TW200641478A - Optical film having a structured surface with concave pyramid-shaped structures - Google Patents

Optical film having a structured surface with concave pyramid-shaped structures

Info

Publication number
TW200641478A
TW200641478A TW094147305A TW94147305A TW200641478A TW 200641478 A TW200641478 A TW 200641478A TW 094147305 A TW094147305 A TW 094147305A TW 94147305 A TW94147305 A TW 94147305A TW 200641478 A TW200641478 A TW 200641478A
Authority
TW
Taiwan
Prior art keywords
structured surface
shaped structures
optical film
concave pyramid
optical
Prior art date
Application number
TW094147305A
Other languages
English (en)
Chinese (zh)
Inventor
Byung-Soo Ko
Leland Ray Whitney
Mark Edward Gardiner
Dong-Won Chae
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 TW200641478A publication Critical patent/TW200641478A/zh

Links

Classifications

    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • 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
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)
TW094147305A 2004-12-30 2005-12-29 Optical film having a structured surface with concave pyramid-shaped structures TW200641478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/026,872 US7320538B2 (en) 2004-12-30 2004-12-30 Optical film having a structured surface with concave pyramid-shaped structures

Publications (1)

Publication Number Publication Date
TW200641478A true TW200641478A (en) 2006-12-01

Family

ID=36102553

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094147305A TW200641478A (en) 2004-12-30 2005-12-29 Optical film having a structured surface with concave pyramid-shaped structures

Country Status (7)

Country Link
US (1) US7320538B2 (enExample)
EP (1) EP1831755A1 (enExample)
JP (1) JP2008527632A (enExample)
KR (1) KR20070090982A (enExample)
CN (1) CN101095077A (enExample)
TW (1) TW200641478A (enExample)
WO (1) WO2006073916A1 (enExample)

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TWI385444B (zh) * 2007-10-26 2013-02-11 Hon Hai Prec Ind Co Ltd 背光模組及其稜鏡片
TWI497121B (zh) * 2008-04-18 2015-08-21 Univ Nat Cheng Kung An optical modulation structure and a light source device including the optical modulation structure
US10962827B2 (en) 2018-11-29 2021-03-30 Au Optronics Corporation Back-light module

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US7416309B2 (en) * 2004-12-30 2008-08-26 3M Innovative Properties Company Optical film having a surface with rounded structures
US7320538B2 (en) 2004-12-30 2008-01-22 3M Innovative Properties Company Optical film having a structured surface with concave pyramid-shaped structures
US7220026B2 (en) * 2004-12-30 2007-05-22 3M Innovative Properties Company Optical film having a structured surface with offset prismatic structures
US20060250707A1 (en) * 2005-05-05 2006-11-09 3M Innovative Properties Company Optical film having a surface with rounded pyramidal structures
US20060282399A1 (en) * 2005-05-09 2006-12-14 Richard Ackermann Digital sound recording personalized at a time and place remote from initial delivery to a retail customer
US20070024994A1 (en) * 2005-07-29 2007-02-01 3M Innovative Properties Company Structured optical film with interspersed pyramidal structures
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
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EP2255231A1 (en) * 2008-02-07 2010-12-01 3M Innovative Properties Company Hollow backlight with structured films
JPWO2009104793A1 (ja) * 2008-02-21 2011-06-23 シャープ株式会社 導光体、バックライトシステムおよび携帯端末
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US9664834B2 (en) * 2008-03-31 2017-05-30 3M Innovative Properties Company Optical film
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JP5709243B2 (ja) * 2010-07-23 2015-04-30 大成建設株式会社 反射材
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TWI497121B (zh) * 2008-04-18 2015-08-21 Univ Nat Cheng Kung An optical modulation structure and a light source device including the optical modulation structure
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US20060146566A1 (en) 2006-07-06
EP1831755A1 (en) 2007-09-12
WO2006073916A1 (en) 2006-07-13
CN101095077A (zh) 2007-12-26
JP2008527632A (ja) 2008-07-24
KR20070090982A (ko) 2007-09-06
US7320538B2 (en) 2008-01-22

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