KR100968666B1 - 하나 이상의 일체형 디퓨저를 가진 도광관 - Google Patents

하나 이상의 일체형 디퓨저를 가진 도광관 Download PDF

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Publication number
KR100968666B1
KR100968666B1 KR1020097011051A KR20097011051A KR100968666B1 KR 100968666 B1 KR100968666 B1 KR 100968666B1 KR 1020097011051 A KR1020097011051 A KR 1020097011051A KR 20097011051 A KR20097011051 A KR 20097011051A KR 100968666 B1 KR100968666 B1 KR 100968666B1
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KR
South Korea
Prior art keywords
light
light guide
diffuser
microstructure
backlight assembly
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.)
Expired - Lifetime
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KR1020097011051A
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English (en)
Korean (ko)
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KR20090077838A (ko
Inventor
아바스 호세이니
가젠드라 사반트
Original Assignee
아사히 가세이 가부시키가이샤
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Publication of KR20090077838A publication Critical patent/KR20090077838A/ko
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Publication of KR100968666B1 publication Critical patent/KR100968666B1/ko
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    • 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
    • G02B6/0051—Diffusing sheet or layer
    • 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

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  • 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)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
KR1020097011051A 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관 Expired - Lifetime KR100968666B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/349,280 1999-07-08
US09/349,280 US6386721B1 (en) 1999-07-08 1999-07-08 Light pipe having one or more integral diffusers

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020027000223A Division KR100920855B1 (ko) 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관

Publications (2)

Publication Number Publication Date
KR20090077838A KR20090077838A (ko) 2009-07-15
KR100968666B1 true KR100968666B1 (ko) 2010-07-06

Family

ID=23371675

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020097011051A Expired - Lifetime KR100968666B1 (ko) 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관
KR1020027000223A Expired - Fee Related KR100920855B1 (ko) 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020027000223A Expired - Fee Related KR100920855B1 (ko) 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관

Country Status (7)

Country Link
US (1) US6386721B1 (enExample)
EP (1) EP1203186A4 (enExample)
JP (2) JP4343474B2 (enExample)
KR (2) KR100968666B1 (enExample)
IL (2) IL147483A0 (enExample)
TW (1) TWI240091B (enExample)
WO (1) WO2001004539A1 (enExample)

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JP3670949B2 (ja) * 2000-09-27 2005-07-13 三洋電機株式会社 面光源装置
PL343963A1 (en) * 2000-11-16 2002-05-20 Grzegorz Drozdowski Edge-illuminated optical device
US6904225B2 (en) * 2001-05-22 2005-06-07 Nichia Corporation Optical waveguide plate of surface light emitting apparatus
EP1415188B1 (en) * 2001-08-06 2013-02-13 MEI, Inc. Document validator subassembly
US6806642B2 (en) * 2001-09-04 2004-10-19 Durel Corporation Light source with cascading dyes and BEF
US7192174B2 (en) * 2002-04-01 2007-03-20 Hunatech Co., Ltd. Light guiding panel formed with minute recesses by a sand blasting process and a backlight unit using the same
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
US7874487B2 (en) * 2005-10-24 2011-01-25 Cognex Technology And Investment Corporation Integrated illumination assembly for symbology reader
US20060285352A1 (en) * 2005-06-17 2006-12-21 Lg.Philips Lcd Co., Ltd. Optical device, apparatus and method for fabricating the optical device, backlight unit using the optical device, and liquid crystal display device using the backlight unit
CN100390812C (zh) * 2005-11-18 2008-05-28 敦南科技股份有限公司 使用于皮纹读取器的测试工具
US7909496B2 (en) * 2006-02-01 2011-03-22 Koninklijke Philips Electronics N.V. Lighting system for creating an illuminated surface
JP2008286955A (ja) * 2007-05-17 2008-11-27 Mitsubishi Electric Corp 表示パネル用バックライト装置及び液晶表示装置
KR101391891B1 (ko) * 2007-06-22 2014-05-07 삼성디스플레이 주식회사 도광판, 이의 제조방법 및 이를 포함하는 액정 표시 장치
US20090067194A1 (en) * 2007-09-11 2009-03-12 World Properties, Inc. Light guide with imprinted phosphor
TWI434084B (zh) * 2010-07-23 2014-04-11 Entire Technology Co Ltd 反射均光導光裝置及具有該反射均光導光裝置的背光模組與液晶顯示器
CN103377591B (zh) * 2012-04-13 2016-12-21 鸿富锦精密工业（深圳）有限公司 发光二极管显示单元及发光二极管显示器
TWI536335B (zh) * 2012-04-13 2016-06-01 鴻海精密工業股份有限公司 發光二極體顯示單元及發光二極體顯示器
GB2506625A (en) 2012-10-04 2014-04-09 Bae Systems Plc LCD backlight display
JP5937032B2 (ja) * 2013-03-21 2016-06-22 株式会社東海理化電機製作所 表示装置

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KR970062759A (ko) * 1996-02-02 1997-09-12 가나이 츠토무 액정표시장치 및 배면조명부용 도광판의 제조방법

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EP0503071A4 (en) * 1990-09-04 1993-03-10 Ohno Research And Development Laboratories Co., Ltd. Plastic optical member having light diffusing layer on surface, and light quantity control member
JP2710465B2 (ja) * 1990-09-12 1998-02-10 三菱レイヨン株式会社 面光源素子
WO1992004648A1 (fr) * 1990-09-12 1992-03-19 Mitsubishi Rayon Co., Ltd. Element plan servant de source de lumiere
EP0714348A4 (en) * 1993-07-27 1998-05-06 Physical Optics Corp DEVICE FOR DESTRUCTURING AND SHAPING A LIGHT SOURCE
JPH08313712A (ja) * 1995-05-17 1996-11-29 Toppan Printing Co Ltd 回折格子パターンおよびその作製方法
US5926601A (en) * 1996-05-02 1999-07-20 Briteview Technologies, Inc. Stacked backlighting system using microprisms
JP3769327B2 (ja) * 1996-07-23 2006-04-26 大日本印刷株式会社 プリズムレンズシート、バックライトシステム及び液晶表示装置
WO1998013709A1 (en) * 1996-09-24 1998-04-02 Seiko Epson Corporation Illuminating device and display using the device
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JPH10170915A (ja) * 1996-12-12 1998-06-26 Hitachi Ltd 液晶表示装置
JP3542059B2 (ja) * 1997-03-26 2004-07-14 クリエイト株式会社 導光板の作成方法
JP3508907B2 (ja) * 1997-06-27 2004-03-22 株式会社デンソー 車両用信号灯具
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Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970062759A (ko) * 1996-02-02 1997-09-12 가나이 츠토무 액정표시장치 및 배면조명부용 도광판의 제조방법

Also Published As

Publication number Publication date
JP2009181962A (ja) 2009-08-13
KR100920855B1 (ko) 2009-10-09
JP2003504681A (ja) 2003-02-04
IL147483A0 (en) 2002-08-14
IL147483A (en) 2008-11-03
JP4689730B2 (ja) 2011-05-25
WO2001004539A1 (en) 2001-01-18
KR20020030077A (ko) 2002-04-22
JP4343474B2 (ja) 2009-10-14
EP1203186A4 (en) 2002-08-14
TWI240091B (en) 2005-09-21
US6386721B1 (en) 2002-05-14
KR20090077838A (ko) 2009-07-15
EP1203186A1 (en) 2002-05-08

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