EP1850064A1 - Vorrichtung zur Beleuchtung oder Signalisierung mit Tiefenwirkung - Google Patents
Vorrichtung zur Beleuchtung oder Signalisierung mit Tiefenwirkung Download PDFInfo
- Publication number
- EP1850064A1 EP1850064A1 EP07290461A EP07290461A EP1850064A1 EP 1850064 A1 EP1850064 A1 EP 1850064A1 EP 07290461 A EP07290461 A EP 07290461A EP 07290461 A EP07290461 A EP 07290461A EP 1850064 A1 EP1850064 A1 EP 1850064A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen
- face
- screens
- stack
- optical
- 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.)
- Granted
Links
- 230000011664 signaling Effects 0.000 title claims abstract description 30
- 230000000694 effects Effects 0.000 title description 3
- 230000003287 optical effect Effects 0.000 claims abstract description 58
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 230000002250 progressing effect Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 235000021183 entrée Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 230000000873 masking effect Effects 0.000 description 3
- 241001080024 Telles Species 0.000 description 1
- 241000897276 Termes Species 0.000 description 1
- 244000245420 ail Species 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
Definitions
- the present invention relates to a lighting or signaling device having a depth appearance.
- the main purpose of the invention is to propose a solution to meet the demands of constant innovation from car manufacturers, particularly in terms of the style of certain types of automotive headlamps; for this purpose, it proposes a particular technical embodiment adaptable to different types of lighting and / or signaling devices.
- the invention proposes a lighting or signaling device in which a particular output block of the device under consideration is constituted, said output block consisting of a stack of screens independent of each other; each screen comprises a plurality of optical patterns, made in its thickness, capable of deflecting light signals emitted by a light source of the device in question; the spread of the light beam at the output of the lighting or signaling device considered is thus adjustable in a first direction of diffusion, corresponding, for each screen considered, to a direction parallel to a plane defined by said screen and containing the optical patterns , and in a second direction of diffusion, corresponding to a direction parallel to a plane generally perpendicular to the planes defined by the screens, the spreading according to the second diffusion plane depending on the relative position of the different screens.
- the invention therefore essentially relates to a lighting or signaling device for a motor vehicle, including in particular at least one light source emitting a light beam, consisting of a plurality of signals light, in the direction of an output block of the lighting or signaling device, characterized in that the output block comprises in particular a stack of screens, said stack consisting of at least a first screen and a second screen, each screen having an input face receiving the light signals and an output face, the input face and the output face of each screen being joined by an upper face and a lower face defining between them a thickness of screen, at least one of the screens comprising at least one optical pattern made in the thickness of the screen in question, consisting of a through cavity formed in the screen that includes it.
- the present invention also relates to a screen of the stack of screens present in the lighting or signaling device having the main characteristics and possibly one or more secondary characteristics which have just been mentioned, said screen having a face d an input and an output face, the input face and the output face of each screen being joined by an upper face and a lower face defining a screen thickness, characterized in that the screen comprises at least one pattern optical made in the thickness of the screen considered.
- the present invention also relates to a motor vehicle equipped with a lighting or signaling device comprising the main characteristics and possibly one or more additional features just mentioned.
- FIG. 1 there is shown an example screen or optical system 100 according to the invention, intended to be positioned at an output block of a lighting or signaling device, including a motor vehicle.
- the screen 100 is made of a transparent material, ie a material that can be traversed by the light; in a particular example, the material used is polymethylmethacrylate (PMMA) or special polycarbonate (PC) guide.
- PMMA polymethylmethacrylate
- PC special polycarbonate
- the screen 100 is in the form of a plate, with an input face 101 intended to receive light signals 200, visible in FIG. 2, an exit face 102 visible from the outside of the lighting or signaling device. wherein the screen 100 is intended to be positioned, an upper face 103 and a lower face not visible in the figures.
- two screens 100 are of the same shape if they are identical in terms of dimensions and relative positions of the four faces that have just been mentioned.
- the measurement of the distance between the lower face and the upper face gives the thickness of the screen 100.
- the upper face and the lower face are flat and parallel, thus giving the screen a plate shape. They could also be regulated surfaces, that is to say generated by a line that moves according to a predetermined law. They could also be flat and not be parallel to each other, and thus form an angle between them.
- the embodiment with flat surfaces, or set according to the same law, is a particularly advantageous feature during a stacking operation of the screens 100, stacking which will be detailed later.
- the input face 101 and the exit face 102 are curved, their radius of curvature being infinite, the input faces 101 and output 102 then having a generator for a straight line.
- the term "curve” qualifies lines, rows or surfaces whose radius may tend towards infinity, the rows or rows then being straight lines and the surfaces of the planes.
- the curves defined by the sections of these input faces and emerging in a longitudinal or transverse plane are not necessarily parallel. Their shape is determined primarily by the function of the device they equip, and by the position of said device on the vehicle considered.
- each optical pattern 104 consists of a through cavity, which creates a hole in the thickness of the screen 100, thus constituting dioptres.
- the optical patterns are here arranged in a first curved row 105 and in a second curved row 106, parallel to the input face 101, the first curved row 105 being the row closest to said input face.
- the first curved row 105 consists of convergent type optical patterns 107, whereas the second curved row 106 consists of divergent or convergent optical patterns 108.
- FIG. 2 shows a second example of a screen or optical system 100 ', seen from above, that is by positioning itself above the upper face 103.
- the input faces 101' and output 102 ' are straight, aligned with an axis OY, essentially for the sake of simplification of the figure.
- the input face 101 ' receives a plurality of light signals 200, which are derived from a light beam emitted by at least one light source, not shown, of the lighting or signaling device according to the invention.
- the light source may be of conventional type, that is to say a halogen or xenon lamp, or light emitting diode type.
- the light beams reach the input face 101 'in the form of a parallel beam, all of these light signals being parallel to each other; the light signals reach the input face 101 while being perpendicular to the latter; the light signals reaching the input face 101 being perpendicular to the latter constitute a light plane.
- the light signals are here oriented along an axis OX, an axis OZ directed upwards and perpendicular to the upper face 103 completing the two other axes which have just been cited to form an orthogonal reference (OX, OY, OZ).
- the axis OZ is vertical.
- a parallel beam can be obtained according to different technical solutions, in particular by using a lamp associated with a windshield, or a lamp associated with a Fresnel screen, or a lamp associated with a reflector, or a light-emitting diode associated with a lighting system. Fresnel, directly made on the input face 101 or 101 'of the optical system 100 or 100'.
- This Fresnel system may consist of a conventional Fresnel lens, preferably of revolution around the emission axis of the light source used. It may also consist of a Fresnel cylindrical lens, preferably linear to simplify manufacture, and in particular demolding. In the latter case, the beam is collimated only in the plane parallel to the screen constituting the optical system 100 or 100 '.
- optical patterns 104 contained in the material of the screens according to the invention ensures the return of a portion of the light, for example sunlight, which would penetrate into the device. lighting or signaling by the exit face of the screen in question, thus giving a glittering appearance to the device under consideration, even when the light source that it comprises is not lit and also masks the actual sources to the origin of the beams, thus improving the homogeneity of the lit system.
- FIG. 3-A shows a first example of a stack 300, along the axis OZ, of optical systems or screens having the same shape as the shape of the screen 100.
- the input faces 101 of each screen 100 are aligned, the exit faces 102 of each screen 100 are curved, so that the stack 300 has an overall exit face 301 consisting of the juxtaposition of the exit faces 102 of each screen 100, continuously rounded, the face of global output 301 having no discontinuities or inflection zones.
- the output of the lighting or signaling device comprising the stack 300 thus provides a distribution 302 of the output light beam, with a main convergence point 303 of the output light beam. .
- the output of the lighting or signaling device comprising the stack 300' is obtained with a distribution 305 of the output light beam, with as many convergence points 306 of the overall output beam as there are screens 100 ', five in this case.
- the points of convergence 306 are aligned in a direction parallel to the input faces 101 '; they are thus contained in a vertical plane.
- FIG. 4-A shows an example of stack 400 in which the screens 100 are progressively shifted along the axis OX.
- FIG. 4-B at the output of the lighting or signaling device comprising the stack 400, a distribution 401 of the output light beam is obtained, with as many convergence points 402 of the overall output beam. that there are screens 100, five in the present case.
- the convergence points 402 are aligned in a direction parallel to the entry face 101, they are thus contained in an oblique plane.
- FIG. 5-A, respectively 5-B, shows an example of stack 500, respectively 500 ', in which the screens 100 are arranged so as to have an overall exit face 501, respectively 501', respectively hollow.
- a distribution 502 of the output light beam is obtained, with as many points of convergence 503 of the overall output beam. that there are screens 100, five in the present case.
- the convergence points 503 are arranged in a curve parallel to the overall output face 501.
- the optical patterns it is chosen not to superimpose, along the vertical axis, corresponding to the axis OZ, the optical patterns.
- the stacking operation of the different screens can be performed by any appropriate technique.
- This ink converts the light energy emitted by a laser into heat energy which allows one or more screens constituting the stack to be locally heated and consequently to ensure the connection by thermofusion of the thermoplastic material. It is also possible to ensure this connection via suitable mechanical systems.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0603640A FR2900220B1 (fr) | 2006-04-24 | 2006-04-24 | Dispositif d'eclairage ou de signalisation avec effet de profondeur. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1850064A1 true EP1850064A1 (de) | 2007-10-31 |
EP1850064B1 EP1850064B1 (de) | 2015-05-06 |
Family
ID=37496634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20070290461 Active EP1850064B1 (de) | 2006-04-24 | 2007-04-13 | Vorrichtung zur Beleuchtung oder Signalisierung mit Tiefenwirkung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070247862A1 (de) |
EP (1) | EP1850064B1 (de) |
JP (1) | JP2007294459A (de) |
CN (1) | CN101063515A (de) |
FR (1) | FR2900220B1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013225950A1 (de) | 2013-12-13 | 2015-06-18 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung |
FR3044744A1 (fr) * | 2015-12-08 | 2017-06-09 | Peugeot Citroen Automobiles Sa | Dispositif d’eclairage a guide de lumiere comprenant des trous polygonaux pour reflechir des photons |
EP2347173B1 (de) * | 2008-11-04 | 2017-08-02 | Günther Conzatti | Beleuchtungseinrichtung mit reduzierter blendwirkung |
WO2023275100A1 (fr) * | 2021-06-30 | 2023-01-05 | Valeo Vision | Module d'éclairage automobile vertical avec aspects éclairés jour et nuit identiques |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2928110B1 (fr) | 2008-03-03 | 2010-06-11 | Valeo Vision | Systeme optique avec fonction principale pour vehicule automobile |
AT507530B1 (de) * | 2008-11-04 | 2013-05-15 | Al Systems Gmbh | Lichtleitelement für eine beleuchtungseinrichtung sowie beleuchtungseinrichtung |
AT518163B1 (de) * | 2016-02-17 | 2017-08-15 | Zkw Group Gmbh | Lichtleiter für einen Fahrzeugscheinwerfer |
IT201600121517A1 (it) * | 2016-11-30 | 2018-05-30 | Automotive Lighting Italia Spa | Fanale automobilistico comprendente una porzione di emissione luminosa ad effetto opalescente |
CN109539156B (zh) * | 2019-02-01 | 2024-01-23 | 华域视觉科技(上海)有限公司 | 一种车灯***和车灯 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480178A (en) * | 1946-05-08 | 1949-08-30 | Ivan H Zinberg | Light conductor |
EP0911574A2 (de) * | 1997-10-21 | 1999-04-28 | Compagnie D'equipements Automobiles Axo Scintex | Lichtabgabeoptik für Fahrzeugsignalleuchten |
US20030007344A1 (en) * | 1995-06-27 | 2003-01-09 | Parker Jeffery R. | Light emitting panel assemblies |
FR2831943A1 (fr) * | 2001-11-02 | 2003-05-09 | Koito Mfg Co Ltd | Lampe de vehicule a diodes photoemissives |
US20030156329A1 (en) * | 2002-02-20 | 2003-08-21 | Wilkinson Kerry E. | Optical screen apparatus having alternate opaque and clear layers and method of making such apparatus |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US5365412A (en) * | 1993-01-07 | 1994-11-15 | Ford Motor Company | Low profile illuminator |
US20020058931A1 (en) * | 1995-06-27 | 2002-05-16 | Jeffrey R. Parker | Light delivery system and applications thereof |
US5613751A (en) * | 1995-06-27 | 1997-03-25 | Lumitex, Inc. | Light emitting panel assemblies |
US6185356B1 (en) * | 1995-06-27 | 2001-02-06 | Lumitex, Inc. | Protective cover for a lighting device |
US5975711A (en) * | 1995-06-27 | 1999-11-02 | Lumitex, Inc. | Integrated display panel assemblies |
US7108414B2 (en) * | 1995-06-27 | 2006-09-19 | Solid State Opto Limited | Light emitting panel assemblies |
US20040135273A1 (en) * | 1995-06-27 | 2004-07-15 | Parker Jeffery R. | Methods of making a pattern of optical element shapes on a roll for use in making optical elements on or in substrates |
US5692827A (en) * | 1996-03-01 | 1997-12-02 | Ford Motor Company | Tail lamp for an automotive vehicle using an elongated hyperbolic cylinder |
US6739744B2 (en) * | 1997-07-02 | 2004-05-25 | Lumitex, Inc. | Light delivery systems and applications thereof |
US7306559B2 (en) * | 1997-07-02 | 2007-12-11 | Lumitex, Inc. | Illuminated surgical retractor |
US6591049B2 (en) * | 1997-07-02 | 2003-07-08 | Lumitex, Inc. | Light delivery systems and applications thereof |
US20050024849A1 (en) * | 1999-02-23 | 2005-02-03 | Parker Jeffery R. | Methods of cutting or forming cavities in a substrate for use in making optical films, components or wave guides |
US6752505B2 (en) * | 1999-02-23 | 2004-06-22 | Solid State Opto Limited | Light redirecting films and film systems |
US6827456B2 (en) * | 1999-02-23 | 2004-12-07 | Solid State Opto Limited | Transreflectors, transreflector systems and displays and methods of making transreflectors |
-
2006
- 2006-04-24 FR FR0603640A patent/FR2900220B1/fr active Active
-
2007
- 2007-04-13 EP EP20070290461 patent/EP1850064B1/de active Active
- 2007-04-23 US US11/738,593 patent/US20070247862A1/en not_active Abandoned
- 2007-04-24 JP JP2007113621A patent/JP2007294459A/ja active Pending
- 2007-04-24 CN CNA2007101012415A patent/CN101063515A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480178A (en) * | 1946-05-08 | 1949-08-30 | Ivan H Zinberg | Light conductor |
US20030007344A1 (en) * | 1995-06-27 | 2003-01-09 | Parker Jeffery R. | Light emitting panel assemblies |
EP0911574A2 (de) * | 1997-10-21 | 1999-04-28 | Compagnie D'equipements Automobiles Axo Scintex | Lichtabgabeoptik für Fahrzeugsignalleuchten |
FR2831943A1 (fr) * | 2001-11-02 | 2003-05-09 | Koito Mfg Co Ltd | Lampe de vehicule a diodes photoemissives |
US20030156329A1 (en) * | 2002-02-20 | 2003-08-21 | Wilkinson Kerry E. | Optical screen apparatus having alternate opaque and clear layers and method of making such apparatus |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2347173B1 (de) * | 2008-11-04 | 2017-08-02 | Günther Conzatti | Beleuchtungseinrichtung mit reduzierter blendwirkung |
DE102013225950A1 (de) | 2013-12-13 | 2015-06-18 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung |
WO2015086307A1 (de) | 2013-12-13 | 2015-06-18 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung |
FR3044744A1 (fr) * | 2015-12-08 | 2017-06-09 | Peugeot Citroen Automobiles Sa | Dispositif d’eclairage a guide de lumiere comprenant des trous polygonaux pour reflechir des photons |
WO2017098107A1 (fr) * | 2015-12-08 | 2017-06-15 | Peugeot Citroen Automobiles Sa | Dispositif d'éclairage à guide de lumière comprenant des trous polygonaux pour réfléchir des photons |
WO2023275100A1 (fr) * | 2021-06-30 | 2023-01-05 | Valeo Vision | Module d'éclairage automobile vertical avec aspects éclairés jour et nuit identiques |
FR3124844A1 (fr) * | 2021-06-30 | 2023-01-06 | Valeo Vision | Module d’éclairage automobile vertical avec aspects éclairés jour et nuit identiques |
Also Published As
Publication number | Publication date |
---|---|
CN101063515A (zh) | 2007-10-31 |
EP1850064B1 (de) | 2015-05-06 |
FR2900220A1 (fr) | 2007-10-26 |
JP2007294459A (ja) | 2007-11-08 |
FR2900220B1 (fr) | 2008-07-18 |
US20070247862A1 (en) | 2007-10-25 |
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