CN207880503U - High brightness laser illumination module - Google Patents
High brightness laser illumination module Download PDFInfo
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- CN207880503U CN207880503U CN201820232507.3U CN201820232507U CN207880503U CN 207880503 U CN207880503 U CN 207880503U CN 201820232507 U CN201820232507 U CN 201820232507U CN 207880503 U CN207880503 U CN 207880503U
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- paraboloid
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Abstract
The utility model discloses a kind of high brightness laser illumination modules, including laser light source, reflector and wavelength conversion layer, 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 to 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 is projected on wavelength conversion layer after parabolic reflector, the long axis that laser light source is incident on the hot spot on paraboloid is parallel with weft direction.By the way that this kind of reflecting bowl structure is arranged, the same side that laser light source is located at reflector with wavelength conversion layer is made to reduce structure complexity without being punched on reflector；The long axis that laser light source is incident on the hot spot on paraboloid is parallel with weft direction, reduces size of the paraboloid along warp direction, improves light emission rate.
Description
Technical field
The utility model is related 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 small feature, 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, emits laser beam by the way that lasing light emitter is arranged 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.However since a part of fluorescence cannot project shape on reflector
It at the light beam advanced in regulation solid angle, but is projected directly at outside reflector and forms 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 complex, and volume is larger.
Utility model content
The utility model provides a kind of high brightness laser illumination module, existing in the prior art complicated to solve
And the problem that volume is larger.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of high brightness laser illumination module, packet
Laser light source, reflector and wavelength conversion layer are included, the reflector is near hemispherical structure, and the top of reflector goes out equipped with one
Optical port, is paraboloid close to the side of the light-emitting window, and side of the paraboloid far from the light-emitting window is spherical surface, the throwing
The focus of object plane is overlapped with the centre of sphere of the spherical surface, and the wavelength conversion layer is set to 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 directly incident on the throwing
It on object plane, is projected after parabolic reflector on the wavelength conversion layer, the laser light source is incident on the hot spot on paraboloid
Long axis it is parallel with weft direction.
Further, it is 0~40 degree that the light that the laser light source is sent out, which is incident on the incidence angle on paraboloid,.
Further, the wavelength conversion layer is reflection-type phosphor powder layer.
Further, further include heat-radiating substrate, 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 sent out after light path is equipped with collimation lens.
Further, the laser light source is equipped with multiple, and the hot spot on the laser light source projects to paraboloid is along weft
Direction is uniformly distributed.
Further, one circle transflection layer of setting, transmission laser light between the wavelength conversion layer periphery and the reflector
The light that source is sent out, the light that reflective wavelength-converting layer inspires.
High brightness laser illumination module provided by the utility model, including laser light source, reflector and wavelength conversion layer, institute
It is near hemispherical structure to state reflector, and the top of the reflector is equipped with a light-emitting window, is close to the side of the light-emitting window
Paraboloid, side of the paraboloid far from the light-emitting window are spherical surface, the centre of sphere of the paraboloidal focus and the spherical surface
It overlaps, the wavelength conversion layer is set to the paraboloidal focal point, and the laser light source is located at institute with the wavelength conversion layer
The same side of reflector is stated, the light that laser light source is sent out is projected directly on the paraboloid, is projected after parabolic reflector
Onto the wavelength conversion layer, the long axis that the laser light source is incident on the hot spot on paraboloid is parallel with weft direction.Pass through
Be arranged include light-emitting window, paraboloid and spherical surface reflecting bowl structure, so that laser light source is located at the same of reflector with wavelength conversion layer
Side without the overpunch on reflector, and reduces space hold, reduces structure complexity；Laser light source enters simultaneously
The long axis for being mapped to the hot spot on paraboloid is parallel with weft direction, reduces size of the paraboloid along warp direction, increases spherical surface
Along the size of warp direction, light emission rate is improved, and the reflector of this kind of structure can make by being molded primary die sinking molding
It is convenient, it is at low cost.
Description of the drawings
Fig. 1 is the paraboloid vertical view in one concrete structure of the utility model high brightness laser illumination module；
Fig. 2 is one concrete structure schematic diagram of the utility model high brightness laser illumination module；
Fig. 3 is another concrete structure schematic diagram of the utility model high brightness laser illumination module；
Fig. 4 is the paraboloid vertical view in another concrete structure of the utility model high brightness laser illumination module.
As shown in the figure：10, laser light source；20, reflector；210, light-emitting window；220, paraboloid；230, spherical surface；30, wavelength
Conversion layer；40, heat-radiating substrate；50, collimation lens.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings：
As shown in Figs. 1-2, the utility model provides a kind of high brightness laser illumination module, including laser light source 10, anti-
Light bowl 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, it is paraboloid 220 close to the side of the light-emitting window 210, side of the paraboloid 220 far from the light-emitting window 210 is
Spherical surface 230, the focus of the paraboloid 220 are overlapped with the centre of sphere of the spherical surface 230, and the wavelength conversion layer 30 is set to the throwing
The focal point of object plane 220, the laser light source 10 are located at the same side of the reflector 20, laser with the wavelength conversion layer 30
The light that light source 10 is sent out is projected directly on the paraboloid 220, and the wavelength convert is projected after the reflection of paraboloid 220
On layer 30, the long axis that the laser light source 10 is incident on the hot spot 110 on paraboloid 220 is parallel with weft direction.Specifically, swashing
Radiant 10 is located at the same side of reflector 20 with wavelength conversion layer 30, that is, is located at the inside of reflector 20, is emitted directional light
Line simultaneously projects on the paraboloid 220 of reflector 20, since directional light can be converged to focal point by paraboloid 220, swashs
The parallel rays that radiant 10 is emitted is reflected into through paraboloid 220 on the wavelength conversion layer 30 of focal point, through wavelength convert
The light of a part of low-angle of fluorescence after 30 excitation of layer is emitted directly from light-emitting window 210, and the light of another part wide-angle is thrown
It is mapped on spherical surface 230 on back reflection to wavelength conversion layer 30, is excited again through wavelength conversion layer 30, finally from light-emitting window 210
Outgoing can increase the brightness of light by more than 30 excitation of wavelength conversion layer；In addition laser light source 10 and wavelength conversion layer 30
Positioned at the same side of reflector 20, without in addition punching, and volume occupies smaller, and structure is simpler.Laser light source 10 is penetrated simultaneously
The long axis of hot spot on to paraboloid 220 is parallel with weft direction, reduces size of the paraboloid 220 along warp direction, increases
Spherical surface improves light emission rate along the size of warp direction, and 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 the angle with vertical direction.Weft direction herein refers on sphere
The direction parallel with equator, warp direction are the direction for referring to any latitude warp for connecting south poles.
Preferably, it is 0~40 degree that the light that the laser light source 10 is sent out, which is incident on the incidence angle on paraboloid 220,.Tool
Body, laser light source 10 projects the hot spot on wavelength conversion layer 30 and is incident on entering on paraboloid 220 depending on laser beam
Firing angle can cause the distribution of hot spot larger if incidence angle is too big, cannot be gathered in the focal point of paraboloid 220 well, because
This needs the size of control incidence angle to be less than 40 degree herein, can pass through the position of the shape and laser light source 10 of control paraboloid 220
It sets to realize.
Preferably, the wavelength conversion layer 30 is reflection-type wavelength conversion layer, compares transmission-type phosphor powder layer, and reflection-type is glimmering
The heat dissipation performance of light bisque is more preferable, longer life expectancy.
Preferably, which further includes heat-radiating substrate 40, and the reflection-type phosphor powder layer is set to 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, 210 corresponding central angle of the light-emitting window is 30~90 degree, and light-emitting window 210 is in circle in the present embodiment
Shape, therefore the corresponding central angle of diameter for being equivalent to the light-emitting window 210 is 30~90 degree, preferably 60 degree.It needs to illustrate
It is that, if being 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 10~20 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,
It is the smaller the better along the corresponding central angle of warp direction provided of course that meet the condition, i.e. size of the paraboloid 220 along warp direction
It is the smaller the better, to improve light emission rate.It should be noted that in the present embodiment, the light-emitting window 210 of reflector 210 upward, can also
Downward either towards a left side or towards the right side, do not limit herein.It should be noted that if being subject to spheric coordinate system, it is equivalent to parabolic
220 corresponding zenith angle of face is 15~45 degree.
Preferably, the spherical surface 230 is 10~50 degree along the corresponding central angle of warp direction.Specifically, ball 230 is used for
It will again be excited on the light back for the wide-angle that wavelength conversion layer 30 excites to wavelength conversion layer 30, due to wavelength
There is conversion layer 30 dispersion effect, the light part excited again to be directly emitted from light-emitting window 210, and another part projects
Be reflected on spherical surface 230 and again on wavelength conversion layer 30, excite, scatter again again, repeatedly repeatedly after, finally all
It will be emitted from light-emitting window 210, since light is by more than 30 excitation of wavelength conversion 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 directional light that it, which is incident on the light on paraboloid 220, and the original hot spot that laser light source 10 is emitted is rectangular light spot, collimated
Become circular light spot after mirror 50, which projects formation elliptical spot 120 on paraboloid 220, as shown in figure 4, being
Collimation lens 50 and laser light source 10, can be packaged as a whole by guarantee system stability.
Preferably, the laser light source 10 is equipped with multiple, and the laser light source 10 projects the hot spot on paraboloid 220
It is uniformly distributed along weft direction.Specifically, multiple laser light sources 10 are arranged, to improve brightness of illumination.In Fig. 3, laser light source
10 be equipped with it is multiple when, opposed vertical central axes are symmetrical.
Preferably, one circle transflection layer 60 of setting between 30 periphery of the wavelength conversion layer and the reflector 20, transmission swashs
The light that radiant 10 is sent out, the light that reflective wavelength-converting layer 30 inspires avoid wavelength conversion layer 30 from projecting paraboloid
Light on 220 is emitted along parallel beneath, and to cause ray waste, and light can return to paraboloid after the reflection of transflection layer 60
It projects on 220 and again and is excited again on wavelength conversion layer 30, be finally emitted from light-emitting window 210, further improve illumination
Brightness.
In conclusion high brightness laser illumination module provided by the utility model, including laser light source 10,20 and of reflector
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
The side of the 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 to the parabolic
The focal point in face 220, the laser light source 10 are located at the same side of the reflector 20, laser with the wavelength conversion layer 30
The light that light source 10 is sent out is projected directly on the paraboloid 220, and the wavelength convert is projected after the reflection of paraboloid 220
On layer 30, the long axis that the laser light source 10 is incident on the hot spot on paraboloid 220 is parallel with weft direction.It is wrapped by being arranged
Include optical port 210, paraboloid 220 and spherical surface 230 reflecting bowl structure, so that laser light source 10 and wavelength conversion layer 30 is located at reflective
The same side of bowl 30 without the overpunch on reflector 30, and reduces space hold, reduces structure complexity.Simultaneously
The long axis that laser light source 10 is incident on the hot spot on paraboloid 220 is parallel with weft direction, reduces paraboloid 220 along warp side
To size, increase spherical surface 230 along the size of warp direction, improve light emission rate, and the reflector 20 of this kind of structure can lead to
The primary die sinking molding of injection molding is crossed, it is easy to make, it is at low cost.
Although the embodiment of the utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of not departing from the utility model aims, are set
It changes and change should be included in the scope of protection of the utility model.
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
It states wavelength conversion layer and is set to 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 directly incident on the paraboloid, and the wave is projected after parabolic reflector
On long conversion layer, the long axis that the laser light source is incident on the hot spot on paraboloid is parallel with weft direction.
2. high brightness laser illumination module according to claim 1, which is characterized in that the light that the laser light source is sent out
The incidence angle being incident on paraboloid is 0~40 degree.
3. high brightness laser illumination module according to claim 1, which is characterized in that the wavelength conversion layer is reflection-type
Phosphor powder layer.
4. high brightness laser illumination module according to claim 3, which is characterized in that further include heat-radiating substrate, it is described anti-
Emitting phosphor powder layer is set on the heat-radiating substrate.
5. 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.
6. 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.
7. 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.
8. high brightness laser illumination module according to claim 1, which is characterized in that the laser light source is sent out after light path
Equipped with collimation lens.
9. 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.
10. high brightness laser illumination module according to claim 1, which is characterized in that the wavelength conversion layer periphery with
One circle transflection layer of setting, the light that transmission laser light source is sent out, the light that reflective wavelength-converting layer inspires between the reflector
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232507.3U CN207880503U (en) | 2018-02-09 | 2018-02-09 | High brightness laser illumination module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232507.3U CN207880503U (en) | 2018-02-09 | 2018-02-09 | High brightness laser illumination module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880503U true CN207880503U (en) | 2018-09-18 |
Family
ID=63498362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820232507.3U Active CN207880503U (en) | 2018-02-09 | 2018-02-09 | High brightness laser illumination module |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332076A (en) * | 2018-02-09 | 2018-07-27 | 超视界激光科技（苏州）有限公司 | High brightness laser illumination module |
| WO2020119354A1 (en) * | 2018-12-11 | 2020-06-18 | 深圳市绎立锐光科技开发有限公司 | Laser illumination lamp |
| CN114576574A (en) * | 2020-11-18 | 2022-06-03 | 杨毅 | Light-emitting device and lamp |
| WO2024103815A1 (en) * | 2022-11-14 | 2024-05-23 | 西安炬光科技股份有限公司 | Laser lighting device and terminal |
-
2018
- 2018-02-09 CN CN201820232507.3U patent/CN207880503U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332076A (en) * | 2018-02-09 | 2018-07-27 | 超视界激光科技（苏州）有限公司 | High brightness laser illumination module |
| WO2020119354A1 (en) * | 2018-12-11 | 2020-06-18 | 深圳市绎立锐光科技开发有限公司 | Laser illumination lamp |
| CN114576574A (en) * | 2020-11-18 | 2022-06-03 | 杨毅 | Light-emitting device and lamp |
| WO2024103815A1 (en) * | 2022-11-14 | 2024-05-23 | 西安炬光科技股份有限公司 | Laser lighting device and terminal |
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