KR20080015088A - 조명 균일성이 높은 백라이트 디스플레이 - Google Patents

조명 균일성이 높은 백라이트 디스플레이 Download PDF

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Publication number
KR20080015088A
KR20080015088A KR1020077027436A KR20077027436A KR20080015088A KR 20080015088 A KR20080015088 A KR 20080015088A KR 1020077027436 A KR1020077027436 A KR 1020077027436A KR 20077027436 A KR20077027436 A KR 20077027436A KR 20080015088 A KR20080015088 A KR 20080015088A
Authority
KR
South Korea
Prior art keywords
light
display unit
layer
diffusion layer
display panel
Prior art date
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.)
Withdrawn
Application number
KR1020077027436A
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English (en)
Korean (ko)
Inventor
케네스 에이. 엡스테인
Original Assignee
쓰리엠 이노베이티브 프로퍼티즈 컴파니
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.)
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Application filed by 쓰리엠 이노베이티브 프로퍼티즈 컴파니 filed Critical 쓰리엠 이노베이티브 프로퍼티즈 컴파니
Publication of KR20080015088A publication Critical patent/KR20080015088A/ko
Withdrawn legal-status Critical Current

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    • 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)
KR1020077027436A 2005-05-16 2006-05-12 조명 균일성이 높은 백라이트 디스플레이 Withdrawn KR20080015088A (ko)

Applications Claiming Priority (2)

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
US11/129,942 2005-05-16

Publications (1)

Publication Number Publication Date
KR20080015088A true KR20080015088A (ko) 2008-02-18

Family

ID=37431557

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077027436A Withdrawn KR20080015088A (ko) 2005-05-16 2006-05-12 조명 균일성이 높은 백라이트 디스플레이

Country Status (7)

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

Families Citing this family (52)

* 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
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
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
KR20070103544A (ko) * 2006-04-19 2007-10-24 삼성전자주식회사 액정 표시 장치 및 그에 사용되는 프리즘 시트
US7478913B2 (en) * 2006-11-15 2009-01-20 3M Innovative Properties Back-lit displays with high illumination uniformity
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
US8690373B2 (en) * 2006-11-15 2014-04-08 3M Innovative Properties Company Back-lit displays with high illumination uniformity
CN101529153B (zh) * 2006-11-29 2012-06-27 夏普株式会社 背光源装置、显示装置和电视接收装置
US8792070B2 (en) * 2007-03-21 2014-07-29 Honeywell International Inc. Polarization plate for use in a liquid crystal display
JP5393048B2 (ja) * 2007-06-29 2014-01-22 日東電工株式会社 液晶表示装置および積層偏光板ならびに偏光光源装置
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
JP5702151B2 (ja) * 2008-02-07 2015-04-15 スリーエム イノベイティブ プロパティズ カンパニー 構造化フィルムを有する中空のバックライト
KR101579332B1 (ko) * 2008-02-15 2015-12-21 쓰리엠 이노베이티브 프로퍼티즈 컴파니 디스플레이의 개선된 조명 균일도를 위한 휘도 향상 필름 및 필름 기반 확산기
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
CN102405142A (zh) * 2009-01-08 2012-04-04 3M创新有限公司 可干擦的投影制品和系统
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
US8891038B2 (en) 2009-04-15 2014-11-18 3M Innovative Properties Company Lightguide with optical film containing voids and blacklight for display system
US9291752B2 (en) 2013-08-19 2016-03-22 3M Innovative Properties Company Retroreflecting optical construction
JP5727460B2 (ja) 2009-04-15 2015-06-03 スリーエム イノベイティブ プロパティズ カンパニー 光結合を防止するための光学フィルム
WO2011050254A1 (en) 2009-10-24 2011-04-28 3M Innovative Properties Company Light source and display system incorporating same
WO2011063236A1 (en) 2009-11-23 2011-05-26 3M Innovative Properties Company Front projection screen with high contrast
JP5869494B2 (ja) 2009-12-08 2016-02-24 スリーエム イノベイティブ プロパティズ カンパニー 光ガイド及び低屈折率フィルムを組み込んだ光学構造体
US20120307160A1 (en) * 2010-03-02 2012-12-06 Sharp Kabushiki Kaisha Display panel and display device
MX341955B (es) 2010-04-15 2016-09-08 3M Innovative Properties Co Articulos retrorreflectantes que incluyen areas opticamente activas y areas opticamente inactivas.
JP5997132B2 (ja) 2010-04-15 2016-09-28 スリーエム イノベイティブ プロパティズ カンパニー 再帰反射性物品及びその形成方法
WO2011129831A1 (en) 2010-04-15 2011-10-20 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
JP6275936B2 (ja) 2010-09-17 2018-02-07 日東電工株式会社 光拡散フィルム、光拡散フィルム付偏光板、液晶表示装置および照明器具
JP2012083744A (ja) * 2010-09-17 2012-04-26 Nitto Denko Corp 光拡散素子および光拡散素子付偏光板
JP6275935B2 (ja) * 2010-09-17 2018-02-07 日東電工株式会社 光拡散素子、光拡散素子付偏光板、およびこれらを用いた液晶表示装置
JP6275934B2 (ja) * 2010-09-17 2018-02-07 日東電工株式会社 光拡散素子、光拡散素子付偏光板、偏光素子、およびこれらを用いた液晶表示装置
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
JP6280241B2 (ja) * 2014-04-22 2018-02-14 深▲ちぇん▼市国華光電科技有限公司 高輝度拡散反射体を備える表示構造及びその製造方法
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
CN105445829B (zh) * 2016-01-08 2018-05-25 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
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
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WO2020066311A1 (ja) * 2018-09-28 2020-04-02 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
US11927855B2 (en) * 2019-08-19 2024-03-12 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 (https=) * 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
US5914759A (en) * 1996-02-07 1999-06-22 Nitto Jushi Kogyo Kabushiki Kaisha Surface light source device, liquid crystal display and asymmetric prism sheet
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
KR20020041431A (ko) * 2000-07-11 2002-06-01 미우라 아키라 면 광원 장치
US6799859B1 (en) * 2000-07-24 2004-10-05 Mitsubishi Rayon Co., Ltd. Surface illuminant device and prism sheet used therefor
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
DK1517174T3 (da) * 2002-06-27 2012-04-16 Dainippon Printing Co Ltd Projektionsskærm og projektionsdisplayindretning
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
TWI464494B (zh) * 2005-08-27 2014-12-11 ３Ｍ新設資產公司 照明組件及系統
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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WO2006124588A1 (en) 2006-11-23
CN101198897A (zh) 2008-06-11
US20070030415A1 (en) 2007-02-08
EP1882208A1 (en) 2008-01-30
JP2008541195A (ja) 2008-11-20
TW200707012A (en) 2007-02-16

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