WO2017000005A1 - Leuchtmodul für einen fahrzeugscheinwerfer - Google Patents
Leuchtmodul für einen fahrzeugscheinwerfer Download PDFInfo
- Publication number
- WO2017000005A1 WO2017000005A1 PCT/AT2016/050189 AT2016050189W WO2017000005A1 WO 2017000005 A1 WO2017000005 A1 WO 2017000005A1 AT 2016050189 W AT2016050189 W AT 2016050189W WO 2017000005 A1 WO2017000005 A1 WO 2017000005A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- exit surface
- lighting module
- carrier element
- module
- Prior art date
Links
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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser 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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- 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
- 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
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- 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
- F21S41/28—Cover glass
-
- 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
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/47—Attachment thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/13—Ultraviolet light; Infrared light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Definitions
- the invention relates to a lighting module for a vehicle headlight, wherein the lighting module has at least one excitable by illumination with laser light for emitting visible light element and at least one translucent support member, wherein the support member has at least one light entrance surface and at least one light entry surface opposite light exit surface.
- Lighting modules according to the prior art which have a light element which can be excited by laser light for emitting visible light have the disadvantage that the light emitted by the luminous element is generally non-directional and has to be positioned or shaped with respect to a downstream optics by means of additional components ,
- An object of the invention is therefore to remedy this disadvantage.
- This object is achieved with a lighting module of the aforementioned type, in which according to the invention the at least one luminous element is arranged to radiate light into the light entry surface on the at least one light entry surface of the support element, wherein a) the at least one light exit surface of the support element is bordered by a light exit surface opaque masking is limited or b) the at least one light exit surface extends up to side surfaces of the carrier element, wherein at least one side surface has two adjoining side sections, which are inclined to form a light-dark boundary to each other.
- the inclination of the side surfaces could be between 15 ° and 90 °.
- laser light is understood as meaning a light emitted by a laser light source having a wavelength between 550 and 200 nm act.
- the carrier element consists of glass.
- the at least one light entry surface and the at least one light exit surface are parallel to one another.
- the ratio of the light entry surface to the light exit surface is between 1: 1 and 1:10, the ratio of the value of the light exit surface measured in mm 2 to the value of the distance between the light entrance and light exit surface measured in mm less than 2: 1 and the ratio of the value of the light entry surface measured in mm 2 to the value of the distance between the light entry surface and the light entry surface measured in mm is less than 1: 2.
- a light image with an angular width of +/- 5 0 is typically sufficient.
- the light spot so excited by laser light region of the light emitting element, very small (0.1mm ⁇ D ⁇ 1mm) and thus concentrated to design and also the distance between light - And light exit area to choose large to shade the disturbing yellowing at the edge of the angle range.
- there is a minimum distance between light entrance and exit surface of 10 mm at longer distances the light utilization efficiency of the system is reduced, but the achievable maximum intensity is increased.
- the distance between light entrance and light exit can be less than 10mm.
- integrator rods light entry and exit surfaces typically identical, distance very high
- the carrier element is a plane-parallel plate, which preferably has a thickness of at least 0.2 mm.
- the masking consists of a lacquer layer, a polymer or a metallic coating.
- a mask consisting of one Metallic coating forms a reflective surface, which has advantages especially in high-energy applications, since such a coating is particularly robust.
- the masking delimits the light exit surface to a substantially hexagonal geometric shape, which consists of a rectangular area and a trapezoidal surface seated on one half of the rectangular area, wherein a side line of the trapezoidal area a side line of the rectangular surface extends in alignment.
- the inclination of the side line of the trapezoidal surface, which faces the aligned extending side line is for example between 15 and 90 °.
- Another aspect of the invention relates to a vehicle headlamp comprising a lighting module according to the invention and a laser light source for exciting the lighting module or lighting element.
- the vehicle headlight further comprises a projection lens, in particular an aspherical projection lens, for imaging the light emitted by the light module onto a region situated in front of the vehicle headlight.
- a projection lens in particular an aspherical projection lens
- the at least one light exit surface of the lighting module has a course adapted to the field curvature of the projection lens. This makes it possible that each point is imaged on the light exit surface with the same geometric properties through the lens, whereby aberrations can be avoided.
- FIG. 1 shows a front view of a first embodiment of a lighting module according to the invention
- FIG. 2 shows a rear view of the lighting module from FIG. 1,
- FIG. 3 shows a side view of the lighting module according to FIGS. 1 and 2
- FIG. 4 shows a perspective illustration of a second embodiment of a lighting module
- Figure 5 is a schematic plan view of the light emitting module according to Figure 4.
- Figure 6 is a schematic representation of a vehicle headlamp with a lighting module according to the invention.
- FIG. 1 shows a front view of a first embodiment of a lighting module 1 according to the invention.
- a lighting module 1 for a vehicle headlight 2 shown in FIG. 6 can be seen, wherein the lighting module 1 has at least one lighting element 3 that can be excited by illumination with laser light to emit visible light.
- the luminous element 3 is arranged on the rear side of a light-permeable carrier element 4 shown in FIG. 2, on which a light entry surface 4a is formed, wherein the luminous element 3 irradiates light into the carrier element 4 via the light entry surface 4a.
- the front side of the carrier element 4 shown in FIG. 1 has a light exit surface 4b lying opposite the light entry surface 4a, which in the exemplary embodiment shown is surrounded by an opaque masking 5 and thus delimited.
- the masking 5 may for example consist of a lacquer layer, a polymer or a metallic layer.
- the masking 5 delimits the light exit surface 4b to a substantially hexagonal geometric shape, which consists of a rectangular surface 4b 'and a trapezium surface 4b "resting on one half of the rectangular surface, a lateral line of the trapezoidal surface 4b" extending a lateral line of the rectangular surface 4b "in alignment.
- a light-dark boundary can already be formed directly on the light exit surface 4b of the light module 1 in a simple manner.
- FIG. 3 shows a side view of the lighting module 1 according to FIGS. 1 and 2.
- the light entry surface 4a and the light exit surface 4b are preferably parallel to one another.
- the thickness d of the carrier element 4 is preferably at least 0.2 mm.
- FIG. 4 shows a perspective view of a second embodiment of a lighting module 1. In contrast to the first embodiment, the lighting module 1 has no masking 5.
- the carrier element 4 is shaped such that the light exit surface 4b extends up to the side surfaces 6a to 6d of the carrier element 4, wherein at least one side surface 6b has adjoining side sections 6b 'and 6b "which are inclined towards each other to form a light-dark boundary The light exit surface 4b is therefore limited directly by the side surfaces 6a to 6d.
- FIG. 5 shows a schematic plan view of the light-emitting module 1 according to FIG. 4. Similar to the light-emitting module 1 according to FIGS. 1 to 3, the light-emitting module 1 according to the second embodiment likewise has a light-emitting element 3 which irradiates light into the light-entry surface 4 a. This light can also be reflected via the side surfaces 6a to 6d, which are designed to be reflective, toward the light exit surface 4b. Thereby, it is possible to make the light entrance surface 4a smaller than the light exit surface 4b.
- the vehicle headlight 2 comprises a lighting module 1 according to the invention, a laser light source 7 for exciting the lighting module 1 and a projection lens 8 for imaging the light emitted by the lighting module 1 in front of it Vehicle headlight 2 lying area.
- the light exit surface 4b advantageously has a shape adapted to the field curvature E of the projection lens 8, so that each point on the light exit surface 4b is imaged by the projection lens 8 with the same imaging properties.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16732218.9A EP3317580B1 (de) | 2015-06-30 | 2016-06-09 | Leuchtmodul für einen fahrzeugscheinwerfer |
CN201680039048.0A CN107787426B (zh) | 2015-06-30 | 2016-06-09 | 用于车辆前照灯的发光模块 |
US15/738,340 US10371335B2 (en) | 2015-06-30 | 2016-06-09 | Lighting module for a vehicle headlamp |
JP2017568038A JP2018519641A (ja) | 2015-06-30 | 2016-06-09 | 車両投光器用の発光モジュール |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50573/2015A AT517409B1 (de) | 2015-06-30 | 2015-06-30 | Leuchtmodul für einen Fahrzeugscheinwerfer sowie Fahrzeugscheinwerfer |
ATA50573/2015 | 2015-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017000005A1 true WO2017000005A1 (de) | 2017-01-05 |
Family
ID=56235510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2016/050189 WO2017000005A1 (de) | 2015-06-30 | 2016-06-09 | Leuchtmodul für einen fahrzeugscheinwerfer |
Country Status (6)
Country | Link |
---|---|
US (1) | US10371335B2 (de) |
EP (1) | EP3317580B1 (de) |
JP (1) | JP2018519641A (de) |
CN (1) | CN107787426B (de) |
AT (1) | AT517409B1 (de) |
WO (1) | WO2017000005A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3071032B1 (fr) * | 2017-09-12 | 2020-10-02 | Valeo Vision | Dispositif lumineux pour l'eclairage de la route, la signalisation ou l'eclairage interieur |
CN209744278U (zh) * | 2018-03-15 | 2019-12-06 | 株式会社小糸制作所 | 车辆用前照灯 |
JPWO2020049930A1 (ja) * | 2018-09-07 | 2021-09-02 | 富士フイルム株式会社 | 車両用ヘッドライトユニット、ヘッドライト用の遮光膜、ヘッドライト用の遮光膜の製造方法 |
FR3085739B1 (fr) * | 2018-09-12 | 2021-06-25 | Valeo Vision | Module lumineux pour projecteur de vehicule automobile |
CN113661417B (zh) * | 2019-03-29 | 2023-09-26 | 富士胶片株式会社 | 组合物、遮光膜、滤色器、光学元件、传感器、固体摄像元件、前照灯单元 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012005686A1 (en) * | 2010-07-05 | 2012-01-12 | I3 Lab Pte Ltd | An automotive led headlamp comprising a light tunnel device |
JP2012009381A (ja) * | 2010-06-28 | 2012-01-12 | Sharp Corp | 発光体、発光装置、照明装置および車両用前照灯 |
JP2013030453A (ja) * | 2011-06-24 | 2013-02-07 | Sharp Corp | 投光装置、投光ユニットおよび集光部材 |
EP2597735A2 (de) * | 2011-11-22 | 2013-05-29 | Stanley Electric Co., Ltd. | Laserlichtquellenvorrichtung |
WO2013134805A1 (de) * | 2012-03-12 | 2013-09-19 | Zizala Lichtsysteme Gmbh | Lichtleitelement für einen laser-fahrzeugscheinwerfer |
JP2013196818A (ja) * | 2012-03-16 | 2013-09-30 | Stanley Electric Co Ltd | 発光装置及び車両用灯具 |
DE102012206970A1 (de) * | 2012-04-26 | 2013-10-31 | Osram Gmbh | Optische vorrichtung und beleuchtungseinrichtung |
US20140169024A1 (en) * | 2012-12-19 | 2014-06-19 | Osram Gmbh | Remote phosphor converter apparatus |
DE102013200521A1 (de) * | 2013-01-15 | 2014-07-17 | Automotive Lighting Reutlingen Gmbh | Primäroptikeinrichtung für KFZ-Scheinwerfer und KFZ-Scheinwerfer |
JP2015088283A (ja) * | 2013-10-29 | 2015-05-07 | シャープ株式会社 | 発光ユニットおよび照明装置 |
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US2597735A (en) * | 1946-09-13 | 1952-05-20 | Sunbeam Corp | Lawn mower |
JP3941234B2 (ja) * | 1998-06-15 | 2007-07-04 | 市光工業株式会社 | 車両用前照灯装置 |
JP4140042B2 (ja) * | 2003-09-17 | 2008-08-27 | スタンレー電気株式会社 | 蛍光体を用いたled光源装置及びled光源装置を用いた車両前照灯 |
JP4339156B2 (ja) * | 2004-03-18 | 2009-10-07 | 株式会社小糸製作所 | 車両用灯具ユニット |
JP5447763B2 (ja) * | 2008-03-27 | 2014-03-19 | スタンレー電気株式会社 | 車両前照灯 |
EP2068068B1 (de) | 2007-12-07 | 2013-11-20 | Stanley Electric Co., Ltd. | Fahrzeugscheinwerfer |
JP2011222260A (ja) * | 2010-04-08 | 2011-11-04 | Sharp Corp | 発光装置、照明装置、車両用前照灯および投影装置 |
CN102313166B (zh) * | 2010-05-17 | 2015-01-14 | 夏普株式会社 | 发光体、发光装置、照明装置以及车辆用前照灯 |
JP2013242996A (ja) * | 2012-05-18 | 2013-12-05 | Koito Mfg Co Ltd | 車両用前照灯 |
CN105358900B (zh) * | 2013-04-26 | 2018-07-20 | 三菱电机株式会社 | 车辆用前照灯模块、车辆用前照灯单元和车辆用前照灯装置 |
AT514967B1 (de) * | 2013-10-25 | 2015-08-15 | Zizala Lichtsysteme Gmbh | Mikroprojektions-Lichtmodul für einen Kraftfahrzeugscheinwerfer |
-
2015
- 2015-06-30 AT ATA50573/2015A patent/AT517409B1/de not_active IP Right Cessation
-
2016
- 2016-06-09 JP JP2017568038A patent/JP2018519641A/ja active Pending
- 2016-06-09 US US15/738,340 patent/US10371335B2/en active Active
- 2016-06-09 WO PCT/AT2016/050189 patent/WO2017000005A1/de active Application Filing
- 2016-06-09 CN CN201680039048.0A patent/CN107787426B/zh active Active
- 2016-06-09 EP EP16732218.9A patent/EP3317580B1/de active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012009381A (ja) * | 2010-06-28 | 2012-01-12 | Sharp Corp | 発光体、発光装置、照明装置および車両用前照灯 |
WO2012005686A1 (en) * | 2010-07-05 | 2012-01-12 | I3 Lab Pte Ltd | An automotive led headlamp comprising a light tunnel device |
JP2013030453A (ja) * | 2011-06-24 | 2013-02-07 | Sharp Corp | 投光装置、投光ユニットおよび集光部材 |
EP2597735A2 (de) * | 2011-11-22 | 2013-05-29 | Stanley Electric Co., Ltd. | Laserlichtquellenvorrichtung |
WO2013134805A1 (de) * | 2012-03-12 | 2013-09-19 | Zizala Lichtsysteme Gmbh | Lichtleitelement für einen laser-fahrzeugscheinwerfer |
JP2013196818A (ja) * | 2012-03-16 | 2013-09-30 | Stanley Electric Co Ltd | 発光装置及び車両用灯具 |
DE102012206970A1 (de) * | 2012-04-26 | 2013-10-31 | Osram Gmbh | Optische vorrichtung und beleuchtungseinrichtung |
US20140169024A1 (en) * | 2012-12-19 | 2014-06-19 | Osram Gmbh | Remote phosphor converter apparatus |
DE102013200521A1 (de) * | 2013-01-15 | 2014-07-17 | Automotive Lighting Reutlingen Gmbh | Primäroptikeinrichtung für KFZ-Scheinwerfer und KFZ-Scheinwerfer |
JP2015088283A (ja) * | 2013-10-29 | 2015-05-07 | シャープ株式会社 | 発光ユニットおよび照明装置 |
Also Published As
Publication number | Publication date |
---|---|
US10371335B2 (en) | 2019-08-06 |
JP2018519641A (ja) | 2018-07-19 |
EP3317580A1 (de) | 2018-05-09 |
EP3317580B1 (de) | 2019-04-10 |
AT517409A1 (de) | 2017-01-15 |
US20180180239A1 (en) | 2018-06-28 |
AT517409B1 (de) | 2017-06-15 |
CN107787426A (zh) | 2018-03-09 |
CN107787426B (zh) | 2021-01-26 |
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