EP0762049B1 - Feu de signalisation à plusieurs sources alignées, notamment feu stop complémentaire pour véhicule automobile - Google Patents
Feu de signalisation à plusieurs sources alignées, notamment feu stop complémentaire pour véhicule automobile Download PDFInfo
- Publication number
- EP0762049B1 EP0762049B1 EP96401938A EP96401938A EP0762049B1 EP 0762049 B1 EP0762049 B1 EP 0762049B1 EP 96401938 A EP96401938 A EP 96401938A EP 96401938 A EP96401938 A EP 96401938A EP 0762049 B1 EP0762049 B1 EP 0762049B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- sources
- mirror
- emission
- indicator light
- 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.)
- Expired - Lifetime
Links
Images
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
- F21V5/008—Combination of two or more successive refractors along an 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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/15—Strips of 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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
-
- 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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
Definitions
- the present invention relates generally to signaling lights comprising a plurality of sources light bulbs of low power and small dimensions, aligned, and means for processing the light emitted by these sources to form a signaling beam of adequate photometry.
- the sources are preferably light emitting diodes.
- a stop light must emit a light beam relatively intense, also it is necessary to provide a relatively large number of sources, and close to each other others.
- each light emitting diode an optical device of the kind Fresnel lens arranged in front of the diode.
- This solution is however disadvantageous in that to recover most of the light flux emitted by each diode light-emitting, the height of each lens must be important, which increases the size of the fire.
- the present invention aims to overcome these limitations of the state of the art, and to propose a traffic light in which the spacing between the different sources can be increased, while maintaining a low height and without significant loss of optical efficiency.
- the invention proposes for this purpose a signaling light as defined in claim 1.
- a fire of signaling in this case an additional brake light for rear window, which includes a housing 10 of form elongated, closed at the front (relative to the steering light emission, that is to say on the left on the Figure 1 and on the right in Figures 3 and 4) by an indicator 60 in profile in general "U" shape.
- the housing is fixed on the vehicle by screws V engaged in holes formed in the case.
- an elongated printed circuit 30 on which are soldered in alignment a plurality of diodes electroluminescent 20 of conventional type, that is to say comprising a housing 21, a hemispherical part 22 light emission and two connection tabs 23.
- the reference R designates a resistor fixing the current passing through the diodes 20.
- the light emitting diodes 20 are in this case spaced about 25 mm apart, and twelve in number, these values however, not being limiting.
- each diode light emitting 20 emits light in a emission indicator (solid angle covered by the radiation) in the form of a cone having a half angle at vertex ⁇ of about 50 °.
- a emission indicator solid angle covered by the radiation
- sources with other emission indicators may be used.
- double means optics are used to get a beam of appropriate photometry signaling.
- These means consist firstly of a mirror 40, and secondly in a plate 50 located between the edges front of the mirror and carrying a series of reliefs forming individual Fresnel lenses for each of sources 20.
- the mirror 40 is focused on the line passing through the different sources 20.
- the mirror 40 is fixed to the printed circuit 30 by spacers 41 located between adjacent diodes 20 and connected to the mirror at a flat bottom 42 of said mirror, inoperative due to the reduced emission cone of the sources.
- the reliefs of the optical plate 50 are designated by the reference 51 in FIG. 6, and can be located either on its internal face, either on its external face (as illustrated).
- the different Fresnel lenses formed by these reliefs are focused on the respective sources and have axes perpendicular to the source line.
- the arrangement of the mirror 40 and Fresnel lens plate 50 is such that part of the conical radiation emitted by each source directly meets the associated Fresnel lens, and that another part of this radiation, more outside, meets the upper and lower parts of the mirror 40 to be redirected, substantially horizontally, towards the respective Fresnel lenses.
- zones Z1 illustrate, in a plane perpendicular to the axis of a respective source, the part of radiation reflected by the mirror and then crossing the Fresnel lens, while zone Z2 illustrates the part of the radiation arriving directly on the lens from Fresnel.
- the light emitted towards zone Z2 contributes mainly to allow the fire to satisfy the grate regulatory photometric, in conjunction with beads or light scattering toroids 61 formed on the face internal light, while the light emitted to the zones Z1 contributes to an increase in light intensity, as well as making the illuminating surface of the lit fire more homogeneous, in particular by the fact that the mirror is of the type cylindrical and does not reduce the light emitted laterally towards the optical axis.
- the outline of the light exit window for the source considered is designated by F.
- the angle of the transition planes, above and below horizontally, between zones Z1 and Z2 is designated by ⁇ . Its value is of course less than ⁇ and preferably of the order of 30 to 40 °.
- the present invention it has been possible to produce a fire signaling device with twelve diodes standard LEDs spaced 25 mm apart, having a height (at the level of the mirror 40 and of the plate 50) of 10 mm, meeting the regulations for photometry, with more than satisfactory intensity and a homogeneous illuminating surface.
- the mirror 40 can come molding during the manufacture of the housing 10.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Led Device Packages (AREA)
Description
Claims (7)
- Feu de signalisation, notamment feu stop complémentaire, pour véhicule automobile, du type comprenant un boítier (10) de faible hauteur, une pluralité de sources lumineuses (20) généralement alignées et émettant chacune de la lumière dans une indicatrice d'émission donnée, lesdites sources lumineuses étant constituées par des diodes électroluminescentes (20) comportant un corps (21) plus large qu'une surface émissive (22), des moyens optiques (40, 50) pour redresser la lumière émise par les sources vers une direction générale d'émission, ces moyens de redressement comprenant des lentilles individuelles (51) focalisées chacune au voisinage d'une source respective (20) et directement exposées au rayonnement émis par les sources respectives dans une partie centrale (Z2) de leur indicatrice d'émission, et un voyant (60) pourvu d'éléments optiques de diffusion de la lumière, caractérisé en ce que les moyens optiques de redressement de la lumière comprennent en outre un miroir cylindrique (40), dont la directrice est parallèle à la ligne passant par les différentes sources lumineuses, s'étendant vers les lentilles à partir des corps (21) des diodes électroluminescentes et rabattant vers lesdites lentilles la lumière émise par les sources dans au moins une partie de bord de leur indicatrice d'émission.
- Feu de signalisation selon la revendication 1, caractérisé en ce que les lentilles (51) sont des lentilles de Fresnel disposées sur une plaque commune (50).
- Feu de signalisation selon l'une des revendications 1 et 2, caractérisé en ce que le miroir (40) présente un profil parabolique et est focalisé au voisinage d'une ligne passant par les différentes sources (20).
- Feu de signalisation selon la revendication 3, caractérisé en ce que l'indicatrice d'émission de chaque source est un cône présentant un demi-angle au sommet () d'environ 50°, et en ce que le miroir couvre une étendue angulaire d'émission vers le haut et vers le bas limitée à un angle (ϕ) d'environ 30 à 40° par rapport à la direction générale d'émission.
- Feu de signalisation selon la revendication 4, caractérisé en ce que les diodes électroluminescentes (20) sont espacées les unes des autres d'environ 25 mm.
- Feu de signalisation selon l'une des revendications 1 à 5, caractérisé en ce que les diodes électroluminescentes (20) sont soudées sur un circuit imprimé commun (30), et en ce que le miroir (40) est monté sur le circuit imprimé.
- Feu de signalisation selon la revendication 6, caractérisé en ce que le miroir (40) possède un fond plat (42) au niveau duquel il est monté sur le circuit imprimé (30) par l'intermédiaire d'entretoises (41).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9510599A FR2738621B1 (fr) | 1995-09-11 | 1995-09-11 | Feu de signalisation a plusieurs sources alignees, notamment feu stop complementaire pour vehicule automobile |
FR9510599 | 1995-09-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0762049A1 EP0762049A1 (fr) | 1997-03-12 |
EP0762049B1 true EP0762049B1 (fr) | 2003-06-25 |
Family
ID=9482421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96401938A Expired - Lifetime EP0762049B1 (fr) | 1995-09-11 | 1996-09-11 | Feu de signalisation à plusieurs sources alignées, notamment feu stop complémentaire pour véhicule automobile |
Country Status (6)
Country | Link |
---|---|
US (1) | US5762414A (fr) |
EP (1) | EP0762049B1 (fr) |
JP (1) | JPH09180517A (fr) |
DE (1) | DE69628792T2 (fr) |
ES (1) | ES2201160T3 (fr) |
FR (1) | FR2738621B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007013082A1 (de) | 2007-03-14 | 2008-09-18 | Hella Kgaa Hueck & Co. | Signalleuchte |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPO163696A0 (en) * | 1996-08-13 | 1996-09-05 | Eveready Battery Company Inc. | Lighting devices, methods of constructing lighting devices and methods of operating lighting devices |
FR2776595B1 (fr) * | 1998-03-31 | 2000-06-16 | Valeo Vision | Feu de signalisation comprenant plusieurs sources lumineuses |
JP3185977B2 (ja) * | 1998-08-12 | 2001-07-11 | スタンレー電気株式会社 | Ledランプ |
US6102559A (en) * | 1999-01-25 | 2000-08-15 | Ford Motor Company | Multi-function vehicle taillight system with unitary optic |
EP1077344A3 (fr) | 1999-08-16 | 2004-01-28 | FER Fahrzeugelektrik GmbH | Lampe |
DE19938734A1 (de) * | 1999-08-16 | 2001-03-01 | Fer Fahrzeugelektrik Gmbh | Fahrzeugleuchte |
JP3901404B2 (ja) * | 1999-08-27 | 2007-04-04 | 株式会社小糸製作所 | 車輌用灯具 |
DE19946079B4 (de) * | 1999-09-25 | 2008-08-14 | Volkswagen Ag | Signalleuchte eines Kraftfahrzeugs |
US6561689B1 (en) | 2002-01-09 | 2003-05-13 | Guide Corporation | Trapped LED CHMSL with living hinge |
AUPS198202A0 (en) * | 2002-04-26 | 2002-06-06 | Ferguson Lighting Pty Limited | Lighting apparatus |
US6945683B2 (en) * | 2003-05-30 | 2005-09-20 | Guide Corporation | Thin lamp assembly method |
WO2006033042A1 (fr) * | 2004-09-20 | 2006-03-30 | Philips Intellectual Property & Standards Gmbh | Element collimateur a diode del ayant un collimateur asymetrique |
US7229196B2 (en) * | 2005-06-10 | 2007-06-12 | Ilight Technologies, Inc. | Illumination device for simulating neon or similar lighting in the shape of a toroid |
US8523413B2 (en) * | 2005-12-12 | 2013-09-03 | Koninklijke Philips N.V. | LED collimator element for a vehicle headlight with a low-beam function |
DE102007006257A1 (de) | 2007-02-08 | 2008-08-14 | Daimler Ag | Fahrzeugleuchte |
CN201363590Y (zh) * | 2009-01-22 | 2009-12-16 | 上海开腾信号设备有限公司 | 光型饱满柔和的大功率led光源及使用该光源的大功率led照明灯 |
US9649975B2 (en) * | 2009-06-05 | 2017-05-16 | Wabash National, L.P. | Visual indicator adaptor and assembly for a tractor trailer |
US8653957B2 (en) * | 2009-06-05 | 2014-02-18 | Wabash National, L.P. | Visual indicator adaptor and assembly for a tractor trailer |
ES2396298B1 (es) * | 2010-05-20 | 2014-02-14 | Sistemas Electrónicos Y Manipulados Para Automoción Y La Industria, S.A. | Luz central de freno integrada. |
US8931941B2 (en) * | 2012-05-30 | 2015-01-13 | Tong Yah Electronic Technology Co., Ltd. | Vehicular light-emitting diode light providing uniform wider illumination |
DE102017116885B4 (de) * | 2017-07-26 | 2023-04-06 | Ledvance Gmbh | Leuchtmittel und Linse für ein Leuchtmittel |
FR3074117B1 (fr) | 2017-11-30 | 2020-12-04 | Saint Gobain | Vitrage de vehicule a signalisation lumineuse externe, vehicule l'incorporant et fabrication. |
CN110906189A (zh) * | 2018-09-17 | 2020-03-24 | 光宝电子(广州)有限公司 | 照明装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61113290A (ja) * | 1984-11-08 | 1986-05-31 | Sanyo Electric Co Ltd | 線状光源 |
US4733335A (en) * | 1984-12-28 | 1988-03-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
IT211821Z2 (it) * | 1987-09-04 | 1989-05-25 | Alfa Lancia Ind | Fanale composito per una autovettura. |
US4862330A (en) * | 1987-09-21 | 1989-08-29 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
US4929866A (en) * | 1987-11-17 | 1990-05-29 | Mitsubishi Cable Industries, Ltd. | Light emitting diode lamp |
JPH01146202A (ja) * | 1987-12-01 | 1989-06-08 | Koito Mfg Co Ltd | 車輌用灯具 |
US4935665A (en) * | 1987-12-24 | 1990-06-19 | Mitsubishi Cable Industries Ltd. | Light emitting diode lamp |
EP0341638B1 (fr) * | 1988-05-09 | 1994-08-03 | Ichikoh Industries Limited | Projecteur pour automobiles |
US4972302A (en) * | 1988-07-18 | 1990-11-20 | Stanley Electric Co., Ltd. | Vehicle lamp having inner lens and reflector |
JPH0446322Y2 (fr) * | 1988-08-02 | 1992-10-30 | ||
JPH0612564Y2 (ja) * | 1989-02-09 | 1994-03-30 | 株式会社小糸製作所 | 自動車用信号灯 |
US4933821A (en) * | 1989-05-05 | 1990-06-12 | Minnesota Mining And Manufacturing Company | Reflector edge illuminator for fluorescent light |
DE8909067U1 (de) * | 1989-07-26 | 1989-11-30 | Autronic Gmbh, 7500 Karlsruhe | Lichtleiste für einen Regaleinsatz |
DE4305585C2 (de) * | 1991-08-31 | 2000-02-24 | Hella Kg Hueck & Co | Signalleuchte für Kraftfahrzeuge |
ES2088174T3 (es) * | 1992-03-03 | 1996-08-01 | Hella Kg Hueck & Co | Lampara para vehiculos. |
FR2707223B1 (fr) * | 1993-07-07 | 1995-09-29 | Valeo Vision | Feu de signalisation perfectionné à diodes électroluminescentes. |
JP2581778Y2 (ja) * | 1993-12-21 | 1998-09-24 | 株式会社小糸製作所 | 車輌用標識灯 |
US5528474A (en) * | 1994-07-18 | 1996-06-18 | Grote Industries, Inc. | Led array vehicle lamp |
-
1995
- 1995-09-11 FR FR9510599A patent/FR2738621B1/fr not_active Expired - Lifetime
-
1996
- 1996-09-10 US US08/711,549 patent/US5762414A/en not_active Expired - Lifetime
- 1996-09-11 ES ES96401938T patent/ES2201160T3/es not_active Expired - Lifetime
- 1996-09-11 DE DE69628792T patent/DE69628792T2/de not_active Expired - Lifetime
- 1996-09-11 EP EP96401938A patent/EP0762049B1/fr not_active Expired - Lifetime
- 1996-09-11 JP JP8240256A patent/JPH09180517A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007013082A1 (de) | 2007-03-14 | 2008-09-18 | Hella Kgaa Hueck & Co. | Signalleuchte |
Also Published As
Publication number | Publication date |
---|---|
DE69628792D1 (de) | 2003-07-31 |
ES2201160T3 (es) | 2004-03-16 |
FR2738621B1 (fr) | 1997-11-28 |
US5762414A (en) | 1998-06-09 |
JPH09180517A (ja) | 1997-07-11 |
EP0762049A1 (fr) | 1997-03-12 |
DE69628792T2 (de) | 2004-05-19 |
FR2738621A1 (fr) | 1997-03-14 |
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