JP2007516582A - 複数光導波路式バックライト - Google Patents

複数光導波路式バックライト Download PDF

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Publication number
JP2007516582A
JP2007516582A JP2006546976A JP2006546976A JP2007516582A JP 2007516582 A JP2007516582 A JP 2007516582A JP 2006546976 A JP2006546976 A JP 2006546976A JP 2006546976 A JP2006546976 A JP 2006546976A JP 2007516582 A JP2007516582 A JP 2007516582A
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JP
Japan
Prior art keywords
optical waveguide
backlight system
light
reuse
raising structure
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.)
Withdrawn
Application number
JP2006546976A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007516582A5 (enExample
Inventor
ジェイ． ラム，デイビッド
エム． コットチック，キース
ビー． オニール，マーク
エイチ． マルシン，パトリック
イー． ガーディナー，マーク
エー． エプスタイン，ケネス
イー． ワトソン，フィリップ
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2007516582A publication Critical patent/JP2007516582A/ja
Publication of JP2007516582A5 publication Critical patent/JP2007516582A5/ja
Withdrawn legal-status Critical Current

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    • 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
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • 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
    • 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
    • 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
    • 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

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  • 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)
JP2006546976A 2003-12-23 2004-10-20 複数光導波路式バックライト Withdrawn JP2007516582A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/744,569 US7303322B2 (en) 2003-12-23 2003-12-23 Multiple lightguide backlight
PCT/US2004/034546 WO2005069066A1 (en) 2003-12-23 2004-10-20 Multiple lightguide backlight

Publications (2)

Publication Number Publication Date
JP2007516582A true JP2007516582A (ja) 2007-06-21
JP2007516582A5 JP2007516582A5 (enExample) 2007-11-22

Family

ID=34678903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006546976A Withdrawn JP2007516582A (ja) 2003-12-23 2004-10-20 複数光導波路式バックライト

Country Status (7)

Country Link
US (1) US7303322B2 (enExample)
EP (1) EP1706783A1 (enExample)
JP (1) JP2007516582A (enExample)
KR (1) KR20060122902A (enExample)
CN (1) CN100465721C (enExample)
TW (1) TW200528870A (enExample)
WO (1) WO2005069066A1 (enExample)

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Also Published As

Publication number Publication date
CN1898594A (zh) 2007-01-17
CN100465721C (zh) 2009-03-04
EP1706783A1 (en) 2006-10-04
US7303322B2 (en) 2007-12-04
KR20060122902A (ko) 2006-11-30
WO2005069066A1 (en) 2005-07-28
US20050135115A1 (en) 2005-06-23
TW200528870A (en) 2005-09-01

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