CN101943849A - Single-projection widescreen projector - Google Patents
Single-projection widescreen projector Download PDFInfo
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- CN101943849A CN101943849A CN 201010269164 CN201010269164A CN101943849A CN 101943849 A CN101943849 A CN 101943849A CN 201010269164 CN201010269164 CN 201010269164 CN 201010269164 A CN201010269164 A CN 201010269164A CN 101943849 A CN101943849 A CN 101943849A
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Abstract
The invention provides a single-projection widescreen projector which comprises an image processing system as well as an optical non-imaging system used for providing a light source, an optical imaging system, a light path switching system and a projecting lens used for magnifying an image and projecting onto a screen, wherein the optical non-imaging system, the optical imaging system, the light path switching system and the projecting lens are sequentially arranged on the light-leading path; the image processing system is respectively connected with the optical imaging system and a light path switching system and takes charge of segmenting the image into N frames of small images and outputting a corner signal meanwhile, and N is a natural number larger than 1; the optical imaging system is used for receiving the N frames of small images and the light of the optical non-imaging system; the light path switching system comprises a reflecting mirror and a rotary motor; and the rotary motor is used for receiving the corner signal so as to control the rotating angle of the reflecting mirror. In the invention, widescreen projection is realized by using a single-projection technology, and the picture display scale exceeds the traditional level, thereby real large-screen and wide-view projection is realized.
Description
[technical field]
The present invention relates to a kind of widescreen shadow casting technique, especially relate to a kind of single-throw shadow widescreen shadow casting technique.
[background technology]
In recent years, each field every profession and trade is all paid much attention to informatization, and the visual demand of information is also sharply enlarged, and the demand of maximization, high-definition, high-resolution seamless anastomosing and splicing display system is grown with each passing day.Existing widescreen shadow casting technique has two kinds, the projection of the many throwings of a kind of employing widescreen, and a kind of is the projection of single-throw widescreen.The projection of many throwing widescreens generally is made of a plurality of projecting cells, and each projecting cell all comprises lamp optical system, video display board and projection optics system.Behind the image mosaic that each projecting cell projects, tangible seam situation is arranged between each screen, although technology has made seam do smallerly at present, but still spliced whole picture effect there is certain influence, its image of existing single-throw shadow widescreen projection shows the screen aspect ratio that sticks to 4: 3 or 16: 9 or 16: 10, the image displaying ratio is less, can not satisfy the demand of modern to giant-screen, the wide visual field.All there is the cost height in two types widescreen projector, and volume is big, weak point such as is not easy to carry.
[summary of the invention]
The technical problem to be solved in the present invention is to provide single-throw shadow widescreen projection arrangement, and it can realize giant-screen truly, the projection in the wide visual field.
The present invention is achieved in that
Single-throw shadow widescreen projection arrangement of the present invention, it comprises: an image processing system and project projecting lens on the screen after a non-imaging system of optics that light source is provided that sets gradually on the optical direction, an optical imaging system, a light path switched system, amplify image;
Described image processing system is connected with the light path switched system with optical imaging system respectively, be responsible for segmenting the image into the little image of N frame and pass to optical imaging system, N is the natural number greater than 1, and the angular signal of the little image of corresponding described each frame of output is given the light path switched system simultaneously;
Described optical imaging system is used to receive the light of little image of N frame and the non-imaging system of optics, and after the light of the non-imaging system of optics modulated, shows the little image of N frame;
Described light path switched system comprises a slice reflective mirror, and described reflective mirror is installed an electric rotating machine, and described angular signal drives reflective mirror by the control electric rotating machine and rotates, the little image projection of each frame to screen.
Further, the non-imaging system of described optics comprises light source, the reshaper that sets gradually, collimating apparatus.
Further, described optical imaging system is included in the polarizer that sets gradually on the optical direction, prism, image display device and analyzer.
Further, also be provided with lineal surely system between described optical imaging system and the light path switched system, described colimated light system is made up of at least one collimation lens.
Further, described image processing system further comprises connection successively:
One conversion IC is responsible for the picture signal of distinct interface is converted to rgb pixel digital signal, synchronizing signal and control signal;
One control IC is responsible for the rgb pixel digital signal of conversion IC output is divided into the little image of N frame, N be one greater than 1 natural number, and to the little image scanning of each frame, be transported to the image display device of described optical imaging system then, in the time of scanning, the angular signal that output is corresponding.
Further, the angular signal of the little image correspondence of described each frame further comprises:
The angular signal of the little image of first frame drives reflective mirror by the control electric rotating machine and rotates, make reflective mirror and optical axis included angle satisfy the angle of the little image projection of first frame, the angular signal of the little image of second frame drives reflective mirror by the control electric rotating machine again and rotates, make the front of reflective mirror and the angle that optical axis forward angle satisfies the little image projection of second frame, and the like, the little image projection of each frame is arrived screen.
Further, described control IC realizes the scanning to the little image of each frame by control RGB, HS, VS, DE, DCLK.
The present invention has following advantage:
1. the present invention uses single-throw shadow casting technique, by being image segmentation the little image of N frame, be sent to an image display device then, in conjunction with angular signal reflective mirror in the light path switching is controlled, the picture displaying ratio surpasses existing level, realize giant-screen truly, the projection in the wide visual field, solved existing widescreen shadow casting technique and had deficiencies such as the less and poor visual effect of image displaying ratio;
2. the present invention reduces cost of products greatly, dwindles small product size, realizes the widescreen projection of minitype projection machine, has solved widescreen projector cost height, volume is big, is unfavorable for the problems such as extensive promotion and application of widescreen projector;
3. the control IC of the present invention's use uses one group of rgb signal transport module, cooperate one group of signal, just can realize the widescreen projection, The whole control IC circuit design is simple, and control IC type selecting scope is wide, has solved existing control IC and has comprised many group rgb signal transport modules, control IC complex circuit designs, the control IC of type selecting limitation high-performance high integration is unfavorable for the reduction of cost of products, and the problems such as popularization of product.
[description of drawings]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the angular signal synoptic diagram of Fig. 1 embodiment.
[embodiment]
Consult Fig. 1 and Fig. 2.
As Fig. 1, be the structural representation of one embodiment of the invention.The embodiment of the invention comprises: an image processing system 1 and a projecting lens 6 that projects after providing the non-imaging system of the optics of light source 2, an optical imaging system 3, a light path switched system 5, that image is amplified on the screen that is setting gradually on the optical direction; Also be provided with lineal surely system 4 between described optical imaging system 3 and the light path switched system 5.
Described image processing system 1 is connected with light path switched system 5 with optical imaging system 3 respectively, and described image processing system 1 specifically comprises, a conversion IC 11, one control IC12.After picture signal entered, conversion IC 11 was converted to rgb pixel digital signal, synchronizing signal and control signal to the picture signal of distinct interface.Control input according to the user then, control IC12 carries out the branch frame to view data to be handled, and is divided into the little image of N frame, and N is a natural number and greater than 1.Realize the scanning to the little image of each frame by control RGB, HS, VS, DE, DCLK then, in the time of scanning, the angular signal 13 of the little image of respectively corresponding each frame of output is given the light path switched system.After scanning was finished, described control IC12 passed to optical imaging system 3 to the little image of N frame.
The non-imaging system 2 of described optics specifically comprises: a light source 21, and described light source 21 is conventional bulb or led or laser etc.; One reshaper 22 and a collimating apparatus 23, the light that described light source 21 is provided carries out shaping and collimation respectively.
Described optical imaging system 3, be used to receive the light of little image of N frame and the non-imaging system 2 of optics, it specifically comprises, an image display device 31, described image display device 31 are DMD (digital micro-mirror demonstration) plate or LCOS (liquid crystal over silicon) plate or DLP (digit optical processing) plate or LCD etc.; One prism 32; One polarizer 33; One analyzer 34.When the light of the non-imaging system 2 of described optics enters optical imaging system 3, pass through the polarizer 33 successively, obtain polarized light, pass through the reflection of prism 32 then, reflex to image display device 31, after the little image of N frame after the described scanning is transferred to image display device 31, through analyzer 34 outputs.
Described colimated light system 4 is made up of two collimation lenses, is directional light when making the beam projecting that is entered by optical imaging system 3, and energy is concentrated in a predetermined direction, and described light transmission is to light path switched system 5.
Described light path switched system 5 comprises a slice reflective mirror 51, and an electric rotating machine 52 is installed on the described reflective mirror 51.In conjunction with shown in Figure 2, described light path switched system further comprises, the angular signal of the little image of first frame
Drive reflective mirrors 51 by control electric rotating machine 52 and rotate, make reflective mirror and optical axis included angle satisfy the angle of the little image projection of first frame, the little image projection of first frame is arrived screen p
1The position, the angular signal of the little image of second frame
Drive reflective mirrors 51 by control electric rotating machine 52 again and rotate, the front that makes reflective mirror and optical axis forward angle satisfy the angle of the little image projection of second frame, and the little image projection of second frame is arrived screen p
2The position, and the like, the little image projection of each frame to screen.
Described projecting lens 6 is responsible for and will be projected on the screen after the image amplification, and reflected image need use the multi-disc lens to proofread and correct at off-axis position, coma, astigmatism and distortion.
Based on the embodiment among the present invention, those of ordinary skills are under the prerequisite of not making performing creative labour, and the every other embodiment that is obtained belongs to the scope of protection of the invention.
Claims (7)
1. single-throw shadow widescreen projection arrangement is characterized in that: an image processing system and a projecting lens that projects after providing the non-imaging system of optics, an optical imaging system, a light path switched system, of light source that image is amplified on the screen that is setting gradually on the optical direction are provided for it;
Described image processing system is connected with the light path switched system with optical imaging system respectively, be responsible for segmenting the image into the little image of N frame and pass to optical imaging system, N is the natural number greater than 1, and the angular signal of the little image of corresponding described each frame of output is given the light path switched system simultaneously;
Described optical imaging system is used to receive the light of little image of N frame and the non-imaging system of optics, and after the light of the non-imaging system of optics modulated, shows the little image of N frame;
Described light path switched system comprises a slice reflective mirror, and described reflective mirror is installed an electric rotating machine, and described angular signal drives reflective mirror by the control electric rotating machine and rotates, the little image projection of each frame to screen.
2. single-throw shadow widescreen projection arrangement according to claim 1, it is characterized in that: the non-imaging system of described optics comprises light source, the reshaper that sets gradually, collimating apparatus.
3. single-throw shadow widescreen projection arrangement according to claim 1, it is characterized in that: described optical imaging system is included in the polarizer that sets gradually on the optical direction, prism, image display device and analyzer.
4. single-throw shadow widescreen projection arrangement according to claim 1 is characterized in that: also be provided with lineal surely system between described optical imaging system and the light path switched system, described colimated light system is made up of at least one collimation lens.
5. single-throw shadow widescreen projection arrangement according to claim 1 is characterized in that: described image processing system further comprises successively and to connect:
One conversion IC is responsible for the picture signal of distinct interface is converted to rgb pixel digital signal, synchronizing signal and control signal;
One control IC is responsible for the rgb pixel digital signal of conversion IC output is divided into the little image of N frame, N be one greater than 1 natural number, and to the little image scanning of each frame, be transported to the image display device of described optical imaging system then, in the time of scanning, the angular signal that output is corresponding.
6. single-throw shadow widescreen projection arrangement according to claim 1 or 5, it is characterized in that: the angular signal of the little image correspondence of described each frame further comprises:
The angular signal of the little image of first frame drives reflective mirror by the control electric rotating machine and rotates, make reflective mirror and optical axis included angle satisfy the angle of the little image projection of first frame, the angular signal of the little image of second frame drives reflective mirror by the control electric rotating machine again and rotates, make the front of reflective mirror and the angle that optical axis forward angle satisfies the little image projection of second frame, and the like, the little image projection of each frame is arrived screen.
7. single-throw shadow widescreen projection arrangement according to claim 5 is characterized in that: described control IC realizes the scanning to the little image of each frame by control RGB, HS, VS, DE, DCLK.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010269164 CN101943849A (en) | 2010-08-31 | 2010-08-31 | Single-projection widescreen projector |
| PCT/CN2011/070423 WO2012027974A1 (en) | 2010-08-31 | 2011-01-20 | Single projection wide-screen projection device and method |
| US13/255,790 US20130147865A1 (en) | 2010-08-31 | 2011-01-20 | Single-projection widescreen projecting device and single-projection widescreen projecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010269164 CN101943849A (en) | 2010-08-31 | 2010-08-31 | Single-projection widescreen projector |
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| Publication Number | Publication Date |
|---|---|
| CN101943849A true CN101943849A (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010269164 Pending CN101943849A (en) | 2010-08-31 | 2010-08-31 | Single-projection widescreen projector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012027974A1 (en) * | 2010-08-31 | 2012-03-08 | 福建网讯科技有限公司 | Single projection wide-screen projection device and method |
| CN104469223A (en) * | 2014-12-02 | 2015-03-25 | 苏州佳世达光电有限公司 | Projection device and projection image splicing method |
| CN108810310A (en) * | 2018-03-15 | 2018-11-13 | 成都理想境界科技有限公司 | A kind of scan imaging method and scanned imagery device |
| CN112636647A (en) * | 2020-12-29 | 2021-04-09 | 视田科技（天津）有限公司 | Motor accurate control method and device for expanding projection movement range |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854802A (en) * | 1972-08-02 | 1974-12-17 | M Gazale | Image recording and projection method and apparatus |
| JP2004279847A (en) * | 2003-03-17 | 2004-10-07 | Ricoh Co Ltd | Projector |
| CN101943848A (en) * | 2010-08-31 | 2011-01-12 | 福建网讯科技有限公司 | Single-projection wide-screen projection device |
| CN101943847A (en) * | 2010-08-31 | 2011-01-12 | 福建网讯科技有限公司 | Wide screen projection method by utilizing single projection |
| CN201765426U (en) * | 2010-08-31 | 2011-03-16 | 福建网讯科技有限公司 | Single projection wide screen projection arrangement |
-
2010
- 2010-08-31 CN CN 201010269164 patent/CN101943849A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854802A (en) * | 1972-08-02 | 1974-12-17 | M Gazale | Image recording and projection method and apparatus |
| JP2004279847A (en) * | 2003-03-17 | 2004-10-07 | Ricoh Co Ltd | Projector |
| CN101943848A (en) * | 2010-08-31 | 2011-01-12 | 福建网讯科技有限公司 | Single-projection wide-screen projection device |
| CN101943847A (en) * | 2010-08-31 | 2011-01-12 | 福建网讯科技有限公司 | Wide screen projection method by utilizing single projection |
| CN201765426U (en) * | 2010-08-31 | 2011-03-16 | 福建网讯科技有限公司 | Single projection wide screen projection arrangement |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012027974A1 (en) * | 2010-08-31 | 2012-03-08 | 福建网讯科技有限公司 | Single projection wide-screen projection device and method |
| CN104469223A (en) * | 2014-12-02 | 2015-03-25 | 苏州佳世达光电有限公司 | Projection device and projection image splicing method |
| CN108810310A (en) * | 2018-03-15 | 2018-11-13 | 成都理想境界科技有限公司 | A kind of scan imaging method and scanned imagery device |
| CN112636647A (en) * | 2020-12-29 | 2021-04-09 | 视田科技（天津）有限公司 | Motor accurate control method and device for expanding projection movement range |
| CN112636647B (en) * | 2020-12-29 | 2024-01-09 | 视田科技（天津）有限公司 | Motor accurate control method and device for enlarging projection movement range |
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