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EP3149394B1 - Vehicle illumination lamp with light curtain/guide - Google Patents

Vehicle illumination lamp with light curtain/guide Download PDF

Info

Publication number
EP3149394B1
EP3149394B1 EP15734276.7A EP15734276A EP3149394B1 EP 3149394 B1 EP3149394 B1 EP 3149394B1 EP 15734276 A EP15734276 A EP 15734276A EP 3149394 B1 EP3149394 B1 EP 3149394B1
Authority
EP
European Patent Office
Prior art keywords
light curtain
lamp
illumination lamp
lighting
connecting piece
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.)
Active
Application number
EP15734276.7A
Other languages
German (de)
French (fr)
Other versions
EP3149394A1 (en
Inventor
Irfan Kamas
Hatice OZBEK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Feka Otomotiv Mamulleri Sanayi Ve Ticaret AS
Original Assignee
Feka Otomotiv Mamulleri Sanayi Ve Ticaret AS
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 Feka Otomotiv Mamulleri Sanayi Ve Ticaret AS filed Critical Feka Otomotiv Mamulleri Sanayi Ve Ticaret AS
Priority to RS20220106A priority Critical patent/RS62885B1/en
Publication of EP3149394A1 publication Critical patent/EP3149394A1/en
Application granted granted Critical
Publication of EP3149394B1 publication Critical patent/EP3149394B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F21S43/245—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
    • F21S43/27—Attachment thereof

Definitions

  • the present invention relates to an illumination lamp with light curtain which can fulfil characteristics of all rear stop lamp such as position, particularly stop, reverse gear, rear fog, rear signal and reflex reflector.
  • filament lamps are used as light source in lighting devices such as stop lamps and LED's are used and devices are designed with LED by advancement of LED technology in recent years.
  • light tube is used in part of position lamps due to the fact that the lighting values desired in the regulation are low.
  • the United States patent document no. US8511864B2 discloses a method and an apparatus characterized by providing an optical transfer function between a light source such as a LED with a predetermined energy distribution pattern and a predetermined illuminated surface pattern such as a street light pattern.
  • a lens is formed having a shape defined by the said optical transfer function.
  • the said optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then, the projection of the energy distribution pattern onto the illuminated surface is generated.
  • the predetermined illuminated surface pattern is compared to the said projection to determine it acceptably matches.
  • Document US 2006/0044825A1 discloses a further illumination lamp.
  • An objective of the present invention is to realize an illumination lamp whereby a homogeneous and soft lighting effect is created in desired regions of lamps such as stop lamp and an illumination which does not reach the eye directly is realized through use of an inner lens called as light curtain and covering the product entirely.
  • Another objective of the present invention is to realize an illumination lamp whereby saving is provided in terms of LED use through use of inner lens and product cost is reduced.
  • a further objective of the present invention is to realize an illumination lamp whereby the duty carried out by a plurality of LED's is fulfilled by the light curtain.
  • Another objective of the present invention is to realize an illumination lamp which is used as rear stop lamp.
  • the inventive illumination lamp (1) comprises the features of claim 1.
  • the inventive illumination lamp (1) preferably comprises coating materials (9) for increasing homogeneity and efficiency of light of the rear surfaces of the light curtain (4).
  • the said coating material (9) can be metalizing or white paint.
  • the body (2), the connecting piece (3) which is located on the body (2); and the light curtain (4) which is located on the connecting piece (3) take form according to functions such as position, stop, reverse gear, rear fog, rear signal and reflex reflector, etc. of the lamp.
  • the illumination lamp (1) is connected to the vehicle over the body (2).
  • the light curtain (4) has prisms that direct the beams proceeding in horizontal direction in vertical direction.
  • the lighting members (6) do not appear on the outer lens (7) as point and an illumination is realized in the form of a curtain.
  • the circuit boards (5) are provided on the edges of the light curtain (4) such that they are placed on end portions of each section separated according to lamp functions.
  • the lighting member (6) is LED. All functions on the stop lamp (1) are fulfilled by 15 LED's on average.
  • number of LED used is reduced in the ratios of 70% by use of the light curtain (4) and improvement is also ensured in product cost in addition to a significant saving.
  • the inventive illumination lamp is preferably used as rear stop lamp in vehicles.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

    Technical Field
  • The present invention relates to an illumination lamp with light curtain which can fulfil characteristics of all rear stop lamp such as position, particularly stop, reverse gear, rear fog, rear signal and reflex reflector.
    • Background of the Invention
  • Today, filament lamps are used as light source in lighting devices such as stop lamps and LED's are used and devices are designed with LED by advancement of LED technology in recent years. In addition to these usages, light tube is used in part of position lamps due to the fact that the lighting values desired in the regulation are low.
  • The United States patent document no. US8511864B2 discloses a method and an apparatus characterized by providing an optical transfer function between a light source such as a LED with a predetermined energy distribution pattern and a predetermined illuminated surface pattern such as a street light pattern. A lens is formed having a shape defined by the said optical transfer function. The said optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then, the projection of the energy distribution pattern onto the illuminated surface is generated. The predetermined illuminated surface pattern is compared to the said projection to determine it acceptably matches. Document US 2006/0044825A1 discloses a further illumination lamp.
    • Summary of the Invention
  • An objective of the present invention is to realize an illumination lamp whereby a homogeneous and soft lighting effect is created in desired regions of lamps such as stop lamp and an illumination which does not reach the eye directly is realized through use of an inner lens called as light curtain and covering the product entirely.
  • Another objective of the present invention is to realize an illumination lamp whereby saving is provided in terms of LED use through use of inner lens and product cost is reduced.
  • A further objective of the present invention is to realize an illumination lamp whereby the duty carried out by a plurality of LED's is fulfilled by the light curtain.
  • Another objective of the present invention is to realize an illumination lamp which is used as rear stop lamp.
    • Detailed Description of the Invention
  • "An illumination lamp with light curtain" realized to fulfill the objectives of the present invention is shown in the figures attached, in which:
    • Figure 1 is an exploded perspective view of the inventive illumination lamp used as stop lamp.
    • Figure 2 are views of the usage parts of the PCB in the inventive illumination lamp used as stop lamp.
    • Figure 3 are sectional views of the light curtain and the lighting members in the inventive illumination lamp used as stop lamp.
    • Figure 4 are sectional views of the light curtain which has prisms that transmit the beams proceeding in the horizontal direction in the vertical direction in the inventive illumination lamp used as stop lamp.
  • The components illustrated in the figures are individually numbered, where the numbers refer to the following:
    1. 1. Illumination lamp
    2. 2. Body
    3. 3. Connecting piece
    4. 4. Light curtain
    5. 5. Circuit board
    6. 6. Lighting member
    7. 7. Outer lens
    8. 8. Prism
    9. 9. Coating material
  • The inventive illumination lamp (1) comprises the features of claim 1.
  • The inventive illumination lamp (1) preferably comprises coating materials (9) for increasing homogeneity and efficiency of light of the rear surfaces of the light curtain (4). The said coating material (9) can be metalizing or white paint.
    In the inventive illumination lamp (1), the body (2), the connecting piece (3) which is located on the body (2); and the light curtain (4) which is located on the connecting piece (3) take form according to functions such as position, stop, reverse gear, rear fog, rear signal and reflex reflector, etc. of the lamp. In the preferred embodiment, the illumination lamp (1) is connected to the vehicle over the body (2).
  • According to the invention, the light curtain (4) has prisms that direct the beams proceeding in horizontal direction in vertical direction. Thus, the lighting members (6) do not appear on the outer lens (7) as point and an illumination is realized in the form of a curtain. Thus, a homogeneous and soft lighting effect is created while realizing an illumination which does not reach the eye directly.
    The circuit boards (5) are provided on the edges of the light curtain (4) such that they are placed on end portions of each section separated according to lamp functions.
    In a preferred embodiment, the lighting member (6) is LED. All functions on the stop lamp (1) are fulfilled by 15 LED's on average. In the inventive illumination lamp (1), number of LED used is reduced in the ratios of 70% by use of the light curtain (4) and improvement is also ensured in product cost in addition to a significant saving.
    The inventive illumination lamp is preferably used as rear stop lamp in vehicles.

Claims (3)

  1. An illumination lamp (1) for a vehicle body comprising
    - at least one body (2) which is configured to be connected with the vehicle body;
    - at least one inner lens called light curtain (4) having sections to make lighting according to lamp functions;
    - a plurality of circuit boards (5) which are placed on the edges of the light curtain (4) depending on the sections on the light curtain (4) such that they are placed on end portions of each section separated according to lamp functions;
    - a plurality of lighting members (6) which are located on the circuit board (5) and used for the purpose of lighting;
    - at least one outer lens (7) which is located on the light curtain (4) and there are reflex reflector prisms (8) on the lower part thereof;
    characterized by
    - at least one connecting piece (3) which is located in an inner part of the body (2), has shapes similar to the body (2);
    - the body (2), the connecting piece (3) located on the body (2); and the light curtain (4) located on the connecting piece (3) which take form according to functions such as position, stop, reverse gear, rear fog, rear signal and reflex reflector, etc. of the lamp;
    - said at least one light curtain (4) which directs the horizontal beams reaching on thereof such that they are vertical, said light curtain (4) having prisms that direct the beams proceeding in horizontal direction in vertical direction.
  2. An illumination lamp (1) according to claim 1; characterized by the lighting member (6) which is LED.
  3. An illumination lamp (1) according to any of the preceding claims; which is a rear stop lamp.
EP15734276.7A 2014-05-26 2015-05-25 Vehicle illumination lamp with light curtain/guide Active EP3149394B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20220106A RS62885B1 (en) 2014-05-26 2015-05-25 Vehicle illumination lamp with light curtain/guide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201405852 2014-05-26
PCT/TR2015/000234 WO2015183227A1 (en) 2014-05-26 2015-05-25 Vehicle illumination lamp with light curtain/guide

Publications (2)

Publication Number Publication Date
EP3149394A1 EP3149394A1 (en) 2017-04-05
EP3149394B1 true EP3149394B1 (en) 2021-11-17

Family

ID=53510966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15734276.7A Active EP3149394B1 (en) 2014-05-26 2015-05-25 Vehicle illumination lamp with light curtain/guide

Country Status (3)

Country Link
EP (1) EP3149394B1 (en)
RS (1) RS62885B1 (en)
WO (1) WO2015183227A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711592A (en) * 1994-10-25 1998-01-27 Honda Giken Kogyo Kabushiki Kaisha Lamplight device for vehicle
DE69809922T2 (en) * 1997-08-07 2003-08-21 Decoma Int Inc LIGHT-GUIDING AND LIGHT-DISTRIBUTING, THIN MANAGEMENT SYSTEM OF ONE OR MORE LIGHT SOURCES AND METHOD FOR PRODUCING OPTICAL STRUCTURES FOR USE IN SUCH A SYSTEM
EP2157363A2 (en) * 2008-08-22 2010-02-24 Magna International Inc. Optical element for vehicle lamp

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101795A1 (en) * 2001-01-17 2002-07-18 Bosch Gmbh Robert Flashing light, especially front flashing light, for motor vehicles has boundary light source in part of light conducting element in part of path of light from flashing light source
KR100542058B1 (en) * 2002-12-06 2006-01-11 주식회사 에스엘 엘씨디 Car lamp
US6984062B2 (en) * 2004-05-11 2006-01-10 Grang Fair Industrial Co., Ltd. Car light
US8434912B2 (en) 2006-02-27 2013-05-07 Illumination Management Solutions, Inc. LED device for wide beam generation
US20080225547A1 (en) * 2006-10-02 2008-09-18 Rogers Thomas W LED vehicle lamp
FR2939868B1 (en) * 2008-12-15 2013-09-13 Valeo Vision Sas OPTICAL SYSTEM FOR MOTOR VEHICLE
IT1403168B1 (en) * 2010-10-19 2013-10-04 Automotive Lighting Rear Lamps Italia S P A AUTOMOTIVE HEADLIGHT
DE202011051503U1 (en) * 2011-09-30 2011-12-01 Sonar Auto Parts Co., Ltd. Lichtleitaufbau and headlights for a vehicle
US8746939B2 (en) * 2011-11-07 2014-06-10 Ford Global Technologies, Llc Crystal off-axis LED headlamp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711592A (en) * 1994-10-25 1998-01-27 Honda Giken Kogyo Kabushiki Kaisha Lamplight device for vehicle
DE69809922T2 (en) * 1997-08-07 2003-08-21 Decoma Int Inc LIGHT-GUIDING AND LIGHT-DISTRIBUTING, THIN MANAGEMENT SYSTEM OF ONE OR MORE LIGHT SOURCES AND METHOD FOR PRODUCING OPTICAL STRUCTURES FOR USE IN SUCH A SYSTEM
EP2157363A2 (en) * 2008-08-22 2010-02-24 Magna International Inc. Optical element for vehicle lamp

Also Published As

Publication number Publication date
EP3149394A1 (en) 2017-04-05
RS62885B1 (en) 2022-03-31
WO2015183227A1 (en) 2015-12-03

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