ATE490481T1 - Planare beleuchtungsvorrichtung - Google Patents

Planare beleuchtungsvorrichtung

Info

Publication number
ATE490481T1
ATE490481T1 AT08017059T AT08017059T ATE490481T1 AT E490481 T1 ATE490481 T1 AT E490481T1 AT 08017059 T AT08017059 T AT 08017059T AT 08017059 T AT08017059 T AT 08017059T AT E490481 T1 ATE490481 T1 AT E490481T1
Authority
AT
Austria
Prior art keywords
light
exit plane
lighting device
pair
guide plate
Prior art date
Application number
AT08017059T
Other languages
English (en)
Inventor
Osamu Iwasaki
Ryuichi Katsumoto
Original Assignee
Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Application granted granted Critical
Publication of ATE490481T1 publication Critical patent/ATE490481T1/de

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
    • G02B6/0035—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
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0066—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
    • G02B6/0073—Light emitting diode [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Polarising Elements (AREA)
AT08017059T 2007-09-28 2008-09-26 Planare beleuchtungsvorrichtung ATE490481T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007256648A JP4856037B2 (ja) 2007-09-28 2007-09-28 面状照明装置

Publications (1)

Publication Number Publication Date
ATE490481T1 true ATE490481T1 (de) 2010-12-15

Family

ID=40159697

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08017059T ATE490481T1 (de) 2007-09-28 2008-09-26 Planare beleuchtungsvorrichtung

Country Status (5)

Country Link
US (1) US7976209B2 (de)
EP (1) EP2042897B1 (de)
JP (1) JP4856037B2 (de)
AT (1) ATE490481T1 (de)
DE (1) DE602008003730D1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008146229A2 (en) * 2007-05-29 2008-12-04 Koninklijke Philips Electronics N.V. Illumination system, luminaire and backlighting unit
JP4902431B2 (ja) * 2007-06-07 2012-03-21 富士フイルム株式会社 面状照明装置
US7802913B2 (en) * 2008-06-18 2010-09-28 Teamwin Opto-Electronics Co., Ltd. LED lamp including positioning frame for general illumination
JP2010080401A (ja) * 2008-09-29 2010-04-08 Fujifilm Corp 面状照明装置
EP2388636B1 (de) * 2009-01-16 2019-05-01 EIZO Corporation Bildanzeigevorrichtung
US20100231498A1 (en) * 2009-03-13 2010-09-16 Microsoft Corporation Image display via multiple light guide sections
US20100302799A1 (en) * 2009-05-29 2010-12-02 Nokia Corporation Moving light effect using a light-guide structure
TWI408458B (zh) * 2009-07-24 2013-09-11 Wistron Corp 側光式背光模組
FR2950412B1 (fr) * 2009-09-24 2015-08-07 Formes Et Sculptures Panneau lumineux
JP2011238432A (ja) * 2010-05-10 2011-11-24 Fujifilm Corp 面状照明装置
CN101949526B (zh) * 2010-07-12 2012-11-14 深圳市华星光电技术有限公司 侧入式背光模块及其背板散热构造
US8235540B2 (en) * 2011-01-14 2012-08-07 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same
KR20120102174A (ko) 2011-02-16 2012-09-18 삼성디스플레이 주식회사 백라이트 어셈블리, 이를 포함하는 표시 장치 및 이의 조립 방법
US20130329438A1 (en) * 2011-02-22 2013-12-12 Konica Minolta, Inc. Illumination device
US9405057B2 (en) * 2011-08-31 2016-08-02 Sharp Kabushiki Kaisha Display device and television receiver
US20130063973A1 (en) * 2011-09-09 2013-03-14 Peter H. Mahowald Lighting fixtures having observable illuminated speckled pattern
WO2014141340A1 (ja) * 2013-03-11 2014-09-18 パナソニック株式会社 照明装置及び表示装置
WO2017036502A1 (en) * 2015-08-28 2017-03-09 Coelux S.R.L. Large area light source and large area luminaire
WO2018157903A1 (en) 2017-02-28 2018-09-07 Coelux S.R.L. Sunlight-based large area light source and large area luminaire
KR102360611B1 (ko) * 2017-07-13 2022-02-09 엘지전자 주식회사 디스플레이 디바이스
CN107728380B (zh) * 2017-11-20 2024-04-30 北京小米移动软件有限公司 背光模组及显示装置

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US5899552A (en) * 1993-11-11 1999-05-04 Enplas Corporation Surface light source device
JP3781441B2 (ja) 1993-07-23 2006-05-31 康博 小池 光散乱導光光源装置及び液晶表示装置
JPH0894851A (ja) * 1994-09-22 1996-04-12 Nippon Chemitec Kk 導光板とその面型照明体
JP3682313B2 (ja) * 1995-03-08 2005-08-10 日東樹脂工業株式会社 面光源装置及び液晶ディスプレイ
JPH08271739A (ja) 1995-04-03 1996-10-18 Yasuhiro Koike 液晶ディスプレイ
JP3874222B2 (ja) 1997-11-19 2007-01-31 株式会社エンプラス 光源装置
US7525531B2 (en) * 2000-07-31 2009-04-28 Toshiba Matsushita Display Technology Co., Ltd. Method for manufacturing lighting device, image display, liquid crystal monitor, liquid crystal television, liquid crystal information terminal, and light guide plate
JP2003090919A (ja) 2001-09-17 2003-03-28 Sony Corp 導光板、導光板用金型及び導光板用金型の製造方法
JP2003121840A (ja) * 2001-10-10 2003-04-23 Kawaguchiko Seimitsu Co Ltd 液晶表示装置
JP4317354B2 (ja) * 2002-10-25 2009-08-19 シャープ株式会社 光源装置及びそれを備えた表示装置
TWI308239B (en) * 2002-10-25 2009-04-01 Toppoly Optoelectronics Corp Light module and flat panel display including the light module
JP2004171948A (ja) 2002-11-20 2004-06-17 Harison Toshiba Lighting Corp バックライト装置
US7639916B2 (en) * 2002-12-09 2009-12-29 Orec, Advanced Illumination Solutions Inc. Flexible optical device
JP2005108676A (ja) 2003-09-30 2005-04-21 Harison Toshiba Lighting Corp 発光ダイオードを用いたバックライト
JP2005302322A (ja) 2004-04-06 2005-10-27 Nippon Leiz Co Ltd 光源装置および平面照明装置
WO2006031545A1 (en) * 2004-09-09 2006-03-23 Fusion Optix, Inc. Enhanced lcd backlight
JP4238806B2 (ja) * 2004-09-21 2009-03-18 セイコーエプソン株式会社 導光板、照明装置、電気光学装置および電子機器
JP2007024915A (ja) * 2005-07-12 2007-02-01 Nec Lcd Technologies Ltd 照明装置及び該照明装置を備える液晶表示装置
US7826703B2 (en) * 2005-08-17 2010-11-02 Fujifilm Corporation Planar illuminating device

Also Published As

Publication number Publication date
US20090086505A1 (en) 2009-04-02
JP4856037B2 (ja) 2012-01-18
US7976209B2 (en) 2011-07-12
JP2009087767A (ja) 2009-04-23
DE602008003730D1 (de) 2011-01-13
EP2042897A1 (de) 2009-04-01
EP2042897B1 (de) 2010-12-01

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Legal Events

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