JP2019212472A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2019212472A JP2019212472A JP2018107193A JP2018107193A JP2019212472A JP 2019212472 A JP2019212472 A JP 2019212472A JP 2018107193 A JP2018107193 A JP 2018107193A JP 2018107193 A JP2018107193 A JP 2018107193A JP 2019212472 A JP2019212472 A JP 2019212472A
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens
- region
- front surface
- lens body
- 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
- 238000009792 diffusion process Methods 0.000 claims abstract description 17
- 230000006866 deterioration Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 7
- 235000014698 Brassica juncea var multisecta Nutrition 0.000 description 3
- 244000275904 brauner Senf Species 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004065 semiconductor Substances 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
- F21S43/236—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
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
-
- 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
-
- 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
- F21S43/247—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
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- 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
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—Optical layout thereof
- F21S43/315—Optical layout thereof using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (2)
- 前面とその反対側の後面とを含むレンズ体と、
前記レンズ体の後方に配置され、前記後面から前記レンズ体に入光し、前記前面から出光する光を発光する光源と、を備え、
前記前面は、当該前面から出光する前記光源からの光の拡散角を制御する複数のレンズカットを含み、
前記複数のレンズカットのうち少なくとも1つのレンズカットは、第1領域及び第2領域を含み、
前記レンズ体は、前記第2領域から出光するように前記後面から当該レンズ体に入光した前記光源からの光の少なくとも一部を内面反射する反射面を含み、
前記第1領域は、前記後面から前記レンズ体に入光し、当該第1領域から出光する前記光源からの直射光の拡散角を制御する面として構成され、
前記第2領域は、当該第2領域から出光する前記反射面からの反射光の拡散角を制御する面として構成された車両用灯具。 - 前記第1領域及び第2領域を含むレンズカットは、前記前面のうち前記レンズ体内を進行する距離が相対的に長い前記光源からの光が出光する領域に設けられる請求項1に記載の車両用灯具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018107193A JP7211655B2 (ja) | 2018-06-04 | 2018-06-04 | 車両用灯具 |
US16/428,364 US10837618B2 (en) | 2018-06-04 | 2019-05-31 | Vehicular lamp |
EP19178133.5A EP3578877B1 (en) | 2018-06-04 | 2019-06-04 | Vehicular lamp |
CN201910479700.6A CN110553219B (zh) | 2018-06-04 | 2019-06-04 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018107193A JP7211655B2 (ja) | 2018-06-04 | 2018-06-04 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019212472A true JP2019212472A (ja) | 2019-12-12 |
JP7211655B2 JP7211655B2 (ja) | 2023-01-24 |
Family
ID=66752008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018107193A Active JP7211655B2 (ja) | 2018-06-04 | 2018-06-04 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10837618B2 (ja) |
EP (1) | EP3578877B1 (ja) |
JP (1) | JP7211655B2 (ja) |
CN (1) | CN110553219B (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015115165A (ja) * | 2013-12-11 | 2015-06-22 | スタンレー電気株式会社 | 車両用灯具及びレンズ体 |
JP2016100087A (ja) * | 2014-11-18 | 2016-05-30 | 市光工業株式会社 | 車両用灯具 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7410279B2 (en) * | 2005-12-07 | 2008-08-12 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
JP5440857B2 (ja) * | 2010-03-05 | 2014-03-12 | スタンレー電気株式会社 | 車両用灯具ユニット、及び、車両用灯具 |
DE102012211748A1 (de) * | 2012-07-05 | 2013-10-31 | Osram Gmbh | Optisches kollimationssystem |
JP2014038733A (ja) | 2012-08-13 | 2014-02-27 | Koito Mfg Co Ltd | 車両用灯具 |
JP6203519B2 (ja) * | 2012-09-13 | 2017-09-27 | 株式会社小糸製作所 | 車両用灯具 |
DE102013212352A1 (de) | 2013-06-26 | 2014-12-31 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung mit einer Einkoppeloptik und einer Transport- und Umformoptik |
KR20150071410A (ko) | 2013-12-18 | 2015-06-26 | 에스엘 주식회사 | 차량용 램프 |
EP3333477B1 (en) * | 2014-05-23 | 2024-07-03 | Stanley Electric Co., Ltd. | Lens body, vehicle lighting feature |
JP6548887B2 (ja) | 2014-10-24 | 2019-07-24 | スタンレー電気株式会社 | 車両用灯具 |
DE102015115969A1 (de) | 2015-09-22 | 2017-04-13 | Hella Kgaa Hueck & Co. | Beleuchtungsvorrichtung für Fahrzeuge |
DE102015222495A1 (de) | 2015-11-13 | 2017-05-18 | Automotive Lighting Reutlingen Gmbh | Vorsatzoptik und Vorsatzoptikanordnung mit mehreren Vorsatzoptiken |
CN109416163B (zh) * | 2016-05-04 | 2021-05-04 | Lg伊诺特有限公司 | 照明模块 |
-
2018
- 2018-06-04 JP JP2018107193A patent/JP7211655B2/ja active Active
-
2019
- 2019-05-31 US US16/428,364 patent/US10837618B2/en active Active
- 2019-06-04 CN CN201910479700.6A patent/CN110553219B/zh active Active
- 2019-06-04 EP EP19178133.5A patent/EP3578877B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015115165A (ja) * | 2013-12-11 | 2015-06-22 | スタンレー電気株式会社 | 車両用灯具及びレンズ体 |
JP2016100087A (ja) * | 2014-11-18 | 2016-05-30 | 市光工業株式会社 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
EP3578877A1 (en) | 2019-12-11 |
US10837618B2 (en) | 2020-11-17 |
JP7211655B2 (ja) | 2023-01-24 |
CN110553219B (zh) | 2023-05-30 |
US20190368681A1 (en) | 2019-12-05 |
EP3578877B1 (en) | 2022-08-10 |
CN110553219A (zh) | 2019-12-10 |
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