JP2008547175A - 光偏向領域を有する光導波体 - Google Patents
光偏向領域を有する光導波体 Download PDFInfo
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- JP2008547175A JP2008547175A JP2008518434A JP2008518434A JP2008547175A JP 2008547175 A JP2008547175 A JP 2008547175A JP 2008518434 A JP2008518434 A JP 2008518434A JP 2008518434 A JP2008518434 A JP 2008518434A JP 2008547175 A JP2008547175 A JP 2008547175A
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Classifications
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- 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
- G02B6/0018—Redirecting means on the surface of 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
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-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
- F21S43/20—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
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- 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
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- 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
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- 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
-
- 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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Endoscopes (AREA)
Abstract
Description
本願は2005年6月23日付の米国出願第60/693254号"REPLACEABLE VEHICLE LAMP WITH LED LIGHT SOURCES"および2005年6月24日付の米国出願第60/693999号"DIRECT OPTICAL LIGHT GUIDE"に関連しており、これらの出願の優先権を主張する。
本発明は光導波体に関する。より詳細に云えば、本発明はLED光源を有する車両ランプアセンブリ用の光導波体に関する。
工業分野では光源をできるだけ小さくすることは必須であるとされている。光源を小さくすることにより材料コストが節約され、光学的なイメージング能も向上する。しかし一方では大きな領域を照明しなければならないという逆の要求も存在する。特に車両照明では、当該の車両の存在を表すために車両の表面に大きな視覚画像が必要である。後者の要求は過去においては大きな白熱灯およびリフレクタ装置を用いることによって満たされた。ついでソリッドステート照明の登場により光源のサイズを大幅に低減することに重点が置かれてきたが、ビーム状照明を大きな領域へ拡大して車両を良好に照明しようとする要求はいまだに存在する。リフレクタを必要としない照明システム、さらには交換可能な光源を利用できる照明システムが提供されることが望まれている。
上述した課題は、入力窓、遠端、前面および後面を備えたほぼ剛性の光伝送体を有する光導波体において、光伝送体はほぼ滑らかな外面としての前面とほぼ透明かつ固体の内部と光を内部へ入力するための入力窓とを有しており、この入力窓は中心軸線に対してほぼ横断方向に延在しており、光伝送体は、ほぼ一定の厚さすなわちほぼ一定の前面から後面までの距離を有しており、かつ、入力窓から60゜〜120゜の弧部を介して出力領域をなす延長部を経て遠端まで延在しており、少なくとも出力領域の後面に前面へ向かって捕捉光(intercepted light)を偏向する複数の反射段が設けられている構成により解決される。
図1には本発明で用いられる第1の光源の平面図が示されている。図2には本発明で用いられる第2の光源の平面図が示されている。図3には図1の3−3線での断面図が示されている。図4には本発明の光導波体の第1の実施例の平面図が示されている。図5には図4の5−5線での断面図が示されている。図6には本発明の光導波体の第2の実施例の平面図が示されている。図7には図6の7−7線での断面図が示されている。図8には本発明の光導波体の第3の実施例の平面図が示されている。図9には図8の9−9線での断面図が示されている。図10には本発明の光導波体の光偏向領域の部分斜視図が示されている。
本発明を良好に理解してもらうために、本発明の課題、特徴および利点を図示の実施例に則して以下に説明する。本発明の各特徴は特許請求の範囲に関連する。
Claims (11)
- 入力窓、遠端、前面および後面を備えた剛性の光伝送体を有する
光導波体において、
光伝送体は滑らかな外面としての前面と透明かつ固体の内部と光を内部へ入力するための入力窓とを有しており、該入力窓は中心軸線に対してほぼ横断方向に延在しており、
光伝送体は、前面から後面までの距離としてのほぼ一定の厚さを有しており、かつ、入力窓から60゜〜120゜の弧部を介して出力領域をなす延長部を経て遠端まで延在しており、
少なくとも出力領域の後面に前面へ向かって光を偏向する複数の反射段が設けられている
ことを特徴とする光導波体。 - 出力領域の前面には反射段から受信された光を所望の方向へ偏向する屈折手段が設けられている、請求項1記載の光導波体。
- 光伝送体は約90゜の弧部を介して延在している、請求項1記載の光導波体。
- 出力領域をなす延長部は入力窓から遠端までの表面距離の1/3の長さを有する、請求項1記載の光導波体。
- 入力窓から遠端までの表面距離は光導波体の平均厚さの10倍より大きい、請求項1記載の光導波体。
- 光伝送体は中心軸線を中心として回転する回転体である、請求項1記載の光導波体。
- 少なくとも1つの反射段は前面の少なくとも1つの屈折手段へ向かって光を偏向させる反射面を有する、請求項1記載の光導波体。
- それぞれ入力窓、遠端、前面および後面を備えたほぼ剛性の光伝送体から成る複数の導波フィンガを有する
光導波体において、
各導波フィンガはほぼ滑らかな外面としての前面とほぼ透明かつ固体の内部と光を内部へ入力するための入力窓とを有しており、該入力窓は少なくとも1つのLED光源の径にわたる大きさおよび形状を有しており、
各導波フィンガは、前面から後面までの距離としてのほぼ一定の厚さを有しており、かつ、入力窓から60゜〜120゜の弧部を介して出力領域をなす延長部を経て遠端まで延在しており、
少なくとも各出力領域の後面に前面へ向かって光を偏向する複数の反射段が設けられており、各出力領域の前面に反射段から受信された光を所望の方向へ偏向する屈折手段が設けられており、各出力領域は共通の1平面に存在する
ことを特徴とする光導波体。 - 各導波フィンガは相互に平行なラインとして配置されている、請求項8記載の光導波体。
- 各導波フィンガは中心軸線を中心として配置されている、請求項8記載の光導波体。
- 各導波フィンガは中心軸線に対して等間隔の放射状に配置されている、請求項10記載の光導波体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69325405P | 2005-06-23 | 2005-06-23 | |
US60/693,254 | 2005-06-23 | ||
US69399905P | 2005-06-24 | 2005-06-24 | |
US60/693,999 | 2005-06-24 | ||
PCT/US2006/024484 WO2007002403A2 (en) | 2005-06-23 | 2006-06-23 | Direct optical light guide |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008547175A true JP2008547175A (ja) | 2008-12-25 |
JP5001940B2 JP5001940B2 (ja) | 2012-08-15 |
Family
ID=37595880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008518434A Expired - Fee Related JP5001940B2 (ja) | 2005-06-23 | 2006-06-23 | 光偏向領域を有する光導波体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7375382B2 (ja) |
EP (2) | EP1894249A4 (ja) |
JP (1) | JP5001940B2 (ja) |
KR (1) | KR101372136B1 (ja) |
CA (1) | CA2610870A1 (ja) |
WO (1) | WO2007002403A2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012169116A (ja) * | 2011-02-14 | 2012-09-06 | Stanley Electric Co Ltd | 車両用灯具 |
JP2012523081A (ja) * | 2009-04-02 | 2012-09-27 | 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 | 発光デバイス及び照明器具 |
JP2013016463A (ja) * | 2011-06-30 | 2013-01-24 | Chun Kuang Optics Corp | 光学デバイスおよびそれを備える発光装置 |
JP2013045609A (ja) * | 2011-08-24 | 2013-03-04 | Stanley Electric Co Ltd | 灯具 |
JP2017503320A (ja) * | 2014-01-03 | 2017-01-26 | フィリップス ライティング ホールディング ビー ヴィ | 光学要素、照明デバイス及び照明器具 |
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US7588359B2 (en) * | 2005-09-26 | 2009-09-15 | Osram Sylvania Inc. | LED lamp with direct optical coupling in axial arrangement |
EP2101202A1 (fr) * | 2008-03-10 | 2009-09-16 | Basta France | Dispositif de signalisation lumineuse pour cycle |
US7837370B2 (en) | 2008-10-10 | 2010-11-23 | Koninklijke Philips Electronics N.V. | Low profile side emission TIR lens for LED |
JP5363235B2 (ja) * | 2009-08-04 | 2013-12-11 | 株式会社小糸製作所 | 車両用灯具 |
US10359151B2 (en) * | 2010-03-03 | 2019-07-23 | Ideal Industries Lighting Llc | Solid state lamp with thermal spreading elements and light directing optics |
KR101781424B1 (ko) * | 2010-11-26 | 2017-09-26 | 서울반도체 주식회사 | 엘이디 조명기구 |
US8487518B2 (en) * | 2010-12-06 | 2013-07-16 | 3M Innovative Properties Company | Solid state light with optical guide and integrated thermal guide |
JP5178930B1 (ja) * | 2011-03-11 | 2013-04-10 | 株式会社東芝 | 照明装置 |
CN102691890A (zh) * | 2011-03-21 | 2012-09-26 | 欧司朗股份有限公司 | 全向照明装置 |
US9081125B2 (en) | 2011-08-08 | 2015-07-14 | Quarkstar Llc | Illumination devices including multiple light emitting elements |
US8708543B2 (en) | 2011-08-10 | 2014-04-29 | Osram Sylvania Inc. | Light engine having distributed remote phosphors |
US8523407B2 (en) * | 2011-09-13 | 2013-09-03 | Chun Kuang Optics Corp. | Optical element and illuminant device using the same |
JP5537612B2 (ja) * | 2012-07-09 | 2014-07-02 | 株式会社東芝 | 照明装置 |
CN110094666A (zh) | 2012-09-13 | 2019-08-06 | 夸克星有限责任公司 | 提供直接和间接照明的照明系统 |
WO2015010087A1 (en) | 2013-07-18 | 2015-01-22 | Quarkstar Llc | Illumination device in which source light injection is non-parallel to device's optical axis |
CN110286437A (zh) | 2013-09-17 | 2019-09-27 | 夸克星有限责任公司 | 照明装置 |
USD732730S1 (en) * | 2014-08-05 | 2015-06-23 | General Luminaire Co., Ltd. | Spliceable lamp panel |
USD733959S1 (en) * | 2014-08-05 | 2015-07-07 | General Luminaire Co., Ltd. | Spliceable lamp panel |
JP1535161S (ja) * | 2014-09-05 | 2015-10-19 | ||
JP1535162S (ja) * | 2014-09-05 | 2015-10-19 | ||
CN108613125B (zh) * | 2016-12-23 | 2023-11-21 | 市光法雷奥(佛山)汽车照明系统有限公司 | 用于机动车辆的发光装置 |
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2006
- 2006-06-05 US US11/447,214 patent/US7375382B2/en not_active Expired - Fee Related
- 2006-06-23 KR KR1020087001798A patent/KR101372136B1/ko not_active IP Right Cessation
- 2006-06-23 JP JP2008518434A patent/JP5001940B2/ja not_active Expired - Fee Related
- 2006-06-23 EP EP06785441A patent/EP1894249A4/en not_active Withdrawn
- 2006-06-23 CA CA002610870A patent/CA2610870A1/en not_active Abandoned
- 2006-06-23 WO PCT/US2006/024484 patent/WO2007002403A2/en active Application Filing
- 2006-06-23 EP EP11158125A patent/EP2341279A3/en not_active Withdrawn
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US6356394B1 (en) * | 1999-09-11 | 2002-03-12 | Preh- Werke Gmbh & Co. Kg | Mushroom-shaped light guide |
JP2003141909A (ja) * | 2001-11-02 | 2003-05-16 | Koito Mfg Co Ltd | 車輌用灯具 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012523081A (ja) * | 2009-04-02 | 2012-09-27 | 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 | 発光デバイス及び照明器具 |
JP2012169116A (ja) * | 2011-02-14 | 2012-09-06 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013016463A (ja) * | 2011-06-30 | 2013-01-24 | Chun Kuang Optics Corp | 光学デバイスおよびそれを備える発光装置 |
JP2013045609A (ja) * | 2011-08-24 | 2013-03-04 | Stanley Electric Co Ltd | 灯具 |
JP2017503320A (ja) * | 2014-01-03 | 2017-01-26 | フィリップス ライティング ホールディング ビー ヴィ | 光学要素、照明デバイス及び照明器具 |
Also Published As
Publication number | Publication date |
---|---|
KR101372136B1 (ko) | 2014-03-07 |
WO2007002403A3 (en) | 2007-12-13 |
WO2007002403A2 (en) | 2007-01-04 |
US20060291249A1 (en) | 2006-12-28 |
CA2610870A1 (en) | 2007-01-04 |
EP1894249A4 (en) | 2010-09-29 |
JP5001940B2 (ja) | 2012-08-15 |
EP2341279A3 (en) | 2013-01-02 |
US7375382B2 (en) | 2008-05-20 |
EP2341279A2 (en) | 2011-07-06 |
EP1894249A2 (en) | 2008-03-05 |
KR20080027874A (ko) | 2008-03-28 |
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