WO2009072418A1 - 照明装置及び表示装置 - Google Patents

照明装置及び表示装置 Download PDF

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Publication number
WO2009072418A1
WO2009072418A1 PCT/JP2008/071358 JP2008071358W WO2009072418A1 WO 2009072418 A1 WO2009072418 A1 WO 2009072418A1 JP 2008071358 W JP2008071358 W JP 2008071358W WO 2009072418 A1 WO2009072418 A1 WO 2009072418A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
phosphor layer
emitting diode
reduced
view angle
Prior art date
Application number
PCT/JP2008/071358
Other languages
English (en)
French (fr)
Inventor
Tsubasa Tsukahara
Original Assignee
Sony Corporation
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 Sony Corporation filed Critical Sony Corporation
Priority to CN200880118611.9A priority Critical patent/CN101883947B/zh
Priority to US12/734,900 priority patent/US8403512B2/en
Publication of WO2009072418A1 publication Critical patent/WO2009072418A1/ja

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
    • G02B6/0033—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
    • 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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
    • G02B6/0033—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0033—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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)
  • Led Devices (AREA)
  • Liquid Crystal (AREA)

Abstract

【課題】蛍光体層の光出射面での色度分布の視野角依存性を低減することのできる照明装置を提供する。 【解決手段】発光ダイオード１０と蛍光体層２２との間に、蛍光体層２２の光出射面２２ａでの色度分布の視野角依存性が抑制されるように発光ダイオード１０からの放射光を制御する光線制御素子１１を配置する。光線制御素子１１は、発光ダイオード１０からの放射光を、蛍光体層２２の光出射面２２ａに対して垂直または略垂直方向に屈曲して、蛍光体層２２に入射する。これにより、蛍光体層２２の面に対して斜め方向に入射する光が減少し、蛍光体層２２の光出射面２２ａでの色度分布の視野角依存性が低減する。
PCT/JP2008/071358 2007-12-07 2008-11-25 照明装置及び表示装置 WO2009072418A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200880118611.9A CN101883947B (zh) 2007-12-07 2008-11-25 照明装置以及显示装置
US12/734,900 US8403512B2 (en) 2007-12-07 2008-11-25 Illumination apparatus and display apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007317568A JP5211667B2 (ja) 2007-12-07 2007-12-07 照明装置及び表示装置
JP2007-317568 2007-12-07

Publications (1)

Publication Number Publication Date
WO2009072418A1 true WO2009072418A1 (ja) 2009-06-11

Family

ID=40717600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/071358 WO2009072418A1 (ja) 2007-12-07 2008-11-25 照明装置及び表示装置

Country Status (4)

Country Link
US (1) US8403512B2 (ja)
JP (1) JP5211667B2 (ja)
CN (1) CN101883947B (ja)
WO (1) WO2009072418A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
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JP2014209465A (ja) * 2013-03-27 2014-11-06 三京化成工業株式会社 面光源およびその製法

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US9921428B2 (en) 2006-04-18 2018-03-20 Cree, Inc. Light devices, display devices, backlighting devices, edge-lighting devices, combination backlighting and edge-lighting devices
KR20110080514A (ko) * 2010-01-06 2011-07-13 엘지이노텍 주식회사 백라이트 유닛 및 이를 이용한 디스플레이 장치
US20140085570A1 (en) * 2011-05-31 2014-03-27 Mitsubishi Electric Corporation Backlight and liquid crystal display device
JP5373859B2 (ja) 2011-07-05 2013-12-18 デクセリアルズ株式会社 照明装置
GB201116517D0 (en) * 2011-09-23 2011-11-09 Nanoco Technologies Ltd Semiconductor nanoparticle based light emitting materials
BR112014008846A2 (pt) * 2011-10-14 2017-04-25 3M Innovative Properties Co conjunto de lente para dispositivo de led de fósforo remoto, e método de fabricação de um dispositivo de led de fósforo remoto
US9784418B2 (en) * 2012-08-24 2017-10-10 Philips Lighting Holding B.V. Lighting device
WO2014102341A1 (en) * 2012-12-31 2014-07-03 Iee International Electronics & Engineering S.A. Optical system generating a structured light field from an array of light sources by meand of a refracting or reflecting light structuring element
JP2016529530A (ja) * 2013-04-25 2016-09-23 東友ファインケム株式会社Ｄｏｎｇｗｏｏ Ｆｉｎｅ−Ｃｈｅｍ Ｃｏ．， Ｌｔｄ． 光学積層体
JP6119490B2 (ja) 2013-07-31 2017-04-26 ソニー株式会社 光源装置、および表示装置
JP2015076585A (ja) * 2013-10-11 2015-04-20 住友電工プリントサーキット株式会社 Ｌｅｄモジュール及びｌｅｄ照明器具
CN103672618A (zh) * 2013-12-13 2014-03-26 京东方科技集团股份有限公司 一种激光光源及显示装置
JP6043868B2 (ja) * 2014-03-07 2016-12-14 堺ディスプレイプロダクト株式会社 表示装置
TW201537108A (zh) * 2014-03-26 2015-10-01 鴻海精密工業股份有限公司 發光二極體裝置
JP6021967B2 (ja) * 2014-04-21 2016-11-09 キヤノン株式会社 光源装置及び画像表示装置
JP2016046239A (ja) * 2014-08-20 2016-04-04 富士フイルム株式会社 バックライトユニットおよび液晶表示装置
CN204422930U (zh) * 2015-03-13 2015-06-24 合肥京东方显示光源有限公司 一种直下式背光模组及显示装置
TWI539209B (zh) * 2015-04-09 2016-06-21 友達光電股份有限公司 背光模組
JP6212510B2 (ja) * 2015-04-17 2017-10-11 株式会社恵南電機 発光構造体
FR3041203B1 (fr) * 2015-09-14 2019-11-29 Valeo Vision Gestion de puissance d'une source lumineuse led a micro- ou nano-fils
JP6092446B1 (ja) 2015-10-23 2017-03-08 デクセリアルズ株式会社 部分駆動型光源装置及びそれを用いた画像表示装置
JP6442423B2 (ja) * 2015-12-22 2018-12-19 富士フイルム株式会社 照明装置
WO2017110737A1 (ja) * 2015-12-22 2017-06-29 富士フイルム株式会社 照明装置
CN105629558A (zh) * 2016-01-11 2016-06-01 武汉华星光电技术有限公司 一种具有反射区的液晶显示装置
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JP2005115372A (ja) * 2003-10-03 2005-04-28 Lumileds Lighting Us Llc Ｌｅｄの二次元アレイを用いるｌｃｄバックライト
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Publication number Priority date Publication date Assignee Title
JP2014209465A (ja) * 2013-03-27 2014-11-06 三京化成工業株式会社 面光源およびその製法

Also Published As

Publication number Publication date
CN101883947B (zh) 2014-11-19
US8403512B2 (en) 2013-03-26
JP2009140829A (ja) 2009-06-25
JP5211667B2 (ja) 2013-06-12
CN101883947A (zh) 2010-11-10
US20100238648A1 (en) 2010-09-23

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