CN205992115U - Light-source system and projector equipment - Google Patents

Light-source system and projector equipment Download PDF

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Publication number
CN205992115U
CN205992115U CN201620857607.6U CN201620857607U CN205992115U CN 205992115 U CN205992115 U CN 205992115U CN 201620857607 U CN201620857607 U CN 201620857607U CN 205992115 U CN205992115 U CN 205992115U
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China
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light
guide assembly
stimulated
smooth guide
source
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胡飞
郭祖强
李屹
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Shenzhen Appotronics Corp Ltd
Shenzhen Appotronics Technology Co Ltd
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Shenzhen Yili Ruiguang Technology Development Co Ltd
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Abstract

This utility model provides light-source system and projector equipment, and light-source system, including exciting light sources, the first supplementary light source, the first smooth guide assembly, Wavelength converter and the second smooth guide assembly.Exciting light sources are used for sending exciting light；First supplements light source is used for sending the first supplementary light.First smooth guide assembly is used for guiding exciting light to Wavelength converter.Wavelength converter is used for for exciting light being converted into Stimulated Light, and by Stimulated Light outgoing to the first smooth guide assembly.First smooth guide assembly is additionally operable to guide Stimulated Light so that the smooth guide assembly of Stimulated Light directive second.At least part of part of the second smooth guide assembly is arranged at light path after the first smooth guide assembly outgoing for the Stimulated Light.Second smooth guide assembly be used for guiding Stimulated Light and first supplement one of light or both so that first supplements light and at least part of Stimulated Light from identical exit channel outgoing.This utility model can greatly improve the first light utilization efficiency supplementing light.

Description

Light-source system and projector equipment
Technical field
This utility model is related to optical technical field, more particularly, it relates to light-source system and projector equipment.
Background technology
At present, solid state light emitter is due to the features such as its life-span length, environmental protection, aobvious in general illumination, special lighting and projection It is widely used in showing.Wherein, white solid state light source even more has huge development potentiality in lighting field.
Prior art provides a kind of white light source realizing super brightness using LASER Excited Fluorescence powder, this white light light Source excites YAG using the bluish violet color laser of 440nm-455nm wavelength：The yellow fluorescent powder of Ce material, generates efficient yellow Fluorescence, then the blue laser complementary with yellow fluorescence is formed in the blue laser of 440nm-470nm using wavelength, yellow fluorescence and Form white light source after blue laser closing light.
This white light source can be used for the field of projection display needing higher source luminance.Such as monolithic, biplate, three-chip type DLP, LCD or LCOS projector etc..The white light that this white light source sends spectrally is divided into HONGGUANG, green glow and blue light Three kinds of primary lights, incide on one or more optical modulation device, such as DMD, LCD chip or LCOS chip respectively.Quilt Three kinds of primary lights of RGB after optical modulation device modulation are spectrally put together again and are exported by a projection lens Coloured image is formed on screen.
Because the efficiency comparison of bluish violet color laser is high, heat stability and long-term reliability are good.YAG：The fluorescent material of Ce material Luminous quantum efficiency high, heat stability is good, so bluish violet color laser and YAG：Ce fluorescent material combined to form one efficiently The white light source of rate, high reliability, and high brightness.That is, for biplate and three-panel projection instrument, typically using blue Violet laser and yellow fluorescent powder are implemented in combination with white light source.
However, YAG is being excited using bluish violet color laser：The fluorescent material of Ce material is formed in the white light source of white light, due to YAG：The yellow spectrum intensity of the fluorescent material stimulated emission of Ce material weakens in red color segment, so that this kind of white light source There is white balance problem, that is, white light equilibrium point deviates Planck blackbody curve, assumes a kind of partially green white.
In order to avoid the white balance problem of biplate and three-panel projection instrument, prior art provides a kind of the white of filtration synthesis In light, superfluous green color components are so that white balance point returns on Planck blackbody curve, to solve the problems, such as white balance.But it is this Method is due to having filtered green color components, thus reducing the light extraction efficiency of this white light source.
Prior art provides another kind of method increasing red laser in yellow fluorescence or red fluorescence to solve The white balance problem of white light source, such as supplements laser near 638nm or 650nm for the spectral region in yellow fluorescence, with Increase the red color components in closing light, thus solving the problems, such as white balance.
As shown in figure 1, the structure of the light-source system increasing red laser in yellow fluorescence providing for prior art.Should Light-source system includes blue excitation light source 11, red supplementary light source 12, has the light splitting optical filter of central area and marginal area 13, colour wheel 14, collecting lenses 15 and dodging device 16.The wherein central area transmission blue light of light splitting optical filter 13 and HONGGUANG, Reflection green glow, marginal area reflection HONGGUANG, green glow and blue light.So, blue laser light source 11 sends blue excitation light and The central area through light splitting optical filter 13 for the HONGGUANG that red supplementary light source 12 sends is transmitted through colour wheel 14, and the yellow on colour wheel 14 is glimmering Light powder absorb blue excitation light HONGGUANG is scattered simultaneously, outgoing yellow fluorescence and scattering after HONGGUANG, yellow fluorescence and dissipate HONGGUANG after penetrating is incident to light splitting optical filter 13 through collecting lenses 15, and the yellow being incident to the central area of light splitting optical filter 13 is glimmering Green glow in light is reflected onto dodging device 16, be incident to the yellow fluorescence of the marginal area of light splitting optical filter 13 and HONGGUANG also by Reflex to dodging device 16, and after being incident to HONGGUANG and the scattering in the yellow fluorescence of the central area of light splitting optical filter 13 HONGGUANG is transmitted and loses.
In above-mentioned existing white light source, because the HONGGUANG that red supplementary light source sends is caused to damage by fluorescent material scattering Lose, substantially lose 5%-10%.Collected by collecting lenses after forming lambert's light distribution and cause damage, substantially loss 10%, then by The central area transmission of light splitting optical filter and lose a part of light, substantially lose 10% about, thus leading to red supplement light source The loss of the HONGGUANG sending is larger, and the light utilization efficiency of HONGGUANG is relatively low, probably in 60-70%, and red supplement light source due to Relatively costly, have higher requirements simultaneously for radiating again, need harsh radiating condition, therefore HONGGUANG utilization rate is low can lead to into This be significantly increased, this is unfavorable, in the same manner, in order to obtain preferable green glow, also can be using adding green laser in light source Mode, similar to the increase mode of red laser added above, equally exist the low problem of utilization rate.
For single-panel projection instrument, typically sequential is produced using blue, green, the red color segment that bluish violet color laser excites sequential Red, green, blue constitute white light, i.e. by bluish violet color laser offer itself, green glow excites green fluorescence for bluish violet color laser to blue light Powder produces, and red color segment produces for bluish violet color laser excitated red fluorescent powder, and red fluorescence powder is in higher energy density situation Under, there is serious efficiency attenuation problem, lead to HONGGUANG accounting too low, affect white balance and picture quality.
In order to avoid the white balance problem of single-panel projection instrument, by the way of the general red light color section using increase in prior art To keep white balance, but this can reduce white brightness and overall light efficiency.
Therefore, for the deficiencies in the prior art, need the utilization rate proposing to improve the supplementary light source such as redness, green badly Technical scheme.
Utility model content
In view of this, this utility model provides a kind of light-source system and projector equipment, is included with solving prior art The low problem of the red light utilization ratio supplementing the HONGGUANG that light source sends in interior supplementary light source or other color of light.
For realizing said one purpose, this utility model provides following technical scheme：A kind of light-source system, it includes exciting Radiant, the first supplementary light source, the first smooth guide assembly, Wavelength converter and the second smooth guide assembly, wherein：Excitation light Source is used for sending exciting light；First supplements light source is used for sending the first supplementary light.First smooth guide assembly is used for drawing exciting light It is directed at Wavelength converter；Wavelength converter is used for for exciting light being converted into Stimulated Light, and by Stimulated Light outgoing to the first light Guide assembly.First smooth guide assembly is additionally operable to guide Stimulated Light so that the smooth guide assembly of Stimulated Light directive second；Second light draws At least part of part of guide assembly is arranged at light path after the first smooth guide assembly outgoing for the Stimulated Light.Second light guiding group Part be used for guiding at least part of Stimulated Light and first supplement one of light or both so that first supplements light and is at least partly subject to Laser is from identical exit channel outgoing.
Further, the first smooth guide assembly includes light splitting part and reflecting part, light splitting part transmission/reflection/angle exciting light And the corresponding at least part of Stimulated Light of reflection/transmission, reflecting part is further directed to the guiding of small part Stimulated Light directive the second light Assembly.
Further, the second smooth guide assembly includes selectivity opticses, selectivity opticses reflection/transmission first Supplement light, or reflection/transmission first supplements light and at least part of Stimulated Light of corresponding transmission/reflection/angle.
Further, selectivity opticses are the optical filtering that reflection first supplements light and at least part of Stimulated Light of transmission Piece, or supplement light and the reflector plate to the reflection of at least part of Stimulated Light or polaroid for reflection first, or set for region Put plated film or region arranges the optical filter of polaroid.
Further, the second smooth guide assembly also includes being arranged between the first supplementary light source and selectivity opticses Scattering part or/and even smooth part.
Further, the second smooth guide assembly also includes the second collecting lenses, and the second collecting lenses are used for being scattered First supplementary light of part or/and even smooth part converges to selectivity opticses, and first supplements the converging focal point of light in choosing On selecting property opticses.
Further, light-source system also includes filtering apparatus, and filtering apparatus are located at the first smooth guide assembly and the second light draws Between guide assembly, or it is located on identical exit channel.
Further, Wavelength converter is reflective colour wheel, and filtering apparatus are filter wheel, and filter wheel is arranged on reflection The periphery of formula colour wheel or inner circumferential and structure integral with one another.
Further, the second smooth guide assembly is located between the first smooth guide assembly and filter wheel, or is located at from filter The downstream of the light path of the light of halo outgoing.
Further, Wavelength converter is transmission-type colour wheel, and filtering apparatus are filter wheel, filter wheel and transmission-type color Wheel split setting, at least part of part of the second smooth guide assembly is located in the gap between filter wheel and transmission-type colour wheel.
Further, the respective shaft parallel of filter wheel and transmission-type colour wheel or overlap.
Further, light-source system also includes dodging device, and dodging device is located on identical exit channel.
Further, light-source system also includes filtering apparatus and dodging device, and filtering apparatus are located at the first smooth guide assembly Two of which part between, dodging device be located at exit channel after filtering apparatus for the Stimulated Light on, first supplement light source On exit channel after dodging device for the Stimulated Light described in the second smooth guide assembly.
Further, exciting light is blue light, purple light or ultraviolet light.
Further, the first supplementary light is one of HONGGUANG, green glow or blue light or more.
Further, the first supplementary light source includes two, and two first supplementary light sources send respectively as HONGGUANG and green glow First supplement light, the second smooth guide assembly also includes beam splitter, and HONGGUANG and green glow are through beam splitter outgoing to selective light Department of the Chinese Academy of Sciences's part.
Further, Wavelength converter includes material for transformation of wave length, and material for transformation of wave length is yellow fluorescent powder.
Further, the first etendue supplementing light is less than the etendue of Stimulated Light.
For realizing another purpose above-mentioned, this utility model provides a kind of projector equipment, and projector equipment includes above-mentioned Light-source system.
Compared with prior art, technical scheme provided by the utility model has advantages below：
This utility model passes through to supplement the first supplementary light in Stimulated Light, such that it is able to improve the first supplementary light in closing light Ratio, simultaneously because through the second light light guide assembly directly by least part of Stimulated Light from identical exit channel outgoing, and First supplements light not through the scattering of Wavelength converter, thus avoiding this first supplementary light due to Wavelength converter The light loss scattering and causing, greatly improves the light utilization efficiency of this first supplementary light.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the light-source system that Fig. 1 provides for prior art；
The structural representation of the light-source system that Fig. 2 provides for this utility model first embodiment；
The structural representation of the light-source system that Fig. 3 provides for this utility model second embodiment；
Fig. 4 is that in embodiment illustrated in fig. 3, the reflecting rate of plated film of selectivity opticses and first supplements light, Stimulated Light The corresponding relation schematic diagram of spectrum；
Fig. 5 is the light transmittance of the plated film of selectivity opticses in the another embodiment of this utility model second embodiment The corresponding relation schematic diagram supplementing light, the spectrum of Stimulated Light with first；
The structural representation of the light-source system that Fig. 6 provides for this utility model 3rd embodiment；
Fig. 7 is the light transmittance of the plated film of selectivity opticses in the another embodiment of this utility model 3rd embodiment The corresponding relation schematic diagram supplementing light, the spectrum of Stimulated Light with first；
The structural representation of the light-source system that Fig. 8 provides for this utility model fourth embodiment；
The structural representation of the light-source system that Fig. 9 provides for this utility model the 5th embodiment；
The structural representation of the light-source system that Figure 10 provides for this utility model sixth embodiment；
The structural representation of the light-source system that Figure 11 provides for this utility model the 7th embodiment.
Specific embodiment
This utility model provides a kind of light-source system, and this light-source system includes at least two light sources, Wavelength converter, First smooth guide assembly and the second smooth guide assembly.Wherein at least two light source includes exciting light sources and first and supplements light source, Wherein：Exciting light sources are used for sending exciting light, and first supplements light source sends the first supplementary light.First smooth guide assembly is used for will The exciting light that exciting light sources send guides to Wavelength converter.Exciting light can be converted into through Wavelength converter is excited Light, and by this Stimulated Light outgoing to the first smooth guide assembly, the first smooth guide assembly is additionally operable to guide Stimulated Light directive second light Guide assembly.Preferably, this first etendue supplementing light is less than the etendue of Stimulated Light.Second smooth guide assembly For guide at least part of Stimulated Light and first supplement one of light or both so that first supplements light and is at least partly excited Light is from identical exit channel outgoing.
Preferably, the physical dimension of this selectivity optics included by the second smooth guide assembly can be according to exciting light Amount of light loss when amount of light loss during chosen property opticses, the first supplementary light chosen property opticses, Stimulated Light warp One of amount of light loss during selectivity opticses or multiple combination are configured.
This utility model additionally provides a kind of projector equipment, including light-source system as above.
Light-source system provided by the utility model includes at least two light sources, and this at least two light source includes excitation light Source and first supplements light source, and the exciting light that exciting light sources send is guided to Wavelength converter by the first smooth guide assembly, Stimulated Light is converted into by Wavelength converter visible excitation light, Stimulated Light is guided by the first smooth guide assembly draws to the second light Guide assembly, the etendue that the first supplementary light source sends is less than the etendue of Stimulated Light, and first supplements light passes through second Light guide assembly guides to identical exit channel outgoing with being at least partly excited an actinic light step of going forward side by side, so by being excited Supplement first in light and supplement light, such that it is able to improve the ratio of the first supplementary light in closing light, simultaneously because in this identical outgoing Dodging device or dodging device and filtering apparatus can be arranged on passage, the second smooth guide assembly directly can supplement light guiding by first Guide to dodging device to dodging device or by the first supplementary light through filtering apparatus, without dissipating through Wavelength converter Penetrating, thus avoiding the light loss that this first supplementary light is caused due to the scattering of Wavelength converter, drastically increasing example As this first light utilization efficiency supplementing light for HONGGUANG, the light utilization efficiency of HONGGUANG probably can improve to more than 80%.
It is more than core concept of the present utility model, for enabling above-mentioned purpose of the present utility model, feature and advantage more Plus become apparent, below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in detail.
Elaborate a lot of details in the following description in order to fully understand this utility model, but this practicality is new Type can also be different from alternate manner described here to implement using other, and those skilled in the art can be without prejudice to this reality With doing similar application in the case of new intension, therefore this utility model is not limited by following public specific embodiment.
Secondly, this utility model is described in detail with reference to schematic diagram, when describing this utility model embodiment in detail, for ease of Illustrate, represent that the profile of device architecture can be disobeyed general ratio and made partial enlargement, and described schematic diagram is example, its This should not limit the scope of this utility model protection.Additionally, the three-dimensional space of length, width and depth should be comprised in actual fabrication Between size.
Describe in detail below by several embodiments.
Embodiment one
Present embodiments provide a kind of light-source system 20, as shown in Fig. 2 this light-source system 20 includes two light sources, respectively It is exciting light sources 21 and first supplements light source 22, also include the first smooth guide assembly 23, Wavelength converter 24, the second light draw Guide assembly 25.In the present embodiment, the ripple in reflective (is such as applied directly to for reflective colour wheel 24 with Wavelength converter Long conversion layer) as a example, certainly, this Wavelength converter can also for transmission-type Wavelength converter (as include transparency carrier with And mix the material for transformation of wave length within transparency carrier).Wherein material for transformation of wave length includes but is not limited to fluorescent material, quantum dot Material etc..Wavelength conversion layer is diaphragm of wavelength conversion material layer or material for transformation of wave length and bonding agent sintering etc..Excellent Choosing, this material for transformation of wave length can be yellow fluorescent powder, yellow-green fluorescence powder, green light fluorescent powder etc..Specifically real as one kind Apply mode, for example, region that the first smooth guide assembly 23 includes being oppositely arranged arranges the spectrum part of the total reflection piece 231 of plated film The reflecting part of part and for example, illuminator 232, as being totally reflected piece 231 and a kind of specific arrangement of illuminator 232, entirely Reflector plate 231 with respect to the horizontal plane becomes different 45° angle to arrange with illuminator 232.It is incident that total reflection piece 231 corresponds to exciting light Region is provided with plated film and with transmission exciting light and reflects Stimulated Light, other regions all be set to reflect Stimulated Light, exciting light or both.Enter One step, supplement the optical purity of light (described further below) in order to improve Stimulated Light or Stimulated Light and first, can justify The periphery of shape and color wheel or the annular filter wheel of inner circumferential setting are that is to say, that reflective colour wheel and filter wheel are structure as a whole, in this reality In new, the reflective colour wheel of integrative-structure and filter wheel, taking the annular filter wheel of periphery setting of circular colour wheel as a example.Instead Penetrate the species of material for transformation of wave length on formula or transmission-type colour wheel and subregion, and corresponding one or (the making below of split Further illustrate) species of optical filter of filter wheel and subregion can be according to practical situation depending on, and colour wheel and filter wheel Each the anglec of rotation matches subregion.In order to improve the utilization rate of exciting light and Stimulated Light, the first smooth guide assembly 23 is acceptable Including between total reflection piece 231 and reflective colour wheel 24, between total reflection piece 231 and illuminator 232, illuminator 232 and filter The first collector lens 233 being respectively provided between halo 26 and between filter wheel 26 and the second smooth guide assembly 25, the first optically focused Lens 233 can be using convex lenss, concavees lens or a combination of both etc., and the number of first collector lens 233 can basis Depending on being actually needed.
Above-mentioned exciting light sources 21 and the first supplementary light source 22 are respectively used to send exciting light and the first supplementary light.This excites Radiant 21 and the first supplementary light source 22 include solid-state light-emitting component respectively, and this solid-state light-emitting component is single Sony ericsson mobile comm ab Or it is the Sony ericsson mobile comm ab array including multiple Sony ericsson mobile comm abs.Wherein Sony ericsson mobile comm ab can be laser diode Or light emitting diode (LED) etc. (LD).This exciting light is blue light, purple light or ultraviolet light etc..The spectrum of this first supplementary light Scope is different from the spectral region of this exciting light, and the first spectral region supplementing light is narrower than the spectral region of Stimulated Light, to improve Stimulated Light and first supplements the color saturation of the closing light of light.Preferably, this first etendue supplementing light is less than Stimulated Light Etendue.For for example, this first color supplementing the first supplementary light that light source 22 sends can be according to Stimulated Light Different require to be configured, such as when lack in Stimulated Light or certain color not enough light when, then this first supplement that light is should The light of kind of color, such as this first supplement light can be HONGGUANG, green glow, blue light etc. one or more it is preferable that this first benefit Fill light color lack with above-mentioned Stimulated Light or deficiency light certain color consistent, first supplement light be such as solid state light emitter The laser sent out, Stimulated Light is for example to be excited produced fluorescence by material for transformation of wave length, and the spectrum due to laser and fluorescence has Overlap, therefore, it can by carrying out etendue closing light to both, thus obtaining the light filling of better image quality and Geng Gao Efficiency.
Second smooth guide assembly 25 includes selectivity opticses 251, in addition, supplementing light to obtain more preferable first Light-out effect, the second smooth guide assembly 25 also include being arranged on first supplement between light source 22 and selecting property opticses 251 can Diffusion sheet 252 as scattering part and can be as the fly's-eye lens of even smooth part to 253, wherein, diffusion sheet 252 can be to first The first supplementary light that the solid-state light-emitting component that supplementary light source 22 includes sends carries out eliminating coherence process, and this diffusion sheet 252 can be The diffusion sheet of rotation, diffusion sheet of vibration etc., first due to being sent to solid-state light-emitting component by diffusion sheet 252 is supplemented light and enters Row eliminating coherence is processed, thus avoiding the speckle phenomena of the closing light presence that Stimulated Light supplements light with first.Additionally, it is preferred that, Second collecting lenses 254 are set between fly's-eye lens pair and selectivity opticses 251, such that it is able to will be through fly's-eye lens to even After light first is supplemented light and converges to selectivity opticses 251 it is preferable that the second collecting lenses 254 and selectivity optics The mutual alignment of part 251 is arranged to first and supplements the converging focal point of light on selectivity opticses 251, because first supplements The converging focal point of light is on selectivity opticses 251, and the first supplementary light is reflexed to outgoing and leads to by selectivity opticses 251 Road, thus reduce the area being used on selectivity opticses 251 that reflection first supplements light, accordingly, it is possible to reduce with first The Stimulated Light of the close Stimulated Light of spectral region supplementing light or the partly light comprising this close spectral region passes through this area When by the light loss caused by being reflected, improve light utilization efficiency.Additionally, the first smooth guide assembly can also include can be used as even light The square rod (not shown) of device, this square rod is arranged on the first collector lens between filter wheel 26 and the second smooth guide assembly 25 Between 233 and filter wheel 26.
Hereinafter selectivity opticses are described in detail it will be understood that, any one selectivity of described below Opticses not only can be applied in the present embodiment it is also possible to be applied in other each embodiments, unless otherwise stated.Select Property opticses reflection first supplement light or reflection first supplements light and at least part of Stimulated Light of transmission.Can implement as one kind Mode, selectivity opticses are the optical filter including center diaphragm and edge diaphragm, and the size of wherein this center diaphragm is little Size in edge diaphragm.Center diaphragm and edge diaphragm can be integral type diaphragm, or are individually separated formula diaphragm.In this The size of heart diaphragm can supplement light through amount of light loss during center diaphragm, exciting light through light loss during center diaphragm according to first Vector, Stimulated Light are configured through one of amount of light loss during center diaphragm or multiple combination.Can be real as another The mode applied, selectivity opticses are single reflector plate or polaroid, or this selectivity optics includes reflector plate Or polaroid and the fixture (not shown) for fixing this reflector plate or polaroid, setting plating on reflector plate or polaroid So that reflector plate or polaroid reflection first supplement light, at least part of Stimulated Light is not subject to the reflection of reflector plate and transmission to film, preferably , the size of reflector plate and polaroid supplements the hot spot that is incident in one of both of light with first and matches, that is, reflector plate or The Zone Full of polaroid by plated film, such that it is able to reduce the unfavorable shadow of the reflector plate or polaroid such as reflection to Stimulated Light Ring.In addition, reflector plate can not also include plated film, then the partially-excited light being incident on reflector plate in Stimulated Light can be all anti- Penetrate and be unable to transmission, this partially-excited light therefore can be caused to have larger light loss, but with respect to setting plated film on reflector plate For, can be with reduces cost.As another enforceable mode, selectivity opticses are optical filter, during this optical filter is Heart district domain setting the first filming or polaroid, arrange the situation of plated film, the plated film area of this optical filter for filter center region The one side reflection first in domain supplements light, the part in another side transmission Stimulated Light or Stimulated Light but with the in reflection Stimulated Light The close light of the spectral region of one complementary colors is thus cause necessarily to lose.Filter center region is set to the situation of polaroid, The marginal area transmission Stimulated Light of optical filter, polaroid is for the first polaroid supplementing light, and that is, this polaroid is to having the The first of one polarization state supplements light reflection, supplements light transmission to second with the second polarization state, but it is known that, typically For, light source 22 is supplemented for include solid-state light-emitting component first, its first supplementary light being sent can be controlled to be basic There is a kind of light of polarization state, such as P state, therefore, above-mentioned polaroid supplements what light was reflected to first with P polarization state Meanwhile, transmission is carried out to the partially-excited light with S-polarization state in Stimulated Light, and for example can include as the fluorescence of Stimulated Light P state and the light of two kinds of polarization states of S state, therefore, supplement light entrance area setting polaroid by corresponding to first in optical filter, can Supplement the light of light different polarization states and first in Stimulated Light with first and supplement light from identical exit channel outgoing to guide, because This, Stimulated Light only has the light of P polarization state can be lost by reflection through the light of polarizer region, therefore reduces Stimulated Light and passes through The loss of polaroid, the utilization ratio of Stimulated Light is higher.As another kind of enforceable mode, centered on selectivity opticses Region arranges the wavelength filter of the second plated film, and this second plated film has different optical filtering curves to the light of different polarization states, for example, Supplement the HONGGUANG that light is P polarization state for first, and the green glow, blue light and the HONGGUANG that are respectively provided with two kinds of polarization states that Stimulated Light includes Situation, what this second plated film can be reflected into P polarization state HONGGUANG first supplements light, and the P in transmission Stimulated Light and S-polarization state The blue light of green glow, P and S-polarization state and S-polarization state HONGGUANG, in Stimulated Light only have P polarization state HONGGUANG can by second plate Film reflects and loses, and therefore sets polaroid compared to above-mentioned filter center region, and this polaroid only allows included by each light The transmission of one of the light of two kinds of polarization states situation, this second plated film can allow in each light included by partly light two Plant light all transmissions of polarization state, therefore can reduce the loss through the second plated film for the Stimulated Light further.Preferably, above-mentioned various The center diaphragm of each optical filter of embodiment, central area setting the first filming, the area of the polaroid of central area or The area of second plated film of central area setting of wavelength filter is respectively less than the 50% of useful facula area.Wherein useful hot spot Area refers to the area of the hot spot that the Stimulated Light of Wavelength converter outgoing is formed on whole optical filter.Furthermore it is possible to reason Solution, above-mentioned with regard to center, central area location expression not necessarily, also dependent on being actually needed and adjustment position. It may also be noted that the foregoing describing, selectivity opticses reflection first supplements light or reflection first supplements light transmission At least partly situation of described Stimulated Light, but, according to light path design, opticses arrangement etc. needs or pass through Suitably adjusted with reference to any of the above-described kind of selectivity opticses so that selectivity opticses transmission first supplement light or Person's transmission first supplements light and reflects at least partly described Stimulated Light.
Referring to Fig. 2, carried out with the above-mentioned light-source system that a specific example provides to this utility model embodiment Explanation.Assume that the exciting light that exciting light sources 21 send is blue excitation light B, first supplements the first supplementary light that light source 22 sends For HONGGUANG R, in addition, enforceable, first to supplement light can also be green glow, or the first supplement light can include HONGGUANG and green Light.Wavelength converter is reflective Wavelength converter, and material for transformation of wave length is yellow fluorescent powder, then above-mentioned light-source system 20 light path principle is as follows：Blue excitation light B sequentially passes through total reflection piece 231 and the first collector lens that region arranges plated film 233 are incident to colour wheel 24, excite yellow fluorescent powder produced yellow Stimulated Light Y of colour wheel 24 or yellow Stimulated Light Y and not by Blue excitation light B of conversion is reflected onto first collector lens 233, and then further, yellow Stimulated Light Y is totally reflected piece 231 reflect, and blue excitation light B do not changed is penetrated and is totally reflected piece in addition to the coating film area incident corresponding to exciting light Other regions are reflected, and then, yellow Stimulated Light Y or yellow Stimulated Light Y and blue excitation light B do not changed are directed to First collector lens 233 and illuminator 232 and then be incident to filter wheel 26, and be incident to and can make further across filter wheel 26 For selectivity opticses, central area setting polaroid 251A optical filter 251.The yellow to polaroid 251A for the outgoing The polarization state identical light quilt that in Stimulated Light Y, the light different from the polarization state of the first supplementary light is transmitted and supplements light with first This polaroid 251A reflects and loses, and therefore, decreases the polarization state supplementing light with first being reflected by polaroid in Stimulated Light Different light, improves the utilization rate of Stimulated Light.To optical filter 251, the yellow of the exterior domain except polaroid 251A is excited for outgoing Light Y is transmitted.HONGGUANG R that first supplementary light source 22 sends is scattered that piece 252 eliminating coherence is processed and even to 253 through fly's-eye lens Light post-concentration to polaroid 251A and is reflected onto exit channel.As such, it is possible to supplement HONGGUANG R in Stimulated Light, first supplements HONGGUANG R of light can realize etendue closing light by polaroid 251A with red Stimulated Light.Because this HONGGUANG R is without wavelength The scattering of conversion equipment, directly being guided to exit channel by polaroid 251A, thus decreasing the light loss of this HONGGUANG R, carrying The high light utilization efficiency of this HONGGUANG R.It is appreciated that HONGGUANG R and yellow Stimulated Light Y can be incident to light by identical exit channel Modulation device, the such as optic modulating device of single piece type or three-chip type DMD.
In the present embodiment, by the first smooth guide assembly, the exciting light that exciting light sources send is guided to wavelength convert Device, and the Stimulated Light of Wavelength converter outgoing is guided to the filtering apparatus smooth guide assembly of directive second again, and pass through The first supplementary light that first supplementary light source sends is guided the Stimulated Light with the smooth guide assembly of directive second by the second smooth guide assembly Closing light simultaneously injects exit channel, because first supplements the scattering without Wavelength converter for the light, thus greatly reducing the One light loss supplementing light, improves the first light filling efficiency supplementing light.
It is emphasized that in order that description is more succinct, below in the description to other embodiments and its respective drawings No longer repeat one by one and reference with embodiment one identical part and structure, be referred to the above and learn.
Embodiment two
Present embodiments provide another kind of light-source system 30, as shown in figure 3, this light-source system 30 and the light source shown in Fig. 2 The setting differring primarily in that the second smooth guide assembly 35 of system 20, specifically, the second smooth guide assembly 35 is compared to reality Apply example 1, do not supplement setting scattering part and even smooth part between light source 32 in selectivity opticses 351 and first, further , supplement light and setting dodging device 37 on the identical exit channel of Stimulated Light outgoing first.Specifically shown with one below The above-mentioned light-source system 30 that example provides to the present embodiment illustrates it is assumed that the exciting light that exciting light sources 31 send is blue sharp Luminous B, the first supplementary light that the first supplementary light source 32 sends is HONGGUANG R, and Wavelength converter is reflective colour wheel 34, and wavelength Transition material stimulated luminescence excites one or more of the blue B of generation, green G, Stimulated Light of red R, and this Stimulated Light is concrete Depending on situation can be according to the quantity of optical modulation device and type, Stimulated Light through the first smooth guide assembly 33 guiding from reflective Colour wheel 34 outgoing is simultaneously incident to filter wheel 36, the smooth guide assembly 35 of the further directive of Stimulated Light second after filter wheel 36 outgoing Selectivity opticses 351, and with can supplement the common outgoing of HONGGUANG R of light to can be used as the compound eye of dodging device as first Lens are to 37.For further, in the present embodiment, first supplements light source 32 adopts red laser array, and it sends red laser R, Using blue laser array, it sends blue laser B to exciting light sources 31, and blue laser B excites can be used as wavelength on reflective colour wheel 34 The fluorescent material of transition material produces above-mentioned one or more of fluorescence, and red laser R and red fluorescence are in selectivity opticses 351 Plated film at by the way of propagation closing light, referring to Fig. 4, Fig. 4 schematically illustrates red laser spectrum RL and red fluorescence The reflecting rate curve CR of the plated film of spectrum RP and selectivity opticses 351, due to red laser spectrum wave-length coverage relatively Narrow, the wave-length coverage of the spectrum of red fluorescence is wider, certain for red laser spectrum RL and the peak wavelength of red fluorescence spectrum RP In the range of, the partly wave-length coverage corresponding to red fluorescence spectrum RP1 (as shown in the overstriking curve in Fig. 4) and reflecting rate curve CR It is respectively provided with lap with the wave-length coverage of reflecting rate curve CR, it follows that plated film can not while to red laser-bounce Understand to the red fluorescent reflection with the many corresponding wavelength of lap with avoiding, thus causing certain loss of red fluorescence, but It is, because the wave-length coverage of the spectrum of red fluorescence is wider, by band logical and the band resistance of reasonable setting plated film, to correspond to overstriking The red fluorescence of the wave-length coverage of partly red fluorescence spectrum RP2 (as shown in phantom in figure 4) on the right side of curve RP1 will not be reflected And be transmitted and utilize and the common outgoing with red laser, improve the utilization rate of Stimulated Light.In addition, red laser takies fly's-eye lens pair The 37 less region in center, above-mentioned blueness B, green G, red R one or more of fluorescence take remaining region, finally It is imaged onto on optical modulation device, red laser and fluorescence all can form the good hot spot of uniformity, and this hot spot is further through projection lens Ultimately form image observed by human eye, therefore, take full advantage of fly's-eye lens and light even to light is divided with forming good face Cloth, thus, while saving the opticses of such as scattering part and even smooth part with reduces cost, still ensure that outgoing Light acceptable preferably within the scope of.In addition, with further reference to Fig. 5, as further another embodiment, for above-mentioned There are the selectivity opticses 351 of the plated film of characteristic shown in Fig. 4, this selectivity optics 351 can also improve further To increase, also there is the polarization step response shown in Fig. 5, for example a kind of feasible improved procedure, improved selectivity opticses can To be obtained by arranging plated film in polaroid, improved selectivity opticses have the reflecting rate shown in figure 4 above and Fig. 5 And light transmission rate.Hot laser R is S-polarization state light, and Stimulated Light is red fluorescence and the light including P state and two kinds of polarization states of S state When, this improved selectivity optics reflects HONGGUANG R of S-polarization state, and, to except right with red laser R spectral region institute Outside answering the light reflection of the S-polarization state in the roughly the same red fluorescence of wave-length coverage to cause damage, positioned at above-mentioned roughly the same The P state that red fluorescence outside wave-length coverage has and the light of two kinds of polarization states of S state may pass through this improved selective light Department of the Chinese Academy of Sciences's part 351 and transmission, such that it is able to largely reduce red fluorescence while ensureing that red laser R has very high light filling efficiency Loss, therefore, from the above mentioned, by this improved selectivity optics 351 can to red laser incident thereon and Red fluorescent optics realizes propagation closing light and polarization state closing light.
Embodiment three
Present embodiments provide another kind of light-source system 40, as shown in fig. 6, this light-source system 40 and the light source shown in Fig. 3 Differring primarily in that of system 30 increased one first supplementary light source 42 ', and specifically, first supplements light source 42 and the first benefit Fill the same side that light source 42 ' is arranged in selectivity opticses 451, the first supplementary light source 42 ' and first supplements light source 42 and is located at The both sides of the beam splitter 455 included by the second smooth guide assembly 45, this beam splitter 455 utilizes wavelength light splitting so that first Supplement light source 42 ' and first supplement light source 42 one of lighted transmission another reflect and from same light path outgoing to Selectivity opticses 451, therefore, even if setting two first supplementarys light sources, selectivity opticses 451 corresponding to own The area of the first incident area supplementing light expands without corresponding, such that it is able to avoid when the selectivity opticses 451 The increase of light loss.In addition, need to know, two or more first sending two kinds or more different colours light is supplemented Light source, these first supplement light sources can also the outgoing respectively through corresponding the second different smooth guide assembly, for example, Assume two first supplementary light sources send two kinds of different colours light, with respect to Stimulated Light through filter wheel optical path direction, wherein Before one first supplementary light source and the corresponding second smooth guide assembly are arranged on filter wheel, another first supplements light source And corresponding second smooth guide assembly be arranged on filter wheel after.Additionally, need to know is it is also possible in one first supplement In light source, setting can send the solid state light emitter of two different colors of light, and this two different colors of light is along substantially parallel direction Outgoing is to the second smooth guide assembly.With a specific example, the above-mentioned light-source system 40 that the present embodiment provides is said below Bright it is assumed that the exciting light that sends of exciting light sources 41 is blue excitation light B, first supplement that light source 42 sends first supplement light and be HONGGUANG R, the first supplementary light that the first supplementary light source 42 ' sends is green glow G, and Wavelength converter is reflective colour wheel 44, and ripple Long transition material stimulated luminescence excites produced yellow Stimulated Light Y of generation or yellow Stimulated Light Y and the blueness do not changed to swash Luminous (not shown).Stimulated Light from the outgoing of reflective colour wheel 44 and is incident to filter wheel through the guiding of the first smooth guide assembly 43 46, the smooth guide assembly 45 of the further directive of Stimulated Light second after filter wheel 46 outgoing, and with chosen property opticses 451 HONGGUANG R of reflection or/and the common outgoing of green glow G are to can be as the fly's-eye lens of dodging device to 47.In the present embodiment, due to One supplements light source two, and sends the first supplementary light for HONGGUANG R and green glow G respectively, therefore, it can according to actual needs, Respectively HONGGUANG R and green glow G are supplemented to the Stimulated Light of for example, red fluorescence and green fluorescence, thus obtaining more preferably picture quality.
In addition, as another embodiment, the color that the above-mentioned first supplementary light source 42 ' can be lighted is replaced with by green Blue, i.e. two first supplementary light sources send respectively and supplement indigo plant laser and supplement red laser.What exciting light sources 41 sent excites Blue laser excitation wavelength transition material can produce yellow fluorescence.Preferably, when this sends the first supplementary light source works of blue laser, The exciting light sources 41 material for transformation of wave length not excited do not work.With further reference to Fig. 7, Fig. 7 schematically illustrates Excite blue laser spectrum BE, the spectrum RP supplementing indigo plant laser spectrum BL, supplementing red laser, yellow fluorescence spectrum YP and selectivity Light transmittance curve CT of the plated film of opticses 451, first supplements the wave-length coverage of blue laser that light source sent is more than the The wave-length coverage of the blue laser that one light source 41 is sent, specifically, using close to hepatic indigo plant laser as exciting blue laser Excitated fluorescent powder, because hepatic indigo plant laser excitation efficiency is higher with respect to the blue laser of other wavelength, therefore, using shortwave Length excites blue LASER Excited Fluorescence powder, and the somewhat supplementary indigo plant laser of long wavelength, as the blue primary light of light-source system, both achieved Efficient fluorescence excitation, in turn ensure that the pure of colour gamut.And, by the reasonable light transmittance curve arranging this plated film so that Plated film to excite blue laser transmission, supplement indigo plant laser and supplement red laser-bounce while transmission the overwhelming majority yellow fluorescence, Therefore, the plated film with light transmittance curve characteristic shown in Fig. 7 can subtract while the light filling efficiency ensureing to supplement light as far as possible Few loss that Stimulated Light is caused.Further, since the blue laser B that excites that exciting light sources 41 send excites reflective colour wheel 44 institute Substantially blue light is not included, therefore, by arranging the first supplementary light source of the blue laser of a transmitting, this blue light in the yellow fluorescence Y producing Chromaticity coordinates be arranged to closer to colour gamut require, when light-source system blue light components or all by this first supplement light source launched Blue light when providing, the chromaticity coordinates of blue light can more preferably, and certainly, utilization rate is also higher.In addition, this excites blue laser and first to supplement Light can be reflected by selectivity opticses 451 and with yellow Stimulated Light Y outgoing to identical exit channel, this first supplements light The supplementary indigo plant laser distance subsequent optical path that source is sent is nearer, therefore, supplements indigo plant laser and needs not move through the first smooth guide assembly, from And decrease the certain light loss that unavoidably causes of each part supplementing indigo plant laser through the first smooth guide assembly, Ke Yiman Sufficient light-source system 40 needs the situation of larger amount of blue light.
Example IV
Present embodiments provide another kind of light-source system 50, as shown in figure 8, shown in this light-source system 50 and Fig. 2,3 and 6 Light-source system differ primarily in that first supplements the position of light source 52 and the second smooth guide assembly 55, the second smooth guide assembly 55 Included part, specifically, for Stimulated Light incidence can be as the light path of the filter wheel of filtering apparatus, above each After in embodiment second smooth guide assembly 55 is arranged at filter wheel, and the in the present embodiment second smooth guide assembly 55 sets Put with filter wheel 56 before.For the present embodiment be used for the above-mentioned light-source system 50 being provided is illustrated one concrete Example, the situation of exciting light included by it and Stimulated Light is identical with embodiment one, will not be described here.With reference to Fig. 8, can be used as the Under one reflection of selectivity opticses 551 in the second smooth guide assembly 55 for HONGGUANG R supplementing light and yellow Stimulated Light Y or Yellow Stimulated Light Y and the common outgoing of blue excitation light B do not changed are to filter wheel 56, in the present embodiment, the second light guiding The selectivity opticses 551 of assembly 55 are arranged between illuminator 532 and filter wheel 56, and selectivity opticses 551 guide HONGGUANG R that reflects through it and yellow Stimulated Light Y being reflected through illuminator 532 or yellow Stimulated Light Y and do not changed The common outgoing of blue excitation light B is to filter wheel 56.In addition, as a kind of interchangeable embodiment, the second smooth guide assembly 55 Selectivity opticses 551 can also be arranged on region and arrange and (do not scheme between the total reflection piece 531 of plated film and illuminator 532 Show), selectivity opticses 551 guide HONGGUANG R reflecting through it and yellow Stimulated Light Y being reflected through total reflection piece 531 Or yellow Stimulated Light Y and the common outgoing of blue excitation light B do not changed to illuminator 532 are gone forward side by side and one are walked out of and be incident upon filter wheel 56.And, the Stimulated Light after filter wheel 56 and first is supplemented light and is incident to the 3rd collecting lenses 59 and even light dress further Put (not shown).It is preferred that in the present embodiment, the second smooth guide assembly 55 also includes being arranged at the first supplementary light source 52 He Diffusion sheet 552 between selectivity opticses 551 and the 4th collecting lenses 554, with regard to setting diffusion sheet 552 and the 3rd optically focused The advantage of lens 554 refers to the related content in foregoing embodiments one and learns.In the present embodiment, because first supplements light The position that source and the second smooth guide assembly are arranged make use of the gap between illuminator 532 and filter wheel 56, can make light source system The more compact structure of system.
Embodiment five
Present embodiments provide another kind of light-source system 60, as shown in figure 9, this light-source system 60 and the light source shown in Fig. 8 The differring primarily in that included by the structure of Wavelength converter 64 and filtering apparatus 66, the first smooth guide assembly 63 of system 50 The position of part, the first supplementary light source 62 and the second smooth guide member 65, specifically, can turn as wavelength in the present embodiment The transmission-type colour wheel 64 of changing device and can be Split type structure as the filter wheel 66 of filtering apparatus, both are respectively arranged at exciting light In blue excitation light B and the emitting light path of Stimulated Light that light source 61 sends, at least part of part of the second smooth guide assembly 65 sets Put in the gap between the transmission-type colour wheel 64 and filter wheel 66 of split.With a specific example, the present embodiment is carried below For above-mentioned light-source system 60 illustrate it is assumed that exciting light sources 61 send blue excitation light B, first supplement light source 62 sends First supplement light be HONGGUANG R.Blue excitation light first passes around the first collector lens 631 included by the first smooth guide assembly 63 It is incident to above-mentioned transmission-type colour wheel 64 and produces Stimulated Light, the color of this Stimulated Light can be any in above-mentioned other each embodiment A kind of situation, the selectivity opticses 651 of Stimulated Light smooth guide assembly 65 of directive second after transmission-type colour wheel 64 transmission And with for the common outgoing of HONGGUANG R to filter wheel 66 it is preferred that in transmission-type colour wheel 64 and selectivity opticses 651 assembly Between first collector lens 631 included by arrangement the first smooth guide assembly 63, and, the Stimulated Light through filter wheel 66 and red Light R is incident to further can be as the fly's-eye lens of dodging device to 67.In the present embodiment, by by the second smooth guide assembly 65 selectivity opticses 651 are arranged in the gap between the transmission-type colour wheel 64 of split and filter wheel 66, make full use of This gap, therefore, contributes to reducing the overall space shared by optical system 60.In addition, general, filter wheel 66 also has scattered Penetrate the effect of i.e. eliminating coherence, therefore compared to embodiment 4, also can accordingly reduce in the present embodiment and be arranged at the first supplementary light source Diffusion sheet and selectivity opticses between, thus cost-effective.
Embodiment six
Present embodiments provide another kind of light-source system 70, as shown in Figure 10, this light-source system 70 and the light source shown in Fig. 8 System 50 differ primarily in that second supplements the position of light source 72 and the second smooth guide assembly 75, the second smooth guide assembly 75 institute Including part, therefore, repeat no more for same parts in Fig. 8 and example IV and light path, specifically, reference picture 10, the second smooth guide assembly 75 of the present embodiment includes selectivity opticses 751, and this selectivity optics 751 is transmission First supplements light and reflects Stimulated Light or Stimulated Light and the exciting light do not changed with common outgoing to being arranged in outside colour wheel 74 Side and with the filter wheel 76 of colour wheel 74 one on it is known that, the second smooth guide assembly 75 can also include being arranged at first and supplement Diffusion sheet 752 between light source 72 and selectivity opticses 751 and the 4th collecting lenses 754.Specifically shown with one below The above-mentioned light-source system 70 that example provides to the present embodiment illustrates, and can pass through as the first HONGGUANG R supplementing light can be used as choosing The region of selecting property opticses arranges the total reflection piece 751 of plated film, the central area of total reflection piece 751 be provided with transmission HONGGUANG R and Reflection yellow Stimulated Light Y or the plated film of yellow Stimulated Light Y and blue excitation light B do not changed, the edge of total reflection piece 751 Region reflection yellow Stimulated Light Y or yellow Stimulated Light Y and blue excitation light B do not changed, thus, total reflection piece 751 draws Lead HONGGUANG R and Stimulated Light Y or HONGGUANG R, yellow Stimulated Light Y and the common outgoing of blue excitation light B do not changed to filter wheel On 76.In addition, similar, supplement, with reference to first, the arrangement that light source 72 is with respect to selectivity opticses 751, first supplements The total reflection piece 731 that light source 72 can also arrange plated film with respect to region is arranged, in such cases, first supplements light source 72 transmission Through being totally reflected the plated film of piece 731, Stimulated Light or Stimulated Light and the exciting light do not changed through total reflection piece except plated film with Outer region 731 is reflected, thus common outgoing is to illuminator, the effect of the illuminator described in this illuminator and example IV Identical.That is, above-mentioned total reflection piece 731 can supplement light and exciting light with transmission first and reflect Stimulated Light or Stimulated Light The exciting light do not changed.From the above mentioned, in the present embodiment, the position of the first supplementary light source is more flexible, in addition, relatively In other each embodiments above it is to be understood that the first smooth guide assembly and the second smooth guide assembly actually include phase Same part, that is, shared same parts, therefore, contribute to reducing the cost of light-source system.
Embodiment seven
Present embodiments provide another kind of light-source system 80, as shown in figure 11, because first supplements light through opticses When, inevitably there is certain light loss, therefore, in order to improve the first light filling efficiency supplementing light further, reduce the One quantity supplementing the opticses that light is passed through, first in the present embodiment supplements light source 82 and the second smooth guide assembly 85 sets Put on exit channel after dodging device 87 for the Stimulated Light.The present embodiment is done more with a specific example below The explanation of body, repeats no more for same parts in Fig. 3 and embodiment two and light path.From being arranged in colour wheel 84 outside and color Taking turns the Stimulated Light outgoing after filter wheel 86 outgoing of 84 one extremely can be as the fly's-eye lens of dodging device to 87, after even light Stimulated Light and can as first supplement light HONGGUANG R for example, region arrange plated film total reflection piece 851 selective light Common outgoing under the guiding of department of the Chinese Academy of Sciences's part, specifically, HONGGUANG R can be through the transmission of the plated film of total reflection piece 851, through even light Rear Stimulated Light or Stimulated Light and the exciting light do not changed can be anti-with exterior domain through the plated film of total reflection piece 851 Penetrate, and, above-mentioned coating film area can also reflect spectrum corresponding wavelength scope incident thereon and HONGGUANG R different or with red The spectrum corresponding wavelength scope difference of light R and the different partially-excited light of polarization state, thus common outgoing, with regard to being totally reflected piece 851 concrete structure and effect are referred to draw above, no longer describe in detail.The light of above-mentioned common outgoing is through identical exit channel It is incident to light valve 88, this identical exit channel can arrange illuminator, collecting lenses etc., light valve can be DMD, LCD, LCOS Deng.In the present embodiment, with respect to Stimulated Light through the incident dodging device 87 of first collector lens 833 light path, optical system 80 First supplement after light source 82 and the second smooth guide assembly 85 be arranged at dodging device 87, can largely reduce red Light R through opticses quantity, reduce the light loss of HONGGUANG R, the light utilization efficiency of HONGGUANG R probably can improve to 90% with On.It is appreciated that the first smooth guide assembly 83 includes first collector lens 833 and dodging device 87, also in the present embodiment It is to say, the two of which part that filter wheel 86 is located at the first smooth guide assembly is between two first collector lens 833.In addition, In order to supplement light eliminating coherence and even light to first, setting scattering between light source 82 and total reflection piece 851 can also be supplemented first To 853, therefore, even if first supplements the even light action without dodging device 87 for the light, it still can ensure for piece 852 and fly's-eye lens Higher uniformity.
The each embodiment of summary understands, primary object of the present utility model is by reasonably arranging selective light The plated film that plated film on department of the Chinese Academy of Sciences's part or selectivity opticses integrally adopt, is less than according to the etendue that first supplements light The etendue of Stimulated Light so that both carry out etendue closing light at plated film, on this basis, further can root It is less than the wave spectrum of Stimulated Light according to the first wave spectrum supplementing light so that both also carry out wavelength closing light at plated film, separately Outward, preferably (for example, the polarization state of laser may be controlled to essentially one to supplement the polarizability of light also dependent on first further Kind), and Stimulated Light includes the light (for example, the polarization state of fluorescence includes two kinds) of two kinds of polarization states, therefore, both also can be made to carry out Polarization state closing light is that is to say, that by the reasonable characteristic arranging plated film, supplement light and Stimulated Light light for first, both are permissible Only pass through propagation closing light it is also possible on the basis of realizing propagation closing light, further carry out wavelength closing light or/and partially Polarization state closing light, thus not only having improve the first light filling efficiency supplementing light but also having decreased the loss of Stimulated Light.Furthermore, described herein First supplement light and the common outgoing of Stimulated Light and include using any of the above-described light combination mode so that first supplements light and part is subject to Laser is jointly through the situation of plated film outgoing.With regard to the reasonable setting of above-mentioned plated film, be referred to embodiment two and Figure 4 and 5, And embodiment three and Fig. 7 described content have made the technique of plated film and method with reference to this area and have obtained, in addition, knowable Be, for the center diaphragm of the optical filter described in literary composition, filter center region setting polaroid, wavelength filter center The plated film of second plated film, single reflector plate or polaroid of region setting is all referred to above-mentioned contents and arranges them Reflecting rate or light transmittance curve, thus obtaining corresponding technique effect.Additionally, the plated film described in literary composition is only a kind of concrete act Example explanation, should not be used as limiting, as long as that can play that plated film herein played can carry out selective transmission and anti-to not sharing the same light The opticses penetrated, all within this utility model protection domain.
This utility model additionally provides a kind of projector equipment, and this projector equipment includes the light source system in any of the above-described embodiment System.
It should be noted that according to practical situation, even smooth part mentioned above and dodging device can be respectively adopted even Optical wand or fly's-eye lens pair, mainly so that the first supplementary light is as HONGGUANG as a example illustrate above, but should not be as limit, the first benefit Filling light can also be green glow, blue light etc..In addition, the structure of filtering apparatus and position can also be according to the light through filtering apparatus Being actually needed and setting of color regime and common emitting light path direction, for example, is different from the optical filtering described in this explanation The rotating shaft of wheel overlaps or parallel situation with the rotating shaft of colour wheel, and the rotating shaft of filter wheel can also be arranged to the rotating shaft Cheng You with colour wheel Elect 45 ° of certain angle as.Furthermore, selectivity opticses can be according to the wavelength of light incident thereon, polarization state or two At least part of light in situations such as combination of person and selective transmission or/and reflection Stimulated Light.Further, employed in above-mentioned light path The combination of the reflection to exciting light and Stimulated Light and through-transmission technique means can do certain change according to actual needs, example As total reflection piece can be substituted with X mirror, now, exciting light can be reflexed to colour wheel by X mirror, and Stimulated Light also can be anti-by X mirror It is incident upon illuminator.In addition it is also possible to using the transmission-type colour wheel being structure as a whole and filter wheel, now, the first smooth guide assembly Be additionally included in Stimulated Light light path setting for reflecting Stimulated Light to the reflecting part of filter wheel.Also have again, the above Common outgoing can be understood as the outgoing simultaneously of plural light it is understood that be more than one light sequential outgoing, right The description of this common outgoing be mostly intended to illustrate be the exit channel of each smooth outgoing be identical, not should being limited property understanding.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, Every equivalent structure made using this utility model description and accompanying drawing content or directly, be indirectly used in other correlations Technical field, is accordingly to be regarded as including in scope of patent protection of the present utility model.

Claims (16)

1. a kind of light-source system is it is characterised in that include exciting light sources, the first supplementary light source, the first smooth guide assembly, wavelength Conversion equipment and the second smooth guide assembly, wherein：
Described exciting light sources are used for sending exciting light；
Described first supplements light source is used for sending the first supplementary light；
Described first smooth guide assembly is used for guiding described exciting light to described Wavelength converter；
Described Wavelength converter is used for for described exciting light being converted into Stimulated Light, and by described Stimulated Light outgoing to described first Light guide assembly；
Described first smooth guide assembly is additionally operable to guide described Stimulated Light so that the second light guiding group described in described Stimulated Light directive Part；
At least part of part of described second smooth guide assembly is arranged at described Stimulated Light from the described first smooth guide assembly outgoing In light path afterwards；
Described second smooth guide assembly is used for guiding at least partly described Stimulated Light and described first to supplement one of light or two Person is so that the described first supplementary light and at least partly described Stimulated Light are from identical exit channel outgoing.
2. light-source system according to claim 1 it is characterised in that described first smooth guide assembly include light splitting part and Reflecting part, exciting light described in described light splitting part transmission/reflection/angle and corresponding reflection/transmission at least partly described Stimulated Light, institute State reflecting part and guide the second smooth guide assembly described in described at least part of Stimulated Light directive further.
3. light-source system according to claim 1 is it is characterised in that described second smooth guide assembly includes selectivity optics Part, the first supplementary light described in described selectivity opticses reflection/transmission, or the first supplementary light and phase described in reflection/transmission Answer transmission/reflection/angle at least partly described Stimulated Light.
4. light-source system according to claim 3 is it is characterised in that described selectivity opticses are reflection described first Supplement the optical filter of at least part of described Stimulated Light of light and transmission, or supplement light and not at least part of for reflection described first At least part of region of described Stimulated Light reflection arranges reflector plate or the polaroid of plated film, or arranges plated film or region for region The optical filter of setting polaroid.
5. light-source system according to claim 3 is it is characterised in that described second smooth guide assembly also includes being arranged at institute State first and supplement scattering part or/and even smooth part between light source and described selectivity opticses.
6. light-source system according to claim 3 is it is characterised in that described second smooth guide assembly also includes the second optically focused Lens, described second collecting lenses are described for converging to the be scattered part or/and even smooth part described first supplementary light Selectivity opticses, and the converging focal point of described first supplementary light is on described selectivity opticses.
7. light-source system according to claim 1 is it is characterised in that described light-source system also includes filtering apparatus, described Filtering apparatus are located between the described first smooth guide assembly and the second smooth guide assembly, or are located at described identical exit channel On.
8. light-source system according to claim 7 it is characterised in that described Wavelength converter be reflective colour wheel, institute Stating filtering apparatus is filter wheel, and described filter wheel is arranged on the periphery of described reflective colour wheel or inner circumferential and knot integral with one another Structure.
9. light-source system according to claim 8 is it is characterised in that described second smooth guide assembly is located at described first light Between guide assembly and described filter wheel, or the downstream being located at the light path of Stimulated Light from filter wheel outgoing.
10. light-source system according to claim 7 it is characterised in that Wavelength converter be transmission-type colour wheel, described filter Electro-optical device is filter wheel, and described filter wheel is arranged with described transmission-type colour wheel split, at least portion of described second smooth guide assembly Sub-unit is located in the gap between described filter wheel and described transmission-type colour wheel.
11. light-source systems according to claim 10 it is characterised in that described filter wheel and described transmission-type colour wheel each The axis of rotation is parallel or overlaps.
12. light-source systems according to claim 7 are it is characterised in that described light-source system also includes dodging device, described Dodging device is located on described identical exit channel.
13. light-source systems according to claim 1 are it is characterised in that described light-source system also includes filtering apparatus and even Electro-optical device, described filtering apparatus are located between the two of which part of the described first smooth guide assembly, and described dodging device is located at On exit channel after described filtering apparatus for the described Stimulated Light, the described first supplementary light source and the second smooth guide assembly are located at On exit channel after described dodging device for the described Stimulated Light.
14. according to claim 1 light-source system it is characterised in that described first supplement light be HONGGUANG, in green glow or blue light One or more.
15. according to claim 3 light-source system it is characterised in that described first supplement light source include two, described two First supplementary light source sends the first supplementary light for HONGGUANG and green glow respectively, and described second smooth guide assembly also includes light splitting unit Part, described HONGGUANG and described green glow are through described beam splitter outgoing to described selectivity opticses.
A kind of 16. projector equipments are it is characterised in that described projector equipment includes the light source described in any one of claim 1 to 15 System.
CN201620857607.6U 2016-08-09 2016-08-09 Light-source system and projector equipment Active CN205992115U (en)

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