CN107783360A - Light supply apparatus and display system - Google Patents
Light supply apparatus and display system Download PDFInfo
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- CN107783360A CN107783360A CN201610722065.6A CN201610722065A CN107783360A CN 107783360 A CN107783360 A CN 107783360A CN 201610722065 A CN201610722065 A CN 201610722065A CN 107783360 A CN107783360 A CN 107783360A
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- light
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- exciting
- supply apparatus
- exciting light
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Projection Apparatus (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of light supply apparatus and display system, the light supply apparatus includes excitation source, scattering device, Wavelength converter and region light-dividing device.The region light-dividing device includes at least two first areas and at least one second area.The Part I exciting light that the excitation source is sent is guided to the scattering device, at least one second area and guides the Part II exciting light that the excitation source is sent to the Wavelength converter by least two first area.The scattering device is provided to the light supply apparatus after being scattered to the Part I exciting light that at least two first area is reflected goes out optical channel.The Part II exciting light of transmission is converted to stimulated light by the Wavelength converter, and the stimulated light is also reflexed to out optical channel by least two first area with least one region at least one second area.The light extraction color homogeneity of the light-source system is preferable.
Description
Technical field
The present invention relates to a kind of light supply apparatus and display system.
Background technology
At present, more and more extensive application LASER Light Source is all started in display (such as projection field) and lighting field, by
In with energy density height, the small advantage of etendue, in high-luminance light source domain, LASER Light Source gradually substitutes bulb
And LED light source.And among these, excite yellow fluorescent powder to produce the light source of white light as excitation source using blue laser and fill
Put, so that its light efficiency is high, stability is good, low cost and other advantages turn into the main flow applied.
However, under the blue laser shooting condition of high-energy-density, general yellow fluorescent powder needs to make rotating color wheel
Form to solve the problems, such as scattering, it is alternatively that, typically from reflective colour wheel, it has, and to bear energy density big, to light
The advantages of disperse of spot is small.In the composition of white light source device, typically had using the form of blue light+gold-tinted two-way, i.e. light source
There are two independent light paths, final closing light, which causes system complex, cost height.It can also use in addition relatively simple
Blue light+gold-tinted scheme, i.e., assign to two-way according to a certain percentage by blue light, is still used as blue light all the way, and another way excites yellow glimmering
With blue light closing light after light powder generation gold-tinted, white light is formed, this scheme is the scheme of more brief and practical in principle, but according to
From the point of view of actual conditions, after blue light excites yellow fluorescent powder, have significant component of blue light and do not absorbed, and in final light extraction mistake
This some blue light is substantially lost in journey, and detrimental effect is caused hence for the light efficiency of system.Meanwhile work as in complete machine
In, because blue spectrum is narrower, after the plated film Jing Guo whole system, the ratio of blue light at different zones can be caused different,
Thus influence is caused on picture uniformity, in addition, carrying out closing light using above-mentioned framework but sending non-white light（Such as orange, indigo plant
Other color of light such as color）Light supply apparatus equally there is also the problem of structure is complex, light extraction color homogeneity is bad.It is based on
More than, there is an urgent need to a kind of structure it is relatively simple or to a certain extent solve glow color homogeneity question light supply apparatus.
The content of the invention
To solve the technical problem that prior art light source apparatus structure is complex or glow color uniformity is bad, have
Necessity provides that a kind of structure is relatively simple or the more uniform light supply apparatus of glow color.
Also it is necessary to provide a kind of display system using above-mentioned light supply apparatus.
A kind of light supply apparatus, the light supply apparatus include excitation source, scattering device, Wavelength converter and region light splitting
Device, the region light-dividing device include at least two first areas and including second areas, wherein：
The excitation source is used to send exciting light, and at least two first area is used to receive first in the exciting light
Part exciting light simultaneously guides the Part I exciting light received to the scattering device, and the second area is used to connect
Receive the Part II exciting light in the exciting light and guide the Part II exciting light to the Wavelength converter,
The scattering device is used to be scattered the Part I exciting light, and the Part I exciting light after scattering is carried
The region light-dividing device is supplied to, the second area is additionally operable to guide the Part I exciting light after scattering to the light source
Device goes out optical channel,
The Wavelength converter is used to the Part II exciting light being converted to stimulated light, and by the stimulated light provide to
The region light-dividing device, at least two first area are additionally operable to guide the stimulated light to institute with the second area
State out optical channel.
In one embodiment, the excitation source includes exciting optical arrays, and the excitation source sends at least two beams
Excitation beam；The first area is correspondingly arranged with a branch of excitation beam, and by corresponding excitation beam part or
All reflex to the scattering device.
In one embodiment, the luminous intensity of the excitation beam is weakened from beam center toward periphery；Firstth area
The center in domain is corresponding with the center of corresponding excitation beam.By the way that the center of the first area and institute is right
The center for the excitation beam answered can correspondingly be such that the highest intense part of the excitation beam is reflected by the first area, thus
The area of the first area can be arranged to smaller, so can further reduce light extraction irregular colour.
In one embodiment, the area of the first area is divided less than corresponding excitation beam in the region
The facula area formed on device.Because the area of the first area is divided less than corresponding excitation beam in the region
The facula area formed on device so that the first area can be all anti-by the highest intense part of the laser beam
Penetrate, and the utilization rate of the first area is higher, in the absence of regions such as the corners for not playing reflex, and then firstth area
The area in domain can also be arranged to smaller, further reduction light extraction irregular colour.
In one embodiment, the quantity for the excitation beam that the quantity of the first area is sent with the excitation source
It is equal.In present embodiment, the high intense part of each excitation beam has a first area to be guided（Reflection is saturating
Penetrate）, the scheme of its high intense part, all first area institutes are guided relative to some excitation beams first area without corresponding to
In the case that the exciting light ratio that excitation source shared by the exciting light of guiding is sent is fixed, total face of first area can be reduced
Product, it is colour inhomogeneous so as to reduce light extraction.Because if the quantity of first area is less than the exciting light that the excitation source is sent
The quantity of beam, relative to the quantity of the first area feelings equal with the quantity for the excitation beam that the excitation source is sent
Shape, make a reservation in order that the ratio for the exciting light that excitation source shared by obtaining the exciting light that all first areas are guided is sent reaches one
Ratio is, it is necessary to extend the area of first area, and more smaller toward light beam periphery beam intensity, the face of extension required for first area
Product is bigger, and so as to which the gross area of first area can be caused to increase, increase light extraction is colour inhomogeneous.And in the present embodiment, will
The quantity of the first area is arranged to equal with the quantity for the excitation beam that the excitation source is sent, and can greatly improve out
The uniformity of light color.
In one embodiment, each first area has equal area.In present embodiment, described first
Region quantity is equal with the quantity for the excitation beam that the excitation source is sent and center corresponding on the basis of, each described the
One region has equal area, relative to the number of the excitation beam sent in the first area quantity and the excitation source
Each unequal scheme of first area area on the basis of measuring corresponding to equal and center, ensureing all first areas
In the case that the exciting light ratio that excitation source shared by the exciting light guided is sent is fixed, each firstth area of the present embodiment
There is equal area the gross area of all first areas can be allowd to reach minimum in domain, so as to reduce light extraction irregular colour
Even property.Because in the situation that the exciting light ratio that excitation source shared by the exciting light that all first areas are guided is sent is fixed
Under, if the area of each first area is unequal, for example the area of a first area is smaller, then at least another firstth area
The area in domain needs the exciting light ratio that excitation source shared by the larger exciting light that just can guarantee that all first areas and guided is sent
It is fixed, and if the area of one first area reduces 10%, because the intensity of excitation beam is gradual to the periphery from center
Weaken, the area of the increased first area of described at least another area must increase the area more than 10%（It may need to increase
20% area）It just can guarantee that the exciting light ratio that excitation source shared by the exciting light that all first areas are guided is sent is fixed,
The gross area when gross area of so all first areas is than the first area area equation is increased, so as to be unfavorable for
Ensure out the uniformity of light color.Therefore, in present embodiment, each first area has equal area, not only can be with
The guiding of same degree is carried out to multi beam excitation beam（Transmission or reflection）, and the gross area of all first areas can be ensured
Minimum, therefore light extraction color homogeneity is more preferably.
In one embodiment, the total light intensity of the Part I exciting light is predetermined value, the face of the first area
Product is more than or equal to the small threshold value of the limit, and area is that the intensity for the exciting light that the first area of the small threshold value of the limit can guide is pole
Limit small intensity；It is described when the predetermined value is more than or equal to the quantity and the product of the limit small intensity of the excitation beam
The quantity of first area is equal to the quantity of the excitation beam；Otherwise, the quantity of the first area be equal to the predetermined value with
Obtained value is rounded on the business of the limit small intensity.In present embodiment, when the area of the first area is arranged to described
The small threshold value of the limit, in the case where total light intensity needed for guarantee is constant, the area of the first area is minimum, and then can will be because of institute
State first area area it is larger caused by light extraction irregular colour the problem of farthest improve.
In one embodiment, when the quantity of the first area is less than the quantity of the excitation beam, described first
Region is uniformly dispersed being arranged at the region light-dividing device.The first area is uniformly distributed in the region light-dividing device
When, the light-emitting uniformity of the region light-dividing device is more preferably.
In one embodiment, the exciting light and the wavelength turn that the excitation source is sent are reflected in the first area
The stimulated light that changing device is sent, the second area transmit the exciting light that the excitation source is sent and reflect the wavelength convert
The stimulated light that device is sent.In present embodiment, mainly pass through first area reflected excitation light and stimulated light, second area transmission
Exciting light simultaneously reflects stimulated light light is guided.
In one embodiment, the first area transmits the exciting light that the excitation source is sent and transmits the ripple
The stimulated light that long conversion equipment is sent, the second area reflect the exciting light that the excitation source is sent and transmit the wavelength
The stimulated light that conversion equipment is sent.In present embodiment, exciting light and stimulated light, second area are mainly transmitted by first area
Reflected excitation light simultaneously transmits stimulated light light is guided.
In one embodiment, the quantity of the second area is one, and at least two first area is set side by side
Put, and the second area is arranged at that at least two first area is peripheral and at least two first area surrounds.Institute
At least two first areas for stating major exit stimulated light are surrounded by the second area of outgoing exciting light and the mixed light of stimulated light,
It is more preferable compared with the light supply apparatus light-emitting uniformity that the first area is arranged on to the positions such as edge.
In one embodiment, the exciting light is blue excitation light, and the Wavelength converter includes yellow fluorescence
Material, the stimulated light is yellow stimulated light, and then the light supply apparatus can be with ejecting white light.
A kind of display system, it includes light supply apparatus, and the light supply apparatus includes excitation source, scattering device, wavelength convert
Device and region light-dividing device, the region light-dividing device include at least two first areas and including second areas, its
In：
The excitation source is used to send exciting light, and at least two first area is used to receive first in the exciting light
Part exciting light simultaneously guides the Part I exciting light received to the scattering device, and the second area is used to connect
Receive the Part II exciting light in the exciting light and guide the Part II exciting light to the Wavelength converter,
The scattering device is used to be scattered the Part I exciting light, and the Part I exciting light after scattering is carried
The region light-dividing device is supplied to, the second area is additionally operable to guide the Part I exciting light after scattering to the light source
Device goes out optical channel,
The Wavelength converter is used to the Part II exciting light being converted to stimulated light, and by the stimulated light provide to
The region light-dividing device, at least two first area are additionally operable to guide the stimulated light to institute with the second area
State out optical channel.
In one embodiment, the excitation source includes exciting optical arrays, and the excitation source sends at least two beams
Excitation beam；The first area is correspondingly arranged with a branch of excitation beam, and by corresponding excitation beam part or
All guide to the scattering device.
In one embodiment, the luminous intensity of the excitation beam is weakened from beam center toward periphery；Firstth area
The center in domain is corresponding with the center of corresponding excitation beam.By the way that the center of the first area and institute is right
The center for the excitation beam answered can correspondingly be such that the highest intense part of the excitation beam is reflected by the first area, thus
The area of the first area can be arranged to smaller, so can further reduce light extraction irregular colour.
In one embodiment, the area of the first area is divided less than corresponding excitation beam in the region
The facula area formed on device.Because the area of the first area is divided less than corresponding excitation beam in the region
The facula area formed on device so that the first area can be all anti-by the highest intense part of the laser beam
Penetrate, and the utilization rate of the first area is higher, in the absence of regions such as the corners for not playing reflex, and then firstth area
The area in domain can also be arranged to smaller, further reduction light extraction irregular colour.
In one embodiment, the quantity for the excitation beam that the quantity of the first area is sent with the excitation source
It is equal.In present embodiment, the high intense part of each excitation beam has a first area to be guided（Reflection is saturating
Penetrate）, the scheme of its high intense part, all first area institutes are guided relative to some excitation beams first area without corresponding to
In the case that the exciting light ratio that excitation source shared by the exciting light of guiding is sent is fixed, total face of first area can be reduced
Product, it is colour inhomogeneous so as to reduce light extraction.Because if the quantity of first area is less than the exciting light that the excitation source is sent
The quantity of beam, relative to the quantity of the first area feelings equal with the quantity for the excitation beam that the excitation source is sent
Shape, make a reservation in order that the ratio for the exciting light that excitation source shared by obtaining the exciting light that all first areas are guided is sent reaches one
Ratio is, it is necessary to extend the area of first area, and more smaller toward light beam periphery beam intensity, the face of extension required for first area
Product is bigger, and so as to which the gross area of first area can be caused to increase, increase light extraction is colour inhomogeneous.And in the present embodiment, will
The quantity of the first area is arranged to equal with the quantity for the excitation beam that the excitation source is sent, and can greatly improve out
The uniformity of light color.
In one embodiment, each first area has equal area.In present embodiment, described first
Region quantity is equal with the quantity for the excitation beam that the excitation source is sent and center corresponding on the basis of, each described the
One region has equal area, relative to the number of the excitation beam sent in the first area quantity and the excitation source
Each unequal scheme of first area area on the basis of measuring corresponding to equal and center, ensureing all first areas
In the case that the exciting light ratio that excitation source shared by the exciting light guided is sent is fixed, each firstth area of the present embodiment
There is equal area the gross area of all first areas can be allowd to reach minimum in domain, so as to reduce light extraction irregular colour
Even property.Because in the situation that the exciting light ratio that excitation source shared by the exciting light that all first areas are guided is sent is fixed
Under, if the area of each first area is unequal, for example the area of a first area is smaller, then at least another firstth area
The area in domain needs the exciting light ratio that excitation source shared by the larger exciting light that just can guarantee that all first areas and guided is sent
It is fixed, and if the area of one first area reduces 10%, because the intensity of excitation beam is gradual to the periphery from center
Weaken, the area of the increased first area of described at least another area must increase the area more than 10%（It may need to increase
20% area）It just can guarantee that the exciting light ratio that excitation source shared by the exciting light that all first areas are guided is sent is fixed,
The gross area when gross area of so all first areas is than the first area area equation is increased, so as to be unfavorable for
Ensure out the uniformity of light color.Therefore, in present embodiment, each first area has equal area, not only can be with
The guiding of same degree is carried out to multi beam excitation beam（Transmission or reflection）, and the gross area of all first areas can be ensured
Minimum, therefore light extraction color homogeneity is more preferably.
In one embodiment, the total light intensity of the Part I exciting light is predetermined value, the face of the first area
Product is more than or equal to the small threshold value of the limit, and area is that the intensity for the exciting light that the first area of the small threshold value of the limit can guide is pole
Limit small intensity；It is described when the predetermined value is more than or equal to the quantity and the product of the limit small intensity of the excitation beam
The quantity of first area is equal to the quantity of the excitation beam；Otherwise, the quantity of the first area be equal to the predetermined value with
Obtained value is rounded on the business of the limit small intensity.When the area of the first area is arranged to the small threshold value of the limit,
In the case that total light intensity is constant needed for guarantee, the area of the first area is minimum, and then can be by because of the first area
Farthest improve the problem of light extraction irregular colour caused by area is larger.
In one embodiment, when the quantity of the first area is less than the quantity of the excitation beam, described first
Region is uniformly dispersed being arranged at the region light-dividing device.The first area is uniformly distributed in the region light-dividing device
When, the light-emitting uniformity of the region light-dividing device is more preferably.
In one embodiment, the exciting light and the wavelength turn that the excitation source is sent are reflected in the first area
The stimulated light that changing device is sent, the second area transmit the exciting light that the excitation source is sent and reflect the wavelength convert
The stimulated light that device is sent.In present embodiment, mainly pass through first area reflected excitation light and stimulated light, second area transmission
Exciting light simultaneously reflects stimulated light light is guided.
In one embodiment, the first area transmits the exciting light that the excitation source is sent and transmits the ripple
The stimulated light that long conversion equipment is sent, the second area reflect the exciting light that the excitation source is sent and transmit the wavelength
The stimulated light that conversion equipment is sent.In present embodiment, exciting light and stimulated light, second area are mainly transmitted by first area
Reflected excitation light simultaneously transmits stimulated light light is guided.
In one embodiment, the quantity of the second area is one, and at least two first area is set side by side
Put, and the second area is arranged at that at least two first area is peripheral and at least two first area surrounds.Institute
At least two first areas for stating major exit stimulated light are surrounded by the second area of outgoing exciting light and the mixed light of stimulated light,
It is more preferable compared with the light supply apparatus light-emitting uniformity that the first area is arranged on to the positions such as edge.
In one embodiment, the exciting light is blue excitation light, and the Wavelength converter includes yellow fluorescence
Material, the stimulated light is yellow stimulated light, and then the light supply apparatus can be with ejecting white light.
Compared with prior art, in the light supply apparatus, the region light-dividing device includes at least two first areas,
At least two first area to go out optical channel outgoing stimulated light, but the area of described two first areas can be designed as compared with
It is small, and position may be designed in relative distribution so that the light of the region light-dividing device outgoing does not have significantly on the whole
Stimulated light color region, so as to reduce the region light-dividing device light extraction inequality, and the effective light supply apparatus that improves is sent
Light color uniformity, the light color uniformity of the light supply apparatus is preferable.
Brief description of the drawings
Fig. 1 is the structural representation of the light supply apparatus of first embodiment of the invention.
Fig. 2 is the hot spot schematic diagram that the excitation source of light supply apparatus shown in Fig. 1 is formed.
Fig. 3 is the planar structure schematic diagram of the region light-dividing device of light supply apparatus shown in Fig. 1.
Fig. 4 is the light far-field distribution schematic diagram that region light-dividing device shown in Fig. 2 is emitted to out optical channel.
Fig. 5 is the structural representation of the light supply apparatus of second embodiment of the invention.
Fig. 6 is the planar structure schematic diagram of the region light-dividing device of light supply apparatus shown in Fig. 5.
Fig. 7 is the structural representation of the light supply apparatus of third embodiment of the invention.
Fig. 8 is the planar structure schematic diagram of the region light-dividing device of light supply apparatus shown in Fig. 7.
Fig. 9 is the structural representation of the light supply apparatus of four embodiment of the invention.
Figure 10 is the planar structure schematic diagram of the region light-dividing device of light supply apparatus shown in Fig. 9.
Main element symbol description
Light supply apparatus 300,400,500,600
Excitation source 301,401,501,601
Positive lens 302
Negative lens 303
Diffusion sheet 304
Region light-dividing device 305,405,505,605
First collecting lens 306,506,606
Scattering device 307,407,507,607
Second collecting lens 308,508,608
Wavelength converter 309,409,509,609
Dodging device 310
Compress lens module 311
Go out optical channel 312
First area 3051,4051,5051,6051
Second area 3052,4052,5052,6052
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar application, therefore the present invention is not limited by following public specific embodiment.
Secondly, combination schematic diagram of the present invention is described in detail, when the embodiment of the present invention is described in detail, for purposes of illustration only, table
Show that the profile of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, and it should not herein
Limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
It is described in detail below by embodiment.
Referring to Fig. 1, Fig. 1 is the structural representation of the light supply apparatus of first embodiment of the invention.The light supply apparatus
300 include excitation source 301, compression lens module 311, diffusion sheet 304, scattering device 307, the first collecting lens 306, region
Light-dividing device 305, Wavelength converter 309, the second collecting lens 308 and dodging device 310.
The excitation source 301 is used to send exciting light.The excitation source 301 can be semiconductor diode or half
Conductor diode array.The semiconductor diode array can be laser diode（LD）Or light emitting diode（LED）Deng.
The exciting light can be blue light, purple light or ultraviolet light etc., but be not limited with above-mentioned.The excitation source 301 can be with
Send the exciting light that at least two beams are arranged side by side.Specifically, the excitation source 301 can include multiple（Such as 16）Be set up in parallel and
The laser diode arranged in matrix (4*4 square formation), so as to which the excitation source 301 sends multi beam exciting light arranged side by side.This
In embodiment, the excitation source 301 is blue light semiconductor diode array, for sending multi beam blue excitation light.
The exciting light that the compression lens module 311 is used to send the excitation source 301 is compressed, and it is included just
Lens 302 and negative lens 303.The positive lens 302 is sequentially arranged at the excitation source 301 with the negative lens 303 and sent
Exciting light light path on.The positive lens 302 is set adjacent to the excitation source 301, and the positive lens 302 can be convex
Lens, the exciting light for being sent to the excitation source 301 collect.The negative lens 303 be arranged at via it is described just
In the light path for the exciting light that lens 302 collect, the negative lens 303 can be concavees lens, for will be via the positive lens 302
The exciting light collected is converted to the exciting light of exiting parallel.In present embodiment, (such as pole of semiconductor two of excitation source 301
Pipe array) exciting light that sends via the compression lens module 311 after, facula area diminishes, so as to the compression lens mould
Group 311 realizes the compression of the exciting light sent to the excitation source 301.It is appreciated that in embodiment is changed, according to sharp
Type/structure of light emitting source and the compression lens can also be omitted to light supply apparatus actual demand, the light supply apparatus 300
Module 311.
The diffusion sheet 304 is set adjacent to the compression lens module 311, for pressing the compression lens module 311
Exciting light after contracting is scattered even light.Specifically, the diffusion sheet 304 is arranged at what the compression lens module 311 projected
In the light path of exciting light, and the neighbouring negative lens 303 is set.It is appreciated that in embodiment is changed, according to excitation source
Type/structure and the diffusion sheet 304 can also be omitted to light supply apparatus actual demand, the light supply apparatus 300.
The region light-dividing device 305 is located in the light path for the exciting light that the excitation source 301 is sent, and it includes first
Region 3051 and second area 3052.The first area 3051 is used for via the compression lens module 311 and the scattering
Piece 304 receives the Part I exciting light in the exciting light and reflexed to the Part I exciting light received described
Scattering device 307, the second area 3052 are used to receive the Part II exciting light in the exciting light（I.e. described exciting light
The middle part for removing Part I exciting light）And the Part II is excited into light transmission to provide the Wavelength converter
309。
The scattering device 307 is used to be scattered the Part I exciting light of the first area 3051 reflection
With reflection, so that the Part I exciting light after scattering is provided to the second area 3052；Those skilled in the art can be with
Understand, the Part I exciting light after scattering device 307 can scatter at least part is provided to the second area 3052.
The second area 3052 is additionally operable to receive the Part I exciting light after the scattering that the scattering device 307 is sent and will
The Part I after the scattering provides going out on optical channel 312 to the light supply apparatus 300 after exciting light transmission.
Light path of first collecting lens 306 between the scattering device 307 and the region light-dividing device 305
On, for being collimated to the Part I exciting light in the light path.It is appreciated that first collecting lens 306 can be with
For convex lens.It is described according to type/structure of excitation source and to light supply apparatus actual demand in embodiment is changed
Light supply apparatus 300 can also omit first collecting lens 306.
What the second area 3052 that the Wavelength converter 309 is arranged at the region light-dividing device 305 was sent excites
In the light path of light, it includes fluorescent material, the Part II exciting light for the second area 3052 to be transmitted be converted to by
Laser, and provide the stimulated light at least one area into described two first areas 3051 and the second area 3052
Domain；It will be appreciated by those skilled in the art that, the Wavelength converter 309 at least partly stimulated light can be provided to
Region light-dividing device 305.The first area 3051 is additionally operable to institute with least one region in the second area 3052
State stimulated light and reflex to out optical channel 312, the stimulated light combines light into white light with the Part I exciting light after the scattering.This
In embodiment, the stimulated light is provided to the first area 3051 and the second area 3052, the first area
3051 will go out optical channel 312 described in stimulated light reflection jointly with the second area 3052.
Second collecting lens is provided between the Wavelength converter 309 and the region light-dividing device 305
308, second collecting lens 308 is used for light path between the region light-dividing device 305 and the Wavelength converter 309
In exciting light collimated with stimulated light.It is appreciated that in embodiment is changed, according to type/structure of excitation source
And second collecting lens 308 can also be omitted to light supply apparatus actual demand, the light supply apparatus 300.
In present embodiment, the excitation source 301 sends multi beam exciting light arranged side by side.It is appreciated that the multi beam swashs
It is luminous to be divided into the Part I exciting light and the Part II exciting light.Specifically, the multi beam is arranged side by side excites
Part I exciting light in light reflexes to the scattering device 307 by described two first areas 3051, and the multi beam excites
Part II exciting light in light is transmitted through the Wavelength converter 309 by the second area 3052.Specifically, described
A part of exciting light includes two the first exciting lights of beam.The Part II exciting light can include remaining multi beam exciting light.
The multi beam that the excitation source 301 is sent exciting light arranged side by side can be in the region light-dividing device 305（Or
Other optical elements of person, such as diffusion sheet 304）It is upper to form multiple hot spots, it will be understood that due to via the compression lens module
311, multi beam exciting light arranged side by side will be than without pressure in the area of multiple hot spots of the formation of the region light-dividing device 305
The facula area that contracting lens module is formed is small.It is appreciated that the exciting light is blue excitation light.Referring to Fig. 2, Fig. 2 is institute
State multiple hot spot schematic diagrames that the multi beam that excitation source 301 is sent exciting light arranged side by side is formed.In present embodiment, due to
The excitation source 301 includes the laser diode that 16 square matrixs in 4*4 are arranged, and therefore, the excitation source 301 is sent out
Go out 16 beam exciting lights, and formed in the region light-dividing device 305 by 16 hot spots, 16 hot spots are in 4*4 square square
Battle array arrangement.Figure it is seen that the hot spot formed per beam exciting light is included positioned at the high highlights of beam center and positioned at institute
State low highlights in high-strength light periphery, specifically, the light intensity of the hot spot formed per beam exciting light be from center to the periphery by
It is decrescence weak.
In present embodiment, the Part I exciting light includes two beam exciting lights（Also referred to as two the first exciting lights of beam）.
The Part II exciting light can include remaining multi beam（Such as 14 beams）Exciting light（The also referred to as exciting light of multi beam second）.
Referring to Fig. 3, Fig. 3 is the floor map of the region light-dividing device 305.In present embodiment, the region
Light-dividing device includes two first areas 3051 being set up in parallel and the second area located at described two first areas periphery
3052.The first area 3051 is correspondingly arranged with a branch of excitation beam, and by corresponding excitation beam part or
All reflections.In present embodiment, described two first areas 3051 are used to reflect the Part I exciting light, and
The area of described two first areas 3051 can be with equal.Specifically, each first area 3051 will corresponding to a branch of the
One exciting light reflexes to the scattering device 307.A branch of first exciting light on the region light-dividing device 305 in forming
The area of hot spot can be slightly less than the area of corresponding each first area 3051 so that a branch of first exciting light can
To reflex to the scattering device 307 by the corresponding first area 3051 is substantially all.Preferably, the first area
The reflectivity of 3051 pairs of corresponding a branch of first exciting lights is higher than 90%（Such as more than 99%）.The second area 3052 is used for
By the Part II exciting light（That is the exciting light of multi beam second）The Wavelength converter 309 is transmitted through, the scattering is filled
Put the Part I exciting light after the scattering of 307 offers be transmitted through it is described go out optical channel 312, and by the Wavelength converter
309 stimulated lights provided go out optical channel 312 described in reflexing to.
The first area 3051 can be rectangle but be not limited to rectangle, and the second area 3052 is with two openings
Rectangle, described two first areas 3051 are respectively in two of the second area 3052 openings, so as to described first
Region 3051 is just spliced into the rectangle of an one with the second area 3052.Specifically, the first area 3051 can
With positioned at the middle position of the second area 3052, and the area of each first area 3051 can be less than described second
The area in region 3052.
In present embodiment, the quantity of the first area 3051（Two）Less than the excitation beam（16 beams）Number
Amount, and the first area 3051 is uniformly dispersed being arranged in the region light-dividing device 305.Specifically, described two
The a branch of exciting light for the second row secondary series that one region 3051 is corresponded respectively in the exciting light of 16 beam square formation arrangement and
The tertial a branch of exciting light of the third line.That is, a branch of exciting light and described the third line of described second row secondary series are tertial
A branch of exciting light is the exciting light of two beam first (i.e. described Part I exciting light).The exciting light of the 16 beam square formation arrangement
In remaining multi beam exciting light be the exciting light of 14 beam second (i.e. described Part II exciting light), and be incident to described
Two regions 3052 are simultaneously transmitted through the Wavelength converter 309 for being converted to the stimulated light by the second area 3052.
It will be appreciated, of course, that the first area 3051 and the shape, quantity or area of the second area 3052 are equal
It can not be limited with the shape in present embodiment, quantity or area, i.e., described first area 3051 and the second area
3052 shape, quantity or area can adjust according to the actual requirements.
Specifically, the region light-dividing device 305 can be a diaphragm, the first area 3051 and the second area
3052 can be the diaphragm of integral type.It will be appreciated, of course, that the region light-dividing device 305 can also be a diaphragm group, it is described
First area 3051 and the second area 3052 can be the mutual independence of two-phase but at least two diaphragms together with being stacked.
The region light-dividing device 305 is relative to the light-emitting area of the excitation source 301, the light-emitting area of the scattering device 307 and institute
The light-emitting area for stating Wavelength converter 309 is set in 45 degree of angles.
Specifically, in present embodiment, when the exciting light is blue excitation light, the first area 3051 is blueness
The reflector space that light reflects with sodium yellow, the region that the second area 3052 is blue light transmission and sodium yellow reflects, institute
Stating Wavelength converter 309 includes yellow fluorescent material, and the stimulated light is yellow stimulated light, and the supplement light is blue supplementary
Light.The stimulated light, the Part I exciting light combine light into white light.
Go out optical channel 312 described in the dodging device 310 is corresponding to set, for sending the region light-dividing device 305
Light carry out even light.It is appreciated that it is described go out optical channel 312 can be defined in the light extraction light path of region light-dividing device 305
On space, between the region light-dividing device 305 and the dodging device 310.
Specific light path principle when working below the light supply apparatus 300 is simply introduced.
When the light supply apparatus 300 works, the excitation source 301 sends multi beam blue excitation light, the multi beam blueness
Laser method is provided to described after being sequentially compressed and scatter via the compression lens module 311 and the diffusion sheet 304
Region light-dividing device 305, wherein the first exciting light of two beam blueness is respectively provided to described two first areas 3051,
Second exciting light of remaining multi beam blueness is provided to the second area 3052.
Described two first areas 3051 will receive the first exciting light reflection of the two beams blueness and by after reflection
First exciting light of two beams blueness is provided to the scattering device 307 via first collecting lens 306.The scattering device
First exciting lights of 307 pairs of two beam bluenesss be scattered after again by the first exciting light of the two beams blueness after scattering via institute
State the first collecting lens 306 and provide and arrive the second area 3052, the second area 3052 by two beam it is blue first
Exciting light goes out optical channel 312 described in being transmitted through.
The second area 3052 will receive described in remaining multi beam blueness second excite light transmission and via described
Second collecting lens 308 is provided to the Wavelength converter 309, and the Wavelength converter 309 receives the multi beam blueness
The second exciting light, yellow fluorescent material described in the second excitation of multi beam blueness produces yellow stimulated light and simultaneously penetrates
Go out.The yellow stimulated light is provided to the first area of the region light-dividing device 305 via second collecting lens 308
3051 and second area 3052, the first area 3051 and the second area 3052 the yellow stimulated light is reflected
And provide to the light supply apparatus 300 and go out optical channel 312.
Specifically, described two first areas 3051 can be emitted yellow stimulated light, and the second area 3052 can go out
The first exciting light of yellow stimulated light and blueness is penetrated, i.e., described yellow stimulated light and the first blue exciting light are in the region point
The closing light of electro-optical device 305 and produce white light inject described in go out optical channel 312 and the dodging device 310.Specifically, referring to Fig. 4,
Fig. 4 is the far-field distribution schematic diagram for the light for going out optical channel 312 described in the region light-dividing device 305 is emitted to.Described two
The major exit yellow stimulated light of one region 3051（Y）, the outgoing yellow stimulated light of second area 3052 (Y) and blue first
The white light (B+Y) that exciting light (B) combines light into.
Because the present invention is provided with described two first areas 3051, described two major exit yellow of first area 3051
Stimulated light, but the area of described two first areas 3051 can be designed as smaller, and and position may be designed in relative distribution,
So that the light that the region light-dividing device 305 is emitted does not have obvious stimulated light color region on the whole, it is described so as to reduce
The light extraction inequality of region light-dividing device 305.
Refer to Fig. 5 and Fig. 6, Fig. 5 be second embodiment of the invention light supply apparatus 400 structural representation, Fig. 6 is
The planar structure schematic diagram of the region light-dividing device 405 of light supply apparatus 400 shown in Fig. 5.The light source dress of the second embodiment
It is essentially identical with the structural principle of light supply apparatus 300 of first embodiment to put 400, that is to say, that real above with respect to described first
The description for applying the light supply apparatus 300 of mode may be incorporated for the light supply apparatus 400 of second embodiment, but the main region of the two
It is not：The first area 4051 of the region light-dividing device 405 of second embodiment and second area 4052 in quantity and position
Put etc. and the first area 3051 of the region light-dividing device 305 of first embodiment and second area 3052 are different,
So as to which self-excitation light emitting source 401 incides the Part I exciting light of the first area 4051 and incides the second area
The composition of 4052 Part II exciting light also swashs with the Part I exciting light in the first embodiment with Part II
It is luminous different.
Specifically, in the second embodiment, the region light-dividing device 405 include multiple first areas 4051 and
Second area 4052 positioned at first area periphery.Preferably, the quantity of the multiple first area 4051 can be with institute
The quantity for stating the multi beam exciting light that excitation source 401 is sent corresponds, and the area of the multiple first area 4051 can be with
It is equal.
As shown in Fig. 2 wherein per the luminous intensity of beam exciting light gradually weakened to the periphery from center.In present embodiment,
The center of the first area 4051 is corresponding with the center of corresponding excitation beam, the face of the first area 4051
Product is less than corresponding excitation beam in the facula area formed on the region light-dividing device 405.Formed per beam exciting light
Hot spot includes the high highlights positioned at beam center and the low highlights in the high highlights periphery, Mei Gesuo
State first area 4051 to be used to the high highlights of a branch of exciting light of reception reflexing to the scattering device 407, described the
Two regions 4052 are used for low highlights in receiving in every beam exciting light and are transmitted through the Wavelength converter 409.
It is further appreciated that preferably, as shown in Fig. 2 when excitation source 401 sends 16 beam exciting light, such as scheme
Shown in 6, the region light-dividing device 405 can be provided with corresponding with the high highlights of the 16 beam exciting light 16 first
Region, 16 first areas 4051 can also arrange in 4*4 square matrix.
In addition, it is necessary to explanation, in a kind of change embodiment of the second embodiment, the first area
4051 area is less than corresponding excitation beam when the facula area formed on the region light-dividing device 405, according to reality
Border needs, and the quantity of the first area 4051 might be less that the quantity of the excitation beam.Specifically, will be required
The total light intensity of the Part I exciting light is set to predetermined value, the area of the first area 4051 from technique for have one
The individual small threshold value of the limit, the small threshold value of the limit are the minimum area that can be produced by existing process, and area is the limit
The intensity for the exciting light that the first area 4051 of small threshold value can guide can be set to limit small intensity；It is appreciated that when described pre-
When definite value is more than or equal to the quantity and the product of the limit small intensity of the excitation beam, the quantity of the first area 4051
Equal to the quantity of the excitation beam；Otherwise, the quantity of the first area 4051 is equal to the predetermined value and the limit is small
Obtained value is rounded on the business of intensity.
Because the region light-dividing device 405 of the light supply apparatus 400 is provided with described and exciting light number of beams one by one
Corresponding multiple first areas 4051, the major exit yellow stimulated light of first area 4051, but the multiple first area
4051 area can be designed as smaller, and position may be designed in relative distribution so that the region light-dividing device 405 goes out
The light penetrated does not have obvious stimulated light color region on the whole, and the high highlights of multi beam exciting light is by described first
Region 4051 reflexes to the scattering device 407 and scattered, it is possibility to have and the reduction light extraction of effect is uneven, therefore, the light
The light extraction color homogeneity of source device 400 is preferable.
Further, in second of embodiment, by the way that the center of the first area 4051 and institute is right
The center for the excitation beam answered can correspondingly be such that the highest intense part of the excitation beam is reflected by the first area 4051,
It is possible thereby to the area of the first area 4051 is arranged to smaller, light extraction irregular colour so can be further reduced.
Because the area of the first area 4051 is less than corresponding excitation beam in shape on the region light-dividing device
Into facula area so that the first area 4051 can all reflect the highest intense part of the laser beam, and
The utilization rate of the first area 4051 is higher, in the absence of regions such as the corners for not playing reflex, and then firstth area
The area in domain 4051 can also be arranged to smaller, further reduction light extraction irregular colour.
When the quantity of the first area 4051 is equal with the quantity for the excitation beam that the excitation source 401 is sent, often
The high intense part of one excitation beam has a first area 4051 to be guided（Reflection or transmission）, swash relative to some
Luminous beam first area 4051 without corresponding to guides the scheme of its high intense part, and what all first areas 4051 were guided swashs
In the case that the exciting light ratio that luminous shared excitation source 401 is sent is fixed, the gross area of first area 4051 can be reduced,
It is colour inhomogeneous so as to reduce light extraction.Because if the quantity of first area 4051 swashs less than what the excitation source 401 was sent
The quantity of luminous beam, the number of the excitation beam sent relative to quantity and the excitation source 401 of the first area 4051
Equal situation is measured, in order that exciting of sending of excitation source 401 shared by obtaining the exciting light that all first areas 4051 are guided
The ratio of light reaches a predetermined ratio, it is necessary to extend the area of first area 4051, and more smaller toward light beam periphery beam intensity,
The area of extension is bigger required for first area 4051, so as to which the gross area of first area 4051 can be caused to increase, increases and
Light color inhomogeneities.And in the present embodiment, swash what the quantity of the first area 4051 and the excitation source 401 were sent
The quantity of luminous beam is arranged to equal, can greatly improve out the uniformity of light color.
In present embodiment, in the present embodiment, sent in the quantity of first area 4051 and the excitation source 401
The quantity of excitation beam is equal and center corresponding on the basis of, each first area 4051 has equal area, phase
For and the center equal with the quantity for the excitation beam that the excitation source 401 is sent in the quantity of first area 4051
The unequal scheme of each area of first area 4051 on the basis of corresponding, ensureing what all first areas 4051 were guided
In the case that the exciting light ratio that excitation source 401 shared by exciting light is sent is fixed, each first area of the present embodiment
4051 there is equal area the gross area of all first areas 4051 can be allowd to reach minimum, so as to reduce light extraction face
Color inhomogeneities.Because in the exciting light ratio that excitation source 401 shared by the exciting light that all first areas 4051 are guided is sent
In the case that example is fixed, if the area of each first area 4051 is unequal, for example the area of a first area 4051 is smaller, that
At least the area of another first area 4051 needs the larger exciting light that just can guarantee that all first areas 4051 and guided
The exciting light ratio that shared excitation source 401 is sent is fixed, and if the area of one first area reduces 10%, by
Gradually weaken to the periphery from center in the intensity of excitation beam, the increased first area 4051 of at least another area
Area must increase the area more than 10%（It may need to increase by 20% area）It just can guarantee that all first areas 4051 are guided
Exciting light shared by the exciting light ratio that sends of excitation source 401 fix, the gross area ratio of so all first areas 4051
Gross area during 4051 area equation of first area is increased, so as to be unfavorable for ensureing out the uniformity of light color.Cause
This, in present embodiment, each first area 4051 has equal area, not only can carry out phase to multi beam excitation beam
With the guiding of degree（Transmission or reflection）, and can ensure that the gross area of all first areas 4051 is minimum, therefore light extraction face
Color uniformity is more preferably.
When the area of the first area 4051 is arranged to the small threshold value of the limit, in the feelings that total light intensity needed for guarantee is constant
Under condition, the area of the first area 4051 is minimum, and then can be by the light extraction caused by the area of the first area is larger
The problem of irregular colour, farthest improves.
The first area 4051 when the region light-dividing device 405 is uniformly distributed, the region light-dividing device 405
Light-emitting uniformity is more preferably.
At least two first areas 3051 or 4051 of the major exit stimulated light are by outgoing exciting light and stimulated light
The second area 3052 or 4052 of mixed light surrounds, compared with the light that the first area 3051 or 4051 is arranged on to the positions such as edge
The light-emitting uniformity of source device 300 or 400 is more preferable.
It is appreciated that in first and second embodiment, mainly by first area reflected excitation light and stimulated light,
Two regions transmit exciting light and reflect stimulated light and light is guided.
But in change embodiment as follows（In 3rd and the 4th embodiment）, mainly transmitted by first area
Exciting light and stimulated light, second area reflected excitation light simultaneously transmit stimulated light light are guided, below to the described 3rd with
4th embodiment describes in detail.
Referring to Fig. 7, Fig. 7 is the structural representation of the light supply apparatus 500 of third embodiment of the invention, Fig. 8 is Fig. 7 institutes
Show the planar structure schematic diagram of the region light-dividing device 505 of light supply apparatus 500.The light supply apparatus 500 of 3rd embodiment
It is essentially identical with the structure of light supply apparatus 300 of first embodiment, that is to say, that above with respect to the light of the first embodiment
The description of source device 300 can be essentially used for the light supply apparatus 500 of the 3rd embodiment, but the main distinction of the two exists
In：The structure of region light-dividing device 505 and the structure of the region light-dividing device 305 of first embodiment are different, and dissipate
Scattering device 307 and Wavelength converter 309 of the injection device 507 with Wavelength converter 509 relative to first embodiment
Put exchange, so as to the light supply apparatus 500 light path principle and the first embodiment light supply apparatus 300 not yet
Together.
Specifically, as shown in figure 8, the first area 5051 of region light-dividing device 505 transmits what excitation source 501 was sent
The stimulated light that exciting light and transmission peak wavelength conversion equipment 509 are sent, second area 5052 reflect what the excitation source 501 was sent
Exciting light simultaneously transmits the stimulated light that the Wavelength converter 509 is sent.When the light supply apparatus 500 works, the exciting light
Source 501 sends multi beam exciting light, and the multiple laser method is sequentially pressed via the compression lens module and the diffusion sheet
The region light-dividing device 505 is provided to after contracting and scattering, wherein two beam exciting lights are respectively provided to described two first
Region 5051, remaining multi beam exciting light are provided to the second area 5052.It will be appreciated, of course, that in change embodiment
In, the quantity of the first area 5051 can be more than two, such as 4,8,10,14, and now the multi beam excites
Several beams identical with the quantity of first area 5051 and one-to-one in light（4 beams, 8 beams, 10 beams, 14 beams etc.）Carried respectively
It is supplied to the multiple first area 5051.
Each first area 5051, which will receive, described a branch of excites light transmission and by a branch of exciting light after transmission
There is provided via the second collecting lens 508 to the Wavelength converter 509, the Wavelength converter 509 and receive described first
The exciting light that region 5051 provides, a portion excitation fluorescent material produce stimulated light and projected, and another part swashs
Light and do not absorbed by the fluorescent material and the region light-dividing device 505 and quilt are reflexed to by the Wavelength converter 509
The second area 5052 goes out optical channel described in reflexing to.
The stimulated light is provided to the firstth area of the region light-dividing device 505 via second collecting lens 508
Domain 5051 and second area 5052, the first area 5051 and the second area 5052 are reflected simultaneously the stimulated light
There is provided the light supply apparatus 500 goes out optical channel.
The second area 5052 receives the exciting light that the excitation source 501 is sent and reflexed to the exciting light scattered
Injection device 507.The exciting light that the scattering device 507 is provided the second area 5052 be scattered after again by after scattering
Exciting light provides via first collecting lens 506 and arrives the second area 5052, and the second area 5052 dissipates described
The exciting light that injection device 507 provides goes out optical channel described in being transmitted through.It is stimulated light that the Wavelength converter 509 provides, described
The exciting light that another part is not provided by fluorescent material absorption exciting light and the scattering device 507 is by the region point
The offer of electro-optical device 505 goes out optical channel described in and combines light into white light.It is appreciated that the exciting light is preferably blue excitation light,
The stimulated light is yellow stimulated light.But in the change embodiment using above-mentioned light path framework, the exciting light and institute
State stimulated light be not limited to it is above-mentioned, it is described go out optical channel light extraction may not be white light, but other face such as green, red
Coloured light.
It can be seen that in the 3rd embodiment, because the present invention is provided with described two first areas 5051, described two
The individual major exit stimulated light of first area 5051, but the area of described two first areas 5051 can be designed as smaller, and position
Put and may be designed in relative distribution so that the light that the region light-dividing device 505 is emitted does not have on the whole is significantly excited
Light color region, so as to reduce the light extraction inequality of region light-dividing device 505.
Referring to Fig. 9, Fig. 9 is the structural representation of the light supply apparatus 600 of four embodiment of the invention, Figure 10 is Fig. 9
The planar structure schematic diagram of the region light-dividing device 605 of shown light supply apparatus 600.The light supply apparatus of 4th embodiment
600 is essentially identical with the structure of light supply apparatus 400 of second embodiment, that is to say, that above with respect to the second embodiment
The description of light supply apparatus 400 can be essentially used for the light supply apparatus 600 of the 4th embodiment, but the main distinction of the two
It is：The structure of region light-dividing device 605 and the structure of the region light-dividing device 405 of second embodiment are different, and
Scattering device 407 and Wavelength converter 409 of the scattering device 607 with Wavelength converter 609 relative to second embodiment
Place-exchange, so as to the light supply apparatus 600 light path principle and the second embodiment light supply apparatus 400 not yet
Together.
Specifically, as shown in Figure 10, the first area 6051 of region light-dividing device 605 transmits excitation source 601 and sent
Exciting light and the stimulated light that sends of transmission peak wavelength conversion equipment 609, second area 6052 reflect the excitation source 601 and send
Exciting light and transmit the stimulated light that the Wavelength converter 609 is sent.
When the light supply apparatus 600 works, the excitation source 601 sends multi beam exciting light, the multiple laser method according to
Sequence is provided to the region light-dividing device after being compressed and scatter via the compression lens module and the diffusion sheet
605, wherein the first area 6051 is provided to per the high highlights of beam exciting light, low strong part exciting light in remaining
It is provided to the second area 6052.
Each first area 6051 excites light transmission and by the exciting light after transmission via second described in receiving
Collecting lens 608 provides to the Wavelength converter 609, the Wavelength converter 609 and receives the first area 6051
The exciting light of offer, a portion excitation fluorescent material produce stimulated light simultaneously project, another part exciting light not by
The fluorescent material absorbs and reflexes to the region light-dividing device 605 and by described second by the Wavelength converter 609
Region 6052 goes out optical channel described in reflexing to.
The stimulated light is provided to the firstth area of the region light-dividing device 605 via second collecting lens 608
Domain 6051 and second area 6052, the first area 6051 and the second area 6052 are reflected simultaneously the stimulated light
There is provided the light supply apparatus 600 goes out optical channel.
The second area 6052 receives the exciting light that the excitation source 601 is sent and reflexed to the exciting light scattered
Injection device 607.The exciting light that the scattering device 607 is provided the second area 6052 be scattered after again by after scattering
Exciting light provides via first collecting lens 606 and arrives the second area 6052, and the second area 6052 dissipates described
The exciting light that injection device 507 provides goes out optical channel described in being transmitted through.It is stimulated light that the Wavelength converter 609 provides, described
The exciting light that another part is not provided by fluorescent material absorption exciting light and the scattering device 607 is by the region point
The offer of electro-optical device 605 goes out optical channel described in and combines light into white light.It is appreciated that the exciting light is preferably blue excitation light,
The stimulated light is yellow stimulated light.But in the change embodiment using above-mentioned light path framework, the exciting light and institute
State stimulated light and be not limited to above-mentioned color, it is described go out optical channel light extraction may not be white light, but green, red etc. its
His color of light.
It can be seen that in the 4th embodiment, because the present invention is provided with the multiple and multi beam excitation beam one by one
Corresponding first area 6051, the multiple major exit stimulated light of first area 6051, but the multiple first area 6051
Area can be designed as smaller, and position may be designed in relative distribution so that what the region light-dividing device 605 was emitted
Light does not have obvious stimulated light color region on the whole, so as to reduce the light extraction inequality of region light-dividing device 605.
The present invention also provides a kind of display system, and the display system can be optical projection system, as LCD, DLP, LCOS are projected
System, the display system can include light supply apparatus, optic modulating device and projection lens, and the light supply apparatus uses above-mentioned
The light supply apparatus 300,400,500,600 for an embodiment of anticipating or light supply apparatus 300,400,500 or 600 mentioned above
Change embodiment light supply apparatus.The optic modulating device is used for the light and input figure sent according to the light supply apparatus
Modulation image light is exported as data modulation image, the projection lens is used to be projected according to the modulation image light
And show projected image.Using the aobvious of above-mentioned light supply apparatus 300,400,500,600 and its light supply apparatus for changing embodiment
Show that the light utilization efficiency of system is higher, the color homogeneity of image is preferable.
Additionally, it is appreciated that light supply apparatus 300,400,500,600 of the present invention and its light supply apparatus of change embodiment
It can be also used for stage lamp system, vehicle lighting system and operating theatre luminaire system etc., however it is not limited to above-mentioned optical projection system.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (13)
- A kind of 1. light supply apparatus, it is characterised in that the light supply apparatus include excitation source, scattering device, Wavelength converter and Region light-dividing device, the region light-dividing device include at least two first areas and including second areas, wherein：The excitation source is used to send exciting light, and at least two first area is used to receive first in the exciting light Part exciting light simultaneously guides the Part I exciting light received to the scattering device, and the second area is used to connect Receive the Part II exciting light in the exciting light and guide the Part II exciting light to the Wavelength converter,The scattering device is used to be scattered the Part I exciting light, and the Part I exciting light after scattering is carried The region light-dividing device is supplied to, the second area is additionally operable to guide the Part I exciting light after scattering to the light source Device goes out optical channel,The Wavelength converter is used to the Part II exciting light being converted to stimulated light, and by the stimulated light provide to The region light-dividing device, at least two first area are additionally operable to guide the stimulated light to institute with the second area State out optical channel.
- 2. light supply apparatus as claimed in claim 1, the excitation source includes exciting optical arrays, the excitation source send to Few two beam excitation beams；The first area is correspondingly arranged with a branch of excitation beam, and corresponding excitation beam is some or all of anti- It is incident upon the scattering device.
- 3. light supply apparatus according to claim 2, it is characterised in that the luminous intensity of the excitation beam from beam center toward Weaken periphery；The center of the first area is corresponding with the center of corresponding excitation beam.
- 4. light supply apparatus as claimed in claim 3, it is characterised in that the area of the first area is less than corresponding excite Light beam is in the facula area formed on the region light-dividing device.
- 5. light supply apparatus as claimed in claim 4, it is characterised in that the quantity of the first area is sent out with the excitation source The quantity of the excitation beam gone out is equal.
- 6. light supply apparatus as claimed in claim 5, it is characterised in that each first area has equal area.
- 7. light supply apparatus as claimed in claim 4, it is characterised in that the total light intensity of the Part I exciting light is predetermined Value, the area of the first area are more than or equal to the small threshold value of the limit, and area can draw for the first area of the small threshold value of the limit The intensity for the exciting light led is limit small intensity；When the predetermined value is more than or equal to the quantity and the product of the limit small intensity of the excitation beam, firstth area The quantity in domain is equal to the quantity of the excitation beam；Otherwise, the quantity of the first area is equal to the predetermined value and the value for rounding to obtain on the business of the limit small intensity.
- 8. light supply apparatus as claimed in claim 7, it is characterised in that the quantity of the first area is less than the excitation beam Quantity when, the first area is uniformly dispersed being arranged at the region light-dividing device.
- 9. light supply apparatus as claimed in claim 1, it is characterised in that what the excitation source was sent reflected in the first area The stimulated light that exciting light and the Wavelength converter are sent, the second area transmit the exciting light that the excitation source is sent And reflect the stimulated light that the Wavelength converter is sent.
- 10. light supply apparatus as claimed in claim 1, it is characterised in that the first area transmits the excitation source and sent Exciting light and transmit the stimulated light that the Wavelength converter is sent, the second area reflects what the excitation source was sent Exciting light simultaneously transmits the stimulated light that the Wavelength converter is sent.
- 11. light supply apparatus as claimed in claim 1, it is characterised in that the quantity of the second area be one, it is described at least Two first areas are set up in parallel, and to be arranged at least two first area peripheral and described at least two for the second area Individual first area surrounds.
- 12. light supply apparatus as claimed in claim 1, it is characterised in that the exciting light is blue excitation light, and the wavelength turns Changing device includes yellow fluorescent material, and the stimulated light is yellow stimulated light.
- 13. a kind of display system, it includes light supply apparatus, it is characterised in that the light supply apparatus uses claim 1-12 items Light supply apparatus described in any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722065.6A CN107783360A (en) | 2016-08-25 | 2016-08-25 | Light supply apparatus and display system |
| TW106124155A TWI702463B (en) | 2016-08-25 | 2017-07-19 | A light source device and display system |
Applications Claiming Priority (1)
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| CN201610722065.6A CN107783360A (en) | 2016-08-25 | 2016-08-25 | Light supply apparatus and display system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11126073B2 (en) | 2018-09-17 | 2021-09-21 | Coretronic Corporation | Illumination system and projection apparatus |
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| US10571791B2 (en) | 2018-04-25 | 2020-02-25 | Delta Electronics, Inc. | Projection system and optimizing method thereof |
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| TW201807479A (en) | 2018-03-01 |
| TWI702463B (en) | 2020-08-21 |
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Address after: 518055 20-22 Floor, United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Guangfeng Polytron Technologies Inc Address before: 518055 Guangdong province Shenzhen Nanshan District Xili town south of Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Applicant before: Shenzhen Guangfeng Photoelectric Technology Co., Ltd. |
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Application publication date: 20180309 |