JP5819723B2 - 傾斜した光源を備える中空のバックライト - Google Patents

傾斜した光源を備える中空のバックライト Download PDF

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Publication number
JP5819723B2
JP5819723B2 JP2011512563A JP2011512563A JP5819723B2 JP 5819723 B2 JP5819723 B2 JP 5819723B2 JP 2011512563 A JP2011512563 A JP 2011512563A JP 2011512563 A JP2011512563 A JP 2011512563A JP 5819723 B2 JP5819723 B2 JP 5819723B2
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JP
Japan
Prior art keywords
light
reflector
light source
backlight
collimator
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.)
Expired - Fee Related
Application number
JP2011512563A
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English (en)
Japanese (ja)
Other versions
JP2011523177A (ja
JP2011523177A5 (enExample
Inventor
ジェイ．ダブリュ． アーストゥエン，デイビッド
ジェイ．ダブリュ． アーストゥエン，デイビッド
エー． エプスタイン，ケネス
エー． エプスタイン，ケネス
コ，ビュン−ス
エー． ウィートリー，ジョン
エー． ウィートリー，ジョン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
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 JP2011523177A publication Critical patent/JP2011523177A/ja
Publication of JP2011523177A5 publication Critical patent/JP2011523177A5/ja
Application granted granted Critical
Publication of JP5819723B2 publication Critical patent/JP5819723B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • 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
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2011512563A 2008-06-04 2009-06-01 傾斜した光源を備える中空のバックライト Expired - Fee Related JP5819723B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5878008P 2008-06-04 2008-06-04
US61/058,780 2008-06-04
PCT/US2009/045832 WO2009149010A1 (en) 2008-06-04 2009-06-01 Hollow backlight with tilted light source

Publications (3)

Publication Number Publication Date
JP2011523177A JP2011523177A (ja) 2011-08-04
JP2011523177A5 JP2011523177A5 (enExample) 2012-07-19
JP5819723B2 true JP5819723B2 (ja) 2015-11-24

Family

ID=40909995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011512563A Expired - Fee Related JP5819723B2 (ja) 2008-06-04 2009-06-01 傾斜した光源を備える中空のバックライト

Country Status (7)

Country Link
US (1) US8757858B2 (enExample)
EP (1) EP2297607B1 (enExample)
JP (1) JP5819723B2 (enExample)
KR (1) KR20110019388A (enExample)
CN (1) CN102057319B (enExample)
TW (1) TW201003248A (enExample)
WO (1) WO2009149010A1 (enExample)

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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
EP2487535A1 (en) 2007-05-20 2012-08-15 3M Innovative Properties Company Design parameters for backlights, which have a thin hollow cavity and recycle the light
TWI439641B (zh) * 2007-05-20 2014-06-01 3M Innovative Properties Co 用於側面發光型背光之準直光注入器
KR101464795B1 (ko) * 2007-05-20 2014-11-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 재순환 중공 공동형 디스플레이 백라이트
JP5336474B2 (ja) * 2007-05-20 2013-11-06 スリーエム イノベイティブ プロパティズ カンパニー 半鏡面構成要素を備えたリサイクル型バックライト
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
WO2009105450A1 (en) * 2008-02-22 2009-08-27 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
TWI465808B (zh) * 2010-11-25 2014-12-21 Ｌｇ伊諾特股份有限公司 背光單元及其顯示設備
US8235540B2 (en) 2011-01-14 2012-08-07 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same
JP2012204233A (ja) * 2011-03-28 2012-10-22 Panasonic Corp 光照射装置及び光照射治療・予防装置
KR101880130B1 (ko) * 2011-05-02 2018-07-19 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR101797599B1 (ko) * 2011-06-30 2017-11-15 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR101868535B1 (ko) * 2011-07-15 2018-06-20 엘지이노텍 주식회사 디스플레이 장치
WO2013024719A1 (ja) * 2011-08-12 2013-02-21 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
KR101832313B1 (ko) * 2011-08-18 2018-04-04 엘지이노텍 주식회사 디스플레이 장치
JP2013052069A (ja) * 2011-09-02 2013-03-21 Panasonic Corp 光照射装置及び光照射治療・予防装置
MY186216A (en) * 2011-10-20 2021-06-30 3M Innovative Properties Co Illumination systems with sloped transmission spectrum front reflector
KR101993218B1 (ko) * 2011-12-15 2019-06-27 엘지이노텍 주식회사 백라이트 유닛
KR101948140B1 (ko) 2011-12-20 2019-02-15 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 조명 시스템
KR101943446B1 (ko) * 2011-12-20 2019-01-30 엘지이노텍 주식회사 디스플레이 장치 및 조명 시스템
KR102024288B1 (ko) * 2012-02-15 2019-09-23 엘지이노텍 주식회사 조명 시스템
CN203013180U (zh) * 2012-02-28 2013-06-19 天地融科技股份有限公司 一种电子设备
KR101975488B1 (ko) * 2012-03-14 2019-05-08 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
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CN102661529B (zh) * 2012-04-05 2014-06-25 深圳市华星光电技术有限公司 背光模组及液晶显示器
CN102661537B (zh) * 2012-04-16 2014-04-23 深圳市华星光电技术有限公司 背光模组及液晶显示器
KR101992362B1 (ko) * 2012-08-29 2019-06-24 엘지이노텍 주식회사 라이트 유닛 및 그를 이용한 조명 시스템
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