CN104110627A - Optical Module And Lighting And/or Signalling Device For A Motor Vehicle - Google Patents
Optical Module And Lighting And/or Signalling Device For A Motor Vehicle Download PDFInfo
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- CN104110627A CN104110627A CN201410156064.0A CN201410156064A CN104110627A CN 104110627 A CN104110627 A CN 104110627A CN 201410156064 A CN201410156064 A CN 201410156064A CN 104110627 A CN104110627 A CN 104110627A
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- optical
- lens
- optical module
- pattern
- light
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
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- 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
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
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- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/275—Lens surfaces, e.g. coatings or surface structures
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- 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
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
Abstract
An optical module (400) for a lighting and / or signaling device, comprising at least one light source generating a light beam, at least one cutting means from the light beam or the medium (s) cutoff being arranged (s) for generating at least a low cut and a cut side of the light beam from the light source and a first and a second optically active surfaces disposed in succession along the path of the light beam after the cutting means. The optical module is characterized by that the first optically active surface comprises at least a first series of patterns which extend in a first direction and the second optically active surface comprises at least a second series of patterns which extend in a second direction; said first and second directions being substantially perpendicular. Lighting and / or signaling motor vehicle comprises at least one such module.
Description
Technical field
The present invention relates to the illumination of motor vehicles and/or the field of signal designation, and relate more specifically to optical module and illumination and/or signal indicating device for motor vehicles.
Background technology
Existing convention is that motor vehicles are equipped at least one illumination optical and/or signal indicating device, normally a pair of Optical devices, comprise in order at least one lighting module by realizing the known multiple primary beam irradiation road that is dipped beam (or low beam) and/or high beam illumination functions.
In order to carry out dipped beam function, the Optical devices of the first vehicle must produce has the light beam that is mainly positioned at the horizontal dead line under horizontal line, to prevent meeting the first vehicle or driver dazzling of the second vehicle before this first vehicle time.
For this reason, known convention is that Optical devices are set, and it has block piece and lens, is arranged to, to produce this horizontal dead line, can form block piece by a reflection levels surface, and it is also referred to as beam bending device.
In order to carry out the function of high beam, the Optical devices of the first vehicle must produce main beam lighting on horizontal line.In order to prevent, meeting the first vehicle or driver dazzling of the second vehicle before this first vehicle time, must making high beam inoperative in the time that the first vehicle is met or trailed the second vehicle.
Recently, developed partial illumination pattern, this partial illumination pattern is formed in vehicle or people not by the selective bundle of dazzling generation dark space, position.With respect to only using dipped beam lamp, the illumination of road is enhanced, avoid for example being caused by traditional remote high beam etc. simultaneously for head-on or excessively bright problem of the driver who follows.This selective illumination function drives bundle (ADB) or selective high beam function also referred to as adaptability.
The first is used the block piece device of mechanization for generating the known solution of this selective distance light ADB function, in the light beam producing by one or more lighting modules, generate and cut off (cutoff) and control the bundle producing by a pair of head lamp of equipment motor vehicle simultaneously, what make them overlappingly provides required bundle.In patent FR2923428, provide the exemplary embodiment of the solution of this block piece with mechanization.
Another kind of is the matrix that uses the light belt by for example for example, obtaining at the light source matrix of placing of optical projection system (lens) above for obtaining the known solution of ADB function, and controls opening or closing of these sources.Document EP2280215A2 discloses the example of the matrix form of distortion of such lighting module of realizing ADB function for motor vehicles.It comprises multiple optical transmitting sets, each optical transmitting set is associated with special light directing arrangement and lens, to generate multiple light belts, the projection of shape of each light belt is general rectangular, and they interweave and form the total light beam that meets one of illumination functions (particularly dipped beam, high beam, selective high beam) of wanting.
For the enforcement of this selective high beam function is shown, Fig. 1 illustrates and guarantees this selective high beam function, comprises the shadow region corresponding with the illuminated side of detected vehicle 104 102, isophote curve Figure 100 of light beam.In this example, obtain the primary beams of generation shadow region 102 by being arranged in dipped beam (solid wire curve 106) on the both sides of the detected vehicle 104 of Fig. 1 and two complementary bundles (dashed curves 108).
The present invention finds, by forming this shadow region 102 that causes forming vertical side direction dead line 110, the acutance (sharpness) of these vertical dead lines 110 must with the acutance of the horizontal dead line 112 and 114 of dipped beam and complementary bundle differently, controlled independently.And, in the situation of the light source matrix of the form flash interweaving with light belt, wherein the shape of each band is general rectangular, can be expressly understood, each of these light belts will have a lower dead line and two the side direction dead lines perpendicular to side direction dead line substantially.
The key of testing these dead lines of optimization that draw by reality is obviously different and be not easy unanimously or compatible, that is to say:
-on the one hand, be necessary the acutance of the horizontal dead line 112 and 114 of weakening relatively consumingly, particularly in forming the dead line of two bundles by beam bending device.In the situation that there is no this weakening, the distinctive dead line of each bundle is by mark (contrast problem) and alternately (homogeneity question between contrast district) strongly, because the overlapping of horizontal dead line is not easy completely.
-on the other hand, be necessary to keep the relatively high acutance of vertical dead line 110, to guarantee that the driver of the vehicle 104 that is arranged in shadow region 102 is not dazzling by complementation bundle, also avoid contrast and the inhomogeneity problem of projected bundle, particularly in the time producing projected bundle by interweaving of light belt simultaneously.
In the situation of projection system with light belt matrix, the problem of visual adaptability and the inhomogeneity problem of projected bundle that are equipped with the driver of the vehicle of described system are also crucial, not even with producing shadow region: by interweaving and/or juxtaposition or obtain side by side projected bundle of multiple light belts, the vertical dead line of each of these light belts must be fuzzy, and it is uniform as far as possible and continuous making visually described bundle; And if use the line of multiple light belts, the horizontal dead line between two lines must be also by fuzzy, and making bundle is uniformly, and between line, does not contrast mistake.Further, clearly illustrate by the simulation and the test that use this matrix projection system to carry out, in order to obtain the result of satisfaction of euphorosia, the acutance degree of the vertical and horizontal dead line of light belt or fuzzy degree must be independently and distinguishing.
In description, use term " vertically " and " level " to represent direction, particularly beam cutoff direction, term " vertically " is along the orientation perpendicular to horizontal plane, term " level " is along the orientation that is parallel to horizontal plane.Under the operating condition of the device in vehicle, consider these terms.Use these terms or expression mode not to mean that the present invention gets rid of the variation a little of vertical and horizontal direction.For example,, with respect to the little variation that this is considered to two preferred orientations that is tilted in of plus or minus 10 measurement levels of these directions.
In order to obtain the relatively high weakening of acutance of dead line, known convention is the surface that lens are set, and it has along the micro-structural of different direction diffused lights, as what describe in the patent FR2925656 of Holophane.Problem is, uses the weakening of this known solution acquisition to be then applied to comparably horizontal dead line and vertical dead line, this is required utterly in the situation of ADB function to relatively high acutance, dazzling to prevent.
The solution that target of the present invention is to eliminate the shortcoming of prior art and proposes a kind of cut-off that weakens distinctively light beam, particularly within the scope of the situation of adaptability high beam illumination functions (or ADB), or in the situation of projection system with light belt matrix.
Summary of the invention
The first theme of the present invention is for throwing light on and/or the optical module of signal indicating device, comprise at least one light source that generates light beam, at least one is for ending the device of this light beam, these one or more stoppers are arranged to generate at least one lower dead line and the side direction dead line from the light beam of light source, with the first and second optical effect surfaces after the path of light beam is placed on one or more stoppers continuously, it is characterized in that, the first optical effect surface comprises at least First Series pattern extending along first direction, and the second optical effect surface comprises at least second series pattern extending along second direction, described the first and second directions are substantially vertical.
Substantially vertically this be represent to comprise with 90 ° orthogonal, add or deduct 10 °.
These two serial extension patterns are the acutancees in order to obtain the horizontal dead line different from acutance vertical dead line transmitted beam, the invention enables driving comfort and the drive safety that can improve in the situation that uses lighting device, particularly use in the situation of selective high beam function.In fact, the acutance of horizontal dead line is by a control in two serial patterns, and can be relatively low, to avoid inconvenient contrast to replace, or even limit these contrasts, and on the other hand, the acutance of vertical dead line is by another serial pattern control, and can be relatively high to avoid dazzling any risk of driver of the shaded areas that is positioned at high beam, weaken the phenomenon that between the light belt interweaving, contrast replaces simultaneously, particularly use in the situation of illuminator of light source matrix.
Another advantage of the present invention is, the pattern of (for example lens) upper multiple series simple, static and be final installation on optical effect surface, it makes to provide a kind of lighting device that installation cost reduces and complexity reduces with respect to comprising removable optical element.And, in the situation of lighting device with projection lens, easily understand, can, in the case of not needing enormous industrial investment and not needing too much amendment to manufacture the method for these devices, provide the device with the ADB function of improving euphorosia degree by using lens replacement projection lens according to the present invention to revise existing device by making.
In the first variant embodiment, the first optical effect surface and the second optical effect surface are refractive apparatus (dioptres).
In particular, and most preferably, two incident and exit surfaces that optical effect surface is lens.Thereby, these lens for optical module comprise optics incidence surface and optics exit surface, its significant difference is, it comprises at least First Series pattern extending along first direction being positioned on its optics incidence surface and at least second series pattern extending along second direction being positioned on its optics exit surface, and described the first and second directions are substantially vertical.
In the second form of distortion, in the first and second optical effect surfaces one is that refractive apparatus and another are reflectors.
In the end, in a form of distortion, the first optical effect surface and the second optical effect surface are reflectors.
Therefore easily understand, can be suitable for a large amount of configurations for projected light beam according to lighting module of the present invention.
Last theme of the present invention is illumination and/or the signal indicating device for motor vehicles, its significant progressive being, and it comprises according at least one optical module of the present invention.
Brief description of the drawings
With reference to accompanying drawing, by the mode of unrestriced illustrated examples, according to the explanation of implementing embodiments of the invention below, other advantages of the present invention and feature will become clear, in the accompanying drawings:
What Fig. 1 had described is the isophote curve map of realizing the light beam of selective high beam function,
Fig. 2 represents the exit surface according to lens of the present invention, and the detailed view that it is surperficial is also shown,
Fig. 3 is the schematic diagram of the deflection of the light implemented in the present invention,
Figure 4 and 5 are respectively by according to the lens of prior art with by according to two isophote curve maps of the bundle of launching by LED that figuratum lens transmission is set of the present invention,
Fig. 6 a illustrates according to the variant embodiment of the modulation on lens of the present invention,
Fig. 6 b illustrates the form of distortion of the intensity gradient of the curve map of Fig. 5 of the modulation form of distortion acquisition by using Fig. 6 a,
Fig. 7 a illustrates another variant embodiment according to the modulation on lens of the present invention, and the yardstick of axis X and Z is consistent with those of axis X in Fig. 6 a and Z respectively,
Fig. 7 b illustrates the distortion of the intensity gradient of the curve map of Fig. 5 that the form of distortion of the modulation by using Fig. 7 a obtains, and the yardstick of axis X and Z is consistent with those of axis X in Fig. 6 b and Z respectively, and
Fig. 8 is according to the schematic diagram of the variant embodiment of optical module of the present invention.
Detailed description of the invention
With reference to figure 2, comprise optics incidence surface (not shown) and optics exit surface 202 for the lens 200 of optical module.These lens 200 are assembled, and have and optics incidence surface and the total optical axis of optics exit surface 202.In adopted embodiment, lens 200 are biconvexs, but it can comprise plane or concave surface, and this also within the scope of the invention.
Lens 200 comprise the First Series pattern (not shown) extending along first direction being positioned on its optics incidence surface and second series 204 patterns 206 that extend along second direction that are positioned on its optics exit surface 202, and described the first and second directions are substantially vertical.
In the example shown, each optical surface comprises the pattern of single series.According to a modification, described one and/or another optical surface comprise the patterns of multiple independent series separately, and for example three, described multiple patterns extend on an identical face along identical direction respectively.
In the exemplary embodiment shown in Fig. 2, the pattern 206 of second series 204 is designed to reduce the acutance of horizontal dead line (cutof fline), and pattern 206 is preferably to be similar to the mode horizontal-extending of striped.Therefore the pattern that is positioned at the First Series on incidence surface vertically extends, to reduce the acutance of vertical dead line, answers the acutance that horizontal dead line is realized to reduce but compare, so unobvious.In horizontal-extending on the plane of incidence at pattern at lens, the reverse configuration of vertically extending on its exit facet, be also fine.
According to another feature, pattern 206 is positioned at 208 places, at least central area of each optical surface 202, comprises the optical axis in question surface.In the situation of the considered projection convergent lens for optical module, the optical axis of the optical axis of optics incidence surface and optics exit surface 202 crosses: lens 200 have single common optical axis.
Particularly, make can limit chromatic phenomenon for this feature.By the material that forms lens, the inconstant factor of refraction in light wavelength is caused (blue light is more than ruddiness deflection) to this aberration.For the large deflection of light, this phenomenon is especially obvious.Therefore, the heart (comprising optical axis) is more remarkable therein at the upper and lower of lens (away from optical axis) ratio for this phenomenon.Pattern 206 is placed in the central part that comprises modulation (modulation), and they make white light deflection in vertical direction.By covered the color of dead line by white light, this white light has weakened the color being produced by aberration phenomenon.
This central area 208 can be with respect to comprising optical axis and being parallel to the plane symmetry of pattern direction or asymmetricly distributing.
According to a modification, central area 208 is distributed on a width, and this width is perpendicular to the 10-40% of the size of the optical surface of pattern bearing of trend (being included or closed interval).
In the exemplary embodiment as shown in Fig. 2, the outer regions 205 outside this central area 208 can be level and smooth, and this outer regions 205 comprises described serial 204 extension pattern 206.
According to another modification, particularly preferably, in the situation of the application of the illuminator being formed by light source matrix, pattern 206 is positioned on the whole surface of each optical surface 202.In a modification, these are the patterns that occupied multiple series of all surfaces.
According to another modification, the optical surface of discussion comprises the pattern of multiple series of adjacent or non-adjacent mode, one of them region of plying in the centre, and remaining is placed in outer regions, has level and smooth space in non-adjacent situation between series.
According to an embodiment, pattern extends in a length, and this length is the 30-100% (being included or closed interval) that is parallel to the size of the optical surface of pattern bearing of trend.
In the example shown in Fig. 2, single serial 204 pattern length along lens 200 on central area 208 is extended:
-width I, or the latitude of emulsion, be measured as the distance defining between series 204 striped, is 20mm, in this example, and 36% the order of magnitude of the 55mm width I1 on the surface 202 that it is lens, this width I1 records between the top edge of optical surface 202 and lower limb.But, according to described modification, the width I of this series pattern can be the surface 202 of lens 200 width I1 10 to 40% between.
-length L, is measured as the length of serial 204 patterns 206, equals the length L 1 of optical surface 202, is 65mm in this example, and this length is measured between the lateral edges of optical surface 202.According to modification, length L can be restricted to the surface 202 of lens 200 length L 1 at least 30%.
As shown in reference to figure 3, the cardinal principle horizontal-extending of the pattern on exit facet causes the cardinal principle vertical deflection of light.In fact, be included in the not flatly deflection of light in horizontal plane 300 or 302, but vertically deflection.Be included in the also not flatly deflection of light in vertical plane 304, but vertical deflection similarly.The effect of the deflection of the light obtaining for the pattern being vertically arranged on the plane of incidence of lens, shown in being applied to after this identical principle conversion in example.
According to a favourable embodiment, by the profile along limiting, the modulation (modulation) of the thickness of the lens of carrying out at lens surface place, has obtained described pattern.This is one and is convenient to the embodiment implementing.
Especially, as shown in the zoomed-in view in Fig. 2, being modulated to waveform or fluctuating of the thickness of the surface of lens, a particularly Mathematical Modeling, has given wave amplitude and given pitch P.In this example, wave amplitude is the order of magnitude of 10 microns, and pitch P is 1mm.
According to this embodiment modification, the wave amplitude of modulation and the pitch P of modulation are constant.
According to another modification of this embodiment, the wave amplitude of modulation and/or the pitch P of modulation change.
According to a preferred embodiment, wave amplitude reduces according to the function of the position with respect to optical axis on lens.Especially, in one embodiment, the wave amplitude of modulation reduces exponentially.This makes to obtain more uniform light beam.Described pitch can be also constant.
Set forth in more detail the advantage of this feature below with reference to Fig. 4 to 7b.
With reference to figure 4 and Fig. 5, show isophote (Isolux) curve map, its light by light emitting diode (LED) transmitting is by lens (level and smooth incident and the exit surface of prior art, Fig. 4) or by lens of the present invention (incident and exit surface comprise pattern, Fig. 5) projection obtain.
In the case of the light beam of lens acquisition that utilizes prior art, as shown in Figure 4, isocandela curve, also referred to as equiluminous curve, locate and all very close in the horizontal position of vertical side dead line 110 at the horizontal level (level) of lower or low (low) dead line 114.This has showed the steep dead line of light beam.
On the other hand, in the case of utilizing the light beam of lens acquisition of the present invention, as shown in Figure 5, equiluminous curve is in the horizontal position of lower dead line 114 and all do not have so close in the horizontal position of vertical side dead line 110.Similarly, as observed in Fig. 4 and Fig. 5, the light beam that utilizes light beam that lens of the present invention obtain all not utilize mirror lens to obtain in the equiluminous curve of the horizontal position of lower dead line 114 and vertical side dead line is close at corresponding dead line place.
This shows, in situation of the present invention, the acutance of horizontal dead line is less than the acutance of vertical dead line.
As implied above, in a simple embodiment, profile is regular, for example, corresponding to a trigonometric function model, has given wave amplitude a and given pitch P.Such modulomenter is shown in Fig. 6 a, and it has expressed the modulation on core, shows on the optical axis X either side of lens 200 scope of 20mm in vertical direction.In order to show described modulation, along the ratio of vertical axis be different along the ratio of optical axis: the scale unit of vertical axis Z is millimeter, and the scale unit of optical axis X be micron.
Although be effectively for solving problem of the present invention, but this modulation also can be further perfect.
Fig. 6 b shows the contrast gradient of the light beam of the modulation acquisition that utilizes Fig. 6 a, is the function of the upper location taking the number of degrees as unit of vertical axis V.The gradient using is corresponding to following formula:
G＝log(I
(V))-log(I
(V+0.1°))
Wherein, I
(V)for the luminous intensity of the light beam at assigned altitute V place, height is measured on vertical axis V, (I
(V+0.1 °)) be the luminous intensity that increases the light beam of the At The Height of 0.1 degree corresponding to assigned altitute V.
Fig. 6 b shows two cut off phenomenons, there is the first gradient peak A and the second gradient peak B, the first gradient peak A corresponding to have more obvious contrast bright/secretly cut-off, the second gradient peak B corresponding in the light beam between two regions with different light intensity degree, have obvious contrast second cut-off.
The second cut-off in light beam can bring problem, and the uniformity of broken beam.
In order to improve described light beam, a solution is modulating wave shape wave or fluctuates, as Fig. 7 a sees.
Modulation pattern is with above identical, and except the wave amplitude A using reduces according to the function of the position Z with respect to optical axis on lens, this function is following form:
A(Z)＝a
0 *exp(-α
*|Z|)
As seen in Fig. 7 b, obtain single peak value.Therefore, there are not two cut-offs.
About the order of magnitude of amplitude, depend on the fuzziness (blur) of desired acquisition, the wave amplitude of modulation can change by from 0 to 50 μ m.
Undoubtedly, lens comprise multiple first and/or the situation of second series pattern in, the pattern of each series has its oneself modulation, as the function of the function of lip-deep its position and the fuzzy behaviour of desired acquisition.
In one embodiment, described pattern is striped.Therefore lens are easy to manufacture, particularly by molded manufacture.
According to an embodiment, the parts that lens are integrated, especially by molded acquisition.
Therefore, of the present inventionly theme as a kind ofly for throwing light on and/or the optical module of sender unit, comprising: at least one light source that produces light beam; For ending at least one device of described light beam, these one or more stoppers are arranged to produce at least one lower dead line and the side dead line from the light beam of described light source; And the first and second optical effect surfaces, its path along described light beam is arranged on after described one or more stopper continuously.
The conspicuousness of this module is: the first optical effect surface comprises the First Series pattern at least extending along first direction, and the second optical effect surface comprises the second series pattern at least extending along second direction, and described first direction and second direction are substantially vertical.
In the context of the present invention, the first or second optical effect surface of this module is not to form by the outer lens of sealing lighting device, is combined with such module in this lighting device.
According to the present invention, the first and second optical effect surfaces are continuous (successive), but need not to be coherent (consecutive).Particularly, can apply in the context of the present invention various structures.
Preferably, lower dead line is approximate horizontal, and side dead line is substantially vertical.
In the first variant embodiment, the first optical effect surface and the second optical effect surface are refractive apparatus.For example, the first optical effect surface can be incident or the exit facet of first lens, and the second optical effect surface can be incident or the exit facet of the second lens; Or the first optical effect surface can be the exit facet that is connected to the correcting element of the hemisphere form of photoconduction, the second optical effect surface can be incident or the exit facet of lens.
Especially, and preferred mode, two optical effect surfaces are incident and the exit surface of same lens, these lens are above-mentioned lens.
In the second modification, one in the first optical effect surface and the second optical effect surface is refractive apparatus, and another is reflector.
In last modification, the first optical effect surface and the second optical effect surface are all reflectors.
In the context of the present invention, can consider the reflector of arbitrary form: for example, parabolic shape or the elliptoid speculum with complex surface, or there is the cylindrical mirror of trunnion axis.
As according in the situation of said lens of the present invention, serial pattern can have modulation, and this is modulated to pitch rule or the vicissitudinous wave amplitude of tool and/or variation.In addition, the lip-deep a series of patterns of each optical effect extend on the region of the optical axis that comprises in question surface.
According to a feature, adopt following single or combination for ending the device of described light beam: the form of shielding part, photoconduction or light source, light source is Light-Emitting Diode (LED).
In the context of the present invention, the term " cover " here refers to by parts opaque or that reflecting material is made, can be also the refractive apparatus reflecting completely.In the situation that uses photoconduction as the device of cutoff beam, easily to understand, the shape in the outgoing cross section of described photoconduction will determine to comprise the luminous shape of at least one dead line; For example,, for the photoconduction of square-section, by the striation of projection essentially rectangular.
Fig. 8 shows the first preferred embodiment according to optical module 400 of the present invention, comprises the reflector that is designed to receive light source, and light source is here LED408, is arranged on the first focus place of reflector 402.This reflector makes it can pick up the light of being launched by LED408, and they are sent forward towards the second focus in the mode of assembling.Module 400 also comprises according to lens 200 of the present invention and shielding part.This shielding part comprises vertical plane 404 and horizontal plane 406, and is arranged in this focus place, has formed light and can not encounter the region 405 that shielding part passes through.Lens 200 are also arranged in this focus front.These lens and this shielding part are arranged to, and the light beam that module 400 is launched has vertical dead line 110 ' and horizontal dead line 114 '.According to a modification, the shielding part using in conjunction with lens 200 is the rotation shielding part of for example describing in disclosed patent documentation FR2979595.
On horizontal and vertical dead line, having implemented acutance reduces.Shown in exemplary embodiment in, pattern is modulated to and makes dead line that light beam has in the horizontal direction not as good as so obvious in vertical direction, but vertical dead line can be too not precipitous yet.
Undoubtedly, on basis of the present invention and according to suffered restriction, those skilled in the art can expect that dead line is in vertical direction not as good as so obvious module in horizontal direction.
Another preferred embodiment is the combination of the light source that is connected with basic optical element, comprise the photoconduction being positioned on its plane of incidence or the optical design of resting the head on (optic pillow) such as light, utilize the projection lens with the serial pattern of describing before, the shape in their outgoing cross section has produced striation, comprises lower dead line and two substantially vertical side dead lines of approximate horizontal.Basic optical element so is for example described in patent document EP2122239, EP2280215 or DE102010023359.
Last theme of the present invention is illumination and/or the sender unit for motor vehicles, comprise transparent outer lens, this outer lens covers the housing holding by least one optical module, and its conspicuousness is, it comprises that at least one is according to optical module of the present invention.In the situation of device with matrix light source, can consider to there are especially three, four or five are according to the structure of module of the present invention, to obtain distance light and adaptive distance light (ADB) function.This illumination and/or sender unit can comprise other module not the present invention relates to extraly, and for example, dipped beam, direction change instruction or daytime signal sends (the lamp DRL of operation on daytime) function.
The present invention can form various modification.Especially, pattern can have different shapes, and can be continuous or discontinuous.
In addition, optical module can use and be, same module is carried out one or more illumination functions, for example low-beam function and/or road function.
As mentioned above, consider the various possibilities that form dead line, other modification of the present invention is also possible.
In addition, can use the light source of any type, for example high-intensity discharge lamp (xenon lamp technology), light emitting diode (LED) or other so-called laser diode, wherein the phosphor of deposition is encouraged by laser beam.
In addition, shape and the number of implementing the dead line of considering in process of the present invention also can change from an application and Another application, special in the situation of projection system with matrix light source.More generally, for example, form the form of the shielding part of the machining of dead line by change, the spatial distribution of illuminated area and shaded areas also in vain one embodiment of the present of invention change to another embodiment.
Commercial Application
The present invention can be used in particular for manufacturing and be disposed in especially the lighting module of motor vehicles and have the lighting device of selecting region.
Claims (15)
1. one kind for throwing light on and/or the optical module (400) of signal indicating device, comprise at least one light source that generates light beam, at least one is for making the device of this beam cut-off, these one or more stoppers are arranged to generate at least one lower dead line and the side direction dead line from the light beam of light source, and optical module (400) comprises the first and second optical effect surfaces after the path of light beam is placed on one or more stoppers continuously, it is characterized in that, the first optical effect surface at least comprises the First Series pattern extending along first direction, and the second optical effect surface at least comprises the second series pattern extending along second direction, described the first and second directions are substantially vertical.
2. optical module as claimed in claim 1 (400), is characterized in that, the first optical effect surface and the second optical effect surface are refractive apparatus.
3. optical module as claimed in claim 1 or 2 (400), it is characterized in that, this module comprises lens (200), the first optical effect surface is formed by the incidence surface of described lens (200) and the second optical effect surface is formed by the exit surface of described lens (200), lens comprise and are positioned at least First Series pattern (206) extending along first direction on its optics incidence surface and are positioned at least second series (204) pattern (206) along second direction extension on its optics exit surface (202), described the first and second directions are substantially vertical.
4. optical module as claimed in claim 3 (400), is characterized in that, described pattern (206) is at least positioned on the central area (208) of the corresponding optical axis that comprises each optical surface (202).
5. optical module as claimed in claim 4 (400), it is characterized in that, central area (208) and the size of the vertical optical surface (202) of the bearing of trend of described pattern 10% to 40% between width on launch.
6. the optical module as described in claim 3 or 4 (400), is characterized in that, described pattern (206) is positioned at above each optical surface (202) overall.
7. the optical module as described in any one in claim 3 to 6 (400), is characterized in that, obtains described pattern by the modulation of thickness of the lens (200) implemented in lens (200) surface.
8. the optical module (400) as described in last claim, is characterized in that, the modulation of the thickness of the surface of lens is to fluctuate, particularly Mathematical Modeling, have different amplitude (a) and give constant pitch (P).
9. optical module as claimed in claim 8 (400), is characterized in that, the pitch (P) of the amplitude (a) of this modulation and modulation is constant.
10. optical module as claimed in claim 8 (400), is characterized in that, this amplitude (a) is what can be served as on lens with respect to the function of the position of optical axis.
11. optical modules as claimed in claim 8 (400), is characterized in that, this pitch (P) is variable.
12. optical modules as claimed in claim 1 (400), is characterized in that, in the first and second optical effect surfaces one is that refractive apparatus and another are reflectors.
13. optical modules as claimed in claim 1 (400), is characterized in that, the first and second optical effect surfaces are reflectors.
14. as optical module in any one of the preceding claims wherein (400), it is characterized in that, adopt separately or combination employing from lower array apparatus for the device that makes beam cutoff: block piece, photoconduction or form of light source, described light source is light emitting diode (LED).
15. 1 kinds of illuminations for motor vehicles and/or signal indicating device, comprise clear outer lens, the housing that covering comprises at least one optical module, it is characterized in that, illumination and/or signal indicating device comprise that at least one is as optical module in any one of the preceding claims wherein (400).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1353472A FR3004786B1 (en) | 2013-04-17 | 2013-04-17 | LENS, OPTICAL MODULE AND LIGHTING AND / OR SIGNALING DEVICE FOR MOTOR VEHICLE |
| FR1353472 | 2013-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104110627A true CN104110627A (en) | 2014-10-22 |
Family
ID=48979924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410156064.0A Pending CN104110627A (en) | 2013-04-17 | 2014-04-17 | Optical Module And Lighting And/or Signalling Device For A Motor Vehicle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2792938A3 (en) |
| JP (1) | JP2014212115A (en) |
| CN (1) | CN104110627A (en) |
| FR (1) | FR3004786B1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106764936A (en) * | 2015-11-24 | 2017-05-31 | 斯坦雷电气株式会社 | Lenticular body, lens combination and lamps apparatus for vehicle |
| CN107667253A (en) * | 2015-05-20 | 2018-02-06 | 飞利浦照明控股有限公司 | Lighting apparatus, lens and method |
| CN107883336A (en) * | 2016-09-29 | 2018-04-06 | 法雷奥照明公司 | Motor vehicle lighting systems and motor vehicles |
| CN108131636A (en) * | 2016-12-01 | 2018-06-08 | 欧司朗有限公司 | Primary optical part, secondary optics part, vehicles headlamp and head lamp system |
| CN108302471A (en) * | 2016-09-14 | 2018-07-20 | 英属维尔京群岛商博伦思国际股份有限公司 | Optical module and optical element |
| CN108302476A (en) * | 2016-09-29 | 2018-07-20 | 法雷奥照明公司 | The lighting device for including light guide for motor vehicles |
| CN109827140A (en) * | 2019-02-20 | 2019-05-31 | 华域视觉科技(上海)有限公司 | A kind of LED car lamp and its dipped beam mould group |
| CN112539393A (en) * | 2020-11-16 | 2021-03-23 | 复旦大学 | High beam lighting device, car light and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102014118745B4 (en) * | 2014-12-16 | 2022-03-17 | HELLA GmbH & Co. KGaA | headlights for vehicles |
| KR102301038B1 (en) * | 2015-05-22 | 2021-09-10 | 에스엘 주식회사 | Head lamp for vehicle |
| EP3567308A4 (en) * | 2017-01-06 | 2021-03-24 | Shanghai Cata Signal Co., Ltd. | Lighting system integrating high and low beams, low beam headlamp, and high beam headlamp |
| WO2023213683A1 (en) | 2022-05-03 | 2023-11-09 | Reinhard Brunner | Continuous drying device |
| DE102022120887A1 (en) | 2022-05-03 | 2023-11-09 | Reinhard Brunner | Channel drying device |
| DE102022130433A1 (en) | 2022-05-09 | 2023-11-09 | Reinhard Brunner | Channel drying device |
| EP4276398A1 (en) | 2022-05-09 | 2023-11-15 | Reinhard Brunner | Duct drying device |
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Also Published As
| Publication number | Publication date |
|---|---|
| FR3004786A1 (en) | 2014-10-24 |
| EP2792938A3 (en) | 2015-09-09 |
| JP2014212115A (en) | 2014-11-13 |
| FR3004786B1 (en) | 2017-09-08 |
| EP2792938A2 (en) | 2014-10-22 |
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Application publication date: 20141022 |
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