CN102854734B - Light source device and projection device thereof - Google Patents
Light source device and projection device thereof Download PDFInfo
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- CN102854734B CN102854734B CN201210319152.9A CN201210319152A CN102854734B CN 102854734 B CN102854734 B CN 102854734B CN 201210319152 A CN201210319152 A CN 201210319152A CN 102854734 B CN102854734 B CN 102854734B
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Abstract
The invention discloses a light source device which is arranged in a shell of a projection device and at least comprises a first light source module and a second light source module. The first light source module comprises a first light source which emits the first primary-color light going forward along a first light path. The second light source module comprises a second light source, a dichroic mirror and a photochromic conversion component arranged on a second light path; the dichroic mirror is arranged on the first light path and the second light path; and the light emitted by the second light source goes forward along the second light path and is processed by the dichroic mirror and the photochromic conversion component to generate the second primary-color light which is reflected by the dichroic mirror and goes forward along the second light path. The first primary-color light goes forward along the first light path through the dichroic mirror; and the first light source and the second light source are arranged on different sides. According to the invention, the light source device and the optical components occupy a relatively small space, and the volume of the light source device and the projection device thereof can be reduced.
Description
Technical field
The present invention about a kind of light supply apparatus, and relates to a kind of light supply apparatus being applied to projection arrangement especially.
Background technology
Be full of the epoch of life at electronic product, it is very skillful in technical development that projection arrangement comprises the various machines such as education, commercial affairs, family expenses.Concerning consumer, except the projection quality of high image quality, its volume size is also one of consideration emphasis when choosing projection arrangement.
Conventional projection device is such as comprise light supply apparatus, light pipe (Light Pipe), lens module, image-forming assembly and camera lens etc.In projection arrangement, light supply apparatus is in order to provide light and to make light focusing in one end of light pipe.Light pipe accept focus on after light and by equalizing light rays.Light pipe injection light collection to lens module, lens module by ray cast to rolling over mirror.After the reflection of folding mirror, ray cast is to image-forming assembly.Image-forming assembly accepts light and produces image, and camera lens accepts this little image and by image projection to screen.Wherein, the space shared by light supply apparatus also has very important impact for the volume of projection arrangement.
Please refer to Fig. 1, it illustrates a kind of schematic diagram of conventional light source device.If using blue laser as light source 11, the light sent is after the collector lens (Condensing lense) 12 such as set by figure, folding mirror (FoldMirror) 13 and dichronic mirror (Dichroic mirror) 15, by colour wheel (Color Wheel) 18 after color separation, make the light of light source can produce the light such as different colours (as red, green and blue) and focus on one end of light pipe 19, and then producing full-color image.Wherein, light source 11 and those collector lenses 12, folding mirror 13 and dichronic mirror 15 account for many spaces (being a L-type space as shown in the figure), add the position of colour wheel 18, whole light source module has no small volume, and then affects the overall dimensions of projection arrangement.
Summary of the invention
The present invention has the projection arrangement about a kind of light supply apparatus and application thereof, and the design of its light source module and light path arrangement not only can be reduced and taken up space, and the radiating effect that tool is good.
According to the present invention, propose a kind of projection arrangement, it comprises: light supply apparatus, optical module, image-forming assembly and camera lens module.This light supply apparatus is arranged in housing, at least comprises: the first light source module, and it comprises the first light source, and this first light source sends the first primitive color light and advances along the first light path; With secondary light source module, it comprises secondary light source, dichronic mirror and is arranged at the Color Conversion assembly in the second light path, and this dichronic mirror is arranged in this first light path with in this second light path, the light that this secondary light source sends is advanced past this dichronic mirror along this second light path and produces the second primitive color light to this Color Conversion assembly, by this dichroic mirror, this second primitive color light is advanced along this second light path again, wherein this first primitive color light advances along this first light path through this dichronic mirror, and this first light source and this secondary light source are arranged on not homonymy; This optical module in order to accept this first primitive color light and this second primitive color light, and produces mixing light; This image-forming assembly is in order to this mixing light of receiving this optical module and sending and produce an image; This camera lens module accept this image and by this image projection to screen.
As optional technical scheme, this first light source module of this light supply apparatus also comprises the first lens arra, this first lens arra is arranged relative to this first light source, this first light source sends this first primitive color light becomes the first homogenising light with the first primary colors after this first lens arra, and advances along this first light path after this dichronic mirror, this secondary light source module also comprises the second lens arra, this second lens arra is arranged relative to this secondary light source, the light that this secondary light source sends becomes the second homogenising light and advances along this second light path after this second lens arra, this the second homogenising light of tool second primary colors is produced after this dichronic mirror to the second look fluorescent powder of this Color Conversion assembly, continued to advance along this second light path by this dichroic mirror again, wherein this dichronic mirror is arranged between this second lens arra and this Color Conversion assembly, wherein, this optical module is in order to this second homogenising light of this first homogenising light and this second primary colors of tool of accepting this first primary colors of tool, and produce this mixing light.
As optional technical scheme, this secondary light source module of this light supply apparatus also comprises: collimation lens, to be arranged in this second light path and before this Color Conversion assembly, this collimation lens has positive refracting power, and this second homogenising light focuses on this Color Conversion assembly place after this collimation lens.
As optional technical scheme, in this secondary light source module of this light supply apparatus, when being reflected by this Color Conversion assembly after this second look fluorescent powder of this second homogenising optical excitation, this dichronic mirror that arrives through this collimation lens, is advanced towards second direction after this dichroic mirror; And this first homogenising light in this first light source module with this first primary colors advances towards first direction after this dichronic mirror, this first direction this second direction parallel.
As optional technical scheme, this light supply apparatus also comprises one the 3rd light source module, comprise: the 3rd light source and the 3rd lens arra are arranged relative to the 3rd light source, and the light that the 3rd light source sends becomes the 3rd homogenising light after the 3rd lens arra, and advance along the 3rd light path; Another Color Conversion assembly, is arranged in the 3rd light path, produces the trichromatic 3rd homogenising light of tool after the three-color phosphor of the 3rd homogenising optical excitation this Color Conversion assembly another; Another collimation lens, be arranged in the 3rd light path and before this Color Conversion assembly another, separately this collimation lens has positive refracting power, and the 3rd homogenising light focuses on this Color Conversion assembly place another after this collimation lens another; Another dichronic mirror, be arranged at the 3rd lens arra and separately between this Color Conversion assembly, when being reflected by this Color Conversion assembly another after the 3rd this three-color phosphor of homogenising optical excitation, this dichronic mirror another that arrives through this collimation lens another, advanced towards third direction by after this dichroic mirror another, wherein, there is this first homogenising light of this first primary colors by advancing towards first direction after this dichronic mirror of this secondary light source module and this dichronic mirror another of the 3rd light source module, this first direction this third direction parallel.
As optional technical scheme, the 3rd light source and this first light source are arranged on not homonymy.
As optional technical scheme, 3rd light source and this secondary light source are arranged on identical side, and the light that the 3rd light source sends has identical working direction with the light that this secondary light source sends, then this dichronic mirror another of the 3rd light source module and this dichronic mirror of this secondary light source module are set in parallel.
As optional technical scheme, 3rd light source is arranged on relative both sides with this secondary light source, the light that the light that 3rd light source sends and this secondary light source send has contrary but parallel working direction, and this dichronic mirror another of the 3rd light source module and this dichronic mirror of this secondary light source module are vertical setting.
As optional technical scheme, in this light supply apparatus, this first light source is arranged on the first radiating subassembly, and this secondary light source is arranged on the second radiating subassembly, and the 3rd light source is arranged on the 3rd radiating subassembly.
As optional technical scheme, the light that this first light source of this light supply apparatus sends is orthogonal with the light that this secondary light source sends.
As optional technical scheme, this first light source and this secondary light source of this light supply apparatus are respectively LASER Light Source.
According to an embodiment, the invention provides a kind of light supply apparatus, it at least comprises: the first light source module, secondary light source module.This first light source module comprises the first light source, and this first light source sends the first primitive color light and advances along the first light path; This secondary light source module comprises: secondary light source, and the light that secondary light source sends advances along the second light path; Dichronic mirror is arranged in this first light path with in this second light path; Color Conversion assembly is arranged in this second light path, the light that this secondary light source sends is advanced past this dichronic mirror along this second light path and produces the second primitive color light to this Color Conversion assembly, by this dichroic mirror, this second primitive color light is advanced along this second light path again, wherein, this first primitive color light advances along this first light path through this dichronic mirror, and this first light source and this secondary light source are arranged on not homonymy.
The present invention uses except catoptron height except using lens and lens arra collection efficiency than tradition, and the optical module design of the light supply apparatus of embodiment is put and accounted for less space, can reduce the volume of the projection arrangement of light supply apparatus and application thereof.Moreover, because laser diode is very sensitive for heat, the lower luminescence efficiency of temperature is higher, has at least two light sources to be arranged at not homonymy in the light supply apparatus of embodiment, radiating effect near light source can be made comparatively fast and not to affect luminescence efficiency in the process of operation projection arrangement.
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 its illustrate a kind of schematic diagram of conventional light source device.
Fig. 2 is that this discloses the schematic diagram of the light supply apparatus of the first embodiment.
Fig. 3 is that this discloses the schematic diagram of the light supply apparatus of the second embodiment.
Embodiment
Embodiment proposes to be applied to the light supply apparatus of projection arrangement, and its design can reduce the space that optical module is put, and then reduces the volume of projection arrangement of light supply apparatus and application.The light supply apparatus of embodiment has two light source modules at least, and its light source is arranged on not homonymy, and the first light source sends the first primitive color light, and the light that secondary light source sends produces the second primitive color light via Color Conversion assembly.Wherein, first and second light source shares a dichronic mirror.Moreover the light source of homonymy does not arrange comparatively easy heat radiation, the temperature overheating near because of light source can be avoided and affect the optical appearance (such as changing light color) of projection arrangement in the process of operation projection arrangement.
Wherein, the projection arrangement of application can comprise: be arranged at light supply apparatus, optical module, image-forming assembly and the camera lens module in housing (Housing).Optical module is such as light pipe (Light pipe), can accept the homogenising light of different primary colors and produce mixing light; Image-forming assembly is such as digital micro-mirror assembly (Digital
Micromirror device, DMD), in order to receive mixing light that this optical module sends and produce an image and reflex to camera lens module.Camera lens module then accept this image and by this image projection to screen.
Below propose wherein two groups of embodiments, coordinate correlative type so that some in disclosure to be described, but be not the design aspect of whole light supply apparatuses.Label identical in graphic is in order to indicate same or similar part.It is noted that the graphic content simplified in order to clearly demonstrating embodiment, the dimension scale on graphic is not the ratio of specific products, can do suitable adjustment according to needed for practical application condition, not as the use of limit scope.Moreover describing in embodiment, as thin parts structure and material is selected etc., is only the use illustrated, also the non-scope to the protection of the present invention's wish does limit.
Fig. 2 is that this discloses the schematic diagram of the light supply apparatus of the first embodiment.Light supply apparatus 2 comprises the first light source module 21 and secondary light source module 22.First light source module 21 comprises the first primitive color light (as blue light) that the first light source (first lightsource) 211, first light source sends and advances along the first light path (first lightpath) L1.Secondary light source module 22 comprises secondary light source 221, dichronic mirror 223 (dichroic mirror) and Color Conversion assembly 225, and this Color Conversion assembly 225 is arranged on the second light path L2.Wherein, dichronic mirror 223 is arranged on the first light path L1 and L2 in the second light path, the light that secondary light source 221 sends is advanced past dichronic mirror 223 to Color Conversion assembly 225 along the second light path L2 and produces the second primitive color light (as green light), then by dichronic mirror 223 reflection, the second primitive color light is advanced along the second light path L2.As shown in the figure, the first light source module 21 send the first primitive color light also after dichronic mirror 223 along first light path L1 advance.First light source 211 and secondary light source 221 are arranged on not homonymy.
In embodiment, the first light source 211 and secondary light source 221 are such as respectively LASER Light Source, send blue light.Moreover as shown in Figure 1, the light that the first light source 211 sends is orthogonal with the light that secondary light source 221 sends (but being not particularly limited ground).
In embodiment, first light source module 21 also can comprise the first lens arra (first fly eyes) 212 arranged relative to the first light source 211, after the first lens arra 212, become the first homogenising light (a first homogenized light with a firstprimary colour) with the first primary colors after first light source 211 sends the first primitive color light, and advance along the first light path L1 after the dichronic mirror 223 of secondary light source module 22.
In embodiment, secondary light source module 22 also comprises the second lens arra 222 and collimation lens (collimator lens) 224.Second lens arra 222 is arranged relative to secondary light source 221.233, dichronic mirror is arranged between the second lens arra 222 and Color Conversion assembly 225.Collimation lens 224 to be arranged on the second light path L2 and before Color Conversion assembly 225.The light that secondary light source 221 sends becomes the second homogenising light and advances along the second light path L2 after the second lens arra 222, after dichronic mirror 223 and collimation lens 224, arrive Color Conversion assembly 225.Wherein, collimation lens 224 has positive refracting power (positive effective power), and this second homogenising light can focus on Color Conversion assembly 225 place after collimation lens 225.
In an embodiment, Color Conversion assembly 225 is such as phosphor substrate (phosphor plate), and its coated thereon has the second look (as green) fluorescent powder.After second homogenising light focuses on Color Conversion assembly 225 place through collimation lens 225, excite the second look fluorescent powder and produce the second homogenising light (second homogenized light with a second primary colour) of tool second primary colors (as green).Afterwards, the second homogenising light is reflected by Color Conversion assembly 225, the dichronic mirror 223 that arrives through collimation lens 224, towards second direction advances (as parallel x-direction) after being reflected by dichronic mirror 223.
In an embodiment, the first homogenising light of tool first primary colors of the first light source module 21 advances towards first direction (as parallel x-direction) after dichronic mirror 223, and as shown in Figure 2, first direction is parallel with second direction.
In this embodiment, light supply apparatus 2 also comprises the 3rd light source module 23.3rd light source module 23 comprises the 3rd light source 231, the 3rd lens arra 232, another dichronic mirror 233, another collimation lens 234 and another Color Conversion assembly 235.3rd light source 231 is such as LASER Light Source, sends blue light.3rd lens arra 232 is arranged relative to the 3rd light source 231; Color Conversion assembly 235 such as has three-color phosphor and is arranged on the 3rd light path L3; Collimation lens 234 to be arranged on the 3rd light path L3 and before Color Conversion assembly 235; Dichronic mirror 233 is arranged between the 3rd lens arra 232 and Color Conversion assembly 235.Similarly, the light that 3rd light source 231 sends becomes the 3rd homogenising light after the 3rd lens arra 232, and advance along the 3rd light path L3, through dichronic mirror 233 and collimation lens 234 (there is positive refracting power), 3rd homogenising light focuses on Color Conversion assembly 235 place and produces the 3rd homogenising light (third homogenized light with a third primarycolour) of tool three primary colors (as redness) after exciting three-color phosphor, reflect again afterwards and arrive dichronic mirror 233 through collimation lens 234, advance towards third direction (as parallel x-direction) after being reflected by dichronic mirror 233.In the present embodiment, this third direction is parallel with second direction with first direction.
In addition, in an embodiment, the first light source 211, secondary light source 221 and the 3rd light source 231 can be separately positioned on the first radiating subassembly 218, second radiating subassembly 228 and the 3rd radiating subassembly 238, to improve radiating efficiency.
In this embodiment, the 3rd light source 231 and the first light source 211 are all arranged on not homonymy with secondary light source 221.In this embodiment, 3rd light source 231 is arranged on difference and relative both sides with secondary light source 221, the light that 3rd light source 231 sends and the light that secondary light source 221 sends have (opposite) but parallel working direction on the contrary, and the dichronic mirror 233 of the 3rd light source module 23 is vertical setting (being 45 degree of angles respectively with x-direction) with the dichronic mirror 223 of secondary light source module 22.
Fig. 3 is that this discloses the schematic diagram of the light supply apparatus of the second embodiment.Second embodiment comprises identical assembly with the light supply apparatus of the first embodiment, except the associated component setting direction of the 3rd light source module 23 changes to some extent.In first embodiment, the 3rd light source 231 is arranged on not homonymy with secondary light source 221.But in the second embodiment, the 3rd light source 231 is arranged on the same side with secondary light source 221, and the light that wherein the 3rd light source 231 sends has identical working direction with the light that secondary light source 232 sends.Moreover in the second embodiment, the dichronic mirror 233 of the 3rd light source module 23 is set in parallel with the dichronic mirror 223 of secondary light source module 22.The remaining component that second embodiment is identical with the first embodiment, does not repeat them here.
In above-described embodiment, except using lens and lens arra collection efficiency to use except catoptron height than tradition, the optical module design of the light supply apparatus of embodiment is put and is accounted for less space, can reduce the volume of the projection arrangement of light supply apparatus and application thereof.Moreover, because laser diode is very sensitive for heat, the lower luminescence efficiency of temperature is higher, has at least two light sources to be arranged at not homonymy in the light supply apparatus of embodiment, radiating effect near light source can be made comparatively fast and not to affect luminescence efficiency in the process of operation projection arrangement.
In sum, although the present invention with embodiment disclose as above, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on the accompanying claim person of defining.
Claims (11)
1. a projection arrangement, is characterized in that comprising:
Light supply apparatus, is arranged in housing, at least comprises:
First light source module, it comprises the first light source, and this first light source sends the first primitive color light and advances along the first light path; With
Secondary light source module, it comprises secondary light source, dichronic mirror and is arranged at the Color Conversion assembly in the second light path, and this dichronic mirror is arranged in this first light path with in this second light path, the light that this secondary light source sends is advanced past this dichronic mirror along this second light path and produces the second primitive color light to this Color Conversion assembly, by this dichroic mirror, this second primitive color light is advanced along this second light path again, wherein this first primitive color light advances along this first light path through this dichronic mirror, and this first light source and this secondary light source are arranged on not homonymy;
Optical module, be arranged on this light supply apparatus rear and be positioned at this first light source to side, this optical module in order to accept this first primitive color light and this second primitive color light, and produces mixing light;
Image-forming assembly, in order to receive this mixing light that this optical module sends and to produce an image; And
Camera lens module, accept this image and by this image projection to screen.
2. projection arrangement according to claim 1, it is characterized in that: this first light source module of this light supply apparatus also comprises the first lens arra, this first lens arra is arranged relative to this first light source, this first light source sends this first primitive color light becomes the first homogenising light with the first primary colors after this first lens arra, and advances along this first light path after this dichronic mirror;
This secondary light source module also comprises the second lens arra, this second lens arra is arranged relative to this secondary light source, the light that this secondary light source sends becomes the second homogenising light and advances along this second light path after this second lens arra, this the second homogenising light of tool second primary colors is produced after this dichronic mirror to the second look fluorescent powder of this Color Conversion assembly, continued to advance along this second light path by this dichroic mirror again, wherein this dichronic mirror is arranged between this second lens arra and this Color Conversion assembly
Wherein, this optical module in order to this second homogenising light of this first homogenising light and this second primary colors of tool of accepting this first primary colors of tool, and produces this mixing light.
3. projection arrangement according to claim 2, is characterized in that: this secondary light source module of this light supply apparatus also comprises:
Collimation lens, is arranged in this second light path and before this Color Conversion assembly, this collimation lens has positive refracting power, and this second homogenising light focuses on this Color Conversion assembly place after this collimation lens.
4. projection arrangement according to claim 3, it is characterized in that: in this secondary light source module of this light supply apparatus, when being reflected by this Color Conversion assembly after this second look fluorescent powder of this second homogenising optical excitation, this dichronic mirror that arrives through this collimation lens, is advanced towards second direction after this dichroic mirror; And this first homogenising light in this first light source module with this first primary colors advances towards first direction after this dichronic mirror, this first direction this second direction parallel.
5. projection arrangement according to claim 3, is characterized in that: this light supply apparatus also comprises one the 3rd light source module, comprising:
3rd light source and the 3rd lens arra are arranged relative to the 3rd light source, and the light that the 3rd light source sends becomes the 3rd homogenising light after the 3rd lens arra, and advance along the 3rd light path;
Another Color Conversion assembly, is arranged in the 3rd light path, produces the trichromatic 3rd homogenising light of tool after the three-color phosphor of the 3rd homogenising optical excitation this Color Conversion assembly another;
Another collimation lens, be arranged in the 3rd light path and before this Color Conversion assembly another, separately this collimation lens has positive refracting power, and the 3rd homogenising light focuses on this Color Conversion assembly place another after this collimation lens another;
Another dichronic mirror, be arranged at the 3rd lens arra and separately between this Color Conversion assembly, when being reflected by this Color Conversion assembly another after the 3rd this three-color phosphor of homogenising optical excitation, separately this dichronic mirror that arrive through this collimation lens another, advanced towards third direction by after this dichroic mirror another
Wherein, there is this first homogenising light of this first primary colors by advancing towards first direction after this dichronic mirror of this secondary light source module and this dichronic mirror another of the 3rd light source module, this first direction this third direction parallel.
6. projection arrangement according to claim 5, is characterized in that: the 3rd light source and this first light source are arranged on not homonymy.
7. projection arrangement according to claim 5, it is characterized in that: the 3rd light source and this secondary light source are arranged on identical side, and the light that the 3rd light source sends has identical working direction with the light that this secondary light source sends, then this dichronic mirror another of the 3rd light source module and this dichronic mirror of this secondary light source module are set in parallel.
8. projection arrangement according to claim 5, it is characterized in that: the 3rd light source is arranged on relative both sides with this secondary light source, the light that the light that 3rd light source sends and this secondary light source send has contrary but parallel working direction, and this dichronic mirror another of the 3rd light source module and this dichronic mirror of this secondary light source module are vertical setting.
9. projection arrangement according to claim 5, is characterized in that: in this light supply apparatus, this first light source is arranged on the first radiating subassembly, and this secondary light source is arranged on the second radiating subassembly, and the 3rd light source is arranged on the 3rd radiating subassembly.
10. projection arrangement according to claim 1, is characterized in that: the light that this first light source of this light supply apparatus sends is orthogonal with the light that this secondary light source sends.
11. projection arrangements according to claim 1, is characterized in that: this first light source and this secondary light source of this light supply apparatus are respectively LASER Light Source.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319152.9A CN102854734B (en) | 2012-08-31 | 2012-08-31 | Light source device and projection device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210319152.9A CN102854734B (en) | 2012-08-31 | 2012-08-31 | Light source device and projection device thereof |
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| CN102854734B true CN102854734B (en) | 2015-03-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011013316A (en) * | 2009-06-30 | 2011-01-20 | Casio Computer Co Ltd | Light source device and projector |
| CN201984274U (en) * | 2011-03-18 | 2011-09-21 | 红蝶科技(深圳)有限公司 | Phosphor-based multi-pump light source and projecting optical engine adopting multi-pump light source |
| CN102200683A (en) * | 2010-03-24 | 2011-09-28 | 卡西欧计算机株式会社 | Light source unit and projector |
| CN102330888A (en) * | 2010-07-12 | 2012-01-25 | 红蝶科技(深圳)有限公司 | Light mixing type monochromatic light source with function of fluorescent powder excitation and projection optical engine using same |
-
2012
- 2012-08-31 CN CN201210319152.9A patent/CN102854734B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011013316A (en) * | 2009-06-30 | 2011-01-20 | Casio Computer Co Ltd | Light source device and projector |
| CN102200683A (en) * | 2010-03-24 | 2011-09-28 | 卡西欧计算机株式会社 | Light source unit and projector |
| CN102330888A (en) * | 2010-07-12 | 2012-01-25 | 红蝶科技(深圳)有限公司 | Light mixing type monochromatic light source with function of fluorescent powder excitation and projection optical engine using same |
| CN201984274U (en) * | 2011-03-18 | 2011-09-21 | 红蝶科技(深圳)有限公司 | Phosphor-based multi-pump light source and projecting optical engine adopting multi-pump light source |
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