TW200613800A - Backlight apparatus reduced in thickness - Google Patents

Backlight apparatus reduced in thickness

Info

Publication number
TW200613800A
TW200613800A TW094104281A TW94104281A TW200613800A TW 200613800 A TW200613800 A TW 200613800A TW 094104281 A TW094104281 A TW 094104281A TW 94104281 A TW94104281 A TW 94104281A TW 200613800 A TW200613800 A TW 200613800A
Authority
TW
Taiwan
Prior art keywords
light
transparent plate
backlight apparatus
shades
thickness
Prior art date
Application number
TW094104281A
Other languages
English (en)
Other versions
TWI308649B (en
Inventor
Hun-Joo Hahm
Hyung-Suk Kim
Jung-Kyu Park
Ho-Sik Ahn
Young-Sam Park
Bum Jin Kim
Young June Jeong
Original Assignee
Samsung Electro Mech
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 Electro Mech filed Critical Samsung Electro Mech
Publication of TW200613800A publication Critical patent/TW200613800A/zh
Application granted granted Critical
Publication of TWI308649B publication Critical patent/TWI308649B/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
    • 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
    • G02B6/0066—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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces

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)
TW094104281A 2004-10-20 2005-02-15 Backlight apparatus reduced in thickness TWI308649B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040084122A KR100638658B1 (ko) 2004-10-20 2004-10-20 백라이트 장치

Publications (2)

Publication Number Publication Date
TW200613800A true TW200613800A (en) 2006-05-01
TWI308649B TWI308649B (en) 2009-04-11

Family

ID=36180539

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094104281A TWI308649B (en) 2004-10-20 2005-02-15 Backlight apparatus reduced in thickness

Country Status (4)

Country Link
US (1) US7195364B2 (zh)
JP (1) JP2006120594A (zh)
KR (1) KR100638658B1 (zh)
TW (1) TWI308649B (zh)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI262342B (en) * 2005-02-18 2006-09-21 Au Optronics Corp Device for fastening lighting unit in backlight module
JP4595595B2 (ja) * 2005-03-08 2010-12-08 ソニー株式会社 バックライト装置及び液晶表示装置
TWM305360U (en) * 2006-08-31 2007-01-21 K Bridge Electronics Co Ltd Improved structure of backlight module
EP2067065B1 (en) * 2006-09-19 2017-05-31 Philips Lighting Holding B.V. Illumination system, luminaire and display device
US7481563B2 (en) * 2006-09-21 2009-01-27 3M Innovative Properties Company LED backlight
CN101479525B (zh) * 2006-10-27 2012-02-08 夏普株式会社 照明装置和液晶显示装置
TWI325502B (en) * 2007-03-03 2010-06-01 Au Optronics Corp Diffuser having optical structures
TWI361316B (en) * 2007-07-11 2012-04-01 Au Optronics Corp Backlight module structure and backlight module comprising said structure
US7872705B2 (en) * 2007-07-29 2011-01-18 Cree, Inc. LED backlight system for LCD displays
JP4517307B2 (ja) * 2007-11-14 2010-08-04 ソニー株式会社 面光源装置及び画像表示装置
GB2448564B (en) * 2007-11-26 2009-04-29 Iti Scotland Ltd Light guides
KR101289070B1 (ko) * 2007-11-28 2013-07-22 엘지디스플레이 주식회사 액정표시장치
CN101520159A (zh) * 2008-02-29 2009-09-02 鹏智科技(深圳)有限公司 具均匀发光效果的电子装置
GB2464916B (en) * 2008-10-21 2013-07-31 Iti Scotland Ltd Light Guides
KR101555340B1 (ko) 2008-11-05 2015-09-30 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR101751711B1 (ko) 2009-03-05 2017-06-28 아이티아이 스코틀랜드 리미티드 광 가이드들
GB2468411A (en) 2009-03-05 2010-09-08 Iti Scotland Ltd Light guide with heat sink
TWI393958B (zh) 2009-04-08 2013-04-21 Au Optronics Corp 背光模組與液晶顯示器
TWI421588B (zh) * 2009-12-31 2014-01-01 Chi Lin Optoelectronics Co Ltd Backlight module
KR20110114268A (ko) 2010-04-13 2011-10-19 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
SG11201400772WA (en) 2011-09-20 2014-04-28 3M Innovative Properties Co Backlight device
JP2013073874A (ja) * 2011-09-29 2013-04-22 Hitachi Consumer Electronics Co Ltd バックライト装置及びこれを用いた液晶表示装置
TW201320412A (zh) * 2011-11-14 2013-05-16 長榮光電股份有限公司 發光二極體封裝
KR20150072515A (ko) * 2013-12-19 2015-06-30 삼성디스플레이 주식회사 백라이트 유닛 및 이를 갖는 표시장치
ES2952637T3 (es) * 2014-05-15 2023-11-02 Rohinni Inc Difusión de luz con fuentes generadoras de luz
US10591660B2 (en) 2017-09-09 2020-03-17 Svv Technology Innovations, Inc. Wide-area solid-state illumination devices and systems
US11204458B2 (en) 2018-11-12 2021-12-21 S.V.V. Technology Innovations, Inc. Wide-area solid-state illumination devices and systems employing sheet-form light guides and method of making the same
KR102710094B1 (ko) * 2019-03-19 2024-09-26 주식회사 루멘스 면광원 모듈 및 그 제조 방법
US10962701B2 (en) 2019-04-04 2021-03-30 S.V.V. Technology Innovations, Inc. Wide-area solid-state illumination devices and systems
CN115407550B (zh) * 2021-05-28 2024-03-12 海信视像科技股份有限公司 一种显示装置
CN113433736B (zh) * 2021-07-07 2022-09-27 武汉华星光电技术有限公司 背光模组、背光模组制作方法及显示装置
CN113721385B (zh) * 2021-08-18 2024-07-09 安徽芯瑞达科技股份有限公司 一种均匀出光的Mini LED芯片背光模组
CN114415418A (zh) * 2021-12-30 2022-04-29 厦门天马微电子有限公司 背光模组及显示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4023079B2 (ja) * 2000-08-31 2007-12-19 株式会社日立製作所 面状照明装置及びこれを備えた表示装置
TWI321248B (en) * 2003-05-12 2010-03-01 Au Optronics Corp Led backlight module

Also Published As

Publication number Publication date
US20060083019A1 (en) 2006-04-20
KR20060035044A (ko) 2006-04-26
JP2006120594A (ja) 2006-05-11
KR100638658B1 (ko) 2006-10-30
TWI308649B (en) 2009-04-11
US7195364B2 (en) 2007-03-27

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Legal Events

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