TWI353460B - Light redirecting film having varying optical elem - Google Patents

Light redirecting film having varying optical elem Download PDF

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Publication number
TWI353460B
TWI353460B TW096132401A TW96132401A TWI353460B TW I353460 B TWI353460 B TW I353460B TW 096132401 A TW096132401 A TW 096132401A TW 96132401 A TW96132401 A TW 96132401A TW I353460 B TWI353460 B TW I353460B
Authority
TW
Taiwan
Prior art keywords
film
optical elements
optical
elements
light
Prior art date
Application number
TW096132401A
Other languages
English (en)
Chinese (zh)
Other versions
TW200817729A (en
Inventor
Randall H Wilson
Paul J Guiguizian
Robert P Bourdelais
Original Assignee
Rohm & Haas Denmark Finance As
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 Rohm & Haas Denmark Finance As filed Critical Rohm & Haas Denmark Finance As
Publication of TW200817729A publication Critical patent/TW200817729A/zh
Application granted granted Critical
Publication of TWI353460B publication Critical patent/TWI353460B/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives
    • G02B13/10—Anamorphotic objectives involving prisms
    • 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
    • G02B5/0221—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 an irregular structure
    • 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
    • G02B5/0231—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 microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
    • 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
    • G02B6/0051—Diffusing 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
    • G02B6/0033—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
    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • 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
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
TW096132401A 2006-08-31 2007-08-31 Light redirecting film having varying optical elem TWI353460B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/514,015 US7643218B2 (en) 2006-08-31 2006-08-31 Light redirecting film having varying optical elements

Publications (2)

Publication Number Publication Date
TW200817729A TW200817729A (en) 2008-04-16
TWI353460B true TWI353460B (en) 2011-12-01

Family

ID=38751359

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096132401A TWI353460B (en) 2006-08-31 2007-08-31 Light redirecting film having varying optical elem

Country Status (6)

Country Link
US (1) US7643218B2 (enExample)
EP (1) EP1895334A3 (enExample)
JP (1) JP2008077079A (enExample)
KR (1) KR20080020583A (enExample)
CN (1) CN101221322B (enExample)
TW (1) TWI353460B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7800301B2 (en) * 2004-09-06 2010-09-21 Fujifilm Corporation Organic electroluminescent device comprising a prism structure
US20090041553A1 (en) * 2007-08-06 2009-02-12 3M Innovative Properties Company Fly-cutting system and method, and related tooling and articles
US9180524B2 (en) 2007-08-06 2015-11-10 3M Innovative Properties Company Fly-cutting head, system and method, and tooling and sheeting produced therewith
CN101825736B (zh) * 2009-03-03 2013-07-24 北京京东方光电科技有限公司 增强棱镜膜
JP4873099B2 (ja) * 2009-03-31 2012-02-08 凸版印刷株式会社 Elパネル及びそれを用いた照明装置及び表示装置
TWI489179B (zh) * 2012-12-14 2015-06-21 Wistron Corp 製造導光板的方法、治具以及相關的導光板
US11589663B2 (en) * 2018-06-15 2023-02-28 Lg Chem, Ltd. Decoration member

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100398940B1 (ko) * 1995-03-03 2003-12-31 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 다양한높이의구조화면을갖는광지향성필름과이러한필름으로구성된물품
US5919551A (en) * 1996-04-12 1999-07-06 3M Innovative Properties Company Variable pitch structured optical film
CA2318790C (en) * 1998-02-18 2004-03-30 Minnesota Mining And Manufacturing Company Optical film
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
US7364341B2 (en) * 1999-02-23 2008-04-29 Solid State Opto Limited Light redirecting films including non-interlockable optical elements
US20050024849A1 (en) * 1999-02-23 2005-02-03 Parker Jeffery R. Methods of cutting or forming cavities in a substrate for use in making optical films, components or wave guides
JP3900975B2 (ja) * 2002-03-06 2007-04-04 オムロン株式会社 反射板、反射型表示装置および電子機器並びに光反射方法および画像表示方法
US6862141B2 (en) * 2002-05-20 2005-03-01 General Electric Company Optical substrate and method of making
KR100897745B1 (ko) * 2002-06-26 2009-05-15 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 직하형 액정 표시 장치
JP4019886B2 (ja) * 2002-09-30 2007-12-12 オムロン株式会社 光学フィルム、面光源装置及び液晶表示装置
US7074463B2 (en) * 2003-09-12 2006-07-11 3M Innovative Properties Company Durable optical element
JP2005114772A (ja) * 2003-10-02 2005-04-28 Alps Electric Co Ltd 反射体及びこれを用いた液晶表示装置
US7142767B2 (en) * 2003-12-31 2006-11-28 3M Innovative Properties Company Scratch-resistant light directing films
JP4432039B2 (ja) * 2004-04-30 2010-03-17 ミネベア株式会社 面状照明装置
TW200600919A (en) * 2004-06-22 2006-01-01 Samsung Electronics Co Ltd Optical film, backlight assembly and liquid crystal display device having the same
KR20060015174A (ko) * 2004-08-13 2006-02-16 삼성전자주식회사 프리즘 시트 및 이를 구비한 액정표시장치
JP4499519B2 (ja) * 2004-07-12 2010-07-07 大日本印刷株式会社 拡散シート、面光源装置、透過型表示装置
US7212345B2 (en) * 2004-09-13 2007-05-01 Eastman Kodak Company Randomized patterns of individual optical elements
EP1828854A4 (en) * 2004-11-04 2008-07-30 Solid State Opto Ltd LONG CURVED WEDGE OF AN OPTICAL FILM
JP4499540B2 (ja) * 2004-12-06 2010-07-07 大日本印刷株式会社 面光源装置、透過型表示装置
JP2008544303A (ja) * 2005-06-09 2008-12-04 ユーブライト オプトロニクス コーポレイション 不規則プリズム構造を有するモアレ減少用光学基板
CN1710478A (zh) * 2005-07-05 2005-12-21 友达光电股份有限公司 具有弯曲沟槽的导光板
CN100468089C (zh) * 2006-03-03 2009-03-11 鸿富锦精密工业(深圳)有限公司 棱镜片及采用该棱镜片的背光模组

Also Published As

Publication number Publication date
TW200817729A (en) 2008-04-16
EP1895334A3 (en) 2009-09-16
US20080055936A1 (en) 2008-03-06
CN101221322A (zh) 2008-07-16
KR20080020583A (ko) 2008-03-05
JP2008077079A (ja) 2008-04-03
US7643218B2 (en) 2010-01-05
CN101221322B (zh) 2011-12-28
EP1895334A2 (en) 2008-03-05

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MM4A Annulment or lapse of patent due to non-payment of fees