TWI286640B - Liquid crystal display module - Google Patents

Liquid crystal display module Download PDF

Info

Publication number
TWI286640B
TWI286640B TW089126926A TW89126926A TWI286640B TW I286640 B TWI286640 B TW I286640B TW 089126926 A TW089126926 A TW 089126926A TW 89126926 A TW89126926 A TW 89126926A TW I286640 B TWI286640 B TW I286640B
Authority
TW
Taiwan
Prior art keywords
lamp
plate
light guide
guide plate
light
Prior art date
Application number
TW089126926A
Other languages
English (en)
Chinese (zh)
Inventor
Jung-Ki Kim
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of TWI286640B publication Critical patent/TWI286640B/zh

Links

Classifications

    • 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
    • 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
    • G02B6/0035—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0055—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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package

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)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
TW089126926A 1999-12-15 2000-12-15 Liquid crystal display module TWI286640B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019990057984A KR100656540B1 (ko) 1999-12-15 1999-12-15 액정표시장치 모듈 및 표시장치

Publications (1)

Publication Number Publication Date
TWI286640B true TWI286640B (en) 2007-09-11

Family

ID=19626106

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089126926A TWI286640B (en) 1999-12-15 2000-12-15 Liquid crystal display module

Country Status (4)

Country Link
US (1) US6856363B2 (enExample)
JP (1) JP4672133B2 (enExample)
KR (1) KR100656540B1 (enExample)
TW (1) TWI286640B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003255309A (ja) * 2002-03-04 2003-09-10 Nec Lcd Technologies Ltd 光学ユニット及びそれを用いた液晶表示装置
US7077554B2 (en) * 2002-12-12 2006-07-18 Samsung Electronics Co., Ltd. Light guide plate with stepped edge and display device having the same
TWI257511B (en) * 2004-02-18 2006-07-01 Quanta Display Inc Back light module of liquid crystal display
KR100999011B1 (ko) * 2004-04-30 2010-12-09 엘지디스플레이 주식회사 백라이트 유닛과 이를 이용한 액정표시장치
JP2006053303A (ja) * 2004-08-11 2006-02-23 Fujitsu Display Technologies Corp 液晶表示装置
KR101256666B1 (ko) * 2006-02-04 2013-04-19 엘지디스플레이 주식회사 액정표시모듈
US20080013337A1 (en) * 2006-07-13 2008-01-17 Chia-Ching Lien Backlight module and liquid crystal display
JP2008269433A (ja) * 2007-04-23 2008-11-06 Fujitsu Ltd 画像表示装置および電子機器
CN100568070C (zh) * 2008-08-18 2009-12-09 友达光电股份有限公司 液晶显示器
TWI405010B (zh) * 2009-07-10 2013-08-11 Au Optronics Corp 減少漏光之背光模組
EP2390693B1 (en) 2010-05-25 2022-11-23 Suzhou Lekin Semiconductor Co., Ltd. Backlight unit and display device
CN102155687A (zh) * 2011-03-04 2011-08-17 深圳市华星光电技术有限公司 背光模组、液晶显示装置及背板
CN103323903B (zh) * 2013-06-15 2015-11-18 苏州达方电子有限公司 用于发光键盘的导光板及发光键盘
DE102014101495B4 (de) 2014-02-06 2019-06-19 Fujitsu Technology Solutions Intellectual Property Gmbh Verfahren zum Zugang zu einem physisch abgesicherten Rack sowie Computernetz-Infrastruktur

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0347584U (enExample) * 1989-09-18 1991-05-02
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
JP3667792B2 (ja) * 1994-08-23 2005-07-06 三洋電機株式会社 照明装置及びそれを用いた液晶表示装置
JP2853968B2 (ja) * 1994-11-04 1999-02-03 スタンレー電気株式会社 面光源装置
JP3251452B2 (ja) * 1995-01-31 2002-01-28 シャープ株式会社 液晶表示装置におけるバックライト装置
JP2830972B2 (ja) * 1995-03-06 1998-12-02 株式会社日立製作所 液晶表示装置
JPH095744A (ja) * 1995-04-20 1997-01-10 Toshiba Corp 平面表示装置
JPH1010533A (ja) * 1996-06-26 1998-01-16 Kyocera Corp 液晶表示装置
JPH10162617A (ja) * 1996-11-29 1998-06-19 Toshiba Lighting & Technol Corp バックライト及びこれを用いた照明装置
JPH10162618A (ja) * 1996-12-02 1998-06-19 Matsushita Electric Ind Co Ltd 照明ユニット及びそれを用いた液晶表示装置
JPH10186138A (ja) * 1996-12-27 1998-07-14 Erebamu:Kk 蛍光バックライト装置及び表示装置
JP3387785B2 (ja) * 1997-08-12 2003-03-17 松下電器産業株式会社 表示装置のバックライト
JPH11142848A (ja) * 1997-11-14 1999-05-28 Nippon Seiki Co Ltd 液晶表示装置
JPH11149072A (ja) * 1997-11-18 1999-06-02 Matsushita Electric Ind Co Ltd 液晶表示モジュール
JPH11305226A (ja) * 1998-04-22 1999-11-05 Hitachi Ltd 液晶表示装置
KR20000050379A (ko) * 1999-01-08 2000-08-05 윤종용 액정표시기 모듈용 백라이트 어셈블리

Also Published As

Publication number Publication date
KR20010056508A (ko) 2001-07-04
US6856363B2 (en) 2005-02-15
JP4672133B2 (ja) 2011-04-20
JP2001210127A (ja) 2001-08-03
KR100656540B1 (ko) 2006-12-12
US20020021383A1 (en) 2002-02-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees