CN111338079A - Virtual and real image integration device - Google Patents

Abstract

The invention discloses a virtual and real image integrating device which comprises a display, a mirror surface, a reflector and a front cover. The display has a first side and a second side which are oppositely arranged. The mirror surface and the front cover are arranged on the first side of the display, the front cover is provided with a reflecting area, and the reflecting mirror is arranged on the second side of the display. The display emits image light from the first side, the image light is emitted to the mirror surface and is reflected to the reflecting mirror by the mirror surface, the reflecting mirror reflects the image light to the reflecting area of the front cover, and therefore a virtual image and an actual image presented by the image light in the reflecting area are combined into a virtual image and a real image. Accordingly, the device has the advantage of being light.

Description

Virtual and real image integration device

technical field

The present invention relates to a virtual and real image integration device, which is used to generate a virtual image, and a user can see the virtual image and the actual image at the same time through the virtual and real image integration device.

Background technique

In recent years, augmented reality (AR) devices have received more and more attention, and major companies have also launched AR platforms one after another. For example, Apple in the United States has released ARkit application program interface in 2017. However, the existing augmented reality devices often have the problem that the device is too heavy or too large. Therefore, how to design a lighter augmented reality device is a concern of those skilled in the art.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a virtual and real image integration device, which has the advantage of being light and lightweight. The virtual and real image integration device includes a display, a mirror, a reflector, and a front cover. The display has oppositely disposed first and second sides. The mirror is arranged on the first side of the display, the reflector is arranged on the second side of the display, and the front cover is arranged on the first side of the display, and the front cover has a reflection area. The display emits image light from the first side, the image light goes to the mirror surface and is reflected from the mirror surface to the reflector, the reflector reflects the image light to the reflective area of the front cover, and the virtual image and actual image presented by the image light in the reflective area Combined into virtual and real images.

In some embodiments, the above-mentioned front cover has a reflective layer, the reflective layer includes multiple layers of high and low refractive index staggered coatings, and has an average reflectivity greater than 50% for unpolarized light of 400 nm˜700 nm.

In some embodiments, the above-mentioned reflector includes a first reflector and a second reflector. The above-mentioned image light includes left-eye image light and right-eye image light, the left-eye image light is reflected from the mirror surface to the first reflecting mirror, and the right-eye image light is reflected from the mirror surface to the second reflecting mirror.

In some embodiments, the reflective area of the front cover includes a left-eye reflective area and a right-eye reflective area. The first reflecting mirror reflects the left-eye image light to the left-eye reflection area, and the second reflecting mirror reflects the right-eye image light to the right-eye reflection area.

In some embodiments, the left-eye image light and the right-eye image light are focused and imaged a distance away from one side of the front cover relative to the display.

In some embodiments, the aforementioned distance is substantially 1 meter.

In some embodiments, there is a parallax between the content of the left-eye image light and the content of the right-eye image light, whereby the virtual image includes a three-dimensional object.

In some embodiments, the above-mentioned display has a display surface to emit image light, and the included angle between the display surface and the surface of the front cover is less than or equal to 45 degrees.

In some embodiments, the above-mentioned mirror surface is disposed between the display and the front cover, and the included angle between the mirror surface and the surface of the front cover is less than or equal to 45 degrees.

In some embodiments, the above-mentioned virtual-real image integration device further includes a support member for abutting on the nose of the user, wherein the reflector is integrated on the support member.

The above-mentioned virtual-real image integration device adopts reflective AR development, which can have the advantage of being portable. In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.

Description of drawings

FIG. 1 is a schematic top view illustrating a virtual and real image integration device according to an embodiment.

FIG. 2 is a schematic side view illustrating a virtual and real image integration device according to an embodiment.

FIG. 3 is a schematic diagram illustrating a light path in a side view of a virtual-real image integration device according to an embodiment.

Detailed ways

The "first", "second", .

FIG. 1 is a schematic top view illustrating a virtual and real image integration device according to an embodiment. Referring to FIG. 1 , the virtual and real image integration device 100 includes a display 110 , a mirror surface 120 , a first reflector 131 , a second reflector 132 and a front cover 140 . The display 110 may be an organic light-emitting diode (OLED) panel, a liquid crystal display panel, or other devices capable of providing image light. The mirror surface 120, the first reflecting mirror 131, and the second reflecting mirror 132 may include glass, a reflective coating, or other paints or elements that can reflect light. The front cover 140 is located in front of the user's sight, and the material of the front cover 140 may include glass, resin or polycarbonate. In some embodiments, the virtual and real image integration device 100 is actually a snow cover (ie, the shape of snow goggles worn when skiing), but in other embodiments, it can have any shape, and the present invention does not limit the virtual and real image integration device 100 in size, shape, and material.

The display 110 has a first side 110 a and a second side 110 b opposite to each other. The mirror surface 120 and the front cover 140 are disposed on the first side 110 a , wherein the mirror surface 120 is disposed between the display 110 and the front cover 140 . On the other hand, the first reflecting mirror 131 and the second reflecting mirror 132 are disposed on the second side 110b. The display 110 is used for emitting image light 150 . In some embodiments, the image light 150 includes a left-eye image light 151 and a right-eye image light 152 . It should be noted that the left-eye image light 151 and the right-eye image light 152 are emitted by the same display 110 . Compared with some conventional technologies, the left-eye image light and the right-eye image light are respectively emitted by two independent displays. This embodiment The virtual and real image integration device 100 has the advantage of being more portable.

The left-eye image light 151 and the right-eye image light 152 are directed to the mirror surface 120 , and the left-eye image light 151 and the right-eye image light 152 are reflected by the mirror surface 120 to the first reflecting mirror 131 and the second reflecting mirror 132 , respectively. The first reflecting mirror 131 and the second reflecting mirror 132 will reflect the image light 150 to the front cover 140, and the front cover 140 will project at least part of the image light 150 to the human eyes, so that the user can see a virtual image . In addition, the light 170 entering from outside the front cover 140 is also projected to the human eyes, so the user will also see an actual image, and the actual image will be combined with the above-mentioned virtual image to form a virtual and real image.

Specifically, the front cover 140 has a first surface 141 and a second surface 142 opposite to each other, wherein the first surface 141 faces the display 110 . A reflective layer 143 is disposed on the first surface 141. The reflective layer 143 includes multiple layers of high and low refractive index staggered coatings, and has an average reflectivity of 50% or more for unpolarized light of 400 nm to 700 nm, because the wavelength is 400 nm to 700 nm. The light is visible light. If the reflectivity in this wavelength range is too low, the image on the reflective layer 143 will be unclear. The reflection layer 143 has a first reflection area 161 and a second reflection area 162 thereon. The first mirror 131 reflects the left-eye image light 151 to the left-eye reflection area 161 , and the left-eye reflection area 161 may reflect at least part of the left-eye image light 151 to the user's left eye. In addition, the second mirror 132 reflects the right-eye image light 152 to the right-eye reflection area 162, and the right-eye reflection area 162 reflects at least part of the right-eye image light 152 to the user's right eye. The left eye reflection area 161 and the right eye reflection area 162 in FIG. 1 are only for illustration. The present invention does not limit the size and position of the left eye reflection area 161 and the right eye reflection area 162. In some embodiments, the left eye reflection area The 161 and the right eye reflection area 162 may also be connected to each other, which is not limited in the present invention.

In some embodiments, by adjusting the focus position of the light, the left-eye image light 151 and the right-eye image light 152 can be focused and imaged on a distance D outside the side of the front cover 140 relative to the display 110 , in other words, the user Visually, the above virtual image is considered to be located at distance D. In the prior art, the image light 150 is focused and imaged on the reflective layer 143, and the distance between the reflective layer 143 and the human eye is too close, which may easily cause visual fatigue of the user. In contrast, in this embodiment, the virtual image is focused and imaged. At distance D, this reduces visual fatigue. The above-mentioned distance D is, for example, substantially 1 meter (the error may be within 20%), but in other embodiments, it may be substantially 80 cm, 2 meters or any other suitable length. In some embodiments, there is a disparity between the content of the left-eye image light 151 and the content of the right-eye image light 152 , whereby the above-mentioned virtual image includes three-dimensional objects.

FIG. 2 is a schematic side view illustrating a virtual and real image integration device according to an embodiment. Please refer to FIG. 1 and FIG. 2 , in some embodiments, the virtual-real image integration device further includes a support member 160 , the support member 160 is used to abut on the nose of the user, wherein the first reflector 131 is integrated on the support member 160 . piece 160. For example, the first reflector 131 may be located in front of and above the bridge of the nose. It is worth noting that since FIG. 2 is a side view, only the first reflector 131 is shown, but a second reflector 132 (not shown in FIG. 2 ) is also provided on the other side of the nose. The mirror 132 is arranged on the support on the other side of the nose. In this embodiment, there are two mirrors 131, 132, but in some embodiments, only one mirror may be provided, which is located on either side of the nose. In such an example, the display 110 may emit only one image light ( rather than two), the present invention is not limited thereto.

FIG. 3 is a schematic diagram illustrating a light path in a side view of a virtual-real image integration device according to an embodiment. Referring to FIG. 3 , from a side view, the image light 150 emitted by the display 110 will be directed to the mirror surface 120 , and then reflected by the mirror surface 120 and then directed to the first reflecting mirror 131 and the second reflecting mirror 132 , and then the first reflecting mirror 131 , the second reflection mirror 132 reflects the image light 150 to the reflection area on the front cover 140 . In this embodiment, the display 110 and the lens 120 are arranged approximately vertically, whereby the front and rear thickness of the virtual and real image integration device 100 can be reduced. Specifically, the display 110 has a display surface 310 for emitting the image light 150 , and the included angle θ between the display surface 310 and the first surface 141 of the front cover is less than or equal to 45 degrees. In addition, the included angle between the mirror surface 120 and the first surface 141 is also less than or equal to 45 degrees.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Any person skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention should be determined by the claims.

Claims (10)

1. A device for integrating virtual and real images, comprising: a display having oppositely disposed first and second sides; a mirror surface, arranged on the first side of the display; a reflector disposed on the second side of the display; and a front cover, disposed on the first side of the display, the front cover has a reflection area, The display emits image light from the first side, the image light is emitted to the mirror surface and reflected from the mirror surface to the reflector, and the reflector reflects the image light to the front cover the reflection area, whereby the virtual image presented by the image light in the reflection area is combined with the actual image to form a virtual and real image. 2 . The virtual and real image integration device according to claim 1 , wherein the front cover has a reflective layer, and the reflective layer comprises a multi-layer high and low refractive index staggered coating, and the average value of the unpolarized light of 400nm～700nm The reflectivity is greater than 50%. 3 . The virtual-real image integration device according to claim 1 , wherein the reflecting mirror comprises a first reflecting mirror and a second reflecting mirror, the image light includes a left-eye image light and a right-eye image light, and the The left-eye image light is reflected from the mirror to the first mirror, and the right-eye image light is reflected from the mirror to the second mirror. 4 . The virtual-real image integration device according to claim 3 , wherein the reflection area of the front cover comprises a left-eye reflection area and a right-eye reflection area, and the first reflection mirror integrates the left-eye image. 5 . The light is reflected to the left eye reflection area, and the second mirror reflects the right eye image light to the right eye reflection area. 5 . The virtual-real image integration device according to claim 4 , wherein the left-eye image light and the right-eye image light are focused and imaged on a section other than the side of the front cover relative to the display. 6 . distance. 6 . The virtual-real image integration device of claim 5 , wherein the distance is substantially 1 meter. 7 . 7 . The virtual-real image integration device of claim 4 , wherein the content of the left-eye image light and the content of the right-eye image light have parallax, whereby the virtual image includes a three-dimensional object. 8 . 8 . The virtual-real image integration device according to claim 1 , wherein the display has a display surface to emit the image light, and an included angle between the display surface and the surface of the front cover is less than or equal to 45 . Spend. 9 . The virtual and real image integration device according to claim 1 , wherein the mirror surface is disposed between the display and the front cover, and the angle between the mirror surface and the surface of the front cover is less than 9 . Equal to 45 degrees. 10. The virtual-real image integration device of claim 1, further comprising: a support piece for resting on the nose of the user, wherein the reflector is integrated on the support piece.

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