KR0139482B1 - 조명 장치 및 그것을 이용한 액정 표시 장치 - Google Patents

조명 장치 및 그것을 이용한 액정 표시 장치

Info

Publication number
KR0139482B1
KR0139482B1 KR1019940024715A KR19940024715A KR0139482B1 KR 0139482 B1 KR0139482 B1 KR 0139482B1 KR 1019940024715 A KR1019940024715 A KR 1019940024715A KR 19940024715 A KR19940024715 A KR 19940024715A KR 0139482 B1 KR0139482 B1 KR 0139482B1
Authority
KR
South Korea
Prior art keywords
light
reflecting
light guide
cathode tube
metal mirror
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
KR1019940024715A
Other languages
English (en)
Korean (ko)
Other versions
KR950009325A (ko
Inventor
마사노부 오까노
Original Assignee
쯔지 하루오
샤프 가부시끼가이샤
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 쯔지 하루오, 샤프 가부시끼가이샤 filed Critical 쯔지 하루오
Publication of KR950009325A publication Critical patent/KR950009325A/ko
Application granted granted Critical
Publication of KR0139482B1 publication Critical patent/KR0139482B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting 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
    • 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
    • G02B6/0055—Reflecting 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • 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

Landscapes

  • 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)
KR1019940024715A 1993-09-30 1994-09-29 조명 장치 및 그것을 이용한 액정 표시 장치 Expired - Fee Related KR0139482B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5245081A JPH07104290A (ja) 1993-09-30 1993-09-30 照明装置およびそれを用いた液晶表示装置
JP93-245081 1993-09-30

Publications (2)

Publication Number Publication Date
KR950009325A KR950009325A (ko) 1995-04-21
KR0139482B1 true KR0139482B1 (ko) 1998-06-15

Family

ID=17128323

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940024715A Expired - Fee Related KR0139482B1 (ko) 1993-09-30 1994-09-29 조명 장치 및 그것을 이용한 액정 표시 장치

Country Status (4)

Country Link
US (1) US5560698A (enExample)
JP (1) JPH07104290A (enExample)
KR (1) KR0139482B1 (enExample)
TW (1) TW289105B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3322579B2 (ja) * 1996-10-17 2002-09-09 株式会社エンプラス サイドライト型面光源装置
JPH10338074A (ja) * 1997-06-06 1998-12-22 World Auto Plate Kk 字光性ナンバープレート
ES2315948T3 (es) * 1997-12-09 2009-04-01 Federal-Mogul Ignition Company Estructuras de guia de ondas opticas para iluminacion de vehiculo.
JP3301752B2 (ja) * 2000-03-31 2002-07-15 三菱電機株式会社 フロントライト、反射型液晶表示装置および携帯情報端末
KR100783619B1 (ko) * 2002-06-29 2007-12-07 삼성전자주식회사 조명장치와 이를 갖는 백라이트 어셈블리 및 액정표시장치
TW580147U (en) * 2003-01-06 2004-03-11 Toppoly Optoelectronics Corp Back light module
US7318665B2 (en) * 2005-04-13 2008-01-15 Radiant Opto-Electronics Corp. Corner enhancing device for light guide plate of backlight module
USD564699S1 (en) * 2005-06-27 2008-03-18 Lecip Corporation Low profile light source
WO2008111262A1 (ja) * 2007-03-09 2008-09-18 Sharp Kabushiki Kaisha 表示装置用照明装置、表示装置
WO2008111265A1 (ja) * 2007-03-09 2008-09-18 Sharp Kabushiki Kaisha 表示装置用照明装置、表示装置
TWI368082B (en) 2007-03-15 2012-07-11 Au Optronics Corp Display panel
CN101334134A (zh) * 2008-07-23 2008-12-31 伟志光电（深圳）有限公司 光棒型led照明光源

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742215B2 (ja) * 1990-07-04 1995-05-10 花王株式会社 毛髪処理剤組成物
US5262928A (en) * 1991-02-21 1993-11-16 Tosoh Corporation Back lighting device
DE69207934T2 (de) * 1991-03-29 1996-09-05 Nissha Printing Flächenartige Lichtquelle
JPH05142535A (ja) * 1991-08-29 1993-06-11 Meitaku Syst:Kk エツジライトパネルの入射光供給装置
JPH05134231A (ja) * 1991-11-13 1993-05-28 Seiko Epson Corp バツクライト装置及び液晶表示装置
JPH0695112A (ja) * 1992-09-16 1994-04-08 Hitachi Ltd プリズムプレートおよびそれを用いた情報表示装置

Also Published As

Publication number Publication date
TW289105B (enExample) 1996-10-21
US5560698A (en) 1996-10-01
KR950009325A (ko) 1995-04-21
JPH07104290A (ja) 1995-04-21

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