KR100409150B1 - - Google Patents

Info

Publication number
KR100409150B1
KR100409150B1 KR10-1998-0705891A KR19980705891A KR100409150B1 KR 100409150 B1 KR100409150 B1 KR 100409150B1 KR 19980705891 A KR19980705891 A KR 19980705891A KR 100409150 B1 KR100409150 B1 KR 100409150B1
Authority
KR
South Korea
Prior art keywords
light
face
conductor
light source
light emitting
Prior art date
Application number
KR10-1998-0705891A
Other languages
English (en)
Other versions
KR19990082166A (ko
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
Priority claimed from JP17512296A external-priority patent/JP3682124B2/ja
Application filed filed Critical
Publication of KR19990082166A publication Critical patent/KR19990082166A/ko
Application granted granted Critical
Publication of KR100409150B1 publication Critical patent/KR100409150B1/ko

Links

Classifications

    • 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
    • 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
    • G02B6/005—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
KR1019980705891A 1996-02-01 1997-01-31 면 광원 소자 및 그것을 사용한 액정 표시 장치, 표시 장치 및교통 표지 장치 KR19990082166A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP4071996 1996-02-01
JP96-40719 1996-02-01
JP96-16928 1996-02-01
JP1692896 1996-02-01
JP17512296A JP3682124B2 (ja) 1996-07-04 1996-07-04 面光源素子
JP96-175122 1996-07-04

Publications (2)

Publication Number Publication Date
KR19990082166A KR19990082166A (ko) 1999-11-25
KR100409150B1 true KR100409150B1 (ko) 2004-02-18

Family

ID=27281622

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980705891A KR19990082166A (ko) 1996-02-01 1997-01-31 면 광원 소자 및 그것을 사용한 액정 표시 장치, 표시 장치 및교통 표지 장치

Country Status (7)

Country Link
US (3) US6099135A (ko)
EP (1) EP0882930B1 (ko)
KR (1) KR19990082166A (ko)
CN (1) CN1078335C (ko)
DE (1) DE69740010D1 (ko)
ID (1) ID15863A (ko)
WO (1) WO1997028403A1 (ko)

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US8928967B2 (en) 1998-04-08 2015-01-06 Qualcomm Mems Technologies, Inc. Method and device for modulating light
DE19920917A1 (de) * 1999-05-06 2000-11-09 Mannesmann Vdo Ag Anzeige mit einer Beleuchtungseinheit
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JP3959024B2 (ja) * 2000-07-24 2007-08-15 三菱レイヨン株式会社 面光源装置及びそれに用いるプリズムシート
CN100406998C (zh) * 2000-12-13 2008-07-30 三菱丽阳株式会社 光源装置
JP2002184223A (ja) * 2000-12-14 2002-06-28 Alps Electric Co Ltd 面発光装置及びその製造方法並びに液晶表示装置
US6502947B2 (en) * 2001-03-30 2003-01-07 Mitsubishi Rayon Co., Ltd. Planar light source device and liquid crystal display apparatus
US6969834B2 (en) * 2001-07-03 2005-11-29 Matsushita Electric Industrial Co., Ltd. Line type luminous device and induction heating cooker employing same
JP4095024B2 (ja) * 2001-08-27 2008-06-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 拡大された表示窓を備える光パネル
WO2003069222A1 (fr) * 2002-01-18 2003-08-21 Mitsubishi Rayon Co., Ltd. Dispositif d'eclairage
US6946975B2 (en) * 2002-04-04 2005-09-20 Siemens Airfield Solutions Uniformly lighted airfield guidance sign
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
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CN100432709C (zh) * 2004-09-27 2008-11-12 中华映管股份有限公司 笔记本电脑、背光模块及其导光板
US7630123B2 (en) 2004-09-27 2009-12-08 Qualcomm Mems Technologies, Inc. Method and device for compensating for color shift as a function of angle of view
KR101090387B1 (ko) * 2004-09-30 2011-12-07 소니 가부시키가이샤 광학 시트, 백라이트 및 액정 표시 장치
KR100735148B1 (ko) * 2004-11-22 2007-07-03 (주)케이디티 백라이트 장치용 광 여기 확산시트, 이를 이용한액정표시용 백라이트 장치
JP4676190B2 (ja) * 2004-11-25 2011-04-27 大日本印刷株式会社 光拡散シート及び透過型スクリーン
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JP2007258152A (ja) * 2006-02-24 2007-10-04 Citizen Electronics Co Ltd バックライトユニット及びそれを備えた表示装置
KR100728940B1 (ko) 2006-03-10 2007-06-14 (주)케이디티 광여기 시트
KR100773993B1 (ko) * 2006-03-10 2007-11-08 (주)케이디티 광여기 시트
KR100827712B1 (ko) * 2006-05-10 2008-05-07 순천향대학교 산학협력단 광 도파로
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JP4784410B2 (ja) * 2006-06-22 2011-10-05 ソニー株式会社 光ピックアップ及び光ディスク装置
US7845841B2 (en) * 2006-08-28 2010-12-07 Qualcomm Mems Technologies, Inc. Angle sweeping holographic illuminator
CN101529284B (zh) * 2006-09-15 2012-05-30 Mgc菲尔须特股份有限公司 相位差膜
EP1903358A1 (en) 2006-09-22 2008-03-26 Centro Ricerche Plast-Optica S.r.l. Lighting device with a light guide and means for re-directing the light extracted from the light guide
EP2069838A2 (en) 2006-10-06 2009-06-17 Qualcomm Mems Technologies, Inc. Illumination device with built-in light coupler
ATE556272T1 (de) 2006-10-06 2012-05-15 Qualcomm Mems Technologies Inc Optische verluststruktur in einer beleuchtungsvorrichtung
US8107155B2 (en) 2006-10-06 2012-01-31 Qualcomm Mems Technologies, Inc. System and method for reducing visual artifacts in displays
US8872085B2 (en) 2006-10-06 2014-10-28 Qualcomm Mems Technologies, Inc. Display device having front illuminator with turning features
US7855827B2 (en) 2006-10-06 2010-12-21 Qualcomm Mems Technologies, Inc. Internal optical isolation structure for integrated front or back lighting
WO2008045462A2 (en) 2006-10-10 2008-04-17 Qualcomm Mems Technologies, Inc. Display device with diffractive optics
US7864395B2 (en) 2006-10-27 2011-01-04 Qualcomm Mems Technologies, Inc. Light guide including optical scattering elements and a method of manufacture
US20080174519A1 (en) * 2007-01-23 2008-07-24 Chan-Long Shieh Reconfigurable color signage using bistable light valve
JP5261823B2 (ja) * 2007-01-25 2013-08-14 住友電工ファインポリマー株式会社 光学モジュールおよびその製造方法
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CN110945284A (zh) * 2017-07-21 2020-03-31 镭亚股份有限公司 具有微透镜的基于多光束元件的背光体及使用其的显示器
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JPH01107406A (ja) * 1987-10-20 1989-04-25 Chatani Sangyo Kk 面照明装置
JPH0727136B2 (ja) * 1987-11-12 1995-03-29 三菱レイヨン株式会社 面光源素子
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JPH0727137B2 (ja) * 1988-06-02 1995-03-29 三菱レイヨン株式会社 面光源素子
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Also Published As

Publication number Publication date
CN1212042A (zh) 1999-03-24
ID15863A (id) 1997-08-14
US6099135A (en) 2000-08-08
US6244719B1 (en) 2001-06-12
US20010030861A1 (en) 2001-10-18
DE69740010D1 (de) 2010-11-11
EP0882930B1 (en) 2010-09-29
CN1078335C (zh) 2002-01-23
EP0882930A4 (en) 1999-03-31
US6332691B2 (en) 2001-12-25
WO1997028403A1 (fr) 1997-08-07
EP0882930A1 (en) 1998-12-09
KR19990082166A (ko) 1999-11-25

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