JP5041444B2 - 広い照明角を提供するライトパイプ - Google Patents
広い照明角を提供するライトパイプ Download PDFInfo
- Publication number
- JP5041444B2 JP5041444B2 JP2009501476A JP2009501476A JP5041444B2 JP 5041444 B2 JP5041444 B2 JP 5041444B2 JP 2009501476 A JP2009501476 A JP 2009501476A JP 2009501476 A JP2009501476 A JP 2009501476A JP 5041444 B2 JP5041444 B2 JP 5041444B2
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- JP
- Japan
- Prior art keywords
- light
- light pipe
- reflective surfaces
- radius
- reflective
- 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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- 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
- G02B6/0005—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 of the fibre type
- G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Description
202a 内部突起
208,212a,212b,308,312a,312b,108 反射面
210,310,410,510 外面
212a,212b,312a,312b 反射面
214,314 内部領域
220,320,420,520 内面
301 露出面
302 溝
410a,510a 第1部分
410b,510b 第2部分
510c 第3部分
Claims (1)
- 広い有効照明角を提供しつつ、同時にライトパイプの長さ方向に沿って光の一様な分布を提供するよう構成されているライトパイプ(200,300,400,500)であって、外面(210,310,410,510)と、該外面と界面を接する内面(220,320,420,520)により隣接する内部領域(214,314)とを有するライトパイプにおいて、
前記内面と界面を接する一つ以上の反射面(208,212a,212b,308,312a,312b,108)は、前記一つ以上の反射面のうちの少なくとも一つに光が当たる際に一つ以上の特定角の光放出を生じさせるように配置され、
前記ライトパイプは、前記内部領域に配置された少なくとも1個の内部突起(202,302)をさらに有し、
前記一つ以上の反射面は、前記少なくとも1個の内部突起上に配置され、
前記一つ以上の反射面は、二つ以上の反射面を具備し、
前記二つ以上の反射面(208,308)のうちの一つは、前記二つ以上の反射面のうちの他方とほぼ直交し、
前記外面は、一つ以上の反射面(108)を具備し、
該反射面は、前記内面と整列すると共に、前記一つ以上の反射面のうちの少なくとも一つに光が当たる際に、光放出の一つ以上の特定角度で前記ライトパイプから光を放出するように配置され、
複数の反射点(P)が前記内面(220,320)上に形成され、前記一つ以上の反射面(208,212a,212b,308,312a,312b)の少なくとも一つに光が当たる際に前記一つ以上の特定角の光放出を生じさせ、
前記一つ以上の反射面の少なくとも一つは、該一つ以上の反射面の少なくとも一つに光が当たる際に第2の光源を形成し、
前記少なくとも1個の内部突起は、前記内部領域(314)に配置された溝(302)を具備し、
前記溝は、前記内部領域に少なくとも一つの露出面(301)を形成し、
前記一つ以上の反射面(308,312a,312b)は、前記内部領域の前記少なくとも一つの露出面に配置され、
前記外面は、第1部分(410a,510a)と少なくとも第2部分(410b,510b,510c)とを有し、
前記一つ以上の反射面(108)は2次光源として機能し、
前記少なくとも第2部分は、前記外面(410,510)の前記第1部分の曲率半径と異なる曲率半径を有し、
前記少なくとも第2部分の曲率半径は、前記外面の前記第1部分の曲率半径より大きく、
前記外面(510)は少なくとも第3部分(510c)を具備し、
該第3部分は、前記少なくとも第2部分(510b)の曲率半径とも前記外面の前記第1部分(510a)の曲率半径とも異なる曲率半径を有することを特徴とするライトパイプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/384,679 US7585097B2 (en) | 2006-03-19 | 2006-03-19 | Light pipe providing wide illumination angle |
US11/384,679 | 2006-03-19 | ||
PCT/US2007/006711 WO2007109176A1 (en) | 2006-03-19 | 2007-03-16 | Light pipe providing wide illumination angle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009530793A JP2009530793A (ja) | 2009-08-27 |
JP5041444B2 true JP5041444B2 (ja) | 2012-10-03 |
Family
ID=38325283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009501476A Active JP5041444B2 (ja) | 2006-03-19 | 2007-03-16 | 広い照明角を提供するライトパイプ |
Country Status (9)
Country | Link |
---|---|
US (2) | US7585097B2 (ja) |
EP (2) | EP2002294B1 (ja) |
JP (1) | JP5041444B2 (ja) |
KR (1) | KR101001064B1 (ja) |
CN (1) | CN101449188B (ja) |
CA (1) | CA2645567C (ja) |
MX (1) | MX2008011921A (ja) |
TW (1) | TWI416047B (ja) |
WO (1) | WO2007109176A1 (ja) |
Families Citing this family (12)
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US7887216B2 (en) | 2008-03-10 | 2011-02-15 | Cooper Technologies Company | LED-based lighting system and method |
US8147110B2 (en) * | 2008-03-20 | 2012-04-03 | Tyco Electronics Canada Ulc | Light pipe assembly |
US20090310330A1 (en) * | 2008-06-13 | 2009-12-17 | Cooper Technologies Company | Combination Luminaire and Path of Egress Lighting |
US7997757B2 (en) * | 2008-06-13 | 2011-08-16 | Cooper Technologies Company | Luminaire with integral signage endcaps |
KR101158960B1 (ko) * | 2008-08-13 | 2012-06-21 | 우시오덴키 가부시키가이샤 | 도광체 및 2분기 선 형상 광원 장치 |
US8038314B2 (en) * | 2009-01-21 | 2011-10-18 | Cooper Technologies Company | Light emitting diode troffer |
JP3166908U (ja) * | 2009-12-10 | 2011-03-31 | 勝華科技股▲分▼有限公司 | 導光棒と、この導光棒を有する照明モジュール |
WO2011158160A1 (en) * | 2010-06-17 | 2011-12-22 | Koninklijke Philips Electronics N.V. | Illumination device with waveguide and leds |
AT511476B1 (de) * | 2011-06-01 | 2012-12-15 | Zizala Lichtsysteme Gmbh | Beleuchtungseinrichtung |
US9316775B2 (en) | 2014-02-04 | 2016-04-19 | Tyco Electronics Canada Ulc | Light assembly with light guide |
US20160084446A1 (en) * | 2014-09-23 | 2016-03-24 | Osram Sylvania Inc. | Tubular LED Lamp |
JP2019139932A (ja) * | 2018-02-08 | 2019-08-22 | スタンレー電気株式会社 | 車両用灯具 |
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DE10032927A1 (de) | 2000-07-06 | 2002-01-17 | Hella Kg Hueck & Co | Beleuchtungseinrichtung |
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JP2002298628A (ja) * | 2001-03-30 | 2002-10-11 | Minebea Co Ltd | 面状照明装置 |
DE10137605A1 (de) * | 2001-08-01 | 2003-02-27 | Hella Kg Hueck & Co | Leuchte für Fahrzeuge |
US6576887B2 (en) * | 2001-08-15 | 2003-06-10 | 3M Innovative Properties Company | Light guide for use with backlit display |
JP2003098358A (ja) * | 2001-09-25 | 2003-04-03 | Matsushita Electric Works Ltd | ライトガイドおよびそれを用いた手摺構造 |
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-
2006
- 2006-03-19 US US11/384,679 patent/US7585097B2/en active Active
-
2007
- 2007-03-16 JP JP2009501476A patent/JP5041444B2/ja active Active
- 2007-03-16 MX MX2008011921A patent/MX2008011921A/es active IP Right Grant
- 2007-03-16 CA CA2645567A patent/CA2645567C/en active Active
- 2007-03-16 CN CN2007800183104A patent/CN101449188B/zh active Active
- 2007-03-16 EP EP07753346.1A patent/EP2002294B1/en active Active
- 2007-03-16 KR KR1020087022746A patent/KR101001064B1/ko active IP Right Grant
- 2007-03-16 TW TW096109126A patent/TWI416047B/zh active
- 2007-03-16 EP EP11151083.0A patent/EP2302426B1/en active Active
- 2007-03-16 WO PCT/US2007/006711 patent/WO2007109176A1/en active Application Filing
-
2009
- 2009-04-23 US US12/429,038 patent/US8070343B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CA2645567A1 (en) | 2007-09-27 |
KR20080106268A (ko) | 2008-12-04 |
CN101449188A (zh) | 2009-06-03 |
EP2302426B1 (en) | 2019-10-09 |
CN101449188B (zh) | 2011-12-21 |
US20090201697A1 (en) | 2009-08-13 |
EP2302426A3 (en) | 2011-04-20 |
EP2002294B1 (en) | 2020-01-15 |
MX2008011921A (es) | 2009-03-02 |
US8070343B2 (en) | 2011-12-06 |
EP2002294A1 (en) | 2008-12-17 |
CA2645567C (en) | 2011-09-20 |
JP2009530793A (ja) | 2009-08-27 |
US7585097B2 (en) | 2009-09-08 |
WO2007109176A1 (en) | 2007-09-27 |
EP2302426A2 (en) | 2011-03-30 |
TW200736544A (en) | 2007-10-01 |
KR101001064B1 (ko) | 2010-12-14 |
US20070217216A1 (en) | 2007-09-20 |
TWI416047B (zh) | 2013-11-21 |
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