TWI356235B - Light guide for use in planar light source device - Google Patents

Light guide for use in planar light source device Download PDF

Info

Publication number
TWI356235B
TWI356235B TW094102428A TW94102428A TWI356235B TW I356235 B TWI356235 B TW I356235B TW 094102428 A TW094102428 A TW 094102428A TW 94102428 A TW94102428 A TW 94102428A TW I356235 B TWI356235 B TW I356235B
Authority
TW
Taiwan
Prior art keywords
light
light source
light guide
source device
incident end
Prior art date
Application number
TW094102428A
Other languages
English (en)
Chinese (zh)
Other versions
TW200535519A (en
Inventor
Yoshiaki Murayama
Atsushi Saiki
Yasuko Hayashi
Tomoyoshi Yamashita
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 TW200535519A publication Critical patent/TW200535519A/zh
Application granted granted Critical
Publication of TWI356235B publication Critical patent/TWI356235B/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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/295—Analog deflection from or in an optical waveguide structure]
    • 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
    • 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
    • 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
    • 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
    • G02B6/005—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)
  • 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)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
TW094102428A 2004-01-29 2005-01-27 Light guide for use in planar light source device TWI356235B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004021604A JP4553596B2 (ja) 2004-01-29 2004-01-29 面光源装置用導光体及びその製造方法並びに面光源装置

Publications (2)

Publication Number Publication Date
TW200535519A TW200535519A (en) 2005-11-01
TWI356235B true TWI356235B (en) 2012-01-11

Family

ID=34823799

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094102428A TWI356235B (en) 2004-01-29 2005-01-27 Light guide for use in planar light source device

Country Status (5)

Country Link
JP (1) JP4553596B2 (ko)
KR (2) KR100927513B1 (ko)
CN (1) CN1914460B (ko)
TW (1) TWI356235B (ko)
WO (1) WO2005073624A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI368087B (en) 2008-10-27 2012-07-11 Coretronic Corp Backlight module and liquid crystal display
CN101737725B (zh) * 2008-11-20 2013-03-06 中强光电股份有限公司 背光模块及液晶显示器
EP2623285A4 (en) * 2010-09-30 2016-11-02 Mitsubishi Rayon Co MOLD HAVING UNE FINE SURFACE IRREGULAR STRUCTURE, PRODUCTION METHOD OF PRODUCT HAVING FINE IRREGULAR SURFACE STRUCTURE, USE OF THE PRODUCT, HETEROCROMY EXPRESSING BATTERY, AND SURFACE EMITTING ELEMENT
WO2020091097A1 (ko) * 2018-10-30 2020-05-07 덴탈에이스 주식회사 치과 진료용 조명 장치

Family Cites Families (11)

* 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
JPH08184829A (ja) * 1995-01-04 1996-07-16 Hitachi Ltd 液晶表示装置の照明構造
JP3064224B2 (ja) * 1995-11-27 2000-07-12 松下電工株式会社 照明装置
JP3253001B2 (ja) * 1995-12-14 2002-02-04 株式会社エンプラス サイドライト型面光源装置
JP3286932B2 (ja) * 1995-12-14 2002-05-27 株式会社エンプラス サイドライト型面光源装置
JP4308968B2 (ja) * 1999-04-22 2009-08-05 日本ライツ株式会社 導光板および平面照明装置
EP1220261A3 (en) * 2000-12-27 2002-07-10 Mitsubishi Chemical Corporation Structured lighting material, method to generate incoherent luminescence and illuminator
JP3965298B2 (ja) * 2000-12-27 2007-08-29 三菱化学株式会社 発光構造体、発光方法及び照明体
JP4761422B2 (ja) * 2001-09-07 2011-08-31 三菱レイヨン株式会社 面光源装置及びそれに用いる導光体
US6755678B2 (en) * 2002-04-22 2004-06-29 Tyco Electronics Corporation Wire retaining connector block
JP4323208B2 (ja) * 2002-04-22 2009-09-02 三菱レイヨン株式会社 面光源装置及びそれに用いる導光体

Also Published As

Publication number Publication date
WO2005073624A1 (ja) 2005-08-11
TW200535519A (en) 2005-11-01
JP4553596B2 (ja) 2010-09-29
JP2005216665A (ja) 2005-08-11
CN1914460B (zh) 2011-07-20
KR20060126797A (ko) 2006-12-08
KR20080035704A (ko) 2008-04-23
CN1914460A (zh) 2007-02-14
KR100927513B1 (ko) 2009-11-17

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Legal Events

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