CN106950785A - A kind of light supply apparatus and lighting device - Google Patents
A kind of light supply apparatus and lighting device Download PDFInfo
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- CN106950785A CN106950785A CN201610007855.6A CN201610007855A CN106950785A CN 106950785 A CN106950785 A CN 106950785A CN 201610007855 A CN201610007855 A CN 201610007855A CN 106950785 A CN106950785 A CN 106950785A
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- laser
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- 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)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Semiconductor Lasers (AREA)
- Projection Apparatus (AREA)
Abstract
A kind of light supply apparatus of present invention protection, light-dividing device including LASER Light Source and on laser optical path, light-dividing device transmissive portion laser formation first laser, and reflecting part laser formation second laser, Wavelength converter is located in the first light path, receive first laser and be converted at least part first laser and the light-dividing device is reflected back towards after the light of different wave length, scattered reflection device is located in the second light path, the light-dividing device is reflected back towards after the second light that second laser is converted to different light distributions, the first smooth light of fractional transmission second is reflected in light-dividing device part, second that the first light and the device that is split of the device that is split reflection are transmitted is photosynthetic for a branch of outgoing.So that arbitrary region of the light-dividing device on emitting light path can the not only light of outgoing first but also the light of outgoing second, light-dividing device in the prior art is avoided to the adverse effect of laser and the selective penetrated property of Stimulated Light to final outgoing optical uniformity, so as to improve the light-emitting uniformity of light source.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of light supply apparatus and lighting device.
Background technology
At present, white light source, conventional white light light are applied in large quantities in illumination and field of projection display
Source includes LED and UHP bulbs etc., and it provides uniform white light beam and is applied to stage lighting, play
The lighting fields such as institute's lamp, searchlight, and using LCD, LCOS and DMD as the projection of representative
Instrument field.For LED light source, it has good reliability and color characteristics, but limited
It is larger in etendue, relatively dissipated applied to lighting field optical beam ratio, it is bright applied to projection field
Degree is limited；For bulb source, it can realize the optical effect of requirement, but its bottleneck exists
In life problems, typically only hundreds of to one or two thousand hour bulb source life-span, which greatly limits
Its popularization applied.With the development of technology, fluorescence is excited by excitation source of semiconductor laser
Powder just progressively substitutes traditional lighting source as the scheme of light source.
But in actual applications, during the fluorescence closing light that laser and laser excitation go out, often produce light
Homogeneity question so that emergent light color skewness.
The content of the invention
For the defect of the light source colour lack of homogeneity of above-mentioned prior art, the present invention provides a kind of equal
The light supply apparatus that even property is good, brightness is high：
Including the LASER Light Source for launching laser, including light-dividing device, on laser optical path,
Light-dividing device transmissive portion laser formation first laser, and reflecting part laser formation second laser,
Light path where first laser is the first light path, and the light path where second laser is the second light path；Bag
Wavelength converter is included, in the first light path, for receiving first laser, and will be at least partly
First laser is converted to after the light of different wave length, forms the first smooth outgoing, Wavelength converter should
First light is reflected back light-dividing device, and the first light is reflected in light-dividing device part；Including scattered reflection device,
In the second light path, the second light for second laser to be converted to different light distributions, and should
Second light is reflected back light-dividing device, the light of light-dividing device fractional transmission second；The device that is split reflection
First light and be split device transmission second it is photosynthetic be a branch of outgoing.
Preferably, including light shaping device, the laser light between LASER Light Source and light-dividing device
Lu Shang, light shaping device includes convex lens, concavees lens and diffusion sheet successively along laser optical path direction.
Preferably, the slide that light-dividing device is stacked including two or more.
Preferably, there is air-gap between slide and slide.
Preferably, light-dividing device includes the first slide, and the first slide is distance in each slide
The nearest slide of Wavelength converter, light-dividing device also includes filter coating, and the filter coating is located at the
One slide is on the surface of Wavelength converter, filter coating transmission laser and the first light of reflection.
Preferably, light-dividing device includes the second slide, and the second slide is distance in each slide
The farthest slide of Wavelength converter, light-dividing device also includes anti-reflection film, and the anti-reflection film is located at the
On surface of two slidies away from Wavelength converter.
Preferably, light-dividing device includes first area and second area, and first area fractional transmission swashs
Light and part reflection laser, second area reflect the first light and the second light of transmission.
Preferably, Wavelength converter includes fixed phosphor sheet or rotatable fluorescence
Colour wheel.
Present invention also offers a kind of light supply apparatus, including for launching the LASER Light Source of laser, bag
Light-dividing device is included, on laser optical path, the light-dividing device reflecting part laser formation first laser,
And transmissive portion laser formation second laser, the light path where first laser is the first light path, second
Light path where laser is the second light path；Including Wavelength converter, in the first light path, use
In receiving first laser, and at least part first laser is converted to after the light of different wave length, formed
First light is reflected back light-dividing device, light-dividing device part by the first smooth outgoing, Wavelength converter
Transmit the first light；Including scattered reflection device, in the second light path, for second laser to be turned
The second light of different light distributions is changed to, and second light is reflected back light-dividing device, light-dividing device portion
Divide reflection the second light；Second that the first light and the device that is split of the device that is split transmission reflect is photosynthetic
For a branch of outgoing.
Preferably, the slide that light-dividing device is stacked including two or more.
Preferably, light-dividing device includes first area and second area, and first area fractional transmission swashs
Light and part reflection laser, second area transmit the first light and the second light of reflection.
Present invention also offers a kind of lighting device, including the light supply apparatus described in any of the above-described.
Compared with prior art, the present invention includes following beneficial effect：
By set on laser optical path can the transmissive portion laser again can the reflecting part laser
Light-dividing device, laser is guided respectively and is incident in Wavelength converter and scattered reflection device, and point
Be not converted to the first light and the second light, the light-dividing device again by outgoing after the first light and the second actinic light,
So that arbitrary region of the light-dividing device on emitting light path can the not only light of outgoing first but also outgoing
Two light, it is to avoid in the prior art light-dividing device to laser and the selective penetrated property of Stimulated Light to final
The adverse effect of outgoing optical uniformity, so as to improve the light-emitting uniformity of light source.
Brief description of the drawings
Fig. 1 is the structural representation of the light supply apparatus of the embodiment of the present invention one；
Fig. 2 is the structural representation of the light-dividing device of light supply apparatus in the embodiment of the present invention one；
Fig. 3 is the structural representation of the light supply apparatus of the embodiment of the present invention two；
Fig. 4 is the structural representation of the light-dividing device of light supply apparatus in the embodiment of the present invention two；
Fig. 5 is the structural representation of the light supply apparatus of the embodiment of the present invention three；
Fig. 6 is the structural representation of the light supply apparatus of the embodiment of the present invention four.
Embodiment
The specific embodiment of the invention provides a kind of a kind of light source that uniformity is good, brightness is high of offer
Device：Including the LASER Light Source for launching laser, including light-dividing device, on laser optical path,
Light-dividing device transmissive portion laser formation first laser, and reflecting part laser formation second laser,
Light path where first laser is the first light path, and the light path where second laser is the second light path；Bag
Wavelength converter is included, in the first light path, for receiving first laser, and will be at least partly
First laser is converted to after the light of different wave length, forms the first smooth outgoing, Wavelength converter should
First light is reflected back light-dividing device, and the first light is reflected in light-dividing device part；Including scattered reflection device,
In the second light path, the second light for second laser to be converted to different light distributions, and should
Second light is reflected back light-dividing device, the light of light-dividing device fractional transmission second；The device that is split reflection
First light and be split device transmission second it is photosynthetic be a branch of outgoing.
Different from some light-dividing devices of the prior art, it can be transmitted in light-dividing device of the invention
The region of laser and energy reflection laser is not by setting two different subregions pair in the part
What transmission laser and reflection laser made a distinction, i.e., the region is by same mutually isostructural area
Domain reaches the effect of transmission and reflection, and the spectral characteristic of first laser and second laser is also essentially identical
(" substrate is identical " herein refers to identical in the range of detection error).Therefore, light splitting is filled
Put the arbitrary region on emitting light path can outgoing there is phase with the laser that LASER Light Source is sent
With the light of spectrum.And light-dividing device of the prior art, always have some regions can not shoot laser,
This even region of an irregular colour in section for causing whole emergent light, will occur, aobvious to image
Show and cause huge adverse effect.
Therefore, the present invention exactly utilizes the particular design of light-dividing device, and both the selection of non-used wavelength was special
Property light splitting, also non-used regioselective properties geometry light splitting so that the transmission of existing fraction of laser light has again
Fraction of laser light reflects, and is finally reached the uniform effect of emergent light, all technical schemes of the invention are all
Implement under this inventive concept.
The embodiment of the present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1 is referred to, Fig. 1 is the structural representation of the embodiment of the present invention one.As described in Figure, light
Source device 100 includes LASER Light Source 101, light-dividing device 105, Wavelength converter 109 and dissipated
Penetrate reflection unit 107.Wherein LASER Light Source 101 is used to launch laser, and light-dividing device 105 is located at
On laser optical path, the transmissive portion laser of light-dividing device 105 formation first laser, and reflecting part shunt excitation
Light formation second laser, the light path where first laser is the first light path, the light where second laser
Road is the second light path.Wavelength converter 109 is located in the first light path, for receiving first laser
Afterwards, at least part first laser is converted to light the first smooth outgoing of formation of different wave length, scattering is anti-
Injection device 107 is located in the second light path, for second laser to be converted into the second of different light distributions
Light.Wavelength converter 109 and scattered reflection device 107 respectively reflect the first light and the second light
To light-dividing device, the part of light-dividing device 105 is reflected the first light and the light of fractional transmission second, is split
Photosynthetic the first light and the second of the transmission of device 105 that is split that device 105 reflects is a branch of outgoing.
In the present embodiment, LASER Light Source 101 can be laser light source, laser diode light source,
The light source that can also be made up of diode laser matrix, every laser light applied in the prior art
Source can be used as the LASER Light Source of the present invention.
In the present embodiment, Wavelength converter 109 is reflective Wavelength converter, i.e., including one
Individual wavelength conversion layer and a reflecting layer, wherein reflecting layer are located at wavelength conversion layer away from light-dividing device
Surface on.The wavelength conversion layer of Wavelength converter 109 absorbs first laser, and first is swashed
Light is converted to the Stimulated Light different from first laser wavelength, Stimulated Light and unabsorbed first laser
Reflected by reflecting layer, and it is (certainly, of the invention also complete including first laser to form the first smooth outgoing
Absorbed and be converted to the situation of Stimulated Light).Wavelength conversion layer include fluorescent material, phosphor material,
Quantum dot light emitting material.In the present embodiment, LASER Light Source is blue light source, Wavelength converter bag
Include yellow fluorescent powder (such as YAG fluorescent powder).Certainly, can also in other embodiment of the present invention
Using the LASER Light Source of other wave-length coverages and the Wavelength converter of other characteristics of luminescences, do not limit
In the technical scheme of above-mentioned embodiment.
In the present embodiment, scattered reflection device 107 changes the light distribution of incident laser, by Gauss point
The laser of cloth is converted to the light of lambertian distribution, so as to improve the uniformity of light, it is to avoid the light exists
Speckle is produced after outgoing.Scattered reflection device 107 includes scattering material layer, scattering material layer
Including one kind in aluminum oxide, titanium oxide, barium sulfate, yittrium oxide, zirconium oxide, zinc oxide or many
Kind, optionally, scattering material layer can also be included for materials such as the glass dust of bonding.This reality
The scattering material layer applied in example is to utilize the scattering particles close with optical maser wavelength, and second laser is entered
Row scattered reflection is acted on.In the other embodiment of the present invention, scattered reflection device 107 may be used also
With the scattering surface from surface irregularity.To strengthen the reflecting properties of scattered reflection device 107,
Can also no longer it be gone to live in the household of one's in-laws on getting married herein from the stacked technical scheme combined of scattered reflection layer and specular layer
State.
In the present embodiment, Wavelength converter 109 can be fixed phosphor sheet, also may be used
Be by the drive devices such as motor drive rotatable fluorescence colour wheel.Scattered reflection device 107
Can be fixed diffusion sheet or rotatable scattering wheel respectively.
In the present embodiment, LASER Light Source 101 sends blue laser, fractional transmission light-dividing device part
The device 105 that is split reflects, and the first blue laser of transmission is wavelength-converted device 109 and is converted to
Light-dividing device 105 is returned to after gold-tinted, the second blue laser of reflection is anti-by scattered reflection device 107
The second light is formed after penetrating and returns to light-dividing device 105.Finally, the gold-tinted of the device 105 that is split reflection
With the second smooth blue light closing light transmitted through light-dividing device 105, as white light outgoing.
In the present embodiment, also including light shaping device, positioned at LASER Light Source 101 and light-dividing device 105
Between laser optical path on, light shaping device along laser optical path direction successively include convex lens 102,
Concavees lens 103 and diffusion sheet 104.The laser beam that convex lens 102 are sent to LASER Light Source 101
Converged, then collimated by concavees lens 103, obtain the light that a beam cross section product is reduced by compression
Beam.Collimated light beam after compression is scattered that piece 104 carries out even light, due to dissipating for diffusion sheet 104
It is rotationally symmetrical to penetrate characteristic, therefore is incident in Wavelength converter 109 and scattered reflection device 107
Hot spot be approximately circular.By light shaping device, what is obtained is that an angle of divergence is small, brightness is equal
The high circular light spot of even, brightness.
In the present embodiment, further, also including positioned at light-dividing device 105 and Wavelength converter
The first condenser lens 108 between 109, first condenser lens 108 make it that being incident in wavelength turns
The facula area of changing device 109 is further reduced, and small light spot is produced on Wavelength converter 109
Light etendue it is small so that the angle of divergence of final emergent light is small, is requiring beam lighting lamp
The occasion that beam divergence angle is small, light energy is concentrated, the present invention disclosure satisfy that to beam lighting lamp
Demand.Further, also including between light-dividing device 105 and scattered reflection device 107
Second condenser lens 106, second condenser lens 106 to be incident in scattered reflection device 107
Facula area further reduce, the optics for the light that small light spot is produced on scattered reflection device 107
Propagation is small so that the angle of divergence of final emergent light is small, is requiring the beam divergence of beam lighting lamp
The occasion that angle is small, light energy is concentrated, the present invention disclosure satisfy that the demand to beam lighting lamp.
In the present embodiment, device 109 can not be wavelength-converted due to there is first laser and fully absorbed
Situation, not only first laser may be included again comprising Stimulated Light in the first light, when first light is by ripple
When long conversion equipment 109 is reflected back light-dividing device 105, the first laser in the first light will be produced again
The phenomenon of first portion transmissive portion reflection, will lose part first laser.Because this is not inhaled in itself
The first laser of receipts is less, and emergent light will not be had an immense impact on.Similarly, working as second laser
When the second light for being converted to different light distributions by scattered reflection device 107 is reflected back light-dividing device 105,
The phenomenon of part transmissive portion reflection equally occurs for second light.In actual applications, needed for white light
Blue light ratio it is less relative to gold-tinted, in 105 first light splitting of light-dividing device, it is necessary to about 85%
Light transmission formation first laser, 15% light reflect to form second laser.Do not considering light loss
Simple model in, 15% second laser is incident in again after being reflected by scattered reflection device 107
Light-dividing device 105,85% transmission therein, then the light of loss only accounts for the 2.25% of former LASER Light Source,
The light loss is relative to the technical scheme of borehole has no obvious inferior position on light splitting piece in the prior art.
Because light-dividing device 105 is overall uniform, then the first light for being reflected through light-dividing device 105 and
Second light of transmission is individually that light distribution is uniform respectively, then closing light is also that color is uniform.
In the present embodiment, the slide that light-dividing device is stacked including two or more.Please
Referring to Fig. 2, Fig. 2 is the structural representation of the light-dividing device 105 of the present embodiment.Point in Fig. 2
Electro-optical device 105 includes two slidies 1051 and 1052.During laser light incident to slide, saturating
On bright each surface, reflection and refraction action all occur simultaneously, i.e., slide is to laser
Transmissivity not 100%, this light splitting is not to distinguish to realize using light beam wavelength characteristic, not yet
It is to be realized using light-dividing device different zones difference transmission (such as setting vacancy section).It is final saturating
The light for penetrating two slidies is first laser, and final reflected light is second laser.
The slide that the present invention is stacked using two or more, is exactly to utilize slide pair
The superposition for the function that light partly reflects, accordingly, in the case where slide material is constant, thoroughly
Bright quantity is more, and reflected light is more, the ratio of the luminous flux of first laser and second laser
It is smaller.In this way, the ratio of first laser and second laser can simply be adjusted.
In the present embodiment, there is air-gap, the air between slide 1051 and slide 1052
Gap cause light from when the outgoing of slide 1052 and light incidence 1051 because before and after interface refractive index it is different and
Occurs the phenomenon of reflection+refraction., will if slide 1051 is directly fitted with slide 1052
Light may be caused, into direct transmissive when 1051, not reflected and rolled over by slide 1052
Penetrate, equivalent to one slide of slide 1051 and slide 1052 now, this will cause point
The Transflective function of electro-optical device 105 is had a greatly reduced quality.In some cases, the present invention can also be only
By the use of a slide as light-dividing device, this will be produced to the material of slide and internal structure will
Ask, this is due to be difficult to obtain Transflective than appropriate light-dividing device by the slide of monolithic,
Such a particular technique is not in the range of the discussion of the present invention, and this utilizes material and the skill of internal structure
Art scheme is two kinds of different sub- technologies from the technical scheme that multiple slidies of the present embodiment are superimposed
Scheme, both technical schemes can be contained within the inventive concept of the present invention.
In the present embodiment, as shown in Fig. 2 light-dividing device 105 also includes filter coating 1053 and increased
Permeable membrane 1054.Wherein, filter coating 1053 is located on the surface of the first slide 1051, and first is saturating
Bright 1051 is slide nearest apart from Wavelength converter 109 in each slide, and is filtered
Film 1053 is located at the first slide 1051 on the surface of Wavelength converter 109；Anti-reflection film
1054 are located on the surface of the second slide 1052, and the second slide 1052 is each slide middle-range
The slide farthest from Wavelength converter 109, it is remote that anti-reflection film 1054 is located at the second slide
On the surface of Wavelength converter 109.
In the present embodiment, filter coating 1053 is transmissive to laser so that first laser is filled through light splitting
Put and be incident in Wavelength converter 109, meanwhile, filter coating 1053 can also be by Wavelength converter
109 the first light reflections sent, direct it to emitting light path.
In the present embodiment, anti-reflection film 1054 strengthens the transmission performance of laser, to light-dividing device 105
Laser Transflective ratio be adjusted so that the ratio of the first light and the second light in emergent light can
Control.In the present invention, increase anti-reflection film 1054 is a preferred technical scheme, even if light splitting
There is no anti-reflection film in device 105, the function of transmission and reflection can also be realized.
Embodiment two
Fig. 3 is referred to, Fig. 3 is the structural representation of the light supply apparatus of the embodiment of the present invention two, light
Source device 200 includes LASER Light Source 201, light-dividing device 205, Wavelength converter 209 and dissipated
Penetrate reflection unit 207.The present embodiment and the difference of embodiment one be, light-dividing device 205 with it is real
The light-dividing device 105 applied in example one is slightly different.
As shown in figure 4, Fig. 4 is the light-dividing device 205 of light supply apparatus 200 in the embodiment of the present invention two
Structural representation.Wherein, light-dividing device 205 includes first area 2051 and second area 2052.
The fractional transmission laser of first area 2051 and part reflection laser, the reflection of second area 2,052 first
Light and the second light of transmission.
In the present embodiment, first area 2051 and the light splitting in embodiment one of light-dividing device 205
Device 105 is identical, and its 26S Proteasome Structure and Function is referred to a pair of light-dividing devices of above-described embodiment 105
Description.That is the first area 2051 of the light-dividing device 205 of the present embodiment can also include two
Or the slide that two or more is stacked, there is air-gap, this between slide and slide
One region 2051 can also include filter coating and anti-reflection film.
In the present embodiment, second area 2052 is a region that closing light is carried out using wavelength characteristic.
The first light (such as gold-tinted) from Wavelength converter 209 and from scattered reflection device 207
Both sides of second light (such as blue light) respectively from second area 2052 are incident, and the first light is reflected,
Second light is transmitted so that two-beam is combined into a branch of outgoing.
In embodiment one, the homogeneous region of the only one of which of light-dividing device 105, and in the present embodiment
In, the area of first area 2051 reduces relative to light-dividing device 105, and in first area 2051
Around be provided with second area 2052.
First, the laser that LASER Light Source 201 is produced is incident in first after light shaping device shaping
Region 2051, without being incident in second area 2052, this greatly reduces the sectional area of light beam,
It is easy to produce small light spot on Wavelength converter 109.
Secondly, as described in above-mentioned embodiment one, the second light can produce loss at light-dividing device 105,
In the present embodiment, after the second light is reflected by scattered reflection device 207, first area 2051 is covered
With second area 2052, wherein, be incident in first area 2051 the second light produce and embodiment
Identical light loss ratio in one, and the second light of second area 2052 is incident in higher
Transmissivity, so as to reduce the light loss of the second light.
The present embodiment two is increasingly complex relative to the design of embodiment one, but also brings reduction light loss
The beneficial effects such as mistake.
Embodiment three
Fig. 5 is referred to, Fig. 5 is the structural representation of the light supply apparatus of the embodiment of the present invention three.This
The difference of embodiment and embodiment one is that the position of Wavelength converter and scattered reflection device is entered
Exchange is gone.
The light supply apparatus 300 of the present embodiment includes LASER Light Source 301, light-dividing device 305, wavelength
Conversion equipment 309 and scattered reflection device 307.Wherein LASER Light Source 301 is used to launch laser,
Light-dividing device 305 is located on laser optical path, and the reflecting part laser formation first of light-dividing device 305 swashs
Light, and transmissive portion laser formation second laser, the light path where first laser is the first light path,
Light path where second laser is the second light path.Wavelength converter 309 is located in the first light path,
For receiving after first laser, at least part first laser is converted to the light formation the of different wave length
One smooth outgoing, scattered reflection device 307 is located in the second light path, for second laser to be converted to
Second light of different light distributions.Wavelength converter 309 and scattered reflection device 307 are respectively by
One light and the second light reflex to light-dividing device, and the first light of fractional transmission of light-dividing device 305 is simultaneously partly anti-
Penetrate the second light, the device 305 that is split transmission the first light and be split device 305 reflection second
Photosynthetic is a branch of outgoing.
The Transflective characteristic of the light-dividing device 305 of the present embodiment just with the light splitting in embodiment one
Device 105 it is opposite.In the present embodiment, light-dividing device 305 is laminated including two or more
The slide of setting.In actual applications, it is desirable to there are more laser to be reflected onto wavelength convert dress
309 are put, then the slide quantity of light-dividing device 305 is by the slide in much more than embodiment one
Quantity.This will bring light loss to increase, and (absorptivity is unlikely to be 0), structural volume be big, light path
The problem of dislocation aggravates (the light path skew that refractive band comes), this problem is not in the discussion model of the present invention
In enclosing, embodiment of the present invention is not influenceed to improve the effect of emergent light color uniformity.
The description of miscellaneous part in the present embodiment, refer to the description of embodiment one, no longer go to live in the household of one's in-laws on getting married herein
State.
Example IV
Fig. 6 is referred to, Fig. 6 is the structural representation of the light supply apparatus of the embodiment of the present invention four.This
The difference of embodiment and embodiment two is that the position of Wavelength converter and scattered reflection device is entered
Exchange is gone.
The light supply apparatus 400 of the present embodiment includes LASER Light Source 401, light-dividing device 405, wavelength
Conversion equipment 409 and scattered reflection device 407.Wherein LASER Light Source 401 is used to launch laser,
Light-dividing device 405 is located on laser optical path, and the reflecting part laser formation first of light-dividing device 405 swashs
Light, and transmissive portion laser formation second laser, the light path where first laser is the first light path,
Light path where second laser is the second light path.Wavelength converter 409 is located in the first light path,
For receiving after first laser, at least part first laser is converted to the light formation the of different wave length
One smooth outgoing, scattered reflection device 407 is located in the second light path, for second laser to be converted to
Second light of different light distributions.Wavelength converter 409 and scattered reflection device 407 are respectively by
One light and the second light reflex to light-dividing device, and the first light of fractional transmission of light-dividing device 405 is simultaneously partly anti-
Penetrate the second light, the device 405 that is split transmission the first light and be split device 405 reflection second
Photosynthetic is a branch of outgoing.
Identical with embodiment two, the light-dividing device 405 of the present embodiment also includes two regions, wherein
First area transmissive portion laser and reflecting part laser, different, second area transmission
First light simultaneously reflects the second light.
As described in embodiment five, the present embodiment is also required to more laser and reflexes to ripple by first area
Long conversion equipment 409, in the case where the material of slide is constant, the number of required slide
Amount is also more than the slide quantity in embodiment two.But the first area area in the present embodiment is small
The area of light-dividing device 305 in embodiment five, therefore the structural volume as described in embodiment five
Greatly, the problems such as light path misplaces in the present embodiment will not be excessively serious.
The description of miscellaneous part in the present embodiment, refer to the description of embodiment two, no longer go to live in the household of one's in-laws on getting married herein
State.
Another embodiment of the present invention additionally provides a kind of lighting device, including any of the above-described embodiment
Light supply apparatus, in addition, also including being arranged on lens group in the emergent light light path of light-dividing device etc.
Part.
The embodiment of each in this specification is described by the way of progressive, and each embodiment is stressed
Be all the identical mutual coherent of similar portion between difference with other embodiment, each embodiment
See.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention,
Equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made, or
Other related technical fields are directly or indirectly used in, the patent for being similarly included in the present invention is protected
In the range of shield.
Claims (12)
1. a kind of light supply apparatus, including for launching the LASER Light Source of laser, it is characterised in that：
Including light-dividing device, on laser optical path, light-dividing device transmissive portion laser formation the
One laser, and reflecting part laser formation second laser, the light path where first laser is the first light
Light path where road, second laser is the second light path；
Including Wavelength converter, in first light path, for receiving first laser, and
After the light that at least part first laser is converted to different wave length, the first smooth outgoing, the ripple are formed
First light is reflected back the light-dividing device by long conversion equipment, the light-dividing device part reflection the
One light；
Including scattered reflection device, in second light path, for the second laser to be turned
The second light of different light distributions is changed to, and second light is reflected back the light-dividing device, described point
The light of electro-optical device fractional transmission second；
The first light for being reflected by the light-dividing device and by the light-dividing device transmit it is second photosynthetic
For a branch of outgoing.
2. light supply apparatus according to claim 1, it is characterised in that including finishing shape dress
Put, on the laser optical path between the LASER Light Source and the light-dividing device, the light shaping
Device includes convex lens, concavees lens and diffusion sheet successively along the laser optical path direction.
3. light supply apparatus according to claim 1, it is characterised in that the light-dividing device
The slide being stacked including two or more.
4. light supply apparatus according to claim 3, it is characterised in that the slide with
There is air-gap between slide.
5. light supply apparatus according to claim 3, it is characterised in that the light-dividing device
Including the first slide, the first slide is Wavelength converter described in distance in each slide
Nearest slide, the light-dividing device also includes filter coating, and the filter coating is located at the first slide
On the surface of the Wavelength converter, the filter coating transmits the laser and reflection first
Light.
6. light supply apparatus according to claim 3, it is characterised in that the light-dividing device
Including the second slide, the second slide is Wavelength converter described in distance in each slide
Farthest slide, the light-dividing device also includes anti-reflection film, and the anti-reflection film is located at the second slide
On surface away from the Wavelength converter.
7. light supply apparatus according to claim 1, it is characterised in that the light-dividing device
Including first area and second area, laser described in the first area fractional transmission and part reflection
The laser, the second area reflects first light and transmits second light.
8. light supply apparatus according to claim 1, it is characterised in that the wavelength convert
Device includes fixed phosphor sheet or rotatable fluorescence colour wheel.
9. a kind of light supply apparatus, including for launching the LASER Light Source of laser, it is characterised in that：
Including light-dividing device, on laser optical path, light-dividing device reflecting part laser formation the
One laser, and transmissive portion laser formation second laser, the light path where first laser is the first light
Light path where road, second laser is the second light path；
Including Wavelength converter, in first light path, for receiving first laser, and
After the light that at least part first laser is converted to different wave length, the first smooth outgoing, the ripple are formed
First light is reflected back the light-dividing device, the light-dividing device fractional transmission by long conversion equipment
One light；
Including scattered reflection device, in second light path, for the second laser to be turned
The second light of different light distributions is changed to, and second light is reflected back the light-dividing device, described point
The second light is reflected in electro-optical device part；
The first light for being transmitted by the light-dividing device and by the light-dividing device reflect it is second photosynthetic
For a branch of outgoing.
10. light supply apparatus according to claim 9, it is characterised in that the light-dividing device
The slide being stacked including two or more.
11. light supply apparatus according to claim 9, it is characterised in that the light-dividing device
Including first area and second area, laser described in the first area fractional transmission and part reflection
The laser, the second area transmits first light and reflects second light.
12. a kind of lighting device, including the light supply apparatus as described in claim any one of 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007855.6A CN106950785B (en) | 2016-01-07 | 2016-01-07 | Light source device and lighting device |
| PCT/CN2016/111694 WO2017118300A1 (en) | 2016-01-07 | 2016-12-23 | Light source device and illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007855.6A CN106950785B (en) | 2016-01-07 | 2016-01-07 | Light source device and lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950785A true CN106950785A (en) | 2017-07-14 |
| CN106950785B CN106950785B (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007855.6A Active CN106950785B (en) | 2016-01-07 | 2016-01-07 | Light source device and lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106950785B (en) |
| WO (1) | WO2017118300A1 (en) |
Cited By (2)
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| CN111856859A (en) * | 2019-04-24 | 2020-10-30 | 深圳光峰科技股份有限公司 | Light source system and display device |
| JP7484448B2 (en) | 2020-06-04 | 2024-05-16 | セイコーエプソン株式会社 | Lighting equipment and projectors |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111433671B (en) | 2017-12-27 | 2022-04-12 | 麦克赛尔株式会社 | Projector with a light source |
| CN110764172A (en) * | 2018-07-26 | 2020-02-07 | 无锡视美乐激光显示科技有限公司 | Diffusion filter, laser light source device and projector thereof |
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Also Published As
| Publication number | Publication date |
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| WO2017118300A1 (en) | 2017-07-13 |
| CN106950785B (en) | 2020-10-16 |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: APPOTRONICS Corp.,Ltd. Address before: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Applicant after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Applicant before: APPOTRONICS Corp.,Ltd. |
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