TW200606530A - Backlight assembly and display device having the same - Google Patents

Backlight assembly and display device having the same

Info

Publication number
TW200606530A
TW200606530A TW094109037A TW94109037A TW200606530A TW 200606530 A TW200606530 A TW 200606530A TW 094109037 A TW094109037 A TW 094109037A TW 94109037 A TW94109037 A TW 94109037A TW 200606530 A TW200606530 A TW 200606530A
Authority
TW
Taiwan
Prior art keywords
display device
backlight assembly
light
luminance uniformity
same
Prior art date
Application number
TW094109037A
Other languages
English (en)
Inventor
Heu-Gon Kim
Hea-Chun Lee
Jae-Ho Jung
Ju-Hwa Ha
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 TW200606530A publication Critical patent/TW200606530A/zh

Links

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
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
TW094109037A 2004-06-21 2005-03-24 Backlight assembly and display device having the same TW200606530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040046224A KR20050121076A (ko) 2004-06-21 2004-06-21 백라이트 어셈블리 및 이를 이용한 표시장치

Publications (1)

Publication Number Publication Date
TW200606530A true TW200606530A (en) 2006-02-16

Family

ID=35480176

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094109037A TW200606530A (en) 2004-06-21 2005-03-24 Backlight assembly and display device having the same

Country Status (5)

Country Link
US (1) US20050280756A1 (zh)
JP (1) JP2006012818A (zh)
KR (1) KR20050121076A (zh)
CN (1) CN1713051A (zh)
TW (1) TW200606530A (zh)

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US7628502B2 (en) * 2005-09-22 2009-12-08 Dai Nippon Printing Co., Ltd. Light controlling sheet and surface light source device
TWI421438B (zh) 2005-12-21 2014-01-01 克里公司 照明裝置
CN100451769C (zh) * 2005-12-28 2009-01-14 光远科技股份有限公司 高均匀化的超薄液晶显示器背光装置
KR100764368B1 (ko) * 2006-01-11 2007-10-08 삼성전기주식회사 광 혼합 성능이 향상된 백 라이트 유니트
US7478930B2 (en) * 2006-01-12 2009-01-20 Samsung Corning Precision Glass Co., Ltd. Backlight unit with an oxide compound-laminated optical layer
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JP4280283B2 (ja) * 2006-01-27 2009-06-17 株式会社オプトデザイン 面照明光源装置及びこれを用いた面照明装置
KR20070079649A (ko) * 2006-02-03 2007-08-08 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시 장치
US7777166B2 (en) 2006-04-21 2010-08-17 Cree, Inc. Solid state luminaires for general illumination including closed loop feedback control
EP2021688B1 (en) 2006-05-05 2016-04-27 Cree, Inc. Lighting device
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JP2008122499A (ja) * 2006-11-09 2008-05-29 Sony Corp 面状光源装置及び液晶表示装置組立体
KR101089483B1 (ko) * 2007-03-13 2011-12-02 다이니폰 인사츠 가부시키가이샤 광학부재, 면광원장치 및 액정표시장치
CN101681057B (zh) 2007-05-20 2012-07-04 3M创新有限公司 光循环型薄壁中空腔体背光源
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
US9028108B2 (en) 2007-05-20 2015-05-12 3M Innovative Properties Company Collimating light injectors for edge-lit backlights
JP5336475B2 (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 光リサイクリング中空キャビティー型ディスプレイ・バックライト
JP5119379B2 (ja) * 2007-06-01 2013-01-16 株式会社オプトデザイン 面照明光源装置及び面照明装置
JP4764962B2 (ja) * 2007-06-22 2011-09-07 株式会社オプトデザイン 面照明光源装置及び面照明装置
US8123384B2 (en) 2007-07-17 2012-02-28 Cree, Inc. Optical elements with internal optical features and methods of fabricating same
JP4538675B2 (ja) * 2007-10-26 2010-09-08 株式会社オプトデザイン 面照明ユニット、面照明光源装置、および面照明装置
US8848132B2 (en) 2008-02-07 2014-09-30 3M Innovative Properties Company Hollow backlight with structured films
CN101952646B (zh) 2008-02-22 2014-01-29 3M创新有限公司 具有选定的输出光通量分布的背光源及使用该背光源的显示系统
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JP5390604B2 (ja) * 2008-06-13 2014-01-15 スリーエム イノベイティブ プロパティズ カンパニー コリメート光エンジン
EP2300870A4 (en) * 2008-06-13 2012-03-07 3M Innovative Properties Co LIGHTING ARRANGEMENT WITH PROGRESSIVE INJECTION
US8240875B2 (en) 2008-06-25 2012-08-14 Cree, Inc. Solid state linear array modules for general illumination
KR20100121138A (ko) * 2009-05-08 2010-11-17 (주)탑나노시스 Ｌｅｄ 백라이트 유닛
US9322973B2 (en) * 2009-07-16 2016-04-26 Koninklijke Philips N.V. Lighting device with light sources positioned near the bottom surface of a waveguide
CN102483544B (zh) 2009-09-11 2015-08-12 杜比实验室特许公司 具有并入了反射层的背光的显示器
CN102576134B (zh) * 2009-09-16 2015-07-22 皇家飞利浦电子股份有限公司 光学元件
US8355093B2 (en) * 2010-03-16 2013-01-15 Lg Electronics Inc. Backlight unit and display device
JP5433860B2 (ja) 2010-06-25 2014-03-05 株式会社オプトデザイン 照明装置
JP5842274B2 (ja) 2011-06-09 2016-01-13 株式会社オプトデザイン 照明装置
US20150309247A1 (en) * 2012-11-28 2015-10-29 Konica Minolta, Inc. Illumination apparatus
CN104124239A (zh) * 2013-04-29 2014-10-29 展晶科技(深圳)有限公司 发光二极管模组
TWI510841B (zh) * 2013-07-23 2015-12-01 Au Optronics Corp 顯示裝置
JP6045725B2 (ja) * 2014-01-02 2016-12-14 フィリップス ライティング ホールディング ビー ヴィ 発光モジュール
KR102236710B1 (ko) * 2014-04-10 2021-04-06 엘지이노텍 주식회사 광학 부재, 및 이를 포함하는 백라이트 유닛
US20160230955A1 (en) * 2014-05-27 2016-08-11 El Lighting Co., LTD. Optical module
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JP6299811B2 (ja) * 2015-11-04 2018-03-28 日亜化学工業株式会社 発光装置
JP6254666B2 (ja) * 2016-11-28 2017-12-27 シャープ株式会社 面光源装置及び液晶表示装置
CN110199222B (zh) * 2017-01-31 2022-03-04 夏普株式会社 照明装置及显示装置
CN108227302A (zh) * 2018-01-02 2018-06-29 联想(北京)有限公司 显示屏
US11112652B2 (en) * 2018-12-11 2021-09-07 Lg Display Co., Ltd. Backlight unit and display device including the same technical field
CN109407407B (zh) * 2018-12-21 2021-10-22 厦门天马微电子有限公司 显示装置
CN109946882B (zh) * 2019-04-25 2022-01-11 京东方科技集团股份有限公司 一种背光源及其制备方法和背光模组
KR20210004019A (ko) * 2019-07-03 2021-01-13 엘지디스플레이 주식회사 색변환 시트, 백라이트 유닛 및 디스플레이 장치
KR102676849B1 (ko) * 2019-09-30 2024-06-21 삼성전자주식회사 디스플레이 장치, 디스플레이 장치 제조방법 및 백 라이트 유닛
KR20220011013A (ko) 2020-07-20 2022-01-27 삼성전자주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
CN113238409A (zh) * 2021-05-27 2021-08-10 业成科技（成都）有限公司 光源结构、背光模组以及显示装置
KR20230001818A (ko) * 2021-06-29 2023-01-05 삼성전자주식회사 디스플레이 장치
CN116964520A (zh) 2021-06-29 2023-10-27 三星电子株式会社 显示装置

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Also Published As

Publication number Publication date
CN1713051A (zh) 2005-12-28
KR20050121076A (ko) 2005-12-26
JP2006012818A (ja) 2006-01-12
US20050280756A1 (en) 2005-12-22

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