CN102213912A - Stand-alone double-lens three-dimensional (3D) projector - Google Patents
Stand-alone double-lens three-dimensional (3D) projector Download PDFInfo
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- CN102213912A CN102213912A CN2011101440058A CN201110144005A CN102213912A CN 102213912 A CN102213912 A CN 102213912A CN 2011101440058 A CN2011101440058 A CN 2011101440058A CN 201110144005 A CN201110144005 A CN 201110144005A CN 102213912 A CN102213912 A CN 102213912A
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Abstract
The invention discloses a stand-alone double-lens three-dimensional (3D) projector. The stand-alone double-lens 3D projector comprises an image processor and is characterized by further comprising a double-path projection system, wherein the image processor comprises a storage chip, a high-order digital code stream arithmetic device and an image distributor; the double-path projection system comprises an integrated chassis, and two singlechip liquid crystal display (LCD) projection systems and a common power supply which are vertically fixed in the integrated chassis in the same direction; two output ends of the image distributor are connected with the signal input ends of a first singlechip LCD projection system and a second singlechip LCD projection system which are fixed in the integrated chassis; and the installation directions of LCDs arranged in the first singlechip LCD projection system and the second singlechip LCD projection system are opposite. The stand-alone double-lens 3D projector has the advantages that: the two singlechip LCD projection systems are fixed in the integrated chassis according to preset positions to form the stand-alone double-lens 3D projector, so the equipment purchase cost and the maintenance cost in the later stage can be reduced and the using method also can be simplified.
Description
Technical field
The present invention relates to a kind of projector, particularly a kind of unit twin-lens 3D projector.
Background technology
Along with development of science and technology, shadow casting technique is constantly progressive, and projector has been widely used in fields such as business office, teaching and home theater, and the trend that replaces traditional video playback apparatus is arranged.
Present projector is progressively developed to 3D by 2D, difference according to projection theory, existing projector mainly contains following three kinds of principles, and first kind is color solid tripleplane technology, and the principle of this technology is fairly simple, pass through physics principle, to use the optical filter of different colours to carry out image and filter, make a picture can produce two width of cloth images, modal optical filter color is normally red/indigo plant, red/green, perhaps red/green grass or young crops; Because only be to carry out image from the physics angle to filter, the edge of image part can obviously be found out the color-separated phenomenon, the poor effect of image quality is mainly used in cheaper 3D at present and shows in the toy market of having faded out gradually; Second kind is polarized light shadow casting technique, its principle is that the 3D signal is outputed in two identical projectors of performance parameter simultaneously, carry out optical filtering on level and the vertical direction by the polaroid that is installed at projector lens the place ahead, wherein projector can only be with the image projection of horizontal direction to the projecting plane, and an other projector can only be with the image projection of vertical direction to the projecting plane, and the image of horizontal direction and the image of vertical direction overlap on the projecting plane.Watch image on level and the vertical direction by polaroid glasses respectively from right and left eyes again, the image of both direction can form stereo-picture in human brain, realize 3D effect, but this projector is in installation and use, the relative position of two projectors will carry out adjustment through the professional, and can not move in the use, simultaneously, in order to produce horizontal polarization and vertical polarization image, need install the polaroid of different polarization direction in two projector lens the place aheads separately additional, the brightness of two projectors together with the time descend 50%, whole structure can obviously reduce.Projector generally uses the projector of three-chip type LCD projector or DLP technology in addition, and preceding current cost is higher, and the later maintenance expense is also high; The third projecting method is initiatively fast gate technique; the realization of initiatively fast gate technique needs three factors; at first the refresh rate of projected image need reach per second 120 frames; secondly need an Infrared Projector; be exactly to need the 3D anaglyph spectacles that can receive infrared signal in addition; when the 3D signal is input in the projector by computer (perhaps other equipment); image realizes that with the form of frame sequence left-right frames alternately produces; by infrared transmitter these frame signals are transferred out; the 3D glasses of being responsible for receiving carry out synchronous alternation switch with the left-right frames image when realizing signal Synchronization; thereby watch stereopsis; general 3D anaglyph spectacles all adopts liquid crystal glasses; in use need the power supply power supply; cost is higher; and the eyeglass of left eye and right eye is alternately opened when watching the 3D image; and the switching of liquid crystal glasses needs the certain reaction time; so can produce flickering; human eye is watched for a long time and can be produced fatigue; in order to protect human eye health; the existing 3D film that adopts initiatively fast gate technique to take is every to be spent half an hour and will insert one section 2D image; to alleviate people's kopiopia; this tripleplane method can't be avoided flicker because of it; in order to protect human eye health; the popular projector that still adopts polarized light shadow casting technique on the existing market; so; research and develop and a kind ofly in use need not the professional and carry out adjustment; need not to carry out later maintenance, and the projector of lower-cost employing polarized-light technique is this area urgent problem.
Summary of the invention
Technical matters to be solved by this invention provides a kind of unit twin-lens 3D projector, can reduce cost on the one hand, and on the one hand, it in use also need not the professional and technical personnel and carries out adjustment in addition, simplifies using method.
Basic design of the present invention is to realize like this, two cover Monolithic LC D optical projection systems vertically are set in a cabinet constitute the two-way optical projection system, wherein the installation direction of the LCD in the first Monolithic LC D optical projection system and the second Monolithic LC D optical projection system is opposite, also with regard to the LCD normal mounting in the first Monolithic LC D optical projection system, LCD in the second Monolithic LC D optical projection system oppositely installs, by the LCD image-forming principle as can be known, its inside is provided with two orthogonal polaroids of direction, when the LCD installation direction is opposite, two polaroids order from inside to outside of its inside also is opposite, the direction of the polaroid of the outside side of LCD is vertical mutually, thereby makes the image that projects be respectively horizontal direction and vertical direction; Built-in (or external) cover 3D rendering processor, image processor processes the image into the image of horizontal direction and the picture signal of vertical direction, the image of horizontal direction and vertical direction is input to respectively in the corresponding first Monolithic LC D optical projection system and the second Monolithic LC D optical projection system, overlapping being incident upon on the projection surface of projection of two cover Monolithic LC D optical projection systems, when human eye is worn polaroid glasses and is watched, the polarization direction of the polarising glass eyeglass that the polarization image that two cover Monolithic LC D optical projection systems project is worn with human eye respectively is corresponding, two images just can form three-dimensional image, i.e. 3D image in human brain; The invention solves in traditional polarization 3D scheme owing to need two positions of projector on fixed support of professional's adjustment, thereby guarantee that two institute of projector image projected are overlapping on the projecting plane, and can not move in the use, use drawbacks such as inconvenience.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of unit twin-lens 3D projector, comprise image processor, and described image processor comprises storage chip, seniority code stream arithmetical unit and image splitter; Its key improvements is: also comprise the two-way optical projection system; Described two-way optical projection system comprises integral type cabinet and equidirectional two cover Monolithic LC D optical projection system and the common sources that are vertically fixed in the integral type cabinet; Two output terminals of described image splitter respectively be fixedly arranged on the integral type cabinet in the first Monolithic LC D optical projection system be connected with the second Monolithic LC D optical projection system signal input part; The installation direction of two LCD of the described first Monolithic LC D optical projection system and second its inside of Monolithic LC D optical projection system is opposite.
Adopt the beneficial effect that technique scheme produced to be: the present invention is from simplifying optical projection system and simplifying two aspects of using method and set about solving the existing problem of existing projector, use two Monolithic LC D optical projection systems to be fixed in the integral type cabinet in the present invention, and two shared power supplys of Monolithic LC D optical projection system, form a unit twin-lens 3D projector, Monolithic LC D optical projection system can reduce equipment purchase cost and later maintenance expense greatly, and because two cover Monolithic LC D optical projection systems all have been fixed in the same cabinet, its relative position has carried out accurate adjustment when dispatching from the factory, only need peg graft during use data line and power lead and do simple adjustment and can conveniently use, domestic consumer all can settle a dispute by the parties concerned themselves, and has simplified using method greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
In the accompanying drawings: 1, image processor; 2, two-way optical projection system; 2-1, the first Monolithic LC D optical projection system; 2-2, common source; 2-3, the second Monolithic LC D optical projection system; 2-4, integral type cabinet; 3, projected image.
Further the present invention is described in detail below in conjunction with accompanying drawing.
Embodiment
A kind of unit twin-lens 3D projector as shown in Figure 1 comprises image processor 1, and described image processor 1 comprises storage chip, seniority code stream arithmetical unit and image splitter; It is characterized in that: also comprise two-way optical projection system 2; Described two-way optical projection system 2 comprises integral type cabinet 2-4 and equidirectional two cover Monolithic LC D optical projection system and the common source 2-2 that are vertically fixed in the integral type cabinet; Two output terminals of described image splitter respectively be fixedly arranged on integral type cabinet 2-4 in the first Monolithic LC D optical projection system 2-1 be connected with the second Monolithic LC D optical projection system 2-3 signal input part; The installation direction of the LCD of the described first Monolithic LC D optical projection system 2-1 and the second Monolithic LC D optical projection system 2-3 inside is opposite; The image processor principle of using in the principle of image processor and the existing two-shipper double lens type 3D projector is identical, and it can not only carry out digitized processing to image, picture breakdown can also be become the image of horizontal direction and vertical direction; And the LCD in the Monolithic LC D optical projection system can need not to set up polaroid to exporting behind the horizontal direction of input or the image filtering of vertical direction before projector lens, reduces equipment cost; Because in use the image of the image of two Monolithic LC D optical projection systems horizontal direction of being throwed and vertical direction will overlap on the projecting plane, two Monolithic LC D optical projection systems are fixedly mounted in the integral type cabinet according to predetermined relative positions, need not to carry out adjustment when installation and use, simplify using method through the professional and technical personnel.
In concrete use, two Monolithic LC D optical projection systems are up and down arranges, and both are parallel to each other and are fixed in the integral type cabinet, the installation direction of LCD in the first Monolithic LC D optical projection system and the second Monolithic LC D optical projection system is opposite, divider in the image processor is imported the first Monolithic LC D optical projection system with horizontal image, vertical image is imported the second Monolithic LC D optical projection system, because the installation direction of the LCD in the two cover Monolithic LC D optical projection systems is opposite, i.e. LCD normal mounting in the first Monolithic LC D optical projection system, after turning over turnback, installs LCD in the second Monolithic LC D optical projection system, the direction of the polaroid outside two LCD are positioned at is vertical mutually, thereby two Monolithic LC D optical projection systems project horizontal image and vertical image respectively, when human eye is worn polaroid glasses and is watched projected image 3, the image of horizontal direction imports eye into by the identical polaroid of direction on the polaroid glasses respectively with the image of vertical direction, two eyes are seen the image of different directions respectively, and then in human brain, overlap to form 3D rendering, the mode that shows by two dimension realizes 3D effect, not only can reduce cost, can also simplify the using method of 3D projector, be convenient to the popular popularization of 3D projector.
Claims (1)
1. a unit twin-lens 3D projector comprises image processor (1), and described image processor (1) comprises storage chip, seniority code stream arithmetical unit and image splitter; It is characterized in that: also comprise two-way optical projection system (2); Described two-way optical projection system (2) comprises integral type cabinet (2-4) and equidirectional two cover Monolithic LC D optical projection system and the common sources (2-2) that are vertically fixed in the integral type cabinet; First interior with being fixedly arranged on integral type cabinet (2-4) the respectively Monolithic LC D optical projection system (2-1) of two output terminals of described image splitter is connected with second Monolithic LC D optical projection system (2-3) signal input part; The installation direction of the inner LCD that is provided with of the described first Monolithic LC D optical projection system (2-1) and the second Monolithic LC D optical projection system (2-3) is opposite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101440058A CN102213912A (en) | 2011-05-31 | 2011-05-31 | Stand-alone double-lens three-dimensional (3D) projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101440058A CN102213912A (en) | 2011-05-31 | 2011-05-31 | Stand-alone double-lens three-dimensional (3D) projector |
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| CN102213912A true CN102213912A (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101440058A Pending CN102213912A (en) | 2011-05-31 | 2011-05-31 | Stand-alone double-lens three-dimensional (3D) projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243945A (en) * | 2014-09-19 | 2014-12-24 | 西安中科晶像光电科技有限公司 | Single-machine dual-lens 3D projection machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05103350A (en) * | 1991-10-03 | 1993-04-23 | Sanyo Electric Co Ltd | Liquid crystal three-dimensional projector |
| CN101162296A (en) * | 2007-09-24 | 2008-04-16 | 昂纳明达数字显示技术（深圳）有限公司 | Polarization light splitter and LCOS LCD stereo projection system using the same |
| CN201556017U (en) * | 2009-10-29 | 2010-08-18 | 天津三星电子有限公司 | Double-lens projector |
| CN201590016U (en) * | 2010-03-25 | 2010-09-22 | 山东超越数控电子有限公司 | Portable parallel dual-system computer |
| CN202075546U (en) * | 2011-05-31 | 2011-12-14 | 石家庄亚视创业科技有限公司 | Single-body double-lens 3D (three-dimensional) projector |
-
2011
- 2011-05-31 CN CN2011101440058A patent/CN102213912A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05103350A (en) * | 1991-10-03 | 1993-04-23 | Sanyo Electric Co Ltd | Liquid crystal three-dimensional projector |
| CN101162296A (en) * | 2007-09-24 | 2008-04-16 | 昂纳明达数字显示技术（深圳）有限公司 | Polarization light splitter and LCOS LCD stereo projection system using the same |
| CN201556017U (en) * | 2009-10-29 | 2010-08-18 | 天津三星电子有限公司 | Double-lens projector |
| CN201590016U (en) * | 2010-03-25 | 2010-09-22 | 山东超越数控电子有限公司 | Portable parallel dual-system computer |
| CN202075546U (en) * | 2011-05-31 | 2011-12-14 | 石家庄亚视创业科技有限公司 | Single-body double-lens 3D (three-dimensional) projector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243945A (en) * | 2014-09-19 | 2014-12-24 | 西安中科晶像光电科技有限公司 | Single-machine dual-lens 3D projection machine |
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Application publication date: 20111012 |