WO2008126520A1 - 光学シート及びその光学シートを用いた光源 - Google Patents

光学シート及びその光学シートを用いた光源 Download PDF

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Publication number
WO2008126520A1
WO2008126520A1 PCT/JP2008/053929 JP2008053929W WO2008126520A1 WO 2008126520 A1 WO2008126520 A1 WO 2008126520A1 JP 2008053929 W JP2008053929 W JP 2008053929W WO 2008126520 A1 WO2008126520 A1 WO 2008126520A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical sheet
base material
light source
front surface
rear surface
Prior art date
Application number
PCT/JP2008/053929
Other languages
English (en)
French (fr)
Inventor
Toshikatsu Shimazaki
Teruo Teshima
Masato Taya
Makoto Satou
Original Assignee
Hitachi Chemical Co., Ltd.
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 Hitachi Chemical Co., Ltd. filed Critical Hitachi Chemical Co., Ltd.
Priority to JP2009508974A priority Critical patent/JPWO2008126520A1/ja
Publication of WO2008126520A1 publication Critical patent/WO2008126520A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

　モアレを防止し、光学欠陥の発生のない良好な光学シートを提供する。液晶表示装置のバックライトユニット用光学シートにおいて、基材表面にプリズム構造、レンズ構造、レンチキュラー構造の少なくとも一種類を形成し、基材裏面に周期的な配列を有する形状を設ける光学シートであり、基材裏面形状の周期性が基材表面の周期性と同一周期である光学シート。
PCT/JP2008/053929 2007-04-03 2008-03-05 光学シート及びその光学シートを用いた光源 WO2008126520A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009508974A JPWO2008126520A1 (ja) 2007-04-03 2008-03-05 光学シート及びその光学シートを用いた光源

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-097326 2007-04-03
JP2007097326 2007-04-03
JP2007-203015 2007-08-03
JP2007203015 2007-08-03

Publications (1)

Publication Number Publication Date
WO2008126520A1 true WO2008126520A1 (ja) 2008-10-23

Family

ID=39863678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053929 WO2008126520A1 (ja) 2007-04-03 2008-03-05 光学シート及びその光学シートを用いた光源

Country Status (4)

Country Link
JP (1) JPWO2008126520A1 (ja)
KR (1) KR20100015325A (ja)
TW (1) TWI421545B (ja)
WO (1) WO2008126520A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI475257B (zh) * 2010-03-26 2015-03-01 Ubright Optronics Corp 具有光準直及擴散結構的光學基板
US9910239B2 (en) * 2010-11-30 2018-03-06 Flir Systems Trading Belgium Bvba Wafer level optical elements and applications thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004117743A (ja) * 2002-09-25 2004-04-15 Sharp Corp マイクロレンズアレイの製造方法および投影形液晶表示装置
JP2004246293A (ja) * 2003-02-17 2004-09-02 Mitsubishi Rayon Co Ltd レンチキュラーレンズシートおよびその製造方法
JP2006011117A (ja) * 2004-06-28 2006-01-12 Toppan Printing Co Ltd フレネルレンズ、透過型スクリーン及び背面投射型ディスプレイ装置
JP2006017973A (ja) * 2004-07-01 2006-01-19 Hitachi Ltd スクリーン及びそれに用いられるフレネルレンズシート、並びにそれを用いた画像表示装置
JP2006189600A (ja) * 2005-01-06 2006-07-20 Dainippon Printing Co Ltd レンチキュラーレンズシート、面光源装置、透過型表示装置
JP2006261088A (ja) * 2005-02-17 2006-09-28 Mitsubishi Electric Corp 導光体及びこれを用いた光源装置、液晶表示装置、導光体の製造方法
WO2006137459A1 (ja) * 2005-06-24 2006-12-28 Idemitsu Kosan Co., Ltd. 光拡散板及びそれを用いた照明装置
JP2007041172A (ja) * 2005-08-02 2007-02-15 Dainippon Printing Co Ltd 光制御シート、面光源装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3773865B2 (ja) * 2002-03-06 2006-05-10 三洋電機株式会社 導光板および表示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004117743A (ja) * 2002-09-25 2004-04-15 Sharp Corp マイクロレンズアレイの製造方法および投影形液晶表示装置
JP2004246293A (ja) * 2003-02-17 2004-09-02 Mitsubishi Rayon Co Ltd レンチキュラーレンズシートおよびその製造方法
JP2006011117A (ja) * 2004-06-28 2006-01-12 Toppan Printing Co Ltd フレネルレンズ、透過型スクリーン及び背面投射型ディスプレイ装置
JP2006017973A (ja) * 2004-07-01 2006-01-19 Hitachi Ltd スクリーン及びそれに用いられるフレネルレンズシート、並びにそれを用いた画像表示装置
JP2006189600A (ja) * 2005-01-06 2006-07-20 Dainippon Printing Co Ltd レンチキュラーレンズシート、面光源装置、透過型表示装置
JP2006261088A (ja) * 2005-02-17 2006-09-28 Mitsubishi Electric Corp 導光体及びこれを用いた光源装置、液晶表示装置、導光体の製造方法
WO2006137459A1 (ja) * 2005-06-24 2006-12-28 Idemitsu Kosan Co., Ltd. 光拡散板及びそれを用いた照明装置
JP2007041172A (ja) * 2005-08-02 2007-02-15 Dainippon Printing Co Ltd 光制御シート、面光源装置

Also Published As

Publication number Publication date
TW200848801A (en) 2008-12-16
KR20100015325A (ko) 2010-02-12
JPWO2008126520A1 (ja) 2010-07-22
TWI421545B (zh) 2014-01-01

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