TW200923248A - Array of planar light source elements - Google Patents

Array of planar light source elements Download PDF

Info

Publication number
TW200923248A
TW200923248A TW097138810A TW97138810A TW200923248A TW 200923248 A TW200923248 A TW 200923248A TW 097138810 A TW097138810 A TW 097138810A TW 97138810 A TW97138810 A TW 97138810A TW 200923248 A TW200923248 A TW 200923248A
Authority
TW
Taiwan
Prior art keywords
light
light source
light guide
array
emitting
Prior art date
Application number
TW097138810A
Other languages
English (en)
Chinese (zh)
Inventor
Koji Abe
Tatsuo Uchida
Original Assignee
Kuraray Co
Univ Tohoku
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 Kuraray Co, Univ Tohoku filed Critical Kuraray Co
Publication of TW200923248A publication Critical patent/TW200923248A/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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/005—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
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • G02F1/133613—Direct backlight characterized by the sequence of light sources

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW097138810A 2007-10-11 2008-10-09 Array of planar light source elements TW200923248A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007265397 2007-10-11
PCT/JP2008/002820 WO2009047891A1 (ja) 2007-10-11 2008-10-07 面光源素子アレイおよび画像表示装置

Publications (1)

Publication Number Publication Date
TW200923248A true TW200923248A (en) 2009-06-01

Family

ID=40549044

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097138810A TW200923248A (en) 2007-10-11 2008-10-09 Array of planar light source elements

Country Status (3)

Country Link
JP (1) JP5209634B2 (ja)
TW (1) TW200923248A (ja)
WO (1) WO2009047891A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI382134B (zh) * 2009-12-31 2013-01-11 Univ Nat Formosa 均勻混色的多色光發光二極體陣列結構
CN103311418A (zh) * 2012-03-06 2013-09-18 展晶科技(深圳)有限公司 发光二极管模组
CN103378276A (zh) * 2012-04-19 2013-10-30 展晶科技(深圳)有限公司 发光二极管及其光分配结构
CN103378277A (zh) * 2012-04-20 2013-10-30 展晶科技(深圳)有限公司 透镜以及具有该种透镜的发光二极管封装结构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011065891A (ja) * 2009-09-17 2011-03-31 Toshiba Corp 面状照明装置およびこれを備えた液晶表示装置
US9232634B2 (en) 2011-01-17 2016-01-05 Canon Components, Inc. Flexible circuit board for mounting light emitting element, illumination apparatus, and vehicle lighting apparatus
WO2018181701A1 (ja) * 2017-03-31 2018-10-04 株式会社Ｃｔｎｂ 配光制御素子、配光調整手段、反射部材、補強板、照明ユニット、ディスプレイ及びテレビ受信機
WO2022176906A1 (ja) * 2021-02-18 2022-08-25 ソニーセミコンダクタソリューションズ株式会社 発光装置および表示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006164625A (ja) * 2004-12-03 2006-06-22 Seiko Instruments Inc 照明装置、及びこれを備える表示装置
JP4595595B2 (ja) * 2005-03-08 2010-12-08 ソニー株式会社 バックライト装置及び液晶表示装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI382134B (zh) * 2009-12-31 2013-01-11 Univ Nat Formosa 均勻混色的多色光發光二極體陣列結構
CN103311418A (zh) * 2012-03-06 2013-09-18 展晶科技(深圳)有限公司 发光二极管模组
CN103378276A (zh) * 2012-04-19 2013-10-30 展晶科技(深圳)有限公司 发光二极管及其光分配结构
CN103378276B (zh) * 2012-04-19 2016-02-03 展晶科技(深圳)有限公司 发光二极管及其光分配结构
CN103378277A (zh) * 2012-04-20 2013-10-30 展晶科技(深圳)有限公司 透镜以及具有该种透镜的发光二极管封装结构
CN103378277B (zh) * 2012-04-20 2015-11-18 展晶科技(深圳)有限公司 透镜以及具有该种透镜的发光二极管封装结构

Also Published As

Publication number Publication date
WO2009047891A9 (ja) 2009-11-26
JPWO2009047891A1 (ja) 2011-02-17
WO2009047891A1 (ja) 2009-04-16
JP5209634B2 (ja) 2013-06-12

Similar Documents

Publication Publication Date Title
US7039286B2 (en) Light guide module having uniform light diffusion arrangement and method for making the same
TW200923248A (en) Array of planar light source elements
JP2005310611A (ja) バックライト装置及び表示装置
US20090010024A1 (en) Optical plate and backlight module using the same
JP2009164101A (ja) バックライト
TWI428639B (zh) 擴散板、背光單元及其液晶顯示器
US20220113591A1 (en) Diffusion plate and backlight module
US8075151B2 (en) Surface light source device and image display device
US20090130340A1 (en) Light diffusion plate and backlight module using the same
JP5386551B2 (ja) 発光装置、表示装置、および反射部材の設計方法
JP2012174370A (ja) 照明装置、及び液晶表示装置
KR102123456B1 (ko) 액정표시장치
JP2010108601A (ja) 面状光源及び液晶表示装置
US7878682B2 (en) Mixed light apparatus
JP2008304700A (ja) 光学シートおよび照明装置ならびに表示装置
KR102391395B1 (ko) 광학렌즈 및 이를 포함하는 백라이트 유닛과 액정표시장치
KR20110026901A (ko) 백 라이트 유닛 및 이를 포함하는 디스플레이 장치
KR20120039405A (ko) 백라이트 유닛 및 이를 구비한 액정표시장치
JP2010044378A (ja) 光偏向構造板及び面光源装置並びに液晶表示装置
KR100742726B1 (ko) 백라이트 유닛
JPH1164645A (ja) 平面発光体
JP2010086669A (ja) 面状照明装置
JP2009158468A (ja) バックライト
KR20110026904A (ko) 백 라이트 유닛 및 이를 포함하는 디스플레이 장치
JP2007103322A (ja) 照明装置これが備える光制御部材及びこれを用いた画像表示装置