JP2009016347A - Ledランプモジュール - Google Patents
Ledランプモジュール Download PDFInfo
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- JP2009016347A JP2009016347A JP2008170599A JP2008170599A JP2009016347A JP 2009016347 A JP2009016347 A JP 2009016347A JP 2008170599 A JP2008170599 A JP 2008170599A JP 2008170599 A JP2008170599 A JP 2008170599A JP 2009016347 A JP2009016347 A JP 2009016347A
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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
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- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
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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]
- F21S41/143—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]
- F21S41/151—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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—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
- F21S41/30—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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/28—Cover glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
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- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
【解決手段】 LEDランプ(10)が、キャビティ(16)を画定する内壁(14)を含むハウジング(12)を有し、LED光源(26)がキャビティ(16)内に位置決めされ、光を前方に照射する。反射性表面(30)と、前方開口(32)及び後方開口(34)とを有するリフレクタ(28)が光源(26)を包囲し、複合レンズ(38)が前方開口を閉鎖する。複合レンズ(38)は周囲縁部(42)に沿って配置した第1の光学反射性要素(40)と、複合レンズ(38)の中心に位置付けた第2の光学反射性要素(44)とを含み、第1の光学反射性要素(40)が複数の溝状レンズ(40a)を含み、第2の光学反射性要素(44)が凹凸状レンズ(44a)を含んでいる。
【選択図】 図1
Description
解決しようとする他の課題は、改良されたフォグランプを提供することである。
解決しようとする他の課題は、ライトの作動性及び寿命を改善することである。
解決しようとする更に他の課題は、直径の小さいレンズを使用するスモールパッケージを含む、自動車用ランプを提供することである。スモールパッケージは、ワイドなビーム拡がり及び高い光学効率を持つ完全シール型の内臓ユニットを含むことが好ましい。
本発明の完全シール型の内臓ユニットによれば、発光ダイオードによる長い寿命が提供され、LED光源及びパラボラ形リフレクタからの光を多機能レンズが適正に配向する。
改良されたフォグランプが提供される。
ライトの作動性及び寿命を改善され、直径の小さい光学部品を使用するスモールパッケージを含む、自動車用ランプが提供される。
回路基板24をキャビティ16内で後壁18に隣り合わせて且つ後壁と熱的に連通する状態で取り付ける。回路基板は、LED光源26を受けるための切り欠き部24aを含む。
光を十分に集めるためには中実のコリメート用レンズをLED光源26に十分接近させる必要がある。自動車での150℃の温度条件にも耐え得る透明材料はガラスだけであるが、ガラスは達成不能な光学上の幾つかの設計限界を有し、しかも高価である。
ガスケット48を保護カバー46とハウジング12との間に位置決めし、キャビティ16にシール状態で取付ける。
ハウジング12の外側22には、自動車の電源電力を回路基板24に接続し、次いでLED光源に接続する給電線を受けるプラグカップリング50を形成する。
以上、本発明を実施例を参照して説明したが、本発明の内で種々の変更をなし得ることを理解されたい。
12 ハウジング
14 内壁
16 キャビティ
18a ボス
18 後壁
20 ヒートシンク
22 外側
24a 切り欠き部
24 回路基板
26 LED光源
28 リフレクタ
30 反射面
32 前方開口
34 後方開口
38 複合プロジェクタレンズ
40a 溝状レンズ
40 第1の光学反射性要素
42 周囲縁部
44a 凹凸状レンズ
44 第2の光学反射性要素
46 保護カバー
50 プラグカップリング
60 雌コネクタ
62 雄部分
Claims (6)
- LEDランプであって、
前方を向いた開口を提供し且つ後壁を有するキャビティを画定する内壁を備え、キャビティの後壁の外側に伸延するヒートシンクを含むハウジングと、
キャビティの後壁に隣り合ってキャビティ内に取り付けられ、キャビティの後壁と熱的に連通する回路基板と、
回路基板で囲む状態でキャビティの後壁に取付けたLED光源にして、前方と、前方方向から90°までの範囲の側方とに光を照射するLED光源と、
前方開口と後方開口とを有するパラボラ状の反射面を含み、キャビティ内に位置決めしたリフレクタにして、前記LED光源がリフレクタの反射面を向くようにして後方開口内に位置決めされ、LED光源からの光を遮断し、遮断した光を配向するリフレクタと、
前記回路基板と、LED光源と、リフレクタとを包囲する状態でハウジングに連結したレンズにして、周囲縁部に沿って配置した第1の光学反射性要素と、カバーレンズ上の中心に位置付けた第2の光学反射性要素とを有するレンズと、
ハウジングの外側に形成したプラグカップリングにして、回路基板に電力を繋ぐための給電線を受けるプラグカップリングと、
を含むLEDランプ。 - 第1の光学反射性要素が複数の溝状レンズを含んでいる請求項1のLEDランプ。
- 第2の光学反射性要素が凹凸状レンズを含んでいる請求項1のLEDランプ。
- レンズを跨ぐ保護カバーをハウジングに固定した請求項1のLEDランプ。
- LEDフォグランプであって、
前方“F”を向いた開口を提供し且つ後壁を有するキャビティを画定する内壁を備え、キャビティの後壁の外側に伸延するヒートシンクを含み、該ヒートシンクが半径方向に伸延して空気に露呈される少なくとも1つの薄い壁を含むハウジングと、
キャビティの後壁に隣り合ってキャビティ内に取り付けられ、キャビティの後壁と熱的に連通する回路基板と、
回路基板で囲む状態でキャビティの後壁に支持させたLED光源にして、前方“F”及び側方“SW”に光を照射するLED光源と、
反射面を含み、前方開口と後方開口とを有し、キャビティ内に位置決めしたリフレクタにして、回路基板を後壁に押し付けて回路基板から後壁への伝熱を良好化し、前記LED光源がリフレクタの反射面を向くようにして後方開口内に位置決めされ、リフレクタがLED光源からの光を遮断し、遮断した光を前方に配向するリフレクタと、
前記回路基板と、LED光源と、リフレクタとを包囲する状態でハウジングに連結したレンズにして、周囲縁部に沿って配置した第1の光学反射性要素と、レンズの中心に位置付けた第2の光学反射性要素とを有するレンズと、
を含み、
前記第1の光学反射性要素が複数の溝状レンズを含み、前記第2の光学的反射性要素が凹凸状レンズを含み、
ハウジングを跨ぎ且つキャビティをシールする状態で配置した保護カバーと、
ハウジングの外側に形成したプラグカップリングにして、回路基板に送電する給電線を受けるプラグカップリングと、
を含むLEDフォグランプ。 - レンズであって、該レンズの周囲縁部に沿って配置した第1の光学反射性要素と、レンズの中心に位置付けた第2の光学反射性要素とを含み、第1の光学反射性要素が複数の溝状レンズを含み、第2の光学反射性要素が凹凸状レンズを含むレンズ。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US93784507P | 2007-06-30 | 2007-06-30 | |
| US12/011,866 US7686486B2 (en) | 2007-06-30 | 2008-01-30 | LED lamp module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2009016347A true JP2009016347A (ja) | 2009-01-22 |
Family
ID=39731451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008170599A Pending JP2009016347A (ja) | 2007-06-30 | 2008-06-30 | Ledランプモジュール |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7686486B2 (ja) |
| EP (1) | EP2009345B1 (ja) |
| JP (1) | JP2009016347A (ja) |
| KR (1) | KR101510468B1 (ja) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101975367A (zh) * | 2010-10-29 | 2011-02-16 | 铜陵科乐福新光电有限公司 | 组合式led格栅灯 |
| CN101975368A (zh) * | 2010-10-29 | 2011-02-16 | 铜陵科乐福新光电有限公司 | Led格栅灯 |
| CN101975362A (zh) * | 2010-10-29 | 2011-02-16 | 铜陵科乐福新光电有限公司 | 带有散热罩的led射灯 |
| CN101975366A (zh) * | 2010-10-29 | 2011-02-16 | 铜陵科乐福新光电有限公司 | 组合式led筒灯 |
| CN102062340A (zh) * | 2010-10-29 | 2011-05-18 | 铜陵科乐福新光电有限公司 | 带有接线端子的led筒灯 |
| JP2011198658A (ja) * | 2010-03-19 | 2011-10-06 | Stanley Electric Co Ltd | 車両用前照灯 |
| JP2012109145A (ja) * | 2010-11-18 | 2012-06-07 | Koito Mfg Co Ltd | 灯具ユニット |
| JP2012230834A (ja) * | 2011-04-26 | 2012-11-22 | Koito Mfg Co Ltd | 車両用灯具 |
| JP2013502685A (ja) * | 2009-08-19 | 2013-01-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 照明装置及び斯かる照明装置に適したレンズ |
| KR101344210B1 (ko) | 2012-07-11 | 2013-12-24 | 에스엔제이 주식회사 | 조립작업성이 향상된 컴팩트형 엘이디 램프 |
| JP2015053270A (ja) * | 2009-05-25 | 2015-03-19 | エルジー イノテック カンパニー リミテッド | ギャップ部材、レンズ及びこれを備えた照明装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20090003009A1 (en) | 2009-01-01 |
| KR20090004569A (ko) | 2009-01-12 |
| US7686486B2 (en) | 2010-03-30 |
| EP2009345A3 (en) | 2009-04-01 |
| KR101510468B1 (ko) | 2015-04-08 |
| EP2009345A2 (en) | 2008-12-31 |
| EP2009345B1 (en) | 2012-06-20 |
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