, wherein the partially transmissive partial reflection element is provided with a second placement portion, and the partially transmissive partial reflection element is coupled to the shell when augmenting the real mode The body is erected on the bridge of the user's nose. The virtual and augmented reality combination device of claim 1, further comprising a third placement portion for replacing the partially penetrating partial reflection element with the third placement portion, the third placement portion connecting the housing relative to On one side of the positive focal length optical system, at least one connecting portion is provided on the side adjacent to the housing to engage with the housing, and the other side is curved to be close to the eyelid shape of the user, so that the virtual reality The image of the environment mode is incident on the human eye through the third placement portion. The virtual and augmented reality combination device of claim 9, wherein the third placement portion comprises at least one lens having the same or a different focal length than the lens in the positive focal length optical system.