JP6448250B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6448250B2 JP6448250B2 JP2014163370A JP2014163370A JP6448250B2 JP 6448250 B2 JP6448250 B2 JP 6448250B2 JP 2014163370 A JP2014163370 A JP 2014163370A JP 2014163370 A JP2014163370 A JP 2014163370A JP 6448250 B2 JP6448250 B2 JP 6448250B2
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- JP
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- Prior art keywords
- light
- distribution pattern
- light distribution
- projection lens
- light emitting
- 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.)
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Classifications
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- 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
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- 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
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/285—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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- 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
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- 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
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
Description
ロービーム照射とハイビーム照射とを選択的に行い得るように構成された車両用灯具において、
投影レンズとこの投影レンズの後方に配置された第1光源とを備え、上記第1光源からの出射光を上記投影レンズを介して前方へ向けて照射するように構成されており、
上記投影レンズの後方に、ロービーム用配光パターンを形成するために上記投影レンズへ向かう上記第1光源からの光の一部を遮光するシェードと、上記ロービーム用配光パターンに対してハイビーム用の付加配光パターンを付加的に形成するために上記投影レンズに光を入射させる発光ユニットとが配置されており、
上記発光ユニットは、第2光源と、この第2光源からの出射光を入射させて前端面から出射させる透光部材とを備えており、
上記シェードは、上記透光部材の上面に表面処理を施すことによって構成されており、
上記透光部材の上面における該上面の前端縁から後方に離れた位置に、該透光部材に入射した上記第2光源からの光を、上記前端縁の上方空間を通過させるようにして上記投影レンズへ向けて出射させる出射窓が形成されている、ことを特徴とするものである。
10、110 車両用灯具
12 投影レンズ
14 発光素子(第1光源)
16 リフレクタ
16a 反射面
18 レンズホルダ
20 シェード
20a 前端縁
22 ベース部材
30、130 発光ユニット
32 発光素子(第2光源)
32a 発光面
34、134 透光部材
34A、34B、34C、34D 透光片
34a、134a 前端面
34b、134b 底面
34b1 凹部
34c、134c 反射面
34d、134d 上面
34dA、134dA 前部反射面
34dB、134dB 出射窓
Ax 光軸
CL1 下段カットオフライン
CL2 上段カットオフライン
E エルボ点
F 後側焦点
PA、PAm、PB 付加配光パターン
Pa 配光パターン
PH1、PH2 ハイビーム用配光パターン
PL1、PL2 ロービーム用配光パターン
PM1 中間的配光パターン
Claims (3)
- ロービーム照射とハイビーム照射とを選択的に行い得るように構成された車両用灯具において、
投影レンズとこの投影レンズの後方に配置された第1光源とを備え、上記第1光源からの出射光を上記投影レンズを介して前方へ向けて照射するように構成されており、
上記投影レンズの後方に、ロービーム用配光パターンを形成するために上記投影レンズへ向かう上記第1光源からの光の一部を遮光するシェードと、上記ロービーム用配光パターンに対してハイビーム用の付加配光パターンを付加的に形成するために上記投影レンズに光を入射させる発光ユニットとが配置されており、
上記発光ユニットは、第2光源と、この第2光源からの出射光を入射させて前端面から出射させる透光部材とを備えており、
上記シェードは、上記透光部材の上面に表面処理を施すことによって構成されており、
上記透光部材の上面における該上面の前端縁から後方に離れた位置に、該透光部材に入射した上記第2光源からの光を、上記前端縁の上方空間を通過させるようにして上記投影レンズへ向けて出射させる出射窓が形成されている、ことを特徴とする車両用灯具。 - 上記透光部材の上面は、上記出射窓よりも前方に位置する領域が、該上面の前端縁から斜め下後方へ向けて延びる前部反射面として構成されている、ことを特徴とする請求項1記載の車両用灯具。
- 上記透光部材は、左右方向に並列に配置された複数の透光片で構成されており、
上記第2光源として、上記各透光片に光を入射させるようにして配置された複数の発光素子を備えており、
上記複数の発光素子は、個別に点灯し得るように構成されている、ことを特徴とする請求項1または2記載の車両用灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014163370A JP6448250B2 (ja) | 2014-08-11 | 2014-08-11 | 車両用灯具 |
US14/822,067 US9714747B2 (en) | 2014-08-11 | 2015-08-10 | Vehicle lamp |
DE102015215200.6A DE102015215200A1 (de) | 2014-08-11 | 2015-08-10 | Fahrzeugleuchte |
CN201510490694.6A CN105371204B (zh) | 2014-08-11 | 2015-08-11 | 车辆用灯具 |
FR1557663A FR3024762B1 (fr) | 2014-08-11 | 2015-08-11 | Feu de vehicule |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014163370A JP6448250B2 (ja) | 2014-08-11 | 2014-08-11 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016039110A JP2016039110A (ja) | 2016-03-22 |
JP6448250B2 true JP6448250B2 (ja) | 2019-01-09 |
Family
ID=55135055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014163370A Active JP6448250B2 (ja) | 2014-08-11 | 2014-08-11 | 車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9714747B2 (ja) |
JP (1) | JP6448250B2 (ja) |
CN (1) | CN105371204B (ja) |
DE (1) | DE102015215200A1 (ja) |
FR (1) | FR3024762B1 (ja) |
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