WO2014124997A1 - Élément profilé électroluminescent pour produire un éclairage de contour ou un éclairage accentué dans des habitacles de véhicules et utilisation de cet élément - Google Patents

Élément profilé électroluminescent pour produire un éclairage de contour ou un éclairage accentué dans des habitacles de véhicules et utilisation de cet élément Download PDF

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Publication number
WO2014124997A1
WO2014124997A1 PCT/EP2014/052772 EP2014052772W WO2014124997A1 WO 2014124997 A1 WO2014124997 A1 WO 2014124997A1 EP 2014052772 W EP2014052772 W EP 2014052772W WO 2014124997 A1 WO2014124997 A1 WO 2014124997A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
emitting profile
emitting
profile
lighting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2014/052772
Other languages
German (de)
English (en)
Inventor
Wolfgang Mueller
Ingo Reinbach
Peter Gerd MUELLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Controls GmbH
Original Assignee
Johnson Controls 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 Johnson Controls GmbH filed Critical Johnson Controls GmbH
Publication of WO2014124997A1 publication Critical patent/WO2014124997A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02042—Multicore optical fibres
    • 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
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • 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
    • B60Q3/78—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for generating luminous strips, e.g. for marking trim component edges
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre

Definitions

  • the invention relates to a light-emitting profile for contour lighting or accentuated lighting in vehicle interiors with the features of the preamble of claim 1 and its use according to claims 14 and 15.
  • a light-emitting profile which consists of several side-emitting stages of index fibers, which are surrounded by a transparent or translucent jacket consists.
  • the step index fibers are not fixed to one another within the fiber bundle, so that, in particular during deformation of the light emitting profile, undesired movements occur between the fibers or of fibers relative to the jacket. For example, shifting the fiber distribution within the shell may result in undesirable brightness distribution within the light emitting profile.
  • the light-emitting profiles are to serve for contour lighting and to follow the contour of three-dimensionally shaped objects. Also for a targeted uneven distribution of the fibers in the profile, for example, to produce different light intensities in different directions, is the fixation of the fibers
  • US 2012/00991 12 A1 discloses a light guide for a medical
  • the light guide is arranged for example in tubes, at the ends of which light exit openings are provided. However, this contradicts the suitability of the light guide for contour lighting or accentuated lighting.
  • EP 2 028 048 A1 discloses a decorative body which is sandwiched. Light effects are produced by several light-conducting layers, on which an additional translucent litter layer and lichtabsde
  • the illumination device is designed in such a way that light can be coupled out from at least part of the side surfaces of the light guide.
  • applications of the lighting devices are flat large area lights, wallpapers and wall coverings called, but no applications in vehicle interiors.
  • the disclosed embodiments are either flat or comprise only a single optical fiber. task
  • the invention is based on the object to improve a light-emitting profile of the type mentioned, in particular to achieve a permanent fixation of the individual fibers with each other. Furthermore, suitable light-emitting profiles are to be provided which are suitable for use for contour lighting or accent lighting of objects in vehicle interiors. solution
  • the relative positions of the light guides or light elements in the light-emitting profile are fixed to one another and additionally damage and contamination protected.
  • Transparent means that the matrix is translucent; the term translucency describes a partial translucency.
  • luminous element is to be understood as meaning, in particular, actively light-emitting luminous elements, such as, for example, light-emitting diodes and electroluminescent-equipped filaments.
  • Weight and cost-optimized light-emitting profiles are achieved by a core is arranged inside the light-emitting profile, of the
  • Material of the matrix is surrounded. In the region of the core then preferably no matrix material is present.
  • the core inside the light-emitting profile, the surrounded by the material of the matrix also facilitates use of the light-emitting profile for generating light effects by the individual light guides and / or light elements in a defined spatial distribution and / or a defined time sequence can be illuminated or brought to light.
  • the core in the light-emitting profile according to the invention also stabilizes the profile, in particular at high temperatures, as are unavoidable, for example, in a vehicle parked in tropical regions in a blazing sun.
  • the core ensures the dimensional stability of the profile at higher temperatures.
  • the core stabilizes the fiber arrangement in the interior of the matrix material, so that the optical fiber can be dispensed with, as disclosed in DE 102 06 613 A1,
  • the core in the interior of the profile therefore offers distinct advantages when using the profile in vehicle interiors and in the production of light effects.
  • the core may be made hollow inside or consist of a material with a lower density compared to the matrix material, so that one
  • Inner hollow cores preferably have a tubular contour.
  • a particularly good suitability for the use of a light-emitting profile according to the invention for generating light effects, contour lighting or accentuated lighting in vehicle interiors can be achieved by selectively emitting light from the light-emitting profile in at least one section located between two ends of the light-emitting profile. Preferably, light can emerge laterally from this over the entire length of the light-emitting profile.
  • the matrix of the light-emitting profile consists of a
  • Matrix material are umgössen.
  • the light-emitting profile is preferably profiled in a strand, as is known for example from extruded profiles. It is particularly easy to produce profiles whose cross-section over the entire length of the light-emitting profile has a constant cross-section. However, it is also possible to produce profile profiles whose cross section varies along the axial extent of the profile or whose cross sections are rotated relative to one another, so that, for example, the visual impression of a twisted profile is produced.
  • the luminosity of the light-emitting profile can be selectively changed, in particular amplified, by the core being made of a reflective material and / or provided with a reflective coating, in particular only on the outside of the core.
  • the core consists of a non-photoconductive material, individual areas of the light-emitting profile can be contrasted with each other delimited.
  • individual light guides of the light-emitting profile can be connected to individual light sources in a defined manner. Thereby, a monochrome pattern or, when using light sources of different colors, a pattern of different colors over the radius or perimeter of the light-emitting profile can be produced.
  • multicolor light-emitting diodes in particular with automatic color change, for feeding light into the light-emitting profile or as light-emitting elements, allows a great deal of creative freedom for light effects.
  • the core itself consists of a luminous material.
  • the lateral surface of the core (or in the case of solid cores the entire core) may even be embodied in the manner of a light guide or may be coated with particles which shine by applying an electrical voltage.
  • the contour of the light-emitting profile may include an integrated mounting area for its attachment to another component, such as a vehicle seat.
  • This attachment region can be sewn to the component, for example, or attached to it in a materially cohesive, positive-locking or force-fitting manner.
  • Particularly impressive are the light-emitting inventive
  • the light guides or actively light emitting light elements may be distributed uniformly or non-uniformly over the cross section of the light emitting profile. This applies to all profile shapes. For light-emitting profiles with a
  • Fixing area it is possible, for example, the optical fibers or
  • FIG. 1 shows a cross section through a first embodiment of a
  • FIG. 2 shows a cross section through a second embodiment of a
  • Fig. 3 is a schematic representation of a cross section through a third
  • Embodiment of a light-emitting profile with a mounting area Embodiment of a light-emitting profile with a mounting area
  • FIG. 4 shows a schematic representation of a cross section through a fourth
  • Fig. 5 a schematic representation of a cross section through a fifth
  • Embodiment of a light-emitting profile Embodiment of a light-emitting profile.
  • a light-emitting profile 1 shown in cross-section in FIG. 1 consists of several (in the present case approximately sixty) optical waveguides 2 and a matrix 5 completely enclosing the optical waveguides 2.
  • the light-emitting profile 1 may additionally comprise non-photoconductive and non-luminous fibers 3, in particular tensile fibers with high tensile strength.
  • the fibers 3 improve the mechanical properties of the light-emitting profile 1 and serve as a core, as will be described in more detail below
  • the spatial arrangement of the light guides 2 (and optionally the fibers 3) in the matrix 5 is similar to an arrangement of reinforcing fibers in one Matrix material of a long fiber reinforced fiber composite material.
  • the term of complete enclosure also includes solutions in which the
  • Light guide 2 are embedded in a porous matrix material.
  • the light guides 2 are present as page-emitting optical fibers
  • the matrix 5 defines the strand-shaped profiled outer contour of the light-emitting profile 1 and consists of a transparent or
  • Profile 1 is circular, so that the light-emitting profile 1 in a
  • the undeformed state has a largely cylindrical outer contour.
  • the center of the circular cross-section and a longitudinal axis of the strand-like profiled contour extending perpendicularly to the cross section through the center define a cylindrical coordinate system which defines the directions used below.
  • the material of the matrix preferably consists of a flexible plastic, so that the light-emitting profile 1 is elastically deformable. This makes it possible to use the light-emitting profile 1 versatile for contour lighting or accentuated lighting.
  • the light-emitting profile 1 is in a conventional manner on one side over one of two end faces of the light-emitting profile 1 to a light source connected. In a modification of the embodiment, both end faces are connected to a respective light source.
  • the luminosity of the light-emitting profile 1 can be varied by changing the number of the light guides 2.
  • the light guides are distributed uniformly over the cross section of the light-emitting profile 1, however, an uneven distribution in individual cases may be useful, for example, to generate different light intensities in different directions.
  • Particularly varied design possibilities of the light-emitting profile 1 can be achieved in that the light-emitting profile 1 has a plurality of light guides 2, which can be connected to a plurality of light sources and individual light guides 2 can be connected to individual light sources. Thereby, a pattern of different colors over the radius or the circumference of the light-emitting profile 1 can be generated.
  • Embodiment of a light-emitting profile 101 corresponds to the first embodiment except for the features described deviating.
  • the reference numerals are increased by 100 compared to the first embodiment.
  • the light emitting profile 101 has at its center along its
  • the matrix 105 covers several optical fibers 102 as described above.
  • the light-emitting profile 101 may additionally comprise non-luminous fibers 103, in particular tensile fibers with high tensile strength.
  • the Fibers 103 improve the mechanical properties of the light-emitting profile 101.
  • the core 107 is presently hollow inside and has a tubular contour. In the region of the core there is no material of the matrix 105. In a modification of the second embodiment, the core may also be made
  • the core 107 is made of reflective material or is with a
  • the light guides 102 are only partially enclosed by the material of the matrix 105, for example only with an outer jacket surface.
  • the third exemplary embodiment of a light-emitting profile 201 which is described below and shown schematically in FIG. 3 (without depiction of the individual light guides), corresponds to the first exemplary embodiment and / or the second exemplary embodiment, with the exception of the features deviating from those described.
  • the reference numerals are increased by 200 compared to the first embodiment.
  • the second light-emitting profile 201 has a circular cross-section
  • the light guides or actively light emitting light elements may be distributed uniformly or non-uniformly over the cross section. So it is possible the Introduce light guide or light elements only in the round part of the light-emitting profile 201.
  • the fourth exemplary embodiment of a light-emitting profile 301 shown schematically in FIG. 4 corresponds to the first exemplary embodiment and / or the second exemplary embodiment, with the exception of the features deviating from those described.
  • the reference numerals are increased by 300 compared to the first embodiment.
  • the cross section of the light emitting profile 301 has the shape of a
  • the light-emitting profile 301 can thus be inserted according to the principle of a tongue and groove connection with the wider base side oriented to the groove in a corresponding groove of an object.
  • the fourth exemplary embodiment of a light-emitting profile 401 shown schematically in FIG. 5 corresponds, with the exception of the features described deviatingly, to the first exemplary embodiment and / or the second exemplary embodiment.
  • the reference numerals are increased by 400 compared to the first embodiment.
  • the cross section of the light emitting profile 401 has a T-shaped geometry.
  • the light-emitting profile 401 can thus be inserted according to the principle of a sliding block with the wider base side oriented towards the groove in a corresponding groove of an object.
  • the light-emitting profile 1, 101, 201, 301, 401 instead of the light guides 2 or
  • a plurality of light elements, in particular active light emitting light elements, such as light emitting diodes or electroluminescent equipped threads are used.
  • the previously described light-emitting profiles 1, 101, 201, 301 and 401 are used in particular for contour lighting or accentuated lighting in vehicle interiors, for example for contour lighting of vehicle seats, door panels or dashboards.
  • the light emitting profiles 1, 101, 201, 301 and 401 may also replace piping on vehicle seat covers.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne un élément profilé électroluminescent (1, 101, 201, 301, 401) pour produire un éclairage de contour ou un éclairage accentué dans des habitacles de véhicules, comprenant au moins deux guides de lumière (2, 102) et/ou au moins deux éléments lumineux, ce ou ces guides de lumière (2, 102) et/ou ce ou ces éléments lumineux étant totalement entourés par une matrice (5) en matière transparente ou translucide. Selon l'invention, un cœur (107) est disposé à l'intérieur de l'élément profilé électroluminescent (1, 101, 201, 301, 401), ce cœur (107) étant entouré par la matière de la matrice (105). L'invention concerne en outre l'utilisation d'un élément profilé électroluminescent (1, 101, 201, 301, 401) de ce type pour produire des effets de lumière et un éclairage de contour ou un éclairage accentué dans des habitacles de véhicules.
PCT/EP2014/052772 2013-02-15 2014-02-13 Élément profilé électroluminescent pour produire un éclairage de contour ou un éclairage accentué dans des habitacles de véhicules et utilisation de cet élément Ceased WO2014124997A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013002822.1 2013-02-15
DE102013002822.1A DE102013002822A1 (de) 2013-02-15 2013-02-15 Lichtemittierendes Profil und dessen Verwendung

Publications (1)

Publication Number Publication Date
WO2014124997A1 true WO2014124997A1 (fr) 2014-08-21

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ID=50112896

Family Applications (1)

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PCT/EP2014/052772 Ceased WO2014124997A1 (fr) 2013-02-15 2014-02-13 Élément profilé électroluminescent pour produire un éclairage de contour ou un éclairage accentué dans des habitacles de véhicules et utilisation de cet élément

Country Status (2)

Country Link
DE (1) DE102013002822A1 (fr)
WO (1) WO2014124997A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3037123A1 (fr) * 2015-06-08 2016-12-09 Brochier Tech Procede de fabrication d'un dispositif lumineux, et dispositif ainsi obtenu
GB2568862A (en) * 2017-10-06 2019-06-05 Waveguide Lighting Ltd A waveguide and lighting device comprising the waveguide

Citations (11)

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Publication number Priority date Publication date Assignee Title
US5734773A (en) 1994-05-24 1998-03-31 Asahi Kasei Kogyo Kabushiki Kaisha Multicore plastic optical fiber for light signal transmission
US20020090182A1 (en) * 2001-01-09 2002-07-11 Clarkin James P. Long length, side-emitting fiber optic cables
DE10206613A1 (de) 2002-02-15 2003-08-28 Der Kluth Decke Und Licht Gmbh Beleuchtungsvorrichtung mit Lichtleitern
US20040151430A1 (en) * 2003-02-03 2004-08-05 Ceramoptec Industries Inc. Directionally illuminating emergency system
FR2876174A1 (fr) * 2004-10-04 2006-04-07 Lionel Granger Equipement de marquage, de signalisation et d'enseigne
EP2028048A1 (fr) 2007-08-22 2009-02-25 CCL Design GmbH Corps de décoration doté d'éléments de décoration pouvant être éclairés
DE102008009137A1 (de) 2008-02-14 2009-08-27 Schott Ag Seitenemittierende Stufenindexfaser
DE102009039556A1 (de) * 2008-09-01 2010-03-25 Schott Ag Beleuchtungssystem sowie Verfahren zu dessen Herstellung
US20120099112A1 (en) 2010-10-25 2012-04-26 Gerard Argant Alphonse Multi-core low reflection lateral output fiber probe
US20120148194A1 (en) * 2009-06-24 2012-06-14 Li-Chen Wang Light guiding device
DE102011006645A1 (de) * 2011-04-01 2012-10-04 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeuginnenbeleuchtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218221B (en) 1988-05-07 1992-06-10 Stc Plc Optical fibre cable for non-intrusive access
DE19940849B4 (de) 1999-08-27 2013-01-03 Lisa Dräxlmaier GmbH Lichtwellenleiter
GB0200776D0 (en) 2002-01-15 2002-03-06 Graham Morton An illuminated clear rod

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734773A (en) 1994-05-24 1998-03-31 Asahi Kasei Kogyo Kabushiki Kaisha Multicore plastic optical fiber for light signal transmission
US20020090182A1 (en) * 2001-01-09 2002-07-11 Clarkin James P. Long length, side-emitting fiber optic cables
DE10206613A1 (de) 2002-02-15 2003-08-28 Der Kluth Decke Und Licht Gmbh Beleuchtungsvorrichtung mit Lichtleitern
US20040151430A1 (en) * 2003-02-03 2004-08-05 Ceramoptec Industries Inc. Directionally illuminating emergency system
FR2876174A1 (fr) * 2004-10-04 2006-04-07 Lionel Granger Equipement de marquage, de signalisation et d'enseigne
EP2028048A1 (fr) 2007-08-22 2009-02-25 CCL Design GmbH Corps de décoration doté d'éléments de décoration pouvant être éclairés
DE102008009137A1 (de) 2008-02-14 2009-08-27 Schott Ag Seitenemittierende Stufenindexfaser
DE102009039556A1 (de) * 2008-09-01 2010-03-25 Schott Ag Beleuchtungssystem sowie Verfahren zu dessen Herstellung
US20120148194A1 (en) * 2009-06-24 2012-06-14 Li-Chen Wang Light guiding device
US20120099112A1 (en) 2010-10-25 2012-04-26 Gerard Argant Alphonse Multi-core low reflection lateral output fiber probe
DE102011006645A1 (de) * 2011-04-01 2012-10-04 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeuginnenbeleuchtung

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