KR100920855B1 - 하나 이상의 일체형 디퓨저를 가진 도광관 - Google Patents

하나 이상의 일체형 디퓨저를 가진 도광관 Download PDF

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Publication number
KR100920855B1
KR100920855B1 KR1020027000223A KR20027000223A KR100920855B1 KR 100920855 B1 KR100920855 B1 KR 100920855B1 KR 1020027000223 A KR1020027000223 A KR 1020027000223A KR 20027000223 A KR20027000223 A KR 20027000223A KR 100920855 B1 KR100920855 B1 KR 100920855B1
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KR
South Korea
Prior art keywords
light
light guide
diffuser
backlight assembly
guide tube
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 - Fee Related
Application number
KR1020027000223A
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English (en)
Korean (ko)
Other versions
KR20020030077A (ko
Inventor
아바스 호세이니
가젠드라 사반트
Original Assignee
피지컬 옵틱스 코포레이션
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.)
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Publication date
Application filed by 피지컬 옵틱스 코포레이션 filed Critical 피지컬 옵틱스 코포레이션
Publication of KR20020030077A publication Critical patent/KR20020030077A/ko
Application granted granted Critical
Publication of KR100920855B1 publication Critical patent/KR100920855B1/ko
Assigned to 아사히 가세이 가부시키가이샤 reassignment 아사히 가세이 가부시키가이샤 권리의 전부이전등록 Assignors: 피지컬 옵틱스 코포레이션
Assigned to 루미니트 엘엘씨 reassignment 루미니트 엘엘씨 권리의 전부이전등록 Assignors: 아사히 가세이 가부시키가이샤
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR1020027000223A 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관 Expired - Fee Related KR100920855B1 (ko)

Applications Claiming Priority (2)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020097011051A Division KR100968666B1 (ko) 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관

Publications (2)

Publication Number Publication Date
KR20020030077A KR20020030077A (ko) 2002-04-22
KR100920855B1 true KR100920855B1 (ko) 2009-10-09

Family

ID=23371675

Family Applications (2)

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
KR1020097011051A Expired - Lifetime KR100968666B1 (ko) 1999-07-08 2000-06-29 하나 이상의 일체형 디퓨저를 가진 도광관

Family Applications After (1)

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

Country Status (7)

Country Link
US (1) US6386721B1 (https=)
EP (1) EP1203186A4 (https=)
JP (2) JP4343474B2 (https=)
KR (2) KR100920855B1 (https=)
IL (2) IL147483A0 (https=)
TW (1) TWI240091B (https=)
WO (1) WO2001004539A1 (https=)

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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
KR100788827B1 (ko) * 2001-05-22 2007-12-27 니치아 카가쿠 고교 가부시키가이샤 면발광 장치의 도광판
CN1328610C (zh) * 2001-08-06 2007-07-25 Mei公司 票据验证装置组件
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
CN102411163B (zh) * 2010-07-23 2013-07-10 颖台科技股份有限公司 导光装置及具有导光装置的背光模块与液晶显示器
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
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
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
JP2710465B2 (ja) * 1990-09-12 1998-02-10 三菱レイヨン株式会社 面光源素子

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US4183628A (en) * 1976-05-20 1980-01-15 Ebauches S.A. Electronic watch and display device for such watch
US4802737A (en) * 1986-04-28 1989-02-07 Denton Peter R Anti-relfection overlay device
WO1992004400A1 (fr) * 1990-09-04 1992-03-19 Ohno Research And Development Laboratories Co., Ltd. Element optique en plastique comportant sur sa surface une couche de diffusion de la lumiere, et element de regulation de la quantite de lumiere diffusee
CA2068422A1 (en) * 1990-09-12 1992-03-13 Makoto Ohe Surface light source element
CA2168107C (en) * 1993-07-27 2001-02-13 Joel Petersen Light source destructuring and shaping device
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
JP3151830B2 (ja) * 1996-10-25 2001-04-03 オムロン株式会社 面光源装置ならびに面光源装置を用いた液晶表示装置，携帯電話機および情報端末機
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
JP3379043B2 (ja) * 1998-06-29 2003-02-17 ミネベア株式会社 面状照明装置
FI106323B (fi) * 1998-12-30 2001-01-15 Nokia Mobile Phones Ltd Taustavalaistuksen valonjohdin litteälle näytölle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2710465B2 (ja) * 1990-09-12 1998-02-10 三菱レイヨン株式会社 面光源素子
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
JP4343474B2 (ja) 2009-10-14
KR100968666B1 (ko) 2010-07-06
EP1203186A4 (en) 2002-08-14
US6386721B1 (en) 2002-05-14
WO2001004539A1 (en) 2001-01-18
JP4689730B2 (ja) 2011-05-25
TWI240091B (en) 2005-09-21
KR20090077838A (ko) 2009-07-15
EP1203186A1 (en) 2002-05-08
IL147483A (en) 2008-11-03
KR20020030077A (ko) 2002-04-22
IL147483A0 (en) 2002-08-14
JP2003504681A (ja) 2003-02-04

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