JP2010521038A - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP2010521038A JP2010521038A JP2009532923A JP2009532923A JP2010521038A JP 2010521038 A JP2010521038 A JP 2010521038A JP 2009532923 A JP2009532923 A JP 2009532923A JP 2009532923 A JP2009532923 A JP 2009532923A JP 2010521038 A JP2010521038 A JP 2010521038A
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- light guide
- light
- hole
- lighting device
- 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.)
- Granted
Links
- 238000000605 extraction Methods 0.000 claims description 24
- 238000005286 illumination Methods 0.000 claims description 12
- 238000003491 array Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- 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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (16)
- 導光板と、
該導光板内に配置される孔の内に収容される発光ダイオードの少なくとも1つの配列とを含み、
各孔は、
少なくとも2つの側部切子面を有し、前記孔内に配置される発光ダイオードからの光は、該少なくとも2つの側部切子面を通じて、前記導光板内に横方向に取り込まれ、
前記少なくとも2つの側部切子面の2つの収束する側部切子面によって形成される、少なくとも1つの隅部を有する、
照明装置。 - 前記孔は、孔内に配置される発光ダイオードからの光が、隣接する孔の前記側部切子面から反射して離れるよう方向付けられるサブビームに分割されるように配置される、請求項1に記載の照明装置。
- 1つの孔の前記少なくとも1つの隅部の隅部は、隣接する孔に向かって向く、請求項1又は2に記載の照明装置。
- 前記孔の中心と前記隅部との間の仮想線の延長は、前記隣接する孔を横断する、請求項3に記載の照明装置。
- 前記1つの孔の前記隅部と前記隣接する孔の隅部とは、互いに向かって向き合う、請求項3に記載の照明装置。
- 各孔の横断面は、正方形である、請求項1乃至5のうちのいずれか1項に記載の照明装置。
- 前記導光板は、前記導光板から光を取り出すための少なくとも1つの取出し構造を含み、各孔の前記側部切子面は、前記少なくとも1つの取出し構造と整列される、請求項1乃至6のうちのいずれか1項に記載の照明装置。
- 前記少なくとも1つの発光ダイオード配列は、少なくとも1つの直線的な発光ダイオード配列を含む、請求項1乃至7のうちのいずれか1項に記載の照明装置。
- 前記導光板は、正方形の形状であり、前記少なくとも1つの直線的な発光ダイオード配列は、前記正方形の導光板に対して斜めに、好ましくは、約45°に配置される、請求項8に記載の照明装置。
- 前記少なくとも1つの発光ダイオード配列は、少なくとも1つの円形の発光ダイオード配列を含む、請求項1乃至7のうちのいずれか1項に記載の照明装置。
- 前記導光板は、円形の形状である、請求項10に記載の照明装置。
- 前記導光板は、方向付け手段をさらに含み、該方向付け手段は、前記発光ダイオードから放射される光を、前記方向付け手段を通過して、孔のない前記導光板の地域に向かって方向付ける、請求項1乃至11のうちのいずれか1項に記載の照明装置。
- 前記発光ダイオード配列は、前記導光板の反射縁部に沿って配置され、前記方向付け手段は、前記縁部によって反射される光が前記配列の前記孔の間の空間に向かって方向付けられるよう配置されるスリットを含む、請求項12に記載の照明装置。
- 前記導光板は、直角三角形の形状を有し、前記三角形の導光板の1つの隣辺は、反射縁部によって形成される、請求項13に記載の照明装置。
- 前記三角形の導光板の他の隣辺は、反射縁部によって形成され、前記三角形の導光板の斜辺は、前記導光板から光を取り出すための取出し構造を含む、請求項14に記載の照明装置。
- 2つの発光ダイオード配列が、互いに対して沿って配置され、前記方向付け手段は、1つの配列からの光が、前記他の配列の孔の間の空間に向かって方向付けられるよう配置される、請求項12に記載の照明装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06122321.0 | 2006-10-16 | ||
EP06122321 | 2006-10-16 | ||
EP07100359 | 2007-01-11 | ||
EP07100359.4 | 2007-01-11 | ||
PCT/IB2007/054104 WO2008047265A1 (en) | 2006-10-16 | 2007-10-09 | Lighting device |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010521038A true JP2010521038A (ja) | 2010-06-17 |
JP2010521038A5 JP2010521038A5 (ja) | 2010-07-29 |
JP5166422B2 JP5166422B2 (ja) | 2013-03-21 |
Family
ID=39144790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009532923A Active JP5166422B2 (ja) | 2006-10-16 | 2007-10-09 | 照明装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8066419B2 (ja) |
EP (1) | EP2082164B1 (ja) |
JP (1) | JP5166422B2 (ja) |
TW (1) | TWI452390B (ja) |
WO (1) | WO2008047265A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010055889A (ja) * | 2008-08-27 | 2010-03-11 | Panasonic Corp | 面光源装置、バックライト装置、およびディスプレイ装置 |
JP2011134485A (ja) * | 2009-12-22 | 2011-07-07 | Sumita Optical Glass Inc | 発光装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8212263B2 (en) * | 2009-04-03 | 2012-07-03 | Koninklijke Philips Electronics N.V. | Backlight including semiconductior light emitting devices |
US20110196728A1 (en) * | 2010-02-05 | 2011-08-11 | Oracle International Corporation | Service level communication advertisement business |
DE102010010464B4 (de) | 2010-03-06 | 2011-11-17 | Bcd-Gmbh | Lesehilfe |
US8307547B1 (en) | 2012-01-16 | 2012-11-13 | Indak Manufacturing Corp. | Method of manufacturing a circuit board with light emitting diodes |
TWI476350B (zh) * | 2012-03-21 | 2015-03-11 | Young Lighting Technology Inc | 光源模組 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003215577A (ja) * | 2001-09-06 | 2003-07-30 | Seiko Epson Corp | 導光装置、電気光学装置及び電子機器 |
WO2006107105A1 (ja) * | 2005-04-01 | 2006-10-12 | Sony Corporation | バックライト装置、液晶表示装置及び光偏向シート |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US6712481B2 (en) * | 1995-06-27 | 2004-03-30 | Solid State Opto Limited | Light emitting panel assemblies |
EP0835408B1 (en) * | 1995-06-29 | 2001-08-22 | Siemens Microelectronics, Inc. | Localized illumination using tir technology |
US6987613B2 (en) * | 2001-03-30 | 2006-01-17 | Lumileds Lighting U.S., Llc | Forming an optical element on the surface of a light emitting device for improved light extraction |
US6607286B2 (en) * | 2001-05-04 | 2003-08-19 | Lumileds Lighting, U.S., Llc | Lens and lens cap with sawtooth portion for light emitting diode |
JP2004253318A (ja) * | 2003-02-21 | 2004-09-09 | Minebea Co Ltd | 面状照明装置 |
TWI325078B (en) * | 2003-10-15 | 2010-05-21 | Hon Hai Prec Ind Co Ltd | Planar light device and liquid crystal display |
TW200522387A (en) * | 2003-12-26 | 2005-07-01 | Ind Tech Res Inst | High-power LED planarization encapsulation structure |
TWI247863B (en) * | 2004-04-21 | 2006-01-21 | Arima Optoelectronics Corp | Lighting device |
JP4535792B2 (ja) * | 2004-07-01 | 2010-09-01 | Nec液晶テクノロジー株式会社 | バックライト及びそのバックライトを備えた液晶表示装置 |
EP1640756A1 (en) * | 2004-09-27 | 2006-03-29 | Barco N.V. | Methods and systems for illuminating |
KR101261449B1 (ko) * | 2006-05-03 | 2013-05-10 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함는 액정 표시 장치 |
-
2007
- 2007-10-09 US US12/445,314 patent/US8066419B2/en active Active
- 2007-10-09 WO PCT/IB2007/054104 patent/WO2008047265A1/en active Application Filing
- 2007-10-09 JP JP2009532923A patent/JP5166422B2/ja active Active
- 2007-10-09 EP EP07826689.7A patent/EP2082164B1/en active Active
- 2007-10-12 TW TW096138293A patent/TWI452390B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003215577A (ja) * | 2001-09-06 | 2003-07-30 | Seiko Epson Corp | 導光装置、電気光学装置及び電子機器 |
WO2006107105A1 (ja) * | 2005-04-01 | 2006-10-12 | Sony Corporation | バックライト装置、液晶表示装置及び光偏向シート |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010055889A (ja) * | 2008-08-27 | 2010-03-11 | Panasonic Corp | 面光源装置、バックライト装置、およびディスプレイ装置 |
JP2011134485A (ja) * | 2009-12-22 | 2011-07-07 | Sumita Optical Glass Inc | 発光装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2082164B1 (en) | 2016-04-13 |
US20100102334A1 (en) | 2010-04-29 |
EP2082164A1 (en) | 2009-07-29 |
JP5166422B2 (ja) | 2013-03-21 |
TWI452390B (zh) | 2014-09-11 |
US8066419B2 (en) | 2011-11-29 |
WO2008047265A1 (en) | 2008-04-24 |
TW200900808A (en) | 2009-01-01 |
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