WO2009016965A1 - 照明装置および液晶表示装置 - Google Patents
照明装置および液晶表示装置 Download PDFInfo
- Publication number
- WO2009016965A1 WO2009016965A1 PCT/JP2008/062826 JP2008062826W WO2009016965A1 WO 2009016965 A1 WO2009016965 A1 WO 2009016965A1 JP 2008062826 W JP2008062826 W JP 2008062826W WO 2009016965 A1 WO2009016965 A1 WO 2009016965A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light guide
- light emitting
- guide element
- guide elements
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
-
- 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
- G02B6/004—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
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
- G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping 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
- G02B6/0045—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
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/531,925 US8339539B2 (en) | 2007-07-27 | 2008-07-16 | Illumination device and liquid crystal display device |
CN200880015004A CN101675296A (zh) | 2007-07-27 | 2008-07-16 | 照明装置和液晶显示装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007196666 | 2007-07-27 | ||
JP2007-196666 | 2007-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009016965A1 true WO2009016965A1 (ja) | 2009-02-05 |
Family
ID=40304200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/062826 WO2009016965A1 (ja) | 2007-07-27 | 2008-07-16 | 照明装置および液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8339539B2 (ja) |
CN (2) | CN101675296A (ja) |
WO (1) | WO2009016965A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2226556A1 (en) * | 2009-03-02 | 2010-09-08 | Hitachi Consumer Electronics Co., Ltd. | Backlight device and video display apparatus using the same |
US20110267563A1 (en) * | 2009-02-17 | 2011-11-03 | Sharp Kabushiki Kaisha | Light guide, surface light source device, and liquid crystal display device |
JP2011222287A (ja) * | 2010-04-09 | 2011-11-04 | Hitachi Consumer Electronics Co Ltd | 映像表示装置及びこれに用いられるバックライト装置 |
JP2011228028A (ja) * | 2010-04-16 | 2011-11-10 | Hitachi Consumer Electronics Co Ltd | バックライトユニット及びそれを用いた映像表示装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7520860B2 (en) * | 2005-04-13 | 2009-04-21 | Marie G. Johnson | Detection of coronary artery disease using an electronic stethoscope |
US8092062B2 (en) * | 2007-08-29 | 2012-01-10 | Sharp Kabushiki Kaisha | Light-emitting element and display unit having the same |
US8684588B2 (en) * | 2008-06-04 | 2014-04-01 | Sharp Kabushiki Kaisha | Light guide elements for display device |
US8223296B2 (en) * | 2008-08-25 | 2012-07-17 | Lg Display Co. Ltd. | Backlight unit and liquid crystal display device having the same |
CN102762152A (zh) * | 2009-12-08 | 2012-10-31 | Aum心血管股份有限公司 | 心血管疾病的检测系统和方法 |
US9714756B2 (en) | 2013-03-15 | 2017-07-25 | Morgan Solar Inc. | Illumination device |
WO2014146104A1 (en) * | 2013-03-15 | 2014-09-18 | Morgan Solar Inc. | Illumination device |
CN105051454B (zh) | 2013-03-15 | 2019-06-18 | 摩根阳光公司 | 光板、具有改善界面的光学组件及具有改善的制造容差的光板 |
US9960303B2 (en) | 2013-03-15 | 2018-05-01 | Morgan Solar Inc. | Sunlight concentrating and harvesting device |
CN104834049A (zh) * | 2015-05-15 | 2015-08-12 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示装置 |
US20170090103A1 (en) * | 2015-09-25 | 2017-03-30 | Qualcomm Mems Technologies, Inc. | Illumination system with overlapping light guiding units |
DE102016124938B4 (de) * | 2016-12-20 | 2019-11-21 | Albrecht Jung Gmbh & Co. Kg | Gebäudetechnisches Installationsgerät |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002109934A (ja) * | 2000-10-04 | 2002-04-12 | Matsushita Electric Ind Co Ltd | 画像表示装置 |
JP2006108033A (ja) * | 2004-10-08 | 2006-04-20 | Mitsubishi Rayon Co Ltd | タンデム型面光源装置 |
JP2006190602A (ja) * | 2005-01-07 | 2006-07-20 | Sharp Corp | 背面照明装置および表示装置 |
JP2006286638A (ja) * | 2005-04-01 | 2006-10-19 | Avago Technologies General Ip (Singapore) Private Ltd | 複数の隣り合って重なり合う導光板を有する発光装置 |
JP2007115695A (ja) * | 2005-10-20 | 2007-05-10 | Ind Technol Res Inst | バックライト構造 |
JP2007165336A (ja) * | 2007-02-13 | 2007-06-28 | Sony Corp | バックライト駆動装置、表示装置 |
JP2007188876A (ja) * | 2005-11-04 | 2007-07-26 | Showa Denko Kk | 導光部材およびこの導光部材を用いた面光源装置、ならびに表示装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2830972B2 (ja) * | 1995-03-06 | 1998-12-02 | 株式会社日立製作所 | 液晶表示装置 |
JP3632208B2 (ja) * | 1995-11-06 | 2005-03-23 | セイコーエプソン株式会社 | 照明装置並びにそれらを用いた液晶表示装置及び電子機器 |
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 |
KR100788827B1 (ko) * | 2001-05-22 | 2007-12-27 | 니치아 카가쿠 고교 가부시키가이샤 | 면발광 장치의 도광판 |
CN1542466A (zh) * | 2003-05-01 | 2004-11-03 | 连营科技股份有限公司 | 导光板结构 |
EP1788302A4 (en) * | 2004-09-06 | 2011-08-24 | Fujifilm Corp | TRANSMITTANCE SETTING UNIT, PLAN LIGHTING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE USING THE DEVICE AND METHOD FOR PROVIDING TRANSMITTANCE SETTING SYSTEM |
JP4607648B2 (ja) | 2005-04-21 | 2011-01-05 | 富士フイルム株式会社 | 導光板、これを備える面状照明装置および液晶表示装置 |
-
2008
- 2008-07-16 US US12/531,925 patent/US8339539B2/en active Active
- 2008-07-16 WO PCT/JP2008/062826 patent/WO2009016965A1/ja active Application Filing
- 2008-07-16 CN CN200880015004A patent/CN101675296A/zh active Pending
- 2008-07-16 CN CN2012100179686A patent/CN102588887A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002109934A (ja) * | 2000-10-04 | 2002-04-12 | Matsushita Electric Ind Co Ltd | 画像表示装置 |
JP2006108033A (ja) * | 2004-10-08 | 2006-04-20 | Mitsubishi Rayon Co Ltd | タンデム型面光源装置 |
JP2006190602A (ja) * | 2005-01-07 | 2006-07-20 | Sharp Corp | 背面照明装置および表示装置 |
JP2006286638A (ja) * | 2005-04-01 | 2006-10-19 | Avago Technologies General Ip (Singapore) Private Ltd | 複数の隣り合って重なり合う導光板を有する発光装置 |
JP2007115695A (ja) * | 2005-10-20 | 2007-05-10 | Ind Technol Res Inst | バックライト構造 |
JP2007188876A (ja) * | 2005-11-04 | 2007-07-26 | Showa Denko Kk | 導光部材およびこの導光部材を用いた面光源装置、ならびに表示装置 |
JP2007165336A (ja) * | 2007-02-13 | 2007-06-28 | Sony Corp | バックライト駆動装置、表示装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110267563A1 (en) * | 2009-02-17 | 2011-11-03 | Sharp Kabushiki Kaisha | Light guide, surface light source device, and liquid crystal display device |
KR101333439B1 (ko) | 2009-02-17 | 2013-12-02 | 샤프 가부시키가이샤 | 도광체, 면 광원 장치 및 액정 표시 장치 |
EP2226556A1 (en) * | 2009-03-02 | 2010-09-08 | Hitachi Consumer Electronics Co., Ltd. | Backlight device and video display apparatus using the same |
CN101825247A (zh) * | 2009-03-02 | 2010-09-08 | 日立民用电子株式会社 | 背光灯装置及使用该背光灯装置的影像显示装置 |
JP2011222287A (ja) * | 2010-04-09 | 2011-11-04 | Hitachi Consumer Electronics Co Ltd | 映像表示装置及びこれに用いられるバックライト装置 |
EP2378325A3 (en) * | 2010-04-09 | 2012-08-29 | Hitachi Consumer Electronics Co., Ltd. | Image display apparatus and backlight apparatus used therefor |
US8514349B2 (en) | 2010-04-09 | 2013-08-20 | Hitachi Consumer Electronics Co., Ltd. | Image display apparatus and backlight apparatus used therefor |
JP2011228028A (ja) * | 2010-04-16 | 2011-11-10 | Hitachi Consumer Electronics Co Ltd | バックライトユニット及びそれを用いた映像表示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101675296A (zh) | 2010-03-17 |
US20100103349A1 (en) | 2010-04-29 |
US8339539B2 (en) | 2012-12-25 |
CN102588887A (zh) | 2012-07-18 |
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