CN209279066U - A kind of light source module group of high brightness - Google Patents
A kind of light source module group of high brightness Download PDFInfo
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- CN209279066U CN209279066U CN201920263406.7U CN201920263406U CN209279066U CN 209279066 U CN209279066 U CN 209279066U CN 201920263406 U CN201920263406 U CN 201920263406U CN 209279066 U CN209279066 U CN 209279066U
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- light source
- wavelength conversion
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Abstract
The utility model discloses a kind of light source module groups of high brightness, including substrate, laser light source module and LED light source component, the laser light source module includes laser source and the optical maser wavelength conversion layer on the substrate, the LED light source component includes the LED chip being sequentially arranged on the substrate from the bottom to top and LED wavelength conversion layer, the LED light source component is distributed in around optical maser wavelength conversion layer at least provided with two.By the way that LED light source component is set to around optical maser wavelength conversion layer, to form the surface of light source that intermediate region brightness is high, peripheral region brightness is low, laser and LED are combined together well, one is formed, so as to meet the far lighting demand of headlight for vehicles well, and the light source module group is compact-sized, it occupies small in size, rapid heat dissipation, long service life, effect stability are reliable.
Description
Technical field
The utility model relates to lighting technical field more particularly to a kind of light source module groups of high brightness.
Background technique
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light source is because having height
The advantages that effect, energy conservation, environmentally friendly, the at low cost and service life is long, just gradually replacing traditional incandescent lamp and energy-saving lamp, is becoming a kind of logical
Lighting source.
In existing LED automobile headlamp, LED light source is located at the focal point of car light reflector, the light beam of LED light source outgoing
It is collected through car light reflector and the light distribution of back-end optical system (including baffle, lens etc.), it is remote required for finally projecting
Dipped beam field distribution.The headlight for vehicles dipped beam of the available meet demand of this kind of car light matches light distribution, however is forming distance light point
When cloth, due to being limited by current LED light source brightness, it is obvious not enough and asking of not concentrating of light beam usually to there is center illumination
Topic.And laser light source (semiconductor laser diode) has many advantages, such as that energy concentration, irradiation distance are remote, utilizes LASER Excited Fluorescence
The point light source of powder technology (long-distance fluorescent powder technology) available super brightness.It, can in order to improve the central light strength of LED high beam
As LED distance light floor light, but in existing technical solution to be usually using laser light source as individual by laser light source
Mould group come using, can not effectively be combined with LED light source, cause entire head lamp structure complicated, it is at high cost.
Utility model content
The utility model aiming at the problems existing in the prior art, provide it is a kind of laser and LED are combined well, with
Meet the light source module group of the high brightness of the far lighting demand of headlight for vehicles.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of light source module group of high brightness, including
Substrate, laser light source module and LED light source component, the laser light source module include laser source and swashing on the substrate
Optical wavelength converting layer, the LED light source component include the LED chip being sequentially arranged on the substrate from the bottom to top and LED wavelength
Conversion layer, the LED light source component are distributed in around optical maser wavelength conversion layer at least provided with two.
Further, the substrate is ceramic substrate.
Further, the size of optical maser wavelength conversion layer cross section is less than LED wavelength conversion layer cross section
Size.
Further, the LED wavelength conversion layer is the silica gel flourescent sheet or fluorescent powder that fluorescent powder and silica gel are mixed to form
The glass flourescent sheet or ceramic fluorescent piece formed with glass matrix.
Further, the optical maser wavelength conversion layer is ceramic fluorescent piece.
Further, one layer of reflectance coating is equipped with below the ceramic fluorescent piece, the reflectance coating is multilayer dielectric film or gold
Belong to reflectance coating.
Further, white diffusion layer is equipped with above the ceramic fluorescent piece, the white diffusion layer includes quartz particles
Or alumina particle or titan oxide particles.
Further, the periphery of the optical maser wavelength conversion layer and LED light source component packet is equipped with diffusing reflection layer.
Further, the optical maser wavelength conversion layer includes the phosphor powder layer and aluminium oxide ceramics substrate of glass matrix.
Further, the thickness of the phosphor powder layer of the glass matrix is less than 0.1mm, the thickness of the aluminium oxide ceramics substrate
Degree is 0.1-0.3mm.
The light source module group of high brightness provided by the utility model, including substrate, laser light source module and LED light source component,
The laser light source module includes laser source and the optical maser wavelength conversion layer on the substrate, the LED light source component packet
Include the LED chip being sequentially arranged on the substrate from the bottom to top and LED wavelength conversion layer, the LED light source component at least provided with
It two, is distributed in around optical maser wavelength conversion layer.By the way that LED light source component to be set to around optical maser wavelength conversion layer, with shape
The surface of light source high at intermediate region brightness, peripheral region brightness is low, laser and LED are combined together well, form one,
So as to meet the far lighting demand of headlight for vehicles well, and the light source module group is compact-sized, occupies small in size, heat dissipation
Fastly, long service life, effect stability are reliable.
Detailed description of the invention
Fig. 1 is one concrete structure schematic diagram of light source module group of high brightness in the utility model embodiment 1；
Fig. 2 is the overlooking structure figure of the light source module group (except laser source) of Fig. 1 high brightness；
Fig. 3 is one concrete structure schematic diagram of light source module group of high brightness in the utility model embodiment 2；
Fig. 4 is one concrete structure schematic diagram of light source module group of high brightness in the utility model embodiment 3.
It is as shown in the figure: 10, substrate；20, laser light source module；210, laser source；220, optical maser wavelength conversion layer；221, glass
The phosphor powder layer of glass matrix；222, aluminium oxide ceramics substrate；30, LED light source component；310, LED chip；320, LED wavelength turns
Change layer；40, diffusing reflection layer；50, white diffusion layer.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figs. 1-2, the utility model provides a kind of light source module group of high brightness, including substrate 10, laser light source
Component 20 and LED light source component 30, the laser light source module 20 include laser source 210 and the laser on the substrate 10
Wavelength conversion layer 220, the LED light source component 30 include 310 He of LED chip being sequentially arranged on the substrate 10 from the bottom to top
LED wavelength conversion layer 320, the LED light source component 30 are distributed in around optical maser wavelength conversion layer 220 at least provided with two.
Specifically, being divided into the opposite two sides of optical maser wavelength conversion layer 220, certainly there are two LED light source component 30 is set in the present embodiment
LED light source component 30 also can be set three or four, be selected according to actual needs, herein without limitation.The present embodiment
Closely optical maser wavelength conversion layer 220 is arranged middle LED light source component 30, naturally it is also possible to have small gap, laser source 210 is emitted
Laser be incident on optical maser wavelength conversion layer 220 from outside, optical maser wavelength conversion layer 220 is converted to incident exciting light glimmering
Light, and white light is mixed to form with unconverted laser, naturally it is also possible to the characteristic for changing optical maser wavelength conversion layer 220 keeps its defeated
Yellow light or the light of other colors out；LED wavelength conversion layer 320 can be adhered directly in LED chip 310 by glue, LED core
The light that piece 310 issues is directly entered LED wavelength conversion layer 320, is converted into fluorescence by LED wavelength conversion layer 320, and with do not turn
The LED light changed is mixed to form white light or the light of other colors, by the way that LED light source component 30 is set to optical maser wavelength conversion layer
Around 220, to form the surface of light source that intermediate region brightness is high, peripheral region brightness is low, laser and LED are incorporated in one well
It rises, forms one, so as to meet the far lighting demand of headlight for vehicles well, and the light source module group is compact-sized, accounts for
With small in size, rapid heat dissipation, long service life, effect stability is reliable.
Preferably, the substrate 10 is ceramic substrate, and the materials such as aluminium nitride or aluminium oxide can be selected to be made, led with height
Heat, nonconducting feature can plate conductive layer on it.The preferred gold of conductive layer or silver, on the one hand for LED chip 310
Power supply, on the other hand convenient for carrying out eutectic welding with LED chip 310, to form adhesive layer (not shown).
Preferably, the LED wavelength conversion layer 320 is the silica gel flourescent sheet or fluorescent powder that fluorescent powder and silica gel are mixed to form
The glass flourescent sheet or ceramic fluorescent piece formed with glass matrix.Certainly from the aspect of thermal conductivity, it is followed successively by pottery from high to low
Porcelain flourescent sheet, glass flourescent sheet, silica gel flourescent sheet, therefore preferably ceramic flourescent sheet.
Preferably, the optical maser wavelength conversion layer 220 is ceramic fluorescent piece, since laser light source energy is concentrated, generation
Heat is high, therefore the ceramic fluorescent piece with good thermal conductivity and weatherability is selected to facilitate rapid cooling and reliably working,
It avoids 220 temperature of optical maser wavelength conversion layer excessively high and burns out, ceramic fluorescent piece can be directly anchored on substrate 10, ceramic fluorescent
Piece and the fixation of substrate 10 can the forms such as or tin cream Nian Jie by glue welding, as long as guaranteeing good thermally conductive.This
Outside, go out light to reduce ceramic fluorescent piece bottom surface, first ceramic fluorescent piece bottom can be polished, be then plated with reflectance coating, then glue
It is connected on the substrate 10 of bottom.Reflectance coating can use multilayer dielectric film or metallic reflective coating, and technique for sticking can select die bond
Technology.Another preferred scheme is also provided in the present embodiment: first fixing the region plated with gold of ceramic fluorescent piece on the substrate 10
Or silver layer, the effect of the coating are reflectivity that is convenient Nian Jie with ceramic fluorescent piece and improving ceramic fluorescent piece bottom surface；So
The bottom of ceramic fluorescent piece is polished afterwards and plates highly reflecting films；Ceramic fluorescent piece is adhered to substrate 10 finally by crystal-bonding adhesive
On.
Preferably, the periphery of the optical maser wavelength conversion layer 220 and LED light source component 30 packet is equipped with diffusing reflection layer 40.Such as
Shown in Fig. 1-2, which is packaged in the periphery of optical maser wavelength conversion layer 220 and LED light source component 30, can use silicon
The white wall glue that glue and oxide white particle mix, on the one hand the white wall glue will be from optical maser wavelength conversion layer 220 and LED wave
The light that long 320 side of conversion layer issues is reflected back wavelength conversion layer, helps to improve the optical density inside wavelength conversion layer, i.e.,
Lateral emitting is reduced, upper surface is improved and shines, another colourless corner eliminates the veiling glare issued from wavelength conversion layer side again
It influences, improves brightness of illumination and light source utilization rate.
Preferably, the size of optical maser wavelength conversion layer 220 is not necessarily to, optical maser wavelength consistent with 320 size of LED wavelength conversion layer
The size of conversion layer 220 is less than the size of LED wavelength conversion layer 320, and optical maser wavelength conversion layer 220 can be made to shine and more concentrated,
Brightness is higher.
Optical maser wavelength conversion layer 220 can be consistent or inconsistent with the upper level of LED wavelength conversion layer 320,
The upper surface of optical maser wavelength conversion layer 220 can be higher or lower than the upper surface of LED wavelength conversion layer 320, the present embodiment Fig. 2
In, the height of the two be unanimously the light-emitting surface of optical maser wavelength conversion layer 220 and LED wavelength conversion layer 320 in the same plane,
However the inconsistent light-emitting surface of height is in some applications perhaps advantageously, therefore herein without limitation, it can be according to reality
It needs to be designed.
Embodiment 2
As shown in figure 3, it is equipped with white diffusion layer 50 unlike the first embodiment, above the ceramic fluorescent piece, it is described white
Color diffusion layer 50 includes quartz particles or alumina particle or titan oxide particles, can also use other whites or transparent oxidation
Composition granule form can make the white light exported from optical maser wavelength conversion layer 220 or other face by the way that the white diffusion layer 50 is arranged
The light of color is more uniform, further increases illuminating effect.
Embodiment 3
As shown in figure 4, in the present embodiment, the optical maser wavelength conversion layer 220 includes glass unlike embodiment 1-2
The phosphor powder layer 221 and aluminium oxide ceramics substrate 222 of glass matrix.Preferably, the thickness of the phosphor powder layer 221 of the glass matrix
Less than 0.1mm, the aluminium oxide ceramics substrate 222 with a thickness of 0.1-0.3mm, the optical maser wavelength conversion layer 220 that is consequently formed
Thickness be about 0.2-0.4mm.Aluminium oxide ceramics substrate 222 is preferably white in the present embodiment, improves diffusing reflection effect, certainly
Also other colors can be used, herein with no restrictions.
Above-mentioned optical maser wavelength conversion layer 220 can be made by the steps: first mixing fluorescent powder with glass powder, mix
Some solvents aids can be added when conjunction, then by mixture by being screen-printed in aluminium oxide ceramics substrate 222, then high temperature
Sintering, glass powder melts and is formed the phosphor powder layer 221 of one layer of glass matrix after sintering, with bottom oxide aluminium ceramic bases
222 combine closely.By selecting aluminium oxide ceramics as substrate, a good diffuse reflector can be formed, is greatly reduced
Optical maser wavelength conversion layer 220 bottom-face luminous.Further, since the diffusion of alumina ceramic plate, it helps fluorescent powder hair
The mixing of light and laser can form more satisfactory white light.Furthermore aluminium oxide ceramics thermal conductivity with higher, facilitates glimmering
The thermal energy that light powder generates is spread apart as early as possible, plays good heat dissipation effect.
In conclusion the light source module group of high brightness provided by the utility model, including substrate 10,20 and of laser light source module
LED light source component 30, the laser light source module 20 include laser source 210 and the optical maser wavelength conversion on the substrate 10
Layer 220, the LED light source component 30 include the LED chip 310 and LED wavelength being sequentially arranged on the substrate 10 from the bottom to top
Conversion layer 320, the LED light source component 30 are distributed in around optical maser wavelength conversion layer 220 at least provided with two.Passing through will
LED light source component 30 is set to around optical maser wavelength conversion layer 220, and to be formed, intermediate region brightness is high, peripheral region brightness is low
Laser and LED are combined together by surface of light source well, one are formed, so as to meet the distance light of headlight for vehicles well
Lighting demand, and the light source module group is compact-sized, small in size, the rapid heat dissipation of occupancy, long service life, effect stability is reliable.
Although the embodiments of the present invention is illustrated in specification, these embodiments are intended only as mentioning
Show, should not limit the protection scope 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 protection scope of the utility model.
Claims (10)
1. a kind of light source module group of high brightness, which is characterized in that described including substrate, laser light source module and LED light source component
Laser light source module includes laser source and the optical maser wavelength conversion layer on the substrate, the LED light source component include by
Under the supreme LED chip being sequentially arranged on the substrate and LED wavelength conversion layer, the LED light source component at least provided with two,
It is distributed in around optical maser wavelength conversion layer.
2. the light source module group of high brightness according to claim 1, which is characterized in that the substrate is ceramic substrate.
3. the light source module group of high brightness according to claim 1, which is characterized in that the LED wavelength conversion layer is fluorescence
The glass flourescent sheet or ceramic fluorescent piece that the silica gel flourescent sheet or fluorescent powder and glass matrix that powder and silica gel are mixed to form are formed.
4. the light source module group of high brightness according to claim 1, which is characterized in that optical maser wavelength conversion layer cross section
Size be less than LED wavelength conversion layer cross section size.
5. the light source module group of high brightness according to claim 1, which is characterized in that the optical maser wavelength conversion layer is ceramics
Flourescent sheet.
6. the light source module group of high brightness according to claim 5, which is characterized in that be equipped with one below the ceramic fluorescent piece
Layer reflectance coating, the reflectance coating are multilayer dielectric film or metallic reflective coating.
7. the light source module group of high brightness according to claim 5, which is characterized in that be equipped with above the ceramic fluorescent piece white
Color diffusion layer, the white diffusion layer includes quartz particles or alumina particle or titan oxide particles.
8. the light source module group of high brightness according to claim 1, which is characterized in that the optical maser wavelength conversion layer and LED
The periphery packet of light source assembly is equipped with diffusing reflection layer.
9. the light source module group of high brightness according to claim 1, which is characterized in that the optical maser wavelength conversion layer includes glass
The phosphor powder layer and aluminium oxide ceramics substrate of glass matrix.
10. the light source module group of high brightness according to claim 9, which is characterized in that the phosphor powder layer of the glass matrix
Thickness be less than 0.1mm, the aluminium oxide ceramics substrate with a thickness of 0.1-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920263406.7U CN209279066U (en) | 2019-03-01 | 2019-03-01 | A kind of light source module group of high brightness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920263406.7U CN209279066U (en) | 2019-03-01 | 2019-03-01 | A kind of light source module group of high brightness |
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| CN209279066U true CN209279066U (en) | 2019-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737353A (en) * | 2019-03-01 | 2019-05-10 | 苏州晶清光电科技有限公司 | A kind of light source module group of high brightness |
| WO2022095005A1 (en) * | 2020-11-09 | 2022-05-12 | 新沂市锡沂高新材料产业技术研究院有限公司 | Solid-state illumination light source with high brightness and adjustable color temperature |
-
2019
- 2019-03-01 CN CN201920263406.7U patent/CN209279066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737353A (en) * | 2019-03-01 | 2019-05-10 | 苏州晶清光电科技有限公司 | A kind of light source module group of high brightness |
| WO2022095005A1 (en) * | 2020-11-09 | 2022-05-12 | 新沂市锡沂高新材料产业技术研究院有限公司 | Solid-state illumination light source with high brightness and adjustable color temperature |
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