CN102654646A - Optical engine and projection device - Google Patents
Optical engine and projection device Download PDFInfo
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- CN102654646A CN102654646A CN2011100758646A CN201110075864A CN102654646A CN 102654646 A CN102654646 A CN 102654646A CN 2011100758646 A CN2011100758646 A CN 2011100758646A CN 201110075864 A CN201110075864 A CN 201110075864A CN 102654646 A CN102654646 A CN 102654646A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 151
- 230000010287 polarization Effects 0.000 claims description 69
- 230000010291 membrane polarization Effects 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 10
- 229920002521 macromolecule Polymers 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
An optical engine and a projection device. The optical engine includes: a light source generator providing an illumination beam; a first sub-plate beam splitter for splitting the illumination beam into a reflected first polarized beam and a transmitted second polarized beam; a first deflector for transmitting the second polarized light beam and converting the second polarized light beam into the first polarized light beam; a second sub-plate beam splitter reflecting the first polarized beam; the main flat plate light splitter reflects the first polarized light beam reflected by the second sub flat plate light splitter and the first polarized light beam converted by the first deflector; and the light valve converts the first polarized light beams reflected by the main flat-plate light splitter into image light beams and enables the image light beams to penetrate through the main flat-plate light splitter. The deflector converts the second polarized light beam into the first polarized light beam with the same phase, and the first polarized light beam reflected by the second sub-flat light splitter and the first polarized light beam are projected to the main flat light splitter at the same time, so that the light beams can be combined to improve the utilization rate of light energy, and the invention has the advantages of low price, high image quality and large size.
Description
Technical field
The present invention refers to a kind of light engine and projection arrangement that can improve utilization ratio of optical energy especially relevant for a kind of optical devices.
Background technology
Press, the place for needs use big screen like meeting room or school, or for improving the big screen image that personal entertainment uses, makes projector be widely used in aspects such as meeting, education and amusement; And along with the progress of industrial technology, also just increasingly high for the requirement of image quality, size and the price of projector.
And the inner light engine of projector of the prior art mainly is made up of light source, polar biased light splitting piece, light valve and projection lens; With by this polar biased light splitting piece with the light source beam split; And change into image strip via this light valve, and penetrate this polar biased light splitting piece and projection lens, to project image.
But the polar biased light splitting piece is three-dimensional polarization splitting prism (PBS) in the prior art, not only volume big, cost an arm and a leg, and be prone to cause the utilization ratio of optical energy loss.Thereby, adopt the polymeric membrane polarization optical splitter of two-dimensional flat plate just like M343804 Taiwan patent " light engine and projection arrangement ", with reduced volume, and price comparison is cheap, and can reduce the loss of utilization ratio of optical energy.
See also Fig. 1, be the projection arrangement synoptic diagram of above-mentioned Taiwan patent M343804 number.As shown in the figure, projection arrangement comprises in the prior art: light source 10, macromolecule polar biased light splitting piece 11, light valve 12, and projection lens 13.
Said light source 10, in order to light beam 100 to be provided, and this light beam 100 comprises the first light beam 100a of the first polarization direction S1 and the second light beam 100b of the second polarization direction S2.
Said macromolecule polar biased light splitting piece 11 is arranged on the projected path of this light beam 100, and reflects the first light beam 100a of this light beam 100, and this second light beam 100b then penetrates this macromolecule polar biased light splitting piece 11.
Said light valve 12; Be arranged at by on the projected path of this macromolecule polar biased light splitting piece 11 this first light beam of reflection 100a; And convert those first light beams 100a the image strip 120 of the second polarization direction S2 into, and this image strip 120 penetrates this macromolecule polar biased light splitting piece 11.
Said projection lens 13 is arranged on the projected path that penetrates this image strip 120 behind this macromolecule polar biased light splitting piece 11.
But; Though the macromolecule polar biased light splitting piece 11 ability reduced volumes of this two-dimensional flat plate, and can reduce price, the first light beam 100a of this light beam 100 is projected to this light valve 12 via reflection; This second light beam 100b then penetrates this macromolecule polar biased light splitting piece 11; Wherein this second light beam 100b does not provide any effect, thereby still has the loss of utilization ratio of optical energy, so can't be in response to the user demand of high image quality, large scale and low price.
Therefore, in view of the above-mentioned problems, how a kind of light engine and projection arrangement are provided, can reduce the loss of utilization ratio of optical energy, and the user demand of high image quality, large scale and low price can be provided, the real problem of desiring most ardently solution at present that become.
Summary of the invention
Shortcoming in view of above-mentioned prior art the object of the present invention is to provide a kind of light engine and projection arrangement, with the raising utilization ratio of optical energy, and makes it have the advantage that price is low, image quality is high and size is big.
For reaching above-mentioned and other purposes, the present invention discloses a kind of light engine, comprising: light source generator; Beam splitter assembly; And light valve, wherein, this light source generator provides illuminating bundle; This beam splitter assembly is in order to converting illuminating bundle into the light beam of same polarization direction, and transmits this light beam to this light valve to obtain image strip.
In an embodiment; This beam splitter assembly comprises: the first sub dull and stereotyped optical splitter; Be arranged on the projected path of the illuminating bundle that this light source generator provides, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter; The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam; First deflector is arranged on the projected path of this second light beam, makes this second light beam penetrate and convert to first light beam; And main dull and stereotyped optical splitter, be arranged on the projected path of first light beam of this second sub dull and stereotyped spectrophotometric reflection and first light beam that this first deflector is changed, and reflect this 2 first light beam.
In the light engine of above-mentioned embodiment, this light valve is arranged at by on the projected path of this first light beam of the dull and stereotyped spectrophotometric reflection of this master, and converts those first light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
In another embodiment; This beam splitter assembly comprises: the first sub dull and stereotyped optical splitter; Be arranged on the projected path of this illuminating bundle, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter; The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam; Second deflector is arranged on the projected path of first light beam of this second sub dull and stereotyped spectrophotometric reflection, penetrates and convert to second light beam for this first light beam; And main dull and stereotyped optical splitter, be arranged on the projected path of second light beam of second light beam that penetrates this first sub dull and stereotyped optical splitter and the conversion of this second deflector, and reflect this 2 second light beam.
In the light engine of above-mentioned embodiment, this light valve is arranged at by on the projected path of those second light beams of the dull and stereotyped spectrophotometric reflection of this master, and converts those second light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
In another embodiment; This beam splitter assembly comprises: the first sub dull and stereotyped optical splitter; Be arranged on the projected path of the illuminating bundle that this light source generator provides, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter; The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam; Second deflector is arranged on the projected path of first light beam of this second sub dull and stereotyped spectrophotometric reflection, penetrates and convert to second light beam for this first light beam; Main dull and stereotyped optical splitter is arranged on the projected path of second light beam of second light beam that this first sub-optical splitter penetrates and the conversion of this second deflector, penetrates for those second light beams; The 3rd deflector is arranged on the projected path of second light beam that penetrates the dull and stereotyped optical splitter of this master, penetrates and convert to the 3rd light beam for those second light beams; And reverberator; Be arranged on the projected path of the 3rd light beam that penetrates the 3rd deflector; So that those the 3rd beam reflection are back to the 3rd deflector; Make the 3rd light beam penetrate the 3rd deflector and convert first light beam to, and make this first light beam be projected to the dull and stereotyped optical splitter of this master, should main this first light beam of dull and stereotyped spectrophotometric reflection with order.
In the light engine of above-mentioned embodiment, this light valve is arranged at by on the projected path of this first light beam of the dull and stereotyped spectrophotometric reflection of this master, and converts those first light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
In an embodiment again; This beam splitter assembly comprises: the first sub dull and stereotyped optical splitter; Be arranged on the projected path of this illuminating bundle, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter; The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam; First deflector is arranged on the projected path of this second light beam, makes this second light beam penetrate and convert to first light beam; Main dull and stereotyped optical splitter is arranged on the projected path of first light beam of this second sub-spectrophotometric reflection and first light beam that this first deflector is changed, and penetrates for those first light beams; The 3rd deflector is arranged on the projected path of first light beam that penetrates the dull and stereotyped optical splitter of this master, penetrates and convert to the 3rd light beam for those first light beams; Reverberator; Be arranged on the projected path of the 3rd light beam that penetrates the 3rd deflector; So that those the 3rd beam reflection are back to the 3rd deflector; Make the 3rd light beam penetrate the 3rd deflector and convert second light beam to, and make this second light beam be projected to the dull and stereotyped optical splitter of this master, should main this second light beam of dull and stereotyped spectrophotometric reflection with order.
In the light engine of above-mentioned embodiment, this light valve is arranged at by on the projected path of this second light beam of the dull and stereotyped spectrophotometric reflection of this master, and converts those second light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
The present invention also provides a kind of projection arrangement, comprising: light engine of the present invention; And projection lens, be arranged on the projected path of this image strip behind the dull and stereotyped optical splitter of the master who penetrates this light engine.According to above-mentioned light engine and projection arrangement, the dull and stereotyped optical splitter of this master is polymeric membrane polarization optical splitter or quartz glass photogate optical splitter again.
Because the illuminating bundle that provides of this light source generator is polarization person, be with, this first light beam of separating of this first sub dull and stereotyped optical splitter has first polarization direction certainly, and this second light beam has second polarization direction; Described first polarization direction is the P polarization, and this second polarization direction is the S polarization; Perhaps, this first polarization direction can be the S polarization, and this second polarization direction can be the P polarization.In addition, 90 ° of the phase differential between this second light beam and first light beam, and 45 ° of phase differential between the 3rd light beam and first light beam.
By on can know that light engine of the present invention and projection arrangement are provided with the first sub dull and stereotyped optical splitter on the projected path of the illuminating bundle that this light source generator sent, this light beam is divided into first light beam and second light beam of 90 ° of phase differential; This second sub dull and stereotyped optical splitter then reflects this first light beam; Make the projected path of this first light beam and second light beam identical; And look on the projected path that is chosen in this second light beam or first light beam collocation first deflector or second deflector to obtain the light beam of identical polarization direction, again by main dull and stereotyped optical splitter will this identical polarization direction beam reflection to light valve to convert image strip into; Perhaps; The dull and stereotyped optical splitter of this master can supply the light beam of this identical polarization direction to penetrate; And the 3rd deflector and reverberator be set on the path that this light beam penetrates, in this light beam after the 3rd deflector and reverberator are handled, again by main dull and stereotyped spectrophotometric reflection to light valve to convert image strip into.The illuminating bundle that light engine of the present invention and projection arrangement can make light source generator send all converts image strip into; And pass through projection lens; So improve utilization ratio of optical energy effectively, and use polymeric membrane polarization optical splitter or quartz glass photogate optical splitter also to have the advantage that volume is less, cost is low.
Description of drawings
Fig. 1 is M343804 number the synoptic diagram of Taiwan patent " light engine and projection arrangement " in the prior art.
Fig. 2 is the first embodiment synoptic diagram of light engine of the present invention and projection arrangement.
Fig. 3 is the second embodiment synoptic diagram of light engine of the present invention and projection arrangement.
Fig. 4 is the 3rd an embodiment synoptic diagram of light engine of the present invention and projection arrangement.
Fig. 5 is the 4th an embodiment synoptic diagram of light engine of the present invention and projection arrangement.
The main element symbol description
10 light sources
100 light beams
100a first light beam
100b second light beam
11 macromolecule polar biased light splitting pieces
12 light valves
120 image strips
13 projection lens
2,2 ' light engine
20 light source generators
200 illuminating bundles
200a first light beam
200b second light beam
200c the 3rd light beam
21 first sub dull and stereotyped optical splitters
22 second sub dull and stereotyped optical splitters
23a first deflector
23b second deflector
23c the 3rd deflector
24 main dull and stereotyped optical splitters
25 light valves
250 image strips
26 projection lens
27 reverberators
S1 first polarization direction
S2 second polarization direction.
Embodiment
Below by particular specific embodiment embodiment of the present invention is described, be familiar with this technological personage and can understand other advantages of the present invention and effect easily by the content that this instructions disclosed.
Notice; The appended graphic structure that illustrates of this instructions, ratio, size etc.;,, be not all in order to limit the enforceable qualifications of the present invention for the understanding of being familiar with this technological personage and reading only in order to cooperate the content that instructions disclosed; So also technical essential meaning of tool not; The adjustment of the modification of any structure, the change of proportionate relationship or size not influencing under effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and get in the scope that can contain.Simultaneously, quoted in this instructions reach like " one " " on " etc. term, also be merely that to be convenient to narration clear; But not in order to limit the enforceable scope of the present invention; The change of its relativeness or adjustment are under no essence change technology contents, when also being regarded as the enforceable category of the present invention.
First embodiment
See also Fig. 2, be light engine of the present invention that the present invention disclosed and the first embodiment synoptic diagram of projection arrangement.As shown in the figure, light engine 2 of the present invention comprises: the sub dull and stereotyped optical splitter of the sub dull and stereotyped optical splitter of light source generator 20, first 21, second 22, the first deflector 23a, main dull and stereotyped optical splitter 24, and light valve 25.
Said light source generator 20 provides illuminating bundle 200, and the illuminating bundle 200 that this light source generator 20 sent is the polarization light source.
The said first sub dull and stereotyped optical splitter 21; Be arranged on the projected path of this illuminating bundle 200, and this illuminating bundle 200 is divided into first light beam 200a that reflects from this first sub dull and stereotyped optical splitter 21 and the second light beam 200b that penetrates this first sub dull and stereotyped optical splitter 21.The described first light beam 200a has the first polarization direction S1, and this second light beam 200b has the second polarization direction S2; Wherein, this first polarization direction S1 can be the P polarization, and this second polarization direction S2 is the S polarization; Or this first polarization direction S1 can be the S polarization, and this second polarization direction S2 is the P polarization, so the phase differential of the first light beam 200a and the second light beam 200b is 90 °.
The said second sub dull and stereotyped optical splitter 22 is arranged on the projected path of this first light beam 200a, and reflects this first light beam 200a.
The said first deflector 23a is half-wavelength (λ/2) plate, and is arranged on the projected path of this second light beam 200b, makes this second light beam 200b penetrate the first deflector 23a and converts the first light beam 200a to." convert to or through the first light beam 200a of conversion " mentioned at this and back literary composition refers to have same phase with this first light beam 200a of second sub dull and stereotyped optical splitter 22 reflections.
The dull and stereotyped optical splitter 24 of said master, can be the same with the second sub dull and stereotyped optical splitter 22 with this first sub dull and stereotyped optical splitter 21 be polymeric membrane polarization optical splitter or quartz glass photogate optical splitter.The dull and stereotyped optical splitter 24 of this master is arranged on the projected path of first light beam 200a of these second sub dull and stereotyped optical splitter 22 reflections and the first light beam 200a that this first deflector 23a changes, and reflects this 2 first light beam 200a.
Said light valve 25 is arranged at by on the projected path of those first light beams 200a of dull and stereotyped optical splitter 24 reflections of this master, and converts those first light beams 200a into image strip 250, and this image strip 250 penetrates the dull and stereotyped optical splitter 24 of this master.
According to the above light engine 2, the present invention also provides a kind of projection arrangement, comprising: light engine 2 and projection lens 26.
Said projection lens 26 is arranged on the projected path that penetrates this image strip 250 behind the dull and stereotyped optical splitter 24 of this master.
Second embodiment
See also Fig. 3, be light engine of the present invention that the present invention disclosed and the second embodiment synoptic diagram of projection arrangement.
The present embodiment and first embodiment are roughly the same; Its difference is that mainly present embodiment will be in order to the deflector of commutating optical beam polarization direction; The second deflector 23b of half-wavelength as shown in the figure (λ/2) plate is arranged on the projected path of the first light beam 200a of these second sub dull and stereotyped optical splitter 22 reflections; 200a penetrates and converts to the second light beam 200b for this first light beam, penetrates on the projected path of the second light beam 200b of this first sub dull and stereotyped optical splitter 21 and then is not provided with the first deflector 23a.Simultaneously, the dull and stereotyped optical splitter 24 of the master who is adopted in the present embodiment is in order to reflecting this 2 second light beam 200b, and light valve 25 converts those second light beams 200b into image strip 250, and this image strip 250 penetrates the dull and stereotyped optical splitter 24 of this master.The second light beam 200b that " convert to or through the second light beam 200b of conversion " mentioned at this and back literary composition was meant and penetrated this first sub dull and stereotyped optical splitter 21 has same phase.
The 3rd embodiment
See also Fig. 4, be light engine of the present invention that the present invention disclosed and the 3rd embodiment synoptic diagram of projection arrangement.As shown in the figure, light engine 2 ' of the present invention comprising: the sub dull and stereotyped optical splitter of the sub dull and stereotyped optical splitter of light source generator 20, first 21, second 22, the second deflector 23b, main dull and stereotyped optical splitter 24, the 3rd deflector 23c, reverberator 27, and light valve 25.
Said light source generator 20 provides illuminating bundle 200.
The said first sub dull and stereotyped optical splitter 21; Be arranged on the projected path of this illuminating bundle 200, and this illuminating bundle 200 is divided into first light beam 200a that reflects from this first sub dull and stereotyped optical splitter 21 and the second light beam 200b that penetrates this first sub dull and stereotyped optical splitter 21.
The said second sub dull and stereotyped optical splitter 22 is arranged on the projected path of this first light beam 200a, and reflects this first light beam 200a.
The said second deflector 23b is arranged on the projected path of the first light beam 200a of these second sub dull and stereotyped optical splitter 22 reflections, and 200a penetrates and convert to the second light beam 200b for this first light beam.
The dull and stereotyped optical splitter 24 of said master; Be arranged on the projected path of the second light beam 200b of the second light beam 200b that this first sub-optical splitter 21 penetrates and this second deflector 23b conversion, penetrate main dull and stereotyped optical splitter 24 for those second light beams 200b.
Said the 3rd deflector 23c is quarter-wave (λ/a 4) plate; And be arranged on the projected path of the second light beam 200b that penetrates the dull and stereotyped optical splitter 24 of this master; Penetrate and 45 ° of phase place deflections are become the 3rd light beam 200c for those second light beams 200b, with 45 ° of the phase differential that make the 3rd light beam 200c and this second light beam 200b.
Said reverberator 27; Can be catoptron and be arranged on the projected path of the 3rd light beam 200c that penetrates the 3rd deflector 23c; So that those the 3rd light beams 200c is reflected back into the 3rd deflector 23c; Make the 3rd light beam 200c penetrate the 3rd deflector 23c; With with 45 ° of the deflections and become the first light beam 200a again of the phase place of the 3rd light beam 200c, and make this first light beam 200a be projected to the dull and stereotyped optical splitter 24 of this master, should main dull and stereotyped optical splitter 24 this first light beam of reflection 200a with order.
Said light valve 25 is arranged at by on the projected path of dull and stereotyped optical splitter 24 this first light beam of the reflection 200a of this master, and converts those first light beams 200a into image strip 250, and this image strip 250 penetrates the dull and stereotyped optical splitter 24 of this master.
According to the above light engine 2 ', the present invention also provides a kind of projection arrangement, comprising: light engine 2 ' and projection lens 26.
Said projection lens 26 is arranged on the projected path that penetrates this image strip 250 behind the dull and stereotyped optical splitter 24 of this master.
The 4th embodiment
See also Fig. 5, be light engine of the present invention that the present invention disclosed and the 4th embodiment synoptic diagram of projection arrangement.
Present embodiment and the 3rd embodiment are roughly the same; Its difference is that mainly present embodiment will be in order to the deflector of commutating optical beam polarization direction; The first deflector 23a of half-wavelength as shown in the figure (λ/2) plate is arranged on the projected path of the second light beam 200b that penetrates this first sub dull and stereotyped optical splitter 21; 200b penetrates and converts to the first light beam 200a for this second light beam, then is not provided with the second deflector 23b on the projected path of the first light beam 200a of these second sub dull and stereotyped optical splitter 22 reflections.Simultaneously; The dull and stereotyped optical splitter 24 of the master who is adopted in the present embodiment supplies the first light beam 200a to penetrate; And in order to the second light beam 200b of reflection through the 3rd deflector 23c conversion; And light valve 25 converts those second light beams 200b into image strip 250, and this image strip 250 penetrates the dull and stereotyped optical splitter 24 of this master.
Light engine of the present invention and projection arrangement are provided with the first sub dull and stereotyped optical splitter on the projected path of the illuminating bundle that this light source generator sent, this light beam is divided into first light beam and second light beam of 90 ° of phase differential; This second sub dull and stereotyped optical splitter then reflects this first light beam; Make the projected path of this first light beam and second light beam identical, and look on the projected path that is chosen in this second light beam or first light beam collocation first deflector or second deflector to obtain the light beam of identical polarization direction.For example, be converted to first light beam with first deflector; Or convert second light beam to second deflector.Again by main dull and stereotyped optical splitter will this identical polarization direction beam reflection to light valve to convert image strip into; Perhaps; The dull and stereotyped optical splitter of this master can supply the light beam of this identical polarization direction to penetrate, and on the path that this light beam penetrates, the 3rd deflector and reverberator is set, in this light beam after the 3rd deflector converts the 3rd light beam to; Through reflector reflects; Penetrate the 3rd deflector again and convert the reflexible light beam of main dull and stereotyped optical splitter to, convert image strip into through light valve afterwards, and penetrate dull and stereotyped optical splitter of this master and projection lens.In view of the above; The illuminating bundle that light engine of the present invention and projection arrangement can make light source generator send all converts image strip into; And pass through projection lens; So improve utilization ratio of optical energy effectively, and use polymeric membrane polarization optical splitter or quartz glass photogate optical splitter also to have the advantage that volume is less, cost is low, high image quality and large-sized image more can be provided.
The foregoing description is in order to illustrative principle of the present invention and effect thereof, but not is used to limit the present invention.Any personage who is familiar with this technology all can make amendment to the foregoing description under spirit of the present invention and category.So rights protection scope of the present invention, should be listed like claim of the present invention.
Claims (26)
1. a light engine is characterized in that, comprising:
Light source generator provides illuminating bundle;
The first sub dull and stereotyped optical splitter is arranged on the projected path of this illuminating bundle, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter;
The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam;
First deflector is arranged on the projected path of this second light beam, makes this second light beam penetrate and convert to first light beam;
Main dull and stereotyped optical splitter is arranged on the projected path of first light beam of this second sub dull and stereotyped spectrophotometric reflection and first light beam that this first deflector is changed, and reflects this 2 first light beam; And
Light valve is arranged at by on the projected path of those first light beams of the dull and stereotyped spectrophotometric reflection of this master, and converts those first light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
2. light engine according to claim 1 is characterized in that, this first sub dull and stereotyped optical splitter, the second sub dull and stereotyped optical splitter and main dull and stereotyped optical splitter are selected from polymeric membrane polarization optical splitter or quartz glass photogate optical splitter separately.
3. light engine according to claim 1 is characterized in that the polarization direction of this first light beam is the P polarization, and the polarization direction of this second light beam is the S polarization.
4. light engine according to claim 1 is characterized in that the polarization direction of this first light beam is the S polarization, and the polarization direction of this second light beam is the P polarization.
5. light engine according to claim 1 is characterized in that, 90 ° of the phase differential between this second light beam and first light beam.
6. light engine according to claim 1 is characterized in that, this first deflector is a half-wave plate.
7. a light engine is characterized in that, comprising:
Light source generator provides illuminating bundle;
The first sub dull and stereotyped optical splitter is arranged on the projected path of this illuminating bundle, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter;
The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam;
Second deflector is arranged on the projected path of first light beam of this second sub dull and stereotyped spectrophotometric reflection, penetrates and convert to second light beam for this first light beam;
Main dull and stereotyped optical splitter is arranged on the projected path of second light beam of second light beam that penetrates this first sub dull and stereotyped optical splitter and the conversion of this second deflector, and reflects this 2 second light beam; And
Light valve is arranged at by on the projected path of those second light beams of the dull and stereotyped spectrophotometric reflection of this master, and converts those second light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
8. light engine according to claim 7 is characterized in that, this first sub dull and stereotyped optical splitter, the second sub dull and stereotyped optical splitter and main dull and stereotyped optical splitter are selected from separately and are polymeric membrane polarization optical splitter or quartz glass photogate optical splitter.
9. light engine according to claim 7 is characterized in that the polarization direction of this first light beam is the P polarization, and the polarization direction of this second light beam is the S polarization.
10. light engine according to claim 7 is characterized in that the polarization direction of this first light beam is the S polarization, and the polarization direction of this second light beam is the P polarization.
11. light engine according to claim 7 is characterized in that, this second deflector is a half-wave plate.
12. a light engine is characterized in that, comprising:
Light source generator provides illuminating bundle;
The first sub dull and stereotyped optical splitter is arranged on the projected path of this illuminating bundle, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter;
The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam;
Second deflector is arranged on the projected path of first light beam of this second sub dull and stereotyped spectrophotometric reflection, penetrates and convert to second light beam for this first light beam;
Main dull and stereotyped optical splitter is arranged on the projected path of second light beam of second light beam that this first sub-optical splitter penetrates and the conversion of this second deflector, penetrates for those second light beams;
The 3rd deflector is arranged on the projected path of second light beam that penetrates the dull and stereotyped optical splitter of this master, penetrates and convert to the 3rd light beam for those second light beams;
Reverberator; Be arranged on the projected path of the 3rd light beam that penetrates the 3rd deflector; So that those the 3rd beam reflection are back to the 3rd deflector; Make the 3rd light beam penetrate the 3rd deflector and convert first light beam to, and make this first light beam be projected to the dull and stereotyped optical splitter of this master, should main this first light beam of dull and stereotyped spectrophotometric reflection with order; And
Light valve is arranged at by on the projected path of this first light beam of the dull and stereotyped spectrophotometric reflection of this master, and converts those first light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
13. light engine according to claim 12 is characterized in that, this first sub dull and stereotyped optical splitter, the second sub dull and stereotyped optical splitter and main dull and stereotyped optical splitter are selected from separately and are polymeric membrane polarization optical splitter or quartz glass photogate optical splitter.
14. light engine according to claim 12 is characterized in that, the polarization direction of this first light beam is the P polarization, and the polarization direction of this second light beam is the S polarization.
15. light engine according to claim 12 is characterized in that, the polarization direction of this first light beam is the S polarization, and the polarization direction of this second light beam is the P polarization.
16. light engine according to claim 12 is characterized in that, 90 ° of the phase differential between this second light beam and first light beam.
17. light engine according to claim 12 is characterized in that, 45 ° of the phase differential between the 3rd light beam and first light beam.
18. light engine according to claim 12 is characterized in that, this second deflector is a half-wave plate; The 3rd deflector is a quarter wave plate.
19. a light engine is characterized in that, comprising:
Light source generator provides illuminating bundle;
The first sub dull and stereotyped optical splitter is arranged on the projected path of this illuminating bundle, and this illuminating bundle is divided into from first light beam of this first sub dull and stereotyped spectrophotometric reflection and penetrates second light beam of this first sub dull and stereotyped optical splitter;
The second sub dull and stereotyped optical splitter is arranged on the projected path of this first light beam, and reflects this first light beam;
First deflector is arranged on the projected path of this second light beam, makes this second light beam penetrate and convert to first light beam;
Main dull and stereotyped optical splitter is arranged on the projected path of first light beam of this second sub-spectrophotometric reflection and first light beam that this first deflector is changed, and penetrates for those first light beams;
The 3rd deflector is arranged on the projected path of first light beam that penetrates the dull and stereotyped optical splitter of this master, penetrates and convert to the 3rd light beam for those first light beams;
Reverberator; Be arranged on the projected path of the 3rd light beam that penetrates the 3rd deflector; So that those the 3rd beam reflection are back to the 3rd deflector; Make the 3rd light beam penetrate the 3rd deflector and convert second light beam to, and make this second light beam be projected to the dull and stereotyped optical splitter of this master, should main this second light beam of dull and stereotyped spectrophotometric reflection with order; And
Light valve is arranged at by on the projected path of this second light beam of the dull and stereotyped spectrophotometric reflection of this master, and converts those second light beams into image strip, and this image strip penetrates the dull and stereotyped optical splitter of this master.
20. light engine according to claim 19 is characterized in that, this first sub dull and stereotyped optical splitter, the second sub dull and stereotyped optical splitter and main dull and stereotyped optical splitter are selected from separately and are polymeric membrane polarization optical splitter or quartz glass photogate optical splitter.
21. light engine according to claim 19 is characterized in that, the polarization direction of this first light beam is the P polarization, and the polarization direction of this second light beam is the S polarization.
22. light engine according to claim 19 is characterized in that, the polarization direction of this first light beam is the S polarization, and the polarization direction of this second light beam is the P polarization.
23. light engine according to claim 19 is characterized in that, 90 ° of the phase differential between this second light beam and first light beam.
24. light engine according to claim 19 is characterized in that, 45 ° of the phase differential between the 3rd light beam and first light beam.
25. light engine according to claim 19 is characterized in that, this first deflector is a half-wave plate; The 3rd deflector is a quarter wave plate.
26. a projection arrangement is characterized in that, comprising:
According to each light engine in the claim 1 to 25; And
Projection lens is arranged on the projected path of this image strip behind the dull and stereotyped optical splitter of the master who penetrates this light engine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100107057 | 2011-03-03 | ||
| TW100107057A TW201237538A (en) | 2011-03-03 | 2011-03-03 | Optical engine and projection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102654646A true CN102654646A (en) | 2012-09-05 |
| CN102654646B CN102654646B (en) | 2014-07-23 |
Family
ID=46730287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110075864.6A Expired - Fee Related CN102654646B (en) | 2011-03-03 | 2011-03-24 | Optical engine and projection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102654646B (en) |
| TW (1) | TW201237538A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953999A (en) * | 2017-04-17 | 2017-07-14 | 苏州佳世达电通有限公司 | Scanning means |
| CN110389453A (en) * | 2019-08-05 | 2019-10-29 | 深圳市嘉德顺电子科技有限公司 | The highlighted solid 3D equipment of one kind |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2634506Y (en) * | 2003-09-02 | 2004-08-18 | 北京电影机械研究所 | Lighting system for optical engine and space light modulator |
| CN1854807A (en) * | 2005-04-25 | 2006-11-01 | 三星电子株式会社 | Illumination unit and image projection apparatus having the same |
-
2011
- 2011-03-03 TW TW100107057A patent/TW201237538A/en unknown
- 2011-03-24 CN CN201110075864.6A patent/CN102654646B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2634506Y (en) * | 2003-09-02 | 2004-08-18 | 北京电影机械研究所 | Lighting system for optical engine and space light modulator |
| CN1854807A (en) * | 2005-04-25 | 2006-11-01 | 三星电子株式会社 | Illumination unit and image projection apparatus having the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953999A (en) * | 2017-04-17 | 2017-07-14 | 苏州佳世达电通有限公司 | Scanning means |
| CN110389453A (en) * | 2019-08-05 | 2019-10-29 | 深圳市嘉德顺电子科技有限公司 | The highlighted solid 3D equipment of one kind |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201237538A (en) | 2012-09-16 |
| CN102654646B (en) | 2014-07-23 |
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