CN2580467Y - Digital projector light machine mechanism - Google Patents
Digital projector light machine mechanism Download PDFInfo
- Publication number
- CN2580467Y CN2580467Y CN 02279854 CN02279854U CN2580467Y CN 2580467 Y CN2580467 Y CN 2580467Y CN 02279854 CN02279854 CN 02279854 CN 02279854 U CN02279854 U CN 02279854U CN 2580467 Y CN2580467 Y CN 2580467Y
- Authority
- CN
- China
- Prior art keywords
- color separation
- light
- film
- spectro
- splitting prism
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model discloses a digital projector light machine mechanism, which comprises a high light efficiency metal-halogen light, a light homogenizer, a color separation component, a magnifier, a polarized beam splitting prism, a silicon-based microcrystal imaging chip and an imaging objective lens, wherein, the high light efficiency metal-halogen light, the light homogenizer and the color separation component are arranged in sequence on a transverse axial line; the magnifier and the polarized beam splitting prism are arranged below the color separation component and are arranged according to the sequence of a longitudinal axial line; the silicon-base microcrystal imaging chip is arranged on the right side of the polarized beam splitting prism; the imaging objective lens is arranged on the left side of the polarized beam splitting prism and is arranged in sequence on a transverse axial line. The utility model is characterized in that the color separation component comprises a color separation rotary wheel and a reflecting mirror; the reflecting mirror is arranged at the inner part of the color separation rotary wheel by rotor tilting at 45 DEG. The utility model replaces a complicated light component structure of the color separation component in the original light machine mechanism by the color separation component composed of the color separation rotary wheel and the reflecting mirror, and thus, the utility model has the advantages that the whole mechanism is simplified; light energy is effectively increased; the process property of assembly is enhanced; due to the simple structure of the light machine, the digital projector light machine mechanism has very large superiority in economic cost.
Description
Technical field
The utility model 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
The purpose of this utility model is a kind of digital-code projector optical-mechanical mechanism that provides for the shortcoming that overcomes existing digital-code projector optical-mechanical mechanism, 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 purpose of this utility model is achieved in that 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 utility model 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 utility model 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 the utility model digital-code projector optical-mechanical mechanism.
Fig. 3 is the side view of color separation runner in the utility model digital-code projector optical-mechanical mechanism.
Fig. 4 is the front view of color separation runner embodiment one in the utility model digital-code projector optical-mechanical mechanism.
Fig. 5 is the front view of color separation runner embodiment two in the utility model digital-code projector optical-mechanical mechanism.
Fig. 6 is the structural representation of the another kind of embodiment of the utility model digital-code projector optical-mechanical mechanism.
Embodiment
See also Fig. 2, the utility model digital-code projector optical-mechanical mechanism 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 the utility model digital-code projector optical-mechanical mechanism, 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 the utility model digital-code projector optical-mechanical mechanism, 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 utility model below in conjunction with two embodiment:
Embodiment 1, please in conjunction with referring to Fig. 2.The utility model digital-code projector optical-mechanical mechanism 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 22 is rectangular among this embodiment, and there is reflecting plate 221 its front portion.
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.The utility model digital-code projector optical-mechanical mechanism 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 utility model 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 |
|---|---|---|---|
| CN 02279854 CN2580467Y (en) | 2002-11-25 | 2002-11-25 | Digital projector light machine mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279854 CN2580467Y (en) | 2002-11-25 | 2002-11-25 | Digital projector light machine mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2580467Y true CN2580467Y (en) | 2003-10-15 |
Family
ID=33742813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02279854 Expired - Lifetime CN2580467Y (en) | 2002-11-25 | 2002-11-25 | Digital projector light machine mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2580467Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328611C (en) * | 2002-11-25 | 2007-07-25 | 上海力保科技有限公司 | Optical-machine mechanism for digital projector |
-
2002
- 2002-11-25 CN CN 02279854 patent/CN2580467Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328611C (en) * | 2002-11-25 | 2007-07-25 | 上海力保科技有限公司 | Optical-machine mechanism for digital projector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1190700C (en) | Lighting optical system and projector containing it | |
| US5098184A (en) | Optical illumination system and projection apparatus comprising such a system | |
| CN1231788C (en) | Reflection image projector, projection type image display device and light source device | |
| CN1760717A (en) | Illumination optical system and image display apparatus making use thereof | |
| CN101038372A (en) | Projection type image display apparatus | |
| CN1854882A (en) | Projector | |
| JP2001215448A (en) | Projector | |
| CN1144076C (en) | Reflection type projector | |
| CN1204419C (en) | Integrated lamp optical system and projector with the system | |
| CN1842149A (en) | Optical structure for projection system | |
| CN1280654C (en) | Polarized-light converting unit and projector using the same | |
| CN100504587C (en) | Projector | |
| CN2580467Y (en) | Digital projector light machine mechanism | |
| CN1328611C (en) | Optical-machine mechanism for digital projector | |
| CN1892291A (en) | Projection display and optical integrator | |
| KR100397427B1 (en) | Polarizing Light Converting Apparatus | |
| CN1577057A (en) | Liquid crystal projector | |
| CN1595224A (en) | Lighting unit and projector including the same | |
| KR101171300B1 (en) | DMD 3D Projector | |
| CN1825197A (en) | Projection display optical system and projector with same | |
| CN1525199A (en) | Image photogeneration apparatus and projection type image display | |
| CN1266949C (en) | Reflective liquid crystal projection system | |
| CN1725057A (en) | LCOS optical projection system | |
| KR0184364B1 (en) | 3d image projector using optical reflective modulator | |
| CN1215874A (en) | Projection display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20021125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |