CN108150960A - A kind of high brightness laser illumination module - Google Patents
A kind of high brightness laser illumination module Download PDFInfo
- Publication number
- CN108150960A CN108150960A CN201810133965.6A CN201810133965A CN108150960A CN 108150960 A CN108150960 A CN 108150960A CN 201810133965 A CN201810133965 A CN 201810133965A CN 108150960 A CN108150960 A CN 108150960A
- Authority
- CN
- China
- Prior art keywords
- reflector
- light source
- conversion layer
- paraboloid
- wavelength conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
-
- 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
Abstract
The invention discloses a kind of high brightness laser illumination modules, including laser light source, reflector and wavelength conversion layer, it is characterized in that, reflector is near hemispherical structure, the top of reflector is equipped with a light-emitting window, it is paraboloid close to the side of light-emitting window, side of the paraboloid far from light-emitting window is spherical surface, paraboloidal focus is overlapped with the centre of sphere of spherical surface, wavelength conversion layer is set on paraboloidal focal point, laser light source is located at the same side of reflector with wavelength conversion layer, the light that laser light source is sent out is projected directly on paraboloid, it projects and is focused on wavelength conversion layer after parabolic reflector.Include the reflecting bowl structure of light-emitting window, paraboloid and spherical surface by setting, laser light source is made to be located at the same side of reflector with wavelength conversion layer, without the overpunch on reflector, and reduces space hold, reduces structure complexity.And the reflector of this kind of structure can be easy to make by being molded primary die sinking molding, it is at low cost.
Description
Technical field
The present invention relates to lighting technical fields, and in particular to a kind of high brightness laser illumination module.
Background technology
Laser light source is the electric light source to be shone under stimulated radiation effect using excited state particle, has brightness height, color
It is good, low energy consumption, long lifespan and it is small the characteristics of, laser light source and LED are all semiconductor lighting, and the efficiency of laser lighting is
Thousands of times of LED can not only increase projection distance, improve safety, while volume smaller, more compact structure.In addition to illumination is led
Except domain, laser display will all have more in multiple fields such as projector, digital cinemas, TV, stage lighting, large screen splicing, automobiles
For wide application.
A kind of laser lighting lamp is proposed in the prior art, by lasing light emitter being set to emit laser beam on the outside of car light reflector
And be projected on the fluorescent material on the inside of car light reflector, inspire fluorescence and after the reflection of car light reflector by assigned direction
Outgoing, to be formed in the light beam advanced in defined solid angle.Shape on reflector cannot be projected however, as a part of fluorescence
The light beam advanced in into regulation solid angle, but be projected directly at outside reflector and form veiling glare, reduce light utilizes effect
Rate and illuminating effect, when this kind of laser lighting lamp uses reflective fluorescent material in addition, laser light source and fluorescent material usually divide
Inside and outside reflector, need to punch on reflector, structure is more complicated, and volume is larger.
Invention content
The present invention provides a kind of high brightness laser illumination module, with solve it is in the prior art complicated and
The problem of volume is larger.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of high brightness laser illumination module, including swashing
Radiant, reflector and wavelength conversion layer, the reflector are near hemispherical structure, and the top of reflector is equipped with a light extraction
Mouthful, close to the side of the light-emitting window for paraboloid, side of the paraboloid far from the light-emitting window is spherical surface, the parabolic
The focus in face is overlapped with the centre of sphere of the spherical surface, and the wavelength conversion layer is set on the paraboloidal focal point, the laser light
Source is located at the same side of the reflector with the wavelength conversion layer, and the light that laser light source is sent out is projected directly at the parabolic
On face, projected after parabolic reflector on the wavelength conversion layer.
Further, the wavelength conversion layer is reflection-type phosphor powder layer.
Further, heat-radiating substrate is further included, the reflection-type phosphor powder layer is set on the heat-radiating substrate.
Further, the corresponding central angle of the light-emitting window is 30~90 degree.
Further, the paraboloid is 5~20 degree along the corresponding central angle of warp direction.
Further, the spherical surface is 10~50 degree along the corresponding central angle of warp direction.
Further, the laser light source is equipped with collimation lens along hair after light path.
Further, the laser light source is equipped with multiple, and hot spot on the laser light source projects to paraboloid is along weft
Direction is uniformly distributed.
The present invention also provides a kind of high brightness laser illumination module, including laser light source, reflector and wavelength conversion layer, institute
The hemispherical structure of reflector is stated, the top of the reflector is equipped with a light-emitting window, and the wherein side of the light-emitting window is throws
Object plane, the paraboloidal focus are overlapped with the centre of sphere of the spherical surface, and the wavelength conversion layer is set on the paraboloidal focus
Place, the laser light source are located at the same side of the reflector with the wavelength conversion layer, and the light that laser light source is sent out is direct
It projects on the paraboloid, is projected after parabolic reflector on the wavelength conversion layer.
Further, there are one the laser light source is set, the paraboloid is in approximate fan annular.
High brightness laser illumination module provided by the invention, it is described anti-including laser light source, reflector and wavelength conversion layer
Light bowl is near hemispherical structure, and the top of the reflector is equipped with a light-emitting window, is parabolic close to the side of the light-emitting window
Face, side of the paraboloid far from the light-emitting window are spherical surface, and the paraboloidal focus is overlapped with the centre of sphere of the spherical surface,
The wavelength conversion layer is set on the paraboloidal focal point, and the laser light source is located at described reflective with the wavelength conversion layer
The same side of bowl, the light that laser light source is sent out are projected directly on the paraboloid, are projected after parabolic reflector described
On wavelength conversion layer.Include the reflecting bowl structure of light-emitting window, paraboloid and spherical surface by setting, make laser light source and wavelength convert
Layer is located at the same side of reflector, without the overpunch on reflector, and reduces space hold, reduces complicated
Degree.And the reflector of this kind of structure can be easy to make by being molded primary die sinking molding, it is at low cost.
Description of the drawings
Fig. 1 is one concrete structure schematic diagram of high brightness laser illumination module in the embodiment of the present invention 1；
Fig. 2 is another concrete structure schematic diagram of high brightness laser illumination module in the embodiment of the present invention 1；
Fig. 3 is one concrete structure schematic diagram of high brightness laser illumination module in the embodiment of the present invention 2.
Shown in figure：10th, laser light source；20th, reflector；210th, light-emitting window；220th, paraboloid；230th, spherical surface；30th, wavelength
Conversion layer；40th, heat-radiating substrate；50th, collimation lens.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of high brightness laser illumination module, including laser light source 10, reflector 20
With wavelength conversion layer 30, the reflector 20 is near hemispherical structure, and the top of reflector 20 is equipped with a light-emitting window 210, leans on
The side of the nearly light-emitting window 210 is paraboloid 220, and side of the paraboloid 220 far from the light-emitting window 210 is spherical surface
230, the focus of the paraboloid 220 is overlapped with the centre of sphere of the spherical surface 230, and the wavelength conversion layer 30 is set on the paraboloid
220 focal point, the laser light source 10 are located at the same side of the reflector 20, laser light source with the wavelength conversion layer 30
10 light sent out are projected directly on the paraboloid 220, and the wavelength conversion layer 30 is projected after the reflection of paraboloid 220
On.Specifically, laser light source 10 and wavelength conversion layer 30 are located at the same side of reflector 20, i.e., positioned at the inside of reflector 20,
On its paraboloid 220 for being emitted parallel rays and projecting reflector 20, since directional light can be converged to coke by paraboloid 220
At point, therefore the parallel rays that laser light source 10 is emitted is reflected into through paraboloid 220 on the wavelength conversion layer 30 of focal point,
Through wavelength conversion layer 30 excitation after a part of low-angle of fluorescence light directly from light-emitting window 210 at be emitted, another part big angle
The light of degree is projected on spherical surface 230 on back reflection to wavelength conversion layer 30, is excited again through wavelength conversion layer 30, finally from going out
It is emitted at optical port 210, the brightness of light can be increased by more than 30 excitation of wavelength conversion layer；Laser light source 10 and wavelength simultaneously
Conversion layer 30 is located at the same side of reflector 20, and without in addition punching, and volume occupies smaller, and structure is simpler, reflector 20
Can be easy to make by being molded primary die sinking molding, it is at low cost.The angle in low-angle herein refers to and vertical direction
Angle.
Preferably, the wavelength conversion layer 30 is reflection-type phosphor powder layer, compared to transmission-type phosphor powder layer, reflection-type fluorescence
The heat dissipation performance of bisque is more preferable, longer life expectancy.
Preferably, which further includes heat-radiating substrate 40, and the reflection-type phosphor powder layer is set on institute
It states on heat-radiating substrate 40, heat-radiating substrate 40 is used to carry out rapid cooling to reflection-type phosphor powder layer.
Preferably, the 210 corresponding central angle of light-emitting window is 30~90 degree, and light-emitting window 210 is rounded in the present embodiment,
Therefore the corresponding central angle of diameter for being equivalent to the light-emitting window 210 is 30~90 degree, preferably 60 degree.It should be noted that if
It is subject to spheric coordinate system, it is 15~45 degree to be equivalent to 210 corresponding zenith angle of light-emitting window.
Preferably, the paraboloid 220 is 5~20 degree along the corresponding central angle of warp direction.Specifically, paraboloid 220
It need to be more than the size of laser facula projected thereon along warp direction in approximate annulus shape, and along the size of warp direction,
Provided of course that meet the condition, it is the smaller the better along the corresponding central angle of warp direction.It should be noted that in the present embodiment, instead
The light-emitting window 210 of light bowl 210 upward, can not also limit herein downward either towards a left side or towards the right side.It should be noted that
If being subject to spheric coordinate system, it is 15~45 degree to be equivalent to 220 corresponding zenith angle of paraboloid.
Preferably, the spherical surface 230 is 10~50 degree along the corresponding central angle of warp direction.Specifically, ball 230 is used to incite somebody to action
It is excited again on the light back to phosphor powder layer 30 for the wide-angle that phosphor powder layer 30 excites, due to phosphor powder layer 30
With dispersion effect, the light part excited again is directly emitted from light-emitting window 210, and another part is projected on spherical surface 230
And be reflected into again on phosphor powder layer 30, excite, scatter again again, so it is repeated multiple times after, finally all will be from light-emitting window
It is emitted at 210, since light is by more than 30 excitation of phosphor powder layer, brightness of illumination can be greatly improved.
Preferably, the laser light source 10 is equipped with collimation lens 50 along light path rear, for being collimated to light, ensures
It is incident on light on paraboloid 220 as directional light, and in the present embodiment, collimation lens 50 is encapsulated as one with laser light source 10
Body.
Preferably, the laser light source 10 is equipped with multiple, and the laser light source 10 projects the hot spot edge on paraboloid 220
Weft direction is uniformly distributed.Specifically, multiple laser light sources 10 are set, to improve brightness of illumination.In Fig. 2, laser light source 10
Equipped with it is multiple when, opposed vertical central axes are symmetrical.
Embodiment 2
As shown in figure 3, a kind of high brightness laser illumination module, including laser light source 10, reflector 20 and wavelength conversion layer
30, the 20 hemispherical structure of reflector, the top of the reflector 20 is equipped with a light-emitting window 210, and the light-emitting window 210
Wherein side for paraboloid 220, the focus of the paraboloid 220 is overlapped with the centre of sphere of the spherical surface 230, the wavelength convert
Layer 30 is set on the focal point of the paraboloid 220, and the laser light source 10 is located at the reflector with the wavelength conversion layer 30
20 the same side, the light that laser light source 10 is sent out are projected directly on the paraboloid 220, are thrown after the reflection of paraboloid 220
It is mapped on the wavelength conversion layer 30.Preferably, there are one laser light source 10 is set, paraboloid 220 is in approximate fan annular at this time.Tool
Body, due to there are one laser light sources 10, it can be all provided with being set to paraboloid 220 in the entire circumferential direction of light-emitting window 210,
Can be paraboloid 220 by local setting, which is 30~60 degree along the corresponding central angle of weft direction, only
Size of the laser facula along weft direction need to be more than.
In conclusion high brightness laser illumination module provided by the invention, including laser light source 10, reflector 20 and wavelength
Conversion layer 30, the reflector 20 are near hemispherical structure, and the top of reflector 20 is equipped with a light-emitting window 210, close to described
The side of light-emitting window 210 is paraboloid 220, and side of the paraboloid 220 far from the light-emitting window 210 is spherical surface 230, described
The focus of paraboloid 220 is overlapped with the centre of sphere of the spherical surface 230, and the wavelength conversion layer 30 is set on the coke of the paraboloid 220
At point, the laser light source 10 is located at the same side of the reflector 20 with the wavelength conversion layer 30, and laser light source 10 is sent out
Light be projected directly on the paraboloid 220, through paraboloid 220 reflection after project on the wavelength conversion layer 30.It is logical
The reflecting bowl structure that setting includes light-emitting window 210, paraboloid 220 and spherical surface 230 is crossed, makes laser light source 10 and wavelength conversion layer 30
Positioned at the same side of reflector 30, without the overpunch on reflector 30, and reduce space hold, reduce complicated
Degree.And the reflector 20 of this kind of structure can be easy to make by being molded primary die sinking molding, it is at low cost.Weft herein
Direction refers to direction parallel with equator on sphere, and warp direction is the side for referring to connect any latitude warp of south poles
To.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should include within the scope of the present invention.
Claims (10)
1. a kind of high brightness laser illumination module, including laser light source, reflector and wavelength conversion layer, which is characterized in that described
Reflector is near hemispherical structure, and the top of reflector is equipped with a light-emitting window, is paraboloid close to the side of the light-emitting window,
Side of the paraboloid far from the light-emitting window is spherical surface, and the paraboloidal focus is overlapped with the centre of sphere of the spherical surface, institute
Wavelength conversion layer is stated set on the paraboloidal focal point, the laser light source is located at the reflector with the wavelength conversion layer
The same side, the light that laser light source is sent out is projected directly on the paraboloid, and the wave is projected after parabolic reflector
On long conversion layer.
2. high brightness laser illumination module according to claim 1, which is characterized in that the wavelength conversion layer is reflection-type
Phosphor powder layer.
3. high brightness laser illumination module according to claim 2, which is characterized in that heat-radiating substrate is further included, it is described anti-
Emitting phosphor powder layer is set on the heat-radiating substrate.
4. high brightness laser illumination module according to claim 1, which is characterized in that the corresponding central angle of the light-emitting window
It is 30~90 degree.
5. high brightness laser illumination module according to claim 1, which is characterized in that the paraboloid is along warp direction pair
The central angle answered is 5~20 degree.
6. high brightness laser illumination module according to claim 1, which is characterized in that the spherical surface is corresponded to along warp direction
Central angle be 10~50 degree.
7. high brightness laser illumination module according to claim 1, which is characterized in that the laser light source is sent out along after light path
Equipped with collimation lens.
8. high brightness laser illumination module according to claim 1, which is characterized in that the laser light source be equipped with it is multiple,
Hot spot on the laser light source projects to paraboloid is uniformly distributed along weft direction.
9. a kind of high brightness laser illumination module, including laser light source, reflector and wavelength conversion layer, which is characterized in that described
The hemispherical structure of reflector, the top of the reflector are equipped with a light-emitting window, and the wherein side of the light-emitting window is parabolic
Face, the paraboloidal focus are overlapped with the centre of sphere of the spherical surface, and the wavelength conversion layer is set on the paraboloidal focal point,
The laser light source is located at the same side of the reflector with the wavelength conversion layer, and the light that laser light source is sent out directly projects
Onto the paraboloid, projected after parabolic reflector on the wavelength conversion layer.
10. high brightness laser illumination module according to claim 9, which is characterized in that there are one the laser light source is set,
The paraboloid is in approximate fan annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133965.6A CN108150960A (en) | 2018-02-09 | 2018-02-09 | A kind of high brightness laser illumination module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133965.6A CN108150960A (en) | 2018-02-09 | 2018-02-09 | A kind of high brightness laser illumination module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150960A true CN108150960A (en) | 2018-06-12 |
Family
ID=62457165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810133965.6A Pending CN108150960A (en) | 2018-02-09 | 2018-02-09 | A kind of high brightness laser illumination module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150960A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039428A (en) * | 2019-12-20 | 2020-04-21 | 江苏优联环境发展有限公司 | Ozone aeration cavity manufacturing method |
| WO2020248560A1 (en) * | 2019-06-13 | 2020-12-17 | 广州光联电子科技有限公司 | Laser flashlight optical system having multiple optical axes, and laser flashlight |
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| JP2017050245A (en) * | 2015-09-04 | 2017-03-09 | ウシオ電機株式会社 | Light source device |
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| CN107270256A (en) * | 2017-08-07 | 2017-10-20 | 超视界激光科技（苏州）有限公司 | Laser lighting lamp and its application |
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2018
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|---|---|---|---|---|
| JPH11102608A (en) * | 1997-09-29 | 1999-04-13 | Toshiba Lighting & Technology Corp | Electrodeless discharge lamp device |
| US20040233664A1 (en) * | 2003-05-23 | 2004-11-25 | Beeson Karl W. | Illumination systems utilizing multiple wavelength light recycling |
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| WO2020248560A1 (en) * | 2019-06-13 | 2020-12-17 | 广州光联电子科技有限公司 | Laser flashlight optical system having multiple optical axes, and laser flashlight |
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| CN111039428B (en) * | 2019-12-20 | 2022-06-07 | 江苏优联环境发展有限公司 | Ozone aeration cavity manufacturing method |
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