CN104279485B - Lamps apparatus for vehicle - Google Patents

Lamps apparatus for vehicle Download PDF

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Publication number
CN104279485B
CN104279485B CN201410322886.1A CN201410322886A CN104279485B CN 104279485 B CN104279485 B CN 104279485B CN 201410322886 A CN201410322886 A CN 201410322886A CN 104279485 B CN104279485 B CN 104279485B
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CN
China
Prior art keywords
light
distribution patterns
optical component
light source
forming portion
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.)
Active
Application number
CN201410322886.1A
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Chinese (zh)
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CN104279485A (en
Inventor
八木隆之
山村聪志
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Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
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Publication date
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Publication of CN104279485A publication Critical patent/CN104279485A/en
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Publication of CN104279485B publication Critical patent/CN104279485B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/18—Combination of light sources of different types or shapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10—Indexing codes relating to particular vehicle conditions
    • B60Q2300/12—Steering parameters
    • B60Q2300/122—Steering angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/32—Road surface or travel path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/50—Projected symbol or information, e.g. onto the road or car body

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The present invention relates to a kind of lamps apparatus for vehicle, including：Light source (10)；The light distribution patterns forming portion (30) constituted by arranging multiple optical elements；With optical component (20), the optical component is to light distribution patterns forming portion (30) the radiation source light.The optical component (20) irradiates the light source light to the light distribution patterns forming portion (30), to cause to be formed the specific Illumination Distribution for including the first illumination region (R1) and the second illumination region (R2) with more low-light (level).The light distribution patterns forming portion (30) utilizes the optical element Chong Die with the first illumination region (R1) to irradiate the light for forming specific first light distribution patterns, and utilize the optical element Chong Die with the second illumination region (R2) to irradiate the light for second light distribution patterns of the formation with more low-light (level), or the optical element Chong Die with the second illumination region is in non-irradiated state.

Description

Lamps apparatus for vehicle
Technical field
The present invention relates to a kind of lamps apparatus for vehicle.
Background technology
Japanese Patent Application No.2008-143510 (JP 2008-143510A) describes a kind of self adaptation with spectrum System, the self adaptation light distributing system includes light source, the MEMS (MEMS) of luminous intensity distribution is controlled by reflecting the light from light source Mirror, and light collecting lens.The Open-Close operation that the self adaptation light distributing system passes through each micro mirror in the multiple micro mirrors for performing MEMS mirror To form desired light distribution patterns.
In the common lamps apparatus for vehicle including MEMS mirror, there is substantially uniform brightness to micro mirror array irradiation Light, light is reflected by the micro mirror in open state towards the front of light fixture, and light is by the micro mirror in off status towards light absorbing material Reflection, thereby forms desired light distribution patterns in the front of light fixture.According to the technology, can strengthen and form the flexible of light distribution patterns Property, but there is room for improvement in terms of light utilization efficiency in the lamps apparatus for vehicle.
The content of the invention
The invention provides the lamps apparatus for vehicle that can improve the light utilization efficiency in lamps apparatus for vehicle.
The first aspect of the present invention is related to a kind of lamps apparatus for vehicle, the lamps apparatus for vehicle to include：Light source；It is many by arranging Individual optical element and the light distribution patterns forming portion that constitutes, wherein each optical element can be in irradiating state and non-irradiated states Switch and at least one of dimming condition between, the light source light sent by the light source under the irradiating state is towards the lamp The front irradiation of tool, the light source light is not irradiated towards the front of the light fixture under the non-irradiated state, in the dim light shape The amount ratio that the light source light is irradiated towards the front of the light fixture under state is small under the irradiating state；And optical component, the light Department of the Chinese Academy of Sciences's part irradiates the light source light to the light distribution patterns forming portion.The optical component irradiates to the light distribution patterns forming portion The light source light, the first illumination region is included and with than the described first photograph to cause to be formed in the light distribution patterns forming portion Spend the specific Illumination Distribution in the second illumination region of the low illumination of illumination in region.The light distribution patterns forming portion utilize with it is described The optical element that first illumination region overlaps is irradiated for forming specific first light distribution patterns towards the front of the light fixture Light.Additionally, the light distribution patterns forming portion is using the optical element Chong Die with the second illumination region towards the lamp The light for forming the second light distribution patterns with the illumination lower than the illumination of first light distribution patterns is irradiated in the front of tool, or Person makes the optical element Chong Die with the second illumination region be in the non-irradiated state.According to this aspect, can improve Light utilization efficiency in lamps apparatus for vehicle.
The light distribution patterns forming portion can make at least one of the optical element Chong Die with the first illumination region Office is in the irradiating state and remaining optical element Chong Die with the first illumination region is in the non-irradiated state, To form specific first light distribution patterns.The lamps apparatus for vehicle may also include optical component displaced portions, the optical section Part displaced portions by shift the optical component come in making the first illumination region and the second illumination region at least Displacement of the one in the light distribution patterns forming portion.Accordingly, it is capable to improve the visuality of driver.Additionally, the light source The first light source and secondary light source are may include, first light source is emitted in the light distribution patterns forming portion and forms first photograph The light in region is spent, the secondary light source is emitted in the light distribution patterns forming portion light for forming the second illumination region；And And the light distribution patterns forming portion can utilize the optical element Chong Die with the first illumination region to form described first Light distribution patterns, and second light distribution patterns are formed using the optical element Chong Die with the second illumination region.Cause This, more easily can form Illumination Distribution in light distribution patterns forming portion.
The optical component may include the first optical component and the second optical component, and first optical component is matched somebody with somebody to described Light pattern forming portion irradiates the light of first light source, and second optical component is described to light distribution patterns forming portion irradiation The light of secondary light source.In this case, the lamps apparatus for vehicle may also include the first optical component displaced portions and the second optical section At least one of part displaced portions, the first optical component displaced portions are made described by shifting first optical component Displacement of the first illumination region in the light distribution patterns forming portion, the second optical component displaced portions are described by making Second optical component shifts to make displacement of the second illumination region in the light distribution patterns forming portion.Additionally, can Make the position in the first illumination region by the first optical component displaced portions and the second optical component displaced portions Position with the second illumination region shifts independently of one another.Accordingly, it is capable to increase the type of the light distribution patterns that can be formed Quantity.Additionally, the light source may include red laser light source, green laser light source and blue laser light source, and it is each described sharp The emissive porwer of radiant can be adjusted independently of one another.Accordingly, it is capable to improve the highlighting and therefore light distribution patterns of light distribution patterns Visuality is improved.
The second aspect of the present invention is related to a kind of lamps apparatus for vehicle, the lamps apparatus for vehicle to include：Light source；It is many by arranging Individual optical element and the light distribution patterns forming portion that constitutes, wherein each optical element can be in irradiating state and non-irradiated states Switch and at least one of dimming condition between, the light source light sent by the light source under the irradiating state is towards the lamp The front irradiation of tool, the light source light is not irradiated towards the front of the light fixture under the non-irradiated state, in the dim light shape The amount ratio that the light source light is irradiated towards the front of the light fixture under state is small under the irradiating state；Optical component, the optics Part irradiates the light source light to the light distribution patterns forming portion；With optical component displaced portions, the optical component displaced portions make The optical axis displacement of the optical component.The optical component can have reflecting surface, and the optical component displaced portions can make institute State reflecting surface displacement.Equally, according to this aspect, the light utilization efficiency in lamps apparatus for vehicle can be improved.
According to the present invention, there is provided the lamps apparatus for vehicle of the light utilization efficiency in lamps apparatus for vehicle can be improved.
Brief description of the drawings
Feature, advantage and the technology and industrial significance of exemplary embodiment of the invention are illustrated below with reference to accompanying drawings, Reference similar in the accompanying drawings represents similar key element, and wherein：
Fig. 1 is the vertical sectional view of the schematic structure for showing the lamps apparatus for vehicle according to first embodiment；
Fig. 2 is the perspective view of the internal structure for schematically showing the lamps apparatus for vehicle according to first embodiment；
Fig. 3 is the sectional view of the schematic structure for showing light source；
Fig. 4 A and 4B are the signals for showing the example by the light distribution patterns formed according to the lamps apparatus for vehicle of first embodiment Figure；
Fig. 5 A and 5B are the signals for showing the example by the light distribution patterns formed according to the lamps apparatus for vehicle of first embodiment Figure；
Fig. 6 A to 8B are the signals for showing the example by the light distribution patterns formed according to the lamps apparatus for vehicle of first embodiment Figure；
Fig. 9 is the vertical sectional view of the internal structure for schematically showing the lamps apparatus for vehicle according to second embodiment；
Figure 10 is the perspective view of the internal structure for schematically showing the lamps apparatus for vehicle according to second embodiment；
Figure 11 A and 11B are to show showing by the example of the light distribution patterns formed according to the lamps apparatus for vehicle of second embodiment It is intended to；
Figure 12 A and 12B are to show showing by the example of the light distribution patterns formed according to the lamps apparatus for vehicle of second embodiment It is intended to；And
Figure 13 A are the vertical sectional views of the internal structure for schematically showing the lamps apparatus for vehicle according to 3rd embodiment, And Figure 13 B are the perspective views of the internal structure for schematically showing the lamps apparatus for vehicle according to 3rd embodiment.
Specific embodiment
Hereinafter, the present invention is illustrated based on embodiment with reference to the accompanying drawings.Same or equivalent component shown in the drawings, Part and treatment are indicated by the same numbers and will suitably omit its repeat specification.Additionally, embodiment is not intended to limit The scope of the present invention, and be illustrative.The all features and combination illustrated in embodiment are not necessarily for the purpose of the present invention Essential.
(first embodiment)
Fig. 1 is the vertical sectional view of the schematic structure for showing the lamps apparatus for vehicle according to first embodiment.Fig. 2 is to illustrate The perspective view of the internal structure of lamps apparatus for vehicle according to first embodiment is shown to property.According to the lamps apparatus for vehicle of the present embodiment 1 is the vehicle headlamp apparatus for having left and right configuration in a pair of headlamps of vehicle front.Except the knot of headlamp Structure is each other outside mirror image, and headlamp has a same structure, and shone before that therefore Fig. 1 shows in headlamp Lamp unit is used as lamps apparatus for vehicle 1.
Lamps apparatus for vehicle 1 is included in vehicle front side to be had the lamp body 2 of opening portion and is mounted to cover the opening portion of lamp body 2 Transparent cover 4.Transparent cover 4 is formed by light-transmissive resin or glass.Light source 10, optical component 20, light distribution patterns forming portion 30, Optical component displaced portions 40 and projecting lens 50 are accommodated in the lamp house 3 formed by lamp body 2 and transparent cover 4.Each component is utilized Unshowned supporting device is arranged on lamp body 2.
The light source 10 of the present embodiment by such as laser diode, solid-state laser or gas laser laser device structure Into.Laser has briliancy high and high directivity, and therefore can be conducive to constituting light source 10 and in luminous intensity distribution by by laser device Illumination Distribution described later is formed in pattern forming portion 30.Fig. 3 is the sectional view of the schematic structure for showing light source.As shown in figure 3, Light source 10 has blue laser light source 102, green laser light source 104, red laser light source 106, radiator 110, the first lens 112nd, the second lens 114, the 3rd lens 116, light integrator 120 and light collecting portion 200.In figure 3, by laser diode structure Into blue laser light source 102, green laser light source 104 and red laser light source 106 be illustrated as an example.
Blue laser light source 102 sends blue laser B, and green laser light source 104 sends green laser G, and red laser Light source 106 sends red laser R.Blue laser light source 102, green laser light source 104 and red laser light source 106 are installed in together On one substrate.Radiator 110 is connected with the back side of the substrate.In first lens 112, the second lens 114 and the 3rd lens 116 Each is all made up of such as collimation lens.Blue laser B is transformed to directional light by the first lens 112, and the second lens 114 will be green Color laser G is transformed to directional light, and red laser R is transformed to directional light by the 3rd lens 116.
Light collecting portion 200 guides optics product into by blue laser B, green laser G together with red laser R constrictions and by them Divide device 120.Light collecting portion 200 has the first dichronic mirror 202, the second dichronic mirror 204 and the 3rd dichronic mirror 206.First dichronic mirror 202 Towards the reflection blue laser B of light integrator 120.Second dichronic mirror 204 is allowed towards the reflection green laser G of light integrator 120 Blue laser B passes through the second dichronic mirror 204.3rd dichronic mirror 206 reflects red laser R towards light integrator 120, and allows indigo plant Color laser B and green laser G passes through the 3rd dichronic mirror 206.Blue laser B, green laser G and red laser R are by light collecting portion 200 Constriction together, and towards light integrator 120 advance by bundles of RGB laser.Light integrator 120 is entrenched in and is arranged at light source In opening 101 in 10 housing.Blue laser B, green laser G and red laser R are mixed and homogeneous by light integrator 120 Change, and thus produce white laser W.White laser W advances from light integrator 120 towards optical component 20.
The emissive porwer of blue laser light source 102, green laser light source 104 and red laser light source 106 can be independent of one another Ground regulation.Therefore, lamps apparatus for vehicle 1 can irradiate the laser of desired color towards the front of light fixture.By according to matching somebody with somebody for being formed The type of light pattern changes the color of the light source light to form light distribution patterns, and driver visually recognizes that light distribution patterns become to hold Easily.That is, the highlighting of light distribution patterns can be strengthened and driver is reminded.
Optical component 20 is the part for irradiating the light source light sent from light source 10 to light distribution patterns forming portion 30.This reality The lamps apparatus for vehicle 1 for applying example includes two optical components 20A and 20B.Each of optical component 20A and 20B are by for example Level crossing is constituted.Position relationship between optical component 20A and 20B is determined to be so that optical component 20A is towards optical component 20B The light that reflection sends from light source 10, and optical component 20B irradiates what is reflected by optical component 20A to light distribution patterns forming portion 30 Light.
Optical component displaced portions 40 are the parts for shifting optical component 20A and 20B.It is arranged at optical component 20A Optical component displaced portions 40 shift the reflecting surface of optical component 20A, with cause to light distribution patterns forming portion 30 irradiate light Shifted along the above-below direction (for example, vertical direction) of light fixture.The optical component displaced portions 40 for being arranged at optical component 20B make optics The reflecting surface displacement of part 20B, to cause to the light of the irradiation of light distribution patterns forming portion 30 along the left and right directions of light fixture (for example, water Square to) displacement.Optical component displaced portions 40 can for example by the pivot and stepper motor etc. of supporting optical part 20 The actuator that swings of optical component 20 for making to be supported by pivot constitute.Note, optical component 20A and optics can be only set One of part 20B.In this case, optical component displaced portions 40 shift into optical component so that being formed to light distribution patterns The light of the irradiation of portion 30 is shifted along the above-below direction and left and right directions of light fixture.
Light distribution patterns forming portion 30 is constituted by arranging multiple optical elements.Each optics of light distribution patterns forming portion 30 The state that element can irradiate in the light source light sent by light source towards the front of light fixture (is hereinafter properly termed as " irradiation State ") and " non-irradiated (is hereinafter properly termed as by the state that the light source light that light source sends is not irradiated towards the front of light fixture State ") switch and at least one of dimming condition between, light source light is irradiated towards the front of light fixture under the dimming condition Amount is smaller than under irradiating state.The light distribution patterns forming portion 30 of the present embodiment is made up of MEMS mirror array.The knot of MEMS mirror array Structure is it is well known that and therefore by description is omitted.Light distribution patterns forming portion 30 can be by being used as optical element Each micro mirror power supply break-make between switching and light irradiate to light distribution patterns forming portion 30 towards light fixture front reflection Irradiating state and the non-irradiated state that is reflected towards light absorbing material of light between switch.By micro mirror towards light fixture under irradiating state The light of front reflection enters configuration in the projecting lens 50 in the front of light distribution patterns forming portion 30.Note, can by per unit when Between light source light be defined as irradiating state towards the time state most long that the front of light fixture is irradiated by micro mirror, the time second can be grown State be defined as dimming condition, and the time most short state can be defined as non-irradiated state.In this case, MEMS Each micro mirror of lens array can be in irradiating state, dimming condition and non-irradiated state.
For example by saturating with the projection for being formed in the preceding surface of free form surface shape and the free-form surface lens on rear surface The light source image that mirror 50 will be formed in including on the back focal plane of the rear focus of projecting lens 50 is projected as reverse image Onto the virtual vertical screen positioned at the front of light fixture.Projecting lens 50 is arranged so that its rear focus is positioned at vehicle lamp On the optical axis of tool 1 and near the light emitting surface (reflecting surface of micro mirror array) of light distribution patterns forming portion 30.
The light sent from light source 10 is reflected by optical component 20A and 20B, and to the micro mirror array of light distribution patterns forming portion 30 Irradiation.Here, light source light is irradiated in light distribution patterns forming portion 30 in distribution form.Therefore, as shown in Fig. 2 in light distribution patterns In forming portion 30, formation includes the first illumination region R1 and the second illumination region with the illumination lower than the first illumination region R1 The specific Illumination Distribution of R2.In the present embodiment, the first illumination region R1 is the region that light source light is irradiated to it, and the second illumination Region R2 is the region that light source light is not irradiated substantially to it.For example, the first illumination region R1 and below the second illumination region R2 The mode in face is formed.That is, the collection luminosity (diffusance) of light source light by light source 10 the first lens 112, the second lens 114, Three lens 116, light integrator 120 and light collecting portion 200 and optical component 20A and/or optical component 20B are regulated so as to prevent Only light source light diffusion and the whole surface irradiation of the micro mirror array to light distribution patterns forming portion 30.Therefore, light source light is to luminous intensity distribution figure Case forming portion 30 is partly irradiated, and forms the first illumination region R1 and the second illumination region R2.
Then, light distribution patterns forming portion 30 is irradiated using the front of micro mirror light fixture tomorrow Chong Die with the first illumination region R1 Light for forming specific light distribution patterns.The micro mirror Chong Die with the second illumination region R2 is in non-irradiated state.Here, luminous intensity distribution Pattern forming portion 30 can make a part for the micro mirror Chong Die with the first illumination region R1 be in irradiating state with towards before light fixture Side is irradiated for forming the light of light distribution patterns, and remaining micro mirror Chong Die with the first illumination region R1 is in non-irradiated state, To be consequently formed specific light distribution patterns shape.The light distribution patterns formed by lamps apparatus for vehicle 1 are will be explained in after a while.
The regulation of the emissive porwer of each LASER Light Source of light source 10, the driving of optical component displaced portions 40 and light distribution patterns shape Open-Close operation into each micro mirror in portion 30 is performed by control unit 300.Control unit 300 is as hardware configuration by such as computer The element and circuit realiration of CPU and memory, and realized by computer program etc. as software configuration.Note, although in Fig. 1 Control unit 300 is arranged on the outside of lamp house 3, but control unit 300 may also be arranged in lamp house 3.Control unit 300 from image pickup Image processing apparatus 310, rotation direction sensor 320, navigation system 330 and unshowned lamp switch that device 312 is connected etc. are received Signal.Various control signals are transferred to light source 10, the and of light distribution patterns forming portion 30 by control unit 300 according to received signal Optical component displaced portions 40.
Next, will be described for the light distribution patterns for forming the method for light distribution patterns and being formed by lamps apparatus for vehicle 1 Shape.Fig. 4 A, 4B, 5A and 5B are shown by the example of the light distribution patterns formed according to the lamps apparatus for vehicle of first embodiment Schematic diagram.Respectively illustrating in Fig. 4 A to 5B be formed in be configured in front of light fixture ad-hoc location (such as light fixture front 25m position Put) virtual vertical screen on light distribution patterns.
As shown in Fig. 2 the first illumination region R1 of substantially elliptical is formed in light distribution patterns forming portion 30.Shone first The micro mirror overlapped on degree region R1 is in irradiating state, and forms the light of the first illumination region R1 via projecting lens 50 towards lamp The front irradiation of tool.Therefore, as shown in Figure 4 A, the distance light light distribution patterns PH of substantially elliptical is formed.That is, the first illumination region R1 and distance light light distribution patterns PH are mutually substantially similar.Light distribution patterns forming portion 30 can be Chong Die with the first illumination region R1 by making Micro mirror among the micro mirror that is located on peripheral part be in non-irradiated state and make that distance light light distribution patterns PH's is clear-cut performing Treatment.The shape of distance light light distribution patterns PH is known, and therefore by description is omitted.
Additionally, lamps apparatus for vehicle 1 can make a part for the micro mirror Chong Die with the first illumination region R1 be in irradiating state And remaining micro mirror is in non-irradiated state, to be consequently formed in the light distribution patterns of intended shape.For example, as shown in Figure 4 B, energy So-called left distance light light distribution patterns PHL is formed, wherein the upper left in horizontal line H forms irradiated area and in horizontal line H Upper right formed lightproof area.Additionally, in addition to left distance light light distribution patterns PHL, moreover it is possible to form right distance light light distribution patterns, dipped beam Light distribution patterns and so-called segmentation light distribution patterns, wherein lightproof area are formed in the top center portion and illuminated area of horizontal line H Domain is formed in the both sides in the horizontal direction of lightproof area.
Additionally, as shown in Figure 5A, lamps apparatus for vehicle 1 can be Chong Die with other vehicles or pedestrians in distance light light distribution patterns PH Region in form lightproof area S.Accordingly, it is capable to the possibility for dazzling the eyes other vehicles or pedestrians is reduced, while can realize driving again The visual raising of the person of sailing.Fig. 5 A show that distance light light distribution patterns PH, wherein lightproof area S are formed overlap with opposed vehicle Position.For example can as follows form lightproof area S.
That is, image processing apparatus 310 obtain the view data obtained by the image pick-up device 312 of camera etc., And image procossing is performed to view data.Therefore, image processing apparatus 310 identify the vehicles or pedestrians that view data includes And detect its position.For recognize vehicles or pedestrians technology and for detect the technology of its position be it is well known that and because This will description is omitted.The positional information of detected vehicles or pedestrians is sent to control unit 300.Control unit 300 Light distribution patterns forming portion 30 is controlled into using the positional information of vehicles or pedestrians causes that lightproof area S is formed in distance light luminous intensity distribution figure There is the position of vehicles or pedestrians in case PH.Light distribution patterns forming portion 30 make among the micro mirror Chong Die with the first illumination region R1 with The corresponding micro mirrors of lightproof area S are in non-irradiated state.Therefore, lightproof area S is formed in distance light light distribution patterns PH.
Additionally, as shown in Figure 5 B, the shape of the road that lamps apparatus for vehicle 1 can be travelled for example according to the vehicle shape to make Into light distribution patterns displacement.Accordingly, it is capable to improve the visuality of driver.For example, the road in vehicle front is shaped as curve In the case of shape, shift into distance light light distribution patterns PH so that the irradiation of distance light light distribution patterns PH is not the front for guiding vehicle into, But guide the end (outlet) of the curve of crankcase ventilaton into.The displacement of above-mentioned light distribution patterns can be performed for example in the following manner.
That is, rotation direction sensor 320 sends the steering angle information of vehicle to control unit 300.Control unit 300 is according to from steering The steering angle that sensor 320 is obtained controls the driving of optical component displaced portions 40, so that in light distribution patterns forming portion 30 the One illumination region R1 is shifted.As shown in Figure 5 B, in the case where distance light light distribution patterns PH is shifted in the horizontal direction, control unit 300 The optical component displaced portions 40 of optical component 20B displacements are made by control so that optical component 20B rotates to make the first illumination area Domain R1 is shifted in the horizontal direction.Or, control unit 300 is using the road shape with vehicle front obtained from navigation system 330 The relevant information of shape come make the first illumination region R1 shift.
Additionally, lamps apparatus for vehicle 1 can form the various presentation of information light distribution patterns P1 to P3 shown in Fig. 6 A to 8B.Figure 6A to 8B is the schematic diagram for showing the example by the light distribution patterns formed according to the lamps apparatus for vehicle of first embodiment.Fig. 6 A, 7A With the situation respectively illustrated in front of light fixture in 8A, and the micro- of light distribution patterns forming portion 30 is respectively illustrated in Fig. 6 B, 7B and 8B Lens array.As shown in Fig. 6 B, 7B and 8B, in the case where presentation of information is formed with light distribution patterns P1 to P3, to light distribution patterns shape Collection luminosity into the light of the irradiation of portion 30 is set to the value higher than in the case where distance light light distribution patterns PH etc. is formed.Therefore, exist The less first illumination region R1 of area is formed in light distribution patterns forming portion 30.Additionally, control unit 300 is controlled and optical component 20A and 20B connection optical component displaced portions 40 so that the first illumination region R1 move in light distribution patterns forming portion 30 with it is each The presentation of information corresponding positions of light distribution patterns P1 to P3.
Then, among the micro mirror Chong Die with the first illumination region R1, with each presentation of information with light distribution patterns P1's to P3 The micro mirror of shape overlapped is in irradiating state, and remaining micro mirror is in non-irradiated state.Therefore, each presentation of information light distribution patterns P1 to P3 is formed in the front of light fixture.By forming presentation of information light distribution patterns P1 to P3, the driving of driver can be supported.This Outward, control unit 300 adjusts blue laser light source 102, the and of green laser light source 104 according to the type of the light distribution patterns to be formed The emissive porwer of red laser light source 106.For example, in the case where presentation of information is formed with light distribution patterns P1 to P3, from light source 10 send the laser in addition to white laser, such as red, blue or yellow laser.Accordingly, it is capable to enhancement information shows uses luminous intensity distribution Pattern P 1 to P3 highlighting.
For example, as shown in Figure 6 A and 6B, lamps apparatus for vehicle 1 can form instruction vehicle will in crosspoint of vehicle front etc. The sagittate presentation of information light distribution patterns P1 in the direction of traveling.In this case, for example, being registered in navigation system 330 Run routing information be sent to control unit 300, and control unit 300 can obtain what vehicle to be travelled based on the information Direction is determining the shape of the presentation of information to be formed by light distribution patterns forming portion 30 light distribution patterns P1.
Additionally, for example, as shown in figs. 7 a-b, lamps apparatus for vehicle 1 can be formed instruction from locality (such as destination or Next crosspoint that vehicle will turn right or turn left) distance numerical switch presentation of information light distribution patterns P2.This feelings Under condition, for example, the run routing information registered in navigation system 330 is sent to control unit 300, and the energy of control unit 300 The information with the distance dependent from locality is enough obtained based on the information to determine to be formed by light distribution patterns forming portion 30 The presentation of information shape of light distribution patterns P2.Note, presentation of information light distribution patterns P2 may indicate that such as external air temperature, Remaining fuel amounts, the speed limit of road and the numerical value with a distance from front vehicles etc..
Additionally, for example, as shown in figs. 8 a and 8b, lamps apparatus for vehicle 1 can be formed for informing driver before vehicle There is the presentation of information light distribution patterns P3 of the barrier of pedestrian etc. in side.In this case, the barrier of pedestrian etc. Positional information be sent to control unit 300 from such as image processing apparatus 310, and control unit 300 can be existed based on the information The position of barrier is formed about presentation of information light distribution patterns P3.
As described above, lamps apparatus for vehicle 1 according to the present embodiment includes being able in irradiating state and non-by arrangement Multiple optical elements for switching between irradiating state and the light distribution patterns forming portion 30 that constitutes, and optical component 20, the optical section Part 20 includes the of high illumination to the radiation source light of light distribution patterns forming portion 30 to cause to be formed in light distribution patterns forming portion 30 The specific Illumination Distribution of the second illumination region R2 of one illumination region R1 and low-light (level).Light distribution patterns forming portion 30 is utilized and first The optical element that illumination region R1 is overlapped is irradiated for forming the light of specific light distribution patterns towards the front of light fixture, and is made and second The optical element that illumination region R2 is overlapped is in non-irradiated state.
That is, lamps apparatus for vehicle 1 will be suppressed to the light quantity for being not used in the optical element irradiation to form light distribution patterns and be less than To the level for forming the light quantity that the optical element of light distribution patterns irradiates.Therefore, light distribution patterns to be formed with by being not used in Optical element irradiation and the light quantity identical light quantity to the optical element irradiation for forming light distribution patterns and inhaled by making light Material is received to absorb light and prevent the front irradiation light to light fixture and form the common lamps apparatus for vehicle phase of desired light distribution patterns Than that can reduce and be not used in the light quantity to form light distribution patterns.Therefore, the lamps apparatus for vehicle 1 according to the present embodiment, can improve vehicle use Light utilization efficiency in light fixture.
Additionally, the light quantity to the optical element irradiation for forming light distribution patterns can be increased, and therefore can further carry The illumination of light distribution patterns high.Accordingly, it is capable to further enhance the visuality of driver.Additionally, can reduce to the brightness required by light source Degree, and therefore can strengthen the flexibility of light source selection.Further, since lamps apparatus for vehicle 1 includes light distribution patterns forming portion 30 --- It includes multiple optical elements, therefore can freely change the shape of light distribution patterns.Accordingly, it is capable to increase the light distribution patterns that can be formed The quantity of type, while the raising of light utilization ratio can be realized.Note, can be Chong Die with the first illumination region R1 micro- by controlling The dutycycle of the Open-Close operation of a part for mirror is increasing the time of time per unit non-irradiated state and reduce towards before light fixture The light quantity (that is, by setting up above-mentioned dimming condition) of side's irradiation and low-light (level) region is formed in light distribution patterns.Accordingly, it is capable to increase The quantity of the type of the light distribution patterns that can be formed.
Additionally, lamps apparatus for vehicle 1 makes optical component 20 shift to make light distribution patterns by using optical component displaced portions 40 The first illumination region R1 displacements in forming portion 30.Accordingly, it is capable to the light distribution patterns irradiated towards the front of light fixture are shifted, and therefore The visuality of driver can further be improved.In common lamps apparatus for vehicle, make to match somebody with somebody by rotation or the whole light fixture of leveling Light pattern is shifted.In contrast, in the present embodiment, shifted in light distribution patterns forming portion 30 by making the first illumination region R1 To realize the displacement of light distribution patterns.Therefore, according to the present embodiment, the rotating mechanism or levelling gear of light fixture can be omitted, and therefore The simplification of the structure of lamps apparatus for vehicle and its reduction of manufacturing cost can be realized.
Additionally, as illustrated in fig. 1 and 2, optical component displaced portions 40 make the light of optical component 20 (being optical component 20B in figure) Axle O is shifted.Therefore, the position C for making optical axis O and light distribution patterns forming portion 30 overlap each other is moved in light distribution patterns forming portion 30 Position.In optical design, optical component 20 is designed such that the first illumination region R1 of high illumination is formed adjacent to optical section In the region of the optical axis O of part 20, and the second illumination region R2 of low-light (level) is formed in the region being spaced apart with optical axis O.It is this In the case of the illumination of the second illumination region R2 be not essentially 0, but the second illumination region R2 is the area with certain brightness Domain.In the shape fixed by the position of the first illumination region R1 in light distribution patterns forming portion 30 and the second illumination region R2 Make the region shifting of the optical element in irradiating state under state in the case of shifting light distribution patterns, to exist in irradiation shape The situation that the optical element group of state is removed from the first illumination region R1.In this case, the first illumination region R1 of high illumination Light is not used to form light distribution patterns, and therefore light utilization efficiency declines.Additionally, using the second illumination region R2 of low-light (level) Light forms light distribution patterns, and therefore the illumination of light distribution patterns declines.In contrast, in the present embodiment, optical component displacement Portion 40 moves the position C for making optical axis O and light distribution patterns forming portion 30 overlap each other according to the displacement of light distribution patterns, and therefore More light that can be in the case where light distribution patterns are shifted using the first illumination region R1 form light distribution patterns.Accordingly, it is capable to realize light The suppression that the raising of utilization rate and the illumination to light distribution patterns decline.
(second embodiment)
The structure of the lamps apparatus for vehicle according to second embodiment is except being provided with two light sources and corresponding with two light sources Optical component is outer substantially the same with the structure of the lamps apparatus for vehicle 1 according to first embodiment.With the component phase of first embodiment Same component is presented with like reference characters and by the description thereof will be omitted and diagram.Fig. 9 is schematically shown according to second The vertical sectional view of the internal structure of the lamps apparatus for vehicle of embodiment.Figure 10 is to schematically show the car according to second embodiment With the perspective view of the internal structure of light fixture.Figure 11 A, 11B, 12A and 12B are to show the vehicle lamp by according to second embodiment Has the schematic diagram of the example of the light distribution patterns for being formed.
Lamps apparatus for vehicle 1 according to the present embodiment is included as the first light source 10A and secondary light source 10B of light source 10.This Outward, lamps apparatus for vehicle 1 is included as the first optical component 20C and the second optical component 20D of optical component 20.First light source 10A is emitted in light distribution patterns forming portion 30 light for forming the first illumination region R1.Secondary light source 10B is emitted in light distribution patterns shape The light of the second illumination region R2 is formed on into portion 30.First optical component 20C irradiates the first light source to light distribution patterns forming portion 30 The light of 10A.Second optical component 20D irradiates the light of secondary light source 10B to light distribution patterns forming portion 30.Light distribution patterns forming portion 30 Irradiated for forming specific first light distribution patterns towards the front of light fixture using the optical element Chong Die with the first illumination region R1 Light, and utilize the optical element Chong Die with the second illumination region R2 towards the front of light fixture irradiate for formed have match somebody with somebody than first The light of the second light distribution patterns of the low illumination of the illumination of light pattern.Therefore, in the present embodiment, the illumination of the second illumination region R2 It is the small regions of illuminated the first illumination of light amount ratio region R1 to be not essentially the 0, and second illumination region R2.
In the present embodiment, as shown in Figure 11 A, the distance light light distribution patterns PH for being formed by lamps apparatus for vehicle 1 is by collection light pattern PH1 and diffusion patterned PH2 is constituted, near end point of the collection light pattern irradiation as horizontal line H and the crosspoint of vertical curve V (so-called hot-zone), it is described diffusion patterned with the illumination lower than light harvesting pattern P H1 and to irradiate the model wider than light harvesting pattern P H1 Enclose.Light harvesting pattern P H1 corresponds to the first light distribution patterns of the high illumination formed by the light of the first illumination region R1, and diffusion patterned PH2 corresponds to the second light distribution patterns of the low-light (level) formed by the light of the second illumination region R2.In this case, first is formed to shine The the first light source 10A for spending region R1 is preferably made up of the LASER Light Source for sending briliancy laser high.On the other hand, the second illumination is formed The secondary light source 10B of region R2 is preferably made up of the light emitting diode (LED) that directive property is low and light quantity is big.In the present embodiment, First light source 10A is made up of LASER Light Source, and secondary light source 10B is made up of LED.Additionally, the first optical component 20C is for example by putting down Face mirror is constituted, and the second optical component 20D is made up of curved mirror.
Additionally, as shown in Figure 11 B, it is similar to first embodiment, also can be in distance light in the lamps apparatus for vehicle 1 of the present embodiment Lightproof area S is formed in light distribution patterns PH in the region Chong Die with other vehicles or pedestrians.In this case, light distribution patterns are formed Portion 30 make among micro mirror and the micro mirror Chong Die with the second illumination region R2 Chong Die with the first illumination region R1 with lightproof area S pairs The micro mirror answered is in non-irradiated state.Therefore, lightproof area S is formed.
Lamps apparatus for vehicle 1 includes the first optical component displaced portions 40A and the second optical component displaced portions 40B.First optics Dislodged parts portion 40A makes the first illumination region R1 in light distribution patterns forming portion 30 by shifting the first optical component 20C Displacement.Second optical component displaced portions 40B makes the second illumination region R2 exist by shifting the second optical component 20D Displacement in light distribution patterns forming portion 30.First optical component displaced portions 40A and the second optical component displaced portions 40B make One optical component 20C and the second optical component 20D are shifted, to cause the light that is irradiated to light distribution patterns forming portion 30 along a left side for light fixture Right direction is shifted.The position of the position of the first illumination region R1 and the second illumination region R2 can be by the first optical component displaced portions 40A and the second optical component displaced portions 40B are shifted independently of one another.Accordingly, it is capable to increase the quantity of the type of light distribution patterns, go forward side by side One step improves the visuality of driver.Note, the first optical component displaced portions 40A and the second optical component displaced portions 40B may The first illumination region R1 and the second illumination region R2 is enough set to be shifted along the above-below direction of light fixture.
Using the first optical component displaced portions 40A and the second optical component displaced portions 40B, lamps apparatus for vehicle 1 being capable of basis The shape of the road that such as vehicle is travelled is shifted making light distribution patterns.Here, lamps apparatus for vehicle 1 can be as illustrated in fig. 12 Maintain to shift whole distance light light distribution patterns PH while the position relationship between light harvesting pattern P H1 and diffusion patterned PH2, and Shift can also only as shown in Figure 12 B light harvesting pattern P H1.Lamps apparatus for vehicle 1 is likely to enough shift only diffusion patterned PH2.
As described above, first photograph of the lamps apparatus for vehicle 1 of the present embodiment using the high illumination in light distribution patterns forming portion 30 Degree region R1 forms the light harvesting pattern P H1 of high illumination, using the second illumination region of the low-light (level) in light distribution patterns forming portion 30 R2 forms the diffusion patterned PH2 of low-light (level), and thus completes distance light light distribution patterns PH.As a result, with light distribution patterns forming portion 30 It is upper to form substantially uniform illumination region --- in other words, the first illumination region R1 is only formed in light distribution patterns forming portion 30, Light harvesting pattern P H1 is formed using a part for the optical element Chong Die with the first illumination region R1, and by controlling remaining optics The dutycycle of the Open-Close operation of element is shone with increasing the time of the non-irradiated state of time per unit and reducing towards the front of light fixture The light quantity penetrated forms diffusion patterned PH2 --- situation compare, can improve light utilization efficiency.Note, shone with second by control The dutycycle of the Open-Close operation of all or part of optical element that degree region R2 is overlapped is so that the irradiating state of time per unit Time it is shorter (that is, by setting up above-mentioned dimming condition) than the micro mirror Chong Die with the first illumination region R1, can be formed with relatively low The diffusion patterned PH2 of illumination or the partly diffusion patterned PH2 with low-light (level) region.Even if in this case, can also carry Light utilization efficiency high.
Additionally, lamps apparatus for vehicle 1 is included for the first light source 10A of the first illumination region R1 and for the second illumination region The secondary light source 10B of R2.Correspondingly, two photographs with different illumination can be formed more easily in light distribution patterns forming portion 30 Degree region.Note, in the lamps apparatus for vehicle 1 of the present embodiment, also can be set and used for forming the presentation of information shown in Fig. 6 to 8B The light source of light distribution patterns P1 to P3.Or, form presentation of information light distribution patterns P1 to P3 using the first light source 10A.Matching somebody with somebody High illumination region (the first illumination region R1) is formed in light pattern forming portion 30 to form presentation of information light distribution patterns P1 to P3 These light sources in each light source preferably include blue laser light source 102 as shown in Figure 3, the and of green laser light source 104 Red laser light source 106, and the emissive porwer of each LASER Light Source preferably adjusts independently of one another.
In the case where presentation of information is formed with light distribution patterns P1 to P3 using the first light source 10A, secondary light source can be utilized 10B and the second optical component 20D form the first illumination region R1 for light harvesting pattern P H1 and for diffusion patterned PH2 Two illumination region R2.Additionally, it is same in the lamps apparatus for vehicle 1 of first embodiment, by adjusting optical component 20A and 20B The shape of reflecting surface, can form the first illumination region R1 in light distribution patterns forming portion 30 and illumination be not essentially 0 Two illumination region R2.
(3rd embodiment)
The structure of the lamps apparatus for vehicle according to 3rd embodiment is liquid crystal photic gate (liquid except light distribution patterns forming portion Crystal shutter) structure outward with the lamps apparatus for vehicle 1 according to first or second embodiments is substantially the same.With first Or the component identical component of second embodiment is presented with like reference characters and by the description thereof will be omitted and diagram.Figure 13 A It is the vertical sectional view of the internal structure for schematically showing the lamps apparatus for vehicle according to 3rd embodiment.Figure 13 B are schematic Show lamps apparatus for vehicle according to 3rd embodiment internal structure perspective view.
The lamps apparatus for vehicle 1 of the present embodiment is included as the first light source 10A and secondary light source 10B of light source 10.Additionally, car With light fixture 1 include as optical component 20 the first optical component 20C and the second optical component 20D.First light source 10A sends Form the first illumination region R1a's for forming presentation of information light distribution patterns P1 to P3 in light distribution patterns forming portion 30 Light.Secondary light source 10B is emitted in light distribution patterns forming portion 30 the light harvesting pattern P H1 formed for forming distance light light distribution patterns PH The first illumination region R1b and the light for forming the second illumination region R2 of its diffusion patterned PH2.First optical component 20C The light of the first light source 10A is irradiated to light distribution patterns forming portion 30.Second optical component 20D is to the irradiation of light distribution patterns forming portion 30 the The light of two light source 10B.In the present embodiment, the first light source 10A is made up of LASER Light Source, and secondary light source 10B is made up of LED. Additionally, each of the first optical component 20C and the second optical component 20D are made up of curved mirror.First light source 10A includes Blue laser light source 102, green laser light source 104 and red laser light source 106, but and each LASER Light Source emissive porwer that This is independently adjusted.
Additionally, lamps apparatus for vehicle 1 has by shifting the first optical component 20C to match somebody with somebody the first illumination region R1a First optical component displaced portions 40A of the displacement in light pattern forming portion 30.First optical component displaced portions 40A can make First optical component 20C shift, with cause to light distribution patterns forming portion 30 irradiate light along light fixture left and right directions and upper and lower To displacement.Note, optical component displaced portions may be disposed at the second optical component 20D, and optical component displaced portions also can only be set In the second optical component 20D.
The light distribution patterns forming portion 30 of the present embodiment is made up of liquid crystal photic gate, and saturating in the first optical component 20C and projection Configured on the path of light source light between mirror 50 and between the second optical component 20D and projecting lens 50.Therefore, light source light from The rear side of light fixture is incident in light distribution patterns forming portion 30.Light distribution patterns forming portion 30 is arranged so that the polarization direction of liquid crystal Polarization direction with laser is consistent.Accordingly, it is capable to improve light utilization ratio.Light distribution patterns forming portion 30 can be used as light by changing The light quantity learned the light transit dose in each liquid crystal cell of element and irradiated in irradiating state, non-irradiated state and towards the front of light fixture Switch between small dimming condition than under the irradiating state.The structure of liquid crystal photic gate is it is well known that and therefore will omit it Describe in detail.Light distribution patterns forming portion 30 is allowed from the first optical section using the liquid crystal cell in irradiating state or dimming condition Part 20C and the second optical component 20D pass through liquid crystal cell to the light that liquid crystal cell irradiates towards the front of light fixture.The light of the transmission enters Enter to configure in the projecting lens 50 in the front of light distribution patterns forming portion 30.
Therefore, though in the case where liquid crystal photic gate is used as light distribution patterns forming portion 30, can also be formed with first and The similar light distribution patterns of second embodiment, and realize similar effect.Note, in the lamps apparatus for vehicle 1 of the present embodiment, light source 10th, the structure of optical component 20 and optical component displaced portions 40 is not limited to the structure shown in Figure 13 A and 13B, but can also adopt With the structure of first or second embodiments.Additionally, also can in the first and second embodiment using the structure of 3rd embodiment.
The present invention is not limited to above-described embodiment, and therefore embodiment can combine or can be based on those skilled in the art The knowledge of member is modified to embodiment, such as various design alterations.Embodiment based on these combinations or modification is also included Within the scope of the invention.By the combination or above-described embodiment of above-described embodiment produced with the combination of following modification it is new Embodiment has the attendant advantages of the embodiment and modification to be combined.
In each above-described embodiment, reflector can be set and replaces projecting lens 50.Additionally, settable multiple projecting lens 50.Additionally, lamps apparatus for vehicle 1 can not include the optical component 20A to 20D constituted by mirror.In this case, for example, logical Cross and the lens with the optical function for assembling laser are set in light source 10 or make light integrator 120 that there is this optics work( Can, lens or light integrator 120 can be used as optical component 20.Lens or light integrator 120 are being used as optics In the case of part 20, optical component displaced portions 40 shift to make lens or light integrator for example, by making whole light source 10 120 displacements.It is however generally that, due to being configured with radiating fin etc. in light source 10 so that the size of light source 10 is than larger, therefore It is easier to make the structure letter of lamps apparatus for vehicle 1 in the structure shifted using the optical component 20A to 20D for making to be constituted by mirror Change.Collecting optical opticas also can be set between light source 10 and optical component 20 or between optical component 20 and light distribution patterns forming portion 30 System.
In a second embodiment, the outside of the second illumination region R2 in light distribution patterns forming portion 30 exists not illuminated The region of light source light, but whole region in addition to the first illumination region R1 can be the second illumination region R2.Shone with second Among the optical element that degree region R2 is overlapped, optical element corresponding with diffusion patterned PH2 can be only set to be in irradiating state or subtract Light state, and other optical elements can be at non-irradiated state.Even if in this case, with light distribution patterns forming portion 30 Only form the first illumination region R1 and the situation of diffusion patterned PH2 is formed using the optical element Chong Die with the first illumination region R1 Compare, the light utilization efficiency of lamps apparatus for vehicle 1 can be improved.It is usable by combination laser light source and glimmering in each above-described embodiment , used as light source, the LASER Light Source sends swashing for the wavelength with blue or ultraviolet region for light part and the briliancy light source high that constitutes Light, the fluorescence part sends the light with the wavelength more long than sending the wavelength of laser during laser.

Claims (10)

1. a kind of lamps apparatus for vehicle, including：
Light source (10)；
The light distribution patterns forming portion (30) constituted by arranging multiple optical elements, wherein each optical element can shine Penetrate between at least one of state and non-irradiated state and dimming condition and switch, by the light source under the irradiating state (10) light source light for sending is irradiated towards the front of the light fixture, and the light source light is not towards the light fixture under the non-irradiated state Front irradiation, under the dimming condition light source light towards the light fixture front irradiate amount ratio in the irradiating state Under it is small, wherein the light distribution patterns forming portion (30) be have multiple micro mirrors as the MEMS mirror array of the optical element and By the switching between to the break-make of the power supply of each optical element in the light irradiated to the light distribution patterns forming portion (30) Switch between the non-irradiated state that the irradiating state and light reflected towards the front of the light fixture are reflected；With
Optical component (20), the optical component irradiates the light source light, the vehicle to the light distribution patterns forming portion (30) It is characterised by with light fixture：
The optical component (20) irradiates the light source light to the light distribution patterns forming portion (30), to cause in the luminous intensity distribution figure Being formed in case forming portion (30) includes the first illumination region (R1) and low with the illumination than the first illumination region (R1) The specific Illumination Distribution in the second illumination region (R2) of illumination；And
The light distribution patterns forming portion (30) is using the optical element Chong Die with the first illumination region (R1) towards described The light for forming specific first light distribution patterns is irradiated in the front of light fixture；And
The light distribution patterns forming portion (30) is using the optical element Chong Die with the second illumination region (R2) towards described The light for forming the second light distribution patterns with the illumination lower than the illumination of first light distribution patterns is irradiated in the front of light fixture, Or the optical element Chong Die with the second illumination region is in the non-irradiated state.
2. lamps apparatus for vehicle according to claim 1, wherein
The light distribution patterns forming portion (30) makes at least the one of the optical element Chong Die with the first illumination region (R1) It is partially in the irradiating state and remaining optical element Chong Die with the first illumination region (R1) is in the non-photograph State is penetrated, to form specific first light distribution patterns.
3. lamps apparatus for vehicle according to claim 1 and 2, also includes：
Optical component displaced portions (40), the optical component displaced portions make described the by shifting the optical component (20) At least one of one illumination region (R1) and the second illumination region (R2) are on the light distribution patterns forming portion (30) Displacement.
4. lamps apparatus for vehicle according to claim 1 and 2, wherein：
The light source (10) includes the first light source (10A) and secondary light source (10B), and first light source is emitted in the luminous intensity distribution figure The light of the first illumination region (R1) is formed in case forming portion (30), the secondary light source is emitted in the light distribution patterns and is formed The light of the second illumination region (R2) is formed in portion (30)；And
The light distribution patterns forming portion (30) is formed using the optical element Chong Die with the first illumination region (R1) First light distribution patterns, and form described second using the optical element Chong Die with the second illumination region (R2) Light distribution patterns.
5. lamps apparatus for vehicle according to claim 4, wherein
The optical component (20) includes the first optical component (20C) and the second optical component (20D), first optical component The light of first light source (10A) is irradiated to the light distribution patterns forming portion (30), second optical component is to the luminous intensity distribution Pattern forming portion (30) irradiates the light of the secondary light source (10B).
6. lamps apparatus for vehicle according to claim 5, also includes：
At least one of first optical component displaced portions (40A) and the second optical component displaced portions (40B), first optics Dislodged parts portion makes the first illumination region (R1) in the luminous intensity distribution figure by shifting first optical component (20C) Displacement in case forming portion (30), the second optical component displaced portions are moved by making second optical component (20D) Position makes displacement of the second illumination region (R2) on the light distribution patterns forming portion (30).
7. lamps apparatus for vehicle according to claim 6, wherein
Make described first by the first optical component displaced portions (40A) and the second optical component displaced portions (40B) The position in the position in illumination region (R1) and the second illumination region (R2) shifts independently of one another.
8. lamps apparatus for vehicle according to claim 1 and 2, wherein
The light source (10) includes red laser light source (106), green laser light source (104) and blue laser light source (102), and And the emissive porwer of each LASER Light Source can be adjusted independently of one another.
9. a kind of lamps apparatus for vehicle, it is characterised in that including：
Light source (10)；
The light distribution patterns forming portion (30) constituted by arranging multiple optical elements, wherein each optical element can shine Penetrate between at least one of state and non-irradiated state and dimming condition and switch, by the light source under the irradiating state (10) light source light for sending is irradiated towards the front of the light fixture, and the light source light is not towards the light fixture under the non-irradiated state Front irradiation, under the dimming condition light source light towards the light fixture front irradiate amount ratio in the irradiating state Under it is small, wherein the light distribution patterns forming portion (30) be have multiple micro mirrors as the MEMS mirror array of the optical element and By the switching between to the break-make of the power supply of each optical element in the light irradiated to the light distribution patterns forming portion (30) Switch between the non-irradiated state that the irradiating state and light reflected towards the front of the light fixture are reflected；
Optical component (20), the optical component irradiates the light source light to the light distribution patterns forming portion (30)；With
Optical component displaced portions (40), the optical component displaced portions shift the optical axis (O) of the optical component (20).
10. lamps apparatus for vehicle according to claim 9, wherein：
The optical component has reflecting surface；And
The optical component displaced portions shift the reflecting surface.
CN201410322886.1A 2013-07-10 2014-07-08 Lamps apparatus for vehicle Active CN104279485B (en)

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FR3008477B1 (en) 2022-05-13
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