WO2016096608A1 - Support à del muni d'une del et lampe munie d'un tel support à del - Google Patents

Support à del muni d'une del et lampe munie d'un tel support à del Download PDF

Info

Publication number
WO2016096608A1
WO2016096608A1 PCT/EP2015/079270 EP2015079270W WO2016096608A1 WO 2016096608 A1 WO2016096608 A1 WO 2016096608A1 EP 2015079270 W EP2015079270 W EP 2015079270W WO 2016096608 A1 WO2016096608 A1 WO 2016096608A1
Authority
WO
WIPO (PCT)
Prior art keywords
led
leds
reflector
led carrier
carrier according
Prior art date
Application number
PCT/EP2015/079270
Other languages
German (de)
English (en)
Inventor
Jürgen HAGER
Stephan Schwaiger
Oliver Hering
Original Assignee
Osram Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Osram Gmbh filed Critical Osram Gmbh
Publication of WO2016096608A1 publication Critical patent/WO2016096608A1/fr

Links

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
    • F21S41/30—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
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F21S41/145—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device the main emission direction of the LED being opposite to the main emission direction of the illuminating device
    • 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
    • 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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • 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
    • F21S41/24—Light guides
    • 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
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades

Definitions

  • the invention relates to an LED carrier which is equipped with at least one LED, according to the preamble of claim 1, and of a luminaire according to claim 15.
  • this technology may offer similar design and construction advantages over traditional light sources such as halogen and gas discharge lamps, it is still mostly limited to 2D boards with a planar array.
  • This arrangement of the light sources results in design, light and space constraints. More freedom in terms of design and space utilization can be achieved by a three-dimensional arrangement of multiple boards.
  • Such a solution can be used for example in a headlight.
  • a 3D design deviating from the 2D design is realized by interconnecting flexible conductor sheets and three-dimensionally shaped steps, shoulders, chambers or heat sinks in die-cast aluminum or plastic injection-molded parts.
  • the object of the present invention is therefore to provide an LED carrier which offers a high degree of freedom for adaptation to design and installation space situations.
  • the first object is achieved by an LED carrier according to claim 1, the second by a lamp according to claim 15.
  • Particularly advantageous embodiments can be found in the dependent claims.
  • An LED carrier has two sides. A first of its pages is equipped with at least one LED. On the same, first side at least a first optics is also arranged, via which a beam path of the LED is deflected. According to the invention, the LED carrier has at least one through-hole, which separates it from the first side through to a second, in particular opposite side interspersed.
  • the first and second sides of the LED carrier are preferably formed on a circuit board.
  • the board may be, for example, a metal core board or a FR4 board.
  • the LED can be applied, for example, as a surface-mounted-device (SMD) LED or as a laser chip.
  • the board can for example be designed as a standard 2D board.
  • the first optic is referenced on the first side of the LED in such a way that the deflected beam path or paths through the
  • the first optics collects the light from the LED.
  • the through-hole may be shaped in response to requirements imposed on the virtual light source be. For example, it may be designed as a function of a required form factor or aspect ratio.
  • the through-hole can be introduced directly into the LED carrier by drilling or milling or scraping.
  • a second optical system is arranged on the second side of the LED carrier, via which the beam path of the at least one LED emerging from the through-passage recess can be deflected once more.
  • the light of the virtual light source provided via the through-hole on the second side can be directed even more targeted to a desired light field.
  • a first main emission direction of the first optics may be aligned parallel or in an adjusted manner to a second main radiation direction of the second optics.
  • the two directions mentioned are defined in this regard, for example, in a reference plane to which the through-hole extends approximately normally.
  • a directional component of the first main emission direction may be directed to a directional component of the second main emission direction, or may be directed opposite or orthogonal.
  • the corresponding orientation is preferably realized by a relative arrangement of the first to the second optics. In this way, different light fields can be extremely flexible from those of the second optics deflected beam paths are illuminated.
  • the first page is equipped with multiple LEDs. These may be isolated or ordered, in particular arranged in a matrix.
  • each LED can be assigned an individual first optics.
  • the second optics arranged on the second side it is also possible for a plurality of LEDs present on the first side to have a common second optics associated therewith either on the second side or for each of the LEDs or at least some of the LEDs on the second one Side is assigned in each case an individual, second optics, via which the respective beam path of the respective LED is deflected.
  • Through hole can be.
  • the cross-section of the optical paths reflected by the first optical system may of course be greater than the cross-section of the through-hole, so that the through-passage shadows a part of the light emitted by the LED or the LEDs.
  • the passage recess preferably has a shape adapted to the respective lighting application. This not only affects their lateral boundary, but also the configuration of the through-hole with respect to a course of its cross-section in
  • Extension direction a slope or inclination of a lateral surface of the through-hole, etc.
  • a slope or inclination of a lateral surface of the through-hole etc.
  • an adaptation to the prevailing lighting and optical conditions of the lighting application such as a number and size of the LED light sources, a difference of the LED light sources or Etendue the LED light sources.
  • the respective first and / or second optics have a lens and / or a reflector.
  • the through-passage can have a further optical element, for example a light guide or a remote phosphor system. So is In principle, the use of other LED technologies than SMD light sources possible. For example, a LARP system - Laser Activated Remote Phosphor - can be used. Also, the through-hole may be provided with a remote phosphor as an optically active element which can be excited by laser light and is reusable, for example, as white light.
  • LEDs of different colors for example blue, red, green, or yellow can be used.
  • white LEDs can be equipped, which contain a converting phosphor.
  • a preferably switchable cover element in particular a shutter, can be provided in a further development on the LED carrier, of which the through-passage, depending on a desired light function of the LED support, at least partially coverable.
  • a lamp in particular a vehicle lamp, for example a front or rear headlamp of a vehicle, is preferably provided with an LED carrier which is configured according to at least one aspect of the preceding description.
  • the first optics on an ellipsoidal collector reflector as it finds etechnischssystemen example, in AM Proj use.
  • the beam paths of the at least one LED in the through-hole are collected via the collector reflector and a
  • the intensity distribution can be controlled via a shaping of a free-form surface and one or more guide curves of the collecting reflector.
  • simpler components such as Compound Eliptic Concentrators (CEC) and / or Angle Rotators (AR) can also be used as the first optics.
  • CEC Compound Eliptic Concentrators
  • AR Angle Rotators
  • the LED carrier or the circuit board is attached to one or more heat sinks.
  • the attachment can be done for example via screws or rivets or a clamp or a mount in a groove.
  • the luminaire or the LED carrier can be exposed to an air flow or fluid flow, in particular exposed.
  • the heat sink or in the direction of movement of the vehicle for example, on a vehicle front, be arranged, which advantageously waste heat of the or the heat sink is usable for defrosting a cover of the lamp.
  • such a heat sink can act as a diaphragm for unwanted scattered light and / or serve as a visible design element.
  • the LED carrier or the circuit board can be inserted with one or more edges in a recess, in particular a groove, one or more heat sinks.
  • these can be arranged on different, in particular opposite, or on both sides of the LED carrier or the circuit board (first and second side).
  • the heat sinks are arranged at the rear of the first and / or the second optics, so that they leave the or the beam paths unaffected.
  • the first optics can be connected to each other or integrally formed. Alternatively, they can be separated from each other, formed in several pieces.
  • the luminaire or the LED carrier has a one-piece heat sink or a plurality of mutually separate heat sinks.
  • the luminaire or the LED carrier has a one-piece heat sink or a plurality of mutually separate heat sinks.
  • multiple LEDs or SMD light sources they can be identical to each other or different in shape, color and / or luminous flux, whereby, for example, a color mixture or an intensity curve of the Through hole represented, virtual
  • Light source can be influenced.
  • LEDs for example, three, four or more, they may be arranged approximately star-shaped with respect to the through-hole, wherein the main emission of the first optics, which are each associated with an LED, then essentially point to the through-hole.
  • a virtual light source in particular white light
  • a virtual light source can be mixed by bundling the plurality of different beam paths in the through-hole.
  • a number of the LEDs on the first side of the LED carrier is in principle not limited.
  • the different sections of the second optics may be assigned different light functions of the LED carrier or of the luminaire.
  • the sections may be associated with, for example, a dipped beam and a high beam or they are supplied due to the difference in color of the LEDs used with different light colors.
  • the sections are separated by dark, unirradiated sections or that they intersect in sections. Released sections could then be illuminated by other LEDs or light sources.
  • the sections With respect to a horizontal plane, the sections may be above and below this plane, or may be with respect to a vertical plane to the right and left of that plane.
  • an angle rotator can be used as an alternative to an ellipsoidal reflector. This is designed for example as a 180 ° angle rotator.
  • a development of the lamp has two or more LED carrier.
  • two LED carriers for example, in the field of vehicle lighting, a dual bi-reflector design with, for example, a total of four independently operating far-field reflectors can be realized.
  • Two of the far-field reflectors are each supplied with a reflector of the primary optics and can, for example, provide a different light distribution or color. Also, the distribution of two or more
  • Farfield reflectors are superimposed in order to obtain more freedom in the expression of the light distribution.
  • a combination of low beam, high beam, DRL and an additional high beam can be achieved with a one-sided equipped board.
  • the luminaire can also be realized as a combination of dipped beam (two reflectors) and high beam and DRL.
  • An extension of the principle to three combined bi-reflector systems, or more, is of course possible.
  • the respective far-field reflectors can be arranged in a lamp designed as a headlight, for example at the same depth, or they can be staggered in depth be arranged to realize a haptic 3D effect in the view of the headlamps.
  • the LEDs can be arranged in a row or an "array."
  • the light of the array can be collected and generated via the first optics, in particular the first reflector In this way, a matrix-beam-like system and / or an AFS functionality can be created.
  • the arrangement of the LEDs in series or in the array can also be used in particular in combination with said cover element, in particular if the LEDs of the row or the array are not or only partially individually switchable.
  • the plurality of LEDs, or at least some of them can be switched individually.
  • the first optic is formed via a reflector and the second optic is formed at least via a lens.
  • the second optic is configured via a reflector and via a lens.
  • a luminous field of the reflector of the second optics is smaller or approximately equal to a luminous field of the lens. In a variant of this, the luminous field of the reflector of the second optic is larger than the luminous field of the lens of the second optic.
  • the through-passage is formed via or on a through-passage component inserted in the LED carrier. This can be up or clipped, glued and / or screwed into the LED carrier or board.
  • the LED may be a blue laser diode from which the first optic is irradiated.
  • the remote phosphor then partially converts the blue laser radiation and creates a white, virtual light source in the through-hole or through-hole component.
  • the LED can have an attachment optics which adapts the beam paths emitted by the LED in angle and area to the first optics.
  • a transmissive material such as a light pipe or a mixing rod may be incorporated therein.
  • the transmissive material may also be formed as a lens. In one development, this can be translationally movable in the through-hole or in the through-hole recessed component. It is also possible to introduce scattering centers or dull areas into the transmissive material.
  • a light guide is used as a second optic alternatively or in addition to the lens and / or reflector.
  • the optical waveguide can be provided directly with outcoupling structures in order, for example, to realize a light distribution suitable for a vehicle.
  • the light guide may have a linear, in particular cylindrical extension. Alternatively, it may vary in thickness and shape along its length. In particular, it may be curved, have curves or be arranged / extending three-dimensionally in space.
  • the light guide can be used as a feeder to another optical element.
  • the light guide may be formed for example by a glass fiber. In particular, this is again the use with LARP.
  • the first optic is designed as a reflector and spans a half-space in
  • the LED carrier has the through-recessed component with an auxiliary reflector attached thereto, which is arranged on the first side. In addition, it has an attached to vitellsaus Principleungsbauteil, second
  • FIGS. 1 to 5 exemplary embodiments of luminaires with different heat sink concepts
  • FIGS. 7 to 9 embodiments of luminaires with bundled beam paths of a plurality of LEDs
  • FIGS 13 and 14 embodiments of lights with several, independent
  • 15 shows an embodiment of a luminaire with a covering function
  • 16 shows an embodiment of a luminaire with an LED matrix
  • Fig. 20 shows a selection of possible embodiments of through-holes of LED carriers of the lights
  • FIG. 1 shows a lamp 1, which is designed as a headlight of a vehicle.
  • An emission direction of the luminaire 1 is symbolized in FIG. 1 by the arrow running from left to right.
  • a direction of movement of the vehicle in forward travel corresponds to the Z coordinate of the coordinate system shown in FIG.
  • the luminaire 1 has an LED carrier 4 designed as a circuit board with a first side 4a and a second side 4b.
  • the LED carrier 4 is equipped with an LED 6.
  • Fixed to the first side 4a is configured as an ellipsoidal reflector first optics 12, which collects the light emitted by the LED 6 light.
  • the LED carrier 4 has a through-passage 9, from which it is penetrated from the first side 4a to the second side 4b.
  • a second optic 2 designed as an ellipsoidal reflector is fastened to the LED carrier 4.
  • the first reflector 12 collects the light of the SMD LED 6 and throws it through the through-hole 9 in this way forms on the second side 4b of the LED support. 4 a virtual light source 5 off. In the exemplary embodiment shown, this is smaller in its extent than a diameter of the passage recesses 9. Beyond the passage recess 9, the reflector 2 collects the light emerging from the virtual light source 5 and reflects it in the direction of travel with a final spotlight distribution.
  • FIG. 2 essentially corresponds to the first exemplary embodiment according to FIG. 1 and differs therefrom in that the left-hand heat sink 3 in FIG. 2 is not connected to the circuit board 4 via a rivet, but instead has a groove-like recess 11 in which an edge of FIG Board 4 is inserted. Accordingly, the left heat sink 3 extends to both sides 4a, 4b of the board 4th
  • FIG 3 shows a third embodiment of a lamp 1, which substantially corresponds to those in Figure 2, as a modification of the right in the figure heat sink 3 now instead of a rivet 10 (see Figures 1 and 2) similar to the left heat sink 3 by a groove-like recess 11 is fixed to the board 4.
  • FIG. 4 also essentially builds on the first exemplary embodiment according to FIG. 1, in which case the two heat sinks 3 are each fixed via a rivet, but in each case on the opposite side 4a, 4b of the board 4.
  • the first four embodiments have in common that the heat sink 3 are each arranged on opposite edge sides of the board 4.
  • Figure 5 shows an embodiment of a lamp 1, which substantially corresponds to the first embodiment shown in Figure 1, but a Schoabstrahlraum of the second reflector 2, compared to the first embodiment, is rotated about the vertical axis y by 180 °. Depending on an application of the luminaire 1, this orientation can bring advantages with regard to the construction space and the heat sink 3. In addition, the heat sink 3 are thereby arranged outside the beam path of the second reflector 2.
  • FIGS. 1 to 4 A disadvantage of the exemplary embodiments shown in FIGS. 1 to 4 is that the right-hand heat sink 3 in the figures partially shades off the beam paths deflected by the second reflector 2.
  • this problem is solved, in which a main emission direction 6a of the first reflector 12 is set to a main emission direction 5a of the second reflector 2 in a plane perpendicular to the longitudinal extension of the through-passage 9. In this way, the heat sink 3 is visually bypassed.
  • all heat sinks 3 shown so far can be used, wherein a disturbance of the beam path through the heat sink 3 is excluded.
  • Figure 7 shows a seventh embodiment of a lamp 1, which has two LEDs 6 in contrast to the embodiments previously shown. These are each associated with a reflector 12 formed as a first optical system.
  • the first optics 12a are combined in one piece with the first optic 12.
  • Both first reflectors 12a collect the light of their associated LEDs 6 and redirect the beam paths in such a way that they pass through the through-passage 9 from the first side 4a to the second side 4b of the board 4. In this way, the already discussed virtual light source 5 is formed on the second side 4b. After emerging on the second side 4b, the beam paths are deflected by the second reflector 2.
  • the discussed lamp 1 is shown in a plan view from above, wherein it can be seen that the measured in the XZ plane components of Main emission directions 6a and 5a are parallel to each other.
  • the second reflector 2 can be rotated about the Y-axis by approximately 90 °, so that the components of the main emission directions 6a, 5a measured in the X-Z plane are arranged at right angles to one another. In this way it can be responded to specific space situations by changing the arrangement or rotation of the second reflector 2.
  • a ninth embodiment according to FIG. 9 is largely similar to the eighth embodiment according to FIG. 8, but now has four LEDs 6 instead of two LEDs 6. These are arranged distributed around the passage recess 9 approximately on a semicircle, wherein each LED 6 is associated with a first reflector 12a of the first optical system 12. The first reflectors 12a are combined in one piece with the first optic 12. With reference to the x-z plane, in the exemplary embodiment shown, the second main emission direction 5a is directed against the first
  • Main emission directions 6a of the two left and right LEDs 6 arranged orthogonal and with respect to the first main emission directions 6a of the two central LEDs 6 approximately at an angle of 135 °.
  • the LEDs 6 are formed in different colors in the embodiment shown, resulting in the through-passage 9 by mixing the beam paths, a color mixing of the light emitted along the second main emission direction 5a light.
  • the tenth exemplary embodiment according to FIG. 10 shows that the beam paths of the two LEDs 6 meet the second reflector 2 at a distance from one another. Beam paths of the right in Fig. 10 LED 6 meet in a section B on the second reflector 2, beam paths of the left in Figure 10 LED 6 meet in a section A on the second reflector 2.
  • the sections A, B can different light functions such. B. produce a low beam and a high beam or they can be supplied with different light colors of the LEDs 6.
  • a dark region C is left between the sections A, B.
  • Such a free area of the second reflector 2 could be occupied by a third LED 6 additionally applied to the board 4.
  • An eleventh exemplary embodiment according to FIG. 11 converts the idea of the tenth embodiment according to FIG. 10 such that the different sections A, B on the second reflector 2 are now not separated by a substantially horizontal parting line or a horizontal separating section C (see FIG. but separated by a substantially parallel to the Y-axis separating line c.
  • the virtual light sources 5b, 5c thus supply to the left and right of the dividing line c located sections B, A of the second reflector 2.
  • deviating from Embodiment according to Figure 10 is the rotated by about 90 ° arrangement of the second reflector 2, with respect to the Y-axis.
  • Figure 12 shows a twelfth embodiment of a lamp 1, wherein the first optics 12 is designed as a so-called Angle-rotator. This rotates the light emitted by the LED 6 light by 180 ° about the y-axis.
  • a thirteenth embodiment is shown in Figure 13, as already the embodiments 5, 6, 7, 8, 9, both in a side view (upper figure) and in a plan view (lower figure).
  • the side view it can be seen that only the left in Figure 13 LED 6 of the first optics 12 (first reflector) is assigned and the through-hole 9 is irradiated only by the light to form the virtual light source 5.
  • the second reflector 2 By means of the second reflector 2, as already described several times, the deflection of the beam paths takes place in the direction of the second main emission direction 5a.
  • the lamp 1 according to FIG. 13 has a reflector 13 to which an LED 6 is assigned individually. Both LEDs 6 are arranged on the first side of the board 4.
  • the additional reflector 13 generates its own light distribution, which is independent of the light distribution of the second reflector 2 of the second optics.
  • both light distributions appear as upper (reflector 13) and lower half-shell (second reflector 2).
  • the two half-shells can produce turn-signal and high beam in a motor vehicle headlight.
  • a bi-reflector module with a one-sided populated board 4. That is, the LEDs 6, and the light sources, are arranged on the first side 4a of the board 4 and the reflectors 13 and 2 on both sides of the board 4. With classic lighting concepts, this has hitherto only been possible via double-sided heat sinks or circuit boards and / or via a plurality of circuit boards in different orientations.
  • the fourteenth embodiment of Figure 14 shows a dual bi-reflector design with a total of four independently operating far-field reflectors, two of which are irradiated by a respective first reflector of the first optics.
  • Far-field reflectors can each provide a different light distribution and / or color available. Also, one can superimpose the distributions of two or more far-field reflectors to obtain more freedom in the manifestation of the light distribution. In particular, you can with this system z. B. achieve the combination of low beam, high beam, DRL and an additional high beam with a one-sided populated board. Alternatively, a combination of low beam (two reflectors) and high beam and DRL can be achieved. Extending the principle to three bi-reflector systems, or more, is quite possible. The various far-field reflectors can be arranged in the spotlight at the same depth or staggered in depth, to achieve a haptic 3D effect in the view of the headlight or the lamp.
  • the fifteenth exemplary embodiment according to FIG. 15 is based on that according to FIG. 7, and also has a movable shutter, that is to say a movable cover element 14, via which the virtual light source 5 on the second side 4b of the board 4 is at least partially coverable.
  • the first optic 12 is formed in the illustrated embodiment via two separate, arranged first reflectors 12a.
  • FIG. 16 shows a sixteenth embodiment of a luminaire 1, in which the LEDs 6 are arranged in rows to form a matrix or a so-called LED array.
  • the array has 2 ⁇ 4 LEDs 6.
  • the light of the array is collected by the first reflector 12 and the formation of the virtual light source follows at the exit of the through-hole 9.
  • This solution can be used for matrix beam-like systems and AFS functionalities and is e.g. B. in combination with a shutter or cover according to Figure 15 used, especially if the LEDs 6 in the matrix are not or only partially individually switchable.
  • the seventeenth embodiment according to FIG. 17 shows a luminaire 1 in which the second optic 2 has a lens 16. This replaces the second reflector in comparison with the preceding embodiments.
  • the lens 16 forms the virtual light source 5 at the output of the through-hole 9 in the far field.
  • the lens 16 is attached to the board 4 via a holder 15.
  • the board 4 together with the LED 6, together with the first reflector 12 of the first optics plays the role of an LED carrier with light source.
  • the lens 16 is initially held loosely in the heat sink 3.
  • first reflector 12 of the first optics and the LED 6 and the thermal contacting of the board 4 with the heat sink 3 the second optics 2, ie here the lens 16, referenced by screws to the board 4 and thus to the virtual light source 5.
  • the reference of the second optic 2 (lens 16) to the virtual light source 5 thus does not extend over the heat sink 3.
  • the heat sink 3 and the circuit board 4 are each integral with the corresponding recesses, for a "triple interface" and a "loading" of Board 4 are necessary, provided.
  • FIG. 18 shows an eighteenth embodiment of a lamp 1 which is based on that of Figure 17.
  • the eighteenth embodiment has an auxiliary reflector 17 shown in FIG.
  • Embodiment for example, is integrally connected to the lens 16. Alternatively, it may be mounted with the lens 16 via the so-called “triple-interface.” Additional auxiliary light 17, which is lost after passing through the through-hole 9 in the seventeenth embodiment, will continue to be used through the lens 16 be directed.
  • a nineteenth embodiment also builds on that of Figure 17 and also has an auxiliary reflector 17. This is connected in sections on its rear side with the heat sinks 3, or formed on this. In this way, the heat transfer from the auxiliary reflector 17 to the heat sink 3 can be improved.
  • the auxiliary reflector 17 is in the 19th embodiment on the holder 15 and thus over the lens 16 radially over.
  • FIG. 20 shows various exemplary embodiments of the passage recess 9.
  • the passage recess 9 according to FIG. 20 on the left has, for example, a required low-beam light distribution impressed with a 15 ° angle.
  • a through-passage 9 is shown, which has a circular cross-section and is thus easy to manufacture.
  • FIG. 20 shows a through-passage 9 with a rectangular cross-section.
  • a through-hole 9 is shown with an oval cross-section.
  • a passage recess with a slot-like cross section is shown.
  • the left embodiment in FIG. 20 with the 15 ° angle is of interest for an imaging refractive optic, as used for example in the exemplary embodiments 17 to 19.
  • the through-passage 9 is formed via a separate passage-recessed component. This is clipped onto the board 4. This has the advantage that a through-hole of the board 4, into which the through-hole recessed component 9 is clipped, does not have to be manufactured so precisely. The optical accuracy is then provided by the very precisely finished, separate passage recessed member 9.
  • the twenty-second embodiment according to FIG. 22 is based on that according to FIG. 21, wherein here the through-recessed component 9 is connected in one piece with the second optical system 2 instead of the first optical system 12. Accordingly, the above
  • Tolerance advantage can be used in this embodiment for the virtual light source 5 and the second reflector 2 of the second optics.
  • the tolerance advantage of the one-piece construction consists in the fact that the referencing of the respective reflector to the passage recess component 9 is clearly secured.
  • the passage recess member 9 may be formed separately from the respective reflector. This is shown in FIG. 23, wherein the first reflector 12 is configured as a component that is separated from the passage recess component 9.
  • the naturalgangsaus supraungsbauteil 9 be implemented as a simple and inexpensive Einclipsteil modular or variable.
  • a twenty-fourth embodiment according to FIG. 24 is based on that according to FIG. 23, wherein a remote phosphor element 18 is integrated in the passage recess component 9 as an optically active element.
  • the LED 6 is formed by a blue laser diode.
  • This can already contain an attachment optics, which adapts the radiation emitted by it in its angle and its area to the first reflector 12 of the first optics.
  • the remote phosphor 18 in the through-hole 9 then partially converts the blue laser radiation, thereby producing a white virtual light source 5.
  • a transmissive material 18 is introduced into the passage recess component 9.
  • This can be, for example, a light guide or a mixing rod.
  • a sealing of the fürgangsaus Principleungsbauteils 9 take place at this point.
  • a combination of the remote phosphor 18 according to FIG. 24 and the transmissive material 18 according to FIG. 25 can be used in particular for the use of LARP technology (Laser Activated Remote Phosphor).
  • the twenty-sixth embodiment according to FIG. 26 essentially builds on the seventeenth exemplary embodiment according to FIG. 17, wherein, instead of the lens 16 used there, an optical waveguide 18 is used as the second optical system 2.
  • a level of virtual Light source 5 is then on an entrance surface of the light guide 18, which is arranged in the through-hole 9.
  • the optical waveguide 18 can also be connected via the so-called "triple interface" (see FIG. 17) .
  • the optical waveguide 18 can be provided directly with outcoupling structures in order to realize a suitable light distribution
  • the optical waveguide 18 can be linear and cylindrical as shown Alternatively, it may vary in thickness and shape, in particular, it may be curved, with curves or may be 3-dimensional in space, and optical fiber 18 may be used as an optical lead to another optical element.
  • the optical waveguide 18 can be formed, for example, by a glass fiber, and again the use combined with LARP technology is suitable.
  • the twenty-seventh embodiment according to FIG. 27 has a first reflector 12 as the first optical system, but in this embodiment it spans a complete half-space above the LED 6. In this way, the collection efficiency of the first reflector 12 is increased compared to the exemplary embodiment according to FIG.
  • the twenty-eighth embodiment shown in FIG. 28 has an auxiliary reflector 19 disposed on the passage recess member 9, which is integrally connected to the passage recess member 9 in this embodiment.
  • the auxiliary reflector 19 serves the same as the spatially extended first reflector 12 in FIG. 27 an additional collection of direct light of the LED 6.
  • the auxiliary reflector 19 collects directly incoming rays or already reflected rays and passes them to the virtual light source 5 on.
  • a twenty-ninth exemplary embodiment is based on that according to FIG. 28, but now additionally has again as second optics a second reflector 2, which has an aperture 20 integrally connected to it, from which the through-passage 9 and thus the virtual light source 5 is delimited.
  • the second reflector 2 is referenced. With the aperture 20, the second reflector 2 can limit the virtual light source 5 again and / or for the first time.
  • the at least one semiconductor light source comprises at least one light emitting diode. If several LEDs are present, they can be lit in the same color or in different colors. A color can be monochrome (eg red, green, blue etc.) or multichrome (eg white). Also, the light emitted by the at least one light emitting diode can be a infrared light (IR LED) or ultraviolet light (UV LED). Several light emitting diodes can produce a mixed light; eg a white mixed light.
  • the at least one light-emitting diode may contain at least one wavelength-converting phosphor
  • the phosphor may alternatively or additionally be arranged remotely from the light-emitting diode ("remote phosphor").
  • the at least one light-emitting diode can be in the form of at least one individually housed light-emitting diode or in the form of at least one LED chip. Several LED chips can be mounted on a common substrate (“submount").
  • the at least one light emitting diode may be equipped with at least one own and / or common optics for beam guidance, e.g. at least one Fresnel lens, collimator, and so on.
  • organic LEDs e.g. based on InGaN or AlInGaP
  • the at least one semiconductor light source may be e.g. have at least one diode laser.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un support à DEL (4) présentant un premier côté (4a), qui est équipé d'une DEL (6) et sur lequel est disposée une première optique (12, 12a, 19) par l'intermédiaire de laquelle une trajectoire de faisceau de la DEL peut être déviée. Le support à DEL présente un orifice traversant (9) qui traverse le support à DEL (4) du premier côté (4a) à un second côté (4b) et à travers lequel la trajectoire de faisceau de la DEL (6) s'étend. L'invention concerne également une lampe, en particulier une lampe de véhicule, comprenant un tel support à DEL.
PCT/EP2015/079270 2014-12-19 2015-12-10 Support à del muni d'une del et lampe munie d'un tel support à del WO2016096608A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014226647.5A DE102014226647A1 (de) 2014-12-19 2014-12-19 LED-Träger mit einer LED und Leuchte mit einem derartigen LED-Träger
DE102014226647.5 2014-12-19

Publications (1)

Publication Number Publication Date
WO2016096608A1 true WO2016096608A1 (fr) 2016-06-23

Family

ID=54884015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/079270 WO2016096608A1 (fr) 2014-12-19 2015-12-10 Support à del muni d'une del et lampe munie d'un tel support à del

Country Status (2)

Country Link
DE (1) DE102014226647A1 (fr)
WO (1) WO2016096608A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190178462A1 (en) * 2016-09-13 2019-06-13 Honda Motor Co., Ltd. Headlight device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016207780A1 (de) * 2016-05-04 2017-11-09 Osram Gmbh Kombiniervorrichtung für Strahlungen und Verfahren zur Herstellung einer Kombiniervorrichtung
AT518977B1 (de) * 2016-11-17 2018-03-15 Zkw Group Gmbh Kühlkörper mit variablem thermischen Widerstand
DE102017110877A1 (de) * 2017-05-18 2018-11-22 Automotive Lighting Reutlingen Gmbh Lichtmodul eines Kraftfahrzeugscheinwerfers und Kraftfahrzeugscheinwerfer mit einem solchen Lichtmodul

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005058936A1 (de) * 2004-12-09 2006-07-20 Koito Manufacturing Co., Ltd. Fahrzeuglampe
EP2474779A1 (fr) * 2009-09-04 2012-07-11 Stanley Electric Co., Ltd. Luminaire de véhicule
EP2597361A2 (fr) * 2011-11-24 2013-05-29 Ichikoh Industries, Ltd. Phare de véhicule avec DEL
EP2610549A2 (fr) * 2011-12-30 2013-07-03 Automotive Lighting Reutlingen GmbH Phare pour un véhicule automobile qui génère une répartition de lumière du feu de route partiel à l'aide d'un système de réflexion
DE102012220455A1 (de) * 2012-11-09 2014-05-15 Osram Gmbh Leuchtvorrichtung mit halbleiterlichtquelle
JP2014207247A (ja) * 2014-08-04 2014-10-30 株式会社小糸製作所 光源ユニット及び車輌用灯具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6926435B2 (en) * 2001-08-23 2005-08-09 Wavien, Inc. Led illumination engine using a reflector
JP4047186B2 (ja) * 2003-02-10 2008-02-13 株式会社小糸製作所 車両用前照灯及び光学ユニット
JP4729441B2 (ja) * 2006-06-09 2011-07-20 スタンレー電気株式会社 車両用灯具
WO2008047851A1 (fr) * 2006-10-12 2008-04-24 Panasonic Corporation Appareil luminescent
JP2010515243A (ja) * 2007-01-12 2010-05-06 パナソニック株式会社 発光装置及びこれを用いた照明装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005058936A1 (de) * 2004-12-09 2006-07-20 Koito Manufacturing Co., Ltd. Fahrzeuglampe
EP2474779A1 (fr) * 2009-09-04 2012-07-11 Stanley Electric Co., Ltd. Luminaire de véhicule
EP2597361A2 (fr) * 2011-11-24 2013-05-29 Ichikoh Industries, Ltd. Phare de véhicule avec DEL
EP2610549A2 (fr) * 2011-12-30 2013-07-03 Automotive Lighting Reutlingen GmbH Phare pour un véhicule automobile qui génère une répartition de lumière du feu de route partiel à l'aide d'un système de réflexion
DE102012220455A1 (de) * 2012-11-09 2014-05-15 Osram Gmbh Leuchtvorrichtung mit halbleiterlichtquelle
JP2014207247A (ja) * 2014-08-04 2014-10-30 株式会社小糸製作所 光源ユニット及び車輌用灯具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190178462A1 (en) * 2016-09-13 2019-06-13 Honda Motor Co., Ltd. Headlight device
US11060687B2 (en) * 2016-09-13 2021-07-13 Honda Motor Co., Ltd. Headlight device including a main light source and an auxiliary light source

Also Published As

Publication number Publication date
DE102014226647A1 (de) 2016-06-23

Similar Documents

Publication Publication Date Title
DE102010056313C5 (de) Beleuchtungseinrichtung eines Kraftfahrzeugs
EP2360427B1 (fr) Réflecteur tri-zone
EP2307792B1 (fr) Appareil d'éclairage
DE102005043992B4 (de) Signalleuchte eines Fahrzeugs
DE102009022723A1 (de) Von rückwärts anzubringendes Leuchtdioden-Modul für Kombinationsrücklichter an Kraftfahrzeugen
DE102012220455A1 (de) Leuchtvorrichtung mit halbleiterlichtquelle
DE102010062454A1 (de) Anordnung zur Lichtabgabe
WO2016096608A1 (fr) Support à del muni d'une del et lampe munie d'un tel support à del
DE102009023268A1 (de) LED-Beleuchtungseinheit mit Reflektor
EP2734782A2 (fr) Dispositif d'émission de lumière
DE102010041477A1 (de) Anordnung zur Lichtabgabe
DE102008056049A1 (de) Licht emittierende Vorrichtung umfassend mindestens eine Leuchtdiode und Beleuchtungseinrichtung für ein Kraftfahrzeug umfassend eine solche Vorrichtung
DE102016200157A1 (de) Lichtemittierende Baugruppe und Verfahren zum Herstellen einer lichtemittierenden Baugruppe
WO2012136626A1 (fr) Dispositif d'éclairage et procédé permettant de faire fonctionner un dispositif d'éclairage
WO2014041016A1 (fr) Luminaire à paralume équipé de sources lumineuses à led
EP1837590A1 (fr) Phares DEL et système d'éclairage doté de tels phares
DE102011084890A1 (de) Lichtmodul einer Beleuchtungseinrichtung eines Kraftfahrzeugs
EP3686480B1 (fr) Agencement d'émission de lumière ayant des caractéristiques de faisceau lumineux modifiables
EP2647903B1 (fr) Elément de lentille notamment pour module de lumière de secours
DE102016104221A1 (de) LED-Leuchte mit Lichtlenkelement
DE202020100899U1 (de) Längliche Leuchte
DE102006007175B4 (de) Leuchte, insbesondere Seitenleuchte eines Fahrzeugs, sowie Reflektoreinheit
DE102014205898A1 (de) Reflektor
EP2246612B1 (fr) Lampe à DEL
DE202017105600U1 (de) Linsenhalter, insbesondere für eine Kombinationslinse einer Beleuchtungsoptik, sowie Leuchte mit einem entsprechenden Linsenhalter

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15813003

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15813003

Country of ref document: EP

Kind code of ref document: A1