CN214335377U - Full-color high-definition (5 k-8 k) high-brightness double-vertical-screen stereo image viewing device - Google Patents

Abstract

The utility model relates to a full-color high definition (5k ~ 8k) two vertical screen of high luminance observe three-dimensional image device, including two antisymmetric eccentric lens, porose barn door and spiral before the lens. The stereo glasses frame is hung on a glasses frame which is provided with a rectangular frame and is provided with two glasses legs, so that the stereo glasses frame becomes the stereo mobile phone glasses. The stereo glasses frame and the mobile phone with two parts standing side by side can also be packaged in a box, the stereo glasses frame is arranged at the front upper end of the box, and the watching objects are the left eye image and the right eye image on the mobile phone screen with two parts standing side by side. The mobile phone is inserted into the rear end of the box, the central distance between the two eccentric lenses is adjusted, a spiral is arranged at the lower end of the box, and the distance between the two eccentric lenses and the mobile phone screen is adjusted, so that the mobile phone is a 'double-vertical-screen stereoscopic image viewer'. The utility model is used for watch the stereopair of perpendicular bat. Such as personal stereo-portrait, wedding photography, medical treatment, cultural relic presentation, stereo-self-media presentation and watching, digital storage and exhibition of precious cultural relics, and can see full-color, ultrahigh-definition and high-brightness stereo images.

Description

Full-color high-definition (5 k-8 k) high-brightness double-vertical-screen stereo image viewing device

Technical Field

The utility model relates to a device for viewing three-dimensional images, in particular to a device for viewing three-dimensional images with full-color high-definition (5 k-8 k) and high-brightness double vertical screens, which is designed under the guidance of newly-created theory of non-paraxial optics.

Background

Since the concept of the eccentric lens is proposed by the author himself for the first time in 2009, it is found in practice that the eccentric lens can make the left and right eye images transversely move, so as to satisfy one of the important conditions required to obtain a stereoscopic image, i.e. the left and right eye images must be magnified and then completely overlapped at the positions where they form virtual images to see a good stereoscopic image, so that stereoscopic glasses are designed for notebook computers, ipads, desktop computers, television screens and the like, and the invention patent CN200910070421.0, entitled "full-color high-definition glasses type stereoscopic viewer device", is mainly designed under the condition that the areas of the original left and right eye images are relatively large, so that the focal length of the main lens is relatively long, so that a person can see the image at a far position, and the magnification is not large, otherwise, a mosaic appears, but the eccentric distance must be relatively large, otherwise the left and right eye images cannot be overlapped at the positions where the virtual images form the positive images, and no stereoscopic image is visible.

After that, stereoscopic glasses are popular in the market, which are made of two triangular prisms, and the size of the vertex angle is selected to enable left and right eye images on a computer or a television screen to be superposed to obtain a stereoscopic image. This is described in the above prior patents, which only assist the viewer in viewing a large screen using an eccentric lens, and when the images of the left and right eyes are still overlapped, the images may be completely overlapped by inserting a pair of three prisms with small vertex angles in front of the left and right lenses of the stereoscopic glasses. Because the vertex angle is very little, the damage to the image is negligible.

Since 2013, with the development of mobile phone touch screens, the area of a mobile phone display screen is larger and the definition of the screen is higher, and in order to obtain a 3D display system with the highest definition, chinese patent CN201410554496.7 has been reported, and the name of the invention is: a stereoscopic viewer and a personal stereoscopic cinema device with a 4G communication system. Two mobile phones with the same model are determined to be positioned on two sides of the V-shaped plane mirror, and a standard 16 is displayed on the display screen of one mobile phone: the left eye image of 9 is located on the left side of the V-shaped plane mirror, and the standard 16 is displayed on the display screen of the other mobile phone: the right eye image of 9 is positioned on the right side of the V-shaped plane mirror, so that the left and right eye virtual images formed by the V-shaped mirror are positioned at the front end of the V-shaped mirror and partially overlapped, and then are further completely overlapped by using eccentric lenses of the left and right eyes, so that the human eyes see the stereoscopic vision. Because the superposition is good, the image looks not dizzy, and because the adopted lens is made of K9 glass, the light transmittance is 100 percent, the V-shaped reflective mirror is a silver-plated film, the reflectivity is also close to 100 percent, and the image does not generate aberration except for horizontally reversing (namely mirroring). Of course, off-center lens aberrations are inevitable. However, because a large original imaging surface is used, the required magnification is small, so that the aberration looks unnoticeable, and when the requirement is high, a compound lens can be adopted to eliminate some particularly remarkable aberrations, which can be done by a fixed program. The comparison can be performed by using a single-screen machine (often called VR) which is made by a mobile phone and is popular at present.

The single screen machine refers to two standard 16: the standard left and right eye images of 9 are placed side by side in a 16: on the display screen of 9, therefore, the upper and lower ends of the mobile phone screen will be left one by one, which is easy to calculate, at this time, the area of the original image is only 1/4 of the double-sided screen (it occupies the full screen), i.e. the size in the x direction and the y direction is only 1/2, therefore, the magnification of the single-screen machine must be 2 times that of the double-screen machine to achieve the same size of the stereoscopic image as the double-sided screen machine. According to some basic knowledge of the theory of lens aberrations, aberrations increase dramatically for larger magnifications. The aberration is increased by different factors. Let the magnification be m, the distortion be proportional to the 3 rd power of m, the coma be proportional to the 2 nd power of m, and the field curvature and astigmatism be proportional to the 1 st power of m (i.e., directly proportional to the magnification). Therefore, the aberration of the double-side-screen stereo imager is much smaller than that of a single-screen stereo imager (usually called VR directly), the aberration of the double-side-screen stereo imager is only 1/8 of a single screen according to the theory of the aberration, the coma aberration is only 1/4, and the astigmatism and the curvature of field are only 1/2. Naturally much smaller than those of the original images of less than 1 inch using LCOS or the like. This is why in the double-sided screen design we see the magnified image using only a pair of single eccentric lenses also do not see substantially any aberrations, if higher magnification is used, a compound eccentric lens can be used. So that a higher quality three-dimensional image with a larger latent image is formed. It can be seen that there are considerable advantages to using two cell phones to obtain a stereoscopic image of high imaging quality.

As early as the end of the last century and early in the century, the problem of how to form an ideal stereoscopic image is considered, and it is gradually established that the following 5 conditions must be satisfied to obtain an ideal stereoscopic image:

1) perfect left and right eye plane images should be used (this is a prerequisite).

2) The left and right eye images must arrive at and completely coincide at a suitable imaging position in front of the eyes at the same time, otherwise no stereoscopic image is formed.

3) It must be ensured that the left eye can only see the left eye image and the right eye can only see the right eye image, otherwise crosstalk will occur.

4) It is necessary that the left and right images are combined into a stereoscopic image without any loss (including sharpness, brightness, color, gray scale, etc.), and that the image is stable and does not have to be sparkled.

5) The aberrations that must be produced when the original is magnified should remain within a range that is imperceptible to the human eye.

The first of these can be said to be a precondition. After hundreds of years of planar photography and the development of stereoscopic movies for nearly two decades, these professional 3D film makers can be said to be quite perfect, and even the professional photographers can do the same well with better performance mobile phones. The photographed left-eye image and right-eye image can be put together Side by Side (Side by Side) or put together in a way of being overlapped Up and Down (Up & Down) to be made into a video tape or played in real time, and the problem of how to play the images is solved if the production task is finished. Stereoscopic movies or stereoscopic television or so-called naked-eye 3D, which have different approaches to meet these requirements, have their own disadvantages. For example, a movie theater uses two polarized lights with mutually perpendicular polarization directions to respectively show a left-eye image and a right-eye image, and the two polarized lights are projected on the same screen, so that the condition 2) is satisfied, and then polarized glasses are worn for viewing, so that only the polarized light image for displaying the left-eye image can be seen by the left-eye glasses, only the polarized light image for displaying the right-eye image can be seen by the right-eye glasses, and the condition 3 is satisfied). But not absolutely, the left-eye polarizer can also see a little right-eye image, and the right-eye polarizer can also see a little left-eye image, which causes crosstalk.

And for example, stereoscopic televisions, which are viewed using liquid crystal shutter stereoscopic glasses. The method uses a time division method, namely when the previous frame of image is a left-eye image, the liquid crystal shutter of the left eye is opened, the liquid crystal shutter of the right eye is closed, when the next frame of image is displayed as a right-eye image, the liquid crystal shutter of the right eye is opened, the liquid crystal shutter of the left eye is closed, so that the condition 3 is met, and simultaneously the images are displayed on the same television screen, so that the conditions 2) are met, the images are switched back and forth along with the change of frame frequency, people feel flickering, the images are uncomfortable to look at, and the frame frequency is improved from 50/60 Hertz to 120 Hertz or even 240 Hertz later, so the situation is improved. In both of the polarizer and the liquid crystal shutter, the transmittance is only about 50%, and the polarizer and the liquid crystal shutter itself are slightly gray and slightly affect the saturation of colors, so that it is difficult to satisfy the condition 4).

As for naked-eye 3D made by cylindrical micromirrors, it has a long history, and the viewing of stereo by naked eyes is really attractive, but its fatal weakness is that the definition is reduced by half, and stereo can be seen only by standing at some proper position. This is because the left and right eye images are divided into grid lines and embedded with each other, that is, a thin left eye image, and a thin right eye image are arranged next to each other and spread over the same display screen, which satisfies condition 2) and then a cylindrical micromirror is placed at the boundary between them, so that the left eye can only see the left eye image, and the right eye can only see the right eye image, which satisfies condition 3), therefore, the stereoscopic vision is obtained at the expense of half of the definition degrees, which is determined by the imaging itself, and it is impossible to increase the definition degrees by improvement. And it is difficult to visualize a large depth of field. The so-called holographic imaging method is an ideal imaging method, and is seen with the naked eye everywhere, but it is still under study, but it is still necessary to make the reality as long as possible. It is difficult to satisfy the above-mentioned requirement of the 2) with the conventional image forming method.

The conventional optics refers to optics that we have learned from middle school to university, namely paraxial optics (also called gaussian optics). The optical imaging rule of the rotationally symmetric lens near the symmetry axis is studied scientifically, so the lens is called as paraxial optics, and the lens is called as Gauss optics because the most thorough bracket of the German scientist is in the morning 180 years ago. Have achieved quite brilliant results. Inventions such as microscopes, telescopes, electron microscopes and radio astronomical telescopes all rely on this. However, it can only enlarge or reduce the object image along the direction of the symmetry axis, and move away or draw close, but cannot make the image move laterally, and it is set that the human eyes always look toward the optical axis, so it is impossible to enlarge and superimpose two parallel left and right eye images together, so it is difficult to satisfy the 2 nd) necessary condition for forming a stereoscopic image.

Only the so-called off-center lens optical shift method, which is formed by a path guided by non-paraxial optics, can be described here, is the most ideal 3D imaging method which can be achieved at present, and is the most realistic method at present, and is realized. And the stereo view can be watched by the naked eyes in a quasi-state without wearing special glasses, the remote view feeling of the face window is realized, and the closer the window is, the larger the viewing field is. Therefore, the method is called quasi-naked eye.

Creation of non-paraxial optics (see FIG. 4)

Careful study of the rotationally symmetric optical system indicates that: paraxial rays emanating from a point can be focused into an image, which produces gaussian optics. Further studies indicate that non-paraxial rays emanating from this point can also be imaged in focus. Except that the two imaging planes are not in the same position. Non-paraxial rays interfere with and destroy paraxial imaging, which is the goal of aberration research, and conversely, if the subject of the imaging is changed to non-paraxial rays, these paraxial rays become interfering and destroying. A complete set of non-paraxial optical imaging theories and corresponding aberration theories may also be developed. However, there are two significant differences:

(A) focal point F of non-paraxial optics_dAnd focal length f_dUnlike the definition of the focal point F and focal length F of paraxial optics.

For an axisymmetric system, the optical path in the meridian plane of the lens (the plane containing the axis of symmetry) can represent the actual condition of the lens. F_dIt is an intersection point of a parallel ray located in a meridian plane (a plane including the rotational symmetry axis Z) at a distance d (called eccentricity) from the symmetry axis Z and the Z axis after being refracted by the lens. And a focal length f_dRefers to the distance of the point from the center of the lens. Obviously, the focus and focal length are functions of the radius of curvature, refractive index N and eccentricity d of the upper and lower ytterbium-transmitting curved surfaces.

For the simple case of a plano-convex thin lens, the following simple formula is available for finding the focal length:

(1)

where R is the curvature radius of the convex surface and the refractive index n is assumed to be 1.5. The eccentric focal length f is determined by giving the curvature radius and the refractive index N of two surfaces for a specific lens and using a general optical method to determine the position of the main plane_dIs the focal point F_dThe distance from the main plane can be accurately calculated.

(B) Imaging formula for non-paraxial optics

Let a be the object distance, b be the image distance, and the magnification of the eccentric lens be M_d,The imaging formula for non-paraxial optics (also called non-gaussian optics) is similar to gaussian optics, but the focal length f_dThe focal length f is different from that of gaussian optics and the viewing position is also different.

b= f_d×a/（f_d-a） (2)

M_d= b/a = f_d/（f_d-a） (3)

When the eccentricity d tends to zero, f_dIs the Gaussian focal length f, which is equal to the heightThe gaussian imaging equations are consistent. The non-paraxial optics is an extension of the gaussian paraxial optics. Somewhat similar to the relationship between euclidean geometry in middle schools and non-euclidean geometry later developed. In the simplest case, the geometry on a sphere and the geometry on a plane are different, so that the sum of the three interior angles of the triangle does not equal 180 degrees. But as the spherical radii tend to infinity, they are perfectly uniform. Riemann geometry is also a non-European geometry, and Einstein has just made use of the general relativity theory.

(C) The human eye is located at an eccentric point, i.e. a lateral shift of the image can be seen

When a human eye (for example, the left eye (fig. 4) looks at the symmetric axis, but looks at an eccentric point O '(or D) which is a distance D (eccentricity) from the central symmetric axis, a wonderful event occurs, after an incident ray parallel to the Z axis enters the pupil of the human eye, the human eye feels obliquely incident, and a ray which passes through the object focal point and strikes the eccentric point D (i.e., fig. 4, O' point) feels that it is a ray which is perpendicular to the human eye, so that it feels that the magnified virtual image formed at the front end is integrally laterally moved, the amount of lateral movement is T, or the deflection angle generated by the lateral movement is γ, which is mathematically calculated as:

T = d[(f_d/（f_d–a)-1] = d[M_d–1] (4)

γ = tan^-1[d(1/a-1/b)] (5)

the amount of image shift T seen from (4) is proportional to the eccentricity d and coincides with the direction of d. d and f_dAfter the determination, only the object distance a is related, so that the object distance is fixed, the position of the image is also uniquely determined, and the whole image is a T with the same transverse movement, so that the image is displaced as a whole without generating image distortion.

Non-paraxial optics has thus far formed a relatively complete theory with its own imaging formula and quantitative knowledge of the lateral shift of the resulting image. Note that the human eye is looking through the eccentric point D. This leads to the concept of "eccentric lenses".

When a lens is cut out in a circle according to the size of the lens with an eccentric point D (i.e., O') as a center, the human eye views the lens with one eye toward the center of the eccentric lens (i.e., the original eccentric point D), and if the point D is located at the right of the center point O of the main lens, the cut off eccentric lens appears thicker on the left and thinner on the right, and the viewed image is laterally shifted to the right (positive X direction). If this eccentric lens is used as the lens in front of the left eye of the person, this causes the magnified left eye image to shift to the right, and similarly, if point D is to the left of point O, the truncated eccentric lens appears thinner to the left and thicker to the right, and the image is seen to shift laterally to the left (negative X direction). In this case, if this eccentric lens is used as a lens in front of the right eye of a person, this does not shift the magnified right eye image to the left. Therefore, the left eye image and the right eye image are close to each other towards the central axis direction, the eccentricity d is adjusted, the left eye image and the right eye image are completely overlapped, and the 2) necessary condition for obtaining a perfect three-dimensional image cannot be met, namely the perfect three-dimensional image is the most successful part of non-paraxial optics.

Since the left and right eye images are completely isolated and the enlarged images of the left and right eyes are completely overlapped with each other in the virtual image space, the 3) essential condition is satisfied and there is no crosstalk with each other at all.

The lens is made of K9 optical glass, and silver-plated light reflection is adopted in the double-side-screen stereo imager, so that the light transmittance and the light reflection rate are close to 100%, the color, the gray scale and the like cannot be changed, the 4) essential condition is satisfied, the 5) essential condition is satisfied, and the lens is inevitably generated in a magnifying system using the lens. But the original imaging surface we have used is larger. I.e. covering the entire cell phone screen up to 6-7 inches, the required magnification is small and therefore not significant, even if a single eccentric lens is used as the front left and right eye lens the result is satisfactory. Of course, it is particularly advantageous to eliminate distortion if a compound lens is used. This aspect has been well established to achieve the desired height.

The 3D producer in this respect has done quite well with respect to the 1 st) condition. Even if the shooting definition of the smart phone, such as the lower-end P20, reaches the definition of 4K, the P40 and Mate series are naturally better.

The technical route opened up by non-paraxial optics therefore satisfies almost all the conditions for the formation of perfect stereoscopic images. At present, it is a technique that is most promising to be realized immediately in connection with the switch of life. The double-side-screen stereo imager is popular at home and abroad, and the reliability of the theory is proved from the other side.

Disclosure of Invention

The utility model aims at providing full-color high definition (5K ~ 8K) high luminance two perpendicular screens are looked like device stereoscopically, provide a pair of excellent performance's three-dimensional glasses to intelligent high definition cell-phone, or install the cell-phone that is erecting in a box with the eye socket and two to reach and observe the superelevation and please 5K ~ 8K, full-color, high luminance, people's eye can not perceive the more perfect stereoscopic image of aberration.

The utility model provides a full-color high definition (5k ~ 8k) highlight useless two vertical screens watch the technical scheme of three-dimensional like device as follows:

a stereoscopic image viewing device mainly comprises an eccentric lens and a lens support, wherein the eccentric lens is provided with a light barrier with a light hole and is connected with the lens support, the distance between the geometric centers of the circle centers of a left eccentric lens and a right eccentric lens is larger than the distance between the centers of two eyeballs of a person, and the distance is 56-76 mm and is adjustable.

The non-paraxial optical imaging formula for an eccentric lens is written as an analytical formula (a thin lens approximation is made on a plano-convex lens and its refractive index N is assumed to be 1.5):

(1)

b=f_d×a/（f_d-a） (2)

M_d=b/a=f_d/（f_d-a） (3)

T=d[(f_d/（f_d–a)-1] (4)

γ=tan^-1[d(1/a-1/b)] (5)

wherein the content of the first and second substances,f_dis the focal length of the eccentric lens, R is the radius of the main lens, a is the object distance, b is the image distance, M_dIs the magnification factor, d is the eccentricity, T is the amount of lateral displacement of the magnified image, and γ is the magnitude of the deflection angle.

A smaller circular lens truncated from the original main lens is called an eccentric lens, the focal point F of which is_dIs the intersection point of the parallel light rays passing through the eccentric point and the central axis of the original main lens, and the distance between the intersection point and the center of the original lens is called the focal length f of the eccentric lens_dObject distance a and image distance b and magnification M_dIt is consistent with the definition of paraxial optics.

The absolute value of the eccentricity of the eccentric lens is smaller than the radius of the eccentric lens, when the eccentricity approaches zero, the non-paraxial optical imaging formula is completely the same as the Gaussian optical imaging formula, and the transverse displacement and the deflection angle also approach zero.

In the stereoscopic image viewing device, the eccentric lens is obtained by a main lens which is composed of two coaxial spherical surfaces, the spherical surface with small curvature radius is far away from eyes, and the spherical surface with large curvature radius is nearest to eyes; the curvature radius can be increased to infinity, which is then a plane; the cross section of the main lens, namely a plane containing the rotational symmetry axis of the main lens and the cross section of the lens are half-moon-shaped, namely one surface is convex, and the other surface is slightly concave; the human eye looks towards the slightly concave surface; the diameter of the main lens is 30-60 mm; the Gaussian focal length f is 60-120 mm; the eccentricity is 1-16 mm, so that two corresponding eccentric points are located at the paired positions of two points-1 mm, +1mm to-16, +16 from the center of the lens; taking an eccentric point as a circle center and taking 14-28 mm as a radius to make a circle, cutting out a circular lens sheet from the main lens, wherein the circular lens sheet with the diameter of 28-56 mm is an eccentric lens; if the eccentric point is located at the right side of the main lens, i.e., in the direction of the positive X-axis, the truncated eccentric lens is used as a left-eye eccentric lens, which is thicker at the left side and thinner at the right side; if the decentering point is located on the left side of the main lens, i.e., in the direction of the negative X-axis, the truncated decentering lens is used as a right-eye decentering lens when it is thicker on the right side and thinner on the left side, and the decentering focal length f of the decentering lens_dGauss as a function of f and dThe focal length f is small, the cross section cut along the diameter is also half-moon-shaped, and the flatter surface faces the human eyes.

In the stereoscopic image viewing device, the eccentric lens is obtained by the main lens, and when the required eccentricity is much smaller than the radius of the main lens, namely, the eccentricity is only a few millimeters, the main lens is directly used as the eccentric lens; when the stereoscopic glasses are designed, the eccentric point of the main lens used as the eccentric lens in the positive X direction is directly aligned with the pupil of the left eye, and the eccentric point of the main lens used as the eccentric lens in the negative X direction is directly aligned with the pupil of the right eye, which is particularly important in the design of a device for adjusting the distance between the left and right glasses, the distance between the two centers of circles of the main lens is necessarily greater than the distance between the pupils of the two eyes of a viewer, which is almost a law of gold and is not violated. The specific size of the space is determined by the size of the eccentricity required to enable the left eye image and the right eye image to be completely overlapped.

In the device for adjusting the distance between the two circle centers, the initial positions of the two lenses are arranged in the manner described above, so that the adjustment range of the eccentricity of the circular lens can be widened when the circular lens is used as an eccentric lens. The stereoscopic image viewing device is characterized in that a light blocking sheet with holes is added in front of the eccentric lens, the shapes of the holes are different according to different applications, the requirement that the left eye and the right eye see all stereoscopic images is met, the surrounding parts which do not need to be seen are isolated, the holes are symmetrical up and down, and the light blocking plates in front of the left eccentric lens and the right eccentric lens are in left-right antisymmetric shapes.

The device for viewing the stereoscopic images is arranged on a spectacle frame with two legs to form a glasses type mobile phone type stereoscopic image viewer or B-type stereoscopic spectacles, which can be directly called as mobile phone stereoscopic spectacles and correspondingly view stereoscopic images on two mobile phones standing side by side, and the two mobile phones standing side by side are arranged on a special support and can be inclined forwards by a certain angle according to requirements so as to be convenient to view. The left cell phone screen shows a left eye plane image, and the right cell phone screen shows a right eye plane image; when dynamic recording is played, synchronous software Syncplayer is installed in the left mobile phone and the right mobile phone so as to ensure that the separated left eye image and the right eye image can be played in a walking manner; when watching, the mobile phone stereoscopic glasses are placed at the position 7-11 cm away from the mobile phone screen in the middle, the eccentricity is placed at the position of about 5mm, and the stereoscopic images are seen by wearing the stereoscopic glasses; and the front and back positions are slowly moved to be most clear, and then the screw above the glasses is finely adjusted to ensure that the left and right eye images are completely overlapped and are more comfortable to see until the eyes are not tired.

The device for viewing the stereoscopic image is not required to be used for vertically arranging two parallel mobile phones, but only one mobile phone is transversely arranged and fixed, the parallel left eye image and right eye image are displayed on the screen surface of the mobile phone and are fixed by a small support and slightly lean forward, at the moment, the distance between eccentric lenses is adjusted to be smaller, so that the eccentric distance is smaller, and the stereoscopic image can be seen by the stereoscopic glasses within the range of about 7-11 cm away from the screen; the glasses frame and the mobile phone can also be arranged in a box, and a regulating device for regulating the distance between the two eccentric lenses and the screen surface of the mobile phone is added to form the head-wearing VR helmet.

The stereoscopic image viewing device and two mobile phones which are vertically arranged side by side are arranged in a box, the stereoscopic image viewing device is not embedded in a glasses frame, but is arranged at the front upper end of the box, and the viewing objects of the stereoscopic image viewing device are a left eye image and a right eye image which are vertically arranged on a mobile phone screen side by side; the lens is inserted into the rear end of the box to form a double-vertical-row three-dimensional viewer, the adjusting distance of the central distance between the two eccentric lenses is kept between 60 and 95mm, a screw is arranged at the lower end of the lens to adjust the distance between a mobile phone display screen and the eccentric lenses, and the adjusting range is 70 to 120 mm; when the intermediate value of the two data is adjusted, the human eyes can see the three-dimensional image when approaching the observation window; the lower part screw is adjusted until the image is clearest, the upper part screw is adjusted to enable the left eye image and the right eye image to be just overlapped, so that the user can look more comfortable, the user only needs to look forward without wearing special stereoscopic glasses, the visual field of the user is larger as the user is closer to the eccentric lens, and the system is a quasi-naked eye system. This device is simply referred to as a "dual-portrait stereoscopic viewer".

When the stereoscopic image viewing device is applied to a high-definition remote monitoring system, a pair of mobile phone 3D cameras are used for vertically shooting a left-eye stereoscopic image and a right-eye stereoscopic image, the images are respectively and directly transmitted to a left mobile phone and a right mobile phone of a double-vertical-screen stereoscopic image viewing device through 4G or 5G to instantly view the stereoscopic image at the shooting position, and a high-definition remote real-time monitoring system is formed; if the inputted professional synthesized stereo image is the stereo image which is parallel to the left and the right, the application software divides the image into an independent left eye image and an independent right eye image and then respectively inputs the images; if the left eye image and the right eye image which are horizontally shot are input respectively, a three-dimensional image can be observed, and only the three-dimensional image at the moment becomes smaller.

In the stereoscopic image viewing device, the perceived clear degrees is the sum of the clear degrees of the two cell phone screens, and if a cell phone screen with 2560 × 1440 pixels is adopted, the clear degrees of the stereoscopic image is 2 × 2560, namely 5 k; the adopted 3840 x 2160 pixel display screen has the definition of 8K, and the original optical system does not need to be changed.

The stereoscopic image viewing device can also obtain the same result by directly using only the display screen of the mobile phone or two special high-definition display screens instead of directly using the mobile phone, namely the perceived stereoscopic image definition is the definition of 2 multiplied by the display screen.

The utility model provides a three-dimensional image device is watched to two perpendicular screens of full-color high definition (5k ~ 8k) hi-lite, its characteristics detail as follows:

it should be noted that in CN201410554496.7, the standard image of 16:9 is approaching to the goal of full-color ultra-high definition (5 k-8 k) high brightness, and since the adopted image is directly the mobile phone screen, it is produced by hundreds of millions every year, and its cost performance is naturally the highest. However, this system cannot sufficiently exhibit its effect on a vertically shot stereoscopic image. This aspect is more useful for personal use. For example: character three-dimensional portraits, wedding photography, children's temperament and interest, live broadcasting from media, close-up of lenses, and the like. Professional aspects: medical treatment, valuable historical relic show, sculpture, handicraft and industrial product etc. mostly all erect the bat, and height-width ratio is mostly 4: 3, and therefore the patent is also based on the principle of non-paraxial optics, determining the parameters of an eccentric lens in order to achieve the best 3D viewing effect for this type of application. The eccentric lens used for manufacturing the (B-type or mobile phone) stereo glasses is greatly different from the stereo glasses (A-type or computer) which are mainly used for watching computer screens in the invention patent CN200910070421.0 of the prior art, the left eye image and the right eye image watched by the A-type stereo glasses are larger, the focal length of the eccentric lens is very long and is generally between 260 and 360mm, a viewer is far from the screen by 250cm to several meters, and the magnification is very small and is about 1.2 to 1.8 times. Because the centers of the left and right eye images are far apart, and the distance between the centers of the left and right eye images covering the notebook computer is about 170mm, the required eccentricity is also large, generally between 25-35 mm; the existing B-type (mobile phone) stereo glasses have great difference with the A-type (computer), the eccentric lenses are mainly used for watching left and right eye images on vertical screens of two mobile phones, when the two mobile phones with 6-7 inches are placed vertically and side by side, the center distance of the two mobile phones is about 75-87 mm, the eccentric focal distance of the two mobile phones is within 90-110mm, the watching distance from the screens is about 70-100mm, the magnification factor of the two mobile phones is more than 1.8 times, and the two mobile phones are most suitable for being positioned 3-15 times. The eccentricity is 2-14 mm. The B-type stereo glasses also take care of the situation that the stereo image is viewed by using a display screen of a 6-7 inch mobile phone, and the eccentric distance is required to be smaller because the left eye image and the right eye image are transversely distributed on the mobile phone screen in parallel, the central distance between the left eye image and the right eye image is about 66-78 mm (smaller than the central distance between the left eye image and the right eye image which is 75-87 mm) in parallel. Therefore, if the focal length and the eccentricity of the eccentric lens and the distance between the eccentric lens and the display screen are within the above ranges, both the above situations are already considered. It should also be noted that the distance of the display screen from the lens (i.e., the object distance) should be less than the off-center focal length so that the virtual image formed is an erect image.

The interpupillary distance of human eyes varies from person to person, the mean square value of an adult is generally about 65mm, the interpupillary distance of children over 8 years old is lower by several mm, and the pupil distance of children is higher by several mm than the mean square value. When the distance between the eccentric lenses is adjusted conditionally, the central points of the two eccentric lenses are aligned with the central points of the pupils of two eyes, and then the user can see that the left and right eye images are well overlapped and look at a comfortable three-dimensional image. Sometimes, the left and right eyes are separated by a certain distance, and then the knob is adjusted to enable the two lenses to be far away from the far point, and the eccentricity is increased to enable the two lenses to be well overlapped. Sometimes, the left and right eye images move over head, and then can be adjusted back to watch the most comfortable stereo image.

When the lens is large in the order of tens of millimeters and the required eccentricity is only a few millimeters, particularly under the condition that the distance between the left and right anterior lenses is adjustable, for the convenience of processing, the lens is not necessarily made into a typical form of an eccentric lens with a thick side and a thin side, but directly uses a form of a normal circular lens, namely, the highest point is necessarily on an axis symmetrical to the rotating shaft. But bearing in mind that the center of the pupils of your eyes must be aligned to the eccentric point, one important rule derived from non-paraxial optics may even be called the law of gold: i.e. the width of the centers of the two circular lenses, must be larger than the width of the two pupils of the human body, so that the left and right eye images can move to move closer and closer to each other. It is clear that this law is violated by looking at some popular designs, especially with two fixed round lenses, which are typically fixed at the interpupillary distance of the human eye pupil, i.e. 65 mm. The reason why some people see stereo is that the human eyes have an automatic 'eyes-to-eyes' function, so that the left and right eye images can be shifted to the central symmetry axis to be combined together to generate stereo perception. The 'eye-alignment' function of some people is very strong, the left eye image and the right eye image are arranged on a mobile phone in parallel, and the stereo can be seen by the 'eye-alignment' method. The popular so-called "picture-in-picture" method some years ago was to use this method to see the stereo image hidden therein. But the long-term watching feels tired and even dizzy. Some adjusting devices are provided, but the amount of eccentricity is not known to be deducted, so that the actual adjustment is limited, the actually required eccentricity cannot be achieved, no real superposition exists, and the device looks tired and even dizzy. In addition to the lack of off-center focal length, the distance between object images is not matched with the off-center focal length, and the definition is poor, which is the main reason for the VR falling into the valley in 2017.

The present condition is that the people can freely adjust the distance from the display screen when wearing the mobile phone stereo glasses until seeing the clearest, the distance from the eccentric lens to the general mobile phone display screen is 70-110 mm, the clearest position can be seen by everyone, and the distance between the two lenses can be adjusted, so that the size of the eccentric distance can be adjusted, therefore, the left and right eyes can be completely overlapped together, and the eyes can not be tired like watching a computer or a television. People with normal eyes and presbyopia (presbyopia) can directly wear the stereo glasses to watch. The person wearing the myopia glasses needs to wear the myopia glasses and then wear the stereo glasses for seeing, and a myopia correction sheet is inserted in front of the lens in the future, so that the person does not need to wear the myopia glasses any more.

The vertical screen stereo glasses are mainly used for directly watching two stereo images which are erected on the mobile phone side by side, and have good effect. The distance between the two eccentric lenses is adjusted to be smaller by the device for adjusting the distance between the two eccentric lenses, so that a three-dimensional image with left and right eye images arranged side by side on one mobile phone can be observed. The B-type stereo glasses (called as 'mobile phone stereo glasses' for short) are packaged in a closed mode and are designed into 'double-vertical-screen stereo imagers', two mobile phones are inserted into the back end of the mobile phones in a vertical mode side by side, the vertically shot left and right eye images are respectively input into the display screens of the two mobile phones, an adjusting device for adjusting the distance between two eccentric lenses to be more detailed is installed at the top end of the device, an adjusting device for adjusting the distance between the eccentric lenses and the display screens of the mobile phones is installed at the bottom of the device, and the degree of the adjustment to be most satisfactory can be adjusted for everyone. At this time, the user can see the large three-dimensional figure, which is equivalent to seeing the figure three-dimensional figure vivid which is 1-5 m away from the user and even larger than the size of the real person, and how much the person will be excited in the heart of the user when the person stands in front of the user! If the user watches other kinds of images, the user can also see the images very clearly, vividly and colorful, and the real objects are reproduced. Because the double screens are adopted, the definition of the screen can reach 5K-8K theoretically. Because of the totally enclosed type, there is no interference of redundant images and stray light. The image quality appears to be higher. The design of the three-dimensional viewer is convenient without adopting a reflector, so that the input left eye image and the input right eye image do not need to be horizontally reversed like a double-side screen three-dimensional viewer, otherwise the viewed image is reversed, the original input left eye image and the original input right eye image are directly used, and the problem of reversal does not exist. We have said that the application of the double vertical screen stereo imager is that your family members go out for a trip or visit in a museum, two mobile phones of the same type are used for standing, arranging and fixing, and the mobile phones are used as stereo cameras for shooting, and the left mobile phone and the right mobile phone in the double vertical screen stereo imager at home are connected with the stereo imager at 4G/5G. Thus, the old at home will be the same as that seen by the family members who are in the home. It is attractive to realize real-time remote monitoring and remote medical treatment in the same way.

One may think that the current trend is small and light, and therefore, it is often made with a mobile phone. This is true of the head-worn type, which is typically required for game play. But our objects and goals are different, and we mainly aim for high quality. It improves the resolution by a factor of 1 over a single screen, which may not be easily possible. At most, the current mobile phone screen can achieve 3840 pixels (commonly known as 4k, which is extremely rare), and the mobile phone screen with more than 4k is not heard. At present, the method is applied to the fields of non-games, such as medical treatment, high-level cultural and sports appreciation, remote monitoring and the like. The vertical or suspension type is adopted for viewing. The weight is a little bit bigger and is not in the way. The important point is that the mobile phone is added, but the volume is not increased, and the mobile phone is positioned at two sides, the gravity center of the mobile phone is moved backwards, so that the mobile phone does not feel heavy like a single-screen mobile phone.

In the next round of development, the mobile phone is still used to see the stereoscopic image, and since each person has one or even two mobile phones, the resource is not sufficient, but needs to be refined. It is also recommended that the manufacturer of the mobile phone produces ' love mobile phones ' (i.e. one mobile phone has a left eye image in the memory and the other has a right eye image), and the B-type (mobile phone) stereo glasses and the two-mobile phone holder can be given along with the lovers ' machines when being sold. The higher-grade mobile phones of lovers can even give a double vertical screen stereo viewer and a double side screen stereo viewer at random. In the case of large-scale production. The cost is in the order of hundreds of yuan. Therefore, the users can watch programs such as three-dimensional portraits, three-dimensional movies and the like when buying the system, and can also do a lot of work related to 3D services. This should be the best gift for feelings . It can be used in the honey month and after baby birth. The -rich sibling classmates can be used for buying the mobile phone for public, and the 3D time is limited, so that the use of the mobile phone as a communication function is not prevented. According to newly published data, the usage amount of mobile phones in China is up to 115% by people, and the usage amount of mobile phones for people at middle and upper layers is certainly much higher than the ratio. Therefore, people who own two mobile phones are also in the possession of most people, and generally, one is public use and the other is private use. The two mobile phones with the same model can solve the problems of watching 3D movies and shooting 3D photos, and the like, and are necessarily preferred. If the mobile phone manufacturer sees the point, the mobile phone manufacturer is sure to be good. There is also a case where two kinds of mobile phones of different models can be used to display static left and right eye images, and the B-type stereoscopic glasses can also be used to see a striking stereoscopic effect as long as the left and right eye images are adjusted to the same size. Therefore, the B-type (mobile phone) stereo glasses can be used as the standard matching of the mobile phone, and the A-type (computer) stereo glasses can be used as the standard matching of the computer

The next round of development was an all-in-one machine designed primarily for those public and private locations and the more abundant levels of . The whole mobile phone is not required to be put in, only the display screen and the related parts are required, other heavy components such as a battery and the like can be put in a box in a centralized mode and fixed at other places nearby, so that the weight is light, and the helmet can be made to be worn on the head and cannot be heavier than a popular single-screen machine. Meanwhile, the two display screens are positioned on the left side and the right side, and the user does not feel heavy like a single-screen machine, so that the user can feel more comfortable when wearing the head. Therefore, the double-screen integrated machine can be used for playing games, the images are large and clearer, and a wide field with unique characteristics is opened up.

The mobile phone is a popular product which is just needed, the quantity of the mobile phone is large, the mobile phone is cheaper and cheaper, particularly, the price of a display screen is necessarily low, a single eccentric lens is used in an imaging system, other similar products need a composite system of a plurality of lenses because original image surfaces of the similar products are much smaller, otherwise, the generated aberration, particularly distortion, is obvious, the cost in the aspect is high, and therefore, the B-type stereoscopic glasses and the double-vertical-screen stereoscopic image device (device) have the great advantage in cost performance in the similar products comprehensively.

At present, two 5G mobile phones are placed on the left side and the right side to form a double-side screen stereoscopic viewer, or the two mobile phones are vertically inserted on the back end side by side from the left side to the right side to form a so-called double-vertical screen stereoscopic viewer, and the two mobile phones are watched in a strut type or suspension type, so that the problem that the two mobile phones are heavy or big is solved. The first starting point is the optimum performance. After the next round of the double-side-screen three-dimensional viewer and the double-vertical-screen three-dimensional viewer all-in-one machine appears, two mobile phones are needless to be used, and the machine is cheaper and more specialized. As to the way of viewing, whether the way of viewing is of a helmet type or a column type or a hanging type to look at the individual's hobbies is adopted. Our personal proposal is also better at the medical aspect in a suspension type, because this way appears much more comfortable and free than those that need to be strapped or worn on the head. People can leave the observation window at any time to do other things. And when necessary, the user looks closely through the window. The distance from the window is more close and the distance from the eye is more big. It is a quasi-naked eye stereo image system, which is another advantage.

When the glasses-type or viewer-type full-color high-definition (5 k-8 k) dual-vertical-screen stereoscopic image viewing device views dynamic pictures, the left mobile phone and the right mobile phone should input special synchronization software Syncplayer to ensure that the separated left eye image and the separated right eye image can be played synchronously. Although the best result can be obtained by inputting the left and right eye images of the vertical shooting for the two types of devices, if the left and right eye images of the horizontal shooting are input, the stereo can be seen, and only the image is small. The mobile phone stereo glasses can also be used for watching a screen of a mobile phone and putting a left and right parallel stereo image. If the eyeglasses are packaged in a case with the cell phone and means for adjusting the spacing between the two off-center lenses and the face of the cell phone are added, this is consistent with the VR found on the market, but here is a product derived based on non-paraxial optics. The popular high-definition 2560 x 1440 pixel display screen is on the market at present, the definition of the high-definition 2560 x 1440 pixel display screen reaches 5K in a general way due to the adoption of two such screens, and the definition of the high-definition 2540 x 2160 pixel display screen reaches 8K when the high-definition display screen appears, and the original optical system does not need to be changed.

Drawings

Fig. 1 is a schematic view of a dual-vertical-screen stereoscopic image device.

Fig. 2 is a schematic structural diagram of stereoscopic glasses of a mobile phone.

Fig. 3 is a schematic structural diagram of a dual-vertical-screen stereoscopic imager.

FIG. 4 is a non-paraxial optical schematic.

Detailed Description

The utility model discloses refer to the figure detailed description as follows:

the imaging system of the whole device is in a left-right symmetrical or anti-symmetrical state, so that the reference numerals of the figures (such as 1 '; 2') are added with a prime sign to indicate the symmetrical or anti-symmetrical parts of the reference numerals (such as 1; 2), which are not generally described.

Fig. 1 is a schematic diagram of a full-color high-definition (5k to 8k) dual-vertical-screen stereoscopic image device.

1 is a left decentered lens, 1' is a right decentered lens; 2 is the left eye, 2' is the right eye; representing the position of the pupils of the left and right eyes. 4 is the left optical axis center point, and 4' is the right optical axis center point, i.e., the left and right eccentric points. 5 is the left main lens symmetry center, 5' is the right main lens symmetry center; the eccentricity is small, so that the main lens can be directly used as an eccentric lens, and pupils of left and right eyes of a person aim at eccentric points 5 and 5' to watch. 6 is the left optic axis, 6' is the right optic axis; i.e. the left and right optical axes through the pupil and the eccentric point. 7 is a vertical left display screen, 7' is a vertical right display screen, which are arranged side by side, and a left eye image and a right eye image are respectively displayed on the screens; alternatively, the left and right eye images may be displayed side by side on the display screen with one mobile phone in a landscape orientation. After the left eye image and the right eye image on the mobile phone screen are magnified by the eccentric lens, the magnified images are completely overlapped together at the imaging position due to the function of transversely moving the magnified images towards the direction of the central axis by the left eccentric lens and the right eccentric lens, so that people can see the magnified three-dimensional images. 3, 3' are a left baffle plate and a right baffle plate with light holes respectively; the shape and size of the hole make people only see the left eye image and the right eye image respectively, but block the parts which are not needed to be seen and stray light.

Fig. 2 is a schematic view of the structure of the mobile phone stereoscopic glasses of the present invention. The stereo glasses used for specially watching the mobile phone are also called 'B-type stereo glasses' or 'mobile phone stereo glasses' directly. The CN200910070421.0 stereoscopic glasses dedicated to large display surfaces such as computers are called "a-type stereoscopic glasses" or "computer stereoscopic glasses" directly. Including the following 7 sub-diagrams.

Fig. 2 (a) is a front view of the stereoscopic glasses. The method comprises the following steps: a left eye eccentric lens 1 and a right eye eccentric lens 1'; 3. 3 'is a baffle plate with a light transmission hole positioned in front of the eccentric lenses 1, 1' of the left and right eyes, and 8 is a nut for adjusting the distance between the two eccentric lenses. The left and right long bolts are screwed into two long nuts fixed on the left and right baffles.

Fig. 2 (b) is a detailed schematic diagram of the left eccentric lens 1 and the right eccentric lens 1', which are circular lenses with one convex surface and one slightly concave surface, and the slightly concave surface is close to human eyes. The lower oblique line drawing is a cross-sectional view of the two eccentric lenses. Eccentric focal length f_d40-120 mm and 36-60 mm (42 mm is practical at present). 4 is the left eccentric point of the eccentric lens and 4' is the right eccentric point of the eccentric lens. 5, 5' are the center points of the corresponding two main lenses.

Fig. 2 (c) is a diagram showing the relationship between the baffle, the eccentric lens, and the adjustment screw and nut. The left eccentric lens 1 and the right eccentric lens 1 'are respectively embedded on the baffle plates 3 and 3' and fixed into a whole. The openings on the baffle are in left and right antisymmetric shapes as shown in the figure, the upper and the lower are symmetric, and the shapes and the sizes of the openings enable human eyes to see only left eye images and right eye images respectively, but block parts which are not needed to be seen and stray light. Two longer nuts are respectively arranged above the left baffle plate 3 and the right baffle plate 3', an adjusting nut 8 is arranged, the left end and the right end of the adjusting nut are respectively provided with a long bolt, the left long bolt and the right long bolt are respectively screwed into the two long nuts, when the nuts 8 are rotated clockwise, the distance between the left eccentric lens and the right eccentric lens is increased, otherwise, the distance is reduced. The distance between the two eyes is 65mm, and the left and right eyes can be basically superposed by the eccentricity of 4mm under the general condition. Therefore, the distance between the center points (5, 5') of the two eccentric lenses originally set is 73 mm. In fact, the adjustable distance between the centers (including the baffle) of the two eccentric lenses is 60-80 mm. The upper end of the baffle is provided with a longer hook, the lower end of the baffle is provided with a short hook to be hung on an original spectacle frame, the two frames are rectangular, and in the figure 2 (f), the left and right baffle plates and the left and right eccentric lenses can smoothly move along the square spectacle frame to be far away or close to the square spectacle frame by rotating the nut with the left and right long bolts. The specific operation is that the stereoscopic glasses are firstly placed at a position which is 70-100mm away from the middle position of the two vertical mobile phones, the stereoscopic glasses are worn, and then the head of a user is slowly slightly moved forward or backward so as to be seen most clearly. At this time, a stereoscopic image can be seen. Then the nut above the stereo glasses is finely adjusted to make the image look most comfortable. If two images are seen, the nut should be rotated clockwise to see whether the two images are closer than the original images, and then the nut is screwed clockwise again until the two images are overlapped to see a three-dimensional image. Otherwise, the screw should be screwed in the opposite direction, which is rare. The more stereoscopic images are seen, the more stereoscopic images are seen.

Fig. 2 (d) is a top view of the stereoscopic glasses. 9 is the left temple and 9' is the right temple. And 8, a nut with a left long bolt and a right long bolt is used for adjusting the eccentricity.

Fig. 2 (e) is a left side view of the stereoscopic glasses.

Fig. 2 (f) shows a spectacle frame with two rectangular frames joined by a somewhat circular plate with a nose-beam recess in the middle. A small column having a groove fixed to its upper end, the apparatus depicted in (c) of fig. 2 described above includes: the combined device of the baffle, the eccentric lens, the adjusting screw and the nut is hung in the upper frame and the lower frame of the glasses. The upper nut 8, the shutter and the eccentric lens are moved apart and close along the frame. The nut 8 is located in a recess in a small upright above, and limits the horizontal displacement of the nut to maintain it in a centered position.

Fig. 2 (g) is a perspective view of a stereoscopic spectacle shape.

Fig. 3 is a schematic structural diagram of a dual vertical screen stereoscopic imager (device), which includes 6 sub-images. The B-type stereo glasses (mobile phone stereo glasses) and two mobile phones which are vertically arranged side by side are packaged in a box, and various adjusting devices and shielding baffles are arranged, so that the interference of various unwanted images and the interference of stray light are completely avoided, and the B-type stereo glasses are particularly suitable for portrait portrayal, medical application and digital collection of precious cultural relics. The left eye image and the right eye image shot by the camera can be directly displayed by the device without image processing through 4G or 5G transmission. The invention has the advantages of independent existence and is an important supplement of the invention patent CN201410554496.7 named as a stereo viewer and a personal stereo cinema device with a 4G communication system (also simply called as a double-side screen stereo viewer).

Fig. 3(a) is a front view, 11 is a left eccentric lens of the dual vertical screen stereoscopic image device, and 11 'is a right eccentric lens of the dual vertical screen stereoscopic image device, which is centered on the eccentric lens at a left eccentric point 4 and a right eccentric point 4', see fig. 3 (e). The pupils of the left and right human eyes are viewed respectively towards the centre of the lens, i.e. towards the eccentric point 4, 4'. Therefore, compared with the B-type (mobile phone) stereo glasses, the distance of the eccentric distance is increased, so that the transverse size of the two vertical mobile phones can be widened, and a good stereo image can be still seen. This is true name of the well-known eccentric lenses, which are also circular, and the center of the circle represents the eccentric point. But the external features are also somewhat different. The left-eye eccentric lens is thicker on the left and thinner on the right, while the right-eye eccentric lens is vice versa, thicker on the right and thinner on the left. This difference in thickness becomes greater as the eccentricity increases. 12 is a spiral, adjusting the spacing of two eccentric lenses. From about 60 to about 95 mm. 13, 13' are left and right side hanging buckles. And 14 is a top suspension clasp. The suspension can be threaded by a cord of appropriate size, can be raised or lowered at will, and can be leveled or slightly deflected to stay in a certain state as required. 17 is an openable back plate, which is opened to put two mobile phones in a standing state. The rear cover is closed. 18 refers to the entire housing box.

Fig. 3(b) is a right side sectional view, 7 'is a right cell phone display screen on which a right eye image is displayed, and 11' is a right eccentric lens of a dual-vertical-screen stereoscopic image viewer. 15' is right hinge connection, so 17 becomes openable back plate, 19 is bottom rotary wheel for adjusting distance between eccentric lens and display screen. Generally 70-120 mm, the method is as follows: the bottom turning wheel 19 has two long bolts on the left and right, which are screwed into two long nuts respectively fixed on the housing of the eccentric lens and the housing of the male handpiece, so that the distance between them can be adjusted by turning the nuts. Other reference numerals are illustrated in fig. 3 (a).

Fig. 3 (c) is a top view, 12 is a spiral, and the distance between two eccentric lenses is adjusted, and it can be seen that it is located at the top front position. It can also be seen that the left and right decentered lenses are in a plane with the spiral at the front end, and the in-air position can be seen in fig. 3 (b). 15, 15 'are left and right loose-leaf joints, 13, 13' are left and right suspension buckles, and 14 is a top suspension ring.

Fig. 3 (d) is a rear view, and dotted line frames 7 and 7' respectively indicate two mobile phones standing side by side, a left eye image and a right eye image are respectively displayed on left and right display screens of the mobile phones, and the backs of the mobile phones are tightly attached to a back plate. 16 is an elastic strip. After the rear cover is covered, the mobile phone is locked by pressing, and then released by pressing, so that the rear cover can be opened, and the mobile phone can be put in or taken out. Fig. 3(e) shows an eccentric lens, which has an eccentric point as the lens center, and the pupils of the left and right eyes of a person are viewed while being aligned with the center of the lens, that is, aligned with the eccentric point. The figure shows how it was made. Namely, after the focal length of a circular convex lens is selected according to the design, the eccentricity to be selected is determined to be d. This lens is referred to as the primary lens, as is the larger circle drawn with dashed lines in the figure. The diameter of the large round lens is set to be 2R, and the diameter 2R of the eccentric lens in this case should satisfy R-R = d/2. The small black circle representing the eccentric lens should then be tangent to the imaginary circle representing the main lens on the horizontal x-axis as shown. In the figure, 4 and 4' are the center points of the left and right optical axes, i.e., the left and right eccentric points, respectively. 5, 5' is the center of symmetry of the left and right main lenses. The advantage of using this true eccentric lens is that the adjustment distance of eccentricity is enlarged, so that the distance between the left and right vertical display screens can be enlarged or separated, and the left and right eye images can still be superposed together by increasing the adjustment distance of eccentricity. This true off-center lens profile appears to be thick on one side and thin on the other side in the x-direction, with the left off-center lens being thick on the left and thin on the right, and the right off-center lens being thin on the left and thick on the opposite side. The disadvantage is that the processing is somewhat complicated. The eccentric lens used by the mobile phone stereo glasses in fig. 2 is the main lens, and the left and right eye viewing points deviate from the central point of the lens to be viewed at the eccentric point, so that the adjustment of the eccentricity is limited to a certain extent. If the real eccentric lens is also used in the mobile phone stereo glasses, the effect is better. Of course, in the dual-vertical stereoscopic viewer, the main lens is not used as the eccentric lens in the stereoscopic glasses of the mobile phone instead of the true eccentric lens, and only the adjustment range of the eccentricity is reduced. The main lens and the eccentric lens can be combined into a whole only under the condition that the eccentricity is required to be small, the eccentricity required under the condition of watching a large display surface such as a computer and the like is 25-30 mm, and the possibility is eliminated, and the eccentric lens combined into a whole has the advantages of convenience in processing and unchanged optical performance when rotating at any angle along the optical axis of the lens. But only when a range of eccentricity of a few, on the order of a few mm, is required.

The utility model discloses following concrete value of taking in the implementation:

the non-paraxial optical imaging formula for an eccentric lens is written as an analytical formula (a thin lens approximation is made on a plano-convex lens and its refractive index N is assumed to be 1.5):

(1)

b=f_d×a/（f_d-a） (2)

M_d=b/a=f_d/（f_d-a） (3)

T=d[(f_d/（f_d–a)-1] (4)

γ=tan^-1[d(1/a-1/b)] (5)

wherein f is_dIs the focal length of the eccentric lens, R is the radius of the main lens, a is the object distance, b is the image distance, M_dIs the magnification factor, d is the eccentricity, T is the amount of lateral displacement of the magnified image, and γ is the magnitude of the deflection angle.

The curvature radius R =50.7mm of the outer surface of the plano-convex lens, the center thickness h =7.5mm, and the width W =78mm of the vertical 6.5 inch mobile phone, so that the size of the transverse movement is required to be theoretical T =76/2=38mm, and then the left eye image and the right eye image can be completely superposed after being magnified. Through the optimal design, select eccentricity d =5mm, select the distance of eccentric lens top from the cell-phone display screen promptly object distance: a =89.0mm for R =50.7mm, d =5.0mm, a =89.0mm

The following were calculated from (1): f. of_d=101.15mm (object space f)_d=100.53mm, image side f_d=100.97)

The following were calculated from (2): b =740.93mm (750.73mm)

The following were calculated from (3): m_d=8.33 (8.43)

The following were calculated from (4): t =36.63mm (37.18 mm)

From (5), the following were calculated: γ =2.835⁰ (2.830⁰ )

The above data are calculated by the above 5 approximation formulas, which are quite close to the results calculated by accurately calculating the thickness of such a lens, the accurate results being shown in parentheses in the above formulas. It should be noted that the object distance a, the image distance b, and the focal length f are calculated approximately_dIs calculated from the average thickness of the lens, i.e. from 7.5/2=3.75mm from the bottom plane of the lens. The object focal length and the image focal length are the same size. The focal length of the object space and the focal length of the image space are unequal, the focal length of the object space a and the focal length of the object space are calculated from the main object plane, which is a plane passing through the eccentric point and perpendicular to the symmetric optical axis, and the distance between the focal length of the object space a and the focal length of the image space b is calculated from the main image plane, which is a plane perpendicular to the optical axis, and the distance between the focal length of the image space b and the focal length of the image space b is calculated to be 7.34mm from the bottom plane of the lens, and the distance between the focal length of the image space b and the bottom plane of the lens is calculated to be 4.90mm, and the focal length of the image space b pass through the lens and are parallel to the bottom plane of the lens. Whether the approximate calculation or the accurate calculation is carried out, the object distance a is smaller than the object focal length, so that the virtual image is erected, and the position of the virtual image is located on the object space and is determined by the size of b. In the approximate calculation, the pupil center of the human eye faces the eccentric point, but in the precise calculation, the pupil center of the human eye does not face the eccentric point d =5mm of the off-axis when viewed, and since the distance emitted after refraction in the lens is a little lower point, the pupil center is calculated to be 0.162mm lower than 5mm, namely viewed at the 4.84mm of the off-axis. The precise calculation is completely in accordance with the eccentric lens mobile phone stereo glasses designed by people, the theoretical value of the transverse deviation T is 38mm, and the method is adoptedThe T value accurately calculated by the set design parameters is 37.18, the error is only 2%, the T value calculated by the approximate formula is 36.63mm, the error is only 3%, and the mobile phone stereo glasses and the double vertical screen stereo viewer pair a and d can be adjusted to completely meet the requirements, so that the left eye image and the right eye image are completely superposed, and a perfect stereo image which is not dazzled can be seen.

Claims (10)

1. A stereoscopic image viewing apparatus, comprising: the eccentric lens mainly comprises an eccentric lens and a lens support, wherein the eccentric lens is provided with a light barrier with a light hole and is connected with the lens support, the distance between the geometric centers of the circle centers of the left eccentric lens and the right eccentric lens is greater than the distance between the centers of pupils of two eyes of a person, and the distance is 56-76 mm and is adjustable;

the non-paraxial optical imaging formula for an eccentric lens is written as follows when a plano-convex lens is approximated by a thin lens and its refractive index N is assumed to be 1.5:

(1)

b = f_d×a/（f_d- a） (2)

M_d= b/a = f_d/（f_d-a） (3)

T = d[(f_d/（f_d–a)-1] (4)

γ=tan^-1[d(1/a-1/b)] (5)

wherein f is_dIs the focal length of the eccentric lens, R is the radius of the main lens, a is the object distance, b is the image distance, M_dIs the magnification of the eccentric lens, d is the eccentricity, T is the amount of lateral shift of the magnified image, and γ is the magnitude of the deflection angle;

according to the curvature radius and refractive index N of the upper and lower surfaces of the main lens, after the eccentricity b is given, the intersection F with the central axis can be calculated according to the law of refraction_dF can be determined by determining the principal plane_dThe other parameters are completely determined;

a circular lens truncated from the original main lens is called an eccentric lens,focal point F of eccentric lens_dIs the intersection point of the parallel light rays passing through the eccentric point and the central axis of the original main lens, and the distance between the intersection point and the center of the original lens is called the focal length f of the eccentric lens_dObject distance a and image distance b and magnification M_dThen consistent with the definition of paraxial optics;

the absolute value of the eccentricity of the eccentric lens is smaller than the radius of the eccentric lens, when the eccentricity approaches zero, the non-paraxial optical imaging formula is completely the same as the Gaussian optical imaging formula, and the offset and the deflection angle also approach zero.

2. The stereoscopic viewing apparatus according to claim 1, wherein: the eccentric lens is obtained by a main lens, the main lens is composed of two coaxial spherical surfaces, the spherical surface with small curvature radius is far away from human eyes, and the spherical surface with large curvature radius is nearest to the eyes; the curvature radius can be increased to infinity, which is then a plane; the cross section of the main lens, i.e. the plane containing the rotational symmetry axis of the main lens and the cross section of the lens, is half-moon-shaped, i.e. one surface is convex and the other surface is slightly concave; the human eye looks towards the slightly concave surface; the diameter of the main lens is 30-60 mm; the Gaussian focal length f is 60-120 mm; the eccentricity is 1-16 mm, so the eccentricity point, represented by O' or D, is located at the paired position of-1 mm, +1mm to-16, +16 from the center of the main lens; taking an eccentric point as a circle center and taking 14-28 mm as a radius to make a circle, cutting out a circular lens sheet from the main lens, wherein the circular lens sheet with the diameter of 28-56 mm is an eccentric lens; if the eccentric point is located at the right side of the main lens, i.e., in the direction of the positive X-axis, the truncated eccentric lens is used as a left-eye eccentric lens, which is thicker at the left side and thinner at the right side; if the decentering point is located on the left side of the main lens, i.e., in the direction of the negative X-axis, the truncated decentered lens is used as a right-eye decentered lens when it is thicker on the right and thinner on the left, and the decentered focal length f of the decentered lens is_dThe cross section of the lens cut along the diameter is also half moon-shaped, and the flatter surface faces the human eye.

3. The stereoscopic viewing apparatus according to claim 1, wherein: the eccentric lens is obtained by a main lens, and when the required eccentricity is much smaller than the radius of the main lens, namely, the eccentricity is only a few millimeters, the main lens is directly used as the eccentric lens; when the stereoscopic glasses are arranged, an eccentric point in the positive X direction of the main lens used as the eccentric lens is directly aligned with the pupil of the left eye, and an eccentric point in the negative X direction of the other main lens used as the eccentric lens is directly aligned with the pupil of the right eye, which is particularly important in the design of a device without adjusting the distance between the left and right glasses, in the design with the adjusting device, the initial positions of the two lenses are placed according to the above manner, so that when the main lens is used as the eccentric lens, the distance between the two circle centers of the main lens is necessarily greater than the distance between the pupils of the two eyes of a viewer, and the specific size is determined by completely overlapping the left eye image and the right eye image only according to the size required by the eccentric distance.

4. The stereoscopic viewing apparatus according to claim 1, wherein: the light blocking sheet with holes is added in front of the eccentric lens, the shapes of the holes can be different according to different applications, the requirement that the left eye and the right eye see all three-dimensional images and isolate the parts which do not need to be seen is met, the shapes of the holes are symmetrical up and down, and the light blocking sheet in front of the left eccentric lens and the right eccentric lens is in left-right antisymmetric shape.

5. The stereoscopic viewing apparatus according to claim 1, wherein: the device is arranged on a spectacle frame with two legs to form a spectacle type mobile phone type stereo image viewer or mobile phone stereo glasses for short, and stereo images on two mobile phones which are vertically arranged side by side are correspondingly viewed; the two mobile phones which are vertically arranged side by side are arranged on the special support and are inclined forwards according to requirements so as to be convenient for watching, and at the moment, a left-eye plane image is projected on the left mobile phone screen, and a right-eye plane image is projected on the right mobile phone screen; if the still images are played, the mobile phones with different models are allowed to be used, and only the still images are required to be adjusted to the same size, while the mobile phones with the same model are adopted when dynamic video recording is played, synchronous software Syncplayer is installed in the left mobile phone and the right mobile phone, so that the separated left-eye images and right-eye images can be played simultaneously; when watching, the mobile phone stereoscopic glasses are placed at a position 7-11 cm away from the mobile phone screen in the middle, the eccentricity is placed at a position of about 4mm, and the stereoscopic image can be seen by wearing the stereoscopic glasses; and the front and back positions are slowly moved to make the eyes see the clearest, and then the screw above the glasses is finely adjusted to adjust the eccentricity so as to make the left and right eye images completely overlapped and make the eyes look more comfortable until the eyes are not tired.

6. The stereoscopic viewing apparatus according to claim 5, wherein: the two mobile phones which are vertically arranged side by side are only transversely placed and fixed by one mobile phone, the parallel left eye image and the parallel right eye image are displayed on one screen surface, the eccentricity is adjusted to be small, and the stereoscopic image can be seen within the range of 7-11 cm away from the screen; the glasses frame and the mobile phone are arranged in a box, and the adjusting device for adjusting the distance between the two eccentric lenses and the screen surface of the mobile phone is added to form the head-wearing VR helmet.

7. The stereoscopic viewing apparatus according to claim 5, wherein: the device and two mobile phones which are vertically arranged side by side are arranged in a box, the device for observing the stereoscopic image is arranged at the front upper end of the box instead of being embedded in a glasses frame, and the object to be observed is a left eye image and a right eye image which are vertically arranged on a mobile phone screen side by side; the double-vertical-row stereoscopic viewer is inserted into the rear end of the box to form a double-vertical-row stereoscopic viewer, the adjusting distance of the central distance between the two eccentric lenses is kept between 55 mm and 95mm, a screw is arranged at the lower end of the double-vertical-row stereoscopic viewer to adjust the distance between a mobile phone display screen and the eccentric lenses, and the adjusting range is 65mm to 120 mm; when the intermediate value of the data ranges of 55-95 mm and 65-120 mm is adjusted, the stereoscopic image can be seen when human eyes approach the observation window; the lower part screw is adjusted to make the image clearest, the upper part screw is adjusted to make the left eye image and the right eye image just coincide, so that the image looks more comfortable, special three-dimensional glasses are not needed to be worn, the user only needs to look forward, the vision range is larger as the position is closer to the eccentric lens, the system is called a quasi-naked eye system, and the device is also called a double-vertical-screen three-dimensional image viewer for short.

8. The stereoscopic image viewing apparatus according to claim 5 or 7, wherein: the high-definition remote monitoring system formed by the stereoscopic image viewing device and the other two mobile phones is characterized in that the other two mobile phones with the same model number, 4G or 5G, are vertically arranged side by side and fixed by a special clamp to form a 3D camera, when a left-eye stereoscopic image and a right-eye stereoscopic image are vertically shot, the images are respectively transmitted to a left mobile phone and a right mobile phone in a mobile phone stereoscopic glasses or a double-vertical-screen stereoscopic image viewer through 4G or 5G, full-color high-definition high-brightness stereoscopic images at the shot positions are instantly seen, and a high-definition remote real-time monitoring system is formed; which comprises the following steps: if the input is professional-level text high-definition 3D program broadcasting and is synthesized into a left-right parallel stereo image, the stereo image is divided into an independent left-eye image and an independent right-eye image through application software and then respectively input; if the left eye image shot transversely is used and the right eye image is input separately, the stereo image can be observed.

9. The stereoscopic image viewing apparatus according to claim 5 or 7, wherein: the clear degrees seen by the stereoscopic image viewing device is the sum of the clear degrees of the two mobile phone screens, and if a mobile phone screen with 2560 × 1440 pixels is adopted, the clear degrees of the stereoscopic image is 2 × 2560, namely 5 k; the adopted 3840 x 2160 pixel display screen has the definition of 8K, and the original optical system does not need to be changed.

10. The stereoscopic viewing apparatus of claim 9, wherein: the same result is obtained by using only the display screen of the mobile phone or two dedicated high-definition display screens without directly using the mobile phone, i.e., the perceived resolution of the three-dimensional image is 2 × that of the display screen.

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