JP4271719B2 - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
JP4271719B2
JP4271719B2 JP2007531018A JP2007531018A JP4271719B2 JP 4271719 B2 JP4271719 B2 JP 4271719B2 JP 2007531018 A JP2007531018 A JP 2007531018A JP 2007531018 A JP2007531018 A JP 2007531018A JP 4271719 B2 JP4271719 B2 JP 4271719B2
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JP
Japan
Prior art keywords
light
guide plate
light guide
inclined surface
illumination 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.)
Active
Application number
JP2007531018A
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English (en)
Japanese (ja)
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JPWO2007020966A1 (ja
Inventor
修 岩崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Corp
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Fujifilm Corp
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Publication of JPWO2007020966A1 publication Critical patent/JPWO2007020966A1/ja
Application granted granted Critical
Publication of JP4271719B2 publication Critical patent/JP4271719B2/ja
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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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • 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
    • G02B6/0005—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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • 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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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)
JP2007531018A 2005-08-17 2006-08-17 面状照明装置 Active JP4271719B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2005236594 2005-08-17
JP2005236594 2005-08-17
JP2006014143 2006-01-23
JP2006014143 2006-01-23
JP2006170684 2006-06-20
JP2006170684 2006-06-20
JP2006184562 2006-07-04
JP2006184562 2006-07-04
PCT/JP2006/316151 WO2007020966A1 (ja) 2005-08-17 2006-08-17 面状照明装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008270116A Division JP4906831B2 (ja) 2005-08-17 2008-10-20 面状照明装置

Publications (2)

Publication Number Publication Date
JPWO2007020966A1 JPWO2007020966A1 (ja) 2009-02-26
JP4271719B2 true JP4271719B2 (ja) 2009-06-03

Family

ID=37757623

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2007531018A Active JP4271719B2 (ja) 2005-08-17 2006-08-17 面状照明装置
JP2008270116A Expired - Fee Related JP4906831B2 (ja) 2005-08-17 2008-10-20 面状照明装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2008270116A Expired - Fee Related JP4906831B2 (ja) 2005-08-17 2008-10-20 面状照明装置

Country Status (4)

Country Link
US (1) US7826703B2 (enExample)
EP (1) EP1939522A4 (enExample)
JP (2) JP4271719B2 (enExample)
WO (1) WO2007020966A1 (enExample)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4951286B2 (ja) * 2006-07-21 2012-06-13 富士フイルム株式会社 単位導光板、導光板ユニットおよび面状照明装置
US8251562B2 (en) 2006-07-21 2012-08-28 Fujifilm Corporation Unitary light guide plate, light guide plate unit, planar lighting device and liquid crystal display device
JP2008027756A (ja) * 2006-07-21 2008-02-07 Fujifilm Corp 導光板、これを用いる面状照明装置および液晶表示装置
CN101578480A (zh) * 2007-04-26 2009-11-11 夏普株式会社 发光元件和液晶显示装置
US20100182539A1 (en) * 2007-06-06 2010-07-22 Chiaki Ohyama Backlight unit and liquid crystal display
JP4902431B2 (ja) * 2007-06-07 2012-03-21 富士フイルム株式会社 面状照明装置
JP4874875B2 (ja) * 2007-06-07 2012-02-15 富士フイルム株式会社 面状照明装置
JP5403938B2 (ja) * 2007-06-25 2014-01-29 富士フイルム株式会社 面状照明装置
JP5601556B2 (ja) * 2007-06-29 2014-10-08 東芝ライテック株式会社 照明装置および照明器具
JP5022118B2 (ja) * 2007-07-02 2012-09-12 第四電設 株式会社 面状発光装置
US8246233B2 (en) * 2007-08-08 2012-08-21 Koninklijke Philips Electronics N.V. Illumination system for illuminating a display device, and display device
JP4762217B2 (ja) * 2007-09-28 2011-08-31 富士フイルム株式会社 導光板、導光板ユニットおよび面状照明装置
JP4856037B2 (ja) * 2007-09-28 2012-01-18 富士フイルム株式会社 面状照明装置
JP4926905B2 (ja) 2007-09-28 2012-05-09 富士フイルム株式会社 面状照明装置
JP4909866B2 (ja) * 2007-10-10 2012-04-04 富士フイルム株式会社 面状照明装置
JP5414224B2 (ja) * 2007-10-19 2014-02-12 富士フイルム株式会社 面状照明装置
JP5225015B2 (ja) 2007-10-19 2013-07-03 富士フイルム株式会社 導光板
DE102007058360B3 (de) * 2007-12-03 2009-04-30 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung einer erhabenen Markierung auf einem Glasgegenstand
JP2009277641A (ja) * 2007-12-27 2009-11-26 Fujifilm Corp 面状照明装置
JP2009244861A (ja) * 2008-03-13 2009-10-22 Panasonic Corp 画像表示装置
JP4906771B2 (ja) * 2008-03-31 2012-03-28 富士フイルム株式会社 面状照明装置及びそれを用いる液晶表示装置
CN101603655A (zh) * 2008-05-04 2009-12-16 李丰 一种用于显示设备的发光器件
JP5134685B2 (ja) * 2008-06-26 2013-01-30 日本メクトロン株式会社 導光板及び、導光板の製造方法
WO2010022540A1 (zh) * 2008-08-26 2010-03-04 Pan Dingguo 反光片及包含它的片灯、片灯具
JP2010092685A (ja) * 2008-10-07 2010-04-22 Fujifilm Corp 導光板およびこれを備えた面状照明装置
JP2010092683A (ja) * 2008-10-07 2010-04-22 Fujifilm Corp 導光板およびこれを備えた面状照明装置
WO2010083341A2 (en) * 2009-01-14 2010-07-22 Abl Ip Holding, Llc Luminaire having floating luminous light source
JP2010171611A (ja) * 2009-01-21 2010-08-05 Sharp Corp 照明装置、画像読取装置及び画像形成装置
JP5314444B2 (ja) * 2009-02-02 2013-10-16 株式会社エンプラス 面光源装置及びそれを用いた表示装置
KR20100090914A (ko) * 2009-02-09 2010-08-18 삼성모바일디스플레이주식회사 도광필름 및 이를 구비한 백라이트 유닛
JP5413272B2 (ja) * 2009-05-28 2014-02-12 豊田合成株式会社 車両用ルームランプ
JP2010282908A (ja) * 2009-06-08 2010-12-16 Hayashi Telempu Co Ltd 照明装置
US8138687B2 (en) * 2009-06-30 2012-03-20 Apple Inc. Multicolor lighting system
JP5375424B2 (ja) * 2009-08-10 2013-12-25 東芝ライテック株式会社 発光装置及びその製造方法、灯具、並びに灯具システム
US8956034B1 (en) * 2009-08-27 2015-02-17 Rockwell Collins, Inc. System and method for providing a tailored angular distribution of light from a display
CN102033410B (zh) * 2009-09-30 2013-11-20 鸿富锦精密工业（深圳）有限公司 拍摄系统
JP5401247B2 (ja) * 2009-10-02 2014-01-29 日立コンシューマエレクトロニクス株式会社 バックライトユニットおよびそれを用いた映像表示装置
JP2011082037A (ja) * 2009-10-07 2011-04-21 Sharp Corp 光源モジュールおよびそれを備えた電子機器
JP5283005B2 (ja) * 2010-06-15 2013-09-04 シーシーエス株式会社 照明装置
JP5442865B2 (ja) * 2010-06-28 2014-03-12 パナソニック液晶ディスプレイ株式会社 液晶表示装置およびテレビ受像機
WO2012050121A1 (ja) * 2010-10-15 2012-04-19 シャープ株式会社 バックライトユニット
TW201215965A (en) * 2010-10-15 2012-04-16 Au Optronics Corp Edge lighting back light module
DE102011003569B4 (de) * 2011-02-03 2013-03-21 Leica Microsystems (Schweiz) Ag Flächenlichtquelle für eine Durchlichtbeleuchtungseinrichtung eines Mikroskops
US9093003B2 (en) * 2011-10-11 2015-07-28 Corning Incorporated Manipulation of color illumination using light diffusing fiber
KR20130051168A (ko) * 2011-11-09 2013-05-20 삼성전자주식회사 액정패널조립체 및 그를 구비한 영상표시장치
JP2013161626A (ja) * 2012-02-03 2013-08-19 Harison Toshiba Lighting Corp 帯状照明装置
JP5553077B2 (ja) * 2012-03-15 2014-07-16 オムロン株式会社 面光源装置
CN104641170B (zh) * 2012-06-05 2017-10-27 阿科玛法国公司 光学反射膜
US10174906B2 (en) 2012-06-18 2019-01-08 Fresnel Technologies Inc. LED luminaire tiling with a lens array containing a plurality of lenslets
JP6043134B2 (ja) * 2012-09-20 2016-12-14 武藤工業株式会社 面発光照明装置の色温度の調整方法
US9921363B2 (en) * 2012-09-28 2018-03-20 Sharp Kabushiki Kaisha Illumination device and display device
EP3757447B1 (en) 2012-12-17 2023-07-26 LG Innotek Co., Ltd. Blind spot detection module
KR102147939B1 (ko) 2013-12-27 2020-08-25 엘지이노텍 주식회사 조명 장치
JP6408129B2 (ja) * 2015-03-16 2018-10-17 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US20170010407A1 (en) * 2015-07-09 2017-01-12 Apple Inc. Displays With Multimode Backlight Units
CN105044816A (zh) * 2015-08-19 2015-11-11 广州创维平面显示科技有限公司 一种新型导光板及其制作方法
KR101915110B1 (ko) * 2015-12-29 2018-11-05 도레이케미칼 주식회사 복합 반사편광 필름의 제조방법
US10551550B2 (en) * 2016-09-12 2020-02-04 Japan Display Inc. Illumination device and display device
US10288797B1 (en) * 2016-10-24 2019-05-14 Amazon Technologies, Inc. Structural alignment features for light emitting diode arrays
US10120111B2 (en) * 2016-12-14 2018-11-06 Google Llc Thin ceramic imaging screen for camera systems
CN107102397A (zh) * 2017-05-19 2017-08-29 武汉华星光电技术有限公司 侧入式导光板和背光模组
GB2578854B (en) 2017-08-01 2023-02-15 Technical Consumer Products Inc Edge-lit light fixture having capabilities for a secondary service
DE102018005048B4 (de) * 2018-06-25 2023-11-30 Mercedes-Benz Group AG Fahrzeug, umfassend zumindest eine Beleuchtungsanordnung
KR102840171B1 (ko) * 2018-11-28 2025-07-31 삼성전자주식회사 디스플레이 장치
KR102857590B1 (ko) * 2019-09-17 2025-09-10 삼성디스플레이 주식회사 표시 장치 및 그것의 제조 방법
KR102217600B1 (ko) * 2019-10-17 2021-02-19 현대모비스 주식회사 라이트가이드 장치 및 이의 순차적 점등방법
WO2022113862A1 (ja) * 2020-11-24 2022-06-02 日東電工株式会社 照明装置
JP7704492B2 (ja) * 2020-11-24 2025-07-08 日東電工株式会社 照明装置
KR102674737B1 (ko) * 2022-02-23 2024-06-12 황정혜 다양한 색상 연출이 용이한 조명장치
WO2023186916A1 (en) * 2022-04-01 2023-10-05 Signify Holding B.V. Laser lighting system comprising optical fiber

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02208631A (ja) 1989-02-08 1990-08-20 Copal Co Ltd 液晶表示素子照明用面発光体装置
JPH06102414A (ja) 1991-06-27 1994-04-15 Nitsusen Kagaku Kk 面照明用導光板及び面型照明体
JP2575707Y2 (ja) 1991-07-04 1998-07-02 ハリソン電機株式会社 液晶表示装置用バックライトユニット
CA2097080A1 (en) * 1991-09-27 1993-03-28 Yasuhiro Koike Light scattering light guide, manufacturing method thereof, and applied optical apparatuses
JPH05249319A (ja) 1991-09-27 1993-09-28 Yasuhiro Koike 散乱・光伝送体
JP3256625B2 (ja) 1994-05-18 2002-02-12 三菱電機株式会社 液晶表示装置
JPH0894851A (ja) 1994-09-22 1996-04-12 Nippon Chemitec Kk 導光板とその面型照明体
JPH0943602A (ja) * 1995-07-26 1997-02-14 Hitachi Ltd 表示装置
JPH09293406A (ja) 1996-04-26 1997-11-11 Hayashi Telempu Co Ltd 偏光性面光源装置
JP3043996B2 (ja) * 1996-12-25 2000-05-22 株式会社明拓システム バックライトユニットの輝度均一化装置
JP3860298B2 (ja) * 1997-07-17 2006-12-20 大日本印刷株式会社 光学シート、面光源装置及び透過型表示装置
JP3373427B2 (ja) 1998-03-31 2003-02-04 日東樹脂工業株式会社 タンデム型面光源装置
JP2001210121A (ja) * 2000-01-27 2001-08-03 Yuka Denshi Kk 面光源装置及びこれを用いた液晶ディスプレイ装置
KR100318744B1 (ko) * 2000-02-21 2001-12-28 윤종용 광파이버를 이용한 액정 디스플레이어의 후방 조명장치
JP2001312916A (ja) 2000-02-24 2001-11-09 Sony Corp 面光源装置
JP2001266626A (ja) 2000-03-22 2001-09-28 Mitsubishi Rayon Co Ltd 光源装置
JP2001281655A (ja) 2000-03-29 2001-10-10 Matsushita Electric Ind Co Ltd 照明装置、およびこの照明装置を備えたビューファインダ
JP2001345007A (ja) 2000-05-31 2001-12-14 Matsushita Electric Ind Co Ltd 照明装置
KR100783607B1 (ko) 2000-06-23 2007-12-07 삼성전자주식회사 액정표시장치용 백라이트 유니트
JP2002133932A (ja) 2000-10-20 2002-05-10 Casio Comput Co Ltd 光源素子
JP3801032B2 (ja) 2001-11-29 2006-07-26 日本電気株式会社 光源とこの光源を用いた液晶表示装置
EP1493050B1 (en) * 2002-03-28 2011-10-05 Koninklijke Philips Electronics N.V. Compact lighting system and display device
JP3955505B2 (ja) 2002-07-08 2007-08-08 日本ライツ株式会社 導光板
JP2004101763A (ja) * 2002-09-06 2004-04-02 Fuji Photo Film Co Ltd 導光体およびその製造方法
JP4317354B2 (ja) 2002-10-25 2009-08-19 シャープ株式会社 光源装置及びそれを備えた表示装置
JP2004171948A (ja) 2002-11-20 2004-06-17 Harison Toshiba Lighting Corp バックライト装置
KR100819305B1 (ko) * 2003-01-14 2008-04-02 삼성전자주식회사 상분리를 이용한 발산형 플라스틱 광섬유 및 이를 이용한액정표시장치용 백라이트 유닛
JP2004226584A (ja) * 2003-01-22 2004-08-12 Fuji Xerox Co Ltd 光信号伝送装置、及び信号処理装置
JP2004241237A (ja) 2003-02-05 2004-08-26 Sharp Corp 面状照明装置およびこれを使用した液晶表示装置
JP4029743B2 (ja) 2003-02-24 2008-01-09 ソニー株式会社 バックライト
JP4085379B2 (ja) * 2003-03-28 2008-05-14 ミネベア株式会社 面状照明装置
JP4153441B2 (ja) 2004-01-28 2008-09-24 富士フイルム株式会社 シート状導光体およびそれを用いた通信システム

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JPWO2007020966A1 (ja) 2009-02-26
JP4906831B2 (ja) 2012-03-28
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EP1939522A1 (en) 2008-07-02
US7826703B2 (en) 2010-11-02
EP1939522A4 (en) 2013-04-03
WO2007020966A1 (ja) 2007-02-22

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