EP3439919A1 - Beleuchtungsvorrichtung für ein fahrzeug - Google Patents
Beleuchtungsvorrichtung für ein fahrzeugInfo
- Publication number
- EP3439919A1 EP3439919A1 EP17712466.6A EP17712466A EP3439919A1 EP 3439919 A1 EP3439919 A1 EP 3439919A1 EP 17712466 A EP17712466 A EP 17712466A EP 3439919 A1 EP3439919 A1 EP 3439919A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- emitting element
- lighting device
- light emitting
- light source
- 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.)
- Pending
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
- B60Q3/60—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
- B60Q3/20—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
- B60Q3/50—Mounting arrangements
- B60Q3/54—Lighting devices embedded in interior trim, e.g. in roof liners
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- 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, comprising a light source, a line-shaped light emitting element for emitting light, which is fed by the light source via a coupling surface of the light emitting element in the light emitting element, and a light guide element for distribution and / or direction of light, of the light emitting element is fed into the light guide element comprises.
- the invention further relates to an interior fitting part.
- an interior trim part for a vehicle which comprises a light guide fed by a light source for emitting light and a strip-shaped light guide element.
- the light guide element has a first and a second surface, wherein the first surface is one of the two largest surfaces of the light guide element.
- the second surface is a deviating surface and includes a coupling surface.
- the light guide element and the light guide are arranged and configured such that light from the light guide passes over the light guide
- Coupling surface in the first surface can be coupled into the light guide element and coupled out via the second surface. This provides point and line illumination of small dimensions.
- DE 10 2012 015 057 A1 includes a lighting device for a vehicle which comprises a light source and a surface light guide, wherein the light emission of the light source is coupled into the surface light guide via an end face of a surface light guide designed as a light coupling surface.
- the invention proposes a lighting device for a vehicle which includes a light source, a line-shaped light emitting element for emitting light supplied from the light source via a coupling surface of the light emitting element into the light emitting element, and a light guiding element for distributing and / or directing light is fed by the light emitting element in the light guide element comprises.
- the illumination device is characterized in that the light source is formed linienformig and is arranged parallel to the light emitting element, so that light from the light source on a longitudinal side of the light emitting element in the coupling surface in the light emitting element can be coupled.
- the lighting device according to the invention provides linearly form the light source and coupled at least over a portion of the longitudinal extent of the light emitting element laterally into the light emitting element. As a result, it is possible for dynamic lighting effects to be achieved with the aid of the lighting device according to the invention.
- the light source extends over a part of the length or over the entire length of the light emission element.
- the Light source to a plurality of light units, which are arranged on a carrier spaced from each other.
- the light source may be formed, for example, as a so-called band of light emitting diodes (LED strip for short).
- LED band light-emitting diodes are arranged in chip form on a carrier at predetermined intervals. This makes it possible to provide over the length of the light emitting element, a plurality of light units, which each feed light on the longitudinal side of the light emitting element in the light emitting element.
- the lighting units can be controlled individually by a control device with respect to their light intensity and / or their switch-on state and / or their light color.
- the illumination device can generate a dynamic light, for example a light point traveling along the light guide element or a traveling light path.
- the light source and the light emission element can be arranged on a common carrier element.
- the electrical connection of the light units with voltage and control lines. Thereby, it is possible to connect the unit of the light source and the light emitting element as a constituent unit to the optical waveguide element for distributing and / or directing light which is fed into the optical waveguide element by the light emitting element.
- the light emission element has such a cross-section perpendicular to its longitudinal extension, so that the light fed by the light source travels a predetermined minimum length between the coupling-in surface and a coupling-out surface.
- lighting units include e.g. an RGB chip, i. an LED chip, which is designed to emit red, green and blue light, wherein any colors can be generated by mixing the individual colors.
- the cross section of the light emission element is strip-shaped, wherein it has a first surface and a second surface, wherein the first surface is one of the two largest surfaces of the Lichtemissionsele- and the second surface is a deviating surface, wherein the first surface comprises the coupling surface and the second surface comprises the coupling-out surface. That is, the light source and the light emitting element are arranged and configured such that light from the light source passes through the larger one
- Coupling surface can be coupled into the light emitting element and coupled out via the second, smaller surface.
- the installation space of the lighting device can be minimized since, according to this embodiment, it is possible for the light source to be arranged laterally with respect to the longitudinal side of the light-emitting element.
- the cross section of the light emitting element has substantially the shape of a pentaprism.
- the light source and the light emission element are arranged and configured such that the light can be coupled into the light emission element transversely to the longitudinal extent of the light emission element. This means that the light from the light source on the longitudinal side of the light emission element can be coupled into the coupling surface into the light emission element.
- the light source and the light emitting element are arranged and configured such that the direction of the outcoupling of the light from the light emitting element is substantially transverse to the direction of the coupling of the light into the light emitting element. This allows a small space of the lighting device.
- the invention further proposes an interior trim part for a vehicle, which comprises a lighting device of the lighting device reproduced in this description.
- the interior trim part has the same advantages as described above in connection with the lighting device.
- the interior trim part comprises a decorative element.
- the invention will be described in more detail below with reference to an embodiment in the drawing. Show it:
- FIG. 2 shows a section through a lighting device according to a first
- Fig. 1 shows a section through a conventional lighting device for a vehicle, which is used as an interior fitting part, e.g. on the inside of the doors, for which vehicle is used.
- the lighting device comprises a line-shaped light emission element 2, a light guide element 3 and a decorative or ornamental element 9.
- the light emission element 2, the light guide element 3 and the decorative element 9 extend parallel and perpendicular to the plane in this.
- the light-emitting element 2, which here only by way of example has a circular diameter, consists of a plastic or glass and is clear or partially transparent.
- the light emission element 2 lies in a recess, matched to the cross-sectional shape of the light emission element 2, of the light guide element 3.
- a light source (not shown) is arranged on one or both end faces of the light emission element 2.
- the coupling-out surface 2 a of the light-emitting element 2 rests against a coupling-in surface 3 e of the light-conducting element 3.
- the light guide element 3 consists of a diffuse material. Since the ornamental element 9 is not permeable to the propagating light in the light guide element 3, the light is applied the narrow side below the decorative element 9.
- the coupling-out surface of the light guide element 3 is identified at this point by the reference symbol 3a.
- a static light in this specification is understood to mean a lighting device in which the light exiting at the outcoupling surface 3a of the lightguide element 3 is uniform in light color and / or light intensity and / or brightness over its entire length (i.e., the extension in sheet plane).
- the illumination device according to the invention shown in FIG. 2 enables a dynamic light in which the light color and / or light intensity and / or brightness can vary in points or sections.
- the unit of light emitting element 2 and light source 1 is changed.
- the unit of light source 1 and light emitting element 2 is hereinafter also referred to as a light module.
- the design of the decorative element 9 and the light guide element 3 and in particular the embodiment of the coupling surface 3e of the light guide element 3 is unchanged. By replacing the light module, an interior trim part can be provided with dynamic light effects.
- the feeding of the light into the light emitting element is not on the end faces, but laterally on the longitudinal side thereof.
- the light source 1 can be formed linearly and arranged to extend parallel to the light emission element 2.
- the light source 1 like the light emission element 2, extends into the leaf plane.
- the light source 1 and the light emitting element 2 may have the same length.
- light from the light source 1 can be coupled into the light emission element 2 over the entire longitudinal side of the light emission element 2 into the coupling surface 2e. The light can thus be coupled into the light emission element 2 transversely to the longitudinal extent of the light emission element 2.
- the light source 1 comprises a carrier 5 on which a plurality of light units 4 is arranged.
- the light units 4 are regular and / or irregular to each other complained on the carrier 5 arranged.
- Such a light source is available as an LED strip.
- the light units 4, for example in the form of RGB chips, are individually controllable by a control device not shown in detail in terms of their light intensity and / or their on state and / or their brightness and / or their color of light.
- the light emission element 2 can be illuminated point-by-point differently with respect to the light intensity and / or its light color and / or its on state, with the light irradiated into the light guide 2 continuing correspondingly into the light waveguide element 3.
- the light source 1 and the light emission element 2 are arranged on a carrier element 6.
- the support member 6 has two, for example only at a right angle to each other standing leg 1 1, 12.
- the light source 1 is arranged on the first leg 1 1 of the carrier element 6.
- the light source 1 is arranged in a groove 13 of the first leg 1 1.
- the second leg 12 has two retaining lugs 14, between which and by which the light emission element 2 is held.
- this structure serves only schematically and to illustrate the lighting device according to the invention.
- the support member as well as the arrangement of the light source and the light emitting element 2 can be adapted in many ways according to the needs and prevailing space conditions.
- the cross section of the light emitting element is strip-shaped.
- This has a first surface 7 and a second surface 8 (see Fig. 3a), wherein the surface 7 is one of the two largest surfaces of the light emitting element 2 and the surface 8 is a deviating surface.
- the second, smaller surface 8 in this case comprises the coupling-out surface 2a.
- the first surface 7 comprises the coupling surface 2e.
- a similar principle has the light emission element 2 shown in cross section in FIG. 3b.
- the portion remote from the coupling-out surface 2a has an inclined surface 16 to improve the light deflection in the direction of the coupling-out surface 2a.
- the inclined surface is shown as a plane, it is understood that this could also be formed by a curved surface to the direction of the light.
- the body of the light emitting element 2 which in turn is shown in cross section, formed bent, so that the
- Coupling surface 2e represents an end face. However, in contrast to the end faces known from the prior art, the end face 2e does not constitute the narrow side but a side edge which extends over the entire length of the light emission element 2.
- the light emission elements illustrated in FIGS. 3 a to 3 c have a substantially longer first surface 7 than the length of the second surface 8. This results from the fact that the light fed by the light source 1 is between the light source 1
- the coupling surface 2e and the coupling-out surface 2a must cover a predetermined minimum length.
- the light emission element shown in cross section in FIG. 3d has a small installation space.
- the light emission element 2 in the We- sentlichen the form of a pentaprism.
- the side edges can basically have an arbitrary length, as long as it is ensured that the deflection of the light emitted by the light source 1 takes place in the form shown schematically.
- the light source 1 is arranged parallel to a surface 24 of the pentaprism. As a result, the light emitted by the light source 1 at the surface 24 is not or only slightly deflected. In contrast, there is a targeted deflection at the surfaces 21, 22 and 23, so that the resulting light beam undergoes a 90 -Ver skilledung relative to the emission direction of the light source 1.
- the area 25 represents the coupling-out area 2 a of the light element 2.
- the multiple, targeted deflection ensures the path required for mixing the colors of the light fed in by the light source within the pentaprism. At the same time only a small space is claimed.
- the lighting device according to the invention can be realized in a simple manner.
- Existing components such as the light guide element and the trim element, can continue to be used.
- the production of individual components in the modular principle 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)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016205685.9A DE102016205685A1 (de) | 2016-04-06 | 2016-04-06 | Beleuchtungsvorrichtung für ein Fahrzeug |
PCT/EP2017/056608 WO2017174343A1 (de) | 2016-04-06 | 2017-03-21 | Beleuchtungsvorrichtung für ein fahrzeug |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3439919A1 true EP3439919A1 (de) | 2019-02-13 |
Family
ID=58387819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17712466.6A Pending EP3439919A1 (de) | 2016-04-06 | 2017-03-21 | Beleuchtungsvorrichtung für ein fahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US11091091B2 (de) |
EP (1) | EP3439919A1 (de) |
CN (1) | CN108473088A (de) |
DE (1) | DE102016205685A1 (de) |
WO (1) | WO2017174343A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018008228B4 (de) * | 2018-10-17 | 2022-01-27 | Daimler Ag | Beleuchtungsvorrichtung für einen Innenraum eines Fahrzeugs |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5678914A (en) | 1995-11-13 | 1997-10-21 | Transmatic, Inc. | Cargo area lighting system for trucks |
WO2000042456A1 (en) | 1999-01-14 | 2000-07-20 | Federal-Mogul Corporation | Waveguide assembly for laterally-directed illumination in a vehicle lighting system |
DE29920487U1 (de) | 1999-11-22 | 2000-02-10 | Fer Fahrzeugelektrik Gmbh | Fahrzeuginnenraumbeleuchtung |
US7264367B2 (en) | 2001-10-18 | 2007-09-04 | Ilight Technologies, Inc. | Illumination device for simulating neon or similar lighting in various colors |
US7575499B2 (en) | 2001-11-16 | 2009-08-18 | 13 Ventures, Llc | Toy with elongated light source |
WO2004070262A2 (en) | 2003-02-04 | 2004-08-19 | Ilight Technologies, Inc. | Flexible illumination device for simulating neon lighting |
GB0615854D0 (en) | 2006-08-10 | 2006-09-20 | 3M Innovative Properties Co | Light guide for a lighting device |
FR2921999B1 (fr) * | 2007-10-04 | 2011-05-06 | Valeo Vision | Dispositif d'eclairage ou de signalisation pour vehicule automobile. |
US8292480B2 (en) | 2008-07-10 | 2012-10-23 | Koito Manufacturing Co., Ltd. | Lamp including main reflector, sub-reflector and LED assembly |
JP2010040296A (ja) | 2008-08-04 | 2010-02-18 | Harison Toshiba Lighting Corp | アレイ光源用光学素子及びそれを用いた発光装置 |
JP4969544B2 (ja) | 2008-09-19 | 2012-07-04 | 本田技研工業株式会社 | 照明部材及びそれを用いたドアライニング |
DE102010012745B4 (de) | 2010-03-25 | 2022-05-05 | HELLA GmbH & Co. KGaA | Beleuchtungseinrichtung |
DE102010030660A1 (de) | 2010-06-29 | 2011-12-29 | Lisa Dräxlmaier GmbH | Beleuchtetes Fahrzeuginnenausstattungsteil |
CN102128380A (zh) | 2011-04-06 | 2011-07-20 | 巨尔(上海)光电照明有限公司 | 具有可替换光学模块的led灯照明模组 |
EP2530372A1 (de) * | 2011-05-30 | 2012-12-05 | Odelo GmbH | Lichtleiterbauelement für Kraftfahrzeugleuchte |
AT511476B1 (de) | 2011-06-01 | 2012-12-15 | Zizala Lichtsysteme Gmbh | Beleuchtungseinrichtung |
DE102012005398A1 (de) | 2012-03-16 | 2013-09-19 | Audi Ag | Beleuchtungseinrichtung, insbesondere Konturbeleuchtung für ein Kraftfahrzeug |
DE102012005397B4 (de) | 2012-03-16 | 2024-01-18 | Audi Ag | Beleuchtungseinrichtung, insbesondere eine Konturbeleuchtung für ein Kraftfahrzeug |
DE102012106481B4 (de) * | 2012-07-18 | 2022-09-15 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
DE102012015057B4 (de) | 2012-07-28 | 2022-02-17 | Volkswagen Aktiengesellschaft | Beleuchtungsvorrichtung für ein Fahrzeug |
DE102012220696A1 (de) * | 2012-11-13 | 2014-05-15 | Hella Kgaa Hueck & Co. | Vorrichtung und Verfahren zur Erzeugung bewegter Lichteffekte |
DE102013104169B4 (de) | 2013-04-25 | 2022-09-15 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
DE102013104174B4 (de) * | 2013-04-25 | 2022-09-15 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge mit einem langgestreckten Lichtleiter, der über seine gekrümmte Streufläche in seiner Längsrichtung örtlich veränderbar beleuchtet wird |
US9829689B2 (en) * | 2013-05-14 | 2017-11-28 | Ledil Oy | Light guide for modifying a light distribution pattern |
DE102013021086A1 (de) | 2013-12-18 | 2015-06-18 | Audi Ag | Leuchteinrichtung für eine Kraftfahrzeugaußenbeleuchtung |
KR102264379B1 (ko) * | 2014-02-05 | 2021-06-15 | 엘지이노텍 주식회사 | 광학 부재 및 이를 이용하는 조명 장치 |
KR102181945B1 (ko) * | 2014-05-14 | 2020-11-23 | 엘지이노텍 주식회사 | 광원 모듈 및 이를 구비하는 조명 장치 |
DE102016205684A1 (de) * | 2016-04-06 | 2017-10-12 | Bayerische Motoren Werke Aktiengesellschaft | Beleuchtungsvorrichtung für ein Fahrzeug |
US10088118B2 (en) * | 2016-08-30 | 2018-10-02 | HELLA GmbH & Co. KGaA | Light emitting area extender |
-
2016
- 2016-04-06 DE DE102016205685.9A patent/DE102016205685A1/de active Pending
-
2017
- 2017-03-21 EP EP17712466.6A patent/EP3439919A1/de active Pending
- 2017-03-21 CN CN201780006408.1A patent/CN108473088A/zh active Pending
- 2017-03-21 WO PCT/EP2017/056608 patent/WO2017174343A1/de active Application Filing
-
2018
- 2018-10-05 US US16/152,587 patent/US11091091B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20190039514A1 (en) | 2019-02-07 |
WO2017174343A1 (de) | 2017-10-12 |
CN108473088A (zh) | 2018-08-31 |
US11091091B2 (en) | 2021-08-17 |
DE102016205685A1 (de) | 2017-10-12 |
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