CN213634009U

CN213634009U - Stereoscopic glasses for watching 2D video into 3D video

Info

Publication number: CN213634009U
Application number: CN202020926119.2U
Authority: CN
Inventors: 刘简
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-07-06
Anticipated expiration: 2030-05-26
Also published as: WO2021238225A1; JP3233322U

Abstract

The utility model provides a see three-dimensional glasses that 2D video is 3D video, is in the 3D movie & TV technical field, replaces reflection of light lens with optics lens and liquid crystal lens, solves the not enough technical problem of stereoscopic vision effect that decomposes 2D video, has realized wearing this glasses to see the stereoscopic vision effect that 2D video converts into 3D video: it is characterized in that the spectacle comprises a spectacle-shaped shell and a left spectacle frame and a right spectacle frame, wherein two groups of optical lenses and a left transparent liquid crystal lens and a right transparent liquid crystal lens are assembled in the frames shown in the attached figure 1: the device 1 is a combined prism with two folded prisms and a rectangular or parallelogram bottom surface, and is used for decomposing 2D video picture element light rays into two light rays with different angles to generate a light ray visual distance difference; the device 2 is a left-right alternate transparent time-sharing shutter type liquid crystal lens grating, and 2D video pictures are decomposed into two different pictures in an equivalent space-time manner to generate an image visual distance difference; the two "parallax" are synthesized into a 3D stereoscopic image of the 2D video.

Description

Stereoscopic glasses for watching 2D video into 3D video

The technical field is as follows:

the invention relates to a pair of stereoscopic glasses for watching 2D video and converting the 2D video into 3D video by wearing the glasses, wherein 2D video pictures are shot by the glasses, and decomposed 2D video from left and right rear lenses of the glasses respectively enter left and right eyes to watch stereoscopic images of the 2D video converted into the 3D video. The stereoscopic glasses can convert 2D video into 3D video without any video information processing, and only decompose optical path and alternate transparent images.

Background art:

the existing 2D video shooting is single-lens shooting, and the technical characteristic is that a monocular stereoscopic image exists in the shot video image.

A pair of existing 3D glasses is a pair of glasses for watching 3D movie pictures. The 3D movie and television picture is a movie and television picture synthesized by a left eye and a right eye which are shot at an angle and displayed for an actual shot object scene by using a left 2D shooting lens and a right 2D shooting lens, and the two synthesized 2D movie and television pictures generate a 3D stereoscopic vision effect. The 3D glasses have time-sharing switch type liquid crystal lens glasses which adopt a shutter as light valve liquid crystal, and corresponding 2D videos are respectively watched by left and right eyes with the switching frequency of 120Hz conversion amplitude; the technical characteristics of wearing the 3D glasses are as follows: 1) two-angle 2D images of the same shot object scene are seen; 2) the 2D images of two different pictures of the same shot object scene are taken;

the optical principle and application technique of the triangular prism sheet, the triangular prism sheet has equilateral triangle prism and right angle triangle prism;

chinese patent CN104246579A, published as 2014, 12 months and 24 days, discloses a pair of stereoscopic glasses capable of changing 2D images or object images into stereoscopic 3D images for viewing, and its main technical features are that the glasses have two or more left and right groupsReflecting mirrorThe angle combination of (1) and (2) enables 2D images or object image light rays to enter left and right eyes at different light ray angles after being reflected by the left and right groups of reflectors of the glasses, so that angle vision difference is formed, and the stereoscopic impression of the technical characteristics of the two-angle 2D images in the step 1) is met. However, the stereoscopic effect is still insufficient due to the lack of the technical features of the 2D images of the two different screens in 2);

the utility model has the following contents:

[ technical problem to be solved by the technical scheme of the utility model ]

The problem that the 3D stereoscopic image cannot be seen when the two eyes of the monocular stereoscopic image see the 2D video is solved, the defects that the stereoscopic effect of the glasses is insufficient and the glasses cannot be used due to the lack of the two 2D images with two different pictures in the disclosed Chinese patent CN104246579A are overcome, and the problems to be solved are as follows:

1. 3D movies and televisions with 2D pictures can be watched by wearing the 3D glasses without specially shooting 3D movies and televisions with two-angle movie pictures, and the 3D stereoscopic images can be watched by solving the problem that the same video image of the same group of parallel light of the 2D videos directly enters two eyes to generate mutual 'interference' of stereoscopic vision feeling and cannot be watched;

2. the defect of insufficient stereoscopic vision effect caused by the lack of technical characteristics of 2D images of different pictures in the published Chinese patent CN104246579A is overcome;

3. the defect of visual fatigue caused by the fact that the video shot at the angle of the 3D film and television enters the left eye and the right eye at different angles is overcome.

[ MEANS FOR SOLVING PROBLEMS ] to solve the problems

Compared with the technical characteristics of the 3D glasses with two 2D images at two angles and 2D images with 2 different pictures expressed by the 1) and the 2), the three-dimensional glasses for watching the 2D video as the 3D video comprise the following glasses appearance and internal structure: the glasses comprise a glasses case 1, a left eye glasses frame 6 and a right eye glasses frame 7, wherein two groups of optical lenses are assembled in the left eye glasses frame 6 and the right eye glasses frame 7, and left and right two alternate transparent shielding lenses are assembled between the two groups of optical lenses.

A pair of stereoscopic glasses for watching 2D video and 3D video is disclosed, as shown in figure 1, two groups of optical lenses are two groups of triangular prism lenses, namely a left front triangular prism lens 2, a left rear triangular prism lens 10, a right front triangular prism lens 3 and a right rear triangular prism lens 11.

Stereoscopic glasses for viewing 2D video as 3D video, with (right-angled or equilateral) triangular prism lenses fitted in the left and right frames: the two groups of lenses of the left front triangular prism lens 2, the left rear triangular prism lens 10, the left front triangular prism lens 3 and the right rear triangular prism lens 11 are equivalent to two angled 2D shooting and shooting lenses; as shown in the attached figure 1, in front of and behind a left spectacle frame 6 and a right spectacle frame 7 of a spectacle case 1, two right-angle triangular prisms are embedded in front of and behind a virtual frame 1 of a front and back assembly position 1 of a right-eye triangular prism of the spectacle case 1 and a virtual frame 2 of a front and back assembly position 2 of a left-eye triangular prism of the spectacle case 1, wherein the virtual frame 1 and the virtual frame 2 are mutually reversely assembled, the left front triangular prism 2, the right front triangular prism 3, the left back triangular prism 10 and the right back triangular prism 11 are oppositely overlapped and assembled by the same inclined plane or right-angle plane, and the corresponding same mirror surfaces of the front and back three prism lenses in the left and right spectacle frames are overlapped into a cuboid; two triangular lenses assembled in the left and right mirror frames are superposed to form a cuboid or a parallelepiped, i.e. a quadrangular prism with a rectangular or a parallelogram bottom surface, corresponding to the same triangular prism surface.

A stereoscopic glasses for watching 3D video from 2D video, the angle between the laminated surface and the screen plane shown in fig. 1, the angle between the laminated surface of the triangular prism with the bevel edge angle of 30 degrees and the screen plane, the maximum visual angle width of the left and right glasses, the maximum angles 1 and 2 are assembled in the left and right glasses frame, and the maximum beam splitting effect of the left and right two lenses is obtained; through two prisms of reverse installation, make the change light path in the twice mutual opposite direction of objective light, make the visual image light path not change, see objective effect coplanar lens, but because the incident angle that comes from 2D display screen plane light entering two sets of lenses is different, the refraction and reflection effect of triangular prism piece combination about through glasses, left back triangular prism piece 10, right back triangular prism piece 11 comes out be with the light of video different angles, decompose incident light for controlling the different light of glasses, the stadia difference that two eyes visual angles are different has been produced in other words.

The utility model provides a see that 2D video is three-dimensional glasses of 3D video, two pass through in turn about the assembly shelter from lens, including timesharing shutter type liquid crystal lens: a left time-sharing switch type liquid crystal lens 4 and a right time-sharing switch type liquid crystal lens 5.

A pair of stereoscopic glasses for watching 2D video and 3D video is disclosed, as shown in figure 1, alternate transparent shielding lenses are assembled in left and right glasses frames 6 and 7: left side is penetrating lens 4 in turn, right side is penetrating lens 5 in turn, for controlling two penetrating liquid crystal lenses in turn, including the timesharing shutter type liquid crystal lens: a left time-sharing shutter type liquid crystal lens 4 and a right time-sharing shutter type liquid crystal lens 5; the left time-sharing shutter type liquid crystal lens 4 and the right time-sharing shutter type liquid crystal lens 5 are assembled between two triangular prism superposed mirror surfaces in two spectacle frames or are arranged in front of or behind the triangular lens group; the 2D video is alternately shielded through the frequency of the left shielding lens and the frequency of the right shielding lens of the glasses, which is equivalent to alternately shooting 2D video pictures; the alternate transparent shielding lens adopts a time-sharing shutter type liquid crystal lens, and the two lenses are added with pulse square wave voltage, so that the alternate shielding 2D video of the time-sharing shutter type liquid crystal lens is obtained, and the left eye and the right eye are different and alternately transmit two 2D videos of different pictures with square wave frequency.

A pair of stereoscopic glasses for watching 2D video to be 3D video is disclosed, as shown in figure 1, two time-sharing shutter type liquid crystal lenses are adopted to form shielding lenses in a left glasses frame and a right glasses frame, the shielding lenses are installed in the front triangular prism lens and the rear triangular prism lens or in the front and the rear of the lens group, pulse positive square wave 3-20V voltage alternately provides square wave pulse voltage for the left liquid crystal lens and the right liquid crystal lens, the square wave frequency of the input pulse voltage is 5-35 Hz, liquid crystal semiconductors of the left and the right glasses lenses are alternately transparent under the action of alternating voltage, and alternate conversion is performed when one light transmission finishes and one light transmission starts, so that the left and the right glasses frames are. The alternating transparent conversion frequency of the left and right spectacle frames is 5-35 frames/second; the time-sharing switch type liquid crystal lens is controlled by a time-sharing switch type liquid crystal lens pulse frequency controller 9 to input square wave pulse voltage of 3-20V and square wave pulse frequency of 5-35 Hz/s.

[ Effect of the technical solution ]

Parallel light rays in all directions coming out of the 2D video are stereoscopic vision light rays, and when two eyes directly see a screen, the symmetry of the two eyes relative to the parallel light rays and the sameness of video images interfere the generation of stereoscopic vision sense of the two eyes on the 2D video. The right angle or the equiangular triangular prism piece of reverse coincide around two sets of in the spectacle-frame about this glasses shelters from the lens with controlling in turn, make the light of lens group about kicking into, through the triangular prism piece combination to light reflection, the repeated action of refraction and control the alternate penetrating that timesharing on-off formula liquid crystal sheltered from the lens, the equidirectional light that has decomposed the 2D video is two different angle direction light and two different space-time video pictures, the eyes about the spectacle-frame gets into in turn respectively according to certain frequency about the different pictures of different angle light, the problem of having solved same angle parallel light and the same 2D video to the "interference" of binocular stereovision sense and make it disappear has been realized wearing glasses and directly seeing the 2D video, obtain the 3D stereovision effect.

Description of the drawings:

fig. 1 is a broken block diagram of the front view of the whole structure, shape and position relationship of the liquid crystal grating pulse frequency controller 9 and the opposite assembly position 2 of the inclined planes of two straight triangular prism lenses, wherein the three-dimensional glasses of the invention comprise a glasses shell 1, left and right glasses frames 6, 7, glasses legs 8 and a nose frame 12, right-angle

triangular prism lenses

2, 10, 3 and 11 in the glasses frames, left and right alternate through time-sharing switch type liquid crystal lenses 4 and 5, and the inclined planes of the two straight triangular prism lenses are opposite to each other.

[ detailed description ] embodiments

Detailed description of the preferred embodiments

Stereo glasses for converting 2D video into 3D video as shown in fig. 1; the glasses comprise right-angle triangular prism

optical lens groups

2, 10, 3 and 11 which are assembled in a left-right glasses frame 6 and 7 of a glasses case 1 in a way that the bottom surfaces of two pictures of each group are long side surfaces of right-angle triangular prisms in an opposite way, and alternately transparent shielding lenses 4 and 5 which are assembled in the middle or in front and at back of the lenses.

As shown in the attached figure 1, two right-angle

triangular prisms

2, 10, 3 and 11 are respectively arranged at the front end and the rear end in a left spectacle frame 6 and a right spectacle frame 7 of a spectacle case 1, the right-angle triangular prism with an angle of 60 degrees is selected, the incident angle of the incident surface of the front lens is in a visual angle range, the right-angle triangular prism is arranged as large as possible, the reflection angle is increased, the reflection amount is increased, the light rays entering the mirror surfaces of the left spectacle frame and the right spectacle frame are refracted into light rays with different angles, so that more light rays with different angles are emitted from the left triangular prism 10 and the right triangular prism;

in the attached figure 1, the left and right spectacle frames are provided with transparent

triangular lens groups

2, 10, 3 and 11 alternately and time-sharing shutter type liquid crystal shielding lenses 4 and 5; the liquid crystal lens is arranged between the front right-angle

triangular prism lenses

2 and 3 and the rear right-angle

triangular prism lenses

10 and 11 of the glasses, the liquid crystal lens can also be arranged as the front lens and the rear lens, the front lens or the lenses are two triangular lens groups,

time-sharing shutter-type liquid crystal lenses 4 and 5 shown in figure 1; the alternate penetration is performed by alternate conversion of one light transmission end and one light transmission start, the square wave frequency of the input pulse voltage of the time-sharing shutter type liquid crystal lens grating is controlled by a liquid crystal lens pulse frequency controller 9 arranged in the middle of the glasses frame, the controller outputs 6-20V alternating current square wave pulse voltage to provide alternate converted square wave pulse voltage for two electrodes of two time-sharing shutter type liquid crystal lenses 4 and 5 of the left and right glasses frames 6 and 7, so that the lenses 4 and 5 alternately shield the light transmission left and right; the square wave frequency of the liquid crystal grating is 5-35 Hz/s.

Component symbol names shown: FIG. 1 of the drawings

1 glasses case

2 left front (right angle) triangular prism lens

3 right front (right angle) triangular prism lens

4 left time-sharing switch type liquid crystal lens

5 right time-sharing switch type liquid crystal lens

6 left eye glasses frame

7 Right spectacle frame

8 glasses legs

9 time-sharing switch type liquid crystal lens pulse frequency controller

Left-right rear (right angle) triangular prism lens

11 right rear (right angle) triangular prism lens

12 glasses nose frame

Assembly characteristics:

1. stereoscopic glasses for converting 2D video into 3D video; the glasses comprise a left glasses frame 6 and a right glasses frame 7 of a glasses shell 1, two groups of

optical lenses

2, 10, 3 and 11 are assembled, and a left transparent shielding lens 4 and a right transparent shielding lens 5 which are alternatively assembled are time-sharing switch type liquid crystal lenses; the two sets of

optical lenses

2, 10 and 3, 11 are 60-degree inclined right-angled triangular prisms: a left front triangular prism 2 in the left eye glasses frame, a right front triangular prism 3 in the right glasses frame, a left rear triangular prism 10 in the left eye glasses frame, and a right rear triangular prism 11 in the right glasses frame. The

triangular prisms

2, 10 and 3, 11 of the two sets of optical lenses require the assembly features in the left and right eyeglass frames to be: the triangular surfaces of the left front triangular prism lens 2 and the right front triangular prism lens 3 at the front end in the spectacle frame and the left rear triangular prism lens 10 and the right rear triangular prism lens 11 at the rear end in the spectacle frame are oppositely overlapped and assembled by the same inclined plane or right-angle surface, and the corresponding same mirror surfaces of the front and rear triangular prism lenses in the left and right spectacle frames are overlapped into a cuboid or a parallelepiped after assembly; two triangular lenses assembled in the left and right spectacle frames are overlapped to form a cuboid or a parallelepiped corresponding to the same triangular prism surface, namely a quadrangular prism with a rectangular or a parallelogram bottom surface, the included angle between the overlapped surface shown in the attached figure 1 and the screen plane is corresponding to the maximum visual width of the left and right spectacles, and the two triangular lenses are assembled in the left and right spectacle frames by the maximum reverse included angles of less than 45 degrees, so that the maximum light splitting effect of the left and right lens combinations is obtained;

2. the left and the right are alternately transparent lenses 4 and 5; the liquid crystal lens is a time-sharing switch type liquid crystal lens, a left time-sharing shutter type liquid crystal lens 4 and a right time-sharing shutter type liquid crystal lens 5 shown in the attached drawing 1; the assembly of the two groups of triangular prisms in the left and right spectacle frames is characterized in that: the time-sharing shutter type liquid crystal lens light 4 and 5 is assembled between the superposed mirror surfaces of the two triangular prisms in the two spectacle frames or is arranged at the front back or the back of the triangular lens group; the gratings in the left and right glasses frames are alternately transparent, and the transparent frequency of the cross is 5-35 frames/second; the time-sharing switch type liquid crystal lens is controlled by a liquid crystal lens pulse frequency controller 9 to have the alternating transparent square wave frequency of 5-35 Hz/s.

3. Stereo glasses assembly characteristics: the two prisms are folded in half, and the bottom surfaces of the two prisms are rectangular or parallelogram-shaped combined

prisms

2, 10, 3 and 11; the liquid crystal display comprises a left time-sharing switch type liquid crystal mirror piece 4 and a right time-sharing switch type liquid crystal mirror piece 5 which are alternately transparent, and is functionally characterized in that 2D video picture element light rays are decomposed into two light rays with different angles to generate a light visual range difference of human eyes, and the 2D video picture is decomposed into two different pictures in an equivalent space-time mode to generate an image visual range difference of the human eyes; the two 'stadia differences' generated in the left and right eyeglass frames are synthesized into a 3D stereoscopic image of the 2D video.

[ example ] 1

FIG. 1 is an assembly structure view of a pair of stereoscopic glasses, wherein the outer shape of a glasses case 1) is shown according to a pair of glasses having a left and a right glasses frame 6, 7, a front (right angle)

triangular prism

2, 3 and a rear (right angle)

triangular prism

10, 11 assembled in the left and the right glasses frame 6, 7, a front and a rear 60-degree right angle triangular prism inclined angle surfaces are oppositely assembled in an overlapping manner as shown by a dotted square frame 2 of FIG. 1, a top 2-lens (right angle) triangular prism is installed at the front and rear ends of the left and the right glasses frames 6, 7 of the glasses case 1, the front and the rear two lenses of the glasses are asymmetrically and homodromously assembled with a 2D screen surface at different angles, and the included angle between the overlapping surface of the inclined surface of the left and the right triangular prism lens and the inclined surface of the front and the right triangular prism and the screen surface at the rear of the glasses is maximized under the condition of ensuring the, The light is split by refraction, and the glasses can have a wider visual field; the larger the included angle between the light inlet surface and the superposition surface of the lens group shown in the virtual block diagrams of the two assembly positions 2 of the front and rear superposed right-angle triangular prism lens groups shown in the attached drawing 1 is (the included angle between the superposition surface and the 2D screen surface is less than 45 degrees), the better the light splitting effect, namely the light ray visual distance difference effect is.

The time division shutter type liquid crystal lenses 4, 5 alternately opened and closed as shown in fig. 1 are installed between the

front transmission lenses

2, 3 and the

rear transmission lenses

10, 11 fitted in the left and right eyeglass frames 6, 7 of the eyeglasses. The three-edged lens group and the time-sharing shutter type liquid crystal grating lens can be independently assembled in the glasses frame.

The liquid crystal lens pulse frequency controller 9 is assembled between the two spectacle frames, outputs 3-20V alternating-current square wave pulse voltage, and provides alternating square wave pulse voltage for two electrodes of the two time-sharing shutter type liquid crystal lenses 4 and 5 of the left spectacle frame 6 and the right spectacle frame 7, so that the lenses 4 and 5 are left and right alternately shielded and transmit light. The square wave frequency of the input pulse voltage is preferably 5 to 35 Hz.

Claims

1. The utility model provides a see that 2D video is three-dimensional glasses of 3D video, includes glasses casing (1), left eye picture frame (6) and right spectacle-frame (7), characterized by: two groups of optical lenses are arranged in the left glasses frame (6) and the right glasses frame (7) in a front-back mode, and a left liquid crystal lens and a right liquid crystal lens which are alternately transparent are arranged between the two optical lenses.

2. The stereoscopic glasses for watching 2D video and 3D video as claimed in claim 1, wherein: the two groups of optical lenses are two groups of triangular prisms, namely a left front triangular prism (2) in a left eye glasses frame, a left rear triangular prism (10) in the left eye glasses frame, a right front triangular prism (3) in a right glasses frame and a right rear triangular prism (11) in the right glasses frame.

3. The stereoscopic glasses for watching 2D video and 3D video as claimed in claim 2, wherein: the left front triangular prism lens (2) and the right front triangular prism lens (3) at the front end in the spectacle frame and the triangular surfaces of the left rear triangular prism lens (10) and the right rear triangular prism lens (11) at the rear end in the spectacle frame are oppositely overlapped and assembled by the same inclined plane or right-angle surface, and the corresponding same mirror surfaces of the front and rear triangular prism lenses in the left and right spectacle frames are overlapped into a rectangular hexahedron or a parallelepiped after assembly.

4. The stereoscopic glasses for watching 2D video and 3D video as claimed in claim 3, wherein: the folding surface of the left and right triangular prisms with the 30-degree bevel edge angle and the screen plane form an included angle which corresponds to the maximum visual angle width of the left and right glasses, and the left and right glasses are assembled in the left and right glasses frames with the maximum included angles of 1 and 2, so that the maximum light splitting effect of the left and right glasses combination is obtained.

5. The stereoscopic glasses for watching 2D video and 3D video as claimed in claim 1, wherein: control two penetrating liquid crystal lens in turn, including the timesharing shutter type liquid crystal lens: a left time-sharing shutter type liquid crystal lens (4) and a right time-sharing shutter type liquid crystal lens (5).

6. The stereoscopic glasses for watching 2D video and 3D video as claimed in claim 5, wherein: the left time-sharing shutter type liquid crystal lens (4) and the right time-sharing shutter type liquid crystal lens (5) are assembled between the superposed mirror surfaces of the two triangular prisms in the two spectacle frames or are arranged in front of or behind the triangular lens group.

7. The stereoscopic glasses for watching 2D video and 3D video as claimed in claim 6, wherein: the left and right glasses frames are alternately transparent, the alternate transparency is performed by alternate conversion of one transparent end and one transparent start, and the alternate transparency conversion frequency is 5-35 frames/second; the time-sharing switch type liquid crystal lens is controlled by a liquid crystal lens pulse frequency controller (9) to input square wave pulse voltage of 3-20V and square wave pulse frequency of 5-35 Hz/s.