CN1503024A - Optical-machine mechanism for digital projector - Google Patents
Optical-machine mechanism for digital projector Download PDFInfo
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- CN1503024A CN1503024A CNA021453799A CN02145379A CN1503024A CN 1503024 A CN1503024 A CN 1503024A CN A021453799 A CNA021453799 A CN A021453799A CN 02145379 A CN02145379 A CN 02145379A CN 1503024 A CN1503024 A CN 1503024A
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Abstract
This invention discloses a digital projecting camera optical structure including: a high effective gold halogen lamp, an optical homogenizer, color separation component a magnifier, polarization light splitting prism, silicon based microcrystal imaging chip, an imaging object glass and the said lamp, homogenizer, color separation component are sequently arrayed on x-line, the magnifier, prism are set below the color separation component arranged along Y-line, the object is at its left arranged on X-line, characterizing that the color separation part includes a rotor wheal and a reflection mirror tilting 45deg. inside the wheel.
Description
Technical field
The present invention relates to digital-code projector optical-mechanical mechanism.
Background technology
The disclosed optical-mechanical mechanism that utilizes monolithic silicon based crystallite imager chip in PHILIPS Co. website, see also Fig. 1, its principle of work is as follows: light source 11 is injected by compound eye mirror 12, via first spectroscope 131 light is divided into ruddiness and blue or green light two-way, reflection to red light to the first condenser 132, first reflective mirror 133, first rotating prism 134, first field lens 135 see through second spectroscope 136, second condenser 137, reflect light-dividing device via the 3rd spectroscope 138 at last; Blue or green light is divided into green, blue two-way light through the 3rd condenser 141, the 4th spectroscope 142: green glow reflexes to second rotating prism 143 through the 4th spectroscope 142, through second field lens 144, second spectroscope, 135 reflecting ﹠ transmittings, second condenser 136, reflect light-dividing device via the 3rd spectroscope 137 at last again; Blue streak sees through the 4th spectroscope 142 and enters the 3rd rotating prism 151, sees through the 3rd field lens 152 and enters the 4th condenser 154 through 153 reflections of the 3rd reflective mirror, sees through the 3rd spectroscope 138 at last and penetrates light-dividing device; Red, green, blue three road light reflex to silicon-based microcrystal imager chip 182 planes through the 5th condenser 16, polariscope 17 with polarization splitting prism 181, form red, green, blue three light belts.
Along with the rotation of three rotating prisms, three light belts are by silicon-based microcrystal imager chip 182 planes cycle alternation constantly from top to bottom, and the image that silicon-based microcrystal imager chip 182 forms also constantly changes along with the variation of light belt.Last silicon-based microcrystal imager chip 182 forms image and sees through polarization splitting prism 181, is projected to screen by image-forming objective lens 19.
Can see that by Fig. 1 the optics that its light-dividing device adopts is numerous, thereby the structure that forms is very complicated; Owing to adopted multiple optical device, light energy losses is big; Three rotating prism adjustment synchronously are very complicated, and its manufacturability is relatively poor; From economic angle, the cost height of numerous optical device is unfavorable for producing in batches.
Summary of the invention
A kind of digital-code projector optical-mechanical mechanism that provides in order to overcome the shortcoming that has digital-code projector optical-mechanical mechanism now is provided, this digital-code projector optical-mechanical mechanism has been simplified the structure of ray machine, reduced the components and parts cost, improve luminous energy and manufacturability, and made digital-code projector optical-mechanical mechanism more help volume production.
The object of the present invention is achieved like this: digital-code projector optical-mechanical mechanism, comprise: high light efficiency Metal halogen lamp, Optical homogenizer, color separation parts, magnifier, polarization splitting prism, silicon-based microcrystal imager chip, image-forming objective lens, described high light efficiency Metal halogen lamp, Optical homogenizer, color separation parts series arrangement on transversal line; Described magnifier, polarization splitting prism are located at color separation parts below, and press the longitudinal axis series arrangement; Described silicon-based microcrystal imager chip is located at the right side of polarization splitting prism, and image-forming objective lens is located at the left side of polarization splitting prism, series arrangement on a transversal line; Be characterized in: described color separation parts comprise color separation runner and reflective mirror, and described reflective mirror inclination 45 degree are located at color separation runner inside;
The light source that high light efficiency Metal halogen lamp projects is through Optical homogenizer, light is evenly distributed in the exit of Optical homogenizer, three coloured light lines see through the color separation runner and enter reflective mirror, reflective mirror with three coloured light line reflections to magnifier, pass through the polarization splitting prism amplification imaging again to silicon-based microcrystal imager chip plane, form red, green, blue three light belts; Silicon-based microcrystal imager chip image sees through PBS (polarization splitting prism), is projected to screen by image-forming objective lens.
Above-mentioned digital-code projector optical-mechanical mechanism, wherein: distributing equably red spectro-film, green spectro-film, blue spectro-film and do not have the film district of order on the described color separation runner circumference.
Above-mentioned digital-code projector optical-mechanical mechanism, wherein: red spectro-film, green spectro-film, blue spectro-film are in proper order equably distributing on the described color separation runner circumference.
Above-mentioned digital-code projector optical-mechanical mechanism, wherein: described Optical homogenizer is rectangular, and its front portion is provided with reflecting plate.
Above-mentioned digital-code projector optical-mechanical mechanism, wherein: described Optical homogenizer is toroidal, and its front portion does not have reflecting plate.
Because the present invention has adopted above-mentioned structure, removed the optic structure of color separation parts complexity in the former optical-mechanical mechanism, only the color separation parts that constitute with color separation runner and reflective mirror substitute, and make entire mechanism simplify greatly, increase luminous energy effectively, more make assembly process process improve.And, very big advantage is arranged also on financial cost because its optical-mechanical mechanism is simple.
Description of drawings
Concrete structure of the present invention is further provided by following embodiment and accompanying drawing.
Fig. 1 is the digital-code projector optical-mechanical mechanism synoptic diagram of prior art.
Fig. 2 is the structural representation of a kind of embodiment of digital-code projector optical-mechanical mechanism of the present invention.
Fig. 3 is the side view of color separation runner in the digital-code projector optical-mechanical mechanism of the present invention.
Fig. 4 is the front view of color separation runner embodiment one in the digital-code projector optical-mechanical mechanism of the present invention.
Fig. 5 is the front view of color separation runner embodiment two in the digital-code projector optical-mechanical mechanism of the present invention.
Fig. 6 is the structural representation of the another kind of embodiment of digital-code projector optical-mechanical mechanism of the present invention.
Embodiment
See also Fig. 2, digital-code projector optical-mechanical mechanism of the present invention comprises: high light efficiency Metal halogen lamp 21, Optical homogenizer 22, color separation parts 23, magnifier 24, polarization splitting prism 25, silicon-based microcrystal imager chip 26, image-forming objective lens 27.Optical homogenizer have two kinds a kind of rectangular, its front portion is provided with reflecting plate; Another kind of Optical homogenizer is toroidal, and its front portion does not have reflecting plate.Color separation parts 23 comprise color separation runner 231 and reflective mirror 232, and reflective mirror 232 inclinations 45 degree are located at color separation runner 231 inside.High light efficiency Metal halogen lamp 21, Optical homogenizer 22, color separation parts 23 series arrangement on transversal line; Magnifier 24, polarization splitting prism 25 orders are located at reflective mirror 232 belows of color separation parts, and are the longitudinal axis series arrangement with reflective mirror; Silicon-based microcrystal imager chip 26 is located at the right side of polarization splitting prism 25, and image-forming objective lens 27 is located at the left side of polarization splitting prism 25, and it is series arrangement on a transversal line.
The light source that high light efficiency Metal halogen lamp 22 projects is through Optical homogenizer 23, light is evenly distributed in the exit of Optical homogenizer 23, three coloured light lines see through the color separation runner and enter reflective mirror 232, reflective mirror 232 with three coloured light line reflections to magnifier 24, pass through polarization splitting prism 25 amplification imagings again to silicon-based microcrystal imager chip 26 planes, form red, green, blue three light belts; Silicon-based microcrystal imager chip 26 images see through PBS, are projected to screen 28 by image-forming objective lens 27.
See also Fig. 3, Fig. 4.The order polycomponent light film 231a that distributing equably on the color separation runner excircle of digital-code projector optical-mechanical mechanism of the present invention, every group of spectro-film is for red spectro-film 231a1, the green spectro-film 231a2, the blue spectro-film 231a3 that arrange according to the order of sequence and do not have film district 231a4.
See also Fig. 5.The order polycomponent light film 231b that distributing equably on the color separation runner excircle of digital-code projector optical-mechanical mechanism of the present invention, every group of spectro-film be red spectro-film 231b1, green spectro-film 231b2 and the blue spectro-film 231b3 of arrangement according to the order of sequence.
Further set forth principle of work of the present invention below in conjunction with two embodiment:
High light efficiency Metal halogen lamp 21 rearmounted reflectors 211, utilize this reflector 211, the light source that projects is through Optical homogenizer 22, light is evenly distributed in the exit of Optical homogenizer 22, ruddiness enters reflective mirror 232 through the red spectro-film 231b1 of color separation runner 23 in the three beams light, and green glow, blue streak are subjected to the reflected light homogenizer 22 of red spectro-film 231b1; Optical homogenizer 22 reflexes to color separation runner 23 once more with green glow, the blue streak of reflection, and the green spectro-film 231b2 that green glow sees through color separation runner 23 enters reflective mirror 232, and the reflection that blue streak is subjected to green spectro-film 231b2 is reflected light homogenizer 22 once more; Optical homogenizer 22 reflexes to the color separation runner for the third time with the blue streak of reflection, and the blue spectro-film 231b3 that blue streak sees through color separation runner 23 enters reflective mirror 232; Because color separation runner 23 gyrates, three beams light has only the corresponding spectro-film of seeing through just can enter reflective mirror 232, no matter its sequencing.
To magnifier 25, magnifier 25 passes through polarization splitting prism 27 amplification imagings to silicon-based microcrystal imager chip 26 planes with three look spectro-films of beam split runner to reflective mirror 232 with three coloured light line reflections, forms red, green, blue three light belts; Along with the rotation of color separation runner 23, Optical homogenizer 22 exits are penetrated and red, green, blue three light belts of forming are bearing the rotation of runner and cycle alternation constantly, and the image that silicon-based microcrystal imager chip 26 forms also constantly changes along with the variation of light belt.Silicon-based microcrystal imager chip 26 images see through PBS, are projected to screen 28 by image-forming objective lens 27.
Embodiment 2, see also Fig. 6.Digital-code projector optical-mechanical mechanism of the present invention comprises: high light efficiency Metal halogen lamp 21, Optical homogenizer 32, color separation parts 23, magnifier 24, polarization splitting prism 25, silicon-based microcrystal imager chip 26, image-forming objective lens 27.Optical homogenizer 32 is toroidal among this embodiment, its anterior no reflection events plate.High light efficiency Metal halogen lamp 21 rearmounted reflectors 211, utilize this reflector 211, red, green, blue three coloured light line reflections are advanced Optical homogenizer 32, and ruddiness enters reflective mirror through the red spectro-film of color separation runner 23 in the three beams light, and green glow, blue streak are subjected to the reflected light homogenizer 32 of red spectro-film; Light is got back to the reflector 211 of high light efficiency Metal halogen lamp 21 postposition by Optical homogenizer, this reflector reflexes to color separation runner 23 once more with green glow, blue streak, the green spectro-film that green glow sees through color separation runner 23 enters reflective mirror, and the reflection that blue streak is subjected to green spectro-film is reflected light homogenizer 32 once more; Light is got back to the reflector 211 of high light efficiency Metal halogen lamp 21 postposition by Optical homogenizer, and this reflector reflexes to color separation runner 23 once more with blue streak, and the blue spectro-film that sees through color separation runner 23 enters reflective mirror.
To magnifier 25, magnifier 25 passes through polarization splitting prism 27 amplification imagings to silicon-based microcrystal imager chip 26 planes with three look spectro-films of beam split runner to reflective mirror with three coloured light line reflections, forms red, green, blue three light belts; Along with the rotation of color separation runner 23, Optical homogenizer 22 exits are penetrated and red, green, blue three light belts of forming are bearing the rotation of runner and cycle alternation constantly, and the image that silicon-based microcrystal imager chip 26 forms also constantly changes along with the variation of light belt.Silicon-based microcrystal imager chip 26 images see through PBS, are projected to screen 29 by image-forming objective lens 28.
The present invention is simple in structure, and cost is low, has the advantage that assembly process process improves and increase effectively luminous energy.
Claims (5)
1, digital-code projector optical-mechanical mechanism, comprise: high light efficiency Metal halogen lamp, Optical homogenizer, color separation parts, magnifier, polarization splitting prism, silicon-based microcrystal imager chip, image-forming objective lens, described high light efficiency Metal halogen lamp, Optical homogenizer, color separation parts series arrangement on transversal line; Described magnifier, polarization splitting prism are located at color separation parts below, and press the longitudinal axis series arrangement; Described silicon-based microcrystal imager chip is located at the right side of polarization splitting prism, and image-forming objective lens is located at the left side of polarization splitting prism, series arrangement on a transversal line; It is characterized in that: described color separation parts comprise color separation runner and reflective mirror, and described reflective mirror inclination 45 degree are located at color separation runner inside.
The light source that high light efficiency Metal halogen lamp projects is through Optical homogenizer, light is evenly distributed in the exit of Optical homogenizer, three coloured light lines see through the color separation runner and enter reflective mirror, reflective mirror with three coloured light line reflections to magnifier, pass through the polarization splitting prism amplification imaging again to silicon-based microcrystal imager chip plane, form red, green, blue three light belts; Silicon-based microcrystal imager chip image sees through polarization splitting prism, is projected to screen by image-forming objective lens.
2. digital-code projector optical-mechanical mechanism according to claim 1, it is characterized in that: the polycomponent light film that distributing equably in proper order on the described color separation runner excircle, every group of spectro-film is red spectro-film, green spectro-film, the blue spectro-film of arranging according to the order of sequence and do not have the film district.
3, digital-code projector optical-mechanical mechanism according to claim 1 is characterized in that: the polycomponent light film that distributing equably in proper order on the described color separation runner excircle, every group of spectro-film is red spectro-film, green spectro-film and the blue spectro-film of arranging according to the order of sequence.
4, digital-code projector optical-mechanical mechanism according to claim 1 is characterized in that: described Optical homogenizer is rectangular, and its front portion is provided with reflecting plate.
5, digital-code projector optical-mechanical mechanism according to claim 1 is characterized in that: described Optical homogenizer is toroidal, and its front portion does not have reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021453799A CN1328611C (en) | 2002-11-25 | 2002-11-25 | Optical-machine mechanism for digital projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021453799A CN1328611C (en) | 2002-11-25 | 2002-11-25 | Optical-machine mechanism for digital projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1503024A true CN1503024A (en) | 2004-06-09 |
| CN1328611C CN1328611C (en) | 2007-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021453799A Expired - Fee Related CN1328611C (en) | 2002-11-25 | 2002-11-25 | Optical-machine mechanism for digital projector |
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| CN (1) | CN1328611C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647291B (en) * | 2007-04-12 | 2012-05-02 | 汤姆森特许公司 | Biaxial mirror color selecting micro mirror imager |
| CN102809431A (en) * | 2012-07-18 | 2012-12-05 | 西北工业大学 | Small multiband polarization imaging system with automatic filter wheel |
| CN103439789A (en) * | 2013-07-19 | 2013-12-11 | 深圳雅图数字视频技术有限公司 | Projector light machine and projector |
| CN113720817A (en) * | 2021-08-27 | 2021-11-30 | 苏州国科均豪生物科技有限公司 | Disc type micro-fluidic detection and analysis system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002023105A (en) * | 2000-07-04 | 2002-01-23 | Seiko Epson Corp | Illumination optical system and projector using the same |
| CN2473646Y (en) * | 2001-04-20 | 2002-01-23 | 上海力保科技有限公司 | Digital exposure machine structure for colour expanding printing machine |
| CN2515687Y (en) * | 2001-12-28 | 2002-10-09 | 北京澳柯玛视美乐信息技术有限公司 | Colour splitting colour-synthesizing prism |
| CN2580467Y (en) * | 2002-11-25 | 2003-10-15 | 上海力保科技有限公司 | Digital projector light machine mechanism |
-
2002
- 2002-11-25 CN CNB021453799A patent/CN1328611C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647291B (en) * | 2007-04-12 | 2012-05-02 | 汤姆森特许公司 | Biaxial mirror color selecting micro mirror imager |
| CN102809431A (en) * | 2012-07-18 | 2012-12-05 | 西北工业大学 | Small multiband polarization imaging system with automatic filter wheel |
| CN103439789A (en) * | 2013-07-19 | 2013-12-11 | 深圳雅图数字视频技术有限公司 | Projector light machine and projector |
| CN113720817A (en) * | 2021-08-27 | 2021-11-30 | 苏州国科均豪生物科技有限公司 | Disc type micro-fluidic detection and analysis system |
| CN113720817B (en) * | 2021-08-27 | 2024-04-09 | 苏州国科均豪生物科技有限公司 | Disk-type microfluidic detection analysis system |
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| Publication number | Publication date |
|---|---|
| CN1328611C (en) | 2007-07-25 |
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Granted publication date: 20070725 Termination date: 20121125 |