CN102650809A - Light source system and projector containing same - Google Patents

Light source system and projector containing same Download PDF

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Publication number
CN102650809A
CN102650809A CN2011100504512A CN201110050451A CN102650809A CN 102650809 A CN102650809 A CN 102650809A CN 2011100504512 A CN2011100504512 A CN 2011100504512A CN 201110050451 A CN201110050451 A CN 201110050451A CN 102650809 A CN102650809 A CN 102650809A
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light
wave band
source system
transition region
triband
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CN2011100504512A
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CN102650809B (en
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黄俊杰
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Delta Optoelectronics Inc
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Delta Optoelectronics Inc
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Abstract

The invention relates to a light source system and a projector containing the same. The projector includes an imaging system and the light source system. The light source system includes a first light source, a light splitting element, at least one light condensation element, a rotary table and a light gathering element. The first light source provides a first waveband light, the rotary table is provided with at least one waveband conversion area and a reflection area. After passing through the light splitting element and the at least one light condensation element, the first waveband light can be focused to the at least one waveband conversion area to be converted into a second waveband light, or is focused on the reflection area to reflect the first waveband light. The second waveband light and the reflected first waveband light are focused to the light gathering element by the at least one light condensation element.

Description

Light-source system and comprise the projection arrangement of this light-source system
Technical field
The projection arrangement that the invention relates to a kind of light-source system and comprise light-source system.In more detail, the present invention is a kind of projection arrangement that specific band light is carried out the light-source system of wavelength Conversion and uses this light-source system.
Background technology
In recent years because the manufacturing technology of projection arrangement promotes the compact market mainstream that become of projection arrangement gradually.The demand of market seeking change and innovation has promoted the Continual Improvement of projection arrangement design, and projection arrangement manufacturer must develop that various differences are more small-sized, efficient better, image quality better projection arrangement in response to ground, uses and meets the need of market.
Please referring to Fig. 1; Promptly disclose a kind of projection arrangement 1 like the 7th, 547, No. 114 patent cases of the U.S.; Its light-source system 11 is to adopt single light source to be projected to the mode of colour wheel 112; And green fluorescent material and red fluorescence material be arranged on the colour wheel 112, use the blu-ray reflection that a blue solid state light emitter 111 (like light emitting diode or laser) is launched or convert green glow to or ruddiness, provide with the rear end imaging system and be carried out to picture.Yet it is too low to use this technological projection arrangement luminescence efficiency, and can consume a large amount of light ray energy.
Please referring to Fig. 2; Shown in be the light-source system 21 of another kind of existing projector 2; The Wavelength changing element 213 that it utilizes blue solid state light emitter 211, red light-emitting diode 212 and has green fluorescent material; Replace the mode that the use single light source is projected to colour wheel, and light focusing to the imaging system after will reflecting or change is with convenient imaging.But because blue light needs just to be able to and the green glow and the red actinic light that form through conversion through after repeatedly reflecting, behind the blue light process multipath reflection, its light ray energy will significantly be lost; Moreover; Because of the emission light of light emitting diode belongs to scattered light, converge light improving luminescence efficiency so must a plurality of collective opticses will concentrate, but thus; Projector 2 certainly will need bigger internal volume side to be enough to hold collective optics, can't meet demand compact on the market.
In sum, how to make projection arrangement have the light-source system and the smaller volume of greater efficiency simultaneously, and the uneven problem of color that can reduce the waste of light ray energy simultaneously and avoid display frame, this still needs the target of effort badly for industry.
Summary of the invention
A purpose of the present invention is to provide a kind of light-source system, and this light-source system can be applicable on the projection arrangement, uses to make the projection arrangement miniaturization and promote luminescence efficiency.
For reaching aforementioned purpose, the present invention provides a kind of projection arrangement, and it comprises an imaging system and a light-source system.Light-source system comprises one first light source, a beam splitter, at least one collective optics, a rotating disk and a light collecting element.First light source provides one first wave band light.At least one collective optics has an optical axis.Rotating disk has an at least one wave band transition region and a reflector space, and rotating disk is arranged at one first side of optical axis.Light collecting element is arranged at one second side of optical axis, and light collecting element is provided with respect to optical axis and rotating disk conjugation.The first wave band light just focuses at least one wave band transition region or the reflector space after passing through beam splitter and at least one collective optics.When the first band of light line focus during at least one wave band transition region, the first wave band light converts one second wave band light into, focuses to light collecting element by at least one collective optics again.In addition, when the first band of light line focus during in reflector space, this first wave band light of reflector space reflection focuses to light collecting element by at least one collective optics again.
The invention has the beneficial effects as follows: light-source system of the present invention can carry out optimized utilization with light source, uses the display frame brightness of the projection arrangement of light-source system of the present invention with raising, and reduces the uneven problem of its color.Meanwhile, use the projection arrangement of light-source system of the present invention can also avoid configuration because of too complicated light source component, and the problem that causes the volume of excessive use or the projection arrangement of the energy to increase.
Behind the embodiment of consulting accompanying drawing and describing subsequently, affiliated technical field has common knowledge the knowledgeable and just can understand other purpose of the present invention, advantage and technological means of the present invention and implement aspect.
Description of drawings
Fig. 1 is the synoptic diagram of an existing projection arrangement;
Fig. 2 is the synoptic diagram of another existing projection arrangement;
Fig. 3 is the projection arrangement synoptic diagram of first embodiment of the invention;
Fig. 4 is the first light source synoptic diagram of the projection arrangement of first embodiment of the invention;
Fig. 5 is the rotating disk synoptic diagram of the projection arrangement of first embodiment of the invention;
Fig. 6 is the synoptic diagram of the projection arrangement of second embodiment of the invention; And
Fig. 7 is the rotating disk synoptic diagram of the projection arrangement of second embodiment of the invention.
Embodiment
Below will explain content of the present invention, the projection arrangement that the invention relates to a kind of light-source system and use this light-source system through embodiment.Projection arrangement can be that digit optical is handled (Digital Light Processing; DLP) projection display or liquid crystal (Liquid Crystal Display; LCD) projection display etc. has the equipment of Projection Display function.What need explanation is, in following embodiment and accompanying drawing, is merely explaination the object of the invention about the explanation of embodiment; But not in order to direct restriction the present invention; Simultaneously, in following examples and the accompanying drawing, all omit and do not illustrate with the non-directly related element of the present invention; And each interelement size relationship is merely and asks easy understanding in the accompanying drawing, and is non-in order to the restriction actual ratio.
The first embodiment of the present invention is a kind of light-source system 3 that is used for a projection arrangement (scheming not shown), and its synoptic diagram is as shown in Figure 3.Projection arrangement comprises a light-source system 3 and an imaging system (scheming not shown).The light-source system 3 of projection arrangement is in order to providing a light, and exports light to imaging system, so that imaging system is shown as a projected picture with image formation by rays.The light-source system 3 of first embodiment of the invention comprises one first light source 31, a beam splitter 32, two collective opticses 33, a rotating disk 34, a light collecting element 35 and a light recycling member 36.
Please simultaneously comprise a plurality of blue laser light sources 311 and a plurality of catoptron 313 with reference to figure 3, the first light sources 31, so that a plurality of first wave band light 312 to be provided, and the first wave band light 312 is the light in the blue wave band scope.Wherein, shown in Figure 4 is the synoptic diagram of first light source 31 among Fig. 3, through transparent part in the catoptron 313 314 and reflecting part 316, can the light of a plurality of first wave band light 312 be concentrated to same direction and penetrate.Therefore, just can strengthen the light intensity of the first wave band light 312 by this.So the need explanation is, the first light source set-up mode of the present invention does not exceed with above-mentioned, and knowing this art can also substitute by other light source framework.
Beam splitter 32 has a spectrum part 321 and a reflecting part 322, and wherein spectrum part 321 allows the first wave band light 312 to pass through, and reflects one second wave band light 3111 and a triband light 3112.The reflecting part 322 reflection first wave band light 312, second wave band light 3111 and the triband light 3112.In present embodiment, the second wave band light 3111 is the light in the green wavelength band, and triband light 3112 is the light in the red wavelength band.In other words, when the first wave band light 312 (blue light) when being projected to beam splitter 32, will be directly through spectrum part 321 or by reflecting part 322 reflections; When the second wave band light 3111 (green glow) or triband light 3112 (ruddiness) when being projected to beam splitter 32, all can receive spectrum part 321 and reflecting part 322 reflections.
Two collective opticses 33 have an optical axis 331 jointly, and in present embodiment, each collective optics 33 is all convex lens.Implement to know this art and can spread to the collective optics of other number easily, have the aspect of the collective optics of various kenels or material in the aspect in of the present invention other.
Please be simultaneously with reference to figure 3 and Fig. 5, rotating disk 34 is one first sides that are arranged at optical axis 331, rotating disk 34 comprise a ring-type glass sheet and on a side surface definition one first wave band transition region 344, one second wave band transition region 346 and a reflector space 342 are arranged.The first wave band transition region, 344 coatings, one green fluorescent material is in glass surface, in order to convert the first wave band light 312 to second wave band light 3111; And the second wave band transition region, 346 coatings, one red fluorescence material is in glass surface, in order to the first wave band light 312 is converted into a triband light 3112; Glass back in these two zones then is the plated film of 312 transmissions of the first wave band light, the second wave band light 3111 and 3112 reflections of triband light; 342 of reflector spaces are the reflection first wave band light 312.Through second wave band light 3111 and the triband light 3112 of conversion, and the first wave band light 312 through reflecting, all will focus on by collective optics 33.In the present invention, reflector space can be coating one reflective material, or directly processes with catoptron.In addition, in the present embodiment, the area ratio that the first wave band transition region 344, the second wave band transition region 346 and 342 of reflector spaces are coated on the rotating disk 34 is 2: 5: 3; Knowing this art can be according to the needs of the intensity of light source and color representation, the area ratio of appropriateness each zone of adjustment on rotating disk.
Light collecting element 35 is arranged at one second side of optical axis 331, and light collecting element 35 is that wherein light collecting element 35 can be an optical channel or a light harvesting post with respect to optical axis 331 and rotating disk 34 conjugation settings.
Below will introduce the operating mechanism of the light-source system 3 of present embodiment in detail.
The blue laser light source 311 emissions first wave band light 312 when first light source 31; Through catoptron 313 312 guidings of whole first wave band light are the equidirectional spectrum part 321 that passes through beam splitter 32; Through collective optics 33 the first wave band light 312 is focused to the reflector space 342 on the rotating disk 34 again; The reflector space 342 meeting reflections this moment first wave band light 312 is to pass through collective optics 33; Reflecting part through the beam splitter 32 322 reflections first wave band light 312 again, collective optics 33 focuses to light collecting element 35 to carry out all light, and first wave band light 312 to the imaging system after providing evenly by light collecting element 35 again is carried out to picture.
Because rotating disk 34 is to adopt the conjugation setting with respect to optical axis 331 with light collecting element 35; And the dispersion angle of the first wave band light 312 that provides because of blue laser light source 311 is little and concentrated; So the first wave band light 312 of reflector space 342 reflections on the process rotating disk 34 is after passing through collective optics 33; Can't advance toward spectrum part 321, only can be incident upon reflecting part 322 reflecting, and focus on the light collecting element 35 that is provided with rotating disk 34 conjugation.
Likewise; The blue laser light source 311 emissions first wave band light 312 when first light source 31; Is equidirectional through catoptron 313 with 312 guidings of whole first wave band light; Then the first wave band light 312 is focused to the first wave band transition region 344 on the rotating disk 34 through spectrum part 321 and through collective optics 33; The first wave band light 312 can convert the second wave band light 3111 into and return through collective optics 33 at this moment; After spectrum part 321 through beam splitter 32 and reflecting part 322 reflections, collective optics 33 focuses to light collecting element 35 to carry out all light with the second wave band light 3111 again, and second wave band light 3111 to the imaging system after providing evenly by light collecting element 35 again is carried out to picture.
What this must specify be; Since the first wave band light 312 through the first wave band transition region 344 after, have the fraction first wave band light 312 and pass the first wave band transition region 344, cause the waste of light; So light recycling member 36 is set in rotating disk 34 rears; With the first wave band light 312 reflection that penetrates the first wave band transition region 344, and focus to the first wave band transition region 344 converting the second wave band light 3111 once more into, be incident upon spectrum part 321 and reflecting part 322 reflects through collective optics 33; And focus to light collecting element 35 by collective optics 33, be carried out to picture to provide to imaging system.The recovery that just can reach light is by this used, and avoids fiber-loss.In this embodiment, light recycling member 36 is spherical reflectors.
Utilize and above-mentioned similar principle; The blue laser light source 311 emissions first wave band light 312 when first light source 31; Is equidirectional through catoptron 313 with 312 guidings of whole first wave band light; Then the first wave band light 312 is focused to the second wave band transition region 346 on the rotating disk 34 through spectrum part 321 and through collective optics 33; The first wave band light 312 can convert triband light 3112 into and return through collective optics 33 and reflect through the spectrum part 321 and the reflecting part 322 of beam splitter 32 this moment; Collective optics 33 focuses to light collecting element 35 to carry out all light with triband light 3112, and triband light 3112 to the imaging system after providing evenly by light collecting element 35 again is carried out to picture.
At last; Light collecting element 35 will belong to the first wave band light 312 of blue wave band, the triband light 3112 that belongs to the second wave band light 3111 of green light band and belong to red spectral band exports imaging system to; So that imaging system is carried out to picture through the aforesaid first wave band light 312, the second wave band light 3111 and triband light 3112, throw and demonstrate a projected picture.
The second embodiment of the present invention is a kind of light-source system 4 that is used for a projection arrangement (scheming not shown), and its synoptic diagram is as shown in Figure 6.Projection arrangement comprises a light-source system 4 and an imaging system (scheming not shown).The light-source system 4 of projection arrangement is in order to providing a light, and exports light to imaging system, so that imaging system shows a projected picture with image formation by rays.The light-source system 4 of second embodiment of the invention comprises one first light source 41, a beam splitter 42, two collective opticses 43, a rotating disk 44, a light collecting element 45, a light recycling member 46 and a secondary light source 47.Each element of present embodiment is similar with last embodiment, and sincerely details are as follows.
Please simultaneously comprise a plurality of blue laser light sources 411 and a plurality of catoptron 413 with reference to figure 4, the first light sources 41, in order to a plurality of first wave band light 412 to be provided, and the first wave band light 412 is the light in the blue wave band scope.Likewise, first light source 41 also adopts the design similar with first light source 31 of last embodiment, uses the light intensity of strengthening the first wave band light 412.
47 of secondary light sources comprise a red light emitting diodes, and (Light Emitting Diode, LED), in order to a triband light 471 to be provided, and triband light 471 is the light in the red wavelength band.
Beam splitter 42 has one first spectrum part 421 and one second spectrum part 422, and wherein first spectrum part 421 allows the first wave band light 412 and a triband light 471 to pass through, and reflects one second wave band light 4111; And second spectrum part 422 allows triband light 471 to pass through, and reflects the first wave band light 412 and the second wave band light 4111, and wherein the second wave band light 4111 of present embodiment is the light in the green wavelength band.In other words, when the first wave band light 412 (blue light) when being projected to beam splitter 42, will be directly through first spectrum part 421 or by 422 reflections of second spectrum part; When the second wave band light 4111 (green glow) when being projected to beam splitter 42, all can receive first spectrum part 421 and 422 reflections of second spectrum part; When triband light 4112 (ruddiness) when being projected to beam splitter 42, then can directly pass through first spectrum part 421 and second spectrum part 422.
Two collective opticses 43 have an optical axis 431 jointly, and in present embodiment, each collective optics 43 is all convex lens.Implement to know this art and can spread to the collective optics of other number easily, have the aspect of the collective optics of various kenels or material in the aspect in of the present invention other.
Please again with reference to figure 7; Rotating disk 44 is arranged at one first side of optical axis 431; Rotating disk 44 comprises a ring-type glass sheet and on a side surface, defines has a wave band transition region 441 and a reflector space 442; And wave band transition region 441 coatings one green fluorescent material is in glass surface, in order to the first wave band light 412 is converted to the second wave band light 4111; In this regional glass back then is the plated film of 412 transmissions of the first wave band light, 4111 reflections of the second wave band light; 442 of reflector spaces are the reflection first wave band light 412.Through the second wave band light 4111 and the first wave band light 412 of conversion, all will focus on by collective optics 43 through reflecting.One area of its medium wave band transition region 441 is relevant with a work period (duty cycle) of secondary light source 47 with an area of reflector space 442.In the present invention, reflector space can be coating one reflective material, or directly processes with catoptron.
Light collecting element 45 is arranged at one second side of optical axis 431, and light collecting element 45 is that wherein light collecting element 45 can be an optical channel or a light harvesting post with respect to optical axis 431 and rotating disk 44 conjugation settings.
Below will introduce the operating mechanism of the light-source system 4 of present embodiment in detail.
When first light source 41 is opening and secondary light source 47 when being closed condition; The blue laser light source 411 emissions first wave band light 412 of first light source 41; Through catoptron 413 412 guidings of whole first wave band light are equidirectional first spectrum part 421 that passes through beam splitter 42; Through collective optics 43 the first wave band light 412 is focused to the reflector space 442 on the rotating disk 44 again; The reflector space 442 meeting reflections this moment first wave band light 412 is to pass through collective optics 43; Through second spectrum part 422 reflection, the first wave band light 412 of beam splitter 42, focus to light collecting element 45 to carry out all light by collective optics 43 again, first wave band light 412 to the imaging system that provides after providing evenly by light collecting element 45 again is carried out to picture.
Because rotating disk 44 is to adopt the conjugation setting with respect to optical axis 431 with light collecting element 45; And the dispersion angle of the first wave band light 412 that provides because of blue laser light source 411 is little and concentrated; So the first wave band light 412 of reflector space 442 reflections on the process rotating disk 44 is after passing through collective optics 43; Can't advance toward first spectrum part 421, only can reflect, and focus on the light collecting element 45 that is provided with rotating disk 44 conjugation by second spectrum part 422.
Likewise; When first light source 41 is opening and secondary light source 47 when being closed condition; The blue laser light source 411 emissions first wave band light 412 of first light source 41; Is equidirectional through catoptron 413 with 412 guidings of whole first wave band light; Then through collective optics 43 the first wave band light 412 is focused to the wave band transition region 441 on the rotating disk 44 again through first spectrum part 421, the first wave band light 412 can convert the second wave band light 4111 into and return through collective optics 43 at this moment, and first spectrum part 421 and second spectrum part 422 through beam splitter 42 reflects again; Collective optics 43 focuses to light collecting element 45 to carry out all light with the second wave band light 4111, and second wave band light 4111 to the imaging system after providing evenly by light collecting element 45 again is carried out to picture.
Identical ground with last embodiment; Rotating disk 44 rears are provided with light recycling member 46 equally, use the first wave band light 412 that reflection penetrates wave band transition region 441, with the first wave band light, 412 reflections that penetrate wave band transition region 441; Recovery to reach light is used, and avoids fiber-loss.
And be closed condition and secondary light source 47 when being opening when first light source 41; Triband light 471 just directly provides through secondary light source 47; Triband light 471 focuses to light collecting element 45 through beam splitter 42 and by collective optics 43, provides triband light 471 to imaging system to be carried out to picture.
At last; Light collecting element 45 will belong to the first wave band light 412 of blue wave band, the triband light 471 that belongs to the second wave band light 4111 of green light band and belong to red spectral band exports imaging system to; So that imaging system is carried out to picture through the aforesaid first wave band light 412, the second wave band light 4111 and triband light 471, throws and show a projected picture.
The all visual demand in the number of elements of above-mentioned each embodiment and position is adjusted, and for example, in first embodiment, can increase a plurality of collective opticses 35, and the first wave band light 312 is concentrated on the rotating disk 34 more; Rotating disk 34 also can be coated with the fluorophor of other color, to reach different imaging color demands, make color can be more bright-coloured, colour developing or improve brightness; In addition, also can light recycling member 36 be removed, reduce manufacturing cost and volume.In second embodiment, can increase a plurality of collective opticses 43, the first wave band light 412 is concentrated on the rotating disk 44 more, and make triband light 471 can also focus on light collecting element 45; Or secondary light source 47 changed the use red laser light source, so that triband light 471 is more concentrated; And rotating disk 44 also can be coated with the fluorophor of other color, makes that the color after the imaging can be more bright-coloured, colour developing or improve brightness; In addition, also can light recycling member 46 be removed.
In sum; Under light-source system of the present invention can use at the volume of minimum; Utilize independently the blue laser light source and have the wavelength conversion region of red fluorescence material and green fluorescent material; The wavelength conversion region of perhaps utilizing independently blue laser light source, red light-emitting diode and having green fluorescent material replaces and uses single light source to be projected to the mode of colour wheel, and can increase the light intensity of light-source system effectively; And; By light-source system of the present invention; It is through the effect between the wavelength conversion region of blue light-emitting diode and tool green fluorescent material; Use replacement one green light LED and produce green glow, and then promote the intensity of light source of green glow, then the conventional lighting sources system causes the low problem of green emitting efficient not existed because of using green light LED.Thus, through light-source system of the present invention, can significantly improve existing problem in the existing projection arrangement.
The above embodiments enforcement aspect of the present invention that only is used for giving an example, and explain technical characterictic of the present invention, be not to be used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, rights protection scope of the present invention should be as the criterion with claim.

Claims (22)

1. a light-source system is characterized in that, comprises:
One first light source provides one first wave band light;
One beam splitter;
At least one collective optics has an optical axis;
One rotating disk has an at least one wave band transition region and a reflector space, and this rotating disk is arranged at one first side of this optical axis; And
One light collecting element be arranged at one second side of this optical axis, and this light collecting element is with respect to this optical axis and this rotating disk conjugation setting;
After wherein this first wave band light reaches this at least one collective optics through this beam splitter, focus on this at least one wave band transition region or this reflector space;
When this first band of light line focus during in this at least one wave band transition region, this first wave band light converts one second wave band light into, focuses to this light collecting element by this at least one collective optics again;
When this first band of light line focus during in this reflector space, this this first wave band light of reflector space reflection focuses to this light collecting element by this at least one collective optics again.
2. light-source system according to claim 1 is characterized in that, this first light source comprises a plurality of blue laser light sources, and this first wave band light is a blue ray.
3. light-source system according to claim 2 is characterized in that, this first light source also comprises a plurality of catoptrons.
4. light-source system according to claim 2 is characterized in that, this second wave band light is a green light.
5. light-source system according to claim 4; It is characterized in that; This at least one wave band transition region comprises one first wave band transition region and one second wave band transition region, and when this first band of light line focus during in this first wave band transition region, this first wave band light converts this second wave band light into; When this first band of light line focus during in this second wave band transition region, this first wave band light converts a triband light into.
6. light-source system according to claim 5 is characterized in that this triband light is a red light.
7. light-source system according to claim 5 is characterized in that, this first wave band transition region and this second wave band transition region are coated with a green fluorescent material and a red fluorescence material respectively.
8. light-source system according to claim 5 is characterized in that, an area ratio of this first wave band transition region, this second wave band transition region and this reflector space is 2: 5: 3.
9. light-source system according to claim 5; It is characterized in that; This light-source system also comprises a light recycling member; Make this first band of light line reflection that penetrates this first wave band transition region and focus to this first wave band transition region and convert this second wave band light to, and make this first band of light line reflection that penetrates this second wave band transition region and focus to this second wave band transition region and convert this triband light to.
10. light-source system according to claim 6; It is characterized in that; This beam splitter has a spectrum part and a reflecting part; Wherein this spectrum part allow this first wave band light through and reflect this second wave band light and this triband light, this reflecting part reflection this first wave band light, this second wave band light and this triband light.
11. light-source system according to claim 10; It is characterized in that; This at least one collective optics makes this first band of light line focus through this spectrum part on this at least one wave band transition region or this reflector space, and will through this second wave band light of this spectrum part reflection and this triband light with through this first wave band light, this second wave band light and this triband light focusing of this reflecting part reflection in this light collecting element.
12. light-source system according to claim 4 is characterized in that, also comprises a secondary light source, so that a triband light to be provided.
13. light-source system according to claim 12 is characterized in that, this secondary light source comprises a plurality of red light-emitting diodes, and this triband light is a red light.
14. light-source system according to claim 12 is characterized in that, this at least one wave band transition region is coated with a green fluorescent material.
15. light-source system according to claim 13; It is characterized in that; This light-source system also comprises a light recycling member, makes this first band of light line reflection that penetrates this at least one wave band transition region and focuses to this at least one wave band transition region and convert this second wave band light to.
16. light-source system according to claim 13; It is characterized in that; This beam splitter has one first spectrum part and one second spectrum part; Wherein this first spectrum part allow this first wave band light and this triband light through and reflect this second wave band light, this second spectrum part allow this triband light through and reflect this first wave band light and this second wave band light.
17. light-source system according to claim 16; It is characterized in that; This at least one collective optics makes this first band of light line focus through this first spectrum part on this at least one wave band transition region or this reflector space; And will through this second wave band light of this first spectrum part reflection with through this first wave band light of this second spectrum part reflection and this second band of light line focus in this light collecting element, and with this triband light focusing in this light collecting element.
18. light-source system according to claim 12 is characterized in that, an area of this at least one wave band transition region is relevant with a work period of this secondary light source with an area of this reflector space.
19., it is characterized in that this at least one collective optics comprises two collective opticses according to claim 11 or 17 described light-source systems, respectively this collective optics is convex lens.
20. light-source system according to claim 1 is characterized in that, this light collecting element is an optical channel or a light harvesting post.
21. a projection arrangement is characterized in that, comprises:
A kind of light-source system according to claim 1 is to provide a light; And
One imaging system, this light that this light-source system is provided is carried out to picture.
22. projection arrangement according to claim 21 is characterized in that, this light comprises this first wave band light, this second wave band light and a triband light.
CN201110050451.2A 2011-02-25 2011-02-25 Light source system and projector containing same Expired - Fee Related CN102650809B (en)

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US10386710B2 (en) 2017-03-31 2019-08-20 Coretronic Corporation Projector and illumination system thereof
CN111077720A (en) * 2018-10-18 2020-04-28 深圳光峰科技股份有限公司 Light source system and display device
US10732495B2 (en) 2014-05-02 2020-08-04 Coretronic Corporation Illumination system, projection apparatus and method for driving illumination system
US11022867B2 (en) 2018-07-10 2021-06-01 Coretronic Corporation Illumination system having wavelength conversion device and projection device having the same

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