TW200506464A - Backlight assembly providing light in multiple directions and display device employing the same - Google Patents

Backlight assembly providing light in multiple directions and display device employing the same

Info

Publication number
TW200506464A
TW200506464A TW093103203A TW93103203A TW200506464A TW 200506464 A TW200506464 A TW 200506464A TW 093103203 A TW093103203 A TW 093103203A TW 93103203 A TW93103203 A TW 93103203A TW 200506464 A TW200506464 A TW 200506464A
Authority
TW
Taiwan
Prior art keywords
light
light guide
guide plate
display device
backlight assembly
Prior art date
Application number
TW093103203A
Other languages
English (en)
Inventor
Jeong-Seok Oh
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200506464A publication Critical patent/TW200506464A/zh

Links

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
    • G02B6/0011—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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package
    • 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
    • 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
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays

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)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
TW093103203A 2003-08-01 2004-02-11 Backlight assembly providing light in multiple directions and display device employing the same TW200506464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030053509A KR101016564B1 (ko) 2003-08-01 2003-08-01 양방향 백라이트 어셈블리 및 이를 이용한 양방향액정표시장치

Publications (1)

Publication Number Publication Date
TW200506464A true TW200506464A (en) 2005-02-16

Family

ID=34101821

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093103203A TW200506464A (en) 2003-08-01 2004-02-11 Backlight assembly providing light in multiple directions and display device employing the same

Country Status (5)

Country Link
US (1) US7033034B2 (zh)
JP (1) JP2005056828A (zh)
KR (1) KR101016564B1 (zh)
CN (1) CN1580892B (zh)
TW (1) TW200506464A (zh)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100887635B1 (ko) * 2002-09-26 2009-03-11 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
JP4379786B2 (ja) * 2003-11-11 2009-12-09 株式会社エンプラス 面光源装置
JP2005156932A (ja) * 2003-11-26 2005-06-16 Optrex Corp 液晶表示装置、それを用いた情報処理装置及び携帯電話機
US7278770B2 (en) * 2005-08-10 2007-10-09 Safe Fire Protection Equipment Double-sided light box
KR100719658B1 (ko) * 2005-11-17 2007-05-17 삼성에스디아이 주식회사 휴대용 표시장치
TWI321694B (en) * 2005-12-23 2010-03-11 Innolux Display Corp Backlight module and liquid crystal display module
TWI308244B (en) * 2006-04-07 2009-04-01 Innolux Display Corp Double-sided liquid crystal display device
JP2008130248A (ja) * 2006-11-16 2008-06-05 Enplas Corp 面光源装置及びこれを備えた表示装置
JP5313235B2 (ja) * 2007-05-10 2013-10-09 コーニンクレッカ フィリップス エヌ ヴェ 照明デバイス
TWI413951B (zh) * 2008-05-20 2013-11-01 Lextar Electronics Corp 影像顯示裝置
TW201017239A (en) * 2008-10-22 2010-05-01 Nano Prec Corp Light guide plate and backlight module
US9743486B2 (en) * 2009-10-30 2017-08-22 E Ink Holdings Inc. Electronic device
EP2413169A1 (en) * 2010-07-30 2012-02-01 Hansol Technics Inc. Backlight unit having dual display function
KR101833969B1 (ko) 2011-01-03 2018-04-16 엘지디스플레이 주식회사 양방향 액정표시장치
CN102800284B (zh) * 2011-05-24 2014-12-31 联想(北京)有限公司 双面显示器及电子设备
CN102881229B (zh) 2011-07-12 2015-01-28 联想(北京)有限公司 显示模组及电子终端
CN103366684B (zh) * 2012-04-06 2016-03-30 联想(北京)有限公司 终端设备以及显示控制方法
KR102479097B1 (ko) * 2015-08-27 2022-12-20 삼성디스플레이 주식회사 표시장치
JP6866704B2 (ja) * 2017-03-14 2021-04-28 オムロン株式会社 表示装置
JP2019209870A (ja) * 2018-06-06 2019-12-12 スタンレー電気株式会社 車両用装飾部品

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276591A (en) * 1992-07-23 1994-01-04 William Hegarty Sign with indirect illumination from light emitting diodes
JP3530876B2 (ja) * 1997-04-16 2004-05-24 ミノルタ株式会社 面発光装置、フィルム画像再生装置及び撮影画像確認装置
JP3760900B2 (ja) * 2001-09-06 2006-03-29 セイコーエプソン株式会社 導光装置、電気光学装置及び電子機器
JP2003222863A (ja) * 2002-01-31 2003-08-08 Optrex Corp 液晶表示素子
TWI308239B (en) * 2002-10-25 2009-04-01 Toppoly Optoelectronics Corp Light module and flat panel display including the light module
KR100953424B1 (ko) * 2003-06-26 2010-04-19 삼성전자주식회사 양방향 백라이트 어셈블리 및 이를 이용한 양방향액정표시장치

Also Published As

Publication number Publication date
KR20050015045A (ko) 2005-02-21
KR101016564B1 (ko) 2011-02-22
US20050024844A1 (en) 2005-02-03
CN1580892B (zh) 2011-03-23
CN1580892A (zh) 2005-02-16
JP2005056828A (ja) 2005-03-03
US7033034B2 (en) 2006-04-25

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