JP2008004558A - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP2008004558A JP2008004558A JP2007212150A JP2007212150A JP2008004558A JP 2008004558 A JP2008004558 A JP 2008004558A JP 2007212150 A JP2007212150 A JP 2007212150A JP 2007212150 A JP2007212150 A JP 2007212150A JP 2008004558 A JP2008004558 A JP 2008004558A
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- JP
- Japan
- Prior art keywords
- output
- waveguide
- illumination source
- base layer
- light
- 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.)
- Pending
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Classifications
-
- 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
-
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0028—Light guide, e.g. taper
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
- G02B6/425—Optical features
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Vehicle Body Suspensions (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Integrated Circuits (AREA)
Abstract
【解決手段】
反射材料の基層(40)及び該基層に付着させた少なくとも1つの平面状光源(30)を含む照明源(70)、略平面状の出力導波管(220)並びに照明源(70)の出力を出力導波管の端縁入力面(222)に結合するテーパー付きの結合導波管(210)を含む照明装置(200)。略平面状の出力導波管(220)は、出力面、及び該出力面に対して略垂直な少なくとも1つの端縁入力面(222)を有する。結合導波管(210)は、(i)照明源の出力を受け取る入力面(212)であって、照明源(70)の基層の表面積に略等しい表面積を有する入力面、及び(ii)出力導波管の端縁入力面(222)に光を提供する出力面(214)であって、出力導波管(220)の端縁入力面(222)の表面積に略等しい表面積を有する出力面を含む。
【選択図】 図8
Description
n1sinΘd=n2sinΘd′
Θd′を求めるならば、次式となる。
Θd′=sin-1(n1/n2sinΘd)
Θd′が極端な角度の場合、光線は法線(テーパー付き面216に対する)から90°−(Θt+Θd′)の入射角度にてテーパー付き面216に衝突する。
Θ1=90°−[(2(r−1)+1)Θt+Θd′]
ここで、rは光線の反射数である。Θ1に対する等式に基づいて、光がテーパー付き結合導波管内に確実に止まるようにするためには、Θtは、次のように選択しなければならない。
Θt>Θc
又は、
90°−[(2(r−1)+1)Θt+Θd′]>sin-1(n1/n2)
Θtを求めると、
Θt<[90°−Θd′−sin-1(n1/n2)]/[(2(r−1)+1)]
この最後の関係により、採用されるLED、比屈折率、生じる可能性のある反射数に基づいて、テーパー角度を選択することができる。
Claims (4)
- 照明装置(200)であって、
(a)(i)反射材料の基層(40)及び(ii)該基層に付着させた少なくとも1つの平面状光源(30)を含む照明源(70)、
(b)略平面状の出力導波管(220)であって、出力面、及び該出力面に対して略垂直な少なくとも1つの端縁入力面(222)を有し、該端縁入力面が、照明源(70)の基層の表面積よりも実質的に小さい表面積を有する略平面状の出力導波管、並びに
(c)照明源(70)の出力を出力導波管の端縁入力面(222)に結合するテーパー付きの結合導波管(210)を含み、
前記結合導波管(210)は、(i)照明源の出力を受け取る入力面(212)であって、照明源(70)の基層の表面積に略等しい表面積を有する入力面、及び(ii)出力導波管の端縁入力面(222)に光を提供する出力面(214)であって、出力導波管(220)の端縁入力面(222)の表面積に略等しい表面積を有する出力面を含む照明装置。 - 前記光源(30)が二次元的な列に配置された請求項1の照明装置。
- 前記基層(40)が拡散反射材料からなる層(134)を含む請求項2の照明装置。
- 照明装置(200)であって、
(a)(i)拡散反射材料の層(134)及び該拡散反射材料の層に隣接する正反射材料の付加的な層(132)を含む、表面積を有する基層(40)、並びに(ii)前記基層に埋め込まれ且つ二次元的な列に配置された発光ダイオードを備える照明源(70)、
(b)略平面状の出力導波管(220)であって、出力面、及び該出力面に対して略垂直な少なくとも1つの端縁入力面(222)を有し、該端縁入力面が、照明源(70)の基層(40)の表面積よりも実質的に小さい表面積を有する略平面状の出力導波管、並びに
(c)照明源(70)の出力を出力導波管の端縁入力面(222)に結合するテーパー付きの結合導波管(210)を含み、
前記結合導波管(210)は、(i)照明源の出力を受け取る入力面(212)であって、照明源(70)の基層の表面積に略等しい表面積を有する入力面、及び(ii)出力導波管の端縁入力面(222)に光を提供する出力面(214)であって、出力導波管(220)の端縁入力面(222)の表面積に略等しい表面積を有する出力面(214)を含む照明装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/679,047 US6164789A (en) | 1996-07-12 | 1996-07-12 | Illumination sources and systems |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50605598A Division JP4031533B2 (ja) | 1996-07-12 | 1997-07-01 | 照明源及び照明装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008004558A true JP2008004558A (ja) | 2008-01-10 |
Family
ID=24725368
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50605598A Expired - Lifetime JP4031533B2 (ja) | 1996-07-12 | 1997-07-01 | 照明源及び照明装置 |
JP2007212150A Pending JP2008004558A (ja) | 1996-07-12 | 2007-08-16 | 照明装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50605598A Expired - Lifetime JP4031533B2 (ja) | 1996-07-12 | 1997-07-01 | 照明源及び照明装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6164789A (ja) |
EP (1) | EP1012500B1 (ja) |
JP (2) | JP4031533B2 (ja) |
KR (1) | KR100492859B1 (ja) |
AT (1) | ATE236377T1 (ja) |
DE (1) | DE69720549T2 (ja) |
TW (1) | TW384402B (ja) |
WO (1) | WO1998002690A1 (ja) |
Families Citing this family (40)
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JP4656444B2 (ja) * | 1998-06-04 | 2011-03-23 | セイコーエプソン株式会社 | プロジェクタ |
JP3585097B2 (ja) * | 1998-06-04 | 2004-11-04 | セイコーエプソン株式会社 | 光源装置,光学装置および液晶表示装置 |
CH690247A5 (de) * | 1999-03-24 | 2000-06-15 | Gerhard Staufert | Leuchtkörperaufbau. |
JP4049486B2 (ja) * | 1999-08-11 | 2008-02-20 | 三洋電機株式会社 | ショーケース |
US7027691B1 (en) | 1999-10-05 | 2006-04-11 | Visteon Global Technologies, Inc. | Light coupling and distribution system |
JP2001184927A (ja) * | 1999-12-28 | 2001-07-06 | Minebea Co Ltd | 面状照明装置 |
US6869427B1 (en) * | 2000-06-15 | 2005-03-22 | Kamran K. Shokoohi | LED fixation device for topical anesthesia eye surgery |
US6663262B2 (en) * | 2001-09-10 | 2003-12-16 | 3M Innovative Properties Company | Backlighting transmissive displays |
JP2004095390A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Display Technologies Corp | 照明装置及び表示装置 |
JP4216577B2 (ja) * | 2002-12-20 | 2009-01-28 | シチズン電子株式会社 | 導光板 |
US20090185392A1 (en) * | 2003-03-26 | 2009-07-23 | Optim, Inc. | Detachable illumination system |
JP4379786B2 (ja) * | 2003-11-11 | 2009-12-09 | 株式会社エンプラス | 面光源装置 |
JP4042687B2 (ja) * | 2003-12-15 | 2008-02-06 | ソニー株式会社 | 照明装置及びバックライト装置 |
US20050136200A1 (en) * | 2003-12-19 | 2005-06-23 | Durell Christopher N. | Diffuse high reflectance film |
US7591563B2 (en) * | 2004-01-15 | 2009-09-22 | Au Optronics Corporation | Backlight device for display system providing enhanced peripheral illumination |
DE102004012541A1 (de) * | 2004-03-15 | 2005-10-06 | BSH Bosch und Siemens Hausgeräte GmbH | Leuchtmodul zur Montage in einem Haushaltgerät und Haushaltgerät mit einem solchen |
TW200602585A (en) * | 2004-03-16 | 2006-01-16 | Koninkl Philips Electronics Nv | High brightness illumination device with incoherent solid state light source |
KR100649162B1 (ko) * | 2004-10-14 | 2006-11-28 | 주식회사 삼성산업 | Mspc 제품용 몰드의 탈형 방법 |
KR100665707B1 (ko) * | 2004-12-13 | 2007-01-09 | 주식회사 보림에쓰에쓰 | Mspc 조성물 타설 방법 |
US7296916B2 (en) * | 2004-12-21 | 2007-11-20 | 3M Innovative Properties Company | Illumination assembly and method of making same |
US20060131601A1 (en) * | 2004-12-21 | 2006-06-22 | Ouderkirk Andrew J | Illumination assembly and method of making same |
US7285802B2 (en) * | 2004-12-21 | 2007-10-23 | 3M Innovative Properties Company | Illumination assembly and method of making same |
JP4442766B2 (ja) * | 2005-02-18 | 2010-03-31 | 株式会社エンプラス | 導光板、面光源装置及び表示装置 |
US20060243379A1 (en) * | 2005-04-29 | 2006-11-02 | E-Beam & Light, Inc. | Method and apparatus for lamination by electron beam irradiation |
US7360905B2 (en) * | 2005-06-24 | 2008-04-22 | Texas Instruments Incorporated | Compact optical engine for very small personal projectors using LED illumination |
TW200722850A (en) * | 2005-12-02 | 2007-06-16 | Innolux Display Corp | Backlight module and liquid crystal display device |
KR100770602B1 (ko) * | 2005-12-30 | 2007-10-29 | 서울반도체 주식회사 | 광가이드 디바이스 및 이를 포함하는 lcd용 백라이팅모듈 |
US7926995B2 (en) * | 2006-10-02 | 2011-04-19 | Asahi Kasei Kabushiki Kaisha | Backlight assembly with thin film light pipe |
TWI330240B (en) * | 2006-11-03 | 2010-09-11 | Chimei Innolux Corp | Light emitting diode and backlight module using the same |
US8662727B2 (en) * | 2008-03-19 | 2014-03-04 | I2Ic Corporation | Apparatus for efficiently coupling light from a light source into a thin object |
US20110286236A1 (en) * | 2008-10-31 | 2011-11-24 | I2Ic Corporation | Light Source with Light Recovery Mechanism |
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US8845171B2 (en) * | 2011-05-19 | 2014-09-30 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED light-source structure and backlight module |
JP5721844B2 (ja) * | 2011-09-15 | 2015-05-20 | 三菱電機株式会社 | 面光源装置及び液晶表示装置 |
CN104238186A (zh) * | 2013-06-20 | 2014-12-24 | 扬升照明股份有限公司 | 背光模块 |
DE102015206298B3 (de) * | 2015-04-09 | 2016-08-11 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einem Beleuchtungselement |
US9823411B2 (en) | 2015-09-25 | 2017-11-21 | Snaptrack Inc. | Etendue-preserving light coupling system having light output aperture smaller than light input aperture |
TW201903444A (zh) * | 2017-04-21 | 2019-01-16 | 美商康寧公司 | 光耦合器 |
CN111133250A (zh) | 2017-08-01 | 2020-05-08 | 技术消费产品股份有限公司 | 具有辅助服务能力的边缘照明式灯具 |
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JPH04267222A (ja) * | 1991-02-21 | 1992-09-22 | Tosoh Corp | パネル用バックライト |
JPH0545652U (ja) * | 1991-11-21 | 1993-06-18 | 信越ポリマー株式会社 | 面状光源装置 |
JPH0715045A (ja) * | 1992-05-11 | 1995-01-17 | Susumu Kurokawa | 面発光照明装置 |
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1996
- 1996-07-12 US US08/679,047 patent/US6164789A/en not_active Expired - Lifetime
-
1997
- 1997-06-30 TW TW086109181A patent/TW384402B/zh not_active IP Right Cessation
- 1997-07-01 WO PCT/US1997/011378 patent/WO1998002690A1/en active IP Right Grant
- 1997-07-01 KR KR10-1999-7000214A patent/KR100492859B1/ko not_active IP Right Cessation
- 1997-07-01 AT AT97932394T patent/ATE236377T1/de not_active IP Right Cessation
- 1997-07-01 JP JP50605598A patent/JP4031533B2/ja not_active Expired - Lifetime
- 1997-07-01 EP EP97932394A patent/EP1012500B1/en not_active Expired - Lifetime
- 1997-07-01 DE DE69720549T patent/DE69720549T2/de not_active Expired - Lifetime
-
2007
- 2007-08-16 JP JP2007212150A patent/JP2008004558A/ja active Pending
Patent Citations (3)
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JPH04267222A (ja) * | 1991-02-21 | 1992-09-22 | Tosoh Corp | パネル用バックライト |
JPH0545652U (ja) * | 1991-11-21 | 1993-06-18 | 信越ポリマー株式会社 | 面状光源装置 |
JPH0715045A (ja) * | 1992-05-11 | 1995-01-17 | Susumu Kurokawa | 面発光照明装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20000023750A (ko) | 2000-04-25 |
WO1998002690A1 (en) | 1998-01-22 |
EP1012500A1 (en) | 2000-06-28 |
ATE236377T1 (de) | 2003-04-15 |
DE69720549D1 (de) | 2003-05-08 |
TW384402B (en) | 2000-03-11 |
US6164789A (en) | 2000-12-26 |
JP4031533B2 (ja) | 2008-01-09 |
JP2000514949A (ja) | 2000-11-07 |
EP1012500B1 (en) | 2003-04-02 |
KR100492859B1 (ko) | 2005-05-31 |
DE69720549T2 (de) | 2003-12-24 |
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