WO2002048608A1 - Systeme de source de lumiere de surface et element de deviation optique - Google Patents

Systeme de source de lumiere de surface et element de deviation optique Download PDF

Info

Publication number
WO2002048608A1
WO2002048608A1 PCT/JP2001/010980 JP0110980W WO0248608A1 WO 2002048608 A1 WO2002048608 A1 WO 2002048608A1 JP 0110980 W JP0110980 W JP 0110980W WO 0248608 A1 WO0248608 A1 WO 0248608A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
deflection element
optical deflection
led
light source
Prior art date
Application number
PCT/JP2001/010980
Other languages
English (en)
French (fr)
Inventor
Tomoyoshi Yamashita
Yasuko Hayashi
Issei Chiba
Original Assignee
Mitsubishi Rayon 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 Mitsubishi Rayon Co., Ltd. filed Critical Mitsubishi Rayon Co., Ltd.
Priority to EP01270241A priority Critical patent/EP1361392A4/en
Priority to KR1020037007930A priority patent/KR100902447B1/ko
Publication of WO2002048608A1 publication Critical patent/WO2002048608A1/ja

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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/0033—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
    • G02B6/0013—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Led Device Packages (AREA)
PCT/JP2001/010980 2000-12-14 2001-12-14 Systeme de source de lumiere de surface et element de deviation optique WO2002048608A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01270241A EP1361392A4 (en) 2000-12-14 2001-12-14 FLAT-LIKE LIGHT-SOURCE SYSTEM AND OPTICAL DEFLECTION ELEMENT
KR1020037007930A KR100902447B1 (ko) 2000-12-14 2001-12-14 면광원 시스템 및 여기에 사용되는 광 편향 소자

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000-380893 2000-12-14
JP2000380893 2000-12-14
JP2001310123A JP4266551B2 (ja) 2000-12-14 2001-10-05 面光源システムおよびそれに用いる光偏向素子
JP2001-310123 2001-10-05

Publications (1)

Publication Number Publication Date
WO2002048608A1 true WO2002048608A1 (fr) 2002-06-20

Family

ID=26605853

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/010980 WO2002048608A1 (fr) 2000-12-14 2001-12-14 Systeme de source de lumiere de surface et element de deviation optique

Country Status (7)

Country Link
US (2) US6669350B2 (ja)
EP (1) EP1361392A4 (ja)
JP (1) JP4266551B2 (ja)
KR (2) KR100902447B1 (ja)
CN (1) CN1223790C (ja)
TW (1) TWI292838B (ja)
WO (1) WO2002048608A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004016985A1 (ja) * 2002-08-15 2004-02-26 Mitsubishi Rayon Co., Ltd. 面光源装置及びそれに用いる導光体
WO2004025174A1 (ja) * 2002-08-30 2004-03-25 Hitachi Chemical Co., Ltd. 導光板及びバックライト装置
WO2006035743A1 (ja) * 2004-09-28 2006-04-06 Mitsubishi Rayon Co., Ltd. 面光源装置用導光体および面光源装置
DE102007040113A1 (de) 2007-08-24 2009-02-26 Siemens Ag Flächenleuchte und flächiger Lichtleiter

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