TW200707012A - Back-lit displays with high illumination uniformity - Google Patents

Back-lit displays with high illumination uniformity

Info

Publication number
TW200707012A
TW200707012A TW095117112A TW95117112A TW200707012A TW 200707012 A TW200707012 A TW 200707012A TW 095117112 A TW095117112 A TW 095117112A TW 95117112 A TW95117112 A TW 95117112A TW 200707012 A TW200707012 A TW 200707012A
Authority
TW
Taiwan
Prior art keywords
light
source unit
light source
diffuser layer
disposed
Prior art date
Application number
TW095117112A
Other languages
English (en)
Chinese (zh)
Inventor
Kenneth Alan Epstein
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 TW200707012A publication Critical patent/TW200707012A/zh

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
    • 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
    • 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
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
TW095117112A 2005-05-16 2006-05-15 Back-lit displays with high illumination uniformity TW200707012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/129,942 US20070030415A1 (en) 2005-05-16 2005-05-16 Back-lit displays with high illumination uniformity

Publications (1)

Publication Number Publication Date
TW200707012A true TW200707012A (en) 2007-02-16

Family

ID=37431557

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095117112A TW200707012A (en) 2005-05-16 2006-05-15 Back-lit displays with high illumination uniformity

Country Status (7)

Country Link
US (1) US20070030415A1 (enExample)
EP (1) EP1882208A4 (enExample)
JP (1) JP2008541195A (enExample)
KR (1) KR20080015088A (enExample)
CN (1) CN101198897A (enExample)
TW (1) TW200707012A (enExample)
WO (1) WO2006124588A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI468742B (zh) * 2010-09-17 2015-01-11 Nitto Denko Corp A light diffusion element, a polarizing plate for a light diffusion element, a polarizing element, and a liquid crystal display device using the same
TWI468741B (zh) * 2010-09-17 2015-01-11 Nitto Denko Corp A light diffusion element, a polarizing plate with a light diffusion element, and a liquid crystal display device using the same
TWI468740B (zh) * 2010-09-17 2015-01-11 Nitto Denko Corp A light diffusion film, a polarizing plate with a light diffusion film, a liquid crystal display device, and a lighting fixture
TWI468743B (zh) * 2010-09-17 2015-01-11 Nitto Denko Corp A light diffusing element and a polarizing plate with a light diffusing element
US9110242B2 (en) 2007-06-29 2015-08-18 Nitto Denko Corporation Liquid crystal display, laminated polarizing plate and polarized light source device
CN105445829A (zh) * 2016-01-08 2016-03-30 京东方光科技有限公司 棱镜膜、导光板、背光模组及显示装置

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060109395A1 (en) * 2004-11-24 2006-05-25 Junya Yamamoto Area light source device and liquid crystal display device including the same
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
US7903194B2 (en) * 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
KR20070103544A (ko) * 2006-04-19 2007-10-24 삼성전자주식회사 액정 표시 장치 및 그에 사용되는 프리즘 시트
US7766528B2 (en) * 2006-11-15 2010-08-03 3M Innovative Properties Company Back-lit displays with high illumination uniformity
US7789538B2 (en) 2006-11-15 2010-09-07 3M Innovative Properties Company Back-lit displays with high illumination uniformity
WO2008061125A1 (en) * 2006-11-15 2008-05-22 3M Innovative Properties Company Back-lit displays with high illumination uniformity
US7478913B2 (en) * 2006-11-15 2009-01-20 3M Innovative Properties Back-lit displays with high illumination uniformity
US8134656B2 (en) * 2006-11-29 2012-03-13 Sharp Kabushiki Kaisha Backlight device, display device, and television receiver
US8792070B2 (en) 2007-03-21 2014-07-29 Honeywell International Inc. Polarization plate for use in a liquid crystal display
US20090034268A1 (en) * 2007-08-01 2009-02-05 3M Innovative Properties Company Light management assembly
JP2009080214A (ja) * 2007-09-25 2009-04-16 Toshiba Corp 液晶表示装置
JP2009098263A (ja) * 2007-10-15 2009-05-07 Hitachi Ltd 液晶表示装置及び照明装置
KR100916304B1 (ko) * 2007-11-26 2009-09-10 엘지전자 주식회사 광학 시트
TWI494655B (zh) * 2008-02-07 2015-08-01 3M Innovative Properties Co 具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器
EP2263115A2 (en) * 2008-02-15 2010-12-22 3M Innovative Properties Company Brightness enhancing film and film based diffuser for improved illumination uniformity of displays
JP5405763B2 (ja) * 2008-03-28 2014-02-05 日東電工株式会社 指向性拡散フィルム、偏光板、液晶表示装置および指向性拡散フィルムの製造方法
WO2010081006A1 (en) * 2009-01-08 2010-07-15 3M Innovative Properties Company Dry erasable projection article and system
WO2010120871A1 (en) 2009-04-15 2010-10-21 3M Innovative Properties Company Optical film for preventing optical coupling
TWI605276B (zh) * 2009-04-15 2017-11-11 ３Ｍ新設資產公司 光學結構及包含該光學結構之顯示系統
US9291752B2 (en) 2013-08-19 2016-03-22 3M Innovative Properties Company Retroreflecting optical construction
CN102460244B (zh) 2009-04-15 2014-11-19 3M创新有限公司 具有包括空隙的光学膜的光导和用于显示系统的背光源
WO2011050254A1 (en) 2009-10-24 2011-04-28 3M Innovative Properties Company Light source and display system incorporating same
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
KR101716922B1 (ko) 2009-12-08 2017-03-15 쓰리엠 이노베이티브 프로퍼티즈 컴파니 도광체 및 저굴절률 필름을 포함하는 광학 구조체
US20120307160A1 (en) * 2010-03-02 2012-12-06 Sharp Kabushiki Kaisha Display panel and display device
MX341957B (es) 2010-04-15 2016-09-08 3M Innovative Properties Co Articulos retrorreflectantes que incluyen areas opticamente activas y areas opticamente inactivas.
US9791604B2 (en) 2010-04-15 2017-10-17 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
EP2558289B1 (en) 2010-04-15 2018-12-26 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
TW201227077A (en) * 2010-12-16 2012-07-01 Chunghwa Picture Tubes Ltd Liquid crystal display device and backlight module thereof
US9329430B2 (en) 2011-04-28 2016-05-03 Dolby Laboratories Licensing Corporation Dual panel display with cross BEF collimator and polarization-preserving diffuser
JP5953835B2 (ja) * 2011-09-07 2016-07-20 セイコーエプソン株式会社 プロジェクター
CN104216168A (zh) * 2013-05-29 2014-12-17 鸿富锦精密工业（深圳）有限公司 液晶显示装置及其背光模块
CN103955011A (zh) * 2014-04-21 2014-07-30 深圳市国华光电科技有限公司 一种具有高亮度漫反射体的显示结构及其制造方法
EP3136135B1 (en) * 2014-04-22 2020-05-13 Shenzhen Guohua Optoelectronics Co. Ltd. Display structure having high-brightness diffuse reflector and manufacturing method therefor
US10642087B2 (en) 2014-05-23 2020-05-05 Eyesafe, Llc Light emission reducing compounds for electronic devices
KR101728678B1 (ko) * 2015-05-18 2017-05-02 주식회사 엘엠에스 파티클이 구비된 반사편광모듈 및 이를 구비한 백라이트 유닛
CN107748468A (zh) * 2017-11-30 2018-03-02 青岛海信电器股份有限公司 液晶显示装置
CN108303822A (zh) * 2018-01-23 2018-07-20 青岛海信电器股份有限公司 一种背光模组、显示装置及液晶电视
JP7279062B2 (ja) * 2018-09-28 2023-05-22 株式会社巴川製紙所 異方性光学フィルムを用いた導光積層体、及び、それを用いた表示装置用面状照明装置
US12321060B1 (en) 2018-11-28 2025-06-03 Eyesafe Inc. Color filter enhancements for display devices
US11592701B2 (en) 2018-11-28 2023-02-28 Eyesafe Inc. Backlight unit with emission modification
US11810532B2 (en) 2018-11-28 2023-11-07 Eyesafe Inc. Systems for monitoring and regulating harmful blue light exposure from digital devices
US11347099B2 (en) 2018-11-28 2022-05-31 Eyesafe Inc. Light management filter and related software
WO2021033073A1 (en) * 2019-08-19 2021-02-25 3M Innovative Properties Company Display system
CN114280842A (zh) * 2021-12-21 2022-04-05 Tcl华星光电技术有限公司 背光模组、显示装置以及电子设备

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566102A (en) * 1967-09-13 1971-02-23 Artcrest Products Co Inc Light panel
US3721818A (en) * 1970-05-18 1973-03-20 Ksh Inc Ceiling mounted luminaire and light-transmitting enclosure therefor
US4173399A (en) * 1976-09-13 1979-11-06 Izon Corporation Compact optical viewer for microfiche or cassette
US4497860A (en) * 1978-12-18 1985-02-05 Minnesota Mining And Manufacturing Company Imageable prismatic array
US4268118A (en) * 1979-09-05 1981-05-19 Minnesota Mining And Manufacturing Company Sheeting useful as a projection screen
US4708435A (en) * 1986-10-30 1987-11-24 Mitsubishi Rayon Co., Ltd. Rear projection screen
CA1278203C (en) * 1987-04-24 1990-12-27 Lorne A. Whitehead Non-reflective image display device
US4791540A (en) * 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
US5161041A (en) * 1990-04-26 1992-11-03 Ois Optical Imaging Systems, Inc. Lighting assembly for a backlit electronic display including an integral image splitting and collimating means
USRE37377E1 (en) * 1992-10-09 2001-09-18 Asahi Glass Company, Ltd. LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
TW289095B (enExample) * 1993-01-11 1996-10-21
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5659410A (en) * 1993-12-28 1997-08-19 Enplas Corporation Surface light source device and liquid crystal display
US5751388A (en) * 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
JP3653308B2 (ja) * 1995-08-01 2005-05-25 日東樹脂工業株式会社 面光源装置及び液晶ディスプレイ
KR19980703642A (ko) * 1996-02-07 1998-12-05 고이께야스히로 면광원 장치, 액정 디스플레이 및 비대칭 프리즘 시이트
US5867316A (en) * 1996-02-29 1999-02-02 Minnesota Mining And Manufacturing Company Multilayer film having a continuous and disperse phase
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
JP3655970B2 (ja) * 1996-07-29 2005-06-02 大日本印刷株式会社 透過型スクリーン
US6497946B1 (en) * 1997-10-24 2002-12-24 3M Innovative Properties Company Diffuse reflective articles
US6327598B1 (en) * 1997-11-24 2001-12-04 International Business Machines Corporation Removing a filled-out form from a non-interactive web browser cache to an interactive web browser cache
TW518440B (en) * 1998-03-25 2003-01-21 Enplas Corp Surface light source device of side light type and liquid crystal display
KR100271672B1 (ko) * 1998-05-20 2000-11-15 구본준 시이트 구조의 광학소자 및 그를 이용한 백라이트 유니트
US6617784B1 (en) * 1998-06-08 2003-09-09 3M Innovative Properties Company Electroluminescent device and method for producing the same
US6055108A (en) * 1999-02-11 2000-04-25 Minnesota Mining And Manufacturing Company Imaging articles and methods using dual-axis retroreflective elements
US6827456B2 (en) * 1999-02-23 2004-12-07 Solid State Opto Limited Transreflectors, transreflector systems and displays and methods of making transreflectors
US6122103A (en) * 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
US6356389B1 (en) * 1999-11-12 2002-03-12 Reflexite Corporation Subwavelength optical microstructure light collimating films
US6636981B1 (en) * 2000-01-06 2003-10-21 International Business Machines Corporation Method and system for end-to-end problem determination and fault isolation for storage area networks
JP2001202814A (ja) * 2000-01-21 2001-07-27 Bridgestone Corp 直下型平面発光体
WO2002005022A1 (en) * 2000-07-11 2002-01-17 Mitsubishi Chemical Corporation Surface light source device
JP3959024B2 (ja) * 2000-07-24 2007-08-15 三菱レイヨン株式会社 面光源装置及びそれに用いるプリズムシート
JP2002049324A (ja) * 2000-07-31 2002-02-15 Nippon Seiki Co Ltd バックライト装置
US6595652B2 (en) * 2000-12-12 2003-07-22 International Manufacturing And Engineering Services Co., Ltd. Surface lighting device
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
KR100765304B1 (ko) * 2001-02-21 2007-10-09 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정 표시 장치
US6917399B2 (en) * 2001-02-22 2005-07-12 3M Innovative Properties Company Optical bodies containing cholesteric liquid crystal material and methods of manufacture
JP4293300B2 (ja) * 2001-05-24 2009-07-08 シャープ株式会社 照明装置およびそれを備える表示装置
TW589470B (en) * 2001-10-04 2004-06-01 Mitsubishi Rayon Co Planar light source device and light guide therefor
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
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
FR2838179B1 (fr) * 2002-04-05 2004-12-24 Phlox Appareil de retroeclairage
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
KR20030097143A (ko) * 2002-06-19 2003-12-31 엘지.필립스 엘시디 주식회사 액정표시장치의 백라이트 유닛
KR100897745B1 (ko) * 2002-06-26 2009-05-15 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 직하형 액정 표시 장치
EP1517174B1 (en) * 2002-06-27 2012-02-22 Dai Nippon Printing Co., Ltd. Projection screen and projection display device
KR20040031858A (ko) * 2002-10-04 2004-04-14 삼성전자주식회사 액정표시장치
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
US6997595B2 (en) * 2003-08-18 2006-02-14 Eastman Kodak Company Brightness enhancement article having trapezoidal prism surface
US7224529B2 (en) * 2003-09-09 2007-05-29 3M Innovative Properties Company Microreplicated article
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
US7408708B2 (en) * 2004-04-16 2008-08-05 Dai Nippon Printing Co., Ltd. Diffusing sheet, surface light source unit, and transmission type display
TW200600919A (en) * 2004-06-22 2006-01-01 Samsung Electronics Co Ltd Optical film, backlight assembly and liquid crystal display device having the same
US7446827B2 (en) * 2004-10-15 2008-11-04 3M Innovative Properties Company Direct-lit liquid crystal displays with laminated diffuser plates
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
US7339635B2 (en) * 2005-01-14 2008-03-04 3M Innovative Properties Company Pre-stacked optical films with adhesive layer
US7220036B2 (en) * 2005-05-20 2007-05-22 3M Innovative Properties Company Thin direct-lit backlight for LCD display
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
US20070002588A1 (en) * 2005-07-01 2007-01-04 K-Bridge Electronics Co., Ltd. Backlight module light equilibrator
CN101297234B (zh) * 2005-08-27 2010-08-11 3M创新有限公司 照明组件和系统
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

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TWI468743B (zh) * 2010-09-17 2015-01-11 Nitto Denko Corp A light diffusing element and a polarizing plate with a light diffusing element
US9176264B2 (en) 2010-09-17 2015-11-03 Nitto Denko Corporation Light-diffusing element, polarizing plate having light-diffusing element attached thereto, polarizing element, and liquid crystal display device equipped with those components
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US9417364B2 (en) 2010-09-17 2016-08-16 Nitto Denko Corporation Light-diffusing element and polarizing plate provided therewith
US9804304B2 (en) 2010-09-17 2017-10-31 Nitto Denko Corporation Light-diffusing element, polarizer having light-diffusing element, and liquid crystal display device having same
CN105445829A (zh) * 2016-01-08 2016-03-30 京东方光科技有限公司 棱镜膜、导光板、背光模组及显示装置
US10571620B2 (en) 2016-01-08 2020-02-25 Boe Technology Group Co., Ltd. Prism film, light guide plate, backlight module and display apparatus

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CN101198897A (zh) 2008-06-11
EP1882208A4 (en) 2009-12-23
US20070030415A1 (en) 2007-02-08
JP2008541195A (ja) 2008-11-20
WO2006124588A1 (en) 2006-11-23
EP1882208A1 (en) 2008-01-30
KR20080015088A (ko) 2008-02-18

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