TW200702842A - Planar light source device and light guide for use in the same - Google Patents

Planar light source device and light guide for use in the same

Info

Publication number
TW200702842A
TW200702842A TW095125608A TW95125608A TW200702842A TW 200702842 A TW200702842 A TW 200702842A TW 095125608 A TW095125608 A TW 095125608A TW 95125608 A TW95125608 A TW 95125608A TW 200702842 A TW200702842 A TW 200702842A
Authority
TW
Taiwan
Prior art keywords
light
light source
face
source device
same
Prior art date
Application number
TW095125608A
Other languages
English (en)
Other versions
TWI360693B (zh
Inventor
Makoto Ookawa
Yasushi Watanabe
Yoshihito Nozaki
Yoshiaki Murayama
Hiroki Matsumoto
Original Assignee
Mitsubishi Rayon Co
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 Mitsubishi Rayon Co filed Critical Mitsubishi Rayon Co
Publication of TW200702842A publication Critical patent/TW200702842A/zh
Application granted granted Critical
Publication of TWI360693B publication Critical patent/TWI360693B/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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
TW095125608A 2005-07-13 2006-07-13 Planar light source device and light guide for use in the same TW200702842A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005203891 2005-07-13
JP2006000550 2006-01-05
JP2006000552 2006-01-05

Publications (2)

Publication Number Publication Date
TW200702842A true TW200702842A (en) 2007-01-16
TWI360693B TWI360693B (zh) 2012-03-21

Family

ID=37637189

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095125608A TW200702842A (en) 2005-07-13 2006-07-13 Planar light source device and light guide for use in the same

Country Status (5)

Country Link
US (1) US7766532B2 (zh)
JP (1) JP5016921B2 (zh)
KR (1) KR100950613B1 (zh)
TW (1) TW200702842A (zh)
WO (1) WO2007007799A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI504951B (zh) * 2012-11-15 2015-10-21 Omron Tateisi Electronics Co 導光板及面光源裝置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7766532B2 (en) * 2005-07-13 2010-08-03 Mitsubishi Rayon Co., Ltd. Light guide for surface light source device and surface light source device
US8098347B2 (en) * 2008-11-21 2012-01-17 3M Innovative Properties Company Stereoscopic 3D liquid crystal display with graded light guide light extraction features
CN102271204A (zh) * 2010-06-04 2011-12-07 株式会社东芝 照明装置、图像读取装置、图像形成装置及图像读取方法
US8657463B2 (en) 2010-07-01 2014-02-25 Jan Flemming Samuel Lichten Lighting fixture for a poultry house
JP5425026B2 (ja) * 2010-09-08 2014-02-26 富士フイルム株式会社 導光板、面状照明装置、および液晶表示装置
EP2815271A4 (en) 2012-02-17 2015-09-30 3M Innovative Properties Co ANAMORPHER LIGHT LEADER

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
JPS4026083Y1 (zh) 1964-05-25 1965-09-06
JPS6060788A (ja) 1983-09-14 1985-04-08 Matsushita Electric Ind Co Ltd 圧電素子の分極装置
JPS62154422A (ja) 1985-12-25 1987-07-09 松下電器産業株式会社 押釦装置
JPH0616902A (ja) 1992-07-02 1994-01-25 Matsushita Electric Works Ltd アミノ樹脂成形材料
JPH0616902U (ja) * 1992-08-07 1994-03-04 旭化成工業株式会社 面状光源装置
JPH08136733A (ja) * 1994-11-04 1996-05-31 Aasaa:Kk バックライトパネル
JPH08227074A (ja) 1995-02-22 1996-09-03 Sanyo Electric Co Ltd 面照明素子
US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
JP3548812B2 (ja) * 1995-08-11 2004-07-28 オムロン株式会社 面光源装置、当該装置に用いる面状光学素子及び当該装置を用いた画像表示装置
JP3666834B2 (ja) 1996-11-25 2005-06-29 株式会社エンプラス 導光板及びサイドライト型面光源装置
US6334689B1 (en) * 1997-01-30 2002-01-01 Hitachi, Ltd. Liquid crystal display
JP4290868B2 (ja) 2000-11-30 2009-07-08 日泉化学株式会社 指向性導光板及びその製造方法
EP1348994B1 (en) * 2000-12-13 2008-05-21 Mitsubishi Rayon Co., Ltd. Light source device
JP4446460B2 (ja) 2001-01-24 2010-04-07 三菱レイヨン株式会社 面光源装置、面光源装置用導光体およびその製造方法
JP4424641B2 (ja) 2001-02-27 2010-03-03 三菱レイヨン株式会社 面光源装置および面光源装置用導光体
TWI247927B (en) * 2002-08-15 2006-01-21 Mitsubishi Rayon Co Planar light source apparatus and light guide used therein
CN1816719B (zh) * 2003-07-15 2011-08-10 三菱丽阳株式会社 光源装置以及光偏转元件
KR101001972B1 (ko) * 2003-10-13 2010-12-17 삼성전자주식회사 액정표시장치
US7766532B2 (en) * 2005-07-13 2010-08-03 Mitsubishi Rayon Co., Ltd. Light guide for surface light source device and surface light source device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI504951B (zh) * 2012-11-15 2015-10-21 Omron Tateisi Electronics Co 導光板及面光源裝置

Also Published As

Publication number Publication date
US7766532B2 (en) 2010-08-03
JP5016921B2 (ja) 2012-09-05
JPWO2007007799A1 (ja) 2009-01-29
WO2007007799A1 (ja) 2007-01-18
TWI360693B (zh) 2012-03-21
US20090034294A1 (en) 2009-02-05
KR20080031954A (ko) 2008-04-11
KR100950613B1 (ko) 2010-04-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees