CN102650809B - Light source system and projector containing same - Google Patents
Light source system and projector containing same Download PDFInfo
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- CN102650809B CN102650809B CN201110050451.2A CN201110050451A CN102650809B CN 102650809 B CN102650809 B CN 102650809B CN 201110050451 A CN201110050451 A CN 201110050451A CN 102650809 B CN102650809 B CN 102650809B
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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
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 a kind ofly carries out specific band light the light-source system of wavelength conversion and uses the projection arrangement of this light-source system.
Background technology
In recent years because the manufacturing technology of projection arrangement promotes gradually, the compact market mainstream that become of projection arrangement.The demand of market seeking change and innovation has promoted the Continual Improvement of projection arrangement design, and projection arrangement manufacturer must develop in response to ground that various differences are more small-sized, efficiency better, image quality better projection arrangement, uses and meets the need of market.
Please refer to Fig. 1, as the U.S. the 7th, 547, No. 114 Patent Case discloses a kind of projection arrangement 1, 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 are arranged on a colour wheel 112, use the blu-ray reflection that a blue solid state light emitter 111 (as light emitting diode or laser) is launched or convert green glow to or ruddiness, provide with rear end imaging system and carry out imaging.But the projection arrangement luminescence efficiency of applying this technology is too low, and can consume a large amount of light ray energy.
Please refer 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 and use single light source to be projected to the mode of colour wheel, and by the light focusing after reflection or conversion to imaging system to facilitate imaging.But because blue light need be after multiple reflections, be just able to and the green glow and the red actinic light that form through conversion, blue light is after multipath reflection, and its light ray energy will significantly be lost; Moreover, because the emission of light of light emitting diode belongs to scattered light, therefore concentrating, the multiple collective opticses of palpus converge light to improve luminescence efficiency, but thus, projector 2 certainly will need larger internal volume side to be enough to hold collective optics, cannot meet demand compact on market.
In sum, how to make projection arrangement have the light-source system of greater efficiency and less volume simultaneously, and can reduce the waste of light ray energy and avoid the problem of the color inequality of display frame, this is the target that industry is still needed effort badly simultaneously.
Summary of the invention
An object of the present invention is to provide a kind of light-source system, and this light-source system can be applicable on projection arrangement, uses and makes projection arrangement miniaturization and improving luminous efficiency.
For reaching aforementioned object, the invention provides a kind of projection arrangement, 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.The first light source provides one first wave band light.At least one collective optics has an optical axis.Rotating disk has at least one spectrum conversion 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 arranges with respect to optical axis and rotating disk conjugation.The first wave band light passes through, after beam splitter and at least one collective optics, just to focus at least one spectrum conversion region or reflector space.When the first wave band light focusing is during at least one spectrum conversion region, the first wave band light is converted to one second wave band light, then focuses to light collecting element by least one collective optics.In addition,, when the first wave band light focusing is during in reflector space, reflector space reflects this first wave band light, then focuses to light collecting element by least one collective optics.
The invention has the beneficial effects as follows: light-source system of the present invention can carry out optimized utilization by light source, to improve the display frame brightness of the projection arrangement that uses light-source system of the present invention, and reduce the problem of its color inequality.Meanwhile, use the projection arrangement of light-source system of the present invention can also avoid the configuration because of too complicated light source component, and the problem that causes the excessive use of the energy or the volume of projection arrangement to increase.
After the embodiment of consulting accompanying drawing and describe subsequently, affiliated technical field has knows that the knowledgeable just can understand other object of the present invention, advantage and technological means of the present invention and implement aspect conventionally.
Brief description of the drawings
Fig. 1 is the schematic diagram of an existing projection arrangement;
Fig. 2 is the schematic diagram of another existing projection arrangement;
Fig. 3 is the projection arrangement schematic diagram of first embodiment of the invention;
Fig. 4 is the first light source schematic diagram of the projection arrangement of first embodiment of the invention;
Fig. 5 is the rotating disk schematic diagram of the projection arrangement of first embodiment of the invention;
Fig. 6 is the schematic diagram of the projection arrangement of second embodiment of the invention; And
Fig. 7 is the rotating disk schematic diagram of the projection arrangement of second embodiment of the invention.
Embodiment
Below will explain content of the present invention by embodiment, and the invention relates to a kind of light-source system and use the projection arrangement of this light-source system.Projection arrangement can be digit optical processing (Digital Light Processing; DLP) projection display or liquid crystal (Liquid Crystal Display; LCD) projection display etc. has the equipment of projection display funciton.It should be noted that, in following embodiment and accompanying drawing, be only explaination object of the present invention about the explanation of embodiment, but not in order to direct restriction the present invention, meanwhile, in following examples and accompanying drawing, all omitted and do not illustrated with the non-directly related element of the present invention; And in accompanying drawing, each interelement size relationship is only for asking easy understanding, non-in order to limit actual ratio.
The first embodiment of the present invention is a kind of light-source system 3 for a projection arrangement (scheming not shown), and its schematic 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 a light to be provided, and exports light to imaging system, so that image formation by rays is shown as a projected picture by imaging system.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 also refer to Fig. 4, the first light source 31 comprises multiple blue laser light sources 311 and multiple catoptron 313, and so that multiple the first wave band light 312 to be provided, and the first wave band light 312 is the light within the scope of blue wave band.Wherein, Figure 4 shows that the schematic diagram of the first light source 31 in Fig. 3, by the transparent part 314 in catoptron 313 and reflecting part 316, the light of multiple the first wave band light 312 can be concentrated to same direction and penetrate.Therefore, just can strengthen by this light intensity of the first wave band light 312.So it should be noted that, the first light source set-up mode of the present invention is not limited with above-mentioned, and knowing the technology field person 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 reflection one second wave band light 3111 and a triband light 3112.Reflecting part 322 reflects the first wave band light 312, the second wave band light 3111 and triband light 3112.In the present embodiment, the second wave band light 3111 is the light in green wavelength band, and triband light 3112 is the light in red wavelength band.In other words,, in the time that the first wave band light 312 (blue light) is projected to beam splitter 32, will directly reflect by spectrum part 321 or by reflecting part 322; In the time that the second wave band light 3111 (green glow) or triband light 3112 (ruddiness) are projected to beam splitter 32, all can be subject to spectrum part 321 and reflecting part 322 reflects.
Two collective opticses 33 have an optical axis 331 jointly, and in the present embodiment, each collective optics 33 is all convex lens.Implement in aspect in of the present invention other, know the collective optics that technique field person can spread to other number easily, the aspect with the collective optics of various kenels or material.
Please also refer to Fig. 3 and Fig. 5, rotating disk 34 is one first sides that are arranged at optical axis 331, and rotating disk 34 comprises a ring-type glass sheet and defines and have one first wave band transition region 344, one second wave band transition region 346 and a reflector space 342 on a side surface.The first wave band transition region 344 is coated with a green fluorescent material 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 is coated with a red fluorescence material in glass surface, in order to the first wave band light 312 is converted to a triband light 3112; The plated film that the first wave band light 312 transmissions, the second wave band light 3111 and triband light 3112 reflect in the glass back in this two region; 342 of reflector spaces are reflection the first wave band light 312.Through conversion the second wave band light 3111 and triband light 3112, and through reflection the first wave band light 312, all will be focused on by collective optics 33.In the present invention, reflector space can be coating one reflective material, or directly makes with catoptron.In addition, in the present embodiment, the first wave band transition region 344, the second wave band transition region 346 and reflector space 342 the area ratio on the rotating disk that is coated on 34 be 2:5:3; Knowing technique field person can be according to the needs of the intensity of light source and color representation, and appropriateness is adjusted the area ratio of each region 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.
The operating mechanism of light-source system 3 of the present embodiment will be introduced in detail below.
When the blue laser light source 311 of the first light source 31 is launched the first wave band light 312, guide by whole the first wave band light 312 spectrum part 321 that passes through beam splitter 32 into equidirectional by catoptron 313, by collective optics 33, the first wave band light 312 is focused to the reflector space 342 on rotating disk 34 again, now reflector space 342 can reflect the first wave band light 312 to pass through collective optics 33, reflect the first wave band light 312 by the reflecting part 322 of beam splitter 32 again, collective optics 33 focuses to light collecting element 35 to carry out all light, the first wave band light 312 to imaging system after providing evenly by light collecting element 35 is again carried out imaging.
Because rotating disk 34 is to adopt conjugation setting with respect to optical axis 331 with light collecting element 35, and the dispersion angle of the first wave band light 312 providing because of blue laser light source 311 is little and concentrated, therefore the first wave band light 312 reflecting through the reflector space 342 on rotating disk 34 is passing through after collective optics 33, can't advance toward spectrum part 321, only can be incident upon reflecting part 322 to reflect, and focus on the light collecting element 35 arranging with rotating disk 34 conjugation.
Similarly, when the blue laser light source 311 of the first light source 31 is launched the first wave band light 312, by catoptron 313, whole the first wave band light 312 is guided as equidirectional, then by spectrum part 321 and by collective optics 33, the first wave band light 312 is focused to the first wave band transition region 344 on rotating disk 34, now the first wave band light 312 can be converted to the second wave band light 3111 and return by collective optics 33, again after the spectrum part 321 and reflecting part 322 reflections by beam splitter 32, collective optics 33 focuses to light collecting element 35 to carry out all light by the second wave band light 3111, the second wave band light 3111 to imaging system after providing evenly by light collecting element 35 is again carried out imaging.
What should be specified at this is, because the first wave band light 312 is after the first wave band transition region 344, have fraction the first wave band light 312 through the first wave band transition region 344, cause the waste of light, therefore light recycling member 36 is set in rotating disk 34 rears, the the first wave band light 312 that penetrates the first wave band transition region 344 is reflected, and focus to the first wave band transition region 344 to be again converted to the second wave band light 3111, be incident upon spectrum part 321 and reflecting part 322 reflects by collective optics 33, and focus to light collecting element 35 by collective optics 33, carry out imaging to provide to imaging system.The recovery that just can reach by this light is used, and avoids fiber-loss.In this embodiment, light recycling member 36 is spherical reflectors.
Utilize and above-mentioned similar principle, when the blue laser light source 311 of the first light source 31 is launched the first wave band light 312, by catoptron 313, whole the first wave band light 312 is guided as equidirectional, then by spectrum part 321 and by collective optics 33, the first wave band light 312 is focused to the second wave band transition region 346 on rotating disk 34, now the first wave band light 312 can be converted to triband light 3112 and return by collective optics 33 and reflect by spectrum part 321 and the reflecting part 322 of beam splitter 32, collective optics 33 focuses to light collecting element 35 to carry out all light by triband light 3112, triband light 3112 to imaging system after providing evenly by light collecting element 35 is again carried out imaging.
Finally, light collecting element 35 by belonging 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 imaging by aforesaid the first wave band light 312, the second wave band light 3111 and triband light 3112, project and demonstrate a projected picture.
The second embodiment of the present invention is a kind of light-source system 4 for a projection arrangement (scheming not shown), and its schematic 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 a light to be provided, and exports light to imaging system, so that image formation by rays is shown a projected picture by imaging system.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 the present embodiment is similar to last embodiment, and sincerely details are as follows.
Please also refer to Fig. 4, the first light source 41 comprises multiple blue laser light sources 411 and multiple catoptron 413, and in order to multiple the first wave band light 412 to be provided, and the first wave band light 412 is the light within the scope of blue wave band.Similarly, the first light source 41 also adopts the design similar to the 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 (Light Emitting Diode, LED), and in order to a triband light 471 to be provided, and triband light 471 is the light in red wavelength band.
Beam splitter 42 has one first spectrum part 421 and one second spectrum part 422, and wherein the first spectrum part 421 allows the first wave band light 412 and a triband light 471 to pass through, and reflection one second wave band light 4111; And the second spectrum part 422 allows triband light 471 to pass through, and reflection the first wave band light 412 and the second wave band light 4111, wherein the second wave band light 4111 of the present embodiment is the light in green wavelength band.In other words,, in the time that the first wave band light 412 (blue light) is projected to beam splitter 42, will directly reflect by the first spectrum part 421 or by the second spectrum part 422; In the time that the second wave band light 4111 (green glow) is projected to beam splitter 42, all can be subject to the first spectrum part 421 and the second spectrum part 422 reflects; In the time that triband light 4112 (ruddiness) is projected to beam splitter 42, can directly pass through the first spectrum part 421 and the second spectrum part 422.
Two collective opticses 43 have an optical axis 431 jointly, and in the present embodiment, each collective optics 43 is all convex lens.Implement in aspect in of the present invention other, know the collective optics that technique field person can spread to other number easily, the aspect with the collective optics of various kenels or material.
Refer again to Fig. 7, rotating disk 44 is arranged at one first side of optical axis 431, rotating disk 44 comprises a ring-type glass sheet and defines and have a spectrum conversion region 441 and a reflector space 442 on a side surface, and spectrum conversion region 441 is coated with a green fluorescent material in glass surface, in order to convert the first wave band light 412 to second wave band light 4111; The plated film that the first wave band light 412 transmissions, the second wave band light 4111 reflect in the glass back in this region; 442 of reflector spaces are reflection the first wave band light 412.Through the second wave band light 4111 of conversion and the first wave band light 412 through reflecting, all will be focused on by collective optics 43.Wherein an area in spectrum conversion region 441 and an area of reflector space 442 are relevant with a work period (duty cycle) of secondary light source 47.In the present invention, reflector space can be coating one reflective material, or directly makes 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.
The operating mechanism of light-source system 4 of the present embodiment will be introduced in detail below.
When the first light source 41 is opening and secondary light source 47 while being closed condition, the blue laser light source 411 of the first light source 41 is launched the first wave band light 412, by catoptron 413, whole the first wave band light 412 is guided to the first spectrum part 421 that passes through beam splitter 42 into equidirectional, by collective optics 43, the first wave band light 412 is focused to the reflector space 442 on rotating disk 44 again, now reflector space 442 can reflect the first wave band light 412 to pass through collective optics 43, reflect the first wave band light 412 by the second spectrum part 422 of beam splitter 42 again, focus to light collecting element 45 to carry out all light by collective optics 43, the first wave band light 412 to the imaging system that provides after providing evenly by light collecting element 45 is again carried out imaging.
Because rotating disk 44 is to adopt conjugation setting with respect to optical axis 431 with light collecting element 45, and the dispersion angle of the first wave band light 412 providing because of blue laser light source 411 is little and concentrated, therefore the first wave band light 412 reflecting through the reflector space 442 on rotating disk 44 is passing through after collective optics 43, can't advance toward the first spectrum part 421, only can be reflected by the second spectrum part 422, and focus on the light collecting element 45 arranging with rotating disk 44 conjugation.
Similarly, when the first light source 41 is opening and secondary light source 47 while being closed condition, the blue laser light source 411 of the first light source 41 is launched the first wave band light 412, by catoptron 413, whole the first wave band light 412 is guided as equidirectional, then by collective optics 43, the first wave band light 412 is focused to the spectrum conversion region 441 on rotating disk 44 again by the first spectrum part 421, now the first wave band light 412 can be converted to the second wave band light 4111 and return by collective optics 43, reflect by the first spectrum part 421 and second spectrum part 422 of beam splitter 42 again, collective optics 43 focuses to light collecting element 45 to carry out all light by the second wave band light 4111, the second wave band light 4111 to imaging system after providing evenly by light collecting element 45 is again carried out imaging.
With last embodiment in the same manner, rotating disk 44 rears are provided with light recycling member 46 equally, use and reflect the first wave band light 412 that penetrates wave band transition region 441, and the first wave band light 412 that penetrates wave band transition region 441 is reflected, use with the recovery that reaches light, avoid fiber-loss.
And be closed condition and secondary light source 47 while being opening when the first light source 41, triband light 471 just directly provides by secondary light source 47, triband light 471 focuses to light collecting element 45 by beam splitter 42 and by collective optics 43, provides triband light 471 to imaging system to carry out imaging.
Finally, light collecting element 45 by belonging 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 imaging by aforesaid the first wave band light 412, the second wave band light 4111 and triband light 471, project and show a projected picture.
The number of elements of the various embodiments described above and position all visual demand are adjusted, and for example, in the first embodiment, can increase multiple collective opticses 33, and the first wave band light 312 is concentrated on 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 light recycling member 36 can be removed, reduce manufacturing cost and volume.In the second embodiment, can increase multiple collective opticses 43, the first wave band light 412 is concentrated on rotating disk 44 more, and make triband light 471 can also focus on light collecting element 45; Or secondary light source 47 is changed to 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, make color after imaging can be more bright-coloured, colour developing or improve brightness; In addition also light recycling member 46 can be removed.
In sum, light-source system of the present invention can be under minimum volume uses, utilize independently blue laser light source and the wavelength conversion region with red fluorescence material and green fluorescent material, or utilize independently blue laser light source, red light-emitting diode and there is the wavelength conversion region of green fluorescent material, replace and use single light source to be projected to the mode of colour wheel, and can effectively increase the light intensity of light-source system; 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 and replace a green light LED to produce green glow, and then the intensity of light source of lifting green glow, existing light-source system is because using green light LED to cause the low problem of green emitting efficiency not existed.Thus, by light-source system of the present invention, can significantly improve existing problem in existing projection arrangement.
The above embodiments are only used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, the scope of the present invention should be as the criterion with claim.
Claims (22)
1. a light-source system, comprises:
The first light source, provides the first wave band light;
Beam splitter;
At least one collective optics, has optical axis;
Rotating disk, has at least one spectrum conversion region, and this rotating disk is arranged at the first side of this optical axis; And
Light collecting element, is characterized in that,
This rotating disk has reflector space, and this light collecting element is arranged at the second side of this optical axis, and this light collecting element is with respect to this optical axis and this rotating disk conjugation setting;
Wherein this first wave band light passes through, after this beam splitter and this at least one collective optics, to focus on this at least one spectrum conversion region or this reflector space;
When this first wave band light focusing is during in this at least one spectrum conversion region, this first wave band light is converted to the second wave band light, then focuses to this light collecting element by this at least one collective optics;
When this first wave band light focusing is during in this reflector space, this reflector space reflects this first wave band light, then focuses to this light collecting element by this at least one collective optics.
2. light-source system according to claim 1, is characterized in that, this first light source comprises multiple blue laser light sources, and this first wave band light is blue ray.
3. light-source system according to claim 2, is characterized in that, this first light source also comprises multiple catoptrons.
4. light-source system according to claim 2, is characterized in that, this second wave band light is green light.
5. light-source system according to claim 4, it is characterized in that, this at least one spectrum conversion district inclusion the first wave band transition region and second wave band transition region, when this first wave band light focusing is during in this first wave band transition region, this the first wave band light is converted to this second wave band light, when this first wave band light focusing is during in this second wave band transition region, this first wave band light is converted to triband light.
6. light-source system according to claim 5, is characterized in that, this triband light is 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 respectively green fluorescent material and red fluorescence material.
8. light-source system according to claim 5, is characterized in that, the 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 light recycling member, make to penetrate this first wave band light reflection of 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 to penetrate this first wave band light reflection of 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 spectrum part and reflecting part, wherein this spectrum part allow this first wave band light by and reflect this second wave band light and this triband light, this reflecting part reflects this first wave band light, this second wave band light and this triband light.
11. light-source systems according to claim 10, it is characterized in that, this at least one collective optics makes this first wave band light focusing by this spectrum part on this at least one spectrum conversion region or this reflector space, and by this second wave band light through this spectrum part reflection and this triband light with this first wave band light, this second wave band light and this triband light focusing through this reflecting part reflection in this light collecting element.
12. light-source systems according to claim 4, is characterized in that, also comprise secondary light source, so that triband light to be provided.
13. light-source systems according to claim 12, is characterized in that, this secondary light source comprises multiple red light-emitting diodes, and this triband light is red light.
14. light-source systems according to claim 12, is characterized in that, this at least one spectrum conversion region coating green fluorescent material.
15. light-source systems according to claim 13, it is characterized in that, this light-source system also comprises light recycling member, makes to penetrate this first wave band light reflection in this at least one spectrum conversion region and focuses to this at least one spectrum conversion region and convert this second wave band light to.
16. light-source systems according to claim 13, it is characterized in that, this beam splitter has the first spectrum part and the second spectrum part, wherein this first spectrum part allow this first wave band light and this triband light by and reflect this second wave band light, this second spectrum part allow this triband light by and reflect this first wave band light and this second wave band light.
17. light-source systems according to claim 16, it is characterized in that, this at least one collective optics makes this first wave band light focusing by this first spectrum part on this at least one spectrum conversion region or this reflector space, and by this second wave band light through the reflection of this first spectrum part and this first wave band light through this second spectrum part reflection and this second wave band light focusing in this light collecting element, and by this triband light focusing in this light collecting element.
18. light-source systems according to claim 12, is characterized in that, the area in this at least one spectrum conversion region is relevant with the work period of this secondary light source to the area of this reflector space.
19. according to the light-source system described in claim 11 or 17, it is characterized in that, this at least one collective optics comprises two collective opticses, and respectively this collective optics is convex lens.
20. light-source systems according to claim 1, is characterized in that, this light collecting element is optical channel or light harvesting post.
21. 1 kinds of projection arrangements, is characterized in that, comprise:
A kind of light-source system according to claim 1, to provide light; And
Imaging system, this light that this light-source system is provided carries out imaging.
22. projection arrangements 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.
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| CN201110050451.2A CN102650809B (en) | 2011-02-25 | 2011-02-25 | Light source system and projector containing same |
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| TWI503578B (en) | 2014-06-13 | 2015-10-11 | Coretronic Corp | Light source module and projection apparatus |
| CN108663879B (en) | 2017-03-31 | 2021-04-06 | 中强光电股份有限公司 | Projector and illumination system thereof |
| CN108761981B (en) * | 2018-04-28 | 2020-10-20 | 苏州佳世达光电有限公司 | Projector with a light source |
| CN110703552B (en) | 2018-07-10 | 2021-10-15 | 中强光电股份有限公司 | Illumination system and projection apparatus |
| CN111077720B (en) * | 2018-10-18 | 2022-05-13 | 深圳光峰科技股份有限公司 | Light source system and display device |
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| TWI266141B (en) * | 2005-01-18 | 2006-11-11 | Young Optics Inc | Projector |
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2011
- 2011-02-25 CN CN201110050451.2A patent/CN102650809B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6299312B1 (en) * | 2000-02-29 | 2001-10-09 | Samsung Electronics Co., Ltd. | Reflection type projector |
| CN1628266A (en) * | 2001-02-26 | 2005-06-15 | 松下电器产业株式会社 | Projection display device |
| JP2006065057A (en) * | 2004-08-27 | 2006-03-09 | Fujinon Corp | Light source device for projector |
| CN101836160A (en) * | 2007-07-30 | 2010-09-15 | 绎立锐光科技开发公司 | Multicolor illumination device using moving plate with wavelength conversion materials |
| JP2009162986A (en) * | 2008-01-07 | 2009-07-23 | Seiko Epson Corp | Display device |
| CN201518089U (en) * | 2009-06-12 | 2010-06-30 | 红蝶科技(深圳)有限公司 | Minitype projection optical engine based on trichromatic light source |
| CN101937127A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light supply apparatus and projector |
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|---|---|
| CN102650809A (en) | 2012-08-29 |
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