CN101535879B - 具有高照明均匀度的背光型显示屏 - Google Patents

具有高照明均匀度的背光型显示屏 Download PDF

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Publication number
CN101535879B
CN101535879B CN2007800410199A CN200780041019A CN101535879B CN 101535879 B CN101535879 B CN 101535879B CN 2007800410199 A CN2007800410199 A CN 2007800410199A CN 200780041019 A CN200780041019 A CN 200780041019A CN 101535879 B CN101535879 B CN 101535879B
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CN
China
Prior art keywords
light
layer
euf
turns
turning
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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.)
Expired - Fee Related
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CN2007800410199A
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English (en)
Chinese (zh)
Other versions
CN101535879A (zh
Inventor
肯尼思·A·爱泼斯坦
肯尼思·J·汉利
詹姆斯·A·史蒂文森
罗伯特·M·埃蒙斯
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of CN101535879A publication Critical patent/CN101535879A/zh
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    • 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
    • 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

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  • 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)
CN2007800410199A 2006-11-15 2007-11-12 具有高照明均匀度的背光型显示屏 Expired - Fee Related CN101535879B (zh)

Applications Claiming Priority (3)

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
US11/560,234 2006-11-15
PCT/US2007/084404 WO2008061054A2 (en) 2006-11-15 2007-11-12 Back-lit displays with high illumination uniformity

Publications (2)

Publication Number Publication Date
CN101535879A CN101535879A (zh) 2009-09-16
CN101535879B true CN101535879B (zh) 2011-12-14

Family

ID=39185982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007800410199A Expired - Fee Related CN101535879B (zh) 2006-11-15 2007-11-12 具有高照明均匀度的背光型显示屏

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)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100302479A1 (en) * 1996-03-21 2010-12-02 Aronson Joseph T Optical article
TWI428669B (zh) * 2006-11-15 2014-03-01 3M Innovative Properties Co 具有高照明均勻度的背發光顯示器
WO2009102951A2 (en) * 2008-02-15 2009-08-20 3M Innovative Properties Company 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
EP2430112B1 (en) 2009-04-23 2018-09-12 The University of Chicago Materials and methods for the preparation of nanocomposites
CN102667618B (zh) 2009-11-23 2015-02-25 3M创新有限公司 具有高对比度的正投影屏幕
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
US10698138B2 (en) 2015-04-24 2020-06-30 3M Innovative Properties Company Graded diffuser
WO2018129068A1 (en) * 2017-01-04 2018-07-12 3M Innovative Properties Company Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane
KR20200140307A (ko) * 2018-05-03 2020-12-15 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 방향전환 필름, 백라이트 및 디스플레이 시스템
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1210593A (zh) * 1996-02-05 1999-03-10 美国3M公司 带有渐缓切割表面的亮度增强膜
CN1683974A (zh) * 2004-04-16 2005-10-19 大日本印刷株式会社 漫射板、面光源装置和透射型显示装置
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

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW289095B (enExample) 1993-01-11 1996-10-21
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
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
KR100712766B1 (ko) * 2002-01-31 2007-05-02 미츠비시 레이온 가부시키가이샤 광원 장치
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
US6846089B2 (en) 2003-05-16 2005-01-25 3M Innovative Properties Company Method for stacking surface structured optical films
US7213933B2 (en) * 2004-01-02 2007-05-08 Entire Technology Co., Ltd. Direct type backlight module of diffuser plate and its manufacturing method thereof
US7142768B2 (en) * 2004-03-04 2006-11-28 K-Bridge Electronics Co., Ltd. LCD optical waveguide device
TWI364600B (en) * 2004-04-12 2012-05-21 Kuraray Co An illumination device an image display device using the illumination device and a light diffusing board used by the devices
WO2006026743A1 (en) * 2004-08-31 2006-03-09 Fusion Optix, Inc. Enhanced light diffusing sheet
US7436469B2 (en) * 2004-10-15 2008-10-14 3M Innovative Properties Company Composite diffuser plates and direct-lit liquid crystal displays using same
TWI248543B (en) * 2004-11-10 2006-02-01 Coretronic Corp Bottom-lit backlight module
JP4433467B2 (ja) * 2004-12-01 2010-03-17 株式会社エンプラス 面光源装置
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
US20070002588A1 (en) * 2005-07-01 2007-01-04 K-Bridge Electronics Co., Ltd. Backlight module light equilibrator
US7663712B2 (en) * 2005-10-10 2010-02-16 Skc Haas Display Films Co., Ltd. Backlight unit with linearly reduced divergence having the width of an output aperture vary over the length of a light divergence reduction structure
JP4307477B2 (ja) * 2006-07-04 2009-08-05 三星モバイルディスプレイ株式會社 導光板およびバックライトユニット
CN101295041B (zh) * 2007-04-27 2011-12-21 鸿富锦精密工业（深圳）有限公司 背光模组及其光学板
KR100985358B1 (ko) * 2007-12-10 2010-10-04 히다치 가세고교 가부시끼가이샤 백라이트부

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1210593A (zh) * 1996-02-05 1999-03-10 美国3M公司 带有渐缓切割表面的亮度增强膜
CN1683974A (zh) * 2004-04-16 2005-10-19 大日本印刷株式会社 漫射板、面光源装置和透射型显示装置
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

Also Published As

Publication number Publication date
TW200832015A (en) 2008-08-01
WO2008061054A3 (en) 2008-07-10
US20080111947A1 (en) 2008-05-15
JP2010510544A (ja) 2010-04-02
KR20090086552A (ko) 2009-08-13
DE112007002748T5 (de) 2009-09-24
CN101535879A (zh) 2009-09-16
WO2008061054A2 (en) 2008-05-22

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111214

Termination date: 20121112