CN108803218A - Lighting system - Google Patents
Lighting system Download PDFInfo
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- CN108803218A CN108803218A CN201710463137.4A CN201710463137A CN108803218A CN 108803218 A CN108803218 A CN 108803218A CN 201710463137 A CN201710463137 A CN 201710463137A CN 108803218 A CN108803218 A CN 108803218A
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- Prior art keywords
- light
- light beam
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- spectrum
- lighting system
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Links
- 239000000843 powder Substances 0.000 claims abstract description 78
- 238000001228 spectrum Methods 0.000 claims abstract description 59
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 66
- KPHWPUGNDIVLNH-UHFFFAOYSA-M diclofenac sodium Chemical compound [Na+].[O-]C(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl KPHWPUGNDIVLNH-UHFFFAOYSA-M 0.000 claims 3
- 230000003287 optical effect Effects 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 9
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- 238000005286 illumination Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241001025261 Neoraja caerulea Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
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Classifications
-
- 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
- G03B21/2013—Plural light sources
-
- 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
Abstract
The invention provides a lighting system which comprises a first light source capable of outputting first light, a second light source capable of outputting second light, a third light source capable of outputting third light, a fourth light source capable of outputting fourth light, a first fluorescent powder layer, a first light guide piece and a second light guide piece. The first light guide member is arranged between the light paths of the first light source and the second light source. The first light reaches the first fluorescent powder layer and is converted into fifth light, and the second light reaches the first fluorescent powder layer through the first light guide piece and is converted into sixth light. The fifth light and the sixth light have spectra, and peak wavelengths of the spectra of the fifth light and the sixth light are between 625 nm and 740 nm, respectively.
Description
Technical field
The present invention relates to a kind of lighting system more particularly to a kind of lighting systems suitable for projector.
Background technology
With the development of solid state light emitter and shadow casting technique in recent years, with light emitting diode (light-emitting diode,
LED) and the projection arrangement based on the solid state light emitters such as laser diode (laser diode) is gradually favored by market.
In general projector configuration, it will usually which lighting system is set to provide illuminating ray.Illuminating ray passes through light
Image light is converted to after valve, and image light after projection lens by that can be incident upon on screen or metope.Projector exports
Image light brightness depend on the provided illuminating ray of lighting system brightness.In the lighting system of general projector,
One exportable blue light of blue light source generates feux rouges with excitated red fluorescent powder, and the exportable blue light of another blue light source is to swash
Fluoresced green powder generates green light.In addition, above-mentioned feux rouges, green light and another be collectively formed by the blue light that blue light source is exported
The three primary colors (RGB) for the illuminating ray that lighting system is exported.In existing projector configuration, it usually can also additionally be arranged one
A blue light source is swashed with providing blue light to above-mentioned green emitting phosphor by other light paths to reinforce green emitting phosphor
The intensity of the green light of hair uses the brightness for increasing lighting system output light.
Invention content
The present invention provides a kind of lighting system, and the light of output has higher brightness, and the configuration of its component is compact
(compact)。
The lighting system of the embodiment of the present invention includes first light source, second light source, third light source, the 4th light source, first glimmering
Light bisque, the first light guide and the second light guide.Exportable first light of first light source, exportable second light of second light source,
The exportable third light of third light source, and exportable 4th light of the 4th light source.First light guide is set to first light source and
Between the light path of two light sources.First light reaches the first phosphor powder layer and is converted to the 5th light, and the second light is via first
Light guide reaches the first phosphor powder layer, and is converted to the 6th light.5th light and the 6th light are respectively provided with spectrum, and the 5th
The peak wavelength of these spectrum of light and the 6th light is respectively interposed between 625 nanometers to 740 nanometers.
The lighting system of the embodiment of the present invention includes the first light-emitting component, the second light-emitting component, third light-emitting component, the 4th
Light-emitting component, the 5th light-emitting component, the first phosphor powder layer, the second phosphor powder layer, the first closing light part and the second closing light part.First hair
Exportable first light beam of optical element, exportable second light beam of the second light-emitting component, the exportable third light beam of third light-emitting component, the
Exportable 4th light beam of four light-emitting components, and exportable 5th light beam of the 5th light-emitting component.First phosphor powder layer is set to first
Between the light path of light-emitting component and the second light-emitting component, and the second phosphor powder layer is set to third light-emitting component and the 4th luminous member
Between the light path of part.First closing light part is set between the light path of the first light-emitting component and the second light-emitting component, and the second closing light
Part is set between the light path of third light-emitting component and the 4th light-emitting component.First light beam enters the first phosphor powder layer and excites the
Six light beams;Second light beam enters the first phosphor powder layer via the first closing light part and excites the 7th light beam;Third light beam enters second
Phosphor powder layer simultaneously excites the 8th light beam;4th light beam enters the second phosphor powder layer via the second closing light part and excites the 9th light beam;
5th light beam, the 6th light beam, the 7th light beam, the 8th light beam and the 9th light beam export lighting system via the second closing light part;6th
Light beam and the 7th light beam are respectively provided with spectrum, and the difference of the peak wavelength of the spectrum of the 6th light beam and the 7th light beam is received less than 20
Rice.8th light beam and the 9th light beam are respectively provided with spectrum, and the difference of the peak wavelength of the spectrum of the 8th light beam and the 9th light beam
Less than 20 nanometers.
Based on above-mentioned, in the lighting system of related embodiment of the present invention, by the peak value of lighting system institute output spectrum
Light of the wavelength between 625 nanometers to 740 nanometers increases.When lighting system is, for example, to be applied to projection arrangement, projection
The light that device is exported has higher brightness.In addition, in the lighting system of the related embodiment of the present invention, due to setting
Additional two groups of light sources the output of light source are arranged with reinforcement original respectively, therefore the inner space of lighting system is appropriate with excitated fluorescent powder
It is kind to be exported the light for reinforcing lighting system in a manner of light source is arranged by increase so that the component configuration of lighting system is tight
It gathers, wasted space is reduced.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is detailed to coordinate attached drawing to make
Carefully it is described as follows.
Description of the drawings
Fig. 1 shows the framework signal of the lighting system of one embodiment of the invention and the projection arrangement using this lighting system
Figure;
Fig. 2 shows the framework signal of the lighting system of another embodiment of the present invention and the projection arrangement using this lighting system
Figure.
Reference sign:
100,300:Lighting system
200,400:Projection arrangement
210,410:Light valve
220,420:Projection lens
B1,B2,B3,B4,B5,B6,B7,B8,B9:Light beam
C1,C2:Closing light part
E1,E2,E3,E4,E5:Light-emitting component
G1,G2:Light guide
IM:Projection ray
L1,L2,L3,L4,L5,L6,L7,L8,L9:Light
P1,P2,P1',P2':Phosphor powder layer
S1,S2,S3,S4,S5:Light source
Specific implementation mode
The so-called optical element of the present invention means that there is element the material that can be reflected or penetrate partially or in whole to be constituted, leads to
Include often that glass or plastic cement are formed.The so-called lens of the present invention, mean that a permission at least part light penetrates, and incidence surface or go out
The non-optical element for plane of minimum of one of smooth surface, such as plate glass, i.e., non-is lens.The so-called closing light of the present invention, meaning can
By more than one light beam, synthesis one light beam output.The so-called light splitting of the present invention, meaning it is defeated can be divided into several light beams by a light beam
Go out.
Fig. 1 shows the framework signal of the lighting system of one embodiment of the invention and the projection arrangement using this lighting system
Figure, please refers to Fig.1.In the present embodiment, projection arrangement 200 includes lighting system 100, light valve 210 and projection lens 220.According to
Bright system 100 includes light source S1, light source S2, light source S3, light source S4, light source S5, phosphor powder layer P1, phosphor powder layer P2, light guide
G1 and light guide G2.
The design of each element will be illustrated respectively below.In the present embodiment, the exportable light L1 of light source S1, light source
S2 exportable light L2, light source the S3 exportable light L4 of exportable light L3, light source S4, and the exportable light L8 of light source S5.Light
Source S1, light source S2, light source S3, light source S4 and light source S5 respectively include e.g. sending out the laser diode of various visible lights
(laser diode, LD) chip, light emitting diode (light-emitting diode, LED) chip or aforementioned each encapsulation
Either one or two of body.In the present embodiment, light source S1, light source S2, light source S3, light source S4 and light source S5 include a blue light emitting two
Pole pipe chip, and light L1, light L2, light L3, light L4 and light L8 color be essentially blue.Light L1, light
L2, light L3, light L4 and light L8 are respectively provided with a spectrum.Spectrum refers to that light is sequentially arranged shape according to the wavelength size of light
At pattern.Specifically, the peak wavelength of these spectrum of light L1, light L2, light L3, light L4 and light L8
(peak wavelength) is respectively interposed between 400 nanometers to 475 nanometers, wherein the peak wavelength of the spectrum of light is light intensity
Spend the corresponding wavelength of maximum.More particularly, light L1, light L2, light L3, light L4 and light L8 are in a spectral energy
It is respectively provided with a corresponding spectral energy distribution curve (spectral energy distribution in distribution collection of illustrative plates
Curve), and the wave crest system of this distribution curve falls among the range of wavelengths of blue (be, for example, 450 nanometers to 475 nanometers).And
Other than luminescence chip itself, light source S1, light source S2, light source S3, light source S4 and light source S5 are also optionally respectively equipped with one
Lens (not indicating) with diopter, to the diverging direction of convergent light rays.And in this example, it is not another above each light source
Equipped with lens above-mentioned.
In addition, the present invention meaning phosphor powder layer P1, P2 are meant including at least the optical element containing fluorescent powder that has one.It is brighter
True says, phosphor powder layer P1, P2 are a light transmission colloid for being impregnated with fluorescent powder;Fluorescent wheel;Flourescent sheet or other include fluorescent powder
And the optical element with wavelength convert function.In the present embodiment, phosphor powder layer P1 is set in the light path of light source S1, also
That is, phosphor powder layer P1 is set in the transmission path of light L1.Phosphor powder layer P2 is set in the light path of light source S3, also that is, glimmering
Light bisque P2 is set in the transmission path of light L3.Phosphor powder layer P1 and phosphor powder layer P2 can receive excitation line, and by
Conversion light is generated by luminescence generated by light (Photoluminescence) phenomenon.Specifically, phosphor powder layer P1 can for example connect
By light L1 blue light and generate light L5, the blue light of light L2 can also be received and generate light L6.Light L5 and light L6
Be respectively provided with a spectrum, and the peak wavelength of these spectrum of light L5 and light L6 be respectively interposed in 625 nanometers to 740 nanometers it
Between.And in this example, light source S2 can be exchanged with the position of light source S1.More particularly, light L5 and light L6 are one
A corresponding spectral energy distribution curve is respectively provided in spectral power distribution collection of illustrative plates, and the wave crest system of this distribution curve falls
Among the range of wavelengths of red (being, for example, 625 nanometers to 740 nanometers).In addition, phosphor powder layer P2 can for example receive light L3
Blue light and generate light L7, the blue light of light L8 can also be received and generate light L9.Light L7 and light L9 are respectively provided with
One spectrum, and the peak wavelength of these spectrum of light L7 and light L9 is between 495 nanometers to 570 nanometers.It is more specific
It saying, light L7 and light L9 are respectively provided with a corresponding spectral energy distribution curve in a spectral power distribution collection of illustrative plates, and
The wave crest system of this distribution curve falls among the range of wavelengths of green (being, for example, 495 nanometers to 570 nanometers).
Furthermore light guide G1 and light guide G2 of the invention mean light splitting piece, polarizing film, optical filter, speculum, lens,
Plate glass, prism, integration rod, lamp guide or including aforementioned each at least one combination.Specifically, light splitting piece system is general
Referring to has the optical element of light splitting function, such as half-reflecting half mirror, using the polarizing film of P, S polarity light splitting, various wave plates, using entering
The various prisms of optic angle light splitting utilize the light splitting piece etc. of wavelength light splitting.Specifically, in the present embodiment, light guide G1 and
Light guide G2 has wavelength selectivity, for the color separation film being divided using wavelength (color), e.g. dichroscope
(dichroic mirror,DM).In a related embodiment, light guide G1 and light guide G2 can be to be independently arranged, and have color separation
The optical element of function, or plating is attached to dichroic coating or coating on other components, and the present invention is not limited thereto.And
In this example, light guide G1 can allow blue ray to reflect, allow red light to penetrate and green light is allowed to reflect.And light guide G2 can
It allows blue ray to reflect and the light of other colors is allowed to penetrate.
In the present embodiment, light guide G1 is set between the light path of light source S1 and light source S2 and light source S3 and light source S5
Light path between.Specifically, light guide G1 is set in the transmission path by the light source S2 light L2 sent out, and by light source S5
In the transmission path of the light L8 sent out.In addition, light guide G2 is set between the light path of light source S1 and light source S2, i.e. light guide
G2 is set in the transmission path by the light source S2 light L2 sent out.Specifically, light guide G1 can reflection blue light simultaneously
Green light is allowed to pass through.And light guide G2 reflection blue light and can allow green and red light to pass through.In the present embodiment,
Light L4, light L5, light L6, light L7 and light L9 are formed and are illuminated via light guide G2 output lighting systems 100 respectively
Light.
Specifically, lighting system 100 can further include light equalization element, be set to the transmission path of above-mentioned illuminating ray
On, to make the uniform intensity distribution of illuminating ray.Specifically, light equalization element can be fly's-eye lens (Fly-eye
Lens) or the optical elements such as optical integration pillar (light integration rod), the present invention is not limited thereto.In addition, according to
Bright system 100 can also further include other optical elements according to actual demand, e.g. lens, diffusion sheet (diffuser),
Speculum or prism etc., the present invention is not limited thereto.
The light valve 210 of the present invention, the separate unit containing there are many, they are spatially arranged in one-dimensional or two-dimensional array.Often
A unit all can independently receive the control of optical signalling or electrical signal, using various physical effects (bubble Ke Ersi effects, gram
Your effect, acoustooptical effect, magneto-optic effect, the Self Electro-optic Effect of semiconductor, photorefractive effect etc.) change the optical characteristics of itself,
To which the illumination light to illumination in a plurality of separate units is modulated, and export image light.Separate unit is miniature anti-
Penetrate the optical elements such as mirror, liquid crystal cells.Specifically, light valve 210 of the invention is digital micromirror element (digital micro-
Mirror device, DMD), silica-based liquid crystal panel (liquid-crystal-on-silicon panel, LCOS panel) or
It is penetration liquid crystal display panel.And in this example, light valve is digital micromirror element, however, in other embodiments, light valve 210 is also
Can be penetration liquid crystal display panel or other spatial light modulators, the present invention is not limited thereto.And light valve 210 and lighting system
It may include the optical element (not shown) for having e.g. total reflection prism or reversed total reflection prism between 100.
In addition, projection lens 220 is made of at least one piece of lens.220 inside of projection lens can be equipped with aperture light
Column or optical path, and the front and back of aperture diaphragm is arranged with an at least lens to adjust the shape and aberration of image light.
Illustrate to following exemplary the arrangement of each element of projection arrangement 200 and the transmission process of light.In the present embodiment
In, the light L1 of light source S1 output blues, and the light L1 of blue reaches phosphor powder layer P1 and is converted to red light L5.Light
The light L2 of source S2 output blues reaches phosphor powder layer P1 via light guide G1, and is converted to red light L6.In detail and
Speech, light L2 are transferred to phosphor powder layer P1 after sequentially being reflected on light guide G2 and light guide G1.Light guide G2 relative to
Light source S2 is inclined so that light L2 is, for example, 45 degree of angles to the optic angle that enters of light guide G2.And light guide G2 and light guide G1
Also substantially parallel.Specifically, after red light L5 and light L6 leave phosphor powder layer P1, red light L5 and light
Line L6 occurs to reflect on light guide G1 and passes through light guide G2.In addition, the light L3 of light source S3 output blues, and light L3 is arrived
Up to phosphor powder layer P2 and be converted to green light L7.The light L8 of light source S5 output blues, and light L8 is via light guide G1
Phosphor powder layer P2 is reached, and is converted to the light L9 of green.Specifically, blue light L8 reflects on light guide G1
After be transferred to phosphor powder layer P2.Light guide G1 is inclined relative to light source S5 so that light L8 enters optic angle to light guide G1's
For example, 45 degree of angles.Specifically, after the light L7 and light L9 of green leave phosphor powder layer P2, light L7 and light L9 according to
Sequence passes through light guide G1 and light guide G2.In addition, the light L4 of light source S4 output blues, and light L4 occurs on light guide G2
Reflection.
In the present embodiment, the above-mentioned light L4 reflected on light guide G2 and by the light L5 of light guide G2,
Light L6, light L7 and light L9 are merged into illuminating ray and are exported from lighting system 100.Specifically, light L4
Color is, for example, the color e.g. red of blue, light L5 and light L6, and the color of light L7 and light L9 are e.g. green
Color.Therefore, light L4, light L5, light L6, light L7 and light L9 can provide the three primary colors (RGB) of illuminating ray.At this
In embodiment, above-mentioned illuminating ray is transmitted to light valve 210, and light valve 210 by illuminating ray being converted to projection ray IM.Separately
Outside, projection lens 220 to by projection ray IM project on an imaging plane or screen (not shown) to form image picture
Face.
Aforementioned alleged red light, mean the peak wavelength of the spectrum of light be respectively interposed in 625 nanometers to 740 nanometers it
Between.Therefore, light (feux rouges) of the peak wavelength of 100 output spectrums of lighting system between 625 nanometers to 740 nanometers increases
Add so that the light that projection arrangement 200 is exported has higher brightness.In addition, in the present embodiment, lighting system 100 is set
It sets light source S1 and light source S2 and carrys out excitated fluorescent powder layer P1 to provide light L1 and light L2 respectively, and light is arranged in lighting system 100
Source S3 and light source S5 carrys out excitated fluorescent powder layer P2 to provide light L3 and light L8 respectively.In other words, volume is arranged in lighting system 100
The output of light source is arranged with reinforcement original respectively with excitated fluorescent powder for outer two groups of light sources.Therefore, the inner space of lighting system 100
It is properly exported the light for reinforcing lighting system 100 in a manner of light source is arranged by increase so that the structure of lighting system 100
Part configuration is compact, and wasted space is reduced.
With continued reference to FIG. 1, illustrating the associated components of the present embodiment with another describing mode below.In the present embodiment,
Including light-emitting element E 1, light-emitting element E 2, light-emitting element E 3, light-emitting element E 5, light-emitting element E 4, phosphor powder layer P1 ', fluorescent powder
Layer P2 ', closing light part C1, closing light part C2.
The light-emitting component of the present invention, means an optical element that can generate light.More particularly, light-emitting component means hair
Luminous diode chip, laser diode chip, the module made of aforementioned chip package or other can reach identical effect
Element or combinations thereof.
The closing light part C1 and closing light part C2 of the present invention means the optical element with closing light function.Specifically, closing light part
C1 and closing light part C2 mean light splitting piece, polarizing film, optical filter, speculum, lens, plate glass, prism, integration rod, lamp guide
Or including aforementioned each at least one combination.Light splitting piece system refers to, and such as half-reflecting half mirror, utilizes the inclined of P, S polarity light splitting
Shake piece, various wave plates, utilize the various prisms for entering optic angle light splitting, the light splitting piece etc. that is divided using wavelength.Specifically, at this
In embodiment, closing light part C1 and closing light part C2 have wavelength selectivity, for the color separation film being divided using wavelength (color), example
Dichroscope (dichroic mirror, DM) in this way.In a related embodiment, closing light part C1 and closing light part C2 can be independent
Setting, or plating is attached to dichroic coating or coating on other components, and the present invention is not limited thereto.And light beam B1, light
Beam B2, light beam B3, light beam B4, light beam B5, light beam B6, light beam B7, light beam B8 and light beam B9 are similar with the explanation of precedent, therefore not
Repeat it.
Fig. 2 shows the framework signal of the lighting system of another embodiment of the present invention and the projection arrangement using this lighting system
Figure.Referring to FIG. 2, in the present embodiment, lighting system 300 and projection arrangement 400 are similar to the lighting system of Fig. 1 embodiments
100 and projection arrangement 200, difference is as described below.In the present embodiment, projection arrangement 400 includes lighting system 300, light valve
410 and projection lens 420.Lighting system 300 include light-emitting element E 1, light-emitting element E 2, light-emitting element E 3, light-emitting element E 4,
Light-emitting element E 5, phosphor powder layer P1 ', phosphor powder layer P2 ', closing light part C1 and closing light part C2.
The design of each element will be illustrated respectively below.In the present embodiment, 1 exportable light beam B1 of light-emitting element E,
2 exportable light beam B2 of light-emitting element E, 3 exportable light beam B3 of light-emitting element E, 4 exportable light beam B4 of light-emitting element E, and the member that shines
The exportable light beam B5 of part E5.In the present embodiment, light-emitting element E 1, light-emitting element E 2, light-emitting element E 3, light-emitting element E 4 and hair
Optical element E5 for example includes a blue LED chip, and light beam B1, light beam B2, light beam B3, light beam B4 and light beam B5
Color be for example essentially blue.Light beam B1, light beam B2, light beam B3, light beam B4 and light beam B5 are respectively provided with a spectrum, and light
The peak wavelength of these spectrum of beam B1, light beam B2, light beam B3, light beam B4 and light beam B5 is respectively interposed in 400 nanometers to 475 nanometers
Between.In addition, in the present embodiment, light beam B1, light beam B2, light beam B3, light beam B4 and light beam B5 make flowing mode and Fig. 1 is implemented
Example light L1, light L2, light L3, light L4 and light L8 it is similar, details are not described herein.
In addition, in the present embodiment, phosphor powder layer P1 ' is set between the light path of light-emitting element E 1 and light-emitting element E 2,
And phosphor powder layer P2 ' is set between the light path of light-emitting element E 3 and light-emitting element E 4.Phosphor powder layer P1 ' can for example receive light
The blue light of beam B1 simultaneously generates light beam B6, can also receive the blue light of light beam B2 and generates light beam B7.Light beam B6 and light beam B7 difference
Peak wavelength with a spectrum, and these spectrum of light beam B6 and light beam B7 is respectively interposed between 495 nanometers to 570 nanometers.
In addition, the difference of the peak wavelength of the spectrum of light beam B6 and light beam B7 is, for example, to be less than 20 nanometers.Specifically, light beam B6 and light
The color of beam B7 is, for example, green.In the present embodiment, the light L7 for making flowing mode and Fig. 1 embodiments of light beam B6 and light beam B7
And light L9 is similar, details are not described herein.In addition, phosphor powder layer P2 ' can for example receive the blue light of light beam B3 and generate light beam
B8 can also receive the blue light of light beam B4 and generate light beam B9.Light beam B8 and light beam B9 is respectively provided with a spectrum, and light beam B8 and
The peak wavelength of these spectrum of light beam B9 is respectively interposed between 625 nanometers to 740 nanometers.In addition, light beam B8 and light beam B9
The difference of the peak wavelength of spectrum is, for example, to be less than 20 nanometers.Specifically, the color of light beam B8 and light beam B9 are, for example, red.
In the present embodiment, light beam B8 and light beam B9 is similar with the light L5 of Fig. 1 embodiments and light L6, and details are not described herein.
Furthermore in the present embodiment, closing light part C1 is set between the light path of light-emitting element E 1 and light-emitting element E 2, and is closed
Light part C2 is set between the light path of light-emitting element E 3 and light-emitting element E 4.The relativeness and figure of closing light part C1 and closing light part C2
The light guide G1 and light guide G2 of 1 embodiment are similar, and details are not described herein.Closing light part C1 the reflected beams B5 and can make light beam
B6, light beam B7, light beam B8 and light beam B9 pass through.Closing light part C2 the reflected beams B8 and light beam B9 and can make light beam B5, light beam B6
And light beam B7 passes through.In the present embodiment, light beam B5, light beam B6, light beam B7, light beam B8 and light beam B9 are respectively via closing light part C2
It exports lighting system 100 and forms illuminating ray.
In the present embodiment, the related narration of light valve 410 and projection lens 420 can be respectively with reference to the light of 1 embodiment of figure
The related narration of valve 210 and projection lens 220, details are not described herein.
Illustrate to following exemplary the arrangement of each element of projection arrangement 400 and the transmission process of light.In the present embodiment
In, 1 output beam B1 of light-emitting element E, and light beam B1 enters phosphor powder layer P1 ' and excitation beam B6.2 output light of light-emitting element E
Beam B2, and light beam B2 enters phosphor powder layer P1 ' and excitation beam B7 via closing light part C1.Specifically, light beam B2 is in closing light part
Phosphor powder layer P1 ' is transferred to after being reflected on C1.After light beam B6 and light beam B7 leave phosphor powder layer P1 ', light beam B6 and light
Beam B7 sequentially passes through closing light part C1 and closing light part C2.In addition, 3 output beam B3 of light-emitting element E, and light beam B3 enters phosphor powder layer
P2 ' and excitation beam B8.4 output beam B4 of light-emitting element E, and light beam B4 enters phosphor powder layer P2 ' via closing light part C2 and swashs
Shine beam B9.Specifically, light beam B4 after closing light part C2 by being transferred to phosphor powder layer P2 '.When light beam B8 and light beam B9 leave
After phosphor powder layer P2 ', light beam B8 and light beam B9 reflect on closing light part C2.In addition, 5 output beam B5 of light-emitting element E, and
Light beam B5 reflected on closing light part C1 after by closing light part C2.
In the present embodiment, the above-mentioned light beam B8 reflected on closing light part C2 and light beam B9 and pass through closing light part C2's
Light beam B5, light beam B6 and light beam B7 are merged into illuminating ray and are exported from lighting system 300.Specifically, light beam B5
Color is, for example, the color e.g. green of blue, light beam B6 and light beam L7, and the color of light beam B8 and light beam B9 are e.g. red
Color.Therefore, light beam B5, light beam B6, light beam B7, light beam B8 and light beam B9 can provide the three primary colors of illuminating ray.
Specifically, lighting system 300 and projection arrangement 400 can at least be obtained similar to illumination system in Fig. 1 embodiments
The technique effect of system 100 and projection arrangement 200.The light that projection arrangement 400 is exported has higher brightness.In addition, illumination
The inner space of system 300 is properly exported the light for reinforcing lighting system 300 in a manner of light source is arranged by increase, is made
The component configuration for obtaining lighting system 300 is compact, and wasted space is reduced.
With continued reference to FIG. 2, illustrating the associated components of the present embodiment with second of describing mode below.In the present embodiment
In, include light source S3, light source S5, light source S1, light source S2, light source S4, phosphor powder layer P2, phosphor powder layer P1, light guide G2, leads
Light part G1.In addition, for traveling mode, light beam B1 is similar with light L3, and light beam B2 is similar with light L8, light beam B3 and light
L1 is similar, and light beam B4 is similar with light L2, and light beam B5 is similar with light L4, and light beam B6 is similar with light L7, light beam B7 and light
L9 is similar, and light beam B8 is similar with light L5, and light beam B9 is similar with light L6.
In the present embodiment, with component described in second of describing mode (such as light source S1, light source S2, light source S3, light
Source S4, light source S5, phosphor powder layer P1, phosphor powder layer P2, light guide G1, light guide G2, light L1, light L2, light L3, light
L4, light L5, light L6, light L7, light L8 and light L9) related narration can at least refer in aforementioned paragraphs about figure
The explanation of 2 embodiments, details are not described herein.
In conclusion the present invention related embodiment in, by lighting system institute output spectrum peak wavelength between
Light between 625 nanometers to 740 nanometers increases.When lighting system is, for example, to be applied to projection arrangement, projection arrangement institute is defeated
The light gone out has higher brightness.In addition, in the lighting system of the related embodiment of the present invention, due to being arranged additional two groups
The output of light source is arranged with reinforcement original respectively with excitated fluorescent powder in light source, thus the inner space of lighting system properly with
Reinforce the light output of lighting system in such a way that light source is arranged in increase so that the component of lighting system configures compact, nothing
It is reduced with space.
Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, any technical field
Middle technical staff, without departing from the spirit and scope of the present invention, when can make a little change with retouching, therefore the present invention protection
Subject to range ought be defined depending on appended claims.
Claims (10)
1. a kind of lighting system, which is characterized in that including:
First light source, exportable first light;
Second light source, exportable second light;
Third light source, exportable third light _;
4th light source, exportable 4th light;
First light guide is set between the light path of the second light source and the third light source;And
Second light guide is set between the light path of the third light source and the 4th light source;
First phosphor powder layer is set between the second light source and the light path of first light guide, first phosphor powder layer
First light can be converted to the 5th light, second light can be converted to the 6th light, institute by first phosphor powder layer
It states the 5th light and the 6th light is respectively provided with spectrum, and the multiple light of the 5th light and the 6th light
The peak wavelength of spectrum is respectively interposed between 625 nanometers to 740 nanometers;
Wherein, the third light, the 4th light, the 5th light and the 6th light are defeated via second light guide
Go out the lighting system.
2. lighting system according to claim 1, which is characterized in that first light, second light, described
Three light and the 4th light are respectively provided with spectrum, and first light, second light, the third light and institute
The peak wavelength for stating the multiple spectrum of the 4th light is respectively interposed between 400 nanometers to 475 nanometers.
3. lighting system according to claim 1, which is characterized in that the lighting system further includes the second phosphor powder layer,
It is set in the light path of the third light source, the third light can be converted to the 7th light, institute by second phosphor powder layer
State the 7th light have spectrum, and the peak wavelength of the spectrum of the 7th light between 495 nanometers to 570 nanometers it
Between.
4. lighting system according to claim 2, which is characterized in that the lighting system further includes the 5th light source, can be defeated
Go out the 8th light, the 8th light has spectrum, and the peak wavelength of the spectrum of the 8th light is between 400 nanometers
To between 475 nanometers, second phosphor powder layer is set between the light path of the third light source and the 5th light source, described
8th light can be converted to the 9th light by the second phosphor powder layer, and the 9th light has spectrum, and the 9th light
For the peak wavelength of the spectrum of line between 495 nanometers to 570 nanometers, first light guide can make the 9th light
Pass through, second light guide can be such that the 9th light passes through, wherein the 9th light is defeated via second light guide
Go out the lighting system.
5. lighting system according to claim 1, which is characterized in that first light, second light, described
Three light and the 4th light are respectively provided with spectrum, and first light, second light, the third light and institute
The peak wavelength for stating the multiple spectrum of the 4th light is respectively interposed between 400 nanometers to 475 nanometers, and the lighting system is also
Including the second phosphor powder layer, it is set in the light path of the third light source, the third light reaches second phosphor powder layer,
And be converted to the 7th light, the 7th light have spectrum, and the peak wavelength of the spectrum of the 7th light between
Between 495 nanometers to 570 nanometers, first light guide and second light guide are dichronic mirror respectively, and described first is guide-lighting
Part can reflect the 5th light and the 6th light and the 4th light and the 7th light can be made to pass through, and described
Two light guides can reflect the 4th light and the 5th light, the 6th light and the 7th light can be made to pass through,
Wherein described 4th light, the 5th light, the 6th light and the 7th light are guide-lighting via described first respectively
Part exports the lighting system.
6. a kind of lighting system, which is characterized in that including:
First light-emitting component, exportable first light beam;
Second light-emitting component, exportable second light beam;
Third light-emitting component, exportable third light beam;
4th light-emitting component, exportable 4th light beam;
5th light-emitting component, exportable 5th light beam;
First phosphor powder layer is set between the light path of first light-emitting component and second light-emitting component;
Second phosphor powder layer is set between the light path of the third light-emitting component and the 4th light-emitting component;
First closing light part is set between the light path of first light-emitting component and second light-emitting component;
Second closing light part is set between the light path of the third light-emitting component and the 4th light-emitting component;
Wherein, first light beam enters first phosphor powder layer and excites the 6th light beam, and second light beam is via described
First closing light part enters first phosphor powder layer and excites the 7th light beam;The third light beam enters second phosphor powder layer
And excite the 8th light beam;4th light beam enters second phosphor powder layer via the second closing light part and excites the 9th light
Beam;5th light beam, the 6th light beam, the 7th light beam, the 8th light beam and the 9th light beam are via described
Second closing light part exports the lighting system;6th light beam and the 7th light beam are respectively provided with spectrum, and the described 6th
The difference of the peak wavelength of the spectrum of light beam and the 7th light beam is less than 20 nanometers, the 8th light beam and the 9th light beam
It is respectively provided with spectrum, and the difference of the peak wavelength of the spectrum of the 8th light beam and the 9th light beam is less than 20 nanometers.
7. lighting system according to claim 6, which is characterized in that first light beam, second light beam, described
Three light beams, the 4th light beam, the 5th light beam, the 6th light beam, the 7th light beam, the 8th light beam and described
9th light beam is respectively provided with spectrum, first light beam, second light beam, the third light beam, the 4th light beam and institute
The peak wavelength for stating the multiple spectrum of the 5th light beam is respectively interposed between 450 nanometers to 475 nanometers, the 6th light beam and
The peak wavelength of the multiple spectrum of 7th light beam is respectively interposed between 625 nanometers to 740 nanometers, and the 8th light
The peak wavelength of the multiple spectrum of beam and the 9th light beam is respectively interposed between 495 nanometers to 570 nanometers, and described first
Closing light part and the second closing light part respectively include dichronic mirror, and the first closing light part can reflect the 5th light beam and can make institute
It states the 6th light beam, the 7th light beam, the 8th light beam and the 9th light beam to pass through, and the second closing light part can reflect
5th light beam, the 6th light beam and the 7th light beam simultaneously can be such that the 8th light beam and the 9th light beam passes through.
8. lighting system according to claim 6, which is characterized in that first light beam, second light beam, described
Three light beams, the 4th light beam, the 5th light beam, the 6th light beam, the 7th light beam, the 8th light beam and described
9th light beam is respectively provided with spectrum, first light beam, second light beam, the third light beam, the 4th light beam and institute
The peak wavelength for stating the multiple spectrum of the 5th light beam is respectively interposed between 450 nanometers to 475 nanometers, the 6th light beam and
The peak wavelength of the multiple spectrum of 7th light beam is respectively interposed between 495 nanometers to 570 nanometers, and the 8th light
The peak wavelength of the multiple spectrum of beam and the 9th light beam is respectively interposed between 625 nanometers to 740 nanometers, and described first
Closing light part and the second closing light part respectively include dichronic mirror, and the first closing light part can reflect the 5th light beam and can make institute
It states the 6th light beam, the 7th light beam, the 8th light beam and the 9th light beam to pass through, and the second closing light part can reflect
8th light beam and the 9th light beam simultaneously can be such that the 5th light beam, the 6th light beam and the 7th light beam passes through.
9. lighting system according to claim 6, which is characterized in that first light beam, second light beam, described
Three light beams, the 4th light beam and the 5th light beam are respectively provided with spectrum, and first light beam, second light beam, institute
The peak wavelength for stating the multiple spectrum of third light beam, the 4th light beam and the 5th light beam is respectively interposed in 450 nanometers
To between 475 nanometers.
10. lighting system according to claim 6, which is characterized in that the 6th light beam, the 7th light beam, described
8th light beam and the 9th light beam are respectively provided with spectrum, the multiple spectrum of the 6th light beam and the 7th light beam
Peak wavelength is respectively fallen in first wavelength range, and the peak of the multiple spectrum of the 8th light beam and the 9th light beam
Value wavelength is respectively fallen within the scope of second wave length, wherein wherein the one of the first wavelength range and the second wave length range
A is 625 nanometers to 740 nanometers of range, and the other in which of the first wavelength range and the second wave length range
For 495 nanometers to 570 nanometers of range.
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CN113253555A (en) * | 2020-02-11 | 2021-08-13 | 扬明光学股份有限公司 | Illumination system and method for manufacturing the same |
CN114296308A (en) * | 2020-10-08 | 2022-04-08 | 扬明光学股份有限公司 | Lighting system and manufacturing method thereof |
Families Citing this family (2)
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CN111694208B (en) | 2019-03-14 | 2022-02-22 | 中强光电股份有限公司 | Projection device |
CN213023918U (en) | 2020-10-26 | 2021-04-20 | 中强光电股份有限公司 | Illumination system and projection apparatus |
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Also Published As
Publication number | Publication date |
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CN108803218B (en) | 2021-06-25 |
TWI731073B (en) | 2021-06-21 |
TW201839494A (en) | 2018-11-01 |
CN113296341A (en) | 2021-08-24 |
CN113296341B (en) | 2022-05-03 |
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