CN102298257A - Stereoscopic rear projection display equipment - Google Patents
Stereoscopic rear projection display equipment Download PDFInfo
- Publication number
- CN102298257A CN102298257A CN2010102071111A CN201010207111A CN102298257A CN 102298257 A CN102298257 A CN 102298257A CN 2010102071111 A CN2010102071111 A CN 2010102071111A CN 201010207111 A CN201010207111 A CN 201010207111A CN 102298257 A CN102298257 A CN 102298257A
- Authority
- CN
- China
- Prior art keywords
- projector
- display
- display screen
- back projection
- display apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses stereoscopic rear projection display equipment. The equipment comprises a display array formed by M rows and N lines of display units, wherein M and N are natural numbers; each display unit comprises a box body, a display screen and a projector; the projector is arranged inside the box body and is used for projecting images; and the display screen is arranged on the end face of the box body and is used for receiving and displaying the images projected by the projector. The stereoscopic spliced rear projection display equipment provided by the invention can display not only 2D (two dimensional) images but also 3D (three dimensional) images and can assemble stereoscopic display screens in any size according to the demands of users.
Description
Technical field
The present invention relates to a kind of display device, especially a kind of three-dimensional back projection display apparatus.
Background technology
Along with science and technology development, people obtain the mode of information and to the demand of information also all in continuous increase.Since last century, electronic splicing rear-projection technology appearred in the eighties, large-scale splicing back projection display apparatus was widely used in the information issue of station, harbour, airport always, perhaps the large board in market, supermarket etc.
But existing general back projection display apparatus has only the large-screen splicing display system of 2D, also is not used in 3 D spliced technique for displaying and occurs.Though can transfer to adopt the orthogonal projection mode to reach the stereo display of projection, this mode can't satisfy the demand that obtains qualitative picture under the condition that surround lighting becomes clear.
Summary of the invention
In view of the defective that above-mentioned prior art exists, the object of the present invention is to provide a kind of both can Projection Display 2D image, can show 3D rendering again and have the three-dimensional back projection display apparatus of the image display effect of high-quality.
To achieve these goals, a kind of 3 D spliced back projection display apparatus provided by the invention comprises the array of display of being made up of the display unit of the capable N row of M, and wherein M and N are natural number; Described stereoscopic display unit comprises casing, display screen and projector, and described projector is arranged at described box house and is used for projects images, and the end face that described display screen is arranged at described casing is used for receiving and showing described projector image projected.
As improvement, be provided with the strip light polarizing film between described projector and the described display screen.
As improvement, described stereo projector comprises two projector's core print seats and is arranged on two projector's movements on described two projector's core print seats respectively side by side, is respectively arranged with projection lens on described two projector's movements
Described stereo projector is the single three-dimensional movement projection arrangement that timesharing shows left and right sides image that has.
As improvement, be provided with removable polaroid between described projection lens and the described display screen.
As improvement, comprise that also one is arranged at described box house and is used for described projector image projected is amplified the catoptron that reflexes on the described display screen.The image that the increase catoptron is launched than stereo projector in described casing directly projects on the display screen, greatly conserve space.
As improvement, described casing is rectangular parallelepiped or the cube structure that is suitable for piling up splicing.
As improvement, described display screen is glass curtain or glass bead screen.Seamless spliced by this screen can not exert an influence to the demonstration of 3D image.
Be compared to existing back projection display apparatus, the present invention has following beneficial effect:
1, can make up the stereo display screen of any size according to user's demand, equipment dismounting, assembling, mobile all very convenient;
2, the 3 D spliced back projection display apparatus of the present invention both can Projection Display 2D image, can show 3D rendering and the image display effect with high-quality again.
Description of drawings
Fig. 1 is the structure diagram of the 3 D spliced back projection display apparatus of the embodiment of the invention one;
Fig. 2 is the structure diagram of the stereoscopic display unit of the embodiment of the invention one;
Fig. 3 is the structure diagram after the additional strip light polarizing film of the stereoscopic display unit of the embodiment of the invention one;
Fig. 4 is the structure diagram behind the stereoscopic display unit additional reflector of the embodiment of the invention one;
Fig. 5 is the structure diagram of the stereo projector of the embodiment of the invention two.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment one
As depicted in figs. 1 and 2, a kind of 3 D spliced back projection display apparatus 2 provided by the invention comprises the array of display of being made up of the display unit 21 of the capable N row of M, and wherein M and N are natural number; Described display unit 21 comprises casing 11, display screen 2 and projector 3, and described projector 3 is arranged at described casing 11 inside and is used for projects images, and the end face that described display screen 2 is arranged at described casing 11 is used for receiving and showing described projector 3 image projected.
In the present embodiment, described a plurality of display units 2 are arranged as the array that the capable N of M is listed as with same towards mutual next-door neighbour, and splicing can splice the image display screen of any size by this way.And as depicted in figs. 1 and 2, in the present embodiment, described casing 11 can be configured to be suitable for piling up the rectangular parallelepiped or the cube structure of splicing.
In the present embodiment, each display unit 21 all is provided with a projector 3, and image projects on the display screen by projector.But such being provided with usually can only show the 2D image, in order to satisfy the demand that the user browses 3D rendering, as the improvement to the embodiment of the invention one, as shown in Figure 3, is provided with strip light polarizing film 6 between described projector 3 and the described display screen 2.As shown in the figure, described strip light polarizing film 6 includes the striped 61,62 of two kinds of different polarization directions, and the corresponding eyes of each polarisation striped, as the corresponding striped 61 of left eye, and another polarisation striped 62 is with regard to corresponding right eye.Stereo-picture is passing through projector's 3 projections through the staggered back of handling, and by being presented on the screen after the strip light polarizing film 6, at this moment the user can see the stereopsis of 3D by wearing polaroid glasses.
In the present embodiment, described display screen 2 adopts the material of common display screen employing to get final product.But as preferred, can be glass curtain or glass bead screen, the display screen by adopting this material seamless spliced can not exert an influence to the demonstration of 3D image.
A kind of three-dimensional back projection display apparatus that the embodiment of the invention one provides is piled up mutually with the form of casing by a plurality of stereoscopic display unit 2 and is spliced to form bigger stereo display array, and this need take certain space usually.When being used in the place when restricted, the application of the three-dimensional back projection display apparatus of the present invention also can correspondingly be affected.As improvement, as shown in Figure 4, the display unit 21 of three-dimensional back projection display apparatus 2 provided by the invention comprises that also one is arranged at described casing 11 inside and is used for described stereo projector 3 image projected are amplified the catoptron 4 that reflexes on the described display screen.By increase catoptron 4 this modes in described casing 11, the image of launching than stereo projector directly projects on the display screen, greatly conserve space.
Embodiment two
The projector that comprises in the three-dimensional back projection display apparatus that the above embodiment of the present invention provides is a separate unit, both can show the 2D image, also simultaneously can show 3D rendering.In the present embodiment, different with embodiment one is, projector 3 in the described display unit 21 adopts double-movement structure, particularly, as shown in Figure 5, described projector 3 comprises two projector's core print seats 33,34 and is separately positioned on two projector's movements 35,36 on described two projector's core print seats 33,34, is respectively arranged with projection lens 31,32 on described two projector's movements 35,36.Further, can be provided with conventional lens moving apparatus (not shown) between described projection lens 31,32 and the projector's movement 35,36.Utilize described lens moving apparatus, can moving lens and the position of projection movement, projected image is overlapped on display screen, promote the display brightness of 2D image.But this only only limits to the demonstration of 2D image, in the present embodiment, as further improvement, as shown in Figure 5, is provided with removable polaroid 5 between described projection lens 31,32 and the described display screen.Like this, the image that two projection lens 31,32 project arrives display screen 2 again through behind the removable polarized lenses, and the user can appreciate 3D rendering by specialized equipment.
Certainly, the above is a preferred implementation of the present invention, should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (6)
1. a three-dimensional back projection display apparatus is characterized in that, comprises the array of display of being made up of the display unit of the capable N row of M, and wherein M and N are natural number; Described display unit comprises casing, display screen and projector, and described projector is arranged at described box house and is used for projects images, and the end face that described display screen is arranged at described casing is used for receiving and showing described projector image projected.
2. three-dimensional back projection display apparatus as claimed in claim 1 is characterized in that, is provided with the strip light polarizing film between described projector and the described display screen.
3. three-dimensional back projection display apparatus as claimed in claim 1, it is characterized in that, described projector comprises two projector's core print seats and two projector's movements that are separately positioned on described two projector's core print seats, is respectively arranged with projection lens on described two projector's movements.
4. three-dimensional back projection display apparatus as claimed in claim 3 is characterized in that, is provided with removable polaroid between described projection lens and the described display screen.
5. as claim 1 or 3 described three-dimensional back projection display apparatus, it is characterized in that, comprise that also one is arranged at described box house and is used for stereo-picture with the projection of described projector and reflexes to catoptron on the described display screen.
6. as claim 1 or 3 described three-dimensional back projection display apparatus, it is characterized in that described casing is rectangular parallelepiped or the cube structure that is suitable for piling up splicing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102071111A CN102298257A (en) | 2010-06-22 | 2010-06-22 | Stereoscopic rear projection display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102071111A CN102298257A (en) | 2010-06-22 | 2010-06-22 | Stereoscopic rear projection display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102298257A true CN102298257A (en) | 2011-12-28 |
Family
ID=45358773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102071111A Pending CN102298257A (en) | 2010-06-22 | 2010-06-22 | Stereoscopic rear projection display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102298257A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707554A (en) * | 2012-06-05 | 2012-10-03 | 宁波Gqy视讯股份有限公司 | Bare three-dimensional splicing display unit and splicing display device thereof |
| CN102717766A (en) * | 2012-07-12 | 2012-10-10 | 天瀚科技(吴江)有限公司 | Vehicle-mounted information system with functions of video shooting, data interaction, projection display and navigation |
| CN102821297A (en) * | 2012-08-15 | 2012-12-12 | 李涛 | 3D (three-dimension) back projection large-screen all-in-one machine equipment |
| CN102929092A (en) * | 2012-11-19 | 2013-02-13 | 武汉大学 | Grating projection system |
| CN103985317A (en) * | 2014-04-16 | 2014-08-13 | 长春希达电子技术有限公司 | Integrated LED (light-emitting diode) three-dimensional display module and LED display screen formed by splicing integrated LED three-dimensional display modules |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343322A (en) * | 1999-03-15 | 2002-04-03 | 喜维姿联合股份有限公司 | Method and apparatus for steroprojection of pictures |
| CN1432863A (en) * | 2002-01-10 | 2003-07-30 | 侯彩虹 | Stereo image shooting and reproducing method |
| CN1525243A (en) * | 2003-02-06 | 2004-09-01 | 株式会社东芝 | Three dimensional image display device |
| WO2005101821A1 (en) * | 2004-04-19 | 2005-10-27 | Sony Deutschland Gmbh | Projector arrangement |
| CN1971504A (en) * | 2006-12-15 | 2007-05-30 | 浙江大学 | Correcting method for large-scale 3D spliced display wall |
| CN101546044A (en) * | 2008-03-26 | 2009-09-30 | 株式会社东芝 | Stereoscopic image display apparatus |
| CN101568873A (en) * | 2006-12-19 | 2009-10-28 | 皇家飞利浦电子股份有限公司 | Autostereoscopic display device and system using the same |
-
2010
- 2010-06-22 CN CN2010102071111A patent/CN102298257A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343322A (en) * | 1999-03-15 | 2002-04-03 | 喜维姿联合股份有限公司 | Method and apparatus for steroprojection of pictures |
| CN1432863A (en) * | 2002-01-10 | 2003-07-30 | 侯彩虹 | Stereo image shooting and reproducing method |
| CN1525243A (en) * | 2003-02-06 | 2004-09-01 | 株式会社东芝 | Three dimensional image display device |
| WO2005101821A1 (en) * | 2004-04-19 | 2005-10-27 | Sony Deutschland Gmbh | Projector arrangement |
| CN1943230A (en) * | 2004-04-19 | 2007-04-04 | 索尼德国有限责任公司 | Projector arrangement |
| CN1971504A (en) * | 2006-12-15 | 2007-05-30 | 浙江大学 | Correcting method for large-scale 3D spliced display wall |
| CN101568873A (en) * | 2006-12-19 | 2009-10-28 | 皇家飞利浦电子股份有限公司 | Autostereoscopic display device and system using the same |
| CN101546044A (en) * | 2008-03-26 | 2009-09-30 | 株式会社东芝 | Stereoscopic image display apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707554A (en) * | 2012-06-05 | 2012-10-03 | 宁波Gqy视讯股份有限公司 | Bare three-dimensional splicing display unit and splicing display device thereof |
| CN102717766A (en) * | 2012-07-12 | 2012-10-10 | 天瀚科技(吴江)有限公司 | Vehicle-mounted information system with functions of video shooting, data interaction, projection display and navigation |
| CN102821297A (en) * | 2012-08-15 | 2012-12-12 | 李涛 | 3D (three-dimension) back projection large-screen all-in-one machine equipment |
| CN102929092A (en) * | 2012-11-19 | 2013-02-13 | 武汉大学 | Grating projection system |
| CN102929092B (en) * | 2012-11-19 | 2016-03-30 | 武汉大学 | A kind of fringe projection system |
| CN103985317A (en) * | 2014-04-16 | 2014-08-13 | 长春希达电子技术有限公司 | Integrated LED (light-emitting diode) three-dimensional display module and LED display screen formed by splicing integrated LED three-dimensional display modules |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100390607C (en) | Stereoscopic display for switching between 2D/3D images | |
| US8836755B2 (en) | Two dimensional media combiner for creating three dimensional displays | |
| US10609358B2 (en) | Method and apparatus for taking and displaying multi-view orthostereoscopic 3D images | |
| CN102298257A (en) | Stereoscopic rear projection display equipment | |
| WO2012142803A1 (en) | Three-dimensional imaging device and method for advertising display | |
| CN104104939A (en) | Wide viewing angle integrated imaging three-dimensional display system | |
| CN202749067U (en) | 3D (Three-Dimensional) multimedia interaction virtual sandbox | |
| CN102063008A (en) | Multi-viewport free three-dimensional projection system | |
| CN202267819U (en) | Polarizing-type projection display device | |
| CN201909899U (en) | Suspension display system for stereoscopic image | |
| CN104020564A (en) | Foldable head type display device based on mobile equipment and foldable substrate thereof | |
| CN202149995U (en) | Naked-eye 3D screen device | |
| CN203037989U (en) | Multilayer three-dimensional spectra vision system | |
| CN102681191A (en) | Device and system of passive polarized three-dimensional (3D) display | |
| CN105242406A (en) | 3D spectacles | |
| CN203037987U (en) | Multilayer three-dimensional spectra vision system | |
| CN201716520U (en) | Large stereoscopic image imaging device | |
| US20140354785A1 (en) | Method of providing a correct 3d image for a viewer at different watching angles of the viewer | |
| TW201219850A (en) | for real-time displaying different images within one display device without using multiple display devices | |
| CN203801033U (en) | Stereo image display device | |
| CN202258007U (en) | Stereo video display stand | |
| CN202332125U (en) | Active 3D (Three-Dimensional) LED (Light Emitting Diode) display screen | |
| CN202141857U (en) | 3D stereo display screen protection film | |
| JP4481275B2 (en) | 3D video information transmission method | |
| CN205657803U (en) | Multichannel display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111228 |