JP5313898B2 - ディスプレイデバイスに好適なバックライト - Google Patents

ディスプレイデバイスに好適なバックライト Download PDF

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Publication number
JP5313898B2
JP5313898B2 JP2009525688A JP2009525688A JP5313898B2 JP 5313898 B2 JP5313898 B2 JP 5313898B2 JP 2009525688 A JP2009525688 A JP 2009525688A JP 2009525688 A JP2009525688 A JP 2009525688A JP 5313898 B2 JP5313898 B2 JP 5313898B2
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JP
Japan
Prior art keywords
light
backlight
layer
protrusions
reflective layer
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JP2009525688A
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English (en)
Japanese (ja)
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JP2010501985A5 (en:Method
JP2010501985A (ja
Inventor
マ，ジャイン
ディー． サンフォード，クイン
チェン，ミン
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication of JP2010501985A5 publication Critical patent/JP2010501985A5/ja
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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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02F1/133605—Direct backlight including specially adapted 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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
    • G02F1/133604—Direct backlight with lamps
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2009525688A 2006-08-25 2007-08-07 ディスプレイデバイスに好適なバックライト Active JP5313898B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/467,326 US7905650B2 (en) 2006-08-25 2006-08-25 Backlight suitable for display devices
US11/467,326 2006-08-25
PCT/US2007/075305 WO2008024617A1 (en) 2006-08-25 2007-08-07 Backlight suitable for display devices

Publications (3)

Publication Number Publication Date
JP2010501985A JP2010501985A (ja) 2010-01-21
JP2010501985A5 JP2010501985A5 (en:Method) 2010-09-24
JP5313898B2 true JP5313898B2 (ja) 2013-10-09

Family

ID=39107124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009525688A Active JP5313898B2 (ja) 2006-08-25 2007-08-07 ディスプレイデバイスに好適なバックライト

Country Status (7)

Country Link
US (2) US7905650B2 (en:Method)
EP (3) EP2426549B1 (en:Method)
JP (1) JP5313898B2 (en:Method)
KR (1) KR101396001B1 (en:Method)
CN (2) CN101506723A (en:Method)
TW (2) TWI579617B (en:Method)
WO (1) WO2008024617A1 (en:Method)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101474890B1 (ko) * 2006-06-23 2014-12-19 도레이 카부시키가이샤 백색 반사 필름
US7905650B2 (en) * 2006-08-25 2011-03-15 3M Innovative Properties Company Backlight suitable for display devices
KR20090085099A (ko) * 2006-11-15 2009-08-06 쓰리엠 이노베이티브 프로퍼티즈 컴파니 조명 균일도가 높은 백라이트형 디스플레이
KR101519171B1 (ko) 2007-05-20 2015-05-11 쓰리엠 이노베이티브 프로퍼티즈 컴파니 중공 공동 광 재순환 백라이트 내의 반경면 구성요소
KR101488042B1 (ko) 2007-05-20 2015-01-29 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광-재순환 유형의 얇은 중공 공동 백라이트의 설계 파라미터
CN102419959A (zh) * 2007-05-20 2012-04-18 3M创新有限公司 有效利用有色led光源的白光背光源等
US9028108B2 (en) * 2007-05-20 2015-05-12 3M Innovative Properties Company Collimating light injectors for edge-lit backlights
TWI448643B (zh) 2007-05-20 2014-08-11 3M Innovative Properties Co 背光與利用背光之顯示系統
WO2009006380A2 (en) * 2007-07-03 2009-01-08 3M Innovative Properties Company A backlight assemblies having a transmissive optical film
KR101571576B1 (ko) * 2008-02-07 2015-11-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 구조화된 필름을 구비한 중공형 백라이트
US9541698B2 (en) * 2008-02-22 2017-01-10 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
MY163688A (en) 2008-03-31 2017-10-13 3M Innovative Properties Co Low layer count reflective polarizer with optimized gain
TWI557446B (zh) * 2008-03-31 2016-11-11 ３Ｍ新設資產公司 光學膜
JP5195116B2 (ja) 2008-04-17 2013-05-08 ソニー株式会社 面光源装置及び画像表示装置
EP2128661A1 (en) * 2008-05-27 2009-12-02 LG Electronics Inc. Optical sheet and liquid crystal display including the same
US20090296022A1 (en) * 2008-05-28 2009-12-03 Junghoon Lee Optical sheet, backlight unit, and liquid crystal display
KR100962165B1 (ko) * 2008-05-28 2010-06-10 엘지전자 주식회사 광학 시트, 이를 포함하는 백라이트 유닛 및 액정표시장치
JP2011522290A (ja) * 2008-05-30 2011-07-28 スリーエム イノベイティブ プロパティズ カンパニー 懸架された光学フィルム
EP2297607B1 (en) * 2008-06-04 2014-04-23 3M Innovative Properties Company Hollow backlight with tilted light source
WO2010017087A1 (en) * 2008-08-08 2010-02-11 3M Innovative Properties Company Lightguide having a viscoelastic layer for managing light
JP2010044238A (ja) * 2008-08-13 2010-02-25 Teijin Dupont Films Japan Ltd 液晶表示装置用反射フィルム
KR20110044730A (ko) * 2008-08-13 2011-04-29 데이진 듀폰 필름 가부시키가이샤 조명 장치용 반사 필름
KR20110080170A (ko) * 2008-10-27 2011-07-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 경사 추출을 이용하는 반-경면 중공형 백라이트
JP2012514774A (ja) 2009-01-08 2012-06-28 スリーエム イノベイティブ プロパティズ カンパニー 乾式消去可能投射物品及びシステム
US8933526B2 (en) * 2009-07-15 2015-01-13 First Solar, Inc. Nanostructured functional coatings and devices
WO2011050228A2 (en) * 2009-10-24 2011-04-28 3M Innovative Properties Company Gradient low index article and method
WO2011063236A1 (en) 2009-11-23 2011-05-26 3M Innovative Properties Company Front projection screen with high contrast
TWI408331B (zh) * 2009-12-17 2013-09-11 Ind Tech Res Inst 雙面光學膜片量測裝置與方法
KR20170109697A (ko) * 2010-02-24 2017-09-29 도레이 카부시키가이샤 엣지 라이트형 백라이트용 백색 반사 필름 및 그것을 이용한 백라이트
JP5068865B2 (ja) * 2010-04-09 2012-11-07 シャープ株式会社 光源モジュール、およびそれを備えた電子機器
MY167538A (en) * 2011-03-29 2018-09-05 Toray Industries White reflective film for edge-light type backlight, and liquid crystal display backlight using same
US8958028B2 (en) 2011-06-17 2015-02-17 Apple Inc. Protective film patterning
WO2013043447A1 (en) * 2011-09-20 2013-03-28 3M Innovative Properties Company Textured film and process for manufacture
KR20130051168A (ko) * 2011-11-09 2013-05-20 삼성전자주식회사 액정패널조립체 및 그를 구비한 영상표시장치
KR101871374B1 (ko) * 2012-04-09 2018-06-27 엘지이노텍 주식회사 발광 램프
KR101973165B1 (ko) * 2012-06-20 2019-08-27 삼성디스플레이 주식회사 디스플레이 장치 및 디스플레이 장치의 제조방법
CN104641171B (zh) * 2012-07-23 2017-07-18 阿科玛法国公司 光学反射器以及光学反射膜和片材
KR101282029B1 (ko) 2013-01-31 2013-07-04 삼성전자주식회사 디스플레이 모듈 및 이를 갖춘 디스플레이 장치
JP2014052636A (ja) * 2013-09-10 2014-03-20 Teijin Dupont Films Japan Ltd 液晶表示装置用反射フィルム
CA2956314A1 (en) 2014-07-25 2016-01-28 Avery Dennison Corporation Two-in-one translucent and colored film
KR101793422B1 (ko) * 2015-04-13 2017-11-03 주식회사 엘엠에스 전반사 구조체를 구비한 반사시트 구조물 및 이를 구비한 백라이트 유닛
US20170075125A1 (en) * 2015-09-11 2017-03-16 Hyundai Motor Company Radio-wave transparent cover for vehicle
RU2617003C1 (ru) * 2015-11-05 2017-04-19 Самсунг Электроникс Ко., Лтд. Световодная пластина и содержащее ее устройство задней подсветки
US11231544B2 (en) 2015-11-06 2022-01-25 Magic Leap, Inc. Metasurfaces for redirecting light and methods for fabricating
US10527851B2 (en) 2016-05-06 2020-01-07 Magic Leap, Inc. Metasurfaces with asymmetric gratings for redirecting light and methods for fabricating
WO2018079742A1 (ja) * 2016-10-31 2018-05-03 株式会社 イマック 検査装置
AU2018212726B2 (en) 2017-01-27 2022-05-12 Magic Leap, Inc. Diffraction gratings formed by metasurfaces having differently oriented nanobeams
AU2018212570B2 (en) 2017-01-27 2023-03-16 Magic Leap, Inc. Antireflection coatings for metasurfaces
CN110622048B (zh) 2017-03-02 2023-03-28 3M创新有限公司 具有低光学厚度敏感性的动态反射彩色膜
KR102231849B1 (ko) * 2019-03-28 2021-03-25 도레이첨단소재 주식회사 이축 배향 폴리에스테르 반사필름 및 그 제조방법
JP7406972B2 (ja) * 2019-04-03 2023-12-28 株式会社小糸製作所 車両用灯具
CN110515241B (zh) * 2019-08-30 2022-03-01 厦门天马微电子有限公司 一种背光模组、显示装置及制作方法
US20230306918A1 (en) * 2020-08-05 2023-09-28 Behr-Hella Thermocontrol Gmbh Device for displaying information, in particular for a vehicle
CN117546201A (zh) * 2021-06-30 2024-02-09 株式会社半导体能源研究所 电子设备

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576850A (en) * 1978-07-20 1986-03-18 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
JPH01157610A (ja) 1987-12-15 1989-06-20 Matsushita Electric Ind Co Ltd 振動発生素子を有する封止部品の製造方法
US5254390B1 (en) * 1990-11-15 1999-05-18 Minnesota Mining & Mfg Plano-convex base sheet for retroreflective articles
JPH04329522A (ja) 1991-05-01 1992-11-18 Sharp Corp 液晶用照明装置
US5414599A (en) * 1991-09-09 1995-05-09 Enplas Corporation Surface light source device
JP2539492Y2 (ja) * 1991-10-09 1997-06-25 惠和商工株式会社 液晶表示装置
KR940004307B1 (ko) * 1991-12-30 1994-05-19 삼성전관 주식회사 면광원 장치
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5607764A (en) * 1994-10-27 1997-03-04 Fuji Photo Film Co., Ltd. Optical diffuser
JP3010871U (ja) 1994-11-04 1995-05-09 株式会社きもと 光拡散性シート
JPH08240719A (ja) * 1995-03-06 1996-09-17 Hitachi Ltd 液晶表示装置
AU6390396A (en) * 1995-06-26 1997-01-30 Minnesota Mining And Manufacturing Company Multilayer polymer film with additional coatings or layers
WO1997001781A2 (en) * 1995-06-26 1997-01-16 Minnesota Mining And Manufacturing Company Diffusely reflecting multilayer polarizers and mirrors
US6080467A (en) * 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
JP3588180B2 (ja) * 1995-12-28 2004-11-10 株式会社エンプラス 光制御部材及びサイドライト型面光源装置
JP3373106B2 (ja) * 1996-03-27 2003-02-04 株式会社きもと 光学フィルム
JP3988174B2 (ja) 1997-11-07 2007-10-10 ソニー株式会社 照射装置及び透過型表示装置
US6808658B2 (en) * 1998-01-13 2004-10-26 3M Innovative Properties Company Method for making texture multilayer optical films
US6208466B1 (en) * 1998-11-25 2001-03-27 3M Innovative Properties Company Multilayer reflector with selective transmission
JP3515401B2 (ja) * 1998-12-18 2004-04-05 大日本印刷株式会社 防眩フィルム、偏光板及び透過型表示装置
JP2001056410A (ja) * 1999-08-18 2001-02-27 Nitto Denko Corp 拡散偏光部材及び液晶表示装置
KR100673796B1 (ko) * 1999-09-09 2007-01-24 키모토 컴파니 리미티드 투명 하드코트 필름
WO2001022129A1 (en) * 1999-09-20 2001-03-29 3M Innovative Properties Company Optical films having at least one particle-containing layer
ATE367591T1 (de) * 1999-09-29 2007-08-15 Fujifilm Corp Blendschutz- und antireflexionsschicht, polarisator und bildanzeigevorrichtung
JP2001228315A (ja) * 2000-02-14 2001-08-24 Nitto Denko Corp 反射板及び液晶表示装置
JP4652527B2 (ja) * 2000-05-16 2011-03-16 株式会社きもと 光拡散性シート
JP4573946B2 (ja) * 2000-05-16 2010-11-04 株式会社きもと 光拡散性シート
US6447136B1 (en) * 2000-08-08 2002-09-10 Coretronic Corporation Light guide plate for a backlight system
US6692137B2 (en) * 2001-05-11 2004-02-17 L-3 Communications Display system using a hybrid backlight reflector
JP4712252B2 (ja) 2001-09-19 2011-06-29 恵和株式会社 反射シート及びこれを用いたバックライトユニット
US20040212757A1 (en) 2001-12-27 2004-10-28 Lee Jeong-Hwan Liquid crystal display apparatus
JP4161042B2 (ja) * 2002-02-14 2008-10-08 株式会社アーテックインターナショナル 表示用光源装置
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
JP2004235103A (ja) * 2003-01-31 2004-08-19 Sumitomo Rubber Ind Ltd 直下型バックライト
KR20040105899A (ko) 2003-06-09 2004-12-17 (주)나노디스플레이 다면 프리즘 요철이 형성된 프리즘시트가 장착된 백라이트장치
JP2005003753A (ja) 2003-06-10 2005-01-06 Hayashi Telempu Co Ltd 液晶表示用照明装置
TW594261B (en) * 2003-06-17 2004-06-21 Au Optronics Corp Upright backlight module for liquid crystal display
KR100931675B1 (ko) * 2003-07-02 2009-12-16 삼성전자주식회사 확산 반사필름을 갖는 백라이트 어셈블리
JP4133663B2 (ja) * 2003-07-30 2008-08-13 三菱電機株式会社 面状光源装置および該装置を備えた表示装置
JP4248974B2 (ja) 2003-09-02 2009-04-02 日東電工株式会社 光源装置および液晶表示装置
KR101003582B1 (ko) * 2003-12-29 2010-12-22 엘지디스플레이 주식회사 액정표시소자의 백라이트구조
JP2005293940A (ja) * 2004-03-31 2005-10-20 Nippon Zeon Co Ltd 導光板及びそれを用いたバックライト
KR20050110223A (ko) 2004-05-18 2005-11-23 삼성전자주식회사 액정 표시 장치
TW200606523A (en) * 2004-05-18 2006-02-16 Samsung Electronics Co Ltd Liquid crystal display and reflecting member for the same
KR100586966B1 (ko) * 2004-05-27 2006-06-08 삼성전기주식회사 수직 발광형 백라이트 모듈
JP2006120406A (ja) * 2004-10-20 2006-05-11 Sumitomo Rubber Ind Ltd 照明装置
KR20060081197A (ko) 2005-01-07 2006-07-12 삼성전자주식회사 반사 부재 및 이를 이용한 액정 표시 장치용 백라이트 유닛
JP2006196384A (ja) 2005-01-17 2006-07-27 Main Source Technology Co Ltd バックライトモジュール
TWM279866U (en) * 2005-06-07 2005-11-01 Kenmos Technology Co Ltd Complex light source reflecting device
TWM295743U (en) * 2006-01-18 2006-08-11 Eternal Chemical Co Ltd Surface light source device
US7905650B2 (en) * 2006-08-25 2011-03-15 3M Innovative Properties Company Backlight suitable for display devices

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TW201624076A (zh) 2016-07-01
EP2054757A1 (en) 2009-05-06
WO2008024617A1 (en) 2008-02-28
CN101506723A (zh) 2009-08-12
TWI584026B (zh) 2017-05-21
EP2426549B1 (en) 2014-06-18
CN102419493B (zh) 2015-09-16
EP2626738A1 (en) 2013-08-14
US20110038140A1 (en) 2011-02-17
KR20090047484A (ko) 2009-05-12
EP2426549A3 (en) 2012-05-30
US7905650B2 (en) 2011-03-15
EP2426549A2 (en) 2012-03-07
CN102419493A (zh) 2012-04-18
EP2054757A4 (en) 2010-09-29
TWI579617B (zh) 2017-04-21
US20080049419A1 (en) 2008-02-28
TW200817780A (en) 2008-04-16
KR101396001B1 (ko) 2014-05-16
JP2010501985A (ja) 2010-01-21

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