EP2714469A1 - Dispositif d'éclairage destiné à l'habitacle d'un véhicule - Google Patents

Dispositif d'éclairage destiné à l'habitacle d'un véhicule

Info

Publication number
EP2714469A1
EP2714469A1 EP12727620.2A EP12727620A EP2714469A1 EP 2714469 A1 EP2714469 A1 EP 2714469A1 EP 12727620 A EP12727620 A EP 12727620A EP 2714469 A1 EP2714469 A1 EP 2714469A1
Authority
EP
European Patent Office
Prior art keywords
light
lighting device
light guide
designed
guiding element
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.)
Withdrawn
Application number
EP12727620.2A
Other languages
German (de)
English (en)
Inventor
Wolfgang 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 Interiors GmbH and Co KG
Original Assignee
Johnson Controls Interiors GmbH and Co KG
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 Interiors GmbH and Co KG filed Critical Johnson Controls Interiors GmbH and Co KG
Publication of EP2714469A1 publication Critical patent/EP2714469A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60Q3/50—Mounting arrangements
    • B60Q3/51—Mounting arrangements for mounting lighting devices onto vehicle interior, e.g. onto ceiling or floor
    • 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
    • B60Q3/80—Circuits; Control arrangements
    • B60Q3/82—Switches specially adapted for vehicle interior lighting, e.g. switching by tilting the lens
    • 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
    • B60Q3/225—Small compartments, e.g. glove compartments
    • 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
    • B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
    • B60Q3/745—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps using lighting panels or mats, e.g. electro-luminescent panels, LED mats
    • 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

Definitions

  • the invention relates to a lighting device for a vehicle interior.
  • lighting devices which use LEDs as a light source and also distribute their luminous flux by means of a reflector and lens.
  • a lighting device is known for example from WO 2010/1 12191 A1, EP 1 270 331 A1 and the
  • Object of the present invention is to provide an improved lighting device for a vehicle interior.
  • a lighting device for a vehicle interior which comprises a flat and / or plate-shaped light guide, in which at least one end face by means of at least one light emitting diode, a luminous flux can be introduced, wherein the light guide is held at least partially edge-side in a frame member, in which at least one light-emitting diode and / or at least one switching element are arranged.
  • a surface of the light-guiding element lying opposite the vehicle interior is designed as a light-deflecting surface and one to the vehicle interior facing surface of the light guide formed as a light output surface.
  • the light deflection surface is preferably at least
  • formed structured sections for example, provided with prisms, lenses, a defined roughness and / or printing.
  • the light output surface is substantially perpendicular to the light input surface.
  • Light guide in particular the surface of the light outcoupling a defined roughness, preferably in a range of 90% to 100% of the total area.
  • a defined roughness preferably in a range of 90% to 100% of the total area.
  • the light-guiding element can also be provided with internal
  • the illumination device comprises optical elements, in particular prisms and / or lenses, or the light output surface is printed. In or on the frame element switching elements for operating the lighting device can be arranged or integrated.
  • a necessary space for the lighting device is minimized, resulting in particular for the vehicle interior a greater freedom of design in the arrangement and design of the
  • Lighting device results.
  • the lighting device flat and / or plate-shaped and preferably has a thickness of less than 10 mm, more preferably less than 5 mm.
  • a development of the invention provides that the frame element completely surrounds the light guide element and that the light source is arranged on at least one side edge of the light guide element in the frame element. This allows a particularly compact and flat design of
  • the frame element and the light-guiding element enclosed by it are preferably designed as a cover element.
  • the cover is pivotally mounted and for this purpose has expediently at least one side edge on a hinge.
  • this preferably has at least one switching element.
  • the switching element is arranged or integrated in one possible embodiment in or on the frame member.
  • the light-guiding element itself may be formed as a switch-sensitive element.
  • the luminous flux of the light-emitting diodes here means a brightness of the light emitted by the light-emitting diode that is perceived by the human eye.
  • Due to the particularly flat design with a thickness of less than 10 mm, in particular less than 5 mm of the lighting device according to the invention is a corresponding embossment in one Vehicle-side carrier, for example, a conventional headliner possible, so that a conventional recess in the carrier is eliminated.
  • the lighting device according to the invention can be adapted in a particularly simple manner the flat contours of the headliner or integrated into this.
  • a storage compartment may be arranged behind the lighting device according to the invention.
  • the light-guiding element and its frame element can be designed as a cover element which covers the storage compartment.
  • the light guide itself serve as a switch-sensitive surface.
  • Fig. 1 shows schematically a perspective view of a
  • FIG. 2 schematically shows a side view of a lighting device for a vehicle interior
  • FIG. 3 is a schematic side view of a cover device designed as a lighting device for a vehicle interior, wherein the cover is in a closed position
  • a cover device designed as a lighting device for a vehicle interior, wherein the cover is in a closed position
  • Fig. 4 schematically shows a side view of a cover
  • FIG. 1 schematically shows a perspective view of one
  • Lighting device 1 for a vehicle interior not shown, with arranged in the frame element 2 switching elements 3, shown.
  • the lighting device 1 makes it possible to use light-emitting diodes with a high luminous flux for illuminating the vehicle interior, in particular a uniform light distribution without
  • the lighting device 1 comprises at least one light-guiding element 4 and the
  • the light guide 4 is flat and / or plate-shaped and formed, for example, as a plastic plate or plastic disc.
  • the plastic disc is transparent.
  • a luminous flux of a light source is initiated.
  • at least one conventional light emitting diode 6 serves as the light source.
  • the luminous flux the light-emitting diode 6 propagates uniformly in the light guide 4, wherein this uniform spread, supported by means not shown corresponding surface structure or roughness or scattering means in the light guide 4 or can be improved.
  • a luminous flux of at least one conventional light-emitting diode 6 can be introduced at several or all end faces 5 of the light-guiding element 4.
  • a plurality of light-emitting diode 6 can be arranged on one end face 5.
  • the light-emitting diode or the light-emitting diodes 6 is an electronic semiconductor component and thus an essentially maintenance-free light source with a particularly long service life.
  • a surface 7 of the light-guiding element 4 lying opposite the vehicle interior is designed as a light-deflecting surface and a surface facing the vehicle interior is formed as a light coupling-out surface 13.
  • the Lichtumlenk Chemistry 7 is preferably structured, for example, with prisms, lenses, a defined roughness and / or printing, z. B. provided with a light and / or white dot-like pattern.
  • FIGS. 2A to 2C show various embodiments for structuring the surface 7 of the light-guiding element 4 serving as the light-deflecting surface. This surface structuring enables a particularly uniform and glare-free emission of the luminous flux into the vehicle interior.
  • the light output surface 13 is designed substantially flat and smooth.
  • the light-guiding element 4 is held on the edge side at least in sections in a frame element 2.
  • the frame element 2 is arranged completely peripherally circumferentially.
  • the frame element 2 is preferably made of an opaque plastic.
  • the frame element 2 gives the lighting device 1 an additional stability and prevents undesired lateral leakage of the luminous flux at the end faces 5 of the lighting device 1
  • the frame element 2 can be extended with an operating section 8, in which at least one switching element 3 is arranged.
  • the switching elements 3 as conventional switching elements, such as buttons, formed and allow operation of the lighting device. 1
  • the frame element 2 and the operating section 8 are preferably formed in one piece and form an integrated structural unit.
  • non-contact switching elements 3 can be used, 4 advantageous design variations in the vehicle interior possible by the use of non-contact switching elements 3 for switching the light guide 4 are.
  • the light guide 4 itself as
  • FIG. 2 schematically shows a side view of the lighting device 1 for a vehicle interior.
  • the lighting device 1 according to the invention advantageously has a thickness D of less than 10 mm, preferably the thickness D is less than 5 mm.
  • Lighting device 1 is a corresponding embossment in a vehicle-side support, for example, a conventional headliner sufficient so that a conventional recess in the carrier can be omitted.
  • the lighting device 1 can be adapted in a particularly simple manner to the flat contours of a conventional headliner, in particular in the case of a vehicle front windshield arranged at a shallow angle, or integrated into it.
  • FIG. 3 schematically shows a side view of a lighting device 1 designed as a cover element 9 for a vehicle interior, the cover element 9 being in a closed position. Due to this particularly flat design of the invention
  • Lighting device 1 can in a space on the back of the
  • Lighting device 1 a storage compartment 10 may be arranged. This is due to the significantly reduced overall depth of the lighting device 1 in FIG.
  • the light guide 4 and the frame member 2 are designed as a pivotable cover 9, which the storage compartment 10 behind the
  • Lighting device 1 covers.
  • the arrangement of the lighting device 1 in the pivotable cover 9 of the storage compartment 10, this area for multiple functions (lighting and cover) can be used. This allows a compact and space-saving design.
  • the cover 9 is pivotally mounted by means of a conventional hinge, not shown, on the frame 8, which has been extended here by a rear cover 12 of the storage compartment 10. In the closed position, the cover 9 by means of a conventional releasable closure means 1 1, for example a latching connection, one
  • FIG. 4 schematically shows a side view of a lighting device 1 designed as a cover element 9 for a vehicle interior, the cover element 9 being in an open position.
  • the cover 9 is pivoted by means of the conventional hinge, not shown, after release of the closure means 1 1 in the direction of the vehicle interior, so that access to the storage compartment 10 is possible.

Landscapes

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

Abstract

L'invention concerne un dispositif d'éclairage (1) destiné à l'habitacle d'un véhicule et comprenant un élément de guidage de lumière (4) doté d'une surface d'injection de lumière et d'une surface d'extraction de lumière, un flux lumineux pouvant être introduit dans la surface d'injection de lumière au moyen d'au moins une source lumineuse. L'élément de guidage de lumière (4) est maintenu au moins par endroits dans un élément d'encadrement (2) côté périphérie. Selon l'invention, la ou les sources lumineuses sont agencées dans l'élément d'encadrement (2) de telle manière que la surface d'extraction de lumière (13) s'étend sensiblement de manière perpendiculaire par rapport à la surface d'injection de lumière, l'élément de guidage de lumière (4) étant au moins par endroits structuré.
EP12727620.2A 2011-05-24 2012-05-24 Dispositif d'éclairage destiné à l'habitacle d'un véhicule Withdrawn EP2714469A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011103022 2011-05-24
PCT/EP2012/059713 WO2012160139A1 (fr) 2011-05-24 2012-05-24 Dispositif d'éclairage destiné à l'habitacle d'un véhicule

Publications (1)

Publication Number Publication Date
EP2714469A1 true EP2714469A1 (fr) 2014-04-09

Family

ID=46298379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12727620.2A Withdrawn EP2714469A1 (fr) 2011-05-24 2012-05-24 Dispositif d'éclairage destiné à l'habitacle d'un véhicule

Country Status (6)

Country Link
US (1) US20140286029A1 (fr)
EP (1) EP2714469A1 (fr)
JP (1) JP5690971B2 (fr)
KR (1) KR20140015580A (fr)
CN (1) CN103619651A (fr)
WO (1) WO2012160139A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5849998B2 (ja) * 2013-06-25 2016-02-03 株式会社デンソー 車両用表示装置
EP3181998A1 (fr) * 2015-12-14 2017-06-21 ETA SA Manufacture Horlogère Suisse Guide de lumiere pour l'eclairage d'un dispositif d'affichage
JP6438905B2 (ja) * 2016-04-04 2018-12-19 矢崎総業株式会社 車内照明装置
USD797032S1 (en) * 2016-04-26 2017-09-12 Darrin Dagrossa Compressible traction device
DE102017205789B4 (de) * 2017-04-05 2022-04-21 Volkswagen Aktiengesellschaft Innenraumleuchte für ein Kraftfahrzeug

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JPH057538A (ja) * 1991-07-03 1993-01-19 Oji Paper Co Ltd 電気掃除機集塵袋用ろ紙
JP2549118Y2 (ja) * 1991-07-17 1997-09-30 三菱自動車工業株式会社 平板型照明装置
DE10036812A1 (de) * 2000-07-28 2002-02-07 Hella Kg Hueck & Co Beleuchtungseinrichtung
FI110636B (fi) 2001-06-29 2003-02-28 Teknoware Oy Järjestely valaisimen yhteydessä ja valaisin
GB0224643D0 (en) 2002-10-23 2002-12-04 Delphi Tech Inc A lighting component
JP2006027304A (ja) * 2004-07-12 2006-02-02 Toyota Boshoku Corp 照明装置および車両天井構造
JP4264654B2 (ja) * 2004-10-25 2009-05-20 株式会社今仙電機製作所 車両用コンソール装置
JP4634906B2 (ja) * 2005-10-18 2011-02-16 株式会社フジクラ 車両用照明装置
JP4432911B2 (ja) * 2006-02-03 2010-03-17 豊田合成株式会社 装飾体及び該装飾体を蓋部とした収容箱
DE202006003757U1 (de) * 2006-03-09 2006-07-20 Fer Fahrzeugelektrik Gmbh Fahrzeuginnenraumleuchte
JP2008174132A (ja) * 2007-01-19 2008-07-31 Ichikoh Ind Ltd 車両用室内照明装置
US20080191626A1 (en) * 2007-02-08 2008-08-14 Ford Global Technologies, Llc Lighting system
JP5051119B2 (ja) * 2008-12-25 2012-10-17 豊田合成株式会社 照明装置
DE102009055733A1 (de) 2009-04-03 2010-10-14 Johnson Controls Interiors Gmbh & Co. Kg Beleuchtungseinrichtung

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
JP2014517792A (ja) 2014-07-24
JP5690971B2 (ja) 2015-03-25
WO2012160139A1 (fr) 2012-11-29
CN103619651A (zh) 2014-03-05
US20140286029A1 (en) 2014-09-25
KR20140015580A (ko) 2014-02-06

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