CN104635346A - Stereoscopic naked-eye projection device and display device - Google Patents
Stereoscopic naked-eye projection device and display device Download PDFInfo
- Publication number
- CN104635346A CN104635346A CN201310559466.0A CN201310559466A CN104635346A CN 104635346 A CN104635346 A CN 104635346A CN 201310559466 A CN201310559466 A CN 201310559466A CN 104635346 A CN104635346 A CN 104635346A
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- light
- module
- projection arrangement
- spatial
- optical element
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
Abstract
The invention provides a stereoscopic naked-eye projection device and display device. The projection device comprises a light source module, a light scanning element, a light transmitting element module, a light combining element module, a spatial light modulation module and a lens. The light source module provides the light; the light scanning element is provided with a drive device and a reflection surface, and the drive device is used for deflecting the reflection surface; the light combining element module comprises a first light combining element; the spatial light modulation module comprises a first spatial light modulation element; the normal vector of the in-light surface of the first light combining element and that of the reflection surface of the first spatial light modulation element are in the same plane, and the plane is perpendicular to the plane arranged by a device body; the light is transmitted to the light scanning element, the light transmitting element module, the light combining element module and the spatial light modulation module from the light source module sequentially and is output from the device body via the lens. The stereoscopic naked-eye projection device has the advantages of simple optical path design and operation manner, and size and weight are reduced.
Description
Technical field
The present invention relates to a kind of optical devices, particularly a kind of solid is naked looks projection arrangement.
Background technology
In recent years, along with the development of stereo display technique, this technology is applied to various business-like application and arises at the historic moment, such as three-dimensional film, stereotelevision etc.Stereo display technique is in a sequential, by the left-eye images of different visual angles and right-eye image, is sent to left eye and the right eye of audience respectively, imitates the depth of field that human eye produces because of parallax, and makes observer watch stereopsis.
In addition, also can be divided into spectacle, helmet-type according to the need of being aided with extra equipment and three-dimensional nakedly looking display technique.Wherein more with solid naked depending on display technique because not needing just directly to be viewed and admired with direct naked eyes by special anaglyph spectacles or the special helmet, and receive the concern of industry especially.
Known solid naked depending on projection arrangement by multiple projection arrangement of arranging in pairs or groups (projection arrangement array can be arranged to), realize allow right and left eyes watch the object of different images.But this kind of design can make the microminiaturized difficulty of projection arrangement, and the light path design of each projection arrangement that is coupled also becomes complicated.Another kind of design is then for send the image of different angles to right and left eyes by liquid-crystal switching element in different sequential, but though this kind design can reduce the volume of projection arrangement, such as, if for providing 16 visual angles, then must configure two sections of liquid crystal shutters of 4 grades, and the efficiency conversion proportion of each two liquid crystal shutters is about 90%, therefore after 4 liquid crystal shutters, actual conversion efficiency only wins 65.6%, therefore adopts on-off element more complicated except controlling, and the efficiency of overall imaging is also poor.
In view of this, how by providing that a kind of light path design is simple, control mode simple, conversion efficiency is better, the solid that reduces of volume and weight is naked looks projection arrangement, is an industry problem demanding prompt solution for this reason.
Summary of the invention
Because above-mentioned problem, the solid that fundamental purpose of the present invention is to provide that a kind of light path design is simple, control mode simple, conversion efficiency is better, volume and weight reduce is naked looks projection arrangement.
For reaching above-mentioned purpose, the invention provides and a kind of three-dimensional nakedly look projection arrangement, and projection arrangement comprising light source module, photoscanning element, light transmitting element module, closing optical element module, spatial light modulation module and camera lens.
Light source module provides light.Photoscanning element has actuating device and reflecting surface, and actuating device is able to deflecting reflecting face.Close optical element module and comprise the first conjunction optical element.Spatial light modulation module comprises the first spatial optical modulation element.First closes the normal vector of incidence surface of optical element and the normal vector copline of the reflecting surface of the first spatial optical modulation element, and plane and the plane orthogonal set by projection arrangement.
Light will sequentially be passed to photoscanning element, light transmitting element module from light source module, close optical element module, spatial light modulation module, and leave projection arrangement via camera lens.
In a preferred embodiment of the present invention, light source module is laser array or laser cell.
In a preferred embodiment of the present invention, also comprise even optical element, be arranged between photoscanning element and light source module.Light sequentially will be passed to even optical element and photoscanning source element.
In a preferred embodiment of the present invention, close optical element module and also comprise the second conjunction optical element.Spatial light modulation module also comprises second space optical modulation element and the 3rd spatial optical modulation element.
After light enters second space optical modulation element and the 3rd spatial optical modulation element, close optical element by second and be passed to the first conjunction optical element, and to close the light that leaves of optical element through second be equidirectional.
In a preferred embodiment of the present invention, photoscanning element can be voice coil motor, polygonal mirror or micro electronmechanical eyeglass.
In a preferred embodiment of the present invention, spatial optical modulation element is digital micro-mirror device or liquid crystal indicator.
In a preferred embodiment of the present invention, the actuating device of photoscanning element makes reflecting surface deflect different angles, to form multiple different ken according to different sequential.
In a preferred embodiment of the present invention, conjunction optical element is total reflection prism.
In a preferred embodiment of the present invention, light transmitting element module is catoptron.
The present invention also can provide a display device, and display device comprises aforementioned arbitrary projection arrangement and display screen.And projection arrangement forms multiple ken on display screen.
In a preferred embodiment of the present invention, display screen comprises two-layer columnar lens.The omni-directional diffusion plate that two-layer columnar lens have two lens pillar layers and are sandwiched between these lens pillar layers.
Beneficial effect of the present invention is, in sum, the light that light source module provides by photoscanning element by the present embodiment, the light of different angles is transmitted in spatial light modulation module according to different sequential, and then replace and be knownly implemented in by multiple light source or on-off element the practice that different sequential produces the different ken, the solid that a kind of light path design is simple to provide, control mode simple, volume and weight reduce is naked looks projection arrangement.
Accompanying drawing explanation
Fig. 1 is the naked schematic diagram looking the first embodiment of projection arrangement of solid of the present invention.
To be that the solid of Fig. 1 is naked look projection arrangement imaging schematic diagram to Fig. 2.
To be that the solid of Fig. 1 is naked look the another imaging schematic diagram of projection arrangement to Fig. 3.
Fig. 4 is the diagrammatic cross-section of Fig. 1 along AA tangent line.
To be that the solid of Fig. 1 is naked look the another imaging schematic diagram of projection arrangement to Fig. 5.
Fig. 6 is display device schematic diagram of the present invention.
Fig. 7 A is the naked schematic diagram looking the second embodiment of projection arrangement of solid of the present invention.
Fig. 7 B is the naked schematic diagram looking the side of projection arrangement of the solid of Fig. 7 A.
Wherein, description of reference numerals is as follows:
1,1a: projection arrangement
10: light source module
11: even optical element
12: photoscanning element
121: actuating device
122: reflecting surface
13: light transmitting element module
14: close optical element module
Close optical element at 141: the first
141A: incidence surface
Close optical element at 142: the second
15: spatial light modulation module
151: the first spatial optical modulation elements
152: second space optical modulation element
153: the three spatial optical modulation elements
151A: reflecting surface
16: camera lens
2: display screen
21,23: lens pillar layer
22: omni-directional diffusion plate
3: display device
AA: profile line
B: the areas imaging of known spatial light modulation part
B ': areas imaging
C: region
P: plane
V
1, V
2: normal vector
Embodiment
Hereinafter with reference to relevant drawings, illustrate that one according to present pre-ferred embodiments is three-dimensional and nakedly look projection arrangement and display device, wherein identical element is illustrated with identical reference marks.
Meanwhile, in following examples and accompanying drawing, the element relevant to non-immediate of the present invention has omitted and not shown all; And each interelement size relationship is only and asks easy understanding in accompanying drawing, be not used to limit actual ratio.
Projection arrangement herein can be optical digital computing (Digital Light Processing; DLP) projection display or liquid crystal projection apparatus (Liquid Crystal Display; LCD), or monocrystalline silicon liquid crystal display (Liquid Crystal On Silicon System, LCOS System) etc. there is the equipment of projection display funciton.
Please refer to Fig. 1 to Fig. 5, Fig. 1 is the naked schematic diagram looking the first embodiment of projection arrangement of solid of the present invention.To be that the solid of Fig. 1 is naked look projection arrangement imaging schematic diagram to Fig. 2.To be that the solid of Fig. 1 is naked look the another imaging schematic diagram of projection arrangement for Fig. 3, Fig. 5.Fig. 4 is the diagrammatic cross-section of Fig. 1 along AA tangent line.
The projection arrangement 1 of the present embodiment at least comprises light source module 10, photoscanning element 12, light transmitting element module 13, closes optical element module 14, spatial light modulation module 15 and camera lens 16.Light will sequentially be passed to photoscanning element 12, light transmitting element module 13 from light source module 10, close optical element module 14, spatial light modulation module 15, and leave projection arrangement 1 via camera lens 16.
Light source module 10 is arranged at the side of photoscanning element 12, and light source module 10 can provide light.And light source module 10 can be laser array or laser cell.
In addition, the present embodiment also can comprise even optical element 11, and make light can enter photoscanning element 12 again after homogenized formation one strip-shaped light source, even optical element 11 can be arranged between photoscanning element 12 and light source module 10.Light sequentially will be passed to even optical element 11 and photoscanning source element 12.Alleged herein " even optical element " can be integration rod (integration rod) or optical channel (light tunnel).
Photoscanning element 12 has actuating device 121 and reflecting surface 122, and actuating device 121 is able to deflecting reflecting face 122.Wherein, the photoscanning element 12 of the present embodiment can be voice coil motor (voice coil motor), polygonal mirror (Polygon mirror) or micro electronmechanical (MEMS) eyeglass or these combination etc. formed.
And the voice coil motor of the present embodiment can be current mirror (galvano mirror), current mirror also can comprise the moving coil (not shown) being arranged at magnetic field.And rotate moving coil drive axis of rotation by the electromagnetic force that size of current produces, and deflect the catoptron of connection rotating shaft.In brief, if photoscanning element 12 is current mirror, then by controlling the size of the electric current of current mirror to adjust the angle of catoptron.
In addition, the deflectable angle of reflecting surface 122 of the present embodiment is 20 degree ~-20 degree, if the strip light for being provided by light source module 10, be projected to the strip-shaped light source of 16 different angles in different sequential, then reflecting surface can deflect 2.5 degree at every turn.But can cutting be also 32 different angles, to form 32 kens, in other words, angular distribution herein will adjust to some extent with ken quantity demand herein, not with described here 16 for restriction.
Brought forward, the actuating device 121 of photoscanning element 12 can make reflecting surface 122 deflect different angles according to different sequential, to form multiple different ken.Light from light source module 10 on X-Y coordinate plane can, to (Fig. 2) on Y-Z coordinate plane, be carried out scanning and imaging in the Y direction.
Light transmitting element module 13 is catoptron, and is arranged between conjunction optical element module 14 and photoscanning element 12.And the light transmitting element module 13 of the present embodiment and photoscanning element 12 press from both sides miter angle, therefore light is delivered to from photoscanning element 12 and closes optical element module 14 deflected 90 degree, and can image in (Fig. 2) on X-Z coordinate plane.
Close optical element module 14 and can comprise the first conjunction optical element 141, and the first conjunction optical element 141 can be total reflection prism.Incident angle can be greater than the light reflection of preset angle (such as 40 degree) by the first conjunction optical element 141, and makes incident angle be less than the light penetration of preset angle.Therefore, the light transmitted from light transmitting element module 13 will be reflected and is passed to spatial light modulation module 15.
As can be seen from Figure 3, light can close the X-Z coordinate plane (coordinate on the right side of drawing) of optical element 141 from first, be imaged onto X-Y coordinate plane (coordinate on the left of drawing), and be passed to the first conjunction optical element 141 again, now the incident angle of light can be less than predetermined angle, therefore the region C that will penetrate the first conjunction optical element 141, figure iso-surface patch is the incident area entering the first conjunction optical element 141 and can be passed to projection lens.The region C that this place is drawn is the angle (incident angle is less than predetermined angle) that can penetrate the first conjunction optical element 141, if image in the part beyond the C of region, will be reflected (incident angle is greater than predetermined angle).
Spatial light modulation module 15 comprises the first spatial optical modulation element 151.First spatial optical modulation element 151 is digital micro-mirror device (digital micromirror device; Or liquid crystal indicator (liquid crystal display device DMD); LCD device).
For example, if the first spatial optical modulation element 151 is digital micro-mirror device, then the range of deflection of digital micro-mirror device is 12 ~-12 degree (Fig. 5 indicates within known areas imaging is 24 degree with dotted line B), with switch control rule or the incident light of modulation.Herein when digital micro-mirror device is opening, close from first the light that optical element 141 transmits and again will be entered the first conjunction optical element 141 by reflection, and enter camera lens 16 and image in display screen 2.Otherwise, if closed condition, then can not image in display screen from the first light closing optical element 141 transmission.
Please with particular reference to Fig. 4, first of the present embodiment closes the normal vector V of the incidence surface 141A of optical element 141
1with the normal vector V of the reflecting surface 151A of the first spatial optical modulation element 151
2copline, and this plane is vertical with the plane P set by projection arrangement 1.
Further, please also refer to Fig. 2 and Fig. 5 different from known projection arrangement be in, it be equidirectional that first of the present embodiment closes optical element 141 and the first spatial optical modulation element 151, but not as the first conjunction optical element 141 of known projection arrangement and the first spatial optical modulation element 151 present the configuration of miter angle.It (take DMD as spatial optical modulation element is example that the present embodiment adopts the advantage of this kind of configuration to be the areas imaging B of known spatial light modulation part to be expanded into B ', imageable angle will be expanded into 40 degree by 24 degree), therefore the etendue (product of area and solid angle) of overall projection system light beam can be increased, obtain larger light quantity and the multiple kens formed more, and image in display screen 2.
Please refer to Fig. 6, it is display device schematic diagram of the present invention.
The present embodiment is display device 3, and display device 3 comprises aforesaid projection arrangement 1 and display screen 2.And projection arrangement 1 can form multiple ken on display screen 2, to realize allowing observer's right and left eyes can see the adjacent ken respectively, form parallax and watch the object of stereopsis.
What remark additionally is, Fig. 6 conveniently illustrates, only illustrate the first spatial optical modulation element 151 of projection arrangement 1 and the relativeness both camera lens 16, and non-actual disposition, only conveniently understand the imaging relations of projection arrangement 1 and display screen 2 and take this kind to draw.
In addition, the display screen 2 of the present embodiment also comprises two-layer columnar lens.Two-layer columnar lens have two lens pillar layers 21,23 and are sandwiched in the omni-directional diffusion plate 22(diffuser between described two lens pillar layers (double lenticular lens)).Specifically, from the light that projection arrangement 1 leaves, will be collected by lens pillar layer 21 and first imaging to omni-directional diffusion plate 22, after again by lens pillar layer 23 re-imaging to the ken plane at the place of user.
And, lens pillar layer 21,23 herein for there is high index of refraction transparent material made by, such as can be ultraviolet hardening resin, thermosetting resin or plastic cement.And the shape of the protuberance of two lens pillar layers 21,23 is circular, oval, triangle or square geometric configuration etc.
Supplementary notes be the curvature of protuberance of two lens pillar layers 21,23 of figure iso-surface patch and omni-directional diffusion plate 22, the distance of each element is all illustration, during practical application, all must consider projection arrangement 1 and adjust to some extent with the distance of display screen 2.
Finally, please refer to Fig. 7 A and 7B, it is respectively naked schematic diagram and the side schematic view thereof looking the second embodiment of projection arrangement of solid of the present invention.
Be with the projection arrangement deviation of the first embodiment (Fig. 1) one chip, the optical digital computing projection display of the projection arrangement 1a of the present embodiment also three-chip type.
The conjunction optical element module 14 of the present embodiment, except comprising the first conjunction optical element 141, also can comprise the second conjunction optical element 142.Similarly, the second conjunction optical element 142 can be total reflection prism.
In addition, the spatial light modulation module 15 of the present embodiment, except comprising the first spatial optical modulation element 151, also can comprise second space optical modulation element 152 and the 3rd spatial optical modulation element 153.Similarly, second space optical modulation element 152 and the 3rd spatial optical modulation element 153 can be digital micro-mirror device or liquid crystal indicator.
The light that light source module 10 provides sequentially will be passed to photoscanning element 12, light transmitting element module 13, close optical element module 14, spatial light modulation module 15, and leave projection arrangement 1 via camera lens 16.
Specifically, light first will be closed optical element 141 and second and closes optical element 142 and be sent to the situation that the first spatial optical modulation element 151, second space optical modulation element 152 and the 3rd spatial optical modulation element 153(be coupled with conjunction optical element module according to different incident angles by what closes optical element module 14).Then, after light enters the first spatial optical modulation element 151, second space optical modulation element 152 and the 3rd spatial optical modulation element 153, light is able to be reflected by those spatial optical modulation elements 151,152,153, and again enter the second conjunction optical element 142, and be passed to the first conjunction optical element 141 by the second conjunction optical element 142.
In addition, the light left through the second conjunction optical element 142 is equidirectional.In brief, the first spatial optical modulation element 151, second space optical modulation element 152 and the 3rd spatial optical modulation element 153 to reflect and the light entering the second conjunction optical element 142 will enter camera lens 16 with equidirectional and image in display screen 2.
Second space optical modulation element 152 and the 3rd spatial optical modulation element 153 similar to the first spatial optical modulation element 151 to the Matching Relation of all the other elements, therefore will to repeat no more.
In sum, the light that light source module provides by photoscanning element by the present embodiment, the light of different angles is transmitted in spatial light modulation module according to different sequential, and then replace and be knownly implemented in by multiple light source or on-off element the practice that different sequential produces the different ken, the solid that a kind of light path design is simple to provide, control mode simple, volume and weight reduce is naked looks projection arrangement.
The foregoing is only illustrative, but not be restricted person.Anyly do not depart from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in appended right.
Claims (11)
1. solid is naked looks a projection arrangement, comprising:
One light source module, provides a light;
One photoscanning element, have an actuating device and a reflecting surface, wherein this actuating device is deflected this reflecting surface;
One smooth transmitting element module;
One closes optical element module, comprising:
One first closes optical element;
One spatial light modulation module, comprising:
One first spatial optical modulation element, wherein this first the conjunction normal vector of one incidence surface of optical element and normal vector copline of a reflecting surface of this first spatial optical modulation element, and this plane and the plane orthogonal set by this projection arrangement; And
One camera lens;
Wherein, this light is sequentially passed to this photoscanning element, this light transmitting element module, this conjunction optical element module, this spatial light modulation module from this light source module, and leaves this projection arrangement via this camera lens.
2. the naked view apparatus of stereoprojection as claimed in claim 1, wherein this light source module is a laser array or a laser cell.
3. solid as claimed in claim 1 is naked looks projection arrangement, also comprise an even optical element, be arranged between this photoscanning element and this light source module, and this light is sequentially passed to this even optical element and this photoscanning source element.
4. solid as claimed in claim 1 is naked looks projection arrangement, wherein this conjunction optical element module, also comprise one second and close optical element, this spatial light modulation module also comprises a second space optical modulation element and one the 3rd spatial optical modulation element, wherein, after this light enters this second space optical modulation element and the 3rd spatial optical modulation element, be passed to this first conjunction optical element by this second conjunction optical element, and this light that this second conjunction optical element of process leaves is equidirectional.
5. solid as claimed in claim 1 is naked looks projection arrangement, and wherein this photoscanning element is voice coil motor, polygonal mirror or micro electronmechanical eyeglass.
6. the solid as described in claim 1 or 4 is naked looks projection arrangement, and wherein this spatial optical modulation element is a digital micro-mirror device or a liquid crystal indicator.
7. solid as claimed in claim 1 is naked looks projection arrangement, and wherein this actuating device of this photoscanning element makes this reflecting surface deflect different angles, to form multiple different ken according to different sequential.
8. the solid as described in claim 1 or 4 is naked looks projection arrangement, and wherein this conjunction optical element is a total reflection prism.
9. solid as claimed in claim 1 is naked looks projection arrangement, and wherein this light transmitting element module is a catoptron.
10. a display device, comprising:
Solid as described in as arbitrary in claim 1 to 9 is naked looks projection arrangement; And
One display screen;
Wherein, this solid is naked forms multiple ken depending on projection arrangement on this display screen.
11. display device as claimed in claim 10, wherein this display screen comprises pair of lamina lens pillar, and these two-layer columnar lens have two lens pillar layers and and are sandwiched in omni-directional diffusion plate between described two lens pillar layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559466.0A CN104635346B (en) | 2013-11-12 | 2013-11-12 | It is three-dimensional naked regarding projection arrangement and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559466.0A CN104635346B (en) | 2013-11-12 | 2013-11-12 | It is three-dimensional naked regarding projection arrangement and display device |
Publications (2)
| Publication Number | Publication Date |
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| CN104635346A true CN104635346A (en) | 2015-05-20 |
| CN104635346B CN104635346B (en) | 2017-08-04 |
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| CN201310559466.0A Expired - Fee Related CN104635346B (en) | 2013-11-12 | 2013-11-12 | It is three-dimensional naked regarding projection arrangement and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967835A (en) * | 2015-06-10 | 2015-10-07 | 湖北恒颖超科技有限公司 | Household three-network-integrated 3D projector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276062A (en) * | 2007-03-31 | 2008-10-01 | 索尼德国有限责任公司 | Image generating apparatus |
| EP2015589A1 (en) * | 2007-07-13 | 2009-01-14 | Barco NV | Stereo display system with scanning of light valves |
| US20120176665A1 (en) * | 2011-01-11 | 2012-07-12 | Hoon Song | 3-dimensional image display apparatus |
| CN103163719A (en) * | 2011-12-09 | 2013-06-19 | 台达电子工业股份有限公司 | Stereoscopic display device |
-
2013
- 2013-11-12 CN CN201310559466.0A patent/CN104635346B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276062A (en) * | 2007-03-31 | 2008-10-01 | 索尼德国有限责任公司 | Image generating apparatus |
| EP2015589A1 (en) * | 2007-07-13 | 2009-01-14 | Barco NV | Stereo display system with scanning of light valves |
| US20120176665A1 (en) * | 2011-01-11 | 2012-07-12 | Hoon Song | 3-dimensional image display apparatus |
| CN103163719A (en) * | 2011-12-09 | 2013-06-19 | 台达电子工业股份有限公司 | Stereoscopic display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967835A (en) * | 2015-06-10 | 2015-10-07 | 湖北恒颖超科技有限公司 | Household three-network-integrated 3D projector |
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Granted publication date: 20170804 Termination date: 20201112 |