TW200734749A - Surface light source device and display device - Google Patents

Surface light source device and display device

Info

Publication number
TW200734749A
TW200734749A TW096102918A TW96102918A TW200734749A TW 200734749 A TW200734749 A TW 200734749A TW 096102918 A TW096102918 A TW 096102918A TW 96102918 A TW96102918 A TW 96102918A TW 200734749 A TW200734749 A TW 200734749A
Authority
TW
Taiwan
Prior art keywords
emergence
light
light guiding
light source
area
Prior art date
Application number
TW096102918A
Other languages
English (en)
Inventor
Masao Yamaguchi
Original Assignee
Enplas Corp
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 Enplas Corp filed Critical Enplas Corp
Publication of TW200734749A publication Critical patent/TW200734749A/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • G02B6/0066—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
    • 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
    • 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
    • G02B6/0028—Light guide, e.g. taper
    • 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
TW096102918A 2006-01-27 2007-01-26 Surface light source device and display device TW200734749A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006019090 2006-01-27
JP2006174600 2006-06-23

Publications (1)

Publication Number Publication Date
TW200734749A true TW200734749A (en) 2007-09-16

Family

ID=38309244

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096102918A TW200734749A (en) 2006-01-27 2007-01-26 Surface light source device and display device

Country Status (5)

Country Link
US (1) US20100271838A1 (zh)
JP (1) JPWO2007086456A1 (zh)
KR (1) KR20080090961A (zh)
TW (1) TW200734749A (zh)
WO (1) WO2007086456A1 (zh)

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EP2336630A4 (en) * 2008-09-30 2012-05-30 Sharp Kk LIGHTING DEVICE, PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
WO2010073820A1 (ja) * 2008-12-26 2010-07-01 シャープ株式会社 光源ユニット、照明装置、表示装置およびテレビ受信装置
IT1399180B1 (it) 2009-06-12 2013-04-11 Sharp Kk Simulatore solare
US20120105508A1 (en) * 2009-10-20 2012-05-03 Sharp Kabushiki Kaisha Backlight device, image display apparatus comprising same, and driving method
KR101028210B1 (ko) * 2010-03-26 2011-04-11 엘지이노텍 주식회사 도광판 및 이를 구비한 백라이트 유닛
JP2011258532A (ja) * 2010-06-11 2011-12-22 Omron Corp 面光源装置及び立体表示装置
KR101833969B1 (ko) 2011-01-03 2018-04-16 엘지디스플레이 주식회사 양방향 액정표시장치
JP5832241B2 (ja) * 2011-10-28 2015-12-16 スタンレー電気株式会社 導光板を用いた車両用灯具
US9188731B2 (en) * 2012-05-18 2015-11-17 Reald Inc. Directional backlight
TWI636283B (zh) 2012-05-18 2018-09-21 美商瑞爾Ｄ斯帕克有限責任公司 定向背光源、定向顯示裝置及其光源陣列的控制方法
US9709723B2 (en) 2012-05-18 2017-07-18 Reald Spark, Llc Directional backlight
AU2014218711A1 (en) 2013-02-22 2015-09-10 Reald Spark, Llc Directional backlight
JP5564596B1 (ja) * 2013-03-26 2014-07-30 シャープ株式会社 照明システム
JP5564594B1 (ja) * 2013-03-25 2014-07-30 シャープ株式会社 照明システム
WO2014157199A1 (ja) * 2013-03-25 2014-10-02 シャープ株式会社 照明システム
JP5564595B1 (ja) * 2013-03-25 2014-07-30 シャープ株式会社 照明システム
US9739928B2 (en) 2013-10-14 2017-08-22 Reald Spark, Llc Light input for directional backlight
JP6310683B2 (ja) * 2013-11-22 2018-04-11 株式会社ｎｉｔｔｏｈ 導光板、照明装置
JP6586950B2 (ja) * 2014-03-20 2019-10-09 ソニー株式会社 発光装置および表示装置
WO2015153329A2 (en) 2014-04-01 2015-10-08 3M Innovative Properties Company Asymmetric turning film with multiple light sources
WO2016057690A1 (en) 2014-10-08 2016-04-14 Reald Inc. Directional backlight
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
EP3779527A1 (en) 2015-04-13 2021-02-17 RealD Spark, LLC Wide angle imaging directional backlights
KR102347472B1 (ko) * 2015-07-27 2022-01-05 엘지디스플레이 주식회사 양면 표시장치 및 그를 위한 백라이트 유닛
CN108463787B (zh) 2016-01-05 2021-11-30 瑞尔D斯帕克有限责任公司 多视角图像的注视校正
US20170240103A1 (en) * 2016-02-23 2017-08-24 Motus Integrated Technologies Vehicle sun visor assembly having an electrical system
WO2017200950A1 (en) 2016-05-19 2017-11-23 Reald Spark, Llc Wide angle imaging directional backlights
CN109496258A (zh) 2016-05-23 2019-03-19 瑞尔D斯帕克有限责任公司 广角成像定向背光源
CN106019708A (zh) * 2016-07-15 2016-10-12 京东方科技集团股份有限公司 背光模组以及包括这样的背光模组的透明显示装置
CN106125189B (zh) * 2016-08-30 2019-11-22 京东方科技集团股份有限公司 一种背光模组及其控制方法、显示装置
US10401638B2 (en) 2017-01-04 2019-09-03 Reald Spark, Llc Optical stack for imaging directional backlights
US10408992B2 (en) 2017-04-03 2019-09-10 Reald Spark, Llc Segmented imaging directional backlights
WO2019032604A1 (en) 2017-08-08 2019-02-14 Reald Spark, Llc ADJUSTING A DIGITAL REPRESENTATION OF A HEADQUARTERS
US11109014B2 (en) 2017-11-06 2021-08-31 Reald Spark, Llc Privacy display apparatus
WO2019147771A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Touch screen for privacy display
CN112305811A (zh) * 2019-07-31 2021-02-02 京东方科技集团股份有限公司 透明显示装置和背光模组
WO2022060673A1 (en) 2020-09-16 2022-03-24 Reald Spark, Llc Vehicle external illumination device
WO2024030274A1 (en) 2022-08-02 2024-02-08 Reald Spark, Llc Pupil tracking near-eye display

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JPH08240721A (ja) * 1995-03-02 1996-09-17 Meitaku Syst:Kk 照明輝度調節可能な液晶バックライト
JP4360701B2 (ja) * 1998-06-19 2009-11-11 日本ライツ株式会社 平面照明装置
TW514709B (en) * 2000-05-04 2002-12-21 Koninkl Philips Electronics Nv Illumination system and display device
JP2001357710A (ja) * 2000-06-15 2001-12-26 Minebea Co Ltd 面状照明装置
JP2002352616A (ja) * 2001-05-29 2002-12-06 Enplas Corp 面光源装置及び画像表示装置
JP4814452B2 (ja) * 2001-08-22 2011-11-16 日東電工株式会社 液晶表示装置
JP2004342454A (ja) * 2003-05-15 2004-12-02 Sharp Corp 発光装置及びこの発光装置を用いた表示装置

Also Published As

Publication number Publication date
JPWO2007086456A1 (ja) 2009-06-18
US20100271838A1 (en) 2010-10-28
KR20080090961A (ko) 2008-10-09
WO2007086456A1 (ja) 2007-08-02

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