CN103676450A - 3D converting system for 2D projecting system - Google Patents
3D converting system for 2D projecting system Download PDFInfo
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- CN103676450A CN103676450A CN201210322564.8A CN201210322564A CN103676450A CN 103676450 A CN103676450 A CN 103676450A CN 201210322564 A CN201210322564 A CN 201210322564A CN 103676450 A CN103676450 A CN 103676450A
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Abstract
The invention provides a 3D converting system for a 2D projecting system, and relates to the optical field, in particular to a 3D converting system. The 3D converting system comprises an equipment housing, and further comprises a driving mechanism, wherein a 2D projecting lens connector and a 3D optical converting system are arranged on the equipment housing; a linear polarization plate and a quarter-wave plate mechanism are sequentially arranged on the 3D optical converting system in an optical path direction from one side of the 2D projecting lens connector; the quarter-wave plate mechanism comprises at least two quarter-wave plates; at least two quarter-wave plates with different angles are arranged in an encircling manner to form a circular mechanism which is called a polarized light modulator; the polarized light modulator is provided with a rotating shaft; the driving mechanism is provided with a driving rotating shaft linked with the rotating shaft; a projection window used for projecting images is arranged behind the quarter-wave plates and is positioned on the equipment housing. According to the invention, 2D images projected by a 2D projecting machine can be converted into 3D images simply and conveniently.
Description
Technical field
The present invention relates to optical field, be specifically related to a kind of 3D converting system.
Background technology
At present, in correlation technique, it is expensive that 3D projector compares common 2D projector, the special shutter glasses of simultaneously also will arranging in pairs or groups, and glasses internal battery, wears inconvenience, and structure is loaded down with trivial details, compares polaroid glasses cost higher.
Meanwhile, in correlation technique, have the Liang Tai projector of employing and two polariscopes, this mode has increased use cost undoubtedly, also needs in addition the relative position of Dui Liangtai projector to do accurate adjustment, complicated operation, and consistance is poor, uses inconvenience.
Summary of the invention
The object of the invention is to, a kind of 2D optical projection system 3D converting system is provided, solve above technical matters.
Technical matters solved by the invention can realize by the following technical solutions:
2D optical projection system 3D converting system, is characterized in that, comprises an apparatus casing, and described apparatus casing is provided with a 2D projection lens interface, and described 2D projection lens interface rear is provided with a 3D optical transition system;
From 2D projection lens interface one side, from light path, move towards the above 3D optical transition system and be provided with successively linear polarizer He Yi quarter-wave plate mechanism;
Described quarter-wave plate mechanism comprises at least two quarter-wave plates, and at least two different quarter-wave plates of angle surround the circular mechanism of a closure, and described circular mechanism is called polarized light modulator, and described polarized light modulator is provided with a rotating shaft;
Also comprise a driving mechanism, described driving mechanism is provided with a drive shaft; Described drive shaft and described rotating shaft interlock;
Described quarter-wave plate rear is also provided with for projecting the projection window of image, and described projection window is positioned on described apparatus casing.Circular mechanism can present discoid or cylindric.Described quarter-wave plate, for having the light transmission piece of quarter-wave plate, can be conventional quarter-wave plate, also can be for having the phase retardation film of quarter-wave plate optical effect.
In use, 2D image You2D projector produces, and by 2D projection lens interface, enters 3D optical transition system, by the light in 2D image after linear polarizer, becomes linearly polarized light, then by after quarter-wave plate, light becomes circularly polarized light.Because polarized light modulator comprises at least two quarter-wave plates that angle is different, and does spinning movement, therefore the light in the outgoing of projection window is the different circularly polarized light of sense of rotation.Spectators are by wearing secondary two polarising glasses that eyeglass polarization angle is different, and the picture that can make two eyes see is different.Under the different prerequisite of the picture seen at two eyes, by adjusting 2D projector, throw in picture, and the rotating speed of polarized light modulator, can realize the control to people's left eye and right vision picture, and then by the organic adjustment to equipment, by protecting inclined to one side screen, receive image, realize 3D and show.Protect inclined to one side screen surfaces and contain metal ingredient, can guarantee that reflected light still keeps polarization characteristic.
Described 2D projection lens interface is provided with lock sealing device.The camera lens of Jiang2D projector extend into after 2D projection lens interface, by lock sealing device, locks, and sealing, and then fix 2D projection lens, and prevent that dust from entering.
Described projection window open area and width are all less than or equal to the quarter-wave plate in described polarized light modulator, and described projection window is blocked by described quarter-wave plate;
Described polarized light modulator comprises two quarter-wave plate groups; Each quarter-wave plate in one group of quarter-wave plate is in described polarized light modulator rotary course, and the polarization angle while sheltering from described projection window is consistent;
Each quarter-wave plate in another group quarter-wave plate is in described polarized light modulator rotary course, and the polarization angle while sheltering from described projection window is consistent;
The polarization angle of each quarter-wave plate in two groups of quarter-wave plates when sheltering from described projection window differs 90 degree.Because differ 90 degree, so the light projecting at projection window there will be left-hand polarization light and right-handed polarized light, and then can alternately there is having the image and the image with dextropolarization light characteristic of left-hand polarization light characteristic in the image projecting at projection window.In viewers wear two eyeglasses be respectively left-hand polarization light microscopic sheet and right-handed polarized light eyeglass in the situation that, the picture that left eye is seen with right eye is different, possesses the condition that produces 3D visual effect.
Described 2D optical projection system 3D converting system also comprises a microprocessor system, and described microprocessor system is provided with a frame of video input information interface; Described microprocessor system also connects a motor driving module, and described driving mechanism is provided with a CD-ROM drive motor, and described motor driving module connects the controlled end of CD-ROM drive motor described in.
Described frame of video input information interface can connect 2D projector, by 2D projector, obtains frame of video information.Described frame of video input information interface also can be by connecting optical sensor, the frame of video information of monitoring 2D projector.Optical sensor can be by the saltus step information acquisition frame of video information of monitoring frame of video.
After obtaining frame of video information, microprocessor system is according to CD-ROM drive motor described in the frame of video information-driven of described acquisition, and then drives described polarized light modulator, realizes 3D conversion.
Described polarized light modulator and optical encoding disk interlock, the signal output part of described optical encoding disk connects the signal input part of described microprocessor system.It by optical encoding disk, is the rotation information of described microprocessor system feedback polarized light modulator.With the accuracy that guarantees to drive.
The slewing rate of polarized light modulator, half that should Wei2D projector frame of video frequency.The slewing rate of polarized light modulator, half that should Wei2D projector video frame rate.If frame per second is 144hz, the rotating speed of optical encoding unit is per second 72 to turn.
Concrete enforcement 1:
It is one discoid that each quarter-wave plate in described polarized light modulator surrounds, and forms discoid polarized light modulator.Described projection window is positioned at discoid described polarized light modulator rear.The 2D projector light spot size being blocked, is less than or equal to the size of every quarter-wave plate, and circularly polarized light can be appeared from projection window.
Described polarized light modulator comprises two groups of quarter-wave plates, and every group is provided with the adjacent n an arranging quarter-wave plate, amounts to 2n quarter-wave plate, and 2n quarter-wave plate is fan-shaped, and fan-shaped radian is identical;
In every group of quarter-wave plate, the polarization angle of each quarter-wave plate increases 360/2n degree successively one by one, so that every quarter-wave plate is when rotating to described projection window, polarization angle is identical.
In two groups of quarter-wave plates, two adjacent quarter-wave plates successively differ: 90 degree-360/2n degree in sense of rotation.So that when being transformed into another group quarter-wave plate printing opacity from one group of quarter-wave plate, from a projection mouthful polarization angle, differ 90 degree, and then make the light projecting away through two groups of quarter-wave plates there is respectively left-hand polarization light characteristic and dextropolarization light characteristic.
Preferably 6 of the quantity of every group of quarter-wave plate, preferably contain 12 quarter-wave plates in a polarized light modulator.Experiment shows that this is more satisfactory state.
Concrete enforcement 2:
It is one cylindric that each quarter-wave plate in described polarized light modulator surrounds, and forms a polarized light modulator cylindraceous.Described projection window is positioned at described polarized light modulator cylindraceous rear.To guarantee that the light penetrating from projection window all has circularly polarized light characteristic.
The light of described 2D projection lens interface is injected from one end of described described polarized light modulator cylindraceous;
The inner side of described described polarized light modulator cylindraceous is provided with a reflective mirror, the light of described 2D projection lens interface irradiates described reflective mirror, the reflection direction of described reflective mirror is towards described projection window, described reflective mirror by light reflection to described polarized light modulator, and then shine on extraneous screen by described projection window, present 3D image.
Described polarized light modulator comprises two groups of quarter-wave plate groups that polarization angle is different, and the quarter-wave plate of two groups of quarter-wave plate groups is strip, and it is one cylindric that the quarter-wave plate of many strips surrounds.
Described in two groups, in quarter-wave plate group, each each quarter-wave plate polarization angle of organizing in quarter-wave plate group is identical; The polarization angle of the quarter-wave plate described in two groups between quarter-wave plate group differs 90 degree.And then make the light projecting away through two groups of quarter-wave plates there is respectively left-hand polarization light characteristic and dextropolarization light characteristic.
By the present invention, the 2D image that Jiang2D projector that can be easy projects is converted into 3D image.With respect to traditional 3D projector, for the anaglyph spectacles of wearing, require lowlyer, be only common rotatory polarization glasses, cost is lower, and imaging effect is desirable, is applicable to many people and watches together.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the discoid polarized light modulator structure of the present invention schematic diagram;
Fig. 3 is the present invention's polarized light modulator cylindraceous sectional structure schematic diagram.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1,2D optical projection system 3D converting system, comprises an apparatus casing 1, and apparatus casing 1 is provided with a 2D projection lens interface 11, and 2D projection lens interface 11 rears are provided with a 3D optical transition system.From 2D projection lens interface 11 1 sides, from light path, walk upwards 3D optical transition system and be provided with successively linear polarizer 12 He Yi quarter-wave plate mechanisms 13.Quarter-wave plate, for having the light transmission piece of quarter-wave plate, can be conventional quarter-wave plate, also can be for having the phase retardation film of quarter-wave plate optical effect.
With reference to Fig. 2, Fig. 3, quarter-wave plate mechanism 13 comprises at least two quarter-wave plates, at least two different quarter-wave plates of angle surround the circular mechanism of a closure, and circular mechanism is called polarized light modulator 2, and polarized light modulator 2 is provided with a rotating shaft 21.Also comprise a driving mechanism 14, driving mechanism 14 is provided with a drive shaft, drive shaft and rotating shaft 21 interlocks.The quarter-wave plate rear of quarter-wave plate mechanism 13 is also provided with for projecting the projection window 15 of image, and projection window 15 is positioned on apparatus casing 1.2D projection lens interface 11 is provided with lock sealing device.The camera lens of Jiang2D projector 4 extend into after 2D projection lens interface 11, by lock sealing device, locks, and sealing, and then fix 2D projection lens, and prevent that dust from entering.
In use, 2D image You2D projector 4 produces, and by 2D projection lens interface 11, enters 3D optical transition system, by the light in the rear 2D image of linear polarizer 12, becomes linearly polarized light, then by after quarter-wave plate, light becomes circularly polarized light.Because polarized light modulator 2 comprises at least two quarter-wave plates that angle is different, and does spinning movement, therefore the light in 15 outgoing of projection window is the different circularly polarized light of sense of rotation.Spectators are by wearing secondary two polarising glasses that eyeglass polarization angle is different, and the picture that can make two eyes see is different.Under the different prerequisite of the picture seen at two eyes, by adjusting 2D projector 4, throw in pictures, and the rotating speed of polarized light modulator 2, can realize the control to people's left eye and right vision picture, and then by the organic adjustment to equipment, by protecting inclined to one side screen, receive image, realize 3D and show.Protect inclined to one side screen surfaces and contain metal ingredient, can guarantee that reflected light still keeps polarization characteristic.Projection window 15 areas and width are all less than or equal to the quarter-wave plate in polarized light modulator 2, and projection window 15 is blocked by quarter-wave plate.Hot spot 16 sizes that are blocked are less than or equal to the size of every quarter-wave plate.Circularly polarized light can be appeared from projection window 15.
With reference to Fig. 2, Fig. 3, polarized light modulator 2 comprises two quarter-wave plate groups 22,23.Each quarter-wave plate in one group of quarter-wave plate 22 is in polarized light modulator 2 rotary courses, and the polarization angle while sheltering from projection window 15 is consistent.Each quarter-wave plate in another group quarter-wave plate 22 is in polarized light modulator 2 rotary courses, and the polarization angle while sheltering from projection window 15 is consistent.The polarization angle of each quarter-wave plate in two groups of quarter- wave plates 22,23 when sheltering from projection window 15 differs 90 degree.Because differ 90 degree, so the light projecting at projection window 15 there will be left-hand polarization light and right-handed polarized light, and then can alternately there is having the image and the image with dextropolarization light characteristic of left-hand polarization light characteristic in the image projecting at projection window 15.In viewers wear two eyeglasses be respectively left-hand polarization light microscopic sheet and right-handed polarized light eyeglass in the situation that, the picture that left eye is seen with right eye is different, possesses the condition that produces 3D visual effect.
Electronic control system for 2D optical projection system 3D converting system adopts following design:
2D optical projection system 3D converting system also comprises a microprocessor system 3, and microprocessor system 3 is provided with a frame of video input information interface.Microprocessor system 3 also connects a motor driving module 5, and driving mechanism 14 is provided with a CD-ROM drive motor, and motor driving module 5 connects the controlled end of a CD-ROM drive motor.
Frame of video input information interface can connect 2D projector 4, by 2D projector 4, obtains frame of video information.Frame of video input information interface also can be by connecting optical sensor, the frame of video information of monitoring 2D projector 4.Optical sensor can be by the saltus step information acquisition frame of video information of monitoring frame of video.After obtaining frame of video information, microprocessor system 3 is according to the frame of video information-driven CD-ROM drive motor obtaining, and then driving polarized light modulator 2, realizes 3D conversion.
Specific embodiment 1:
With reference to Fig. 2, it is one discoid that each quarter-wave plate in polarized light modulator 2 surrounds, and forms discoid polarized light modulator.Projection window 15 is positioned at discoid polarized light modulator 2 rears.The 2D projector light spot size being blocked, is less than or equal to the size of every quarter-wave plate, to guarantee that the light penetrating from projection window 15 all has circularly polarized light characteristic.
In two groups of quarter- wave plate groups 22,23, two adjacent quarter-wave plates successively differ in sense of rotation: 90 degree deduct the number of degrees of 360/2n degree.So that when being transformed into another group quarter-wave plate printing opacity from one group of quarter-wave plate, from a projection mouthful polarization angle, differ 90 degree, and then make the light projecting away through two groups of quarter-wave plates there is respectively left-hand polarization light characteristic and dextropolarization light characteristic.
The optical encoding of optical encoding disk 6 is arranged on the periphery of discoid polarized light modulator 2.Thereby optical encoding disk and polarizer group 2 are combined together.
In concrete enforcement, in quarter- wave plate group 22,23, the quantity of quarter-wave plate is preferably 6, in a polarized light modulator 2, preferably contains 12 quarter-wave plates.Experiment shows that this is more satisfactory state.
Specific embodiment 2:
With reference to Fig. 3, it is one cylindric that each quarter-wave plate in polarized light modulator 2 surrounds, and forms a polarized light modulator cylindraceous.Projection window 15 is positioned at polarized light modulator cylindraceous rear.To guarantee that the light penetrating from projection window 15 all has circularly polarized light characteristic.The light of 2D projection lens interface 11, after linear polarizer 12, is injected from one end of polarized light modulator cylindraceous.The inner side of polarized light modulator cylindraceous is provided with a reflective mirror 7, the light of 2D projection lens interface 11 irradiates reflective mirror 7, the reflection direction of reflective mirror 7 is towards projection window 15, reflective mirror 7 by light reflection to polarized light modulator 2, and then shine on extraneous screen by projection window 15, present 3D image.
Polarized light modulator comprises that the quarter-wave plate of 22,23, two groups of quarter- wave plate groups 22,23 of quarter-wave plate group that two groups of polarization angles are different is strip, and it is one cylindric that the quarter-wave plate of many strips surrounds.
In two groups of quarter- wave plate groups 22,23, each each quarter-wave plate polarization angle of organizing in quarter-wave plate group is identical.The polarization angle of the quarter-wave plate between two groups of quarter- wave plate groups 22,23 differs 90 degree.And then make the light projecting away through two groups of quarter- wave plates 22,23 there is respectively left-hand polarization light characteristic and dextropolarization light characteristic.
The optical encoding of optical encoding disk 6 is arranged on the periphery of polarized light modulator 2 cylindraceous.Thereby optical encoding disk and polarizer group 2 are combined together.
By the present invention, the 2D image that Jiang2D projector that can be easy projects is converted into 3D image.With respect to traditional 3D projector, for the anaglyph spectacles of wearing, require lowlyer, be only common rotatory polarization glasses, cost is lower, and imaging effect is desirable, is applicable to many people and watches together.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1.2D optical projection system 3D converting system, is characterized in that, comprises an apparatus casing, and described apparatus casing is provided with a 2D projection lens interface, and described 2D projection lens interface rear is provided with a 3D optical transition system;
From 2D projection lens interface one side, from light path, move towards the above 3D optical transition system and be provided with successively linear polarizer He Yi quarter-wave plate mechanism;
Described quarter-wave plate mechanism comprises at least two quarter-wave plates, and at least two different quarter-wave plates of angle surround the circular mechanism of a closure, and described circular mechanism is called polarized light modulator, and described polarized light modulator is provided with a rotating shaft;
Also comprise a driving mechanism, described driving mechanism is provided with a drive shaft; Described drive shaft and described rotating shaft interlock;
Described quarter-wave plate rear is also provided with for projecting the projection window of image, and described projection window is positioned on described apparatus casing.
2. 2D optical projection system 3D converting system according to claim 1, is characterized in that: described projection window open area and width are all less than or equal to the quarter-wave plate in described polarized light modulator, and described projection window is blocked by described quarter-wave plate;
Described polarized light modulator comprises two quarter-wave plate groups; Each quarter-wave plate in one group of quarter-wave plate is in described polarized light modulator rotary course, and the polarization angle while sheltering from described projection window is consistent;
Each quarter-wave plate in another group quarter-wave plate is in described polarized light modulator rotary course, and the polarization angle while sheltering from described projection window is consistent;
The polarization angle of each quarter-wave plate in two groups of quarter-wave plates when sheltering from described projection window differs 90 degree.
3. 2D optical projection system 3D converting system according to claim 2, is characterized in that: described 2D optical projection system 3D converting system also comprises a microprocessor system, and described microprocessor system is provided with a frame of video input information interface; Described microprocessor system also connects a motor driving module, and described driving mechanism is provided with a CD-ROM drive motor, and described motor driving module connects the controlled end of CD-ROM drive motor described in.
4. 2D optical projection system 3D converting system according to claim 3, is characterized in that: described frame of video input information interface connects 2D projector, by 2D projector, obtains frame of video information.
5. 2D optical projection system 3D converting system according to claim 3, it is characterized in that: described polarized light modulator and optical encoding disk interlock, the signal output part of described optical encoding disk connects the signal input part of described microprocessor system, is the rotation information of described microprocessor system feedback polarized light modulator by optical encoding disk.
6. according to the 2D optical projection system 3D converting system described in claim 1,2,3,4 or 5, it is characterized in that: each quarter-wave plate in described polarized light modulator surrounds one discoid, form discoid polarized light modulator, described projection window is positioned at discoid described polarized light modulator rear.
7. 2D optical projection system 3D converting system according to claim 6, it is characterized in that: described polarized light modulator comprises two groups of quarter-wave plates, every group is provided with the adjacent n an arranging quarter-wave plate, amount to 2n quarter-wave plate, 2n quarter-wave plate is fan-shaped, and fan-shaped radian is identical;
In every group of quarter-wave plate, each quarter-wave plate increases 360/2n degree successively one by one, so that every quarter-wave plate is when rotating to described projection window, polarization angle is identical.
8. 2D optical projection system 3D converting system according to claim 7, is characterized in that: in two groups of quarter-wave plates, two adjacent quarter-wave plates successively differ: 90 degree-360/2n degree in sense of rotation.
9. according to the 2D optical projection system 3D converting system described in claim 1,2,3,4 or 5, it is characterized in that: each quarter-wave plate in described polarized light modulator surrounds one cylindric, form a polarized light modulator cylindraceous.
10. 2D optical projection system 3D converting system according to claim 1, is characterized in that: described projection window is positioned at described polarized light modulator cylindraceous rear; The light of described 2D projection lens interface is injected from one end of described described polarized light modulator cylindraceous;
The inner side of described described polarized light modulator cylindraceous is provided with a reflective mirror, the light of described 2D projection lens interface irradiates described reflective mirror, the reflection direction of described reflective mirror is towards described projection window, described reflective mirror to described polarized light modulator, and then shines light reflection on extraneous screen by described projection window;
Described polarized light modulator comprises two groups of quarter-wave plate groups that polarization angle is different, and the quarter-wave plate of two groups of quarter-wave plate groups is strip, and it is one cylindric that the quarter-wave plate of many strips surrounds; Described in two groups, in quarter-wave plate group, each each quarter-wave plate polarization angle of organizing in quarter-wave plate group is identical; The polarization angle of the quarter-wave plate described in two groups between quarter-wave plate group differs 90 degree.And then make the light projecting away through two groups of quarter-wave plates there is respectively left-hand polarization light characteristic and dextropolarization light characteristic.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676180A (en) * | 2012-09-26 | 2014-03-26 | 上海蝶维影像科技有限公司 | Circular polarization optical system 3D conversion system |
| CN106028023A (en) * | 2016-07-12 | 2016-10-12 | 昆山安亚特光电有限公司 | 2D and 3D digital cinema projection system without sports mechanism |
| CN110023893A (en) * | 2016-11-22 | 2019-07-16 | 皇家飞利浦有限公司 | The dynamic dimension of 3D content for being adjusted based on Viewport Size is switched |
| CN110430413A (en) * | 2019-08-13 | 2019-11-08 | 苏州兆见智能科技有限公司 | A kind of method for displaying projection of more people's stereoscopic experiences |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007524111A (en) * | 2003-07-18 | 2007-08-23 | キノプティクス テクノロジーズ インコーポレイテッド | Color projection display system |
| WO2008141247A1 (en) * | 2007-05-09 | 2008-11-20 | Real D | Polarization conversion system and method for stereoscopic projection |
| CN101573641A (en) * | 2006-12-18 | 2009-11-04 | 汤姆森特许公司 | 2D/3D projector with rotating translucent cylinder for alternating light polarisation |
| US20110013144A1 (en) * | 2009-07-14 | 2011-01-20 | Silverstein Barry D | Stereoscopic projector with rotating segmented disk |
| CN102591028A (en) * | 2011-03-23 | 2012-07-18 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| CN202771151U (en) * | 2012-09-03 | 2013-03-06 | 上海蝶维影像科技有限公司 | 3d conversion system |
-
2012
- 2012-09-03 CN CN201210322564.8A patent/CN103676450B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007524111A (en) * | 2003-07-18 | 2007-08-23 | キノプティクス テクノロジーズ インコーポレイテッド | Color projection display system |
| CN101573641A (en) * | 2006-12-18 | 2009-11-04 | 汤姆森特许公司 | 2D/3D projector with rotating translucent cylinder for alternating light polarisation |
| WO2008141247A1 (en) * | 2007-05-09 | 2008-11-20 | Real D | Polarization conversion system and method for stereoscopic projection |
| US20110013144A1 (en) * | 2009-07-14 | 2011-01-20 | Silverstein Barry D | Stereoscopic projector with rotating segmented disk |
| CN102591028A (en) * | 2011-03-23 | 2012-07-18 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| CN202771151U (en) * | 2012-09-03 | 2013-03-06 | 上海蝶维影像科技有限公司 | 3d conversion system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676180A (en) * | 2012-09-26 | 2014-03-26 | 上海蝶维影像科技有限公司 | Circular polarization optical system 3D conversion system |
| CN106028023A (en) * | 2016-07-12 | 2016-10-12 | 昆山安亚特光电有限公司 | 2D and 3D digital cinema projection system without sports mechanism |
| CN110023893A (en) * | 2016-11-22 | 2019-07-16 | 皇家飞利浦有限公司 | The dynamic dimension of 3D content for being adjusted based on Viewport Size is switched |
| CN110023893B (en) * | 2016-11-22 | 2023-03-21 | 皇家飞利浦有限公司 | Dynamic dimension switching for viewport-sizing based 3D content |
| CN110430413A (en) * | 2019-08-13 | 2019-11-08 | 苏州兆见智能科技有限公司 | A kind of method for displaying projection of more people's stereoscopic experiences |
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| CN103676450B (en) | 2017-03-29 |
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