CN108692196A - A kind of fluorescent moieties and light-source system - Google Patents
A kind of fluorescent moieties and light-source system Download PDFInfo
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- CN108692196A CN108692196A CN201710218228.1A CN201710218228A CN108692196A CN 108692196 A CN108692196 A CN 108692196A CN 201710218228 A CN201710218228 A CN 201710218228A CN 108692196 A CN108692196 A CN 108692196A
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Classifications
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- 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
- F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S15/00—Non-electric lighting devices or systems employing light sources not covered by main groups F21S11/00, F21S13/00 or F21S19/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/105—Outdoor lighting of arenas or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention discloses a kind of fluorescent moieties, including cavity, the reflecting wall being set in the cavity of part, the wavelength conversion layer that is set on the reflecting wall of part, the cavity have light-transmitting opening;There is the wavelength conversion layer preset thickness, exciting light to inject the wavelength conversion layer of the preset thickness so that the exciting light is once completely absorbed in the wavelength conversion layer of the preset thickness and is converted into stimulated light back and forth by the light-transmitting opening.The present invention also provides a kind of light-source systems including above-mentioned fluorescent moieties.Since incident exciting light is fully converted to stimulated light, the optical purity of the stimulated light of outgoing substantially increases, and emitting brightness also improves.
Description
Technical field
The present invention relates to lighting technical field more particularly to a kind of fluorescent moieties and light-source system.
Background technology
Existing to generate stimulated light as in the light-source system of light source using LASER Excited Fluorescence material, lasing fluorescence element is sent out
The light gone out reaches fluorescent material through optical element (such as optics, beam shaping device), is shone after fluorescent material is converted
Mingguang City.However the transformation efficiency that existing light-source system converts exciting light to stimulated light is very low.
To solve the above-mentioned problems, start using fluorescent powder to be placed in cavity, using the fluorescence in laser excitation cavity,
Exciting light is generated, to obtain the emergent light of high brightness, still, exciting light in the prior art cannot be fully utilized, and cause
It includes stimulated light to penetrate light and generally include exciting light again, therefore emergent light is impure, and causes finally to go out since phototranstormation efficiency is not high
The brightness for penetrating light is not high.
Invention content
Technical problem to be solved by the present invention lies in a kind of fluorescent moieties of offer and light-source systems, it is desirable to provide high-purity
The emergent light of degree, high brightness.
A kind of fluorescent moieties of the embodiment of the present invention offer and light-source system comprising cavity is set in the cavity of part
Reflecting wall, the wavelength conversion layer that is set on the reflecting wall of part,
The cavity has light-transmitting opening;
There is the wavelength conversion layer preset thickness, exciting light the wavelength of the preset thickness is injected by the light-transmitting opening
Conversion layer so that the exciting light be once completely absorbed back and forth in the wavelength conversion layer of the preset thickness and be converted by
Laser.
Further, the cavity is rectangular, inverted trapezoidal, more prismatic table shapes or reverse frustoconic.
Further, the fluorescent moieties further include optical filter, and the optical filter is placed in the top of the light-transmitting opening and will
The opening sealed set of the cavity.
Further, the light-transmitting opening is additionally operable to be emitted the stimulated light.
Further, the cavity includes light-emitting window, and the light-emitting window is for being emitted the stimulated light.
Further, the reflecting wall is the reflectance coating for the portion inner surface for being pasted onto cavity or is applied directly to cavity
Inner surface or the reflectance coating that is coated with.
Further, the preset thickness of the wavelength conversion layer is the density setting of wavelength basis transition material.
Further, the cavity is disposed on the substrate, and described matrix is using metallic plate, transparent silicon substrate or aluminium nitride
Any material in substrate makes.
Further, the fluorescence cavity further includes light recycling member, and the light recycling member is spherical or paraboloidal.
Further, the light recycling member has opening, and exciting light is out of the opening the incident cavity or is excited
Light is emitted from the opening.
Further, there is the light recycling member plated film area and light-emitting window, exciting light to be excited from plated film area incidence
Light is emitted from the light-emitting window.
The embodiment of the present invention also provides a kind of light-source system, including glimmering described in light source and any of the above-described embodiment
Optical module.
Further, the light source is laser light source.
Compared with prior art, the present invention advantageous effect is:Default thickness is provided on the reflecting wall of the fluorescent moieties
The wavelength conversion layer of degree, incident exciting light can be once attracted to completely back and forth in the wavelength conversion layer of the preset thickness
It is converted into stimulated light, since incident exciting light is fully converted to stimulated light, the optical purity of the stimulated light of outgoing carries significantly
Gao Liao, and emitting brightness also improves.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of fluorescent moieties provided in an embodiment of the present invention;
Fig. 2 be excitating light strength provided in an embodiment of the present invention with the exciting light away from the proportionate relationship at a distance from incidence surface
Curve synoptic diagram;
Fig. 3 is another structural schematic diagram of fluorescent moieties provided in an embodiment of the present invention;
Fig. 4 is another structural schematic diagram of fluorescent moieties provided in an embodiment of the present invention;
Fig. 5 is another structural schematic diagram of fluorescent moieties provided in an embodiment of the present invention;
Fig. 6 is another structural schematic diagram of fluorescent moieties provided in an embodiment of the present invention;
Fig. 7 is the structural schematic diagram of the light-source system provided in an embodiment of the present invention including fluorescent moieties;
Fig. 8 is another structural schematic diagram of the light-source system provided in an embodiment of the present invention including fluorescent moieties;
Fig. 9 is the plated film drift schematic diagram provided in an embodiment of the present invention using laser as exciting light;
Figure 10 is the plated film drift schematic diagram provided in an embodiment of the present invention using LED as exciting light.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of fluorescent moieties and light-source system provided by the invention are intended to utilizing exciting light in current display field
The launching efficiency of wavelength conversion layer is improved, main thought is:The exciting light that light source is sent out is incident in fluorescent moieties
Reflecting wall on preset thickness wavelength conversion layer so that be incident to the exciting light of the wavelength conversion layer and turn in the wavelength
Changing can once be completely absorbed in layer and be converted to stimulated light back and forth.Wherein, the exciting light is back and forth one in wavelength conversion layer
It is secondary to refer to:The exciting light is incident to the opposite face that incidence surface is reached after the incidence surface of wavelength conversion layer, and from described opposite
Face reflects.Preferably, when the exciting light is incident to the incident opposite face for then reaching incidence surface of wavelength conversion layer, and
It is just fully absorbed when reflecting the arrival incidence surface from the opposite face, the thickness of corresponding wavelength conversion layer is at this time
Most preferably.Since the exciting light can once absorb completely back and forth in the wavelength conversion layer, therefore finally outgoing optical purity is high,
And it is converted into stimulated light since exciting light is efficient, it is final to be emitted brightness height.Fluorescent moieties can be received directly
Monochromatic excitation light, and convert monochromatic excitation light to the stimulated light of corresponding color, for illuminating display etc..The fluorescent moieties packet
Include cavity, light-transmitting opening, reflecting wall and wavelength conversion layer.The reflecting wall in the cavity of fluorescent moieties is arranged in the wavelength conversion layer
On.The light-transmitting opening can direct excitation light on the wavelength conversion layer of preset thickness, and wavelength conversion layer is excited generation
Stimulated light guiding outgoing, the stimulated light of outgoing are emitted from the light-emitting window of cavity, and the exciting light turns in the wavelength of preset thickness
It changes once be completely absorbed back and forth in layer and is converted to stimulated light with efficient, to improve the luminance purity and hair of emergent light
Brightness.Wherein, for the light-emitting window for being emitted at least partly stimulated light, it is same that the light-emitting window is set to the light-transmitting opening
One position or different location.Specifically, can be located at the light-transmitting opening, can also be located at other different from the light-transmitting opening
Other any positions at place.
Wherein, light source can be LD (Laser Diode, laser diode) array, LED (Light Emitting
Diode, light emitting diode) array or LD and LED combination array etc..
As shown in Figure 1, for a kind of structural schematic diagram of fluorescent moieties.Fluorescent moieties include cavity 2, light-transmitting opening 21, reflection
Wall 22 and wavelength conversion layer 3.The cavity 2 is placed in the fluorescent moieties.The reflecting wall 22 is located in the cavity 2,
For collecting the exciting light being incident on reflecting wall 22 to be incident to the wavelength conversion layer 3, or by stimulated light reflect with
Collect the stimulated light to be finally emitted.The reflecting wall 22 is set in part cavity 2.Wavelength conversion layer 3 is placed in the bottom of cavity 2
Portion, and be arranged at least partly reflecting wall 22, the wavelength conversion layer 3 is for converting incident light into stimulated light, wavelength basis
The density of conversion layer 3 presets the thickness of the wavelength conversion layer 3 so that the incident light is back and forth one in the wavelength conversion layer 3
It is secondary to be completely absorbed and be converted into stimulated light.Light-transmitting opening 21 is located at one on the cavity 2 of the fluorescent moieties, is different from institute
State the position of wavelength conversion layer 3, the light-transmitting opening 21 be used to exciting light guiding being incident to the wavelength conversion layer 3 with generate by
Laser.In the present embodiment, in order to simplify the structure of the fluorescent moieties, the light-transmitting opening 21 not only incident exciting light be emitted again by
Laser, in other words, the light-transmitting opening 21 are both the light inlet and light-emitting window of the fluorescent moieties.
The thickness of the wavelength conversion layer 3 is H, its thickness can be arranged in thickness H according to the density of the wavelength conversion layer
Degree, for example, when the density of the wavelength conversion layer is larger, thickness can be arranged more relatively thin;When the wavelength conversion layer
Density it is smaller when, thickness can be arranged thicker.The thickness H of the wavelength conversion layer 3, which need to meet, allows exciting light in institute
It states in wavelength conversion layer 3 and once almost absorbs back and forth, and be converted into corresponding stimulated light.
Preferentially, incident exciting light, for example, can be the blue excitation light that blue laser generates, alternatively, can also
For LED light source.The light source of generation exciting light is placed in the top of the light-transmitting opening 21 of fluorescent moieties, to facilitate the exciting light sent out direct
It is incident in cavity 2.Certainly, according to the practical structures of product, the placement location and light source type of light source can also be adjusted, than
Such as, light source can be positioned over to the side of fluorescent moieties, be then incorporated to the exciting light guiding that light source is sent out by optical device
It is incident upon in cavity 2, for another example, changes the direction of propagation of exciting light by speculum so that excitation luminous energy is incident from light-transmitting opening 21
Into cavity 2.
Cavity 2 is any one of rectangular, inverted trapezoidal, more prismatic table shapes, reverse frustoconic structure.In specific application,
The structure of cavity 2 can also be improved.
In conjunction with the above embodiments, fluorescent moieties can also include optical filter (not shown), which is placed in
At optical port 21.The optical filter can not only be filtered the stimulated light being emitted from light-transmitting opening 21, can also be by fluorescent moieties
In light-transmitting opening 21 be sealed setting, make the fluorescent moieties inside formed a closed accommodation space, to prevent ash
The impurity such as dirt, vapor enter the inner space of cavity 2.Alternatively, the optical filter can be angle-selective filer, the angle
Light less than special angle can be emitted by selection optical filter, and the light of other angles is reflected, so that the other angles not being emitted
The light of degree is reused.Angle-selective filer can control the angle of emergent light so that the outgoing of fluorescent moieties is light-operated
System is emitted in direction appropriate and angle.
In specific make, for example, matrix of one piece of preferable material of heat dissipation effect as fluorescent moieties can be chosen
(not shown), the matrix are cuboid, square or prismoid etc., it is preferred that the interposition in a face of the matrix
It sets and is taken, and reserve some edges, that is, the area in face where the area being open is less than the opening, and the edge being open is reserved
There is basic material.The cavity has opening, side wall and bottom, does not have completely to dig two opposite faces of the matrix when taking
Logical, which is the cavity of fluorescent moieties.The bottom surface of the cavity is provided with wavelength conversion layer.In the base of above-mentioned each embodiment
On plinth, the making such as metallic plate, aluminum substrate, transparent silicon substrate, aluminium nitride substrate may be used in described matrix.Base is made in selection
When the material of body, the main material for considering selection perfect heat-dissipating, substrate can by wavelength conversion layer exciting light be converted to by
The heat generated in laser process radiates quickly.
As shown in Fig. 2, illustrating for excitating light strength and curve of the exciting light away from the proportionate relationship at a distance from incidence surface
Figure.In general, the excitating light strength can be with the inversely proportional relationship of distance of the exciting light away from incidence surface, exciting light is in incident process
In constantly absorbed until absorb it is complete, such as curve α and β, in other words, in order to allow exciting light to absorb as far as possible completely,
It can all be realized by the way of the thickness for increasing wavelength conversion layer in industry.And the technical solution of the embodiment of the present invention is logical
It crosses the thickness of wavelength conversion layer is thinning for thickness H (the corresponding distance away from incidence surface of A points in such as figure).When exciting light incidence wave
After the incidence surface of long conversion layer, the excitating light strength is presented with away from the relationship at a distance from incidence surface shown in curve α, can from figure
Find out, after exciting light is from incidence surface incidence, as the distance apart from incidence surface is bigger, the intensity of the exciting light is weaker;When sharp
Shine and reach the opposite face of incidence surface and when being reflected back, the excitating light strength with away from the relationship presentation curve at a distance from incidence surface
Shown in γ, it is seen that after exciting light reflects, as the distance apart from incidence surface is smaller, the exciting light it is strong
Degree is weaker until absorbing completely.
Preferably, when exciting light from it is described opposite and when reflecting the incidence surface for reaching the wavelength conversion layer, it is described
Exciting light is just absorbed completely.The thickness H of corresponding wavelength conversion layer is optimum thickness at this time.Turned by the way that wavelength is rationally arranged
Change layer thickness, on the one hand saved material, luminescent ceramic or fluorescent material 3 it is thinner, material requested is less, reduces into
This, on the other hand so that the volume smaller of fluorescent moieties.
As shown in figure 3, for another structural schematic diagram of fluorescent moieties.Embodiment shown in Fig. 3 is in Fig. 1 embodiments
On the basis of deform and obtain.Likewise, fluorescent moieties include the light extraction of the light inlet 21 and emergent light injection that enter for incident light
Mouth 23, the light inlet 21 and light-emitting window 23 are respectively at different location on reflecting wall 22.In the present embodiment, in order to use
Evenly, the light inlet 21 is set as not opposite with the light-emitting window 23, as shown in the figure for the hot spot brightness for the stimulated light penetrated.
I.e. stimulated light will not be directly emitted from light-emitting window 23 after the outgoing of wavelength conversion layer 3, but is passed through and repeatedly reflected on reflecting wall
It is finally emitted afterwards from light-emitting window 23.
Wavelength conversion layer 3 is placed in the bottom of cavity 2, after the wavelength conversion layer 3 receives exciting light, generates corresponding
Stimulated light.
Reflecting wall 22 is the reflectance coating for the portion inner surface for being pasted onto cavity 2, alternatively, being applied directly to the interior table of cavity 2
Face, or, can be the reflectance coating being coated with.
Wavelength conversion layer 3 may include fluorescent powder, fluorescence ceramics, quantum dot etc..Wherein, fluorescent powder can be yellow fluorescence
Powder, blue colour fluorescent powder, green emitting phosphor, red fluorescence powder etc..For example, the bottom in fluorescent moieties is coated with red fluorescence powder material
Material, when exciting light is incident on red fluorescence powder material, red fluorescence powder material, which is stimulated, generates red stimulated light, red
Stimulated light is emitted after the multiple reflections of reflecting wall from light-emitting window.When exciting light is incident on green fluorescent material, green is glimmering
Light powder material, which is stimulated, generates the stimulated light of green, and green stimulated light goes out after the multiple reflections of reflecting wall from light-emitting window
It penetrates.For another example, wavelength conversion layer can also include be yellow fluorescence powder material, yellow fluorescence powder material receive exciting light simultaneously be excited to produce
Raw yellow stimulated light, wherein yellow stimulated light includes red light and green light.
Fluorescence ceramics can be the fluorescence ceramics of pure phase, can be specifically various oxide ceramics, nitride ceramics or nitrogen
Oxide ceramics forms the centre of luminescence by mixing micro activator element (such as lanthanide series) during ceramic system is standby.
Alternatively, fluorescence ceramics can also be composite ceramics, using transparent/translucent ceramics as matrix, hair is dispersed in ceramic substrate
Light ceramic particle (such as fluorescent powder grain).Transparent/translucent ceramic substrate can be that various oxide ceramics (such as make pottery by aluminium oxide
Porcelain, Y3Al5O12Ceramics), nitride ceramics (such as aluminium nitride ceramics) or nitrogen oxide ceramic, the effect of ceramic substrate be to light
It is conducted with heat so that exciting light can be incident on luminescent ceramic particle, and stimulated light is enable to go out from luminescent ceramic
It penetrates, the fluorescent powder grain in fluorescence ceramics undertakes main lighting function, for absorbing exciting light and being converted into stimulated light.
As shown in figure 4, for another structural schematic diagram of fluorescent moieties of the present invention.Embodiment shown in Fig. 4 is in Fig. 3 realities
It applies to deform on the basis of example and obtain.Unlike Fig. 3, a light recycling member 1 is arranged in the embodiment of Fig. 4 on light-emitting window 23,
The light recycling member 1 at least partly will import the fluorescence inside cavity by exciting light, and will be emitted from the fluorescence cavity
At least partly it is excited light-output.
The light recycling member 1 can be the reflector of trepanning 11, or allow spherical cloche, be laid on cloche
The light reflection of angled choice reflective film, wide-angle returns cavity 2, the light outgoing of low-angle.Preferably, when the light recycling member
1 for spherical reflector or spherical cloche when, light exit 23 is located at the sphere center position of light recycling member 1;In addition, when light recycles
When element 1 is paraboloidal, light-emitting window 23 is preferably located at the focal position of light recycling member 1.Compared to the fluorescence mould in Fig. 3
Block can allow emergent light more to concentrate due to increasing light recycling member.
As shown in figure 5, embodiment shown in fig. 5 is to deform to obtain on the basis of Fig. 4 embodiments.Unlike Fig. 4,
In reflecting wall 22 settings, one light-transmitting opening 21, which is not only the entrance port of exciting light and the outgoing of stimulated light
Mouthful;In addition, when wide-angle stimulated light is incident to the opening 11 of the light recycling member 1, it also can be anti-by the light-transmitting opening 21
It is emitted back towards in cavity 2.In technique manufacturing process, it is only necessary to dig a light-transmitting opening to complete the incidence of exciting light and going out for stimulated light
It penetrates.It can be seen that in figure, the area of light-transmitting opening 21 only accounts for the sub-fraction in light-transmitting opening place face.In another embodiment, such as Fig. 6
Shown, the area of the light-transmitting opening 21 can also account for an entire surface in its place face, be seen in the figure that, the light-transmitting opening 21 can
Incident light guiding is injected the wavelength conversion layer 3 to generate stimulated light, meanwhile, the light-transmitting opening 21 can also be emitted by wave
The stimulated light that long conversion layer 3 is reflected back.
As shown in fig. 7, being the structural schematic diagram of the light-source system provided in an embodiment of the present invention including fluorescent moieties.Such as figure
Shown in, the exciting light that excitation light source 4 is sent out passes through the opening 11 of light recycling member 1 and light-transmitting opening 21 after dichroic element
It enters on the wavelength conversion layer 3 in cavity 2, excitation wavelength conversion layer 3, the stimulated light that excitation wavelength conversion 3 generates is in cavity
It is reflected on interior reflecting wall, a part of light is emitted (such as light 03) from the light-transmitting opening 21 of cavity 2, and a part reflects again in cavity 2
After be emitted, such as light 02, a part of light returns to wavelength conversion layer 3, such as light 01 after the reflection of the inner wall of cavity 2.The light recycling member
Part 1 returns wide-angle light reflection in cavity 2, such as light 05;Low-angle light is directly emitted to dichroic member by the light recycling member 1
Part is simultaneously reflected, such as light 06.
On the one hand above-mentioned technical proposal can make exciting light in the reflecting wall internal reflection of cavity, so that excitation luminous energy
It is enough full of entire wavelength conversion layer 3, so that exciting light is uniformly irradiated to wavelength conversion layer 3, meanwhile, stimulated light is in cavity
Interior abundant reflection, so that emergent light is evenly.
As shown in figure 8, being another structural representation of the light-source system provided in an embodiment of the present invention including fluorescent moieties
Figure.Embodiment shown in Fig. 8 is to deform to obtain on the basis of Fig. 7 embodiments.Unlike Fig. 7, which uses
The inconsistent light recycling member 1 of structure, wherein light recycling member 1 includes coating film area 12 and light-emitting window 11, the coating film area 12
The light of low-angle can be allowed to pass through with angle Selection reflectance coating, the light reflection of wide-angle, and laser light source is used, due to laser
Incident angle it is 0 ° approximate, so exciting light can pass through, the outgoing wide-angle of stimulated light low-angle is reflected back cavity, process
Multiple reflections, so that emergent light is more uniform.
In the above-described embodiments, excitation light source 4 can be solid state light emitter, it is preferred that excitation light source 4 is laser light source (LD
Light source).Light-source system shown in Fig. 7, when due to enabling to exciting light and stimulated light to pass through dichroic element using LD light sources,
It adequately separates, avoids using LED in the prior art, since the wave spectrum coverage area of the LED wide spectrum opticals sent out is wider, due to angle
Degree drift, can not separate exciting light and stimulated light, to influence light efficiency, namely influence the intensity of light extraction and influence the face of light extraction
Color.Wherein LD exciting lights and stimulated light angle drift schematic diagram as shown in figure 9, LED exciting lights and stimulated light angle drift
Schematic diagram is as shown in Figure 10.It can be seen that from Fig. 9 and Figure 10, when excitation light source 4 is using LED light source, LED exciting lights and stimulated light
It is highly susceptible to the influence of the angle drift of dichroic element, exciting light and stimulated light can not may finally be separated;On the contrary, working as
When excitation light source 4 is using LD light sources, LD exciting lights then substantially will not be by the shadow of the angle drift of two color color components with stimulated light
It rings, therefore is easy to separate exciting light and stimulated light.Light-source system shown in Fig. 8 recycles member due to using LD light sources in light
The coating film area 12 of part 1 can make exciting light pass through completely, and stimulated light is reflected, to improve the brightness of emergent light.And it adopts
When with LED light source, the wave spectrum coverage area of the wide spectrum optical sent out due to LED light source is wider, can not will due to there are angle drift
Exciting light and stimulated light distinguish, to which light efficiency reduces.
The embodiment of the present invention also provides a kind of light-source system, which includes light source and fluorescent moieties, the fluorescence
Module is the fluorescent moieties described in any of the above-described embodiment, which can be with the structure and work(in the various embodiments described above
Energy.The light-source system can be, such as stage lighting illumination, headlight for vehicles etc..
Light source is for sending out exciting light, for example, light source can be LD arrays, LED array, LD and LED array etc., light source production
Raw exciting light forms uniform light after apparatus for shaping carries out shaping, which is incident in fluorescent moieties, the fluorescence mould
The wavelength conversion layer of preset thickness in block receives incident exciting light, wavelength conversion layer of the exciting light in preset thickness
Back and forth one time when be completely absorbed and be converted into stimulated light.Since exciting light is completely absorbed and is converted into stimulated light, go out
The purity for penetrating light greatly improves, and since the raising of phototranstormation efficiency makes brightness also while improving.
Preferably, in order to adapt to the light-source system of requirements at the higher level, several fluorescent moieties can be passed through different connections
Mode connects, and identical or different material may be used in the wavelength conversion layer being arranged in each fluorescent moieties.For example, in stage
When needing to be emitted red, green, blue three coloured light, then three or more fluorescent moieties at least may be used and connect one piece, sent out when light source
When exciting light is incident to different fluorescent moieties, it can be emitted the light of corresponding red, green or blue color respectively.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (13)
1. a kind of fluorescent moieties, which is characterized in that including cavity, the reflecting wall being set in the cavity of part, be set to part instead
The wavelength conversion layer on wall is penetrated,
The cavity has light-transmitting opening;
There is the wavelength conversion layer preset thickness, exciting light the wavelength convert of the preset thickness is injected by the light-transmitting opening
Layer is so that the exciting light is once completely absorbed in the wavelength conversion layer of the preset thickness and is converted into stimulated light back and forth.
2. fluorescent moieties according to claim 1, which is characterized in that the cavity is rectangular, inverted trapezoidal, more prismatic table shapes
Or reverse frustoconic.
3. fluorescent moieties according to claim 1, which is characterized in that the fluorescent moieties further include optical filter, the filter
Mating plate is placed in the top of the light-transmitting opening and the opening sealed set by the cavity.
4. fluorescent moieties according to claim 1, which is characterized in that the light-transmitting opening is additionally operable to be emitted the stimulated light.
5. fluorescent moieties according to claim 1, which is characterized in that the cavity includes light-emitting window, and the light-emitting window is used
At least partly stimulated light, the light-emitting window is set to the light-transmitting opening same position or different location described in outgoing.
6. fluorescent moieties according to claim 1, which is characterized in that the reflecting wall is table in the part for be pasted onto cavity
The reflectance coating in face or the reflectance coating for being applied directly to the inner surface of cavity or being coated with.
7. fluorescent moieties according to claim 1, which is characterized in that the preset thickness of the wavelength conversion layer is according to wave
The density setting of long transition material.
8. fluorescent moieties according to claim 1, which is characterized in that the cavity is disposed on the substrate, and described matrix is adopted
It is made of any material in metallic plate, transparent silicon substrate or aluminium nitride substrate.
9. fluorescent moieties according to any one of claims 1 to 8, which is characterized in that the fluorescence cavity further includes light recycling
Element, the light recycling member are spherical or paraboloidal, the light recycling member will at least partly exciting light import it is described glimmering
Light inside cavity, and at least partly it is excited light-output by what is be emitted from the fluorescence cavity.
10. fluorescent moieties according to claim 9, which is characterized in that the light recycling member have opening, exciting light from
In the incident cavity of the opening or stimulated light is emitted from the opening.
11. fluorescent moieties according to claim 9, which is characterized in that the light recycling member has plated film area and light extraction
Mouthful, exciting light is emitted from plated film area incidence, stimulated light from the light-emitting window.
12. a kind of light-source system, which is characterized in that including light source and claim 1 to 11 any one of them fluorescence mould
Block, the light source is for sending out exciting light, and the fluorescent moieties receive the exciting light, so that the exciting light is in fluorescent moieties
Preset thickness wavelength conversion layer in be once completely absorbed back and forth and be converted into stimulated light.
13. light-source system according to claim 12, which is characterized in that the light source is laser light source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218228.1A CN108692196A (en) | 2017-04-05 | 2017-04-05 | A kind of fluorescent moieties and light-source system |
| PCT/CN2017/091689 WO2018184310A1 (en) | 2017-04-05 | 2017-07-04 | Fluorescent module and light source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218228.1A CN108692196A (en) | 2017-04-05 | 2017-04-05 | A kind of fluorescent moieties and light-source system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692196A true CN108692196A (en) | 2018-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710218228.1A Pending CN108692196A (en) | 2017-04-05 | 2017-04-05 | A kind of fluorescent moieties and light-source system |
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| Country | Link |
|---|---|
| CN (1) | CN108692196A (en) |
| WO (1) | WO2018184310A1 (en) |
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| CN104566231A (en) * | 2014-12-24 | 2015-04-29 | 杨毅 | Wavelength conversion device and light-emitting device |
| CN204372822U (en) * | 2014-12-15 | 2015-06-03 | 杨毅 | Wavelength converter and light-emitting device |
| CN204372585U (en) * | 2014-12-15 | 2015-06-03 | 杨毅 | Light-emitting device |
| CN105003843A (en) * | 2012-03-23 | 2015-10-28 | 深圳市绎立锐光科技开发有限公司 | Light source |
| CN207049630U (en) * | 2017-04-05 | 2018-02-27 | 深圳市绎立锐光科技开发有限公司 | A kind of fluorescent moieties and light-source system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574517A (en) * | 2013-10-15 | 2014-02-12 | 吴震 | Manufacturing method of wavelength conversion device, and light source |
| CN103574360A (en) * | 2013-10-15 | 2014-02-12 | 吴震 | Wavelength conversion device, reflection cup, light source, and manufacturing method of wavelength conversion device |
| DE102014100723A1 (en) * | 2014-01-23 | 2015-07-23 | Hella Kgaa Hueck & Co. | Lighting device for vehicles |
| CN104534409B (en) * | 2014-12-15 | 2017-02-22 | 杨毅 | wavelength conversion device and light-emitting device |
| CN204629367U (en) * | 2015-01-31 | 2015-09-09 | 杨毅 | Wavelength converter and light-emitting device |
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2017
- 2017-04-05 CN CN201710218228.1A patent/CN108692196A/en active Pending
- 2017-07-04 WO PCT/CN2017/091689 patent/WO2018184310A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003843A (en) * | 2012-03-23 | 2015-10-28 | 深圳市绎立锐光科技开发有限公司 | Light source |
| CN204372822U (en) * | 2014-12-15 | 2015-06-03 | 杨毅 | Wavelength converter and light-emitting device |
| CN204372585U (en) * | 2014-12-15 | 2015-06-03 | 杨毅 | Light-emitting device |
| CN104566231A (en) * | 2014-12-24 | 2015-04-29 | 杨毅 | Wavelength conversion device and light-emitting device |
| CN207049630U (en) * | 2017-04-05 | 2018-02-27 | 深圳市绎立锐光科技开发有限公司 | A kind of fluorescent moieties and light-source system |
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| Publication number | Publication date |
|---|---|
| WO2018184310A1 (en) | 2018-10-11 |
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