DE69905427D1 - Ausgedehnte Beleuchtungseinrichtung - Google Patents
Ausgedehnte BeleuchtungseinrichtungInfo
- Publication number
- DE69905427D1 DE69905427D1 DE69905427T DE69905427T DE69905427D1 DE 69905427 D1 DE69905427 D1 DE 69905427D1 DE 69905427 T DE69905427 T DE 69905427T DE 69905427 T DE69905427 T DE 69905427T DE 69905427 D1 DE69905427 D1 DE 69905427D1
- Authority
- DE
- Germany
- Prior art keywords
- lighting device
- extended lighting
- extended
- lighting
- 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.)
- Expired - Fee Related
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
- G02B6/0013—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
- G02B6/0035—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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
- G02B6/0058—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18207698A JP3379043B2 (ja) | 1998-06-29 | 1998-06-29 | 面状照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69905427D1 true DE69905427D1 (de) | 2003-03-27 |
DE69905427T2 DE69905427T2 (de) | 2003-07-17 |
Family
ID=16111938
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69905427T Expired - Fee Related DE69905427T2 (de) | 1998-06-29 | 1999-06-29 | Ausgedehnte Beleuchtungseinrichtung |
DE69917499T Expired - Fee Related DE69917499T2 (de) | 1998-06-29 | 1999-06-29 | Ausgedehnte Beleuchtungseinrichtung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69917499T Expired - Fee Related DE69917499T2 (de) | 1998-06-29 | 1999-06-29 | Ausgedehnte Beleuchtungseinrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6286970B1 (de) |
EP (2) | EP1265096B1 (de) |
JP (1) | JP3379043B2 (de) |
DE (2) | DE69905427T2 (de) |
Families Citing this family (113)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1698918A1 (de) * | 1998-11-27 | 2006-09-06 | Sharp Kabushiki Kaisha | Illuminator,Beleuchtungsvorrichtung,Frontlicht und Flüssigkristallanzeige |
DE19858810A1 (de) | 1998-12-21 | 2000-06-29 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Flache Beleuchtungsvorrichtung und Betriebsverfahren |
US6386721B1 (en) * | 1999-07-08 | 2002-05-14 | Physical Optics Corporation | Light pipe having one or more integral diffusers |
JP4231607B2 (ja) * | 1999-12-13 | 2009-03-04 | 日東電工株式会社 | 面光源装置及び液晶表示装置 |
JP2001184926A (ja) * | 1999-12-28 | 2001-07-06 | Minebea Co Ltd | 面状照明装置 |
JP4404424B2 (ja) * | 2000-01-21 | 2010-01-27 | シチズン電子株式会社 | 線状光源ユニット |
DE10004973A1 (de) * | 2000-02-04 | 2001-08-09 | Bosch Gmbh Robert | Vorrichtung zur Beleuchtung einer flächigen Anzeige |
JP3829270B2 (ja) * | 2000-02-08 | 2006-10-04 | ミネベア株式会社 | 面状照明装置 |
JP3956082B2 (ja) * | 2000-02-08 | 2007-08-08 | ミネベア株式会社 | 面状照明装置 |
JP2001250413A (ja) * | 2000-03-07 | 2001-09-14 | Pioneer Electronic Corp | 光源装置 |
JP2001283622A (ja) * | 2000-03-29 | 2001-10-12 | Matsushita Electric Ind Co Ltd | 照明装置及び反射型液晶表示装置 |
JP2001281457A (ja) * | 2000-03-30 | 2001-10-10 | Stanley Electric Co Ltd | 導光棒 |
JP3456976B2 (ja) * | 2000-03-31 | 2003-10-14 | 三菱電機株式会社 | フロントライト、反射型液晶表示装置および携帯情報端末 |
JP3301752B2 (ja) * | 2000-03-31 | 2002-07-15 | 三菱電機株式会社 | フロントライト、反射型液晶表示装置および携帯情報端末 |
US6789910B2 (en) | 2000-04-12 | 2004-09-14 | Semiconductor Energy Laboratory, Co., Ltd. | Illumination apparatus |
JP2001319515A (ja) * | 2000-05-11 | 2001-11-16 | Sanyo Electric Co Ltd | 照明装置及び表示装置 |
JP2001351423A (ja) * | 2000-06-07 | 2001-12-21 | Minebea Co Ltd | 面状照明装置 |
JP3932407B2 (ja) * | 2000-07-03 | 2007-06-20 | ミネベア株式会社 | 面状照明装置 |
JP3773818B2 (ja) * | 2000-07-19 | 2006-05-10 | 三洋電機株式会社 | 棒状導光体及びそれを用いた線状照明装置並びにこの線状照明装置を用いた面状照明装置 |
JP4553218B2 (ja) * | 2000-07-27 | 2010-09-29 | 康博 小池 | 面光源装置 |
JP2002075037A (ja) | 2000-09-05 | 2002-03-15 | Minebea Co Ltd | 面状照明装置 |
JP3561685B2 (ja) * | 2000-09-20 | 2004-09-02 | 三洋電機株式会社 | 線状光源装置及びそれを用いた照明装置 |
JP2002100224A (ja) * | 2000-09-22 | 2002-04-05 | Shimada Precision Kk | 点−線光源変換導光体 |
JP2002109938A (ja) * | 2000-09-29 | 2002-04-12 | Sanyo Electric Co Ltd | 照明装置及び表示装置 |
JP2002109937A (ja) * | 2000-09-29 | 2002-04-12 | Sanyo Electric Co Ltd | 面照明装置および表示装置 |
US6592233B1 (en) * | 2000-10-03 | 2003-07-15 | Nokia Mobile Phones Ltd. | Lighting device for non-emissive displays |
JP2002184228A (ja) * | 2000-10-05 | 2002-06-28 | Minebea Co Ltd | 面状照明装置 |
GB0024945D0 (en) * | 2000-10-11 | 2000-11-29 | Screen Technology Ltd | Beam expansion |
JP2002133937A (ja) * | 2000-10-23 | 2002-05-10 | Alps Electric Co Ltd | 照明装置およびこの照明装置を用いた液晶表示装置 |
TW557373B (en) * | 2000-10-25 | 2003-10-11 | Lumileds Lighting Bv | Illumination system and display device |
JP2007011400A (ja) * | 2000-11-29 | 2007-01-18 | Yamaha Corp | 電子楽器 |
JP3728723B2 (ja) * | 2000-12-20 | 2005-12-21 | ミネベア株式会社 | 面状照明装置 |
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 |
JP3944816B2 (ja) * | 2001-01-31 | 2007-07-18 | ミネベア株式会社 | 面状照明装置 |
JP3418831B2 (ja) * | 2001-02-16 | 2003-06-23 | ミネベア株式会社 | 面状照明装置 |
JP3713596B2 (ja) * | 2001-03-26 | 2005-11-09 | ミネベア株式会社 | 面状照明装置 |
JP2002298628A (ja) | 2001-03-30 | 2002-10-11 | Minebea Co Ltd | 面状照明装置 |
US6561660B2 (en) * | 2001-06-26 | 2003-05-13 | Wintek Corporation | Light guiding device of a liquid crystal display |
JP2003031017A (ja) | 2001-07-13 | 2003-01-31 | Minebea Co Ltd | 面状照明装置 |
US7263268B2 (en) * | 2001-07-23 | 2007-08-28 | Ben-Zion Inditsky | Ultra thin radiation management and distribution systems with hybrid optical waveguide |
JP4552082B2 (ja) | 2001-07-24 | 2010-09-29 | ミネベア株式会社 | 面状照明装置 |
JP4671562B2 (ja) | 2001-08-31 | 2011-04-20 | 富士通株式会社 | 照明装置及び液晶表示装置 |
JP2003086015A (ja) * | 2001-09-07 | 2003-03-20 | Nippon Leiz Co Ltd | 導光体および平面照明装置 |
JP4000444B2 (ja) * | 2001-09-21 | 2007-10-31 | ミネベア株式会社 | 面状照明装置 |
US6799860B2 (en) * | 2001-10-01 | 2004-10-05 | Rohm Co., Ltd. | Point light source-oriented light guiding means and lighting unit utilizing the same |
JP2003115209A (ja) * | 2001-10-04 | 2003-04-18 | Sanyo Electric Co Ltd | 線状導光体を用いた線状照明装置並びに面状照明装置 |
JP4001736B2 (ja) * | 2001-10-23 | 2007-10-31 | アルプス電気株式会社 | 面発光装置及び液晶表示装置 |
TWI282936B (en) * | 2001-11-09 | 2007-06-21 | Minebea Co Ltd | Touch panel assembly |
JP2003151333A (ja) * | 2001-11-09 | 2003-05-23 | Fujitsu Kasei Kk | 面照明装置と液晶表示装置 |
JP2003151335A (ja) * | 2001-11-13 | 2003-05-23 | Minebea Co Ltd | 面状照明装置 |
JP2003151331A (ja) | 2001-11-15 | 2003-05-23 | Minebea Co Ltd | 面状照明装置 |
JP2003162915A (ja) * | 2001-11-28 | 2003-06-06 | Alps Electric Co Ltd | 面発光体および液晶表示装置 |
JP3551177B2 (ja) | 2001-11-30 | 2004-08-04 | 株式会社豊田自動織機 | フロントライト用導光板 |
US7253853B2 (en) * | 2001-12-04 | 2007-08-07 | Rohm Co., Ltd. | Liquid crystal display and lighting unit having parabolic surface |
JP2003242818A (ja) * | 2002-02-13 | 2003-08-29 | Alps Electric Co Ltd | 面発光装置及び液晶表示装置 |
JP4317458B2 (ja) * | 2002-03-05 | 2009-08-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 拡散均一照明と指向性スポット照明とを組み合わせた照明装置 |
KR100501306B1 (ko) * | 2002-04-01 | 2005-07-18 | (주) 휴네텍 | 도광판 제조방법 및 제조장치와 이를 위한 도광판 제조용입자분사장치 |
JP2003346529A (ja) * | 2002-05-27 | 2003-12-05 | Fujitsu Kasei Kk | 面照明装置と液晶表示装置 |
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JP2004271871A (ja) * | 2003-03-07 | 2004-09-30 | Enplas Corp | 導光板,面光源装置及び液晶表示装置 |
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JP4247035B2 (ja) * | 2003-04-21 | 2009-04-02 | シチズン電子株式会社 | 面状光源 |
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JP5149200B2 (ja) | 2006-12-26 | 2013-02-20 | パナソニック株式会社 | 面状照明装置とそれを用いた液晶表示装置 |
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TWI629520B (zh) * | 2017-09-11 | 2018-07-11 | 柯俊民 | 指示/警示裝置 |
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US3619695A (en) * | 1968-03-09 | 1971-11-09 | Tokyo Shibaura Electric Co | Fog lamp |
US4870484A (en) | 1983-05-13 | 1989-09-26 | Seiko Epson Corporation | Color display device using light shutter and color filters |
JPH05134251A (ja) | 1991-02-27 | 1993-05-28 | Meitaku Syst:Kk | エツジライトパネルの面積比漸増乱反射パターン |
WO1996017207A1 (en) * | 1994-11-29 | 1996-06-06 | Precision Lamp, Inc. | Edge light for panel display |
JPH08201805A (ja) | 1995-01-31 | 1996-08-09 | Minolta Co Ltd | 液晶表示面の照明構造 |
JP3376508B2 (ja) | 1995-07-24 | 2003-02-10 | ミネベア株式会社 | 面状光源装置に用いられる基板の製造方法 |
TW404532U (en) * | 1995-11-10 | 2000-09-01 | Starlite Ind | Panel for surface light source device |
JPH09325221A (ja) * | 1996-04-04 | 1997-12-16 | Hitachi Cable Ltd | 照明装置 |
KR100498721B1 (ko) * | 1996-09-24 | 2005-11-28 | 세이코 엡슨 가부시키가이샤 | 조명장치 및 그 장치를 사용하는 표시기기 |
JPH10255532A (ja) | 1997-03-11 | 1998-09-25 | Chiaki Nishimura | 照明用光源 |
JPH10260405A (ja) * | 1997-03-18 | 1998-09-29 | Seiko Epson Corp | 照明装置、液晶表示装置及び電子機器 |
JP3549087B2 (ja) * | 1998-02-12 | 2004-08-04 | 株式会社エンプラス | 導光体、サイドライト型面光源装置及び液晶表示装置 |
JPH11271767A (ja) * | 1998-03-20 | 1999-10-08 | Stanley Electric Co Ltd | 照明付液晶表示装置 |
JP3122411B2 (ja) * | 1998-03-27 | 2001-01-09 | 株式会社スタンレー滋賀製作所 | エッジライトパネルの光源装置 |
-
1998
- 1998-06-29 JP JP18207698A patent/JP3379043B2/ja not_active Ceased
-
1999
- 1999-06-28 US US09/340,167 patent/US6286970B1/en not_active Expired - Lifetime
- 1999-06-29 DE DE69905427T patent/DE69905427T2/de not_active Expired - Fee Related
- 1999-06-29 EP EP02018011A patent/EP1265096B1/de not_active Expired - Lifetime
- 1999-06-29 DE DE69917499T patent/DE69917499T2/de not_active Expired - Fee Related
- 1999-06-29 EP EP99112376A patent/EP0969311B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6286970B1 (en) | 2001-09-11 |
EP0969311B1 (de) | 2003-02-19 |
DE69917499D1 (de) | 2004-06-24 |
JP2000011723A (ja) | 2000-01-14 |
EP1265096B1 (de) | 2004-05-19 |
DE69905427T2 (de) | 2003-07-17 |
DE69917499T2 (de) | 2004-09-16 |
JP3379043B2 (ja) | 2003-02-17 |
EP0969311A1 (de) | 2000-01-05 |
EP1265096A1 (de) | 2002-12-11 |
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Legal Events
Date | Code | Title | Description |
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8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |