CN202109406U - Light wavelength conversion wheel assembly and light source with the same - Google Patents

Light wavelength conversion wheel assembly and light source with the same Download PDF

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Publication number
CN202109406U
CN202109406U CN2010207014290U CN201020701429U CN202109406U CN 202109406 U CN202109406 U CN 202109406U CN 2010207014290 U CN2010207014290 U CN 2010207014290U CN 201020701429 U CN201020701429 U CN 201020701429U CN 202109406 U CN202109406 U CN 202109406U
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CN
China
Prior art keywords
light
wavelength conversion
wheel assembly
wheel disc
optical
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CN2010207014290U
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Chinese (zh)
Inventor
胡飞
李屹
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绎立锐光科技开发(深圳)有限公司
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Priority to CN201010579909.9 priority
Application filed by 绎立锐光科技开发(深圳)有限公司 filed Critical 绎立锐光科技开发(深圳)有限公司
Priority to CN2010207014290U priority patent/CN202109406U/en
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Publication of CN202109406U publication Critical patent/CN202109406U/en

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Abstract

The utility model relates to a light wavelength conversion wheel assembly and a light source with the same. The light wavelength conversion wheel assembly comprises a wheel disk, especially the wheel disk being composed of an annular reflection substrate capable of bearing at least one kind of the optical wavelength conversion material; also comprising at least one filter which is arranged in parallel on the inner side of the reflection substrate or the annular outer side based on the regions. The light source also comprises a light reflection device in a hemi-ellipsoid shape or a hemisphere shape and with an inwards light reflection surface, wherein the light reflection device comprises a light through port for guiding the excitation light into a light wavelength conversion material; also comprises a light collection device for providing the emergent light of the light source, wherein the lighting ranges of a light inlet port and the excitation light are proximately and respectively arranged on the two focal points of the hemi-ellipsoid shaped light reflection device or two symmetry points of the hemisphere shaped light reflection device near to the sphere centers; the light inlet or a light outlet of the light collection device is covered by the filter on the light wavelength conversion wheel assembly. The structure of the light source is simple and effective.

Description

Light wavelength conversion wheel assembly and with the light source of this light wavelength conversion wheel assembly
Technical field the utility model relates to the control or the regulation technology of light source, the particularly adjusting device of light source emergent light color.
Background technology conventional light source such as fluorescent lamp, incandescent lamp, uhp lamp or xenon lamp etc. are difficult to accomplish high efficiency, long-life.Along with the development of solid state light emitter, light emitting diode (LED) and semiconductor laser progressively enter into illumination and show market.
The mode that produces white light or coloured light generally has two kinds: a kind of is directly to utilize coloured light light source such as red, green or blue-ray LED that coloured light is provided, or utilizes these coloured light to come synthesize white light; Another kind is based on light wavelength conversion and comes the excitation wavelength transition material to produce coloured light with excitation source, and then utilizes exciting light or excite the various coloured light of generation to come synthesize white light.Be that excitation source comes the excitation wavelength transition material for example, such as but not limited to like fluorescent material with the light source that can produce short wavelength such as blue light or UV light.With the green glow is example, and present green light LED or green (light) laser are because of being difficult to accomplish that efficiently price is very high; Otherwise the solid-state devices efficient height and the price of blue light and UV light are low, adopt a kind of scheme in back to produce green glow and have bigger market prospects undoubtedly.
With fluorescent material is example, and tradition is based on the light conversion and adopt the light source of led chip generally fluorescent material to be located at the led chip surface.Its weak point is: when the luminous penetration phosphor layer of partially-excited backscattering returned led chip, because led chip has the certain absorption rate to light, this part stimulated luminescence can be reflected into the emergent light of light source fully, can have certain loss; In addition, exist between the heat that heat that led chip sends and fluorescent material send to interact, with the luminous efficiency that reduces led chip and the conversion efficiency of fluorescent material, even the life-span of shortening LED device.Therefore, the light source of this class formation is difficult to accomplish high brightness.
U.S. Pat 7; 070; 300B2 is for overcoming above-mentioned defective; Adopt a kind of method of separating LED and fluorescent material, will select sheet to reflex to collimator apparatus through wavelength from the collimation exciting light of one or more led light sources and focus on the back projection toward phosphor sheet, be provided as the emergent light of light source from the said wavelength selection sheet of the stimulated luminescence transmission of this phosphor sheet.In this scheme, the heat that heat that led chip produces and fluorescent material produce can not interact.But also there is its weak point in this scheme: generally be square or rectangle based on existing led chip, its emergent light is lambertian distribution, and collection of ability high efficiency and collimation are difficult to be designed and make from the optics module of the light of this led chip; This or also be that this invention product is not seen a business-like major reason so far.In addition; Because wavelength is selected the beam split of sheet; Exciting light fails to be provided as the emergent light of light source; When selecting blue-ray LED to be excitation source, being example, light source is if need blue light ingredient to need to such an extent that add one group of blue-ray LED again and colimated light system closes light, certainly will increase the light source cost and strengthen the volume and the structure complexity of light source.
Prior art has also proposed use light wavelength conversion wheel assembly, for example fluorescent material is arranged on the range of exposures that makes fluorescent material get into exciting light by turns on the wheel of rotation, solves the heat dissipation problem of fluorescent material itself, will help the further raising of light-source brightness.
The technical problem that summary of the invention the utility model will solve is to propose a kind of new type light wavelength conversioning wheel assembly; Be used on the light source and can realize separating of excitation source and optical wavelength conversion material, be convenient to provide various coloured light or white light simultaneously with simple light path and structure.
For solving the problems of the technologies described above, the light source that the utility model is considered accounts for body space and should make exciting light and stimulated luminescence common optical pathways for saving, and the introducing device of preferably avoiding introducing exciting light simultaneously is to stimulated luminescence reflects or transmission caused loss; Should allow stimulated luminescence to be extracted as the light source emergent light separately in addition, will allow that also the situation that stimulated luminescence and the exciting light that is not absorbed and used are extracted simultaneously exists; Therefore light source should have a brand new of simplifying, and in this structure, the light wavelength conversion wheel assembly also has one and is different from prior art constructions.
As realizing that the technical scheme that the present invention conceives is, a kind of light wavelength conversion wheel assembly is provided, comprise wheel disc, especially, said wheel disc comprises the reflective substrate of a ring-type, on this reflective substrate, carries one or more optical wavelength conversion material; The optical filter of one or more that comprise also that the subregion is provided with, and be listed in the inboard or ring outside of ring of this reflective substrate.
Specifically, each said optical filter perhaps is arranged on the said wheel disc; Perhaps be arranged on one second wheel disc with rotating shaft of said wheel disc corotation and almost parallel; And the projection of each optical filter on said wheel disc part at least drops on the inboard or ring outside of ring of said reflective substrate, and this second wheel disc is in a said wheel disc side of said optical wavelength conversion material dorsad.With the wheel disc rotating shaft is the center, sector region corresponding or corresponding one or more optical filter with arbitrary optical wavelength conversion material, perhaps correspondence the part of at least a optical filter.
In the such scheme, said wheel disc comprises the printing opacity disc; Said reflective substrate is the reflectance coating that is plated on this printing opacity disc, and said optical filter is the single or multiple lift deielectric-coating that is plated on this printing opacity disc.The thickness of optical filter or optical wavelength conversion material and the position is set makes wrong higher primary school between the sensitive surface of optical filtering face and arbitrary optical wavelength conversion material of arbitrary optical filter in 2 centimetres.
In the such scheme, also comprise said reflective substrate or optical filter are reinforced the spoke structure on the said wheel disc or second wheel disc, or comprise that also one is nested in the gear of said wheel disc periphery.
As the technical scheme that realizes the present invention's design still; A kind of light source is provided; Comprise the excitation source that is used to provide exciting light, away from the light wavelength conversion parts of excitation source, these light wavelength conversion parts comprise and are used for exciting light is converted to the optical wavelength conversion material of stimulated luminescence; Especially, also comprise and be semielliptical shape or hemispherical and light reflection surface light reflecting device inwardly; Said light wavelength conversion parts comprise the light wavelength conversion wheel assembly in arbitrary such scheme, and optical wavelength conversion material is between reflective substrate and said light reflecting device; Have a logical light mouth on the said light reflecting device, be used for introducing from the past said light wavelength conversion wheel assembly of the exciting light of excitation source; The placement of this light wavelength conversion wheel assembly makes that the optical wavelength conversion material in precalculated position gets into the illumination range of this exciting light by turns on the reflective substrate when the controlled rotation of said wheel disc; Also comprise being used for collecting stimulated luminescence or unabsorbed exciting light is the light collecting device of light source emergent light the light inlet of this light collecting device and the illumination range of said exciting light roughly the be placed in place, two focus places of semielliptical shape light reflecting device or the place, two symmetric points places that hemispherical light reflecting device closes on the centre of sphere; Optical filter on the said light wavelength conversion wheel assembly perhaps overlays on said light inlet, perhaps overlays on the light-emitting window of said light collecting device.
Adopt above-mentioned each technical scheme, have that light path is simple, optics is easy to process realizations, practical advantage, be convenient to simultaneously according to the emergent light wave-length coverage of the lighting demand accommodation light source of system and needn't be the bigger change of light-source structure do.
Description of drawings Fig. 1 has illustrated one of light source embodiment that uses the utility model light wavelength conversion wheel assembly;
Fig. 2 has illustrated a kind of embodiment that the zone is divided on the wheel disc of light wavelength conversion wheel assembly among Fig. 1;
Fig. 3 illustrated light wavelength conversion wheel assembly among Fig. 1 embodiment two;
Fig. 4 has illustrated the decomposition texture of Fig. 3;
Fig. 5 illustrated to use the utility model light wavelength conversion wheel assembly light source embodiment two;
Fig. 6 and Fig. 7 have illustrated that the zone on two wheel discs of light wavelength conversion wheel assembly is divided among Fig. 5;
Fig. 8 has illustrated a kind of example structure of light wavelength conversion wheel assembly among Fig. 5 through profile.
Below the specific embodiment, further set forth the utility model in conjunction with the most preferred embodiment shown in the accompanying drawing.
In order better to understand the structure of the utility model light wavelength conversion wheel assembly, the light source most preferred embodiment with Fig. 1 is the service condition that example is set forth this light wavelength conversion wheel assembly earlier.
Light source comprises the excitation source 110 that is used to provide exciting light among this figure, and this excitation source can be a Sony ericsson mobile comm ab, for example LED (light emitting diode) or semiconductor laser; Present embodiment is example with the blue light source.Light source also comprises the light wavelength conversion parts 200 away from excitation source among the figure, and these light wavelength conversion parts 200 are used for exciting light is converted to the optical wavelength conversion material of stimulated luminescence to comprise that light wavelength conversion wheel assembly 210 is an example, to comprise.Light source also comprises and is semielliptical shape (perhaps be hemispherical, do not illustrate) and light reflection surface light reflecting device 140 inwardly, is used for reflecting and directedly converges projection near the light the focus or the centre of sphere; For example reflecting near another focus of this light reflecting device near exciting light the focus of semielliptical shape light reflecting device or stimulated luminescence, handle was from the light reflected back centre of sphere of the centre of sphere when perhaps light reflecting device was be easy to realize hemispherical.Test finds, when light reflecting device was hemispherical, when two symmetric points about this centre of sphere symmetry were set in the position of closing on the centre of sphere, light reflecting device roughly also can converge light reflection wherein toward another point; The light loss consumption of the more approaching each other then reflection of these two symmetric points is more little.Optical wavelength conversion material should be between the wheel disc and said light reflecting device 140 of light wavelength conversion wheel assembly 210.
Have a logical light mouth on the light reflecting device 140, be used for introducing from the past said light wavelength conversion wheel assembly 210 of the exciting light of excitation source 110; When the controlled rotation of said wheel disc, the optical wavelength conversion material in precalculated position gets into the illumination range of this exciting light by turns on the wheel disc.Light collecting device 160 is used for collecting stimulated luminescence or unabsorbed exciting light and it is provided as the light source emergent light; For this reason; According to the light reflexive property of light reflecting device 140, the light inlet of this light collecting device 160 and the illumination range of said exciting light on optical wavelength conversion material should roughly the be placed in place, two focus places of semielliptical shape light reflecting device or the place, two symmetric points places that hemispherical light reflecting device closes on the centre of sphere.Like this from being of optical wavelength conversion material approximate lambertian distribution stimulated luminescence with not by the exciting light of optical wavelength conversion material absorption will reflection through light reflecting device 140 after; Collected by light collecting device 160, light source simple in structure and light extraction efficiency is better.
For the characteristic to the emergent light of light source designs, the utility model provides novel light wavelength conversion wheel assembly, with but be not limited to shown in the embodiment of Fig. 2.Light wavelength conversion wheel assembly 210 comprises wheel disc; This wheel disc comprises the reflective substrate of a ring-type; On this reflective substrate, carry one or more optical wavelength conversion material, diagram is an example with green light fluorescent powder section 241 or red light fluorescent powder section 242, the diffuse surface section 243 that do not contain fluorescent material respectively; In fact can also be in each said optical wavelength conversion material the doping scattering material to strengthen optical wavelength conversion material to the scattering process of incident light and improve the absorptivity of optical wavelength conversion material, such as but not limited to titan oxide particles or alumina particle to exciting light.In order to design the color of specific light source emergent light; Can also be close to said optical wavelength conversion material and between the periphery of optical wavelength conversion material and light reflecting device 140, optical filter is set; And make the light wavelength of optical filter selective permeation or angle different according to the difference of optical wavelength conversion material on the pairing subregion; For example corresponding with green light fluorescent powder section 241 is green color filter 232, is used for the light that green light fluorescent powder sends is filtered, and makes its color become pure.By that analogy, corresponding with red light fluorescent powder section 242 is Red lightscreening plate 231, and corresponding with blue light diffuse surface section 243 is blue filter or the two-sided glass 233 that is coated with anti-reflection film.Filter segments 231,232 and 233 and optical wavelength conversion material or scattering material section 241,242 and 243 be assembled together by a motor driven rotary Frequency Synchronization that rotating speed can require with projector.In specific demand occasion, corresponding several filter segments of a kind of optical wavelength conversion material section, the perhaps corresponding a kind of filter segments of several optical wavelength conversion material sections.Be size of saving optical filter and the selection of being convenient to light-filtering characteristic, can each optical filter 231,232 and 233 be set up in parallel the ring outside in reflective substrate.Thereby in the light source embodiment of Fig. 1, the light inlet of said smooth receiving apparatus 160 is also covered by the optical filter on the said light wavelength conversion wheel assembly 210.When wheel disc forwards diverse location to, variation has perhaps been taken place in filbtercharacteristic that should light inlet.If Red lightscreening plate 231 can reflect exciting light with green color filter 232, then arrived optical filter 231 or can be reflected back to fluorescent coating at 232 o'clock by the exciting light of green emitting phosphor 241 or red fluorescence powder 242 reflections.And the exciting light that this part is reflected can be reuptaked emission once more by optical wavelength conversion material.Optical filter 231,232 and 233 can play the effect of assisting the recycle excitation photon like this, thereby takes into account the optical efficiency of raising system.
The said reflective substrate of the carrying optical wavelength conversion material among the above-mentioned wheel disc embodiment and the position of optical filter can also be changed according to system's needs, for example the optical filter exchange are set to the ring inboard of reflective substrate, and this utility model is not illustrated in addition.
About the light wavelength conversion wheel assembly multiple other implementation structure beyond Fig. 1 can also be arranged.
One of embodiment for example, said wheel disc comprises the printing opacity disc, and said reflective substrate is the reflectance coating that is plated on this printing opacity disc, and said optical filter is the single or multiple lift deielectric-coating that is plated on this printing opacity disc.Again for example, said reflective substrate is for being positioned at said wheel disc central circular reflecting piece.Optical wavelength conversion material can be carried on by the mode with pad pasting, coating or clamping in the zone of said reflective substrate upper edge annular distribution, and is segmentation or continuous distributed.
And for example two of embodiment, also comprise said reflective substrate or optical filter are reinforced the spoke structure on said wheel disc.Shown in Fig. 3 or 4, the centre of metal wheel disc 202 is coated with highly reflecting films, and edge three spokes and wheel disc outer rim are used for holding and fixing three tablet filters 203, and live axle 201 is fastened on the metal wheel disc 202.Fig. 3 has illustrated outside the element effect of Fig. 4; Also illustrated the distribution of optical wavelength conversion material 204; For example be carried in the zone of said reflective substrate upper edge annular distribution, and be segmentation or continuous distributed (being not limited to) like an illustrated contiguous segmentation distribution mode by mode with pad pasting or coating.Wherein, optical wavelength conversion material comprises fluorescent material, nano luminescent material or luminescent dye, can combine through one or more transparent material, so that light source has the stable light characteristic that goes out.With but to be not limited to fluorescent material be example, transparent material can be transparent colloid (such as but not limited to silica gel) or transparent glass material, mixes with fluorescent material or fuses moulding; Also can be transparent thin-film material, with fluorescent material hot pressing on this transparent plastic film material; Be set on the highly reflecting films of metal wheel disc 202 by form at last with coating or pad pasting.As far as having the moistureproof fluorescent material that requires, can also come the said fluorescent material of clamping with above-mentioned any transparent material of mentioning, and can further seal.In addition, the optical wavelength conversion material 204 among Fig. 3 or 4 can only use a kind of optical wavelength conversion material, also can be the even mixing of several kinds of optical wavelength conversion materials.
Three of embodiment, keep embodiment two in the basis of reinforcing spoke structure on, be equal to the mid portion of replacing metal wheel disc 202 with a circular reflecting piece, be about to the hollow space that circular reflecting piece is inlaid into metal wheel disc 202.In order to guarantee the light utilization ratio of this light wavelength conversion wheel assembly in light source; The thickness of optical filter or optical wavelength conversion material and the position is set should makes wrong higher primary school between the sensitive surface of optical filtering face (is that example refers to deielectric-coating with one of embodiment) and arbitrary optical wavelength conversion material of arbitrary optical filter in 2 millimeters is found said two focuses or symmetric points when making things convenient for the utility model wheel assembly to be arranged in the light source shown in Figure 1 accurately.The utility model wheel assembly even can cancel live axle 201, with one be nested in said wheel disc periphery gear substitute, then the corresponding change of light wavelength conversion parts drives the servo control mechanism of this wheel assembly.
Further, if said reflective substrate dorsad the one side close proximity of optical wavelength conversion material heat abstractor is arranged, with the heat radiation that more helps optical wavelength conversion material.
Use light source such as Fig. 1 of the utility model light wavelength conversion wheel assembly, light collecting device 160 comprises lens, set of lenses, hollow light guiding rod, solid lamp guide, Hollow Compound type concentrator, solid composite type concentrator.Light reflecting device 140 can be like hollow structure in illustrated, inwall plating reflectance coating; Logical light mouth is the opening on this light reflecting device reflecting wall.Light reflecting device 140 can also be the solid transparent body that positive camber is coated with reflectance coating, and logical light mouth is a breach of said reflectance coating.To help reducing the effusion loss that logical light mouth causes stimulated luminescence if be covered with the deielectric-coating that is used for the transmission exciting light and reflects stimulated luminescence at said logical light mouth place.With this deielectric-coating have play the same tune on different musical instruments wonderful be adopt one be arranged on said logical light mouth place filter part; The curvature on a arcuation that this filter part has surface is consistent in the curvature at this logical light mouth place with said light reflecting device, and feasible being plated in is used for the transmission exciting light and reflects the deielectric-coating of stimulated luminescence and the light reflection surface of said light reflecting device smoothly is spliced into one on this arcuation surface.This filter part comprises bloomed lens or optical filtering knee-piece.Use bloomed lens also to help to improve the convergence degree of incident exciting light.
Logical light mouth can be roughly at the arcuation top of hemispheric said light reflecting device, so as from the exciting light of excitation source roughly direct projection toward optical wavelength conversion material.The area of said logical light mouth with little or equal this light reflecting device the reflective surface area 1/4 for good, to reduce the effusion loss of stimulated luminescence as far as possible.
Light source may further include between excitation source 110 and said logical light mouth spares the dodging device of light and shaping to exciting light, such as but not limited to exciting light being made into the fly eye lens array 120 that length-width ratio is 4: 3 a rectangle.According to the different user demands of projecting apparatus, stage lighting, TV or searchlight, said dodging device can also adopt other lens arra or lens 130, or adopts hollow or solid lamp guide, even adopts scattering sheet.
Light collecting device 160 can also be collected and be adjusted to collimated light or low-angle light to the light from light reflecting device 140 approximate lambertian distribution.Manufacture difficulty and the cost of considering the low-angle optical filter are less than the wide-angle optical filter, and the utility model improves Fig. 1, adopts light source as shown in Figure 5 and light wavelength conversion wheel assembly 300 thereof.The optical filter that is different from Fig. 1 embodiment is arranged on the same wheel disc; Light wavelength conversion wheel assembly among the embodiment of similar Fig. 5 also comprises and wheel disc 310 corotation rotating shafts of carrying optical wavelength conversion material and the second parallel wheel disc 330; Each optical filter is arranged on this second wheel disc 330, and the size of each optical filter and position can cover the bright dipping of light collecting device 160.Overlay on the light-emitting window of light collecting device 160 to each optical filter, both simplified the making of optical filter, reach better filter effect again.
Fig. 6 and Fig. 7 have illustrated that the zone of two cards of light wavelength conversion wheel assembly 300 is divided among Fig. 5: the annular region on the wheel disc 310 is divided into 3 311,312 and 313, can comprise at least two kinds of optical wavelength conversion materials; Annular region on second wheel disc also is divided into 3 section 331,332 and 333, comprises three kinds of optical filters at least, respectively with Fig. 7 in 3 zones corresponding.Thereby; At least a optical wavelength conversion material that the light wavelength conversion wheel assembly of the utility model comprises and the distribution of at least a optical filter can be: with the wheel disc rotating shaft is the center; Sector region corresponding or corresponding one or more optical filter with arbitrary optical wavelength conversion material, perhaps correspondence the part of at least a optical filter.Fig. 6,7 and Fig. 2 and Fig. 3 similar, the pairing sector region of a kind of optical wavelength conversion material has a kind of optical filter; The pairing sector region of perhaps a kind of optical wavelength conversion material can have two kinds of optical filters mutually arranged side by side.Otherwise, also can if make the pairing sector region of a kind of optical filter have two kinds of segmentation or above optical wavelength conversion material; Even can make the pairing sector region of optical filter and the pairing sector region of adjacent light material for transformation of wave length staggered.More than all, decide according to the change color demand of light source.The utility model light wavelength conversion wheel assembly can be carried out high speed rotation by driving, thereby uses such as but not limited to the light source that is used for optical projection system; Also can be by timing driven in rotation and location, thus use such as but not limited to the light source that is used for stage lighting.
Equally, also can comprise the spoke structure that is used for reinforcing optical filter on second wheel disc, no longer carefully chat here.Fig. 8 has illustrated a kind of concrete structure of light wavelength conversion wheel assembly 300 among Fig. 5: the wheel disc 310 that carries optical wavelength conversion material is fixing and coaxial through support 320 with second wheel disc 330 that carries optical filter, comes driven rotary by same motor 340.The light-emitting window of light collecting device (such as but not limited to the taper square rod) 160 is covered by optical filter, so the height of support 320 is not shorter than the length of light collecting device 160.This Fig. 8 structure also can further be improved to: for example with one be close to wheel disc 310 heat abstractor replace the said motor 340 that is fixed on the support 320, make this light wavelength conversion assembly 300 by the motor driven rotary through a belt that is enclosed within tubular support 320 peripheries.Because this type of drives non-the utility model emphasis, and is prior art, the utility model is enumerated no longer one by one.

Claims (11)

1. a light wavelength conversion wheel assembly comprises wheel disc, it is characterized in that:
Said wheel disc comprises the reflective substrate of a ring-type, on this reflective substrate, carries one or more optical wavelength conversion material;
The optical filter of one or more that comprise also that the subregion is provided with, and be listed in the inboard or ring outside of ring of this reflective substrate.
2. light wavelength conversion wheel assembly according to claim 1 is characterized in that:
Each said optical filter perhaps is arranged on the said wheel disc; Perhaps be arranged on the rotating shaft of said wheel disc corotation and parallel second wheel disc on; And the projection of each optical filter on said wheel disc part at least drops on the inboard or ring outside of ring of said reflective substrate, and this second wheel disc is in a said wheel disc side of said optical wavelength conversion material dorsad.
3. light wavelength conversion wheel assembly according to claim 1 and 2 is characterized in that:
With the wheel disc rotating shaft is the center, sector region corresponding or corresponding one or more optical filter with arbitrary optical wavelength conversion material, perhaps correspondence the part of at least a optical filter.
4. light wavelength conversion wheel assembly according to claim 1 is characterized in that:
Said wheel disc comprises the printing opacity disc; Said reflective substrate is the reflectance coating that is plated on this printing opacity disc, and each said optical filter is the single or multiple lift deielectric-coating that is plated on this printing opacity disc.
5. light wavelength conversion wheel assembly according to claim 1 and 2 is characterized in that:
The said wheel disc or second wheel disc also comprise the spoke structure that is used for reinforcing said reflective substrate or optical filter.
6. light wavelength conversion wheel assembly according to claim 1 is characterized in that:
Said reflective substrate is for being positioned at said wheel disc central circular reflecting piece.
7. according to claim 1 or 6 described light wavelength conversion wheel assemblies, it is characterized in that:
Said optical wavelength conversion material is carried in the zone of said reflective substrate upper edge annular distribution by the mode with pad pasting, coating or clamping, and is segmentation or continuous distributed.
8. light wavelength conversion wheel assembly according to claim 1 is characterized in that:
Comprise that also one is nested in the gear of said wheel disc periphery.
9. light wavelength conversion wheel assembly according to claim 1 is characterized in that:
Said reflective substrate dorsad the one side close proximity of optical wavelength conversion material heat abstractor is arranged.
10. a light source comprises the excitation source that is used to provide exciting light, and away from the light wavelength conversion parts of excitation source, these light wavelength conversion parts comprise and are used for exciting light is converted to the optical wavelength conversion material of stimulated luminescence; It is characterized in that:
Also comprise and be semielliptical shape or hemispherical and light reflection surface light reflecting device inwardly;
Said light wavelength conversion parts comprise that optical wavelength conversion material is between reflective substrate and said light reflecting device like each described light wavelength conversion wheel assembly of claim 1~10;
Have a logical light mouth on the said light reflecting device, be used for introducing from the past said light wavelength conversion wheel assembly of the exciting light of excitation source; The placement of this light wavelength conversion wheel assembly makes that the optical wavelength conversion material in precalculated position gets into the illumination range of this exciting light by turns on the reflective substrate when the controlled rotation of said wheel disc;
Also comprise being used for collecting stimulated luminescence or unabsorbed exciting light is the light collecting device of light source emergent light the light inlet of this light collecting device and the illumination range of said exciting light roughly the be placed in place, two focus places of semielliptical shape light reflecting device or the place, two symmetric points places that hemispherical light reflecting device closes on the centre of sphere;
Optical filter on the said light wavelength conversion wheel assembly perhaps covers the light inlet of said light collecting device, perhaps covers the light-emitting window of said light collecting device.
11. light source according to claim 10 is characterized in that:
Said light collecting device comprises lens, set of lenses, hollow light guiding rod, solid lamp guide, Hollow Compound type concentrator, solid composite type concentrator;
Said light reflecting device is interior hollow structure, inwall plating reflectance coating, and logical light mouth is the opening on this light reflecting device reflecting wall; Perhaps said light reflecting device is the solid transparent body that positive camber is coated with reflectance coating, and logical light mouth is a breach of said reflectance coating.
CN2010207014290U 2010-12-08 2010-12-30 Light wavelength conversion wheel assembly and light source with the same CN202109406U (en)

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US9274407B2 (en) 2011-09-22 2016-03-01 Delta Electronics, Inc. Phosphor device and illumination system and projection apparatus with the same
US10281810B2 (en) 2011-09-22 2019-05-07 Delta Electronics, Inc. Projection apparatus comprising phosphor wheel coated with phosphor agents for converting waveband light
US10310363B2 (en) 2011-09-22 2019-06-04 Delta Electronics, Inc. Phosphor device with spectrum of converted light comprising at least a color light
US9726335B2 (en) 2011-09-22 2017-08-08 Delta Electronics, Inc. Phosphor device and manufacturing method thereof having a second phosphor agent to increase the luminous intensity of a converted color light
US10688527B2 (en) 2011-09-22 2020-06-23 Delta Electronics, Inc. Phosphor device comprising plural phosphor agents for converting waveband light into plural color lights with different wavelength peaks
WO2013063902A1 (en) * 2011-11-03 2013-05-10 深圳市光峰光电技术有限公司 Colour wheel assembly, light source system and projecting device
CN102721006A (en) * 2012-02-16 2012-10-10 深圳市光峰光电技术有限公司 Light emitting device
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US10281638B2 (en) 2015-09-07 2019-05-07 Delta Electronics, Inc. Wavelength converting module and light-source module applying the same
CN109541879A (en) * 2015-11-28 2019-03-29 佳能株式会社 Light source optical system and the projection display equipment for using light source optical system
WO2017101772A1 (en) * 2015-12-14 2017-06-22 深圳市绎立锐光科技开发有限公司 Fluorescent wheel and projector
CN106933009A (en) * 2015-12-30 2017-07-07 深圳市光峰光电技术有限公司 Light supply apparatus and the optical projection system including the light supply apparatus
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CN108563088A (en) * 2016-02-26 2018-09-21 海信集团有限公司 A kind of laser light-source device
CN108267919A (en) * 2016-02-26 2018-07-10 海信集团有限公司 A kind of laser light-source device
CN108255007A (en) * 2016-02-26 2018-07-06 海信集团有限公司 A kind of laser light-source device
CN108267920A (en) * 2016-02-26 2018-07-10 海信集团有限公司 A kind of laser light-source device
CN107305313A (en) * 2016-04-19 2017-10-31 台达电子工业股份有限公司 Fluorometer arrangement
CN107065411A (en) * 2017-03-29 2017-08-18 李龙 Fluorescence filter wheel and its light-source system, optical projection system
CN109426056A (en) * 2017-09-01 2019-03-05 海信集团有限公司 Colour wheel, laser projection light source and laser projection device
US10732496B2 (en) 2017-09-01 2020-08-04 Hisense Co., Ltd. Color wheel and laser projection apparatus
CN109557750A (en) * 2017-09-26 2019-04-02 中强光电股份有限公司 Lighting system and the projection arrangement for using lighting system
CN109932858A (en) * 2017-12-18 2019-06-25 中强光电股份有限公司 Lighting system and projection arrangement
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