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)
Korean (ko)
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
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
JP96-40719 1996-02-01
JP4071996 1996-02-01
JP96-16928 1996-02-01
JP1692896 1996-02-01
JP96-175122 1996-07-04
JP17512296A JP3682124B2 (ja) 1996-07-04 1996-07-04 面光源素子

Publications (2)

Publication Number Publication Date
KR19990082166A KR19990082166A (ko) 1999-11-25
KR100409150B1 true KR100409150B1 (US06244719-20010612-M00002.png) 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 (US06244719-20010612-M00002.png)
EP (1) EP0882930B1 (US06244719-20010612-M00002.png)
KR (1) KR19990082166A (US06244719-20010612-M00002.png)
CN (1) CN1078335C (US06244719-20010612-M00002.png)
DE (1) DE69740010D1 (US06244719-20010612-M00002.png)
ID (1) ID15863A (US06244719-20010612-M00002.png)
WO (1) WO1997028403A1 (US06244719-20010612-M00002.png)

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US8928967B2 (en) 1998-04-08 2015-01-06 Qualcomm Mems Technologies, Inc. Method and device for modulating light
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US6799859B1 (en) * 2000-07-24 2004-10-05 Mitsubishi Rayon Co., Ltd. Surface illuminant device and prism sheet used therefor
CN100405166C (zh) * 2000-12-13 2008-07-23 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
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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
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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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CN101600901A (zh) 2006-10-06 2009-12-09 高通Mems科技公司 集成于显示器的照明设备中的光学损失结构
US8107155B2 (en) 2006-10-06 2012-01-31 Qualcomm Mems Technologies, Inc. System and method for reducing visual artifacts in displays
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US20080174519A1 (en) * 2007-01-23 2008-07-24 Chan-Long Shieh Reconfigurable color signage using bistable light valve
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JPH01107406A (ja) * 1987-10-20 1989-04-25 Chatani Sangyo Kk 面照明装置
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Also Published As

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

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