AU6478200A - Method for making backlit light guide plate for liquid crystal display - Google Patents

Method for making backlit light guide plate for liquid crystal display

Info

Publication number
AU6478200A
AU6478200A AU64782/00A AU6478200A AU6478200A AU 6478200 A AU6478200 A AU 6478200A AU 64782/00 A AU64782/00 A AU 64782/00A AU 6478200 A AU6478200 A AU 6478200A AU 6478200 A AU6478200 A AU 6478200A
Authority
AU
Australia
Prior art keywords
making
liquid crystal
crystal display
light guide
guide plate
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
AU64782/00A
Inventor
Kyounghee Choi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU6478200A publication Critical patent/AU6478200A/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
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
AU64782/00A 1999-08-10 2000-08-07 Method for making backlit light guide plate for liquid crystal display Abandoned AU6478200A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR9932838 1999-08-10
KR19990032838 1999-08-10
KR0044725 2000-08-01
KR10-2000-0044725A KR100394351B1 (en) 1999-08-10 2000-08-01 Method for making backlit lightguide for display system and display system thereof
PCT/KR2000/000866 WO2001011422A1 (en) 1999-08-10 2000-08-07 Method for making backlit light guide plate for liquid crystal display

Publications (1)

Publication Number Publication Date
AU6478200A true AU6478200A (en) 2001-03-05

Family

ID=26636013

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64782/00A Abandoned AU6478200A (en) 1999-08-10 2000-08-07 Method for making backlit light guide plate for liquid crystal display

Country Status (3)

Country Link
KR (1) KR100394351B1 (en)
AU (1) AU6478200A (en)
WO (1) WO2001011422A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100413837B1 (en) * 2001-02-24 2003-12-31 주식회사 엘에스텍 The method of pattern making of light guide panel
US6843587B2 (en) 2002-05-11 2005-01-18 Ls Tech Co., Ltd. Surface light source apparatus, and method and apparatus for manufacturing the same
JP4198975B2 (en) * 2002-11-28 2008-12-17 アルプス電気株式会社 Illumination device, light guide, and liquid crystal display device
CN1307475C (en) * 2003-04-08 2007-03-28 明基电通股份有限公司 Hollow type back illumination beam component
US20040228148A1 (en) * 2003-05-12 2004-11-18 Alps Electric Co., Ltd. Light guiding plate, illumination device, and liquid crystal display device
CN100376961C (en) * 2004-05-28 2008-03-26 鸿富锦精密工业（深圳）有限公司 Method for manufacturing light guide plates
KR100750245B1 (en) * 2006-02-15 2007-08-17 제일모직주식회사 Light guide panel for lcd back light unit and lcd back light unit thereby
JP5313166B2 (en) 2007-01-19 2013-10-09 コーニンクレッカ フィリップス エヌ ヴェ Optical element having at least one embedded reflector
KR100961290B1 (en) * 2009-04-01 2010-06-04 허봉구 Manufacturing device and manufacturing method of light guide plate with twofold for high brightness
KR101671513B1 (en) * 2009-12-08 2016-11-02 엘지디스플레이 주식회사 Light guide plate, and back light unit and liquid crystal display using the same
KR101321764B1 (en) * 2011-05-30 2013-10-28 (주)신우이엔지 Method for manufacturing Light Guide Plate and apparatus thereof
JP5779496B2 (en) * 2011-12-27 2015-09-16 株式会社フジクラ Manufacturing method of light emitting plate for surface light emission
KR102116418B1 (en) 2013-09-30 2020-06-01 삼성디스플레이 주식회사 Light guide panel, back light assembly and diplay apparatus comprising the same and method for manufacturing light guide
KR102315159B1 (en) * 2014-05-15 2021-10-19 로히니, 엘엘씨. Light diffusion with light-generating sources
KR102508668B1 (en) * 2017-11-24 2023-03-13 삼성디스플레이 주식회사 Display apparatus and method of manufacturing the same
CN109143452B (en) * 2018-09-07 2019-12-24 博讯光电科技(合肥)有限公司 Light guide plate convenient to fix
EP3627039A1 (en) * 2018-09-20 2020-03-25 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO A segmented light guide and a method of manufacturing thereof
KR102350238B1 (en) * 2020-03-04 2022-01-11 엘지전자 주식회사 Display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339179A (en) * 1992-10-01 1994-08-16 International Business Machines Corp. Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel
JPH07333442A (en) * 1994-06-06 1995-12-22 Fujitsu Kasei Kk Edge type back light unit
JP3400589B2 (en) * 1995-02-22 2003-04-28 旭化成株式会社 Method for producing methacrylic resin light guide plate
KR100262798B1 (en) * 1996-02-02 2000-08-01 가나이 쓰도무 Lcd apparatus and method of manufactuaring backlight transparent polymer plate

Also Published As

Publication number Publication date
KR100394351B1 (en) 2003-08-09
KR20000063748A (en) 2000-11-06
WO2001011422A1 (en) 2001-02-15

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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