EP2541132A3 - Vehicle lamp - Google Patents
Vehicle lamp Download PDFInfo
- Publication number
- EP2541132A3 EP2541132A3 EP12172617.8A EP12172617A EP2541132A3 EP 2541132 A3 EP2541132 A3 EP 2541132A3 EP 12172617 A EP12172617 A EP 12172617A EP 2541132 A3 EP2541132 A3 EP 2541132A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflection area
- light
- vehicle lamp
- partial reflection
- reflector
- 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.)
- Withdrawn
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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
- F21S41/332—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with continuity at the junction between adjacent areas
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011141954A JP5749584B2 (en) | 2011-06-27 | 2011-06-27 | Lighting fixtures for vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2541132A2 EP2541132A2 (en) | 2013-01-02 |
EP2541132A3 true EP2541132A3 (en) | 2014-06-25 |
Family
ID=46319014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12172617.8A Withdrawn EP2541132A3 (en) | 2011-06-27 | 2012-06-19 | Vehicle lamp |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2541132A3 (en) |
JP (1) | JP5749584B2 (en) |
CN (1) | CN102853358B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6101587B2 (en) | 2013-07-18 | 2017-03-22 | 株式会社小糸製作所 | Vehicle headlamp |
DE102013215897B4 (en) * | 2013-08-12 | 2015-05-13 | Automotive Lighting Reutlingen Gmbh | Method for calculating the surfaces of optical lenses |
JP6981174B2 (en) * | 2017-10-25 | 2021-12-15 | トヨタ自動車株式会社 | Vehicle headlight device |
JP7269025B2 (en) * | 2019-02-12 | 2023-05-08 | 株式会社小糸製作所 | vehicle lamp |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2255625A (en) * | 1991-04-20 | 1992-11-11 | Bosch Gmbh Robert | Headlight for vehicles |
EP0561410A1 (en) * | 1992-03-18 | 1993-09-22 | Ichikoh Industries Limited | Projector-type headlamp for vehicles |
US20030189840A1 (en) * | 2002-04-08 | 2003-10-09 | Koito Manufacturing Co., Ltd. | Vehicular headlamp |
EP1426675A2 (en) * | 2002-12-02 | 2004-06-09 | Ichikoh Industries, Ltd. | Vehicle headlamp, reflector for the vehicle headlamp, computer program for designing the reflector |
US20070147062A1 (en) * | 2005-12-28 | 2007-06-28 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4387157B2 (en) * | 2003-10-23 | 2009-12-16 | 株式会社小糸製作所 | Vehicle headlamp |
CN100483013C (en) * | 2004-01-09 | 2009-04-29 | 株式会社小糸制作所 | Vehicular front headlamp |
JP4339213B2 (en) * | 2004-09-10 | 2009-10-07 | 株式会社小糸製作所 | Vehicle headlamp |
JP2008078001A (en) * | 2006-09-22 | 2008-04-03 | Koito Mfg Co Ltd | Headlamp for automobile |
-
2011
- 2011-06-27 JP JP2011141954A patent/JP5749584B2/en not_active Expired - Fee Related
-
2012
- 2012-06-19 EP EP12172617.8A patent/EP2541132A3/en not_active Withdrawn
- 2012-06-27 CN CN201210217000.8A patent/CN102853358B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2255625A (en) * | 1991-04-20 | 1992-11-11 | Bosch Gmbh Robert | Headlight for vehicles |
EP0561410A1 (en) * | 1992-03-18 | 1993-09-22 | Ichikoh Industries Limited | Projector-type headlamp for vehicles |
US20030189840A1 (en) * | 2002-04-08 | 2003-10-09 | Koito Manufacturing Co., Ltd. | Vehicular headlamp |
EP1426675A2 (en) * | 2002-12-02 | 2004-06-09 | Ichikoh Industries, Ltd. | Vehicle headlamp, reflector for the vehicle headlamp, computer program for designing the reflector |
US20070147062A1 (en) * | 2005-12-28 | 2007-06-28 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
Also Published As
Publication number | Publication date |
---|---|
JP2013008636A (en) | 2013-01-10 |
CN102853358B (en) | 2017-03-01 |
EP2541132A2 (en) | 2013-01-02 |
JP5749584B2 (en) | 2015-07-15 |
CN102853358A (en) | 2013-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20120619 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F21V 7/00 20060101ALI20140522BHEP Ipc: F21S 8/12 20060101AFI20140522BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20160422 |