WO2017045672A2 - Dispositif d'éclairage pour l'habitacle d'un véhicule - Google Patents

Dispositif d'éclairage pour l'habitacle d'un véhicule Download PDF

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Publication number
WO2017045672A2
WO2017045672A2 PCT/DE2016/100429 DE2016100429W WO2017045672A2 WO 2017045672 A2 WO2017045672 A2 WO 2017045672A2 DE 2016100429 W DE2016100429 W DE 2016100429W WO 2017045672 A2 WO2017045672 A2 WO 2017045672A2
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
light
interior
lighting device
lighting
Prior art date
Application number
PCT/DE2016/100429
Other languages
German (de)
English (en)
Other versions
WO2017045672A3 (fr
Inventor
Jürgen Heinrich
Original Assignee
Hella Kgaa Hueck & Co.
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 Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2017045672A2 publication Critical patent/WO2017045672A2/fr
Publication of WO2017045672A3 publication Critical patent/WO2017045672A3/fr

Links

Classifications

    • 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
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/004—Refractors for light sources using microoptical elements for redirecting or diffusing light using microlenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/217—Doors, e.g. door sills; Steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/258—Rear-view mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/76—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for spotlighting, e.g. reading lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a lighting device for the interior of a vehicle, in particular for generating a reading light, comprising at least one light generating unit, which is designed for arrangement in the region of the interior of the vehicle. Furthermore, the invention is directed to a vehicle with such a lighting device.
  • DE 102012017 276 A1 describes a lighting device for the interior of a vehicle with a light generating unit, which can be controlled automatically.
  • the control takes place on the basis of acquired data about the ambient brightness, wherein the data acquisition is performed by means of a camera.
  • discrete LEDs are switched on in the vehicle, which can be located overall in a matrix arrangement.
  • the control of the LEDs is carried out via a control device.
  • the system allows illumination of a discrete area in the interior of a vehicle, the light-emitting diodes may have only a limited sharpness due to their design, so that a stray light is unavoidable. However, it is desirable to illuminate the interior of a vehicle with a brightly defined, light-contoured lighting area.
  • DE 10 2009024 894 A1 describes a projection display with at least one light source and regularly arranged optical channels.
  • the optical channels contain at least one field lens, each associated with an object structure to be imaged, and at least one projection lens, and upon transillumination of the plurality of optical channels, the plurality of mutually identical object structures are superimposed on a projection plane.
  • WO2014206626 A1 describes a motor vehicle with an ambient illumination device for generating a light distribution on the ground in the vicinity of the motor vehicle, wherein the surrounding illumination device has one or more projection modules for generating the light distribution, wherein a respective projection module comprises at least one light source and an array of projection optics, which from the light of the at least one light source generates at least a part of the light distribution.
  • the object of the invention is the development of a lighting device for the interior of a vehicle, with the at least one light-contoured lighting area in the interior of the vehicle can be generated.
  • the invention includes the technical teaching that the light generating unit comprises at least one micro-lens array.
  • the inventive design of a light generating unit with a micro-lens array allows the illumination of discrete lighting areas in the interior of a vehicle with very high light intensity and very high contour sharpness.
  • the high light intensity may be desired, for example, as a reading light, and due to the high contour sharpness of the light produces little to no stray light, and the light of the light generating unit according to the invention is perceived as very high quality and improves the overall ambience in the vehicle.
  • we are not permanently disturbed by the low to lack of scattering of the driver while driving the vehicle as this is not dazzled by the interior light in the vehicle, especially at night driving and less distracted.
  • the light generating unit has at least one light-emitting diode, which is set up for the transillumination of the micro-lens array, and wherein a bundle lens is arranged between the light-emitting diode and the micro-lens array.
  • the pencil lens serves to collimate the light of the light emitting diode, so that the micro lens array is substantially completely illuminated by approximately parallel light beams.
  • the micro-lens array has an MLA slide system which can be projected into the interior of the vehicle as a light-contoured illumination area.
  • the MLA slide system describes a slide arranged in the image plane of the respective lenses of the microlens array with a contouring that is imaged in the interior of the vehicle by projection.
  • each of the lenses of the micro-lens array is assigned its own MLA slide, so that the high light intensity is created by a superimposition of the respective individual intensities of the transilluminated lenses of the micro-lens array.
  • each of the light generating units is designed to generate a discrete lighting area in the interior of the vehicle.
  • Each of the Uchterzeugungsakuen this has its own LED, a separate pencil lens and possibly a separate micro-lens array.
  • a plurality of light-generating units with a plurality of light-emitting diodes and a plurality of associated bundle lenses have a common micro-lens array which is discrete with the individual light-emitting diodes Areas is illuminated.
  • the area between the light-emitting diodes can be separated, for example, with corresponding separating elements so that the illumination of neighboring areas remains prevented.
  • the plurality of light generating units can be set up with advantage for individual electrical operation, so that discrete, light-contoured lighting areas can be generated independently of one another in the interior of the vehicle. Likewise, it is conceivable to tune in the brightness of the plurality of light-emitting diodes so that a traveling light-emitting area is created in the interior of the vehicle. Of course, there is also the possibility that several luminous regions overlap or at least merge into one another and can have different brightnesses relative to one another.
  • the lighting device with the plurality of light generating units can be controlled so that only required areas are illuminated. For example, if a vehicle occupant engages a door pocket of the vehicle and the detection unit outputs this action to the control unit, it is conceivable that only one associated light generation unit is activated, which illuminates the area of the door pocket.
  • the plurality of light-generating units it is possible with further advantage to produce a moving lighting area in the interior of the vehicle, which follows, for example, the movement of vehicle occupants.
  • the moving luminous area has a sharp edge of light, while the MLA slides of the MLA slide system do not basically have to have a contour that is identical to one another and that is projected into the interior as a luminous area. It is also conceivable to assign different groups of MLA slides to different lens areas in the micro-lens array.
  • the lighting device is achieved when the MLA slide system is designed such that the producible lighting area is at least partially generated around a vehicle occupant, so that the MLA slide system so is formed such that the producible light region shadows at least a body region of a vehicle occupant.
  • the lighting area is formed so that only one area in front of the body, for example, in front of the head or in front of the torso of a vehicle occupant is illuminated, the head or the trunk remains shadowed.
  • the invention further relates to a vehicle having an interior exhibiting a lighting device with at least one light-generating unit comprising at least one micro-lens array.
  • the lighting device is integrated, for example, in a roof module of the vehicle, or the light unit is integrated in a door mirror of the vehicle, with several arrangements of lighting devices with the inventive design in an interior of a vehicle are possible.
  • a light generating unit for the interior lighting of a vehicle with a micro-lens array is in any spot geometry, since the contouring of the MLA-Dlas is not limited.
  • a high degree of homogeneity can be achieved within the luminous region, and intensity maxima, as are known from conventional illuminations, are avoided by the use of micro-lens arrays.
  • FIG. 1 is a schematic view of a lighting device for the interior of a vehicle with a light generating unit, which generates a luminous area
  • Fig. 2 is a schematic view of a lighting device with a plurality of light generating units for generating a plurality of discrete lighting areas
  • Fig. 3 is a perspective view of a vehicle in which a plurality of lighting devices are arranged to form a plurality of lighting areas.
  • FIG. 1 schematically shows a lighting device 1 for the interior of a vehicle, and the lighting device 1 has a light-generating unit 11.
  • the light generating unit 11 comprises a light-emitting diode 13, a pencil lens 14 and a micro-lens array 12.
  • the light generated by the light emitting diode 13 is guided by the collimating lens 14 and collimated by them.
  • the micro-lens array 12 is illuminated with substantially parallel light beams, and a plurality of MLA slide systems 18, which are shown only uniformly in the micro lens array 12, are respectively connected via an associated lens of the microphone Lens array 12 illuminated.
  • the simultaneously illuminated MLA slides of the MLA slide system 18 are identical to one another and each produce a luminous area 15, so that the light area 15 projected in the interior of the vehicle is generated by a superposition of the respective individual images of the MLA slides of the MLA slide system 18 and, for example forms a reading light 10.
  • the schematically illustrated illumination area 15 can be generated with a very sharp cut-off line, so that the illumination area 15 is light-contoured and the areas outside the illumination area 15 are shaded.
  • the illuminated region 15 shown is approximately trapezoidal and extends in a box shape around an unilluminated interior area and can be produced, for example, in the form shown, in front of a person who is the vehicle occupant.
  • Fig. 2 shows a lighting device 1 having a plurality of light generating units 11, and each of the light generating unit 11 has a light emitting diode 13 and a condensing lens 14, and the light emitting diodes 13 can be electrically operated separately from each other.
  • the light-generating units 11 shown illuminate a common micro-lens array 12 with an MLA slide system 18, the discrete illumination areas being visually separated from the respective light-generating units 11. are separated from each other. It is also conceivable that each of the light generating unit 11 has its own micro-lens array 12.
  • the generated reading light 10 consists of a plurality of luminous areas 15, wherein each light generating unit 1 generates a luminous area 15.
  • the luminous regions 15 can also produce an overall lighting area when combined, or individual luminous areas 15 are switched off or switched on by appropriate operation of individual light-generating units 11.
  • FIG. 3 shows a perspective view of an interior 50 of a vehicle 100, and a plurality of lighting devices 1 are arranged in the interior 50.
  • a lighting device 1 is shown in the roof module 16 of the vehicle 100, and a plurality of lighting units 1 are arranged in the door mirrors 17 of the vehicle 100.
  • the plurality of lighting devices 1, each of which may again have one or more light generating units 11 a plurality of lighting areas 15 are formed in the interior 50, so that, for example, a reading light 10 is generated for each of the vehicle occupants.
  • the luminous areas 15 are very lightly contoured, and adjacent areas to the luminous area 15 remain shaded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage (1) pour l'habitacle (50) d'un véhicule (100), en particulier pour fournir une lumière de lecture (10), qui comporte au moins une unité de production de lumière (11) conçue pour être installée dans la zone de l'habitacle (50) du véhicule (100). Selon l'invention, ladite unité de production de lumière (11) comporte au moins un ensemble de micro-lentilles (12).
PCT/DE2016/100429 2015-09-16 2016-09-14 Dispositif d'éclairage pour l'habitacle d'un véhicule WO2017045672A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015115579.6A DE102015115579A1 (de) 2015-09-16 2015-09-16 Leuchteinrichtung für den Innenraum eines Fahrzeugs
DE102015115579.6 2015-09-16

Publications (2)

Publication Number Publication Date
WO2017045672A2 true WO2017045672A2 (fr) 2017-03-23
WO2017045672A3 WO2017045672A3 (fr) 2017-05-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2016/100429 WO2017045672A2 (fr) 2015-09-16 2016-09-14 Dispositif d'éclairage pour l'habitacle d'un véhicule

Country Status (2)

Country Link
DE (1) DE102015115579A1 (fr)
WO (1) WO2017045672A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220281382A1 (en) * 2018-12-26 2022-09-08 Lumileds Llc Vehicle interior lighting and illumination

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Publication number Priority date Publication date Assignee Title
EP3540294A1 (fr) * 2018-03-15 2019-09-18 ZKW Group GmbH Module lumineux du véhicule automobile
FR3079473B1 (fr) * 2018-03-30 2020-10-02 Valeo Vision Systeme d'eclairage interieur pour vehicule automobile
FR3079474B1 (fr) * 2018-03-30 2020-10-02 Valeo Vision Systeme optique pour vehicule automobile

Citations (3)

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DE102009024894A1 (de) 2009-06-15 2010-12-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Projektionsdisplay und dessen Verwendung
DE102012017276A1 (de) 2012-08-31 2014-03-06 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zum automatischen Steuern einer Leuchteinheit im Innenraum eines Fahrzeugs
WO2014206626A1 (fr) 2013-06-24 2014-12-31 Bayerische Motoren Werke Aktiengesellschaft Véhicule automobile

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Publication number Priority date Publication date Assignee Title
DE102009024894A1 (de) 2009-06-15 2010-12-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Projektionsdisplay und dessen Verwendung
DE102012017276A1 (de) 2012-08-31 2014-03-06 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zum automatischen Steuern einer Leuchteinheit im Innenraum eines Fahrzeugs
WO2014206626A1 (fr) 2013-06-24 2014-12-31 Bayerische Motoren Werke Aktiengesellschaft Véhicule automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220281382A1 (en) * 2018-12-26 2022-09-08 Lumileds Llc Vehicle interior lighting and illumination

Also Published As

Publication number Publication date
DE102015115579A1 (de) 2017-03-16
WO2017045672A3 (fr) 2017-05-11

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