WO1998013709A1 - Illuminant et panneau afficheur l'utilisant - Google Patents
Illuminant et panneau afficheur l'utilisant Download PDFInfo
- Publication number
- WO1998013709A1 WO1998013709A1 PCT/JP1997/003388 JP9703388W WO9813709A1 WO 1998013709 A1 WO1998013709 A1 WO 1998013709A1 JP 9703388 W JP9703388 W JP 9703388W WO 9813709 A1 WO9813709 A1 WO 9813709A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- guide plate
- lighting device
- light guide
- liquid crystal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
-
- 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
- G02B6/004—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
- G02B6/0013—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
- G02B6/0018—Redirecting means 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
- G02B6/0013—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
- G02B6/0058—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
- G02B6/0066—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
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
-
- 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
- G02F1/133616—Front illuminating devices
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51549198A JP4174687B2 (ja) | 1996-09-24 | 1997-09-24 | 照明装置及び液晶表示装置 |
DE69724411T DE69724411T3 (de) | 1996-09-24 | 1997-09-24 | Beleuchtungsvorrichtung und anzeige welche diese verwendet |
EP97941217A EP0878720B2 (en) | 1996-09-24 | 1997-09-24 | Illuminating device and display using the device |
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25209496 | 1996-09-24 | ||
JP8/252094 | 1996-09-24 | ||
JP30338996 | 1996-11-14 | ||
JP8/303389 | 1996-11-14 | ||
JP34222496 | 1996-12-20 | ||
JP8/342224 | 1996-12-20 | ||
JP35019996 | 1996-12-27 | ||
JP8/350199 | 1996-12-27 | ||
JP158697 | 1997-01-08 | ||
JP9/1586 | 1997-01-08 | ||
JP2386297 | 1997-02-06 | ||
JP9/23862 | 1997-02-06 | ||
JP9/63658 | 1997-03-17 | ||
JP6365897 | 1997-03-17 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09068931 A-371-Of-International | 1998-05-21 | ||
US10/431,541 Continuation US6742907B2 (en) | 1996-09-24 | 2003-05-08 | Illumination device and display device using it |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998013709A1 true WO1998013709A1 (fr) | 1998-04-02 |
Family
ID=27563147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/003388 WO1998013709A1 (fr) | 1996-09-24 | 1997-09-24 | Illuminant et panneau afficheur l'utilisant |
Country Status (6)
Country | Link |
---|---|
US (1) | US6742907B2 (ja) |
EP (2) | EP0878720B2 (ja) |
JP (2) | JP4174687B2 (ja) |
KR (1) | KR100498721B1 (ja) |
DE (2) | DE69724411T3 (ja) |
WO (1) | WO1998013709A1 (ja) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000011723A (ja) * | 1998-06-29 | 2000-01-14 | Minebea Co Ltd | 面状照明装置 |
JP2001296810A (ja) * | 2000-04-11 | 2001-10-26 | Sony Corp | フロントライト照明装置及び反射型ホログラムの製造方法 |
US6601984B2 (en) | 2001-02-14 | 2003-08-05 | Estec Co., Ltd. | LED illuminating device and lighting apparatus employing the same |
JP2003532270A (ja) * | 2000-05-04 | 2003-10-28 | 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 | 照明装置、光混合チャンバ及び表示装置 |
JP2008256641A (ja) * | 2007-04-09 | 2008-10-23 | Matsushita Electric Ind Co Ltd | 面導光円板、光学式エンコーダおよびテープフィーダ |
JP2012094540A (ja) * | 1999-02-23 | 2012-05-17 | Rambus Internatl Ltd | 発光パネルアセンブリ |
US8368845B2 (en) | 1998-09-03 | 2013-02-05 | Semiconductor Energy Laboratory Co., Ltd. | Electronic device with liquid crystal display |
JP2015184654A (ja) * | 2014-03-26 | 2015-10-22 | シチズンファインデバイス株式会社 | 反射型液晶表示装置 |
KR20180018883A (ko) * | 2016-08-09 | 2018-02-22 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 표시장치 |
CN107747695A (zh) * | 2017-11-20 | 2018-03-02 | 江苏铁锚玻璃股份有限公司 | 具有灯条的窗户结构 |
JP2020004530A (ja) * | 2018-06-26 | 2020-01-09 | パナソニックIpマネジメント株式会社 | 照明器具 |
CN115980909A (zh) * | 2023-03-22 | 2023-04-18 | 惠科股份有限公司 | 发光组件及显示装置 |
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US7108414B2 (en) | 1995-06-27 | 2006-09-19 | Solid State Opto Limited | Light emitting panel assemblies |
US7907319B2 (en) | 1995-11-06 | 2011-03-15 | Qualcomm Mems Technologies, Inc. | Method and device for modulating light with optical compensation |
US8928967B2 (en) | 1998-04-08 | 2015-01-06 | Qualcomm Mems Technologies, Inc. | Method and device for modulating light |
WO1999052006A2 (en) | 1998-04-08 | 1999-10-14 | Etalon, Inc. | Interferometric modulation of radiation |
DE19856007A1 (de) * | 1998-12-04 | 2000-06-21 | Bayer Ag | Anzeigevorrichtung mit Berührungssensor |
TW592308U (en) * | 1999-02-17 | 2004-06-11 | Enplas Corp | Light guiding plate, surface light source device, and liquid crystal display device |
JP3968907B2 (ja) | 1999-03-15 | 2007-08-29 | セイコーエプソン株式会社 | 照明装置、その照明装置をフロントライトとして備える電気光学装置及び電子機器 |
KR20010001951A (ko) | 1999-06-10 | 2001-01-05 | 구본준 | 보조광원 장치를 가진 반사형 액정표시장치 |
US6386721B1 (en) * | 1999-07-08 | 2002-05-14 | Physical Optics Corporation | Light pipe having one or more integral diffusers |
DE19961390A1 (de) * | 1999-12-20 | 2001-06-21 | Mannesmann Vdo Ag | Lichtleiter |
JP4288553B2 (ja) * | 2000-07-25 | 2009-07-01 | 富士フイルム株式会社 | カメラのストロボ装置 |
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 |
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Also Published As
Publication number | Publication date |
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EP1341009B1 (en) | 2006-04-19 |
EP0878720B1 (en) | 2003-08-27 |
DE69735732T2 (de) | 2006-09-21 |
JP4840492B2 (ja) | 2011-12-21 |
EP0878720A1 (en) | 1998-11-18 |
EP1341009A3 (en) | 2003-09-10 |
JP4174687B2 (ja) | 2008-11-05 |
EP0878720A4 (en) | 1999-04-28 |
DE69724411T2 (de) | 2004-06-09 |
EP0878720B2 (en) | 2011-06-22 |
US6742907B2 (en) | 2004-06-01 |
DE69735732D1 (de) | 2006-05-24 |
DE69724411T3 (de) | 2012-05-16 |
KR100498721B1 (ko) | 2005-11-28 |
EP1341009A2 (en) | 2003-09-03 |
KR19990071627A (ko) | 1999-09-27 |
JP2010050100A (ja) | 2010-03-04 |
US20030206408A1 (en) | 2003-11-06 |
DE69724411D1 (de) | 2003-10-02 |
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