JP2001506397A - 照明ユニット - Google Patents
照明ユニットInfo
- Publication number
- JP2001506397A JP2001506397A JP52715898A JP52715898A JP2001506397A JP 2001506397 A JP2001506397 A JP 2001506397A JP 52715898 A JP52715898 A JP 52715898A JP 52715898 A JP52715898 A JP 52715898A JP 2001506397 A JP2001506397 A JP 2001506397A
- Authority
- JP
- Japan
- Prior art keywords
- lighting unit
- waveguide plate
- light
- prisms
- prism
- 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
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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
- G02B6/0033—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
-
- 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
- G02B6/0045—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 by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
- 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
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 少なくとも2つの広幅カバー面(14,16)と少なくとも1つの狭幅辺( 11)とを有する導波路プレート(10)を備えた、面状均質照明用の照明ユニ ットであって、少なくとも1つの狭幅辺(11)に光源(12)、特に冷陰極蛍 光灯が、光を主として導波路プレート(10)内へ光学的に入力結合させるよう に装着されており、しかも前記導波路プレート(10)が少なくとも1つの広幅 カバー面(16,14)に複数のプリズム(17)を備えている形式のものにお いて、導波路プレート(10)の、光の強さが弱くなる領域内に、単位面積当り 比較的多数のプリズム及び/又は比較的大きな寸法のプリズムが設けられている ことを特徴とする、照明ユニット。 2. プリズム(17)が縦軸線を有しており、かつ各プリズムが前記縦軸線に沿 って不変的な横断面形状を有している、請求項1記載の照明ユニット。 3. 全てのプリズム(17)が等しい横断面形状を有している、請求項2記載の 照明ユニット。 4. プリズムが三角形の横断面形状を有しており、かつ該三角形の全ての角度が 固定値をとる、請求項3記載の照明ユニット。 5. 三角形の辺ラインが湾曲されており、特に放物線 状に湾曲されている、請求項4記載の照明ユニット。 6. プリズム(17)の面が、鏡映層を有している、請求項1から5までのいず れか1項記載の照明ユニット。 7. プリズム(17)が縦軸線を有しており、該縦軸線が区域的に、光の強さの 勾配方向に対してほぼ平行に配置されている、請求項1から6までのいずれか1 項記載の照明ユニット。 8. プリズム(17)が縦軸線を有しており、該縦軸線が区域的に、光の強さの 勾配方向に対してほぼ垂直に配置されている、請求項1又は2記載の照明ユニッ ト。 9. プリズム(17)が縦軸線を有しており、該縦軸線が区域的にほぼ平行に配 置されており、前記プリズムの奥行き及び/又は幅が、導波路プレート(10) の、光の強さが弱くなる領域内では比較的大きくなる、請求項1から8までのい ずれか1項記載の照明ユニット。 10.プリズム(17)の縦軸線が、照明ユニットの対称軸線に対してほぼ平行に 方位づけられている、請求項9記載の照明ユニット。 11.少なくとも2つの広幅カバー面(14,16)と少なくとも1つの狭幅辺( 11)とを有する導波路プレート(10)を備えた、面状均質照明用の照明 ユニットであって、少なくとも1つの狭幅辺(11)に光源(12)、特に冷陰 極蛍光灯が、光を主として導波路プレート(10)内へ光学的に入力結合させる ように装着されており、しかも前記導波路プレート(10)が少なくとも1つの 広幅カバー面(16,14)に複数のプリズム(17)を備えている形式のもの において、導波路プレート(10)の、光の強さが弱くなる領域内では、前記導 波路プレート(10)の肉厚が薄くなるように設けられていることを特徴とする 、照明ユニット。 12.少なくとも2つの広幅カバー面(14,16)と少なくとも1つの狭幅辺( 11)とを有する導波路プレート(10)を備えた、面状均質照明用の照明ユニ ットであって、少なくとも1つの狭幅辺(11)に光源(12)、特に冷陰極蛍 光灯が、光を主として導波路プレート(10)内へ光学的に入力結合させるよう に装着されている形式のものにおいて、導波路プレート(10)の1つの面上に ミラー(18)が設けられており、該ミラー(18)が、導波路プレート(10 )の、光の強さが弱くなる領域に位置している所では、より小さな反射能を有し ていることを特徴とする、照明ユニット。 13.ミラー(18)上に、低反射能の点が複数設けられており、該点が高反射能 ゾーンによって包囲されており、前記ミラー(18)が、導波路プレート( 10)の、光の強さが弱くなる領域に位置している所では、前記点が少数設けら れている、請求項12記載の照明ユニット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19652209.9 | 1996-12-16 | ||
DE19652209A DE19652209A1 (de) | 1996-12-16 | 1996-12-16 | Beleuchtungseinheit |
PCT/DE1997/002307 WO1998027382A1 (de) | 1996-12-16 | 1997-10-09 | Beleuchtungseinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001506397A true JP2001506397A (ja) | 2001-05-15 |
JP4083231B2 JP4083231B2 (ja) | 2008-04-30 |
Family
ID=7814815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52715898A Expired - Fee Related JP4083231B2 (ja) | 1996-12-16 | 1997-10-09 | 照明ユニット |
Country Status (5)
Country | Link |
---|---|
US (1) | US6330386B1 (ja) |
EP (1) | EP0944799B1 (ja) |
JP (1) | JP4083231B2 (ja) |
DE (2) | DE19652209A1 (ja) |
WO (1) | WO1998027382A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007273288A (ja) * | 2006-03-31 | 2007-10-18 | Nippon Leiz Co Ltd | 導光板および平面照明装置 |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19700472A1 (de) | 1997-01-09 | 1998-07-23 | Bosch Gmbh Robert | Beleuchtungseinheit |
JP4111363B2 (ja) * | 1998-12-10 | 2008-07-02 | 株式会社エンプラス | 導光板、サイドライト型面光源装置及び液晶表示装置 |
TW592308U (en) * | 1999-02-17 | 2004-06-11 | Enplas Corp | Light guiding plate, surface light source device, and liquid crystal display device |
KR100324285B1 (ko) * | 1999-04-14 | 2002-02-21 | 구본준, 론 위라하디락사 | 반사형 액정 표시장치용 보조 광원장치 |
DE19961491B4 (de) * | 1999-05-25 | 2005-08-04 | Siteco Beleuchtungstechnik Gmbh | Innenraumleuchte mit Hohllichtleiter |
DE59914126D1 (de) † | 1999-05-25 | 2007-02-15 | Siteco Beleuchtungstech Gmbh | Leuchte mit breitstrahlender Lichtstärkeverteilung |
US7046905B1 (en) * | 1999-10-08 | 2006-05-16 | 3M Innovative Properties Company | Blacklight with structured surfaces |
US6421104B1 (en) * | 1999-10-22 | 2002-07-16 | Motorola, Inc. | Front illuminator for a liquid crystal display and method of making same |
JP3742570B2 (ja) | 2000-08-11 | 2006-02-08 | 株式会社エンプラス | 導光板、面光源装置及び表示装置 |
US7289083B1 (en) * | 2000-11-30 | 2007-10-30 | Palm, Inc. | Multi-sided display for portable computer |
JP3890192B2 (ja) * | 2000-12-22 | 2007-03-07 | Nec液晶テクノロジー株式会社 | フロントライト、液晶表示装置及び電子機器 |
US8384674B1 (en) | 2001-01-30 | 2013-02-26 | Hewlett-Packard Development Company, L.P. | Integrated enclosure/touch screen assembly |
JP5061409B2 (ja) * | 2001-05-08 | 2012-10-31 | 日本電気株式会社 | 液晶表示装置 |
US6992659B2 (en) | 2001-05-22 | 2006-01-31 | Palmone, Inc. | High transparency integrated enclosure touch screen assembly for a portable hand held device |
US7142195B2 (en) | 2001-06-04 | 2006-11-28 | Palm, Inc. | Interface for interaction with display visible from both sides |
CN100392491C (zh) * | 2001-07-27 | 2008-06-04 | 株式会社恩普乐 | 面光源装置及导光板 |
JP4049624B2 (ja) | 2001-07-27 | 2008-02-20 | 株式会社エンプラス | 面光源装置、画像表示装置及び導光板 |
JP3706594B2 (ja) * | 2001-07-30 | 2005-10-12 | 三洋電機株式会社 | 導光板、面光源装置および表示装置 |
US6685328B1 (en) * | 2001-08-27 | 2004-02-03 | Plamone, Inc. | Display having planar light guide with integrally formed frame |
JP2003150073A (ja) * | 2001-08-27 | 2003-05-21 | Omron Corp | 画像表示装置及びフロントライト |
US7852430B1 (en) | 2001-11-29 | 2010-12-14 | Palm, Inc. | Light guide spacers for backlighting a reflective display |
US6908204B2 (en) | 2002-02-02 | 2005-06-21 | Edward Robert Kraft | Flat panel luminaire having embedded light guides |
FR2838179B1 (fr) * | 2002-04-05 | 2004-12-24 | Phlox | Appareil de retroeclairage |
TW595723U (en) * | 2003-03-06 | 2004-06-21 | Taiwan Nano Electro Opt Tech | Adjusting device for brightness and darkness area of point source |
JP2005276453A (ja) * | 2004-03-23 | 2005-10-06 | Yowa:Kk | 面光源用導光板 |
US7618164B2 (en) * | 2005-06-09 | 2009-11-17 | Ubright Optronics Corporation | Moire reducing optical substrates with irregular prism structures |
KR101285620B1 (ko) * | 2005-06-28 | 2013-07-12 | 엘지디스플레이 주식회사 | 백라이트유니트 및 이를 구비한 액정표시장치 |
JP4440868B2 (ja) * | 2005-10-25 | 2010-03-24 | 三菱電機株式会社 | 面状光源装置及びこれを用いた液晶表示装置 |
TWI339743B (en) * | 2005-12-06 | 2011-04-01 | Ubright Optronics Corp | A luminance enhancement film and manufacturing method thereof and method for enhancing brightness of an image |
TWI384260B (zh) * | 2006-06-30 | 2013-02-01 | Ubright Optronics Corp | 具有瑕疵遮蔽結構之增亮光學基板 |
AU2007354904B2 (en) | 2007-06-14 | 2014-06-26 | Avery Dennison Corporation | Illuminated graphical and information display |
EP2390557A1 (en) * | 2010-05-31 | 2011-11-30 | Koninklijke Philips Electronics N.V. | Luminaire |
WO2012148928A2 (en) * | 2011-04-26 | 2012-11-01 | Inteled Corporation | Product lighting refrigeration door |
US8506153B2 (en) * | 2011-04-26 | 2013-08-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Light guide panel and back light module thereof |
US10436969B2 (en) * | 2013-01-30 | 2019-10-08 | Ideal Industries Lighting Llc | Optical waveguide and luminaire incorporating same |
GB2522400B (en) * | 2013-10-29 | 2020-06-10 | Calsonic Kansei Uk Ltd | A light conduit for an illumination apparatus |
CN106959486A (zh) * | 2016-01-08 | 2017-07-18 | 京东方科技集团股份有限公司 | 一种导光板、背光模组及液晶显示装置 |
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JPS5757402A (en) * | 1980-09-22 | 1982-04-06 | Toshiba Electric Equip | Illuminator |
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US5575549A (en) * | 1994-08-12 | 1996-11-19 | Enplas Corporation | Surface light source device |
AU694619B2 (en) * | 1995-03-03 | 1998-07-23 | Minnesota Mining And Manufacturing Company | Light directing film having variable height structured surface and light directing article constructed therefrom |
TW404532U (en) | 1995-11-10 | 2000-09-01 | Starlite Ind | Panel for surface light source device |
US5926601A (en) * | 1996-05-02 | 1999-07-20 | Briteview Technologies, Inc. | Stacked backlighting system using microprisms |
-
1996
- 1996-12-16 DE DE19652209A patent/DE19652209A1/de not_active Ceased
-
1997
- 1997-10-09 JP JP52715898A patent/JP4083231B2/ja not_active Expired - Fee Related
- 1997-10-09 WO PCT/DE1997/002307 patent/WO1998027382A1/de active IP Right Grant
- 1997-10-09 EP EP97947000A patent/EP0944799B1/de not_active Expired - Lifetime
- 1997-10-09 DE DE59705814T patent/DE59705814D1/de not_active Expired - Lifetime
- 1997-10-09 US US09/331,143 patent/US6330386B1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007273288A (ja) * | 2006-03-31 | 2007-10-18 | Nippon Leiz Co Ltd | 導光板および平面照明装置 |
Also Published As
Publication number | Publication date |
---|---|
DE19652209A1 (de) | 1998-06-18 |
WO1998027382A1 (de) | 1998-06-25 |
EP0944799B1 (de) | 2001-12-12 |
US6330386B1 (en) | 2001-12-11 |
JP4083231B2 (ja) | 2008-04-30 |
EP0944799A1 (de) | 1999-09-29 |
DE59705814D1 (de) | 2002-01-24 |
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