KR20100021437A - 액정 디스플레이를 위한 백라이트 - Google Patents

액정 디스플레이를 위한 백라이트 Download PDF

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Publication number
KR20100021437A
KR20100021437A KR1020097025481A KR20097025481A KR20100021437A KR 20100021437 A KR20100021437 A KR 20100021437A KR 1020097025481 A KR1020097025481 A KR 1020097025481A KR 20097025481 A KR20097025481 A KR 20097025481A KR 20100021437 A KR20100021437 A KR 20100021437A
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KR
South Korea
Prior art keywords
light
input surface
antireflective
backlight
light input
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.)
Withdrawn
Application number
KR1020097025481A
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English (en)
Korean (ko)
Inventor
존 씨 슐츠
로버트 엘 브롯
마이클 제이 시코라
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.)
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Publication of KR20100021437A publication Critical patent/KR20100021437A/ko
Withdrawn legal-status Critical Current

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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
    • G02B6/0011—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
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
    • 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or 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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
KR1020097025481A 2007-05-18 2008-03-28 액정 디스플레이를 위한 백라이트 Withdrawn KR20100021437A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/750,412 2007-05-18
US11/750,412 US7528893B2 (en) 2007-05-18 2007-05-18 Backlight for liquid crystal display

Publications (1)

Publication Number Publication Date
KR20100021437A true KR20100021437A (ko) 2010-02-24

Family

ID=40027121

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020097025481A Withdrawn KR20100021437A (ko) 2007-05-18 2008-03-28 액정 디스플레이를 위한 백라이트

Country Status (5)

Country Link
US (1) US7528893B2 (enExample)
JP (1) JP5778419B2 (enExample)
KR (1) KR20100021437A (enExample)
TW (1) TW200909940A (enExample)
WO (1) WO2008144109A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8860906B2 (en) 2010-11-01 2014-10-14 Samsung Electronics Co., Ltd. Directional light guide plate, directional surface light source, and three-dimensional image display apparatus employing the directional surface light source
KR20150021936A (ko) * 2012-05-18 2015-03-03 리얼디 인크. 지향성 백라이트에서의 크로스토크 억제

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5243439B2 (ja) * 2006-10-06 2013-07-24 スリーエム イノベイティブ プロパティズ カンパニー 自動立体３ｄディスプレイ装置用のバックライトモジュール及びｌｃｄデバイス用の走査式バックライト
US8520061B2 (en) * 2009-12-14 2013-08-27 3M Innovative Properties Company Zero-D dimming for 3D displays
US8659830B2 (en) * 2009-12-21 2014-02-25 3M Innovative Properties Company Optical films enabling autostereoscopy
US8917447B2 (en) * 2010-01-13 2014-12-23 3M Innovative Properties Company Microreplicated film for attachment to autostereoscopic display components
US8564740B2 (en) * 2010-05-24 2013-10-22 3M Innovative Properties Company Directional backlight with reduced crosstalk
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US20140041205A1 (en) 2010-11-19 2014-02-13 Reald Inc. Method of manufacturing directional backlight apparatus and directional structured optical film
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JP2012221789A (ja) 2011-04-11 2012-11-12 Minebea Co Ltd 面状照明装置
JP6008167B2 (ja) * 2011-05-23 2016-10-19 パナソニックＩｐマネジメント株式会社 配光システム及び立体画像表示装置
JP5769511B2 (ja) * 2011-06-15 2015-08-26 ミネベア株式会社 面状照明装置
TWM417571U (en) 2011-06-29 2011-12-01 Coretronic Corp Backlight module
WO2013028944A1 (en) 2011-08-24 2013-02-28 Reald Inc. Autostereoscopic display with a passive cycloidal diffractive waveplate
US20150268479A1 (en) 2011-11-18 2015-09-24 Reald Inc. Directional backlight
US9188731B2 (en) 2012-05-18 2015-11-17 Reald Inc. Directional backlight
CN104380185B (zh) 2012-05-18 2017-07-28 瑞尔D斯帕克有限责任公司 定向背光源
US9541766B2 (en) 2012-05-18 2017-01-10 Reald Spark, Llc Directional display apparatus
US9235057B2 (en) 2012-05-18 2016-01-12 Reald Inc. Polarization recovery in a directional display device
JP6508832B2 (ja) 2012-05-18 2019-05-08 リアルディー スパーク エルエルシー 指向性バックライトの複数の光源の制御
US9678267B2 (en) 2012-05-18 2017-06-13 Reald Spark, Llc Wide angle imaging directional backlights
WO2013173732A1 (en) 2012-05-18 2013-11-21 Reald Inc. Directionally illuminated waveguide arrangement
US8917441B2 (en) 2012-07-23 2014-12-23 Reald Inc. Observe tracking autostereoscopic display
CN104854864B (zh) 2012-10-02 2017-11-17 瑞尔D斯帕克有限责任公司 具有横向操作模式和纵向操作模式的时间多路复用显示器
WO2014100753A1 (en) 2012-12-21 2014-06-26 Reald Inc. Superlens component for directional display
KR20150120456A (ko) 2013-02-22 2015-10-27 리얼디 인크. 지향성 백라이트
JP2016529764A (ja) 2013-06-17 2016-09-23 リアルディー インコーポレイテッド 指向性バックライトの光源の制御
CN106068533B (zh) 2013-10-14 2019-01-11 瑞尔D斯帕克有限责任公司 定向显示器的控制
KR102366346B1 (ko) 2013-10-14 2022-02-23 리얼디 스파크, 엘엘씨 지향성 백라이트를 위한 광 입력
US9551825B2 (en) 2013-11-15 2017-01-24 Reald Spark, Llc Directional backlights with light emitting element packages
US20150185957A1 (en) * 2013-12-30 2015-07-02 Hannstar Display Corporation Touch naked eyes stereoscopic display
CN103838034A (zh) * 2014-02-07 2014-06-04 京东方科技集团股份有限公司 背光模组以及双视显示装置
US11067736B2 (en) 2014-06-26 2021-07-20 Reald Spark, Llc Directional privacy display
EP3204686B1 (en) 2014-10-08 2019-07-17 RealD Spark, LLC Connection unit for a directional backlight
CN107076886A (zh) 2014-10-23 2017-08-18 康宁股份有限公司 光漫射部件和制造光漫射部件的方法
KR102009921B1 (ko) 2014-12-22 2019-08-12 삼성전자주식회사 무안경 3d 디스플레이용 프리즘 시트, 및 이를 구비한 디스플레이 장치
WO2016105541A1 (en) 2014-12-24 2016-06-30 Reald Inc. Adjustment of perceived roundness in stereoscopic image of a head
RU2596062C1 (ru) 2015-03-20 2016-08-27 Автономная Некоммерческая Образовательная Организация Высшего Профессионального Образования "Сколковский Институт Науки И Технологий" Способ коррекции изображения глаз с использованием машинного обучения и способ машинного обучения
EP3283906B1 (en) 2015-04-13 2020-09-23 RealD Spark, LLC Wide angle imaging directional backlights
JP6515652B2 (ja) * 2015-04-15 2019-05-22 オムロン株式会社 表示装置及び遊技機
WO2016191598A1 (en) 2015-05-27 2016-12-01 Reald Inc. Wide angle imaging directional backlights
US10475418B2 (en) 2015-10-26 2019-11-12 Reald Spark, Llc Intelligent privacy system, apparatus, and method thereof
US10459321B2 (en) 2015-11-10 2019-10-29 Reald Inc. Distortion matching polarization conversion systems and methods thereof
CN108463667B (zh) 2015-11-13 2020-12-01 瑞尔D斯帕克有限责任公司 广角成像定向背光源
WO2017083583A1 (en) 2015-11-13 2017-05-18 Reald Spark, Llc Surface features for imaging directional backlights
EP3400706B1 (en) 2016-01-05 2022-04-13 RealD Spark, LLC Gaze correction of multi-view images
EP3458897B1 (en) 2016-05-19 2025-04-02 RealD Spark, LLC Wide angle imaging directional backlights
WO2017205183A1 (en) 2016-05-23 2017-11-30 Reald Spark, Llc Wide angle imaging directional backlights
CN106054448A (zh) * 2016-06-12 2016-10-26 合肥工业大学 一种背光模组及液晶显示装置
CN110178072B (zh) 2017-01-04 2022-03-11 瑞尔D斯帕克有限责任公司 用于成像定向背光源的光学叠堆
EP3607387A4 (en) 2017-04-03 2020-11-25 RealD Spark, LLC SEGMENTED DIRECTIONAL IMAGING BACKLIGHT
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
CN116841075A (zh) 2017-05-08 2023-10-03 瑞尔D斯帕克有限责任公司 用于定向显示器的光学叠堆
US10303030B2 (en) 2017-05-08 2019-05-28 Reald Spark, Llc Reflective optical stack for privacy display
CN110809732B (zh) 2017-05-08 2025-01-10 瑞尔D斯帕克有限责任公司 用于成像定向背光源的光学叠堆
ES2967691T3 (es) 2017-08-08 2024-05-03 Reald Spark Llc Ajuste de una representación digital de una región de cabeza
TWI878209B (zh) 2017-09-15 2025-04-01 美商瑞爾Ｄ斯帕克有限責任公司 顯示裝置及應用於顯示裝置的視角控制光學元件
US10948648B2 (en) 2017-09-29 2021-03-16 Reald Spark, Llc Backlights having stacked waveguide and optical components with different coefficients of friction
US11115647B2 (en) 2017-11-06 2021-09-07 Reald Spark, Llc Privacy display apparatus
JP7353007B2 (ja) 2018-01-25 2023-09-29 リアルディー スパーク エルエルシー プライバシー表示用タッチスクリーン
AU2019211358B2 (en) 2018-01-25 2024-10-10 Reald Spark, Llc Reflective optical stack for privacy display
JP7495027B2 (ja) 2018-03-22 2024-06-04 リアルディー スパーク エルエルシー 光導波路、バックライト装置およびディスプレイ装置
WO2020005748A1 (en) 2018-06-29 2020-01-02 Reald Spark, Llc Optical stack for privacy display
WO2020018552A1 (en) 2018-07-18 2020-01-23 Reald Spark, Llc Optical stack for switchable directional display
WO2020072643A1 (en) 2018-10-03 2020-04-09 Reald Spark, Llc Privacy display control apparatus
JP7583715B2 (ja) 2018-11-07 2024-11-14 リアルディー スパーク エルエルシー 指向性ディスプレイ装置
US11287677B2 (en) 2019-01-07 2022-03-29 Reald Spark, Llc Optical stack for privacy display
WO2020167680A1 (en) 2019-02-12 2020-08-20 Reald Spark, Llc Diffuser for privacy display
TW202102883A (zh) 2019-07-02 2021-01-16 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
US11099447B2 (en) 2019-08-02 2021-08-24 Reald Spark, Llc Optical stack for privacy display
US11114063B2 (en) 2019-10-02 2021-09-07 Reald Spark, Llc Privacy display apparatus
EP4058830B1 (en) 2019-11-13 2025-01-01 RealD Spark, LLC Display device with uniform off-axis luminance reduction
CN114761844A (zh) 2019-12-10 2022-07-15 瑞尔D斯帕克有限责任公司 显示装置的反射的控制
CN114902093B (zh) 2019-12-18 2025-09-26 瑞尔D斯帕克有限责任公司 用于隐私显示的环境光的控制
WO2021222598A1 (en) 2020-04-30 2021-11-04 Reald Spark, Llc Directional display apparatus
EP4143632A4 (en) 2020-04-30 2024-08-14 RealD Spark, LLC DIRECTIONAL DISPLAY DEVICE
US11237417B2 (en) 2020-04-30 2022-02-01 Reald Spark, Llc Directional display apparatus
TWI898003B (zh) 2020-07-29 2025-09-21 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
WO2022026536A1 (en) 2020-07-29 2022-02-03 Reald Spark, Llc Backlight for switchable directional display
CN116194812A (zh) 2020-09-16 2023-05-30 瑞尔D斯帕克有限责任公司 车辆外部照明装置
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
WO2023154217A1 (en) 2022-02-09 2023-08-17 Reald Spark, Llc Observer-tracked privacy display
EP4505240A1 (en) 2022-04-07 2025-02-12 RealD Spark, LLC Directional display apparatus
WO2024030274A1 (en) 2022-08-02 2024-02-08 Reald Spark, Llc Pupil tracking near-eye display
WO2024035796A1 (en) 2022-08-11 2024-02-15 Reald Spark, Llc Anamorphic directional illumination device
US20240369869A1 (en) 2023-04-25 2024-11-07 Reald Spark, Llc Switchable privacy display
US12393066B2 (en) 2023-08-03 2025-08-19 Reald Spark, Llc Privacy displays

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3064224B2 (ja) * 1995-11-27 2000-07-12 松下電工株式会社 照明装置
JP3461680B2 (ja) * 1997-03-13 2003-10-27 シャープ株式会社 光学素子の製造方法および画像表示装置
KR20000001751A (ko) 1998-06-13 2000-01-15 구자홍 입체화상 표시 장치 및 그 방법
US6377850B1 (en) 2000-03-09 2002-04-23 Wilson Greatbatch Ltd. Fuel gauge for an alkali metal electrochemical cell
JP3930021B2 (ja) 2002-09-19 2007-06-13 三菱電機株式会社 表示装置および表示装置を備えた電子機器
US7224529B2 (en) 2003-09-09 2007-05-29 3M Innovative Properties Company Microreplicated article
JP4412167B2 (ja) * 2004-04-06 2010-02-10 三菱電機株式会社 表示装置
WO2005099421A2 (en) 2004-04-14 2005-10-27 The Trustees Of Princeton University Monolithic wavelength stabilized asymmetric laser
JP2006044075A (ja) * 2004-08-04 2006-02-16 Alps Electric Co Ltd 樹脂製光学部品の製造装置および製造方法と樹脂製光学部品
KR100674759B1 (ko) 2004-12-22 2007-01-25 미쓰비시덴키 가부시키가이샤 표시 장치
KR100813977B1 (ko) 2005-07-08 2008-03-14 삼성전자주식회사 2차원/3차원 영상 호환용 고해상도 입체 영상 디스플레이장치
KR100796591B1 (ko) 2005-08-23 2008-01-21 삼성에스디아이 주식회사 양면형 입체영상 디스플레이 장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8860906B2 (en) 2010-11-01 2014-10-14 Samsung Electronics Co., Ltd. Directional light guide plate, directional surface light source, and three-dimensional image display apparatus employing the directional surface light source
KR20150021936A (ko) * 2012-05-18 2015-03-03 리얼디 인크. 지향성 백라이트에서의 크로스토크 억제

Also Published As

Publication number Publication date
WO2008144109A1 (en) 2008-11-27
TW200909940A (en) 2009-03-01
JP2010528326A (ja) 2010-08-19
JP5778419B2 (ja) 2015-09-16
US20080284945A1 (en) 2008-11-20
US7528893B2 (en) 2009-05-05

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