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AU2002365528A1 - Dsf mold device for manufacturing lightguide in a backlight system - Google Patents

Dsf mold device for manufacturing lightguide in a backlight system

Info

Publication number
AU2002365528A1
AU2002365528A1 AU2002365528A AU2002365528A AU2002365528A1 AU 2002365528 A1 AU2002365528 A1 AU 2002365528A1 AU 2002365528 A AU2002365528 A AU 2002365528A AU 2002365528 A AU2002365528 A AU 2002365528A AU 2002365528 A1 AU2002365528 A1 AU 2002365528A1
Authority
AU
Australia
Prior art keywords
dsf
lightguide
manufacturing
mold device
backlight system
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.)
Abandoned
Application number
AU2002365528A
Other languages
English (en)
Inventor
Chul Park
Seongjin Park
Kyunghwan Yoon
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.)
FINEOPTICS Co
Original Assignee
FINEOPTICS 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 FINEOPTICS CO filed Critical FINEOPTICS CO
Publication of AU2002365528A1 publication Critical patent/AU2002365528A1/en
Abandoned legal-status Critical Current

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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • 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
    • G02B6/0035—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
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
AU2002365528A 2001-11-27 2002-11-27 Dsf mold device for manufacturing lightguide in a backlight system Abandoned AU2002365528A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2001-0074104 2001-11-27
KR1020010074104A KR20030043112A (ko) 2001-11-27 2001-11-27 백라이트용 도광판 제작을 위한 직접 표면 성형 금형 장치
PCT/KR2002/002226 WO2003046648A1 (fr) 2001-11-27 2002-11-27 Moule a formage direct de surface (dsf) servant a la fabrication d'un guide de lumiere pour panneau lumineux

Publications (1)

Publication Number Publication Date
AU2002365528A1 true AU2002365528A1 (en) 2003-06-10

Family

ID=19716329

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002365528A Abandoned AU2002365528A1 (en) 2001-11-27 2002-11-27 Dsf mold device for manufacturing lightguide in a backlight system

Country Status (3)

Country Link
KR (1) KR20030043112A (fr)
AU (1) AU2002365528A1 (fr)
WO (1) WO2003046648A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100581996B1 (ko) * 2004-06-24 2006-05-22 제이엠아이 주식회사 도광판 제조용 금형 및 그로부터 사출 성형된 도광판
WO2006031545A1 (fr) * 2004-09-09 2006-03-23 Fusion Optix, Inc. Retroeclairage ameliore pour dispositifs d'affichage a cristaux liquides (lcd)
KR100810039B1 (ko) * 2006-08-23 2008-03-07 (주) 민성정밀 도광판의 그루브 패턴 형성장치
KR100834189B1 (ko) * 2006-10-25 2008-05-30 김진섭 엘시디 전자커튼용 필름의 패턴형성장치
WO2009142339A1 (fr) * 2008-05-19 2009-11-26 Ls Tech Co., Ltd. Appareil pour réaliser un motif sur une plaque guide de lumière
JP5779496B2 (ja) * 2011-12-27 2015-09-16 株式会社フジクラ 面発光用導光板の製造方法
EP3173690A1 (fr) * 2015-11-30 2017-05-31 Embedded Nano Europe AB Procédé et gabarit pour produire une partie de découplage de lumière sur une surface d'un guide de lumière
EP3420266B1 (fr) 2016-02-22 2020-02-05 Lumileds LLC Distribution d'intensité lumineuse asymétrique à partir d'un luminaire

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11231143A (ja) * 1998-02-12 1999-08-27 Casio Comput Co Ltd 導光板、及びその導光板製造用の型
TWI223115B (en) * 1999-06-17 2004-11-01 Enplas Corp Surface light device, liquid crystal display device and reflective member
JP3992406B2 (ja) * 1999-08-23 2007-10-17 株式会社エンプラス 面光源装置，面光源装置を備えた画像表示装置及び面光源装置の反射部材
KR100369978B1 (ko) * 2000-04-14 2003-02-05 최인식 도광판 성형용 금형
KR20000063320A (ko) * 2000-06-27 2000-11-06 박인협 액정 표시 장치의 후면 발광체용 도광판 제조 방법

Also Published As

Publication number Publication date
WO2003046648A1 (fr) 2003-06-05
KR20030043112A (ko) 2003-06-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase