CN207975590U - Has the laser vehicle lamp light source module of light ringing - Google Patents
Has the laser vehicle lamp light source module of light ringing Download PDFInfo
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- CN207975590U CN207975590U CN201820436307.XU CN201820436307U CN207975590U CN 207975590 U CN207975590 U CN 207975590U CN 201820436307 U CN201820436307 U CN 201820436307U CN 207975590 U CN207975590 U CN 207975590U
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- light
- laser
- polarizer
- source module
- vehicle lamp
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Abstract
It is a kind of tool light ringing laser vehicle lamp light source module, include sequentially：Several laser optical transmitting sets, several collimators, a smooth circulator, a liquid crystal display panel and an optical lens.The light circulator sequentially has：One filter, one first polarizer, one first reflector, a wavelength conversion layer, one second reflector and one second polarizer.Thereby, laser light caused by such laser optical transmitting set can generate the white light for having a predetermined polarisation by iterative cycles in the light circulator, so that the liquid crystal display panel generates scheduled image, and be imaged by the lens projects.
Description
Technical field
The utility model especially has the laser vehicle lamp light source module of light ringing about a kind of lighting device.
Background technology
Automobile lighting, be with the relevant project of traffic safety, with lighting apparatus used in vehicle and technology so that vehicle
It is not only more bright with lighting device, it can more increase the active safety of driving, while also more saving electric power.
By taking Vehicular headlamps as an example：By the light bulb of early stage, progress is led to xenon is filled in quartz burner with the voltage of superelevation
Electricity, the arc excitation generated using gas discharge go out the HID of radiance, the LED that progress shines to semiconductor principle again later.Closely
Come, laser head lamp becomes the direction of major depot development again.Compared with LED car lamp, provisioned in laser car light can have 1.5
Times visual cognition distance, therefore safety can be further increased, it is often more important that, the same brightness of light-emitting area ratio of laser light source
LED is compared, only its 1/10, brightness density is up to 2.5 times, therefore laser light source can reduce the size and weight of headlight.
However, there are still many problems for laser head lamp, such as：The problems such as shatter-proof heat-resisting reliability and heat dissipation, it is
Industry personnel are needed to make great efforts improved part.
Utility model content
The purpose of this utility model is to provide a kind of laser vehicle lamp light source module of tool light ringing, and light profit can be improved
With rate and reduce hot generation.
To achieve the above object, the utility model takes following technical scheme：
The utility model disclose it is a kind of tool light ringing laser vehicle lamp light source module include sequentially：At least one thunder
Optical transmitting set, a smooth circulator, a liquid crystal display panel and an optical lens are penetrated, wherein：Laser optical transmitting set generation has
The laser light of predetermined wavelength range；The light circulator sequentially has from the laser optical transmitting set toward the direction of the liquid crystal display panel：
One first polarizer, one first reflector, a wavelength conversion layer, one second reflector and one second polarizer, wherein：It should
First polarizer makes the laser light with a predetermined polarisation pass through first polarizer；First reflector will come from this first
The light of polarizer reflexes to the wavelength conversion layer, and the light from the wavelength conversion layer is reflexed to first polarization
Device；The laser light is changed into white light by the wavelength conversion layer；Second reflector reflects the light from the wavelength conversion layer
The wavelength conversion layer is reflexed to second polarizer, and by the light from second polarizer；And second polarization
Device makes the white light with the predetermined polarisation pass through second polarizer；Having for the light circulator is left in liquid crystal display panel reception
The white light of the predetermined polarisation, to generate a scheduled image；And the optical lens receives the white light from the liquid crystal display panel
With projection imaging.
The laser vehicle lamp light source module of the tool light ringing, has further included at least collimator, has been located at the thunder
It penetrates between transmitter and the smooth circulator, to collimate the laser light that the laser optical transmitting set is sent out.
The light circulator has more a filter, between first polarizer and the laser optical transmitting set,
The laser light other than one predetermined wavelength threshold value is filtered out.
The filter is a low pass filter.
First reflector have a hollow tube-shape object, diameter by close to the wavelength conversion layer one end, it is past
Gradually increase close to one end of first polarizer.
It is a paraboloid that first reflector, which has a hollow tube-shape object, inner surface,.
Second reflector have a hollow tube-shape object, diameter by close to the wavelength conversion layer one end, it is past
Gradually increase close to one end of second polarizer.
It is a paraboloid that second reflector, which has a hollow tube-shape object, inner surface,.
There is scheduled phosphor powder, to excite the laser light for the white light in the wavelength conversion layer.
The utility model has the beneficial effects that：It is with according to disclosed above structure, the revealed tool of the utility model
The laser vehicle lamp light source module of light ringing is remarkably improved light utilization efficiency and reduces the generation of heat.
Description of the drawings
Fig. 1 is the schematic diagram of one preferred embodiment of the utility model.
Fig. 2 is the sectional view of one preferred embodiment of the utility model.
Drawing reference numeral：10：Light source module；12：Car light；14：Pedestal；16：Lampshade；18：Echo area；20：Laser light emitting
Device；22：Collimator；24：Light circulator；26：Liquid crystal display panel；28：Optical lens；30：Filter；32：First polarizer；
34：First reflector；36：Wavelength conversion layer；38：Second reflector；40：Second polarizer.
Specific implementation mode
Refering to Figure 1, the laser car light for the tool light ringing that one preferred embodiment of the utility model is provided
Source module 10 is used in the car light 12 of a vehicle, which has a pedestal 14, a lampshade 16 and two light sources
Module 10.There are two the echo areas 18 at concave arc shape for the pedestal 12 tool.The lampshade 16 and is connected with made by transparent material
In the pedestal 14, make to form a space between the pedestal and the lampshade.Two light source module 10 is set on the pedestal 14, is not existed
In two echo area 18.
It please refers to shown in Fig. 2, respectively the light source module 10 sequentially has：A plurality of laser optical transmitting sets 20 and such laser
Collimator (collimator) 22, a smooth circulator 24, a liquid crystal display panel (liquid of the optical transmitting set 20 with quantity
Crystal panel) 26 and an optical lens (projection lens) 28.
In the present embodiment, such laser optical transmitting set 20 be blue laser light optical transmitting set, can launch wavelength between 360
Blue laser light between 480 nanometers (nm).Such collimator 22 that there are one the front settings of each laser optical transmitting set 20,
Such collimator 22 collimates the blue laser light that such laser optical transmitting set 20 is sent out respectively, it is made to change into less parallel light
Form, with enter the light circulator 24.
The light circulator 24 sequentially has a filter (filter) 30, one first polarizer (first
Polarizer) 32, one first reflector (first reflector), 34, one wavelength conversion layer (phosphor layer) 36,
One second reflector (second reflector) 38 and one second polarizer (second polarizer) 40.
The filter 30 that the light circulator 24 can be reached first by the blue laser light of such collimator 22, to
Blue laser light other than one predetermined wavelength threshold value is filtered out.In the present embodiment, which is a low pass filter
(short pass filter), only allows specific wavelength laser light ray below to pass through.
First polarizer 32 can be then arrived at by the parallel blue laser light of such collimator 30, makes have one to make a reservation for
The blue laser light of polarizability can pass through first polarizer 32.Then the blue laser light meeting direction of the predetermined polarisation should
Wavelength conversion layer 36 advances.
First reflector 34 is set between first polarizer 32 and the wavelength conversion layer 36, will come from this first partially
The blue laser light of device 32 of shaking reflexes to the wavelength conversion layer 36, and the blue laser light from the wavelength conversion layer 36 is anti-
It is incident upon first polarizer 32.The reflection path in this place, it may be possible to primary event through the first reflector 34 or repeatedly
Reflection just reaches purpose.In the present embodiment, which is a hollow tube-shape object, and diameter is by close to the wavelength
One end of conversion layer 36 gradually increases toward one end close to first polarizer 32.In details of the words, which is one
Compound parabolic concentrator (Compound Parabolic Concentrator), that is, the hollow tube-shape object interior table
Face is a paraboloid, can assemble the blue laser light from first polarizer 32 to the wavelength conversion layer 36, also can be in the future
From the white light reflection of the wavelength conversion layer 36 to first polarizer 32.
The wavelength of the changeable blue laser light passed through of the wavelength conversion layer 36, to generate white light.In the present embodiment, should
There is scheduled phosphor powder in wavelength conversion layer 36, be white light to excite the blue laser light.When the blue laser light is at this
After being excited in wavelength conversion layer 36, the white light of part can be advanced through the wavelength conversion layer 36, toward second polarizer 38
Advance in direction；Partial white light is then reflected, and is advanced toward the direction of first polarizer 32.
The white light that is reflected can directly or the reflection through first reflector 34 and directive first polarizer 32.This
One polarizer 32 can reflect the white light of the non-predetermined polarisation, and the white light for having the predetermined polarisation is allowed to pass through.By this first
The white light of polarizer 32 can reach the filter 30, which can reflect the white light other than the predetermined wavelength threshold value.By this
The white light that filter 30 reflects can be again by first polarizer, and advances toward the wavelength conversion layer 36.
By the white light of the wavelength conversion layer 36 can directly or by the reflection through second reflector 38 directive this second
Polarizer 40.In the present embodiment, second reflector 38 is identical as first reflector 34, is a composite parabolic optically focused
Device, diameter toward one end close to second polarizer 40 by close to one end of the wavelength conversion layer 36, gradually increasing.This second
Polarizer 40 is identical as first polarizer 32, make with the predetermined polarisation white light can by second polarizer 40,
And leave the light circulator 24.
The white light of the non-predetermined polarisation can then be reflected by second polarizer 40, and be advanced toward the wavelength conversion layer 36.
Then, the white light of part by wavelength conversion layer 36 toward first polarizer 32, the white light of part be then reflected back toward this
Two polarizers 40.
The effect of the foregoing description can be repeated in light, make the most thunder caused by such laser optical transmitting set 20
Penetrate light and can be changed into the white light for having the predetermined polarisation and the directive liquid crystal display panel 26.
It can pass through the liquid crystal display panel 26 by the white light for having the predetermined polarisation of the light circulator 24, it is predetermined to generate one
Image (not shown), later using 28 projection imaging of optical lens.
It is to sum up discussed, the utility model utilizes the light circulator, enables most caused by such laser optical transmitting set
Laser light can be changed into the white light with the predetermined polarisation, to improve light utilization efficiency, and then reduce energy loss and reduce
The generation of heat.
Above-described embodiment is only the technology and its effect that the utility model is illustrated, new not for this practicality is limited
Type.It is any it is ripe can be without prejudice to the technical principle and spirit of the utility model, to above-mentioned in technique personage
Embodiment is modified and is changed, therefore the rights protection scope of the utility model answers claim institute as described later
Row.
Claims (9)
1. a kind of laser vehicle lamp light source module of tool light ringing, which is characterized in that include sequentially：At least one laser light
Transmitter, a smooth circulator, a liquid crystal display panel and an optical lens, wherein：
The laser optical transmitting set generates the laser light with predetermined wavelength range；
The light circulator sequentially has from the laser optical transmitting set toward the direction of the liquid crystal display panel：One first polarizer, one
One reflector, a wavelength conversion layer, one second reflector and one second polarizer, wherein：
First polarizer makes the laser light with a predetermined polarisation pass through first polarizer；
Light from first polarizer is reflexed to the wavelength conversion layer by first reflector, and will be come from the wavelength and be turned
The light for changing layer reflexes to first polarizer；
The laser light is changed into white light by the wavelength conversion layer；
Light from the wavelength conversion layer is reflexed to second polarizer by second reflector, and will come from this second partially
The light of device of shaking reflexes to the wavelength conversion layer；And
Second polarizer makes the white light with the predetermined polarisation pass through second polarizer；
The liquid crystal display panel receives the white light with the predetermined polarisation for leaving the light circulator, to generate a scheduled image；
And
The optical lens receives the white light from the liquid crystal display panel with projection imaging.
2. it is according to claim 1 tool light ringing laser vehicle lamp light source module, which is characterized in that further included to
Few collimator is sent out between the laser transmitter and the smooth circulator with collimating the laser optical transmitting set
The laser light gone out.
3. the laser vehicle lamp light source module of tool light ringing according to claim 1, which is characterized in that the light cycle
Device have more a filter, between first polarizer and the laser optical transmitting set, by a predetermined wavelength threshold value with
The outer laser light filters out.
4. the laser vehicle lamp light source module of tool light ringing according to claim 3, which is characterized in that the filter
For a low pass filter.
5. the laser vehicle lamp light source module of tool light ringing according to claim 1, which is characterized in that described first is anti-
Emitter has a hollow tube-shape object, and diameter is by close to one end of the wavelength conversion layer, past close first polarizer
One end gradually increase.
6. the laser vehicle lamp light source module of tool light ringing according to claim 1, which is characterized in that described first is anti-
It is a paraboloid that emitter, which has a hollow tube-shape object, inner surface,.
7. the laser vehicle lamp light source module of tool light ringing according to claim 1, which is characterized in that described second is anti-
Emitter has a hollow tube-shape object, and diameter is by close to one end of the wavelength conversion layer, past close second polarizer
One end gradually increase.
8. the laser vehicle lamp light source module of tool light ringing according to claim 1, which is characterized in that described second is anti-
It is a paraboloid that emitter, which has a hollow tube-shape object, inner surface,.
9. the laser vehicle lamp light source module of tool light ringing according to claim 1, which is characterized in that the wavelength turns
Changing has scheduled phosphor powder in layer, to excite the laser light for the white light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436307.XU CN207975590U (en) | 2018-03-29 | 2018-03-29 | Has the laser vehicle lamp light source module of light ringing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436307.XU CN207975590U (en) | 2018-03-29 | 2018-03-29 | Has the laser vehicle lamp light source module of light ringing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975590U true CN207975590U (en) | 2018-10-16 |
Family
ID=63763865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820436307.XU Expired - Fee Related CN207975590U (en) | 2018-03-29 | 2018-03-29 | Has the laser vehicle lamp light source module of light ringing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319415A (en) * | 2018-03-29 | 2019-10-11 | 坦德科技股份有限公司 | Has the laser vehicle lamp light source module of light ringing |
-
2018
- 2018-03-29 CN CN201820436307.XU patent/CN207975590U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319415A (en) * | 2018-03-29 | 2019-10-11 | 坦德科技股份有限公司 | Has the laser vehicle lamp light source module of light ringing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20210329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |