JP2006302710A - 面光源装置 - Google Patents

面光源装置 Download PDF

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Publication number
JP2006302710A
JP2006302710A JP2005124101A JP2005124101A JP2006302710A JP 2006302710 A JP2006302710 A JP 2006302710A JP 2005124101 A JP2005124101 A JP 2005124101A JP 2005124101 A JP2005124101 A JP 2005124101A JP 2006302710 A JP2006302710 A JP 2006302710A
Authority
JP
Japan
Prior art keywords
light source
source device
led
prism
light
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.)
Pending
Application number
JP2005124101A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006302710A5 (https=
Inventor
Kenji Tsuchiya
健志 土屋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Display Central Inc
Original Assignee
Toshiba Matsushita Display Technology Co Ltd
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 Toshiba Matsushita Display Technology Co Ltd filed Critical Toshiba Matsushita Display Technology Co Ltd
Priority to JP2005124101A priority Critical patent/JP2006302710A/ja
Priority to US11/391,323 priority patent/US7452118B2/en
Publication of JP2006302710A publication Critical patent/JP2006302710A/ja
Publication of JP2006302710A5 publication Critical patent/JP2006302710A5/ja
Pending legal-status Critical Current

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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
    • G02B6/0066—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
    • G02B6/0013—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
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough 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
    • G02B6/0073—Light emitting diode [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2005124101A 2005-04-21 2005-04-21 面光源装置 Pending JP2006302710A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005124101A JP2006302710A (ja) 2005-04-21 2005-04-21 面光源装置
US11/391,323 US7452118B2 (en) 2005-04-21 2006-03-29 Area light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005124101A JP2006302710A (ja) 2005-04-21 2005-04-21 面光源装置

Publications (2)

Publication Number Publication Date
JP2006302710A true JP2006302710A (ja) 2006-11-02
JP2006302710A5 JP2006302710A5 (https=) 2008-05-15

Family

ID=37186295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005124101A Pending JP2006302710A (ja) 2005-04-21 2005-04-21 面光源装置

Country Status (2)

Country Link
US (1) US7452118B2 (https=)
JP (1) JP2006302710A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009129792A (ja) * 2007-11-27 2009-06-11 Minebea Co Ltd 面状照明装置
WO2010059578A3 (en) * 2008-11-21 2010-08-12 3M Innovative Properties Company Stereoscopic 3d liquid crystal display with graded light guide light extraction features
US8411228B2 (en) 2008-03-07 2013-04-02 Sharp Kabushiki Kaisha Light emitting module, backlight unit and liquid crystal display device
US8477254B2 (en) 2008-03-06 2013-07-02 Nlt Technologies, Ltd. Backlight module with detachable light source unit and liquid crystal display device having the same

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200834011A (en) * 2006-10-16 2008-08-16 Koninkl Philips Electronics Nv Lighting device
CN100582831C (zh) * 2006-12-22 2010-01-20 鸿富锦精密工业（深圳）有限公司 导光板及背光模组
KR101351864B1 (ko) * 2007-05-08 2014-01-15 삼성디스플레이 주식회사 도광판, 이를 갖는 백라이트 어셈블리 및 표시 장치
JP2009070589A (ja) * 2007-09-11 2009-04-02 Hitachi Ltd 液晶ディスプレイ機器
US8350799B2 (en) 2009-06-03 2013-01-08 Manufacturing Resources International, Inc. Dynamic dimming LED backlight
US8319764B2 (en) * 2009-06-29 2012-11-27 Research In Motion Limited Wave guide for improving light sensor angular response
CN102128416A (zh) * 2010-01-20 2011-07-20 3M创新有限公司 导光板组件及其制造方法与包含该组件的液晶显示器
US8403539B2 (en) * 2010-02-26 2013-03-26 Research In Motion Limited Light guide for improving device lighting
KR20120019249A (ko) * 2010-08-25 2012-03-06 삼성모바일디스플레이주식회사 백라이트 유닛 및 이를 포함하는 액정 표시 장치
FR2968745B1 (fr) * 2010-12-14 2012-12-07 Valeo Systemes Thermiques Temoin lumineux
US9348174B2 (en) 2013-03-14 2016-05-24 Manufacturing Resources International, Inc. Rigid LCD assembly
WO2015003130A1 (en) 2013-07-03 2015-01-08 Manufacturing Resources International, Inc. Airguide backlight assembly
US10191212B2 (en) 2013-12-02 2019-01-29 Manufacturing Resources International, Inc. Expandable light guide for backlight
US10527276B2 (en) 2014-04-17 2020-01-07 Manufacturing Resources International, Inc. Rod as a lens element for light emitting diodes
US10649273B2 (en) 2014-10-08 2020-05-12 Manufacturing Resources International, Inc. LED assembly for transparent liquid crystal display and static graphic
US10261362B2 (en) 2015-09-01 2019-04-16 Manufacturing Resources International, Inc. Optical sheet tensioner
US9921356B2 (en) * 2015-09-23 2018-03-20 Apple Inc. Display Backlight with Light Mixing Structures
JP7677217B2 (ja) * 2022-04-20 2025-05-15 株式会社デンソー 光学部材
US12429726B1 (en) 2023-10-02 2025-09-30 Manufacturing Resources International, Inc. Optical stack with a liquid crystal layer and a micro lens array, electronic display assembly, and related methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002289023A (ja) * 2001-03-27 2002-10-04 Casio Comput Co Ltd 照明装置
JP2004213025A (ja) * 2003-01-07 2004-07-29 Samsung Electronics Co Ltd バックライトユニット
JP2004296307A (ja) * 2003-03-27 2004-10-21 Minebea Co Ltd 面状照明装置
JP2005071971A (ja) * 2002-10-04 2005-03-17 Nichia Chem Ind Ltd 面発光装置用の導光板と面発光装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3213496B2 (ja) * 1994-11-30 2001-10-02 シャープ株式会社 照明装置
US5999685A (en) * 1997-02-07 1999-12-07 Sanyo Electric Co., Ltd. Light guide plate and surface light source using the light guide plate
JP3931070B2 (ja) * 2001-10-22 2007-06-13 株式会社アドバンスト・ディスプレイ 面状光源装置及びこれを備えた液晶表示装置
JP3923867B2 (ja) * 2002-07-26 2007-06-06 株式会社アドバンスト・ディスプレイ 面状光源装置及びそれを用いた液晶表示装置
KR100499133B1 (ko) * 2002-11-04 2005-07-04 삼성전자주식회사 백라이트 유닛
TWM243655U (en) * 2002-12-27 2004-09-11 Hon Hai Prec Ind Co Ltd Light guide plate and surface light source device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002289023A (ja) * 2001-03-27 2002-10-04 Casio Comput Co Ltd 照明装置
JP2005071971A (ja) * 2002-10-04 2005-03-17 Nichia Chem Ind Ltd 面発光装置用の導光板と面発光装置
JP2004213025A (ja) * 2003-01-07 2004-07-29 Samsung Electronics Co Ltd バックライトユニット
JP2004296307A (ja) * 2003-03-27 2004-10-21 Minebea Co Ltd 面状照明装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009129792A (ja) * 2007-11-27 2009-06-11 Minebea Co Ltd 面状照明装置
US8477254B2 (en) 2008-03-06 2013-07-02 Nlt Technologies, Ltd. Backlight module with detachable light source unit and liquid crystal display device having the same
US8411228B2 (en) 2008-03-07 2013-04-02 Sharp Kabushiki Kaisha Light emitting module, backlight unit and liquid crystal display device
WO2010059578A3 (en) * 2008-11-21 2010-08-12 3M Innovative Properties Company Stereoscopic 3d liquid crystal display with graded light guide light extraction features
US8098347B2 (en) 2008-11-21 2012-01-17 3M Innovative Properties Company Stereoscopic 3D liquid crystal display with graded light guide light extraction features

Also Published As

Publication number Publication date
US7452118B2 (en) 2008-11-18
US20060238367A1 (en) 2006-10-26

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