TW200832015A - Back-lit displays with high illumination uniformity - Google Patents

Back-lit displays with high illumination uniformity Download PDF

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Publication number
TW200832015A
TW200832015A TW096143110A TW96143110A TW200832015A TW 200832015 A TW200832015 A TW 200832015A TW 096143110 A TW096143110 A TW 096143110A TW 96143110 A TW96143110 A TW 96143110A TW 200832015 A TW200832015 A TW 200832015A
Authority
TW
Taiwan
Prior art keywords
light
unit
layer
diffuser
elements
Prior art date
Application number
TW096143110A
Other languages
English (en)
Chinese (zh)
Inventor
Kenneth Alan Epstein
Kenneth Jason Hanley
James Allen Stevenson
Robert Milton Emmons
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 TW200832015A publication Critical patent/TW200832015A/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607Direct 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)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
TW096143110A 2006-11-15 2007-11-14 Back-lit displays with high illumination uniformity TW200832015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/560,234 US20080111947A1 (en) 2006-11-15 2006-11-15 Back-lit displays with high illumination uniformity

Publications (1)

Publication Number Publication Date
TW200832015A true TW200832015A (en) 2008-08-01

Family

ID=39185982

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096143110A TW200832015A (en) 2006-11-15 2007-11-14 Back-lit displays with high illumination uniformity

Country Status (7)

Country Link
US (1) US20080111947A1 (enExample)
JP (1) JP2010510544A (enExample)
KR (1) KR20090086552A (enExample)
CN (1) CN101535879B (enExample)
DE (1) DE112007002748T5 (enExample)
TW (1) TW200832015A (enExample)
WO (1) WO2008061054A2 (enExample)

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US20100302479A1 (en) * 1996-03-21 2010-12-02 Aronson Joseph T Optical article
KR20090085099A (ko) * 2006-11-15 2009-08-06 쓰리엠 이노베이티브 프로퍼티즈 컴파니 조명 균일도가 높은 백라이트형 디스플레이
TW200949369A (en) * 2008-02-15 2009-12-01 3M Innovative Properties Co Brightness enhancing film and film based diffuser for improved illumination uniformity of displays
EP2385904A1 (en) 2009-01-08 2011-11-16 3M Innovative Properties Company Dry erasable projection article and system
US9346998B2 (en) 2009-04-23 2016-05-24 The University Of Chicago Materials and methods for the preparation of nanocomposites
WO2011063236A1 (en) 2009-11-23 2011-05-26 3M Innovative Properties Company Front projection screen with high contrast
US8692761B2 (en) * 2011-04-27 2014-04-08 Stmicroelectronics, Inc. Apparatus and method for modeling the light field of a local-dimming LED backlight for an LCD display
CN103091741A (zh) * 2012-12-21 2013-05-08 张家港康得新光电材料有限公司 一种增光膜和使用该种增光膜的显示装置
CN104614864A (zh) * 2015-02-15 2015-05-13 张家港康得新光电材料有限公司 一种立体显示装置
JP6885877B2 (ja) * 2015-04-24 2021-06-16 スリーエム イノベイティブ プロパティズ カンパニー グレーデッド拡散体
JP2020504846A (ja) * 2017-01-04 2020-02-13 スリーエム イノベイティブ プロパティズ カンパニー 水平面の視野向上のための転向フィルム及びレンズ状ディフューザを有する光制御フィルム
WO2019211752A1 (en) * 2018-05-03 2019-11-07 3M Innovative Properties Company Light redirecting film, backlight, and display system
CN108873466B (zh) * 2018-09-10 2024-01-19 张家港康得新光电材料有限公司 一种视景分离元件和显示装置

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US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5751388A (en) 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
US5917664A (en) * 1996-02-05 1999-06-29 3M Innovative Properties Company Brightness enhancement film with soft cutoff
US5825543A (en) 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US5867316A (en) 1996-02-29 1999-02-02 Minnesota Mining And Manufacturing Company Multilayer film having a continuous and disperse phase
US6122103A (en) 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
TW574509B (en) * 2001-02-14 2004-02-01 Yuka Denshi Co Ltd Light guide body, light reflective sheet and surface light source device and liquid crystal device using the light reflective sheet, and the manufacturing method of light reflective sheet
US6917399B2 (en) 2001-02-22 2005-07-12 3M Innovative Properties Company Optical bodies containing cholesteric liquid crystal material and methods of manufacture
TWI258023B (en) * 2001-11-07 2006-07-11 Ibm A prism sheet, a back-light unit using said prism sheet, and a transmission type liquid crystal display device
CN100445824C (zh) * 2002-01-31 2008-12-24 三菱丽阳株式会社 光偏转元件及使用该元件的光源装置
JP4133420B2 (ja) * 2002-03-26 2008-08-13 シャープ株式会社 バックライト及び液晶表示装置
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
KR20040074789A (ko) * 2003-02-19 2004-08-26 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR100725011B1 (ko) * 2003-11-12 2007-06-04 엘지전자 주식회사 프리즘 시트 및 백라이트 어셈블리
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US8023065B2 (en) * 2005-06-24 2011-09-20 3M Innovative Properties Company Optical element for lateral light spreading in edge-lit displays and system using same
US7322731B2 (en) * 2005-06-24 2008-01-29 3M Innovative Properties Company Color mixing illumination light unit and system using same
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KR100985358B1 (ko) * 2007-12-10 2010-10-04 히다치 가세고교 가부시끼가이샤 백라이트부

Also Published As

Publication number Publication date
CN101535879B (zh) 2011-12-14
WO2008061054A2 (en) 2008-05-22
CN101535879A (zh) 2009-09-16
DE112007002748T5 (de) 2009-09-24
JP2010510544A (ja) 2010-04-02
US20080111947A1 (en) 2008-05-15
KR20090086552A (ko) 2009-08-13
WO2008061054A3 (en) 2008-07-10

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