JP2005500651A - バックライト式ディスプレイと共に使用される導光板 - Google Patents

バックライト式ディスプレイと共に使用される導光板 Download PDF

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Publication number
JP2005500651A
JP2005500651A JP2003521047A JP2003521047A JP2005500651A JP 2005500651 A JP2005500651 A JP 2005500651A JP 2003521047 A JP2003521047 A JP 2003521047A JP 2003521047 A JP2003521047 A JP 2003521047A JP 2005500651 A JP2005500651 A JP 2005500651A
Authority
JP
Japan
Prior art keywords
light
guide plate
light guide
surface portion
prism
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.)
Ceased
Application number
JP2003521047A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005500651A5 (enExample
Inventor
アール． ホイットニー，レランド
ティー． ボイド，ゲーリー
エム． コッチック，キース
エー． エプスタイン，ケネス
ジュニア コブ，サンフォード
イー． ワトソン，フィリップ
ジェイ． ラム，デイビッド
イー． ガーディナー，マーク
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 JP2005500651A publication Critical patent/JP2005500651A/ja
Publication of JP2005500651A5 publication Critical patent/JP2005500651A5/ja
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02B6/0045—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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2003521047A 2001-08-15 2002-06-20 バックライト式ディスプレイと共に使用される導光板 Ceased JP2005500651A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/930,371 US6576887B2 (en) 2001-08-15 2001-08-15 Light guide for use with backlit display
PCT/US2002/019615 WO2003016784A1 (en) 2001-08-15 2002-06-20 Light guide for use with backlit display

Publications (2)

Publication Number Publication Date
JP2005500651A true JP2005500651A (ja) 2005-01-06
JP2005500651A5 JP2005500651A5 (enExample) 2006-01-05

Family

ID=25459271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003521047A Ceased JP2005500651A (ja) 2001-08-15 2002-06-20 バックライト式ディスプレイと共に使用される導光板

Country Status (8)

Country Link
US (1) US6576887B2 (enExample)
EP (1) EP1417438A1 (enExample)
JP (1) JP2005500651A (enExample)
KR (1) KR20040030110A (enExample)
CN (1) CN1555472A (enExample)
CA (1) CA2457664C (enExample)
TW (1) TW581891B (enExample)
WO (1) WO2003016784A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010238674A (ja) * 2010-06-21 2010-10-21 Toppan Printing Co Ltd レンズシート、ディスプレイ用光学シート及びそれを用いたバックライトユニット、エッジライト方式の導光板、ディスプレイ装置
JP2010256853A (ja) * 2009-03-31 2010-11-11 Dainippon Printing Co Ltd 光学シート、光学部材、面光源装置、透過型表示装置および発光装置
JP5486504B2 (ja) * 2008-10-22 2014-05-07 株式会社クラレ 面光源素子およびこれを備えた画像表示装置
WO2018164108A1 (ja) * 2017-03-06 2018-09-13 株式会社クラレ 導光装置

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