CN102004388A - Three-dimensional miniature projector module - Google Patents
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- CN102004388A CN102004388A CN2010105097965A CN201010509796A CN102004388A CN 102004388 A CN102004388 A CN 102004388A CN 2010105097965 A CN2010105097965 A CN 2010105097965A CN 201010509796 A CN201010509796 A CN 201010509796A CN 102004388 A CN102004388 A CN 102004388A
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Abstract
The invention relates to a three-dimensional miniature projector module, which comprises a lighting system, a polarization light splitting system and a projecting lens, wherein the polarization light splitting system is arranged on an output light path of the lighting system; and the projecting lens is arranged on an output light path of the polarization light splitting system. The three-dimensional miniature projector module is characterized in that: a micro-display chip is arranged on one side, adjacent to the lighting system, of the polarization light splitting system, and the other micro-display chip is arranged on one side, opposite to the lighting system, of the polarization light splitting system; and the two micro-display chips are arranged vertically. In the three-dimensional miniature projector module, three-dimensional image information of left and right eyes are distributed to two beams of polarization light respectively by utilizing the two micro-display chips to realize the three-dimensional projection function. In addition, in the three-dimensional miniature projector module, the two beams of polarization light which are split by the polarization light splitting system and have different polarization states are utilized to improve the utilization rate and projection light intensity of the light greatly, and simultaneously, all composition components are miniaturized devices, and can be embedded into movable equipment such as mobile phones, notebook computers, recreational machines, media players and the like, so that the three-dimensional miniature projector module becomes three-dimensional movable projection equipment to meet the requirement of people on three-dimensional experience.
Description
Technical field
The invention belongs to the projection display technique field, relate to and a kind ofly can realize tripleplane's function and can be installed in minitype projection machine module on the mobile device.
Background technology
Along with the raising of life quality, people no longer are satisfied with simple two dimension and show, but constantly pursue 3 D stereo impression on the spot in person.But, can not satisfy people's sense organ demand because 3-D display to the technical requirement height, generally can only be watched in large-scale places such as cinema.Though existing minitype projection machine module can be installed on the mobile device to realize projecting function, what project all is two dimensional image, can not satisfy the demand that people experience 3 D stereo equally.
Simultaneously, more existing minitype projection machines adopt a slice micro display chip, can only utilize a kind of polarization state light imaging, and the utilization factor of light is lower.
By retrieval, find the relevant patent documentation of three pieces of same domains, 1, a kind of panorama visual field three-dimensional display device based on high-speed projector (CN101630066), this device comprises high-speed projector, transmission-type directional scattering screen, mirror system, wheelwork, sensor, rotational synchronization detection module and host computer.High-speed projector projects to the combination image of 360 ° of full-view visual fields of three-dimensional body level on the mirror system of high speed rotating, and image projects on the transmission-type directional scattering screen of fixing cylinder after mirror system realizes the light path turnover.The dispersion angle of rotation synchronous detection module system emergent light makes observer's right and left eyes see the image of different visual angles, realizes the 3-D display of three-dimensional body on full-view visual field.The rotational synchronization detection module detects turn signal, and communicates by letter with host computer, guarantees the position synchronous of combination image position and rotary reflection mirror system.The present invention can realize that the observer sees the image with binocular parallax at the diverse location eyes, realizes 3-D display.2, a kind of volumetric 3 D display system based on multi-projector rotating panel (CN101038421) comprising: a rotary screen, rotated by driven by motor; Image processing apparatus resolves into three-dimensional object model the two dimensional image of a series of multi-angles and sends the data processing unit of each projector in cylindrical coordinate; At least two projectors put around the rotary screen, with a two dimensional image synchronized projection of corresponding angle on a Rotation screen, thereby reconstruct the 3-D view similar to real-world object.Adopt the present invention, can improve refresh rate, resolution and GTG, on existing software and hardware technology level, it is lower to produce cost, the better body three-dimensional display apparatus of display effect.3, a kind of measuring method that is used to adopt topography measurement is carried out the projector (CN1865847) of the device usefulness of three dimensional optical measuring to object, picked-up and analyzing and processing are projected to the image of the projection pattern on the object in the measuring method of this topography measurement, wherein, projector has an illumination unit and one and is used for carrier projecting structural optical, that be provided with projection pattern.The task of this invention solves like this: the projection pattern that the form of some how much single structures that are repetition is set on this carrier, and this carrier that has these projection pattern can like this be provided with moving, makes between motion and the light period selected zone of projection pattern move in the light path between illumination unit and the object and present the pattern of stripe-shaped by motion blur on object.
Though above-mentioned three pieces of documents belong to same field, problem that solves and technical scheme are different fully.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of three-dimensional micro projector module that can realize tripleplane's function is provided.
The object of the present invention is achieved like this:
A kind of three-dimensional micro projector module, comprise illuminator, polarization spectro system and projecting lens, the polarization spectro system is set on the output light path of illuminator, on polarization spectro system output light path, projecting lens is set, it is characterized in that: one micro display chip is installed in polarization spectro system one side adjacent with illuminator, in polarization spectro system one side relative with illuminator another sheet micro display chip is installed, these two micro display chips are vertical mutually to be provided with.
And described illuminator comprises light source and light collecting device, and wherein light source is the wherein a kind of of white LED light source, red-green-blue led light source, HID light source or Halogen light source; Light collecting device is compound parabolic concentrator or the collector lens group be made up of two lens.
And described polarization spectro system is three-dimensional polarization beam splitter or film polar switching system.
And described micro display chip is colored micro-display or monochromatic micro-display; The light source that micro display chip adopts when being colored micro-display is white LED light source, HID light source or Halogen light source, and the light source that micro display chip adopts when being monochromatic micro-display is that red-green-blue led light source, HID light source add colour wheel or the Halogen light source adds colour wheel.
And, place a slice lens before described each micro display chip.
Advantage of the present invention and good effect are:
1, the present invention at first utilizes the polarization spectro system that light is divided into the polarized light that two bundles have different polarization states, utilize two micro display chips to give this two bundles polarized light respectively again with the right and left eyes three-dimensional image information, the two bundle polarized lights that are loaded with the right and left eyes three-dimensional image information project on the screen, have realized the function of tripleplane; And the polarized light that two bundles that this three-dimensional micro projector module is told the polarization spectro system have different polarization states all is used, and has improved the utilization factor and the projection brightness of light greatly.
2, all building blocks of the present invention are microminiaturized device, can embed in the mobile devices such as mobile phone, notebook computer, game machine, media player, make it become three-dimensional mobile projector device, satisfy the demand of people to the 3 D stereo impression.
Description of drawings
Fig. 1 is a three-dimensional micro projector module system architecture synoptic diagram of the present invention;
Fig. 2 is the system architecture synoptic diagram of the embodiment of the invention 2;
Fig. 3 is the system architecture synoptic diagram of the embodiment of the invention 3;
Fig. 4 is the system architecture synoptic diagram of the embodiment of the invention 4;
Fig. 5 is the system architecture synoptic diagram of the embodiment of the invention 5.
Embodiment
Below in conjunction with embodiment, the present invention is further described; Following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
Embodiment 1:
A kind of three-dimensional micro projector module referring to Fig. 1, comprises illuminator 1w, polarization spectro system 2, two adjacent vertically disposed micro display chips 3 and 4, and projecting lens 5.Illuminator comprises light source and light collecting device, and in the present embodiment, light source can adopt white LED light source, HID light source or Halogen light source, and light collecting device adopts compound parabolic concentrator.The polarization spectro system adopts three-dimensional polarization beam splitter, and this solid polarization beam splitter can be divided into s polarized light and p polarized light with the light that penetrates from illuminator 1w, and with the reflection of s polarized light, p polarized light transmission.Two adjacent vertically disposed micro display chips 3,4 all can adopt colored micro-display, as colorized optical filtering type LCoS or DLP, wherein micro display chip 3 is arranged at described polarization spectro system 2 side adjacent with illuminator 1w, is used to receive the s polarized light of telling and reflecting through polarization spectro system 2; Micro display chip 4 is arranged at described polarization spectro system 2 side relative with illuminator 1w, is used to receive through polarization spectro system 2 tell and the p polarized light of transmission.3 pairs of s polarized lights of micro display chip are modulated and are reflected, and electronic signal is given the left-eye image information in this bundle light 3-D view simultaneously, and emergent light is the p polarized light that is loaded with left-eye image information; 4 pairs of p polarized lights of micro display chip are modulated and are reflected, and electronic signal is given the eye image information in this bundle light 3-D view simultaneously, and emergent light is the s polarized light that is loaded with eye image information.The p polarized light that is loaded with left-eye image information enters projecting lens 5 after 2 transmissions of polarization spectro system; The s polarized light that is loaded with eye image information enters projecting lens 5 after 2 reflections of polarization spectro system.Projecting lens 5 receives the p polarized light that is loaded with the right and left eyes image information and s polarized light and they is projected and forms 3-D view on the external screen, human eye can only be seen corresponding polarized light image by every eyes of polaroid glasses, thereby produces stereo perception in visual system.
Embodiment 2:
A kind of three-dimensional micro projector module referring to Fig. 2, comprises illuminator, polarization spectro system 2, two adjacent vertically disposed micro display chips 3 and 4, and projecting lens 5.In the present embodiment, illuminator comprises the 1r of red illumination system, the 1g of illuminated with green system, the 1b of blue illumination system and X-type color combination prism 1x.This three looks illuminator is arranged on three sides of X-type color combination prism 1x.The 1r of red illumination system, the 1g of illuminated with green system, the 1b of blue illumination system form by led light source and light collecting device.Red light beam, green beam, blue light light beam are synthesized to a branch of light behind X-type color combination prism 1x and enter in the polarization spectro system 2.Two adjacent vertically disposed micro display chips 3,4 all can adopt monochromatic micro-display, as colors sequence type LCoS or DLP.Present embodiment adopts the red, green, blue three-color light source, and color representation power and light utilization ratio can be increased dramatically.
Other are same as embodiment 1
Embodiment 3:
A kind of three-dimensional micro projector module referring to Fig. 3, comprises illuminator, polarization spectro system 2, two adjacent vertically disposed micro display chips 3 and 4, and projecting lens 5.Illuminator comprises light source assembly 1 and colour wheel 1s.Light source assembly comprises light source and light collecting device.The difference of present embodiment and embodiment 1 is: colour wheel 1s is arranged on the output light path of light source assembly 1, and will be divided into red, green, blue three coloured light from the white light that light source assembly 1 penetrates.Red, green, blue tri-color beam order again enters in the polarization spectro system 2, and two adjacent vertically disposed micro display chips 3,4 all can adopt monochromatic micro-display, as colors sequence type LCoS or DLP.Present embodiment is divided into red, green, blue three coloured light with white light with colour wheel, can obtain having the image of higher color expressive force with lower driving power.
Other are same as embodiment 1
Embodiment 4:
A kind of three-dimensional micro projector module, referring to Fig. 4, present embodiment is similar to embodiment 1, comprises illuminator 1w, polarization spectro system 2, two adjacent vertically disposed micro display chips 3 and 4, and projecting lens 5.Difference is that light collecting device adopts the collector lens group of being made up of two lens, the higher and easy preparation of light gathering efficiency in the present embodiment; Polarization spectro system 2 adopts film polar switching system, escapable cost.This film polar switching system will be divided into s polarized light and p polarized light from the light that illuminator 1w penetrates, and with the reflection of s polarized light, p polarized light transmission.Micro display chip 3 receives the s polarized light of telling and reflecting through polarization spectro system 2; Micro display chip 4 receives through polarization spectro system 2 and tells the also p polarized light of transmission.
Other are same as embodiment 1
Embodiment 5:
A kind of three-dimensional micro projector module, referring to Fig. 5, present embodiment is similar to embodiment 4, comprises illuminator 1w, polarization spectro system 2, two adjacent vertically disposed micro display chip assemblies 3 and 4, and projecting lens 5.Difference is that the micro display chip assembly comprises a slice micro display chip and a slice lens in the present embodiment, before lens place micro display chip, is used to increase the light quantity of going into of chip incident beam, improves the utilization ratio of light.These two micro display chip assemblies 3 and 4 adjacent vertical placements: wherein micro display chip assembly 3 is arranged at described polarization spectro system 2 side adjacent with illuminator 1w, is used to receive the s polarized light of telling and reflecting through polarization spectro system 2; Micro display chip assembly 4 is arranged at described polarization spectro system 2 side relative with illuminator 1w, is used to receive through polarization spectro system 2 tell and the p polarized light of transmission.Lens in the micro display chip assembly 3 increase the incident angle of s polarized light for chip, thereby increase the light quantity of going into of chip incident beam, micro display chip is modulated the s polarized light and is reflected, electronic signal is given the left-eye image information in this bundle light 3-D view simultaneously, and emergent light is the p polarized light that is loaded with left-eye image information; Lens in the micro display chip assembly 4 increase the incident angle of p polarized light for chip, thereby increase the light quantity of going into of chip incident beam, micro display chip is modulated the p polarized light and is reflected, electronic signal is given the eye image information in this bundle light 3-D view simultaneously, and emergent light is the s polarized light that is loaded with eye image information.
Other are same as embodiment 4
Several embodiments preferably of the present invention have been described above in detail.The illuminator that adopts among the present invention, polarization spectro system, micro display chip and projecting lens are microminiaturized device, can realize the demand of three-dimensional micro projector module microminiaturization.Each above-mentioned parts of the present invention have been prior art, therefore do not provide the concrete structure of each parts.The present invention has adopted two adjacent vertically disposed micro display chips: a slice micro display chip is given the left-eye image information in a kind of light 3-D view of polarization state, and another sheet micro display chip is given the eye image information in the light 3-D view of another kind of polarization state; Two bundle polarized lights externally form 3-D view on the screen through projecting lens, human eye just can produce stereo perception by polaroid glasses in visual system, thereby realized the function of three-dimensional micro projector module tripleplane, simultaneously, the present invention has made full use of the p polarized light told through the polarization spectro system and the light of these two kinds of different polarization states of s polarized light, has improved the utilization factor and the projection brightness of light greatly.
In the above embodiment, embodiment 1 structure is the simplest, embodiment 2 color representation power and light utilization ratio can be increased dramatically, embodiment 3 can obtain having the image of higher color expressive force with lower driving power, embodiment 4 light gathering efficiencies are higher, easier preparation, and cost is low, embodiment 5 has further improved the utilization ratio of light except that the advantage with embodiment 4.As seen the minitype projection machine modular design in all embodiments can realize having tripleplane's function of high color expressive force, high light efficiency among the present invention.
Three-dimensional micro projector module of the present invention is fit to embed mobile phone very much, notebook computer, and game machine in the mobile devices such as media player, makes it become three-dimensional mobile projector device, satisfies the demand of people to the 3 D stereo impression.
Principle of work of the present invention is:
The present invention combines the micro projection display technique with the three-dimensional imaging technology, adopted two adjacent vertically disposed micro display chips: a slice micro display chip receives the s polarized light told through the polarization spectro system and it is modulated, electronic signal is given the left-eye image information in this bundle light 3-D view simultaneously, and emergent light is the p polarized light that is loaded with left-eye image information; Another sheet micro display chip receives the p polarized light told through the polarization spectro system and it is modulated, and electronic signal is given the eye image information in this bundle light 3-D view simultaneously, and emergent light is the s polarized light that is loaded with eye image information; Be loaded with the p polarized light of right and left eyes image information and s polarized light and project through projecting lens and form 3-D view on the external screen, human eye can only be seen corresponding polarized light image by every eyes of polaroid glasses, thereby produces stereo perception in visual system.This projector module not only can be realized tripleplane's function, and has made full use of the p polarized light told through the polarization spectro system and the light of these two kinds of different polarization states of s polarized light, has improved the utilization factor and the projection brightness of light greatly.
Scope of the present invention is not limited to the embodiment of the above, also comprises illuminator, polarization spectro system, micro display chip and projecting lens etc. are made up formed minitype projection machine module according to different modes.The variation that all shapes according to the present invention, structure are done all is included in protection scope of the present invention.
Claims (5)
1. three-dimensional micro projector module, comprise illuminator, polarization spectro system and projecting lens, the polarization spectro system is set on the output light path of illuminator, on polarization spectro system output light path, projecting lens is set, it is characterized in that: one micro display chip is installed in polarization spectro system one side adjacent with illuminator, in polarization spectro system one side relative with illuminator another sheet micro display chip is installed, these two micro display chips are vertical mutually to be provided with.
2. three-dimensional micro projector module according to claim 1 is characterized in that: described illuminator comprises light source and light collecting device, and wherein light source is the wherein a kind of of white LED light source, red-green-blue led light source, HID light source or Halogen light source; Light collecting device is a compound parabolic concentrator, or the collector lens group of being made up of two lens.
3. three-dimensional micro projector module according to claim 1 is characterized in that: described polarization spectro system is three-dimensional polarization beam splitter or film polar switching system.
4. three-dimensional micro projector module according to claim 1 is characterized in that: described micro display chip is colored micro-display or monochromatic micro-display; The light source that micro display chip adopts when being colored micro-display is white LED light source, HID light source or Halogen light source, and the light source that micro display chip adopts when being monochromatic micro-display is that red-green-blue led light source, HID light source add colour wheel or the Halogen light source adds colour wheel.
5. according to claim 1 or 4 described three-dimensional micro projector modules, it is characterized in that: place a slice lens before described each micro display chip.
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| CN2010105097965A CN102004388A (en) | 2010-10-15 | 2010-10-15 | Three-dimensional miniature projector module |
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| CN2010105097965A CN102004388A (en) | 2010-10-15 | 2010-10-15 | Three-dimensional miniature projector module |
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Cited By (6)
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| CN102169237A (en) * | 2011-04-27 | 2011-08-31 | 上海丽恒光微电子科技有限公司 | Stereographic projection optical system |
| CN102243424A (en) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | Miniature projection liquid crystal on silicon (LCOS) optical engine |
| CN102360156A (en) * | 2011-09-29 | 2012-02-22 | 福建网讯科技有限公司 | 3D (three-dimensional) protection device and 3D projection method |
| CN102520575A (en) * | 2011-12-30 | 2012-06-27 | 中国科学技术大学 | Three-dimensional projection display system based on liquid crystal polarization rotation |
| CN103018864A (en) * | 2011-09-22 | 2013-04-03 | 台达电子工业股份有限公司 | Phosphor device and illumination system and projection apparatus with the same |
| WO2024065381A1 (en) * | 2022-09-29 | 2024-04-04 | Jade Bird Display (shanghai) Limited | Microthree-dimensional printing device |
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| WO2024065381A1 (en) * | 2022-09-29 | 2024-04-04 | Jade Bird Display (shanghai) Limited | Microthree-dimensional printing device |
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Application publication date: 20110406 |