KR20170015300A - 비대칭적 터닝 필름을 갖는 시간 다중화 백라이트 - Google Patents

비대칭적 터닝 필름을 갖는 시간 다중화 백라이트 Download PDF

Info

Publication number
KR20170015300A
KR20170015300A KR1020167033222A KR20167033222A KR20170015300A KR 20170015300 A KR20170015300 A KR 20170015300A KR 1020167033222 A KR1020167033222 A KR 1020167033222A KR 20167033222 A KR20167033222 A KR 20167033222A KR 20170015300 A KR20170015300 A KR 20170015300A
Authority
KR
South Korea
Prior art keywords
light source
display device
state
light
liquid crystal
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Withdrawn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
KR1020167033222A
Other languages
English (en)
Korean (ko)
Inventor
니콜라스 에이 존슨
케네스 에이 엡스타인
제임스 엠 힐리스
마이클 이 로터스
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 KR20170015300A publication Critical patent/KR20170015300A/ko
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • G02B30/60—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images involving reflecting prisms and mirrors only
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from 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
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0033—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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G02F2001/133607—
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
    • H04N2013/0463—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N2013/40—Privacy aspects, i.e. devices showing different images to different viewers, the images not being viewpoints of the same scene
    • H04N2013/403—Privacy aspects, i.e. devices showing different images to different viewers, the images not being viewpoints of the same scene the images being monoscopic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
KR1020167033222A 2014-05-30 2015-05-18 비대칭적 터닝 필름을 갖는 시간 다중화 백라이트 Withdrawn KR20170015300A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462005420P 2014-05-30 2014-05-30
US62/005,420 2014-05-30
PCT/US2015/031317 WO2015183604A1 (en) 2014-05-30 2015-05-18 Temporally multiplexing backlight with asymmetric turning film

Publications (1)

Publication Number Publication Date
KR20170015300A true KR20170015300A (ko) 2017-02-08

Family

ID=53284571

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167033222A Withdrawn KR20170015300A (ko) 2014-05-30 2015-05-18 비대칭적 터닝 필름을 갖는 시간 다중화 백라이트

Country Status (6)

Country Link
US (1) US10388230B2 (enExample)
JP (1) JP6656234B2 (enExample)
KR (1) KR20170015300A (enExample)
CN (1) CN106462004B (enExample)
TW (1) TW201617703A (enExample)
WO (1) WO2015183604A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112817175A (zh) * 2016-11-03 2021-05-18 3M创新有限公司 具有非对称转向膜的多路复用背光源
US10347193B2 (en) * 2017-06-23 2019-07-09 Blackberry Limited Electronic device including display and method of applying privacy filter
EP3561553A1 (en) * 2018-04-25 2019-10-30 Koninklijke Philips N.V. Laser arrangement with reduced scattering loss
US10488706B1 (en) 2018-05-28 2019-11-26 Wuhan China Star Optoelectronics Technology Co., Ltd. Backlight module having a substrate, plurality of light sources, diffusion film and brightness enhancement film disposed on the substrate
CN108732817A (zh) * 2018-05-28 2018-11-02 武汉华星光电技术有限公司 背光模组及显示装置
TWI826042B (zh) * 2022-10-12 2023-12-11 達運精密工業股份有限公司 可切換式背光模組

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3585781B2 (ja) * 1999-08-31 2004-11-04 株式会社東芝 立体表示装置
US6342981B1 (en) 1999-09-21 2002-01-29 Rose Research, Llc Zero-displacement phase retarder device and method
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
JP4507379B2 (ja) 2000-10-02 2010-07-21 ソニー株式会社 Ｃｍｏｓ集積回路の良品判定方法
US6867928B2 (en) * 2002-08-01 2005-03-15 Jenmar Visual Systems Method and apparatus for correcting visual aberrations in image projection systems
CN100504464C (zh) 2002-08-09 2009-06-24 三菱丽阳株式会社 面光源装置
JP2004077632A (ja) 2002-08-13 2004-03-11 Mitsubishi Chemicals Corp プリズムシート
US7210836B2 (en) * 2002-09-19 2007-05-01 Mitsubishi Denki Kabushiki Kaisha Display unit and electronic apparatus with display unit
JP4019886B2 (ja) 2002-09-30 2007-12-12 オムロン株式会社 光学フィルム、面光源装置及び液晶表示装置
JP4544517B2 (ja) * 2003-07-15 2010-09-15 三菱レイヨン株式会社 光源装置
US7530719B2 (en) 2003-07-15 2009-05-12 Tomoyoshi Yamashita Light source device and light deflection element
JP2005062692A (ja) * 2003-08-19 2005-03-10 Internatl Business Mach Corp <Ibm> カラー表示装置、光学素子、およびカラー表示装置の製造方法
JP2005235661A (ja) 2004-02-20 2005-09-02 Citizen Electronics Co Ltd バックライト
KR101114854B1 (ko) 2004-12-24 2012-03-07 엘지디스플레이 주식회사 배광장치
US20060204676A1 (en) * 2005-03-11 2006-09-14 Jones Clinton L Polymerizable composition comprising low molecular weight organic component
JP4962884B2 (ja) * 2006-06-06 2012-06-27 三国電子有限会社 面光源装置ならびにプリズムシートと液晶表示装置
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
US7762676B2 (en) * 2006-10-17 2010-07-27 Sharp Laboratories Of America, Inc. Methods and systems for multi-view display privacy
JP5093717B2 (ja) * 2006-10-23 2012-12-12 Ｎｌｔテクノロジー株式会社 光学素子およびこれを用いた照明光学装置、表示装置、電子機器
JP2008177070A (ja) 2007-01-19 2008-07-31 Sony Corp 光制御素子、面光源装置および液晶表示装置
KR20080077338A (ko) * 2007-02-19 2008-08-22 미쓰비시덴키 가부시키가이샤 백라이트 장치 및 투과형 표시 장치
JP4780081B2 (ja) * 2007-02-19 2011-09-28 三菱電機株式会社 バックライト装置および透過型表示装置
KR100838322B1 (ko) 2007-03-28 2008-06-13 제일모직주식회사 비대칭전면프리즘을 구비하는 액정표시장치 백라이트유닛용 도광판
JP2008305728A (ja) 2007-06-08 2008-12-18 Sharp Corp 導光体および面発光装置
TWM331676U (en) 2007-08-22 2008-05-01 Wellstech Optical Co Ltd Optical film
JP2009093989A (ja) 2007-10-11 2009-04-30 Omron Corp 面光源装置及び液晶表示装置
CN101576683A (zh) * 2008-05-08 2009-11-11 奇美电子股份有限公司 显示装置
CN101545600A (zh) * 2009-04-30 2009-09-30 天马微电子股份有限公司 背光模组及其控制方法和液晶显示装置及其控制方法
SG181652A1 (en) 2009-12-17 2012-07-30 3M Innovative Properties Co Light redirecting film laminate
JP6054747B2 (ja) 2009-12-17 2016-12-27 スリーエム イノベイティブ プロパティズ カンパニー 光方向転換構成体
TW201131209A (en) 2010-03-10 2011-09-16 Core Flex Optical Suzhou Co Ltd Beam splitting film, backlight module, and stereo display apparatus
JP5589674B2 (ja) 2010-08-23 2014-09-17 大日本印刷株式会社 面光源装置、透過型表示装置
CN102384402A (zh) * 2010-08-31 2012-03-21 中强光电股份有限公司 背光模块及具有所述背光模块的显示装置
EP2431786A1 (de) 2010-09-17 2012-03-21 Bayer MaterialScience AG Autostereoskopisches 3D-Display
CN102011981B (zh) 2010-09-27 2012-06-27 友达光电股份有限公司 可切换视角的显示器及其背光模块
JP5278412B2 (ja) 2010-11-17 2013-09-04 オムロン株式会社 面光源装置及び立体表示装置
KR101279979B1 (ko) 2010-11-23 2013-07-05 제일모직주식회사 무안경 3차원 디스플레이
US8988336B2 (en) 2010-12-16 2015-03-24 3M Innovative Properties Company Dual-orientation autostereoscopic backlight and display
US9244284B2 (en) 2011-03-15 2016-01-26 3M Innovative Properties Company Microreplicated film for autostereoscopic displays
JP2012215666A (ja) * 2011-03-31 2012-11-08 Panasonic Corp 画像表示装置、これを用いたコンピュータ装置
JP2012242574A (ja) * 2011-05-19 2012-12-10 Stanley Electric Co Ltd 液晶素子及び立体表示装置
JP5810632B2 (ja) 2011-05-27 2015-11-11 日産自動車株式会社 非接触給電装置
CN103562618B (zh) 2011-05-31 2015-09-30 三菱电机株式会社 背光装置及液晶显示装置
WO2013012865A2 (en) 2011-07-19 2013-01-24 3M Innovative Properties Company Multiple sequenced daylight redirecting layers
JP6377887B2 (ja) 2012-02-17 2018-08-22 学校法人慶應義塾 液晶表示装置
TWI481932B (zh) * 2012-06-26 2015-04-21 Au Optronics Corp 顯示裝置及組合成之顯示系統
SG11201608201PA (en) 2014-04-01 2016-10-28 3M Innovative Properties Co Asymmetric turning film with multiple light sources

Also Published As

Publication number Publication date
US20170116930A1 (en) 2017-04-27
JP6656234B2 (ja) 2020-03-04
CN106462004B (zh) 2019-08-30
US10388230B2 (en) 2019-08-20
JP2017520102A (ja) 2017-07-20
CN106462004A (zh) 2017-02-22
TW201617703A (zh) 2016-05-16
WO2015183604A1 (en) 2015-12-03

Similar Documents

Publication Publication Date Title
TWI728289B (zh) 可切換模式的背光板、顯示器及方法
KR102759511B1 (ko) 지향성 백라이트용 광학 도파관
KR102632185B1 (ko) 시간 다중화 백라이트, 멀티뷰 디스플레이 및 방법
US9250448B2 (en) Segmented directional backlight and related methods of backlight illumination
KR102617760B1 (ko) 지향성 백라이트
US20200096694A1 (en) Wide angle imaging directional backlights
US9709723B2 (en) Directional backlight
KR20170015300A (ko) 비대칭적 터닝 필름을 갖는 시간 다중화 백라이트
US11585966B2 (en) Multiplexing backlight with asymmetric turning film
JP2018205414A (ja) 光学構造体、表示装置
US11719875B2 (en) Light source module
TW201232122A (en) Backlight device with angle adjustment
CN1729702B (zh) 用于二维或三维显示的装置
JP2020013067A (ja) 光学構造体および表示装置
US20140104880A1 (en) Light-emitting module and display apparatus
CN104122688B (zh) 一种显示系统
Wang et al. Convertible 2D-3D display using an edge-lit light guide plate based on integral imaging
WO2012174132A2 (en) Segmented directional backlight and related methods of backlight illumination
Eichenlaub et al. Reduced-thickness backlighter for autostereoscopic display and display using the backlighter
JP2013109906A (ja) 照明ユニット、導光体、および表示装置

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20161128

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination