KR20110019388A - 경사형 광원을 갖는 중공 백라이트 - Google Patents

경사형 광원을 갖는 중공 백라이트 Download PDF

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Publication number
KR20110019388A
KR20110019388A KR1020107029480A KR20107029480A KR20110019388A KR 20110019388 A KR20110019388 A KR 20110019388A KR 1020107029480 A KR1020107029480 A KR 1020107029480A KR 20107029480 A KR20107029480 A KR 20107029480A KR 20110019388 A KR20110019388 A KR 20110019388A
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KR
South Korea
Prior art keywords
light
reflector
backlight
light source
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.)
Ceased
Application number
KR1020107029480A
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English (en)
Korean (ko)
Inventor
데이비드 제이 더블유 아스투엔
케네쓰 에이 엡스타인
고병수
존 에이 위틀리
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.)
Filing date
Publication date
Application filed by 쓰리엠 이노베이티브 프로퍼티즈 컴파니 filed Critical 쓰리엠 이노베이티브 프로퍼티즈 컴파니
Publication of KR20110019388A publication Critical patent/KR20110019388A/ko
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02B6/0096—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
    • 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

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  • 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)
KR1020107029480A 2008-06-04 2009-06-01 경사형 광원을 갖는 중공 백라이트 Ceased KR20110019388A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5878008P 2008-06-04 2008-06-04
US61/058,780 2008-06-04

Publications (1)

Publication Number Publication Date
KR20110019388A true KR20110019388A (ko) 2011-02-25

Family

ID=40909995

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020107029480A Ceased KR20110019388A (ko) 2008-06-04 2009-06-01 경사형 광원을 갖는 중공 백라이트

Country Status (7)

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

Cited By (8)

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KR20120123888A (ko) * 2011-05-02 2012-11-12 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR20130009344A (ko) * 2011-07-15 2013-01-23 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR20130068653A (ko) * 2011-12-15 2013-06-26 엘지이노텍 주식회사 백라이트 유닛
KR20130104560A (ko) * 2012-03-14 2013-09-25 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
KR20140028429A (ko) * 2012-08-29 2014-03-10 엘지이노텍 주식회사 라이트 유닛 및 그를 이용한 조명 시스템
KR20140066842A (ko) * 2012-11-22 2014-06-02 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
KR20170105277A (ko) * 2016-03-09 2017-09-19 삼성전자주식회사 디스플레이 장치
US10551030B2 (en) 2012-03-14 2020-02-04 Samsung Display Co., Ltd. Display device comprising the same

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TWI448643B (zh) * 2007-05-20 2014-08-11 3M Innovative Properties Co 背光與利用背光之顯示系統
CN101681053B (zh) 2007-05-20 2012-03-21 3M创新有限公司 具有半镜面元件的循环背光源
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JP5989305B2 (ja) * 2011-01-14 2016-09-07 エルジー イノテック カンパニー リミテッド バックライトユニット及びそれを用いたディスプレイ装置
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KR101797599B1 (ko) * 2011-06-30 2017-11-15 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 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
KR102047286B1 (ko) * 2011-10-20 2019-11-21 쓰리엠 이노베이티브 프로퍼티즈 컴파니 경사형 투과 스펙트럼 전방 반사기를 갖는 조명 시스템
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
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
KR102034890B1 (ko) 2012-10-24 2019-10-22 삼성전자주식회사 곡면 디스플레이 장치
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