JP4393971B2 - 車両用照明灯具 - Google Patents
車両用照明灯具 Download PDFInfo
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- JP4393971B2 JP4393971B2 JP2004338663A JP2004338663A JP4393971B2 JP 4393971 B2 JP4393971 B2 JP 4393971B2 JP 2004338663 A JP2004338663 A JP 2004338663A JP 2004338663 A JP2004338663 A JP 2004338663A JP 4393971 B2 JP4393971 B2 JP 4393971B2
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- light
- reflector
- emitting element
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- lamp
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- Expired - Fee Related
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- 238000005286 illumination Methods 0.000 claims description 83
- 230000003287 optical effect Effects 0.000 claims description 59
- 230000037237 body shape Effects 0.000 claims description 7
- 230000004048 modification Effects 0.000 description 52
- 238000012986 modification Methods 0.000 description 52
- 230000002093 peripheral effect Effects 0.000 description 33
- 230000004907 flux Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- 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]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- 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]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- 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 - F21S41/2805
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
- G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
灯具前後方向に延びる光軸上に灯具前方へ向けて配置された発光素子と、この発光素子からの光を灯具後方へ向けて反射させる第1リフレクタと、この第1リフレクタで反射した上記発光素子からの光を灯具前方へ向けて反射させる第2リフレクタと、を備えてなる車両用照明灯具において、
上記第1リフレクタの反射面が、上記発光素子近傍の点を第1焦点とするとともに該反射面近傍の点を第2焦点とする楕円を、上記光軸まわりに回転させることにより形成される略ドーム状の回転体形状を有しており、
上記第1リフレクタにおいて、上記第2焦点を上記光軸まわりに回転させたときの円環軌跡を跨ぐ帯状領域が、透光部として構成されている、ことを特徴とするものである。
12、112 発光素子
14、114、214、314、414、614 透光ブロック
14A、214A、314A 中央ブロック
14Aa、14Ba、214Aa、314Aa、314Ba、414a、614Ba 前面
14Ab、14Bb 後面
14Ab1 凹部
14Ac、314Aa1、414a1、516c 透光部
14B、314B、614B 周縁ブロック
14Bb1 環状フランジ部
14Bc 内周面
16、516、716 第1リフレクタ
16a、18a、418a、516a、518a、716a、718a 反射面
18、418、518、718 第2リフレクタ
20 支持プレート
22 発光チップ
24 ベース部材
26 封止樹脂部材
214Aa1 直射光出射面
516b ピラー
614Bs 拡散レンズ素子
740 投影レンズ
Ax 光軸
E 楕円
F 後側焦点
F1 第1焦点
F2 第2焦点
HZ ホットゾーン
LF2 円環軌跡
PH ハイビーム用配光パターン
Pa、Pb、Pb0、Pb1、Pc、Pd、Pe、Pf 配光パターン
Claims (4)
- 灯具前後方向に延びる光軸上に灯具前方へ向けて配置された発光素子と、この発光素子からの光を灯具後方へ向けて反射させる第1リフレクタと、この第1リフレクタで反射した上記発光素子からの光を灯具前方へ向けて反射させる第2リフレクタと、を備えてなる車両用照明灯具において、
上記第1リフレクタの反射面が、上記発光素子近傍の点を第1焦点とするとともに該反射面近傍の点を第2焦点とする楕円を、上記光軸まわりに回転させることにより形成される略ドーム状の回転体形状を有しており、
上記第1リフレクタにおいて、上記第2焦点を上記光軸まわりに回転させたときの円環軌跡を跨ぐ帯状領域が、透光部として構成されている、ことを特徴とする車両用照明灯具。 - 上記第1リフレクタが、該第1リフレクタの表面における所定領域が反射面として構成された透光ブロックからなり、該透光ブロックに入射した上記発光素子からの光を上記反射面で内面反射させるように構成されている、ことを特徴とする請求項1記載の車両用照明灯具。
- 上記透光ブロックの表面において上記光軸を中心とする所定範囲の領域が、該透光ブロックに入射した上記発光素子からの光を該透光ブロックから灯具前方へ向けて直接出射させる直射光出射面として構成されている、ことを特徴とする請求項2記載の車両用照明灯具。
- 上記第2リフレクタが、上記第1リフレクタを構成する透光ブロックにより該第1リフレクタと一体で形成されており、
上記第2焦点の円環軌跡が、上記透光ブロック内に位置している、ことを特徴とする請求項2または3記載の車両用照明灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004338663A JP4393971B2 (ja) | 2004-11-24 | 2004-11-24 | 車両用照明灯具 |
DE102005054660A DE102005054660A1 (de) | 2004-11-24 | 2005-11-16 | Fahrzeug-Leuchtvorrichtung |
US11/282,679 US7416322B2 (en) | 2004-11-24 | 2005-11-21 | Vehicle lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004338663A JP4393971B2 (ja) | 2004-11-24 | 2004-11-24 | 車両用照明灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006147448A JP2006147448A (ja) | 2006-06-08 |
JP4393971B2 true JP4393971B2 (ja) | 2010-01-06 |
Family
ID=36371566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004338663A Expired - Fee Related JP4393971B2 (ja) | 2004-11-24 | 2004-11-24 | 車両用照明灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7416322B2 (ja) |
JP (1) | JP4393971B2 (ja) |
DE (1) | DE102005054660A1 (ja) |
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JP5350771B2 (ja) * | 2008-12-24 | 2013-11-27 | 株式会社小糸製作所 | 車両用照明灯具 |
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US8582053B2 (en) | 2009-02-12 | 2013-11-12 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
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US8558967B2 (en) | 2009-02-12 | 2013-10-15 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
JP5342938B2 (ja) * | 2009-06-19 | 2013-11-13 | パナソニック株式会社 | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 |
US8469554B2 (en) | 2009-02-12 | 2013-06-25 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
US8576351B2 (en) | 2009-02-12 | 2013-11-05 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
JP5342940B2 (ja) * | 2009-06-19 | 2013-11-13 | パナソニック株式会社 | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 |
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CN102080771A (zh) * | 2009-11-27 | 2011-06-01 | 富准精密工业(深圳)有限公司 | 发光二极管灯具 |
DE102010014099A1 (de) * | 2010-04-07 | 2011-10-13 | Siteco Beleuchtungstechnik Gmbh | Leuchte mit Abdeckscheibe |
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2004
- 2004-11-24 JP JP2004338663A patent/JP4393971B2/ja not_active Expired - Fee Related
-
2005
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US20060109669A1 (en) | 2006-05-25 |
DE102005054660A1 (de) | 2006-06-01 |
JP2006147448A (ja) | 2006-06-08 |
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