WO2019053546A1 - A device, particulary on a vehicle, to emit light for illumination and/or signalization - Google Patents

A device, particulary on a vehicle, to emit light for illumination and/or signalization Download PDF

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Publication number
WO2019053546A1
WO2019053546A1 PCT/IB2018/056698 IB2018056698W WO2019053546A1 WO 2019053546 A1 WO2019053546 A1 WO 2019053546A1 IB 2018056698 W IB2018056698 W IB 2018056698W WO 2019053546 A1 WO2019053546 A1 WO 2019053546A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
section
guide
light source
optical guide
Prior art date
Application number
PCT/IB2018/056698
Other languages
French (fr)
Inventor
Luka Cerar
Tomaž CUZNAR
Jan PREMRU
Original Assignee
Hella Saturnus Slovenija Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O.
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 Hella Saturnus Slovenija Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O. filed Critical Hella Saturnus Slovenija Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O.
Publication of WO2019053546A1 publication Critical patent/WO2019053546A1/en

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
    • 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
    • F21S43/237—Light guides characterised by the shape of the light guide rod-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
    • F21S43/10—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
    • F21S43/20—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
    • 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
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • 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
    • F21S43/247—Light guides with a single light source 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
    • 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
    • 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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0029—Spatial arrangement
    • B60Q1/0041—Spatial arrangement of several lamps in relation to each other
    • B60Q1/0058—Stacked, i.e. one lamp located behind the other in the optical axis direction
    • 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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/28—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating front of vehicle
    • 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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window

Definitions

  • the present invention relates to a device to emit light for illumination and/or signalization, in particular to a device arranged on a vehicle comprising a light source, a light guide and an optical element which directs and/or processes the light emitted by said light source.
  • One of the known solutions provides for usage of elongated printed circuits having a plurality of light emitting diodes (LED) and a Fresnel or Taifun optics.
  • said plurality of point light sources where 8 to 32 LEDs is practically in use, represents a substantial drawback, wherein the light homogeneity is of the relatively poor quality.
  • Another know solution for producing long and narrow lamps emitting homogeneous light provides for a use of a light guide, a printed circuit with LEDs being arranged at each end of said light guide.
  • said solution comprises lower number of LEDs and relatively good light homogeneity, the light guide must be protected in the region of the printed circuit with LEDs by a screen in order to prevent said printed circuit to be visible.
  • the length of said screen typically lies between 20 mm and 50 mm, thus, resulting in an respective shorter useful length of the light guide.
  • the length of said screen can be shortened, though, if two light guides are used and the printed circuit with LEDs is located in the central region of the light.
  • a drawback of said solution is a dark area remains in said central region of the lamp thus, diminishing a visual impact of the light.
  • Fig. 1 shows a simplified three-dimensional view of a device according to the invention
  • Fig. 2 shows a three-dimensional view of a detail II of Fig. 1.
  • a device for emitting light according to the invention is further described with a reference to an embodiment of a lamp of a motor vehicle which can be used as a centre high mount stop lamp and/or as an illumination of a grille and similar.
  • Said device and, respectively, the lamp comprises at least one light guide, preferably at least two light guides 1, 2 physically separated.
  • Each light guide 1 and, respectively, 2 comprises a first section 3, 4, wherein a curved section 5, 6 is associated with each first section 3, 4 at the ends facing each other.
  • Said curved section 5, 6 extends inclined with regard to said first section 3, 4.
  • Each of said sections 3, 4; 5, 6 can be formed either as a smooth or piecewise smooth curve, a straight line or approximately straight line, or a plane curve or a space curve.
  • each free end of the curved section 5 is arranged a light source 5', 6' such as a light emitting diode (LED) attached to a respective printed circuit emitting the light in direction of the longitudinal axis of each light guide 1, 2. Furthermore, it is provided for according to the present invention that said free end of each curved section 5, 6 is formed with or comprises an additional optical element such as an element for collecting and/or directing the light radiating from the light source 5', 6', for example.
  • LED light emitting diode
  • an additional optical guide 8 is arranged in said area of the curved section 5, 6 of the light guide 1, 2 and, respectively, in the area of said dark region 7, said additional optical guide 8 selected in the present embodiment as a thick-walled optical guide.
  • Said additional optical guide 8 is formed as a flat optical guide comprising a straight section 8' on which said curved sections 5, 6 of the light guide 1, 2 are arranged, and an inclined front section 9.
  • the light guides 1, 2 are arranged with respect to the additional optical guide 8 in a manner that they are relatively tightly pressed against the surface of the optical guide 8 in the area of said arrangement.
  • Said front section 9 of the additional optical guide 8 that is a section lying in the immediate vicinity of the optical guides 1, 2 and, respectively, said sections 3, 4, is formed with a wall 9' extending at an angle with respect to the straight section 8' and covers at least the entire dark region 7 of the each light guide 1, 2.
  • the light is delivered into the additional optical guide 8 by means of at least one light source 11, such as a LED for example, preferably by means of a plurality of light sources 11, which are arranged directly in front of a free end 10 of the optical guide 8, that is in front of the free end lying opposite to the front section 9. In this manner, an appearance of an uninterrupted light flow from one end of the light guide 1 and over the additional light guide 8 to the opposite end of the light guide 2 is obtained, without any disturbing dark regions in-between.
  • the free end of at least one of said sections 9; 10 of the additional light guide 8 comprises a surface 12; 13 which influences the light flow and, respectively, modifies the light on the way from at least one light source 11 to the free end of the section 9 through which the light is exiting.
  • Said surfaces 12; 13 can be formed in either equal or different manner, wherein, for instance, at least one surface 12; 13 comprises optically active irregularities in the sense of a Fresnel lens and similar.

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)

Abstract

The present invention relates to a device to emit light for illumination and/or signalization, in particular to a device arranged on a vehicle comprising a light source, a light guide and an optical element which directs and/or processes the light emitted by said light source. The device to emit light comprises at least one light guide (1, 2) having a first section (3, 4) to which is associated a second section (5, 6), and an additional optical guide (8) arranged in the region of said second section (5, 6).

Description

A DEVICE, PARTICULARY ON A VEHICLE, TO EMIT LIGHT FOR ILLUMINATION AND/OR SIGNALIZATION
[0001] The present invention relates to a device to emit light for illumination and/or signalization, in particular to a device arranged on a vehicle comprising a light source, a light guide and an optical element which directs and/or processes the light emitted by said light source.
[0002] Due to the style/design requests a demand for long and narrow lamps emitting homogeneous light is required on the market. In order to comply with said demand several solutions have been proposed.
[0003] One of the known solutions provides for usage of elongated printed circuits having a plurality of light emitting diodes (LED) and a Fresnel or Taifun optics. However, said plurality of point light sources, where 8 to 32 LEDs is practically in use, represents a substantial drawback, wherein the light homogeneity is of the relatively poor quality.
[0004] Another know solution for producing long and narrow lamps emitting homogeneous light provides for a use of a light guide, a printed circuit with LEDs being arranged at each end of said light guide. Though said solution comprises lower number of LEDs and relatively good light homogeneity, the light guide must be protected in the region of the printed circuit with LEDs by a screen in order to prevent said printed circuit to be visible. The length of said screen typically lies between 20 mm and 50 mm, thus, resulting in an respective shorter useful length of the light guide.
[0005] The length of said screen can be shortened, though, if two light guides are used and the printed circuit with LEDs is located in the central region of the light. However, a drawback of said solution is a dark area remains in said central region of the lamp thus, diminishing a visual impact of the light.
[0006] It is the object of the present invention to create a device to emit light for illumination and/or signalization which remedies drawbacks of the known solutions. [0007] According to the present invention, the object as set above is solved by features set forth in the characterising part of claim 1. Detail of the invention is disclosed in respective subclaims.
[0008] The invention is further described in detail by way of non-limiting embodiment, and with a reference to the accompanying drawings, where
Fig. 1 shows a simplified three-dimensional view of a device according to the invention, Fig. 2 shows a three-dimensional view of a detail II of Fig. 1.
[0009] A device for emitting light according to the invention is further described with a reference to an embodiment of a lamp of a motor vehicle which can be used as a centre high mount stop lamp and/or as an illumination of a grille and similar. Said device and, respectively, the lamp comprises at least one light guide, preferably at least two light guides 1, 2 physically separated. Each light guide 1 and, respectively, 2 comprises a first section 3, 4, wherein a curved section 5, 6 is associated with each first section 3, 4 at the ends facing each other. Said curved section 5, 6 extends inclined with regard to said first section 3, 4. Each of said sections 3, 4; 5, 6 can be formed either as a smooth or piecewise smooth curve, a straight line or approximately straight line, or a plane curve or a space curve.
[0010] In the immediate vicinity of each free end of the curved section 5, 6 is arranged a light source 5', 6' such as a light emitting diode (LED) attached to a respective printed circuit emitting the light in direction of the longitudinal axis of each light guide 1, 2. Furthermore, it is provided for according to the present invention that said free end of each curved section 5, 6 is formed with or comprises an additional optical element such as an element for collecting and/or directing the light radiating from the light source 5', 6', for example.
[0011] Due to the curvature in the area of the curved section 5, 6 of the light guide 1, 2 the light does not travel homogeneously, therefore, a dark region 7 is created in said area which has a negative impact on the lighting effect of the device according to the invention. In order to avoid said dark region 7 an additional optical guide 8 is arranged in said area of the curved section 5, 6 of the light guide 1, 2 and, respectively, in the area of said dark region 7, said additional optical guide 8 selected in the present embodiment as a thick-walled optical guide. [0012] Said additional optical guide 8 is formed as a flat optical guide comprising a straight section 8' on which said curved sections 5, 6 of the light guide 1, 2 are arranged, and an inclined front section 9. The light guides 1, 2 are arranged with respect to the additional optical guide 8 in a manner that they are relatively tightly pressed against the surface of the optical guide 8 in the area of said arrangement. Said front section 9 of the additional optical guide 8, that is a section lying in the immediate vicinity of the optical guides 1, 2 and, respectively, said sections 3, 4, is formed with a wall 9' extending at an angle with respect to the straight section 8' and covers at least the entire dark region 7 of the each light guide 1, 2. The light is delivered into the additional optical guide 8 by means of at least one light source 11, such as a LED for example, preferably by means of a plurality of light sources 11, which are arranged directly in front of a free end 10 of the optical guide 8, that is in front of the free end lying opposite to the front section 9. In this manner, an appearance of an uninterrupted light flow from one end of the light guide 1 and over the additional light guide 8 to the opposite end of the light guide 2 is obtained, without any disturbing dark regions in-between.
[0013] Furthermore, it is provided according to the present invention that the free end of at least one of said sections 9; 10 of the additional light guide 8 comprises a surface 12; 13 which influences the light flow and, respectively, modifies the light on the way from at least one light source 11 to the free end of the section 9 through which the light is exiting. Said surfaces 12; 13 can be formed in either equal or different manner, wherein, for instance, at least one surface 12; 13 comprises optically active irregularities in the sense of a Fresnel lens and similar.
[0014] It is obvious, on the basis of the disclosed invention, that it is possible to deploy arbitrary number of equal or different optical guides 1, 2; 8 which are arranged either linearly, planar or spatially, thus, creating arbitrary light effects.

Claims

Claims
1. A device, in particular a device arranged on a vehicle, to emit light for illumination and/or signalization comprising a light source, a light guide and an optical element which directs and/or processes the light emitted by said light source, characterized in that said device comprises at least one light guide (1, 2) which is comprised of a first section (3, 4) with a second section (5, 6) attached thereto, and an additional optical guide (8) arranged in the region of said second section (5, 6).
2. A device according to claim 1, characterized in that said additional optical guide (8) is formed as as a flat optical guide comprising a straight section (8') on which said curved sections (5, 6) of the light guide (1, 2) are arranged, and inclined front section (9).
3. A device according to claims 1 and 2, characterized in that said front section (9) lies in the immediate vicinity of the optical guides (1, 2) and, respectively, said sections (3, 4) and comprises a wall (9') extending at an angle with respect to the straight section (8').
4. A device according to claims 1 to 3, characterized in that said additional optical guide (8) is selected at a thick-walled optical guide.
5. A device according to any of the preceding claims, characterized in that at least one free end of the additional optical guide (8) comprises a surface (12; 13) which influences the light flow and, respectively, modifies the light on the way from at least one light source (11) to the free end of the section (9) through which the light is exiting.
6. A device according to claim 5, characterized in that said surfaces (12; 13) can be formed in either equal or different manner, wherein, at least one surface (12; 13) comprises optically active irregularities in the sense of a Fresnel lens and similar.
7. A device according to any of the preceding claims, characterized in that a light source (5', 6') is arranged in immediate vicinity of each free end of the second section (5, 6) emitting the light in direction of longitudinal axis of the light guide (1, 2).
8. A device according to any of the preceding claims, characterized in that the light is delivered into the additional optical guide (8) by means of at least one light source (11) arranged directly in front of a free end (10) of the optical guide (8).
9. A device according to claims 7 and 8, characterized in that the light source (5', 6'; 11) is selected as a light emitting diode or similar.
A device according to any of the preceding claims, characterized in that said free end of each curved section (5, 6) is formed with or comprised of an additional optical element for collecting and/or directing the light radiating from the light source (5', 6').
11. A device according to any of the preceding claims, characterized in that said curved section (5, 6) extends at an angle with respect to said first section (3, 4).
A device according to any of the preceding claims, characterized in that each said section (3, 4; 5, 6) can be formed as a smooth or a piecewise smooth curve, a straight line or approximately straight line, or a plane curve or a space curve.
PCT/IB2018/056698 2017-09-18 2018-09-03 A device, particulary on a vehicle, to emit light for illumination and/or signalization WO2019053546A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SI201700262A SI25521A (en) 2017-09-18 2017-09-18 Device, particular on vehicle, for illumination light emission and/or signaling
SIP-201700262 2017-09-18

Publications (1)

Publication Number Publication Date
WO2019053546A1 true WO2019053546A1 (en) 2019-03-21

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PCT/IB2018/056698 WO2019053546A1 (en) 2017-09-18 2018-09-03 A device, particulary on a vehicle, to emit light for illumination and/or signalization

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113803690A (en) * 2020-06-15 2021-12-17 嘉兴海拉灯具有限公司 Optical system for vehicle lamp, vehicle lamp and assembly method thereof

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DE10065020A1 (en) * 2000-09-04 2002-03-14 Bosch Gmbh Robert Motor vehicle head lamp with integral parking lamps, uses light guide under reflector directing light back onto the reflector for parking illumination
DE102007005183A1 (en) * 2007-01-29 2008-08-14 Hella Kgaa Hueck & Co. Light i.e. auxiliary brake light, for vehicle, has light unit with surface unit arranged on light source i.e. LED, such that light beam is emitted with high luminous density under passage of beam through portion of other surface unit
JP2012169116A (en) * 2011-02-14 2012-09-06 Stanley Electric Co Ltd Lamp for vehicle
EP2541128A2 (en) * 2011-06-30 2013-01-02 Valeo Vision Optical device and signalling and / or lighting system
EP2693105A2 (en) * 2012-07-31 2014-02-05 Stanley Electric Co., Ltd. Vehicle lighting unit
JP2015022972A (en) * 2013-07-23 2015-02-02 株式会社小糸製作所 Vehicle lighting appliance
JP2015064994A (en) * 2013-09-25 2015-04-09 スタンレー電気株式会社 Light guide lens and vehicle lighting appliance
JP2015204275A (en) * 2014-04-16 2015-11-16 株式会社小糸製作所 Vehicular lighting tool
JP2016046093A (en) * 2014-08-22 2016-04-04 スタンレー電気株式会社 Vehicle lighting appliance
JP2017147105A (en) * 2016-02-17 2017-08-24 株式会社小糸製作所 Vehicular lighting fixture

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10065020A1 (en) * 2000-09-04 2002-03-14 Bosch Gmbh Robert Motor vehicle head lamp with integral parking lamps, uses light guide under reflector directing light back onto the reflector for parking illumination
DE102007005183A1 (en) * 2007-01-29 2008-08-14 Hella Kgaa Hueck & Co. Light i.e. auxiliary brake light, for vehicle, has light unit with surface unit arranged on light source i.e. LED, such that light beam is emitted with high luminous density under passage of beam through portion of other surface unit
JP2012169116A (en) * 2011-02-14 2012-09-06 Stanley Electric Co Ltd Lamp for vehicle
EP2541128A2 (en) * 2011-06-30 2013-01-02 Valeo Vision Optical device and signalling and / or lighting system
EP2693105A2 (en) * 2012-07-31 2014-02-05 Stanley Electric Co., Ltd. Vehicle lighting unit
JP2015022972A (en) * 2013-07-23 2015-02-02 株式会社小糸製作所 Vehicle lighting appliance
JP2015064994A (en) * 2013-09-25 2015-04-09 スタンレー電気株式会社 Light guide lens and vehicle lighting appliance
JP2015204275A (en) * 2014-04-16 2015-11-16 株式会社小糸製作所 Vehicular lighting tool
JP2016046093A (en) * 2014-08-22 2016-04-04 スタンレー電気株式会社 Vehicle lighting appliance
JP2017147105A (en) * 2016-02-17 2017-08-24 株式会社小糸製作所 Vehicular lighting fixture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113803690A (en) * 2020-06-15 2021-12-17 嘉兴海拉灯具有限公司 Optical system for vehicle lamp, vehicle lamp and assembly method thereof

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