CN109539188A - A kind of light source - Google Patents
A kind of light source Download PDFInfo
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- CN109539188A CN109539188A CN201710644830.1A CN201710644830A CN109539188A CN 109539188 A CN109539188 A CN 109539188A CN 201710644830 A CN201710644830 A CN 201710644830A CN 109539188 A CN109539188 A CN 109539188A
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- light
- light source
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- blue laser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of 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
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Semiconductor Lasers (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of light sources.The light source can be applied to projection field and lighting area, including blue laser light source, for generating blue laser；Green light transition material, for generating green stimulated light under the action of blue laser；Yellow light transition material, for generating yellow stimulated light under the action of blue laser；Feux rouges optical filter, for yellow stimulated light to be filtered into red stimulated light, wherein blue laser, green stimulated light and red stimulated light are sequentially emitted.In this way, it can be improved brightness of illumination, and promote its colour rendering.
Description
Technical field
The present invention relates to optical technical fields, more particularly to a kind of light source.
Background technique
Brightness of illumination and colour rendering are to evaluate the important parameter of lighting source superiority and inferiority, and the colour rendering of light refers to different spectrum
When light source is radiated on the object of same color, the characteristic of presented different colours.The degree that object color is presented in light source claims
For the degree true to nature of colour rendering, that is, color.Usually light is indicated with chromaticness index (Color Quality Scale, CQS)
The colour rendering in source.The colour rendering index of light source is higher, and better, the color that human eye is seen is also just closer to object for color developing
Natural primary color.
The present inventor has found that current existing light source generally uses three kinds of single primary colours to shine in long-term research and development
Diode (Light Emitting Diode, LED) light source synthesizes white light, but the brightness of this light source is lower, or uses three
The single pure laser of primary colours of kind is mixed to form white light, and laser has good monochromaticjty, and brightness is higher, but its spectral bandwidth is all very
Narrow, colour rendering is very low, then yellow light fluorescence is generated by blue laser excitation yellow fluorescent powder, and be mixed into blue laser white
Light, although the colour rendering of this light source increases, its spectrum be it is discrete, be not still able to satisfy many illumination occasions
Colour rendering requirement.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of light sources, to improve brightness of illumination, and improve its colour rendering.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of light source is provided, the light source applications
In lighting area, comprising: blue laser light source, for generating blue laser；Green light transition material, for the work in blue laser
With the green stimulated light of lower generation；Yellow light transition material, for generating yellow stimulated light under the action of blue laser；Feux rouges filters
Piece, for yellow stimulated light to be filtered into red stimulated light, wherein blue laser, green stimulated light and red are excited light sequential
Ground outgoing.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of light source, which answers
For projection field, comprising: blue laser light source, for generating blue laser；Green light transition material, in blue laser
Effect is lower to generate green stimulated light；Yellow light transition material, for generating yellow stimulated light under the action of blue laser；Feux rouges filter
Mating plate, for yellow stimulated light to be filtered into red stimulated light, wherein when blue laser, green stimulated light and red stimulated light
Sequence it is emitted.
Wherein, above-mentioned light source further comprises colour wheel, which is at least divided into the first colour wheel subregion, the second colour wheel subregion
With third colour wheel subregion, wherein blue laser successively acts on the first colour wheel subregion, the second colour wheel in the rotation process of colour wheel
Subregion and third colour wheel subregion, wherein the first colour wheel subregion is arranged to be emitted blue laser, green light transition material is set to second
Colour wheel subregion, yellow light transition material and feux rouges optical filter are set to third colour wheel subregion.
Wherein, above-mentioned blue laser is single dominant wavelength blue laser.
Wherein, the dominant wavelength of above-mentioned blue laser is 455nm.
Wherein, above-mentioned blue laser includes more than two different dominant wavelength blue lasers.
Wherein, the dominant wavelength of above-mentioned two above different dominant wavelength blue lasers is respectively in 445nm, 455nm and 465nm
At least two.
Wherein, above-mentioned light source further comprises colour wheel, which is at least divided into the first colour wheel subregion and the second colour wheel point
Area, wherein the shortest blue laser of dominant wavelength is in the rotation process of colour wheel in described two above different dominant wavelength blue lasers
The first colour wheel subregion, the second colour wheel subregion are successively acted on, wherein green light transition material is set to the first colour wheel subregion, and yellow light turns
Conversion materials and feux rouges optical filter are set to the second colour wheel subregion；Dominant wavelength is removed in described two above different dominant wavelength blue lasers
Other blue lasers outside shortest blue laser, the green stimulated light being emitted after the first colour wheel subregion, through described
The red stimulated light being emitted after two colour wheel subregions is sequentially emitted.
Wherein, above-mentioned light source further comprises blue light LED light source, and blue light LED light source is for providing blue supplementary light.
Wherein, above-mentioned light source further comprises red laser light source, for providing red supplement light.
The beneficial effect of the embodiment of the present invention is: being different from the prior art, the light source of the embodiment of the present invention is by blue laser
Light source, green light transition material, yellow light transition material and feux rouges optical filter composition, wherein the blue laser light source generates blue and swashs
Light, the green light transition material generate green stimulated light under the action of the blue laser, which swashs in the blue
Yellow stimulated light is generated under the action of light, and the yellow stimulated light is filtered into red stimulated light through the Red lightscreening plate, the blue
At white light, which can increase the photograph of light source for laser, the green stimulated light and the further colour mixture of red stimulated light
Brightness, and the green stimulated light and red stimulated light have wider spectrum, have to most of benchmark tinctorial pattern higher
Colour developing value, therefore, the light source of the embodiment of the present invention can be improved brightness of illumination, and improve its colour rendering, general to need to throw
The high occasion of the occasion and lighting requirement of shadow.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of light source first embodiment of the present invention；
Fig. 2A is the spectral schematic of Fig. 1 embodiment light source；
Fig. 2 B is the CQS value of Fig. 1 embodiment light source and the schematic diagram of the colour developing value to benchmark tinctorial pattern VS1-VS15；
Fig. 3 A is the spectral schematic of light source second embodiment of the present invention；
Fig. 3 B is the signal of the CQS value and the colour developing value to benchmark tinctorial pattern VS1-VS15 of light source second embodiment of the present invention
Figure；
Fig. 4 is the structural schematic diagram of light source 3rd embodiment of the present invention；
Fig. 5 A is the spectral schematic of Fig. 4 embodiment light source；
Fig. 5 B is the CQS value of Fig. 4 embodiment light source and the schematic diagram of the colour developing value to benchmark tinctorial pattern VS1-VS15；
Fig. 6 is the structural schematic diagram of light source fourth embodiment of the present invention；
Fig. 7 A is the spectral schematic of Fig. 6 embodiment light source；
Fig. 7 B is the CQS value of Fig. 6 embodiment light source and the schematic diagram of the colour developing value to benchmark tinctorial pattern VS1-VS15；
Fig. 8 is the structural schematic diagram of the 5th embodiment of light source of the present invention.
Specific embodiment
Light source of the invention can be applied to the lighting areas such as stage lighting, headlight for vehicles, can also be applied to projection field.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of light source first embodiment of the present invention.The light source 101 of the present embodiment is answered
For lighting area, projection field also can be applied to.The present embodiment light source 101 includes blue laser light source 102, green light conversion
Material 103, yellow light transition material 104 and feux rouges optical filter 105 form, and blue laser light source 102 generates blue laser, and green light turns
Conversion materials 103 generate green stimulated light under the action of blue laser, and yellow light transition material 104 produces under the action of blue laser
Raw yellow stimulated light, and the yellow stimulated light is filtered into red stimulated light through Red lightscreening plate 105, wherein the blue laser, should
Green stimulated light and the red stimulated light are sequentially emitted, the blue laser, the green stimulated light and the red stimulated light
It is sequentially emitted, stimulation human eye generates the effect that mixing is superimposed as white light.
In the illumination system, light source is for illuminating object, and the spectrum that light source issues is after object reflects by people
Eye is received, therefore light source has inevitable contact with its spectral region to the authenticity of the color displays of object.Work as light source light
When the main wave that seldom or shortage object is reflected under reference light source in spectrum, color can be made to generate apparent color difference.Color difference degree
Bigger, light source is poorer to the colour rendering of the color.Therefore, the colour rendering to improve light source, it is necessary to make the spectrum of light source as far as possible
Cover each color of light.
The light of any color can be synthesized by red, green, blue three primary colours light, and in the three primary colours, blue light wavelength is most short, most
The other two kinds of primary lights of excitation are easy, the present embodiment light source 101 can not only excite using blue laser and generate other two kinds of primary colours
Light, and can be improved the brightness of light source.The present embodiment light source 101 is generated using blue laser excitation green light transition material 103
Green light stimulated light.Because the launching efficiency of red conversion material is low, and be easy to cause colour mixture at white light blue shift, and yellow light is excited
Light and blue laser colour mixture at white-light spectrum it is discontinuous, colour rendering is poor, and therefore, the present embodiment light source 101 is turned using yellow light
Conversion materials 104 generate yellow stimulated light under the action of blue laser, which is filtered into red through Red lightscreening plate 105
Color stimulated light, the blue laser, the green stimulated light and the red stimulated light are sequentially emitted, and it is folded that stimulation human eye generates mixing
The effect of addition white light.
The green light transition material 103 of the present embodiment can be, but not limited to, green fluorescent material, green phosphorescent material, green
Any one in color quanta point material；Yellow light transition material 104 can be, but not limited to, yellow fluorescent material, yellow phosphorescence
Any one in material, yellow quanta point material.
It is different from the prior art, the blue laser that the blue laser light source 102 of the present embodiment light source 101 generates can increase
The brightness of illumination of light source 101, and green stimulated light and red stimulated light have wider spectrum, therefore to most of benchmark
Tinctorial pattern has higher colour developing value, so as to improve colour rendering while improving brightness of illumination.
Optionally, the present embodiment light source 101 further comprises colour wheel 106, and colour wheel 106 is at least divided into the first colour wheel subregion
107, the second colour wheel subregion 108 and third colour wheel subregion 109, wherein blue laser caused by blue laser light source 102 is in color
The first colour wheel subregion 107, the second colour wheel subregion 108 and third colour wheel subregion 109 are successively acted in the rotation process of wheel 106,
Wherein the first colour wheel subregion 107 is arranged to be emitted blue laser that (colour wheel 106 uses transmission-type colour wheel, then the first colour wheel subregion 107
It is set as transmiting blue laser；Colour wheel 106 uses reflective colour wheel, then the first colour wheel subregion 107 is set as reflecting blue laser), it is green
Light conversion material 103 is set to the second colour wheel subregion 108, and yellow light transition material 104 and feux rouges optical filter 105 are set to third color
Take turns subregion 109.With the rotation of colour wheel 106, the first colour wheel subregion 107, the second colour wheel subregion 108 and third colour wheel subregion 109
Outgoing blue and green light and feux rouges can be circuited sequentially, the different color continued stimulus organs of vision generate and are added mixed effect
Fruit.In other embodiments, the first colour wheel point can be acted on to change blue laser by changing the direction of rotation of colour wheel 106
Area 107, the second colour wheel subregion 108 and third colour wheel subregion 109 sequence.
Yellow light transition material 104 and feux rouges optical filter 105 in the present embodiment are separately positioned on third colour wheel subregion 109
Two sides.Certainly, in other embodiments, yellow light transition material 104 and feux rouges optical filter 105 can be respectively provided with and third colour wheel
The incident side of subregion 109, the i.e. side close to blue laser light source 102.
Certainly, in other embodiments, colour wheel 106 can be divided into the first colour wheel of multiple groups subregion 107, the second colour wheel subregion
108 and third colour wheel subregion 109, and setting is circuited sequentially, this setup can be obtained with the revolving speed of lower colour wheel 106
Obtain identical illuminating effect.
Wherein, the CQS value Qa of the light source 101 of the present embodiment is greater than 85.Light source is known as colour rendering to the coloration ability of object,
It is to be obtained and compared with object appearance color under same colour temperature reference light source (incandescent lamp or daylight).CQS is fixed at present
The common method of adopted color rendering properties of light source evaluation.CQS is to choose 15 kinds to be evenly distributed in the entire visible light of reference light source
Heavy shade as benchmark tinctorial pattern VS1-VS15, the CQS value Qa of light source 101 be light source 101 to this 15 kinds of benchmark tinctorial pattern VS1-
The root-mean-square value of the colour developing value Q1-Q5 of VS15.Certainly, in other embodiments, colour rendering index (Color can also be used
Rendering Index, CRI) evaluate the colour rendering of light source 101.
Wherein, the blue laser of the present embodiment is single dominant wavelength blue laser, which is
455nm.The spectrum of the present embodiment light source 101 is as shown in Figure 2 A, the spectrum of green stimulated light close to green light spectrum, and
Itself has purer green, does not need to be filtered, and launching efficiency is high, can be further improved the brightness of illumination of light source 101, and
Green stimulated light and red stimulated light all have wider spectrum.The present embodiment light source 101 to the colour developing value of each benchmark tinctorial pattern such as
Shown in Fig. 2 B, there are higher colour developing value, Qa 87 in the present embodiment irradiation source 101 to most of benchmark tinctorial pattern.The present embodiment
Light source 101 to the colour developing of benchmark tinctorial pattern VS1-VS15 compared with the colour developing of benchmark tinctorial pattern, color difference very little.Therefore, this implementation
Example light source 101 can perform well in illuminating, the illumination occasion that especially some high brightness, high-color rendering require.
Certainly, in other embodiments, the dominant wavelength of single dominant wavelength blue laser can be other wavelength, such as 445nm-
Other wavelength outside any wavelength or the range in 465nm.
The present invention further provides the light source of second embodiment, light of the revealed light source of the present embodiment in above-described embodiment
It is described on the basis of source.The blue laser of the present embodiment is more dominant wavelength blue lasers, to extend the entirety of blue wave band
Spectrum, and then promote the colour rendering of light source 101.The dominant wavelength of the blue laser of the present embodiment be respectively 445nm, 455nm and
465nm, at this point, light source (does not indicate), spectrum is as shown in Figure 3A, colour developing value such as Fig. 3 B of the present embodiment light source to each benchmark tinctorial pattern
Shown, the present embodiment light source has been obviously improved CQS value Q9-Q11, the Q9-Q11 difference to tinctorial pattern VS9-VS11 (Lan Qingse)
88,81,82 are increased to, so that chromaticness index Qa be made to be increased to 88.The present embodiment light source 101 illuminates each benchmark tinctorial pattern VS1-
Compared with the colour developing of benchmark tinctorial pattern, color difference is further reduced for the colour developing of VS15, and the present embodiment light source 101 is to various reference colours
Sample all has excellent illumination color developing effect.
Certainly in other embodiments, blue laser may include any two kinds of main waves in 445nm, 455nm and 465nm
It is long, or including three or more dominant wavelength.
The present invention further provides the light source of 3rd embodiment, light of the revealed light source of the present embodiment in above-described embodiment
It is described on the basis of source.Referring to Figure 4 together, Fig. 5 A and Fig. 5 B, the present embodiment light source 401 further comprise blue-ray LED
Light source 402, blue light LED light source 402 for provide blue supplementary light (specifically, blue light LED light source 402 can and blue laser
Light source 403, which is arranged in parallel, emits light beam with same optical path, and only controls blue light LED light source 402 and blue laser in the blue light period
Light source 403 emits blue light to the first colour wheel subregion simultaneously, and in green light period and feux rouges period, control blue laser light source 403
Emit blue light to the second colour wheel subregion and third colour wheel subregion；Certainly, blue light LED light source 402 can also be with blue laser light source
403 do not emit light beam with same optical path, such as vertical, as long as controlling blue light LED light source 402 and blue laser light source in the blue light period
403 emit blue light simultaneously, and realize the light of blue light LED light source transmitting by light splitting Multiplexing apparatus and be emitted from the first colour wheel subregion
Blue laser light combination)；The wave-length coverage of blue supplementary light is 465nm-475nm.Blue light LED light source 402 is relative to blue laser
For light source 403, there is wider spectrum, and its wavelength can just make up blue laser spectrum and green stimulated light spectrum it
Between 450-480nm vacancy (as shown in Figure 5A), therefore the present embodiment light source 401 can be obviously improved VS7-VS12 (green,
Blue cyan) CQS value Q7-Q12, Q7-Q12 has been respectively increased 94,94,95,92,90,98, Qa be promoted to 91 (such as Fig. 5 B
It is shown), projection source 401 of the present embodiment for illumination illuminates the colour developing of benchmark tinctorial pattern VS1-VS15 and the colour developing of benchmark tinctorial pattern
It compares, color difference very little, the projection source 401 of the present embodiment illumination of the present embodiment all has various benchmark tinctorial patterns excellent
Illuminate color developing effect.The dominant wavelength that the indigo plant of the present embodiment swashs laser is 445nm, with the higher brightness of reality.
The present invention further provides the light source of fourth embodiment, light of the revealed light source of the present embodiment in above-described embodiment
It is described on the basis of source.It (can also include referring to Figure 6 together being divided Multiplexing apparatus between light source 601 and colour wheel, in figure
Be not shown), Fig. 7 A and Fig. 7 B, the present embodiment light source 601 further comprises red laser light source 602, for providing red benefit
Filling light (specifically only can emit red laser in feux rouges period control red laser light source 602 to go out with from colour wheel third colour wheel subregion
The red penetrated is excited actinic light), to promote the CQS value Q1 that benchmark tinctorial pattern has risen VS1 (kermesinus), can be seen that from Fig. 7 B
After red laser 602 is added, Q1 is promoted to 99, Qa and reaches 95, colour developing and each benchmark of the present embodiment light source 601 to each benchmark tinctorial pattern
The substantially colorless difference of tinctorial pattern.It is appreciated that in other embodiments, such as the field slightly lower in some pairs of feux rouges brightness requirements
It closes, red LED light source can also be added, red supplement light is provided, to reduce cost.
The present invention further provides the light source of the 5th embodiment, light of the revealed light source of the present embodiment in above-described embodiment
It is described on the basis of source.Referring to Fig. 8, the dominant wavelength of the blue laser of the present embodiment light source 801 be respectively 445nm,
455nm and 465nm, colour wheel 802 are at least divided into the first colour wheel subregion 803 and the second colour wheel subregion 804, wherein minimum dominant wavelength
Blue laser a (445nm, the smaller light of wavelength, launching efficiency are higher) is successively acted in the rotation process of colour wheel 802
Color wheel subregion 803 and the second colour wheel subregion 804, wherein green light transition material 805 is set to the first colour wheel subregion 803, yellow light
Transition material 806 and feux rouges optical filter 807 are set to the second colour wheel subregion 804.Swashed by the blue of timing control different wave length
Light outgoing controls longer wavelengths of blue laser b (455nm and/or 465nm) outgoing in the blue light period, controls in the green light period
The shortest blue laser a of wavelength is emitted to the first subregion 803 of colour wheel 802, swashs in the shortest blue of feux rouges period control wavelength
Light a is emitted to the second subregion 804 of colour wheel 802, to sequentially obtain blue and green light and feux rouges.
The blue laser and stimulated light of two or more difference dominant wavelengths can be by being arranged light splitting Multiplexing apparatus in the optical path
To guide.
Certainly, in other embodiments, colour wheel 802 can be replaced to obtain what timing obtained using other method or apparatus
Blue and green light and feux rouges.Such as blue laser a is directed in two different optical paths, then passes through the two different optical paths
Green light and feux rouges are obtained respectively, and blue laser b itself also has another optical path, by controlling these three different optical paths,
Energy timing obtains blue and green light and feux rouges.
It being different from the prior art, the blue laser light source of light source of the embodiment of the present invention can increase the brightness of illumination of light source,
And green stimulated light and red stimulated light have wider spectrum, therefore have higher colour developing to most of benchmark tinctorial pattern
Value, so as to improve colour rendering while improving brightness of illumination.
In addition, the embodiment of the present invention is able to ascend the brightness of illumination of light source by more dominant wavelength blue lasers, blue light is widened
Spectrum increases colour rendering；The embodiment of the present invention can widen blue spectrum, increase colour rendering by increasing blue-ray LED；This hair
Bright embodiment is capable of providing red supplement light, widens red-light spectrum, increase colour rendering by increasing red laser light source.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of light source, which is characterized in that the light source applications are in lighting area, comprising:
Blue laser light source, for generating blue laser；
Green light transition material, for generating green stimulated light under the action of the blue laser；
Yellow light transition material, for generating yellow stimulated light under the action of the blue laser；
Feux rouges optical filter, for the yellow stimulated light to be filtered into red stimulated light, wherein the blue laser, the green
Stimulated light and the red stimulated light are sequentially emitted.
2. a kind of light source, which is characterized in that the light source applications are in projection field, comprising:
Blue laser light source, for generating blue laser；
Green light transition material, for generating green stimulated light under the action of the blue laser；
Yellow light transition material, for generating yellow stimulated light under the action of the blue laser；
Feux rouges optical filter, for the yellow stimulated light to be filtered into red stimulated light, wherein the blue laser, the green
Stimulated light and the red stimulated light are sequentially emitted.
3. light source according to claim 1 or 2, which is characterized in that the light source further comprises colour wheel, and the colour wheel is extremely
It is divided into the first colour wheel subregion, the second colour wheel subregion and third colour wheel subregion less, wherein the blue laser is in the colour wheel
The first colour wheel subregion, the second colour wheel subregion and third colour wheel subregion are successively acted in rotation process, wherein described first
Colour wheel subregion is arranged to be emitted the blue laser, and the green light transition material is set to the second colour wheel subregion, the Huang
Light conversion material and the feux rouges optical filter are set to the third colour wheel subregion.
4. light source according to claim 1 or 2, which is characterized in that the blue laser is single dominant wavelength blue laser.
5. light source according to claim 4, which is characterized in that the dominant wavelength of the blue laser is 455nm.
6. light source according to claim 1 or 2, which is characterized in that the blue laser includes more than two different main waves
Long blue laser.
7. light source according to claim 6, which is characterized in that the main wave of described two above different dominant wavelength blue lasers
Long is respectively at least two in 445nm, 455nm and 465nm.
8. light source according to claim 6, which is characterized in that the light source further comprises colour wheel, and the colour wheel is at least
It is divided into the first colour wheel subregion and the second colour wheel subregion, wherein dominant wavelength is most in described two above different dominant wavelength blue lasers
Short blue laser successively acts on the first colour wheel subregion, the second colour wheel subregion in the rotation process of the colour wheel,
Described in green light transition material be set to the first colour wheel subregion, the yellow light transition material and feux rouges optical filter setting
In the second colour wheel subregion；
Other blue lasers, warp in described two above different dominant wavelength blue lasers in addition to the shortest blue laser of dominant wavelength
The green stimulated light that is emitted after the first colour wheel subregion, the red stimulated light being emitted after the second colour wheel subregion are sequentially
Outgoing.
9. light source according to claim 1 or 2, which is characterized in that the light source further comprises blue light LED light source, institute
Blue light LED light source is stated for providing blue supplementary light.
10. light source according to claim 1 or 2, which is characterized in that the light source further comprises red laser light source,
For providing red supplement light.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710644830.1A CN109539188A (en) | 2017-07-31 | 2017-07-31 | A kind of light source |
| PCT/CN2017/114720 WO2019024362A1 (en) | 2017-07-31 | 2017-12-06 | Light source |
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| CN201710644830.1A CN109539188A (en) | 2017-07-31 | 2017-07-31 | A kind of light source |
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Cited By (1)
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| CN112118430A (en) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | Laser projection device |
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| WO2021219442A1 (en) * | 2020-04-30 | 2021-11-04 | Signify Holding B.V. | High intensity light source with high cri for low ctt using green laser pumped phosphor |
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| WO2019024362A1 (en) | 2019-02-07 |
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