TWI368085B - Backlight unit and liquid crystal display device having the same - Google Patents

Backlight unit and liquid crystal display device having the same

Info

Publication number
TWI368085B
TWI368085B TW097105546A TW97105546A TWI368085B TW I368085 B TWI368085 B TW I368085B TW 097105546 A TW097105546 A TW 097105546A TW 97105546 A TW97105546 A TW 97105546A TW I368085 B TWI368085 B TW I368085B
Authority
TW
Taiwan
Prior art keywords
liquid crystal
display device
same
crystal display
backlight unit
Prior art date
Application number
TW097105546A
Other languages
English (en)
Other versions
TW200923514A (en
Inventor
Hun Joo Hahm
Hyung Suk Kim
Dae Yeon Kim
Original Assignee
Samsung Led 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 Led Co Ltd filed Critical Samsung Led Co Ltd
Publication of TW200923514A publication Critical patent/TW200923514A/zh
Application granted granted Critical
Publication of TWI368085B publication Critical patent/TWI368085B/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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • 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
    • 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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/133608—Direct backlight including particular frames or supporting means

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
TW097105546A 2007-11-23 2008-02-18 Backlight unit and liquid crystal display device having the same TWI368085B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070120189A KR101389349B1 (ko) 2007-11-23 2007-11-23 백라이트 유닛 및 이를 구비한 액정표시장치

Publications (2)

Publication Number Publication Date
TW200923514A TW200923514A (en) 2009-06-01
TWI368085B true TWI368085B (en) 2012-07-11

Family

ID=40669396

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097105546A TWI368085B (en) 2007-11-23 2008-02-18 Backlight unit and liquid crystal display device having the same

Country Status (4)

Country Link
US (1) US7782419B2 (zh)
JP (1) JP4890485B2 (zh)
KR (1) KR101389349B1 (zh)
TW (1) TWI368085B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101394932B1 (ko) * 2007-11-13 2014-05-14 엘지디스플레이 주식회사 액정표시모듈 및 그 조립방법
KR101294850B1 (ko) * 2008-11-27 2013-08-08 엘지디스플레이 주식회사 액정표시장치
KR101648886B1 (ko) * 2010-10-13 2016-08-17 삼성전자주식회사 액정표시모듈 및 이를 구비한 액정표시장치
CN102798042B (zh) * 2012-07-31 2014-09-17 深圳市华星光电技术有限公司 一种背光模组及液晶显示器
KR102241557B1 (ko) 2014-09-22 2021-04-19 삼성디스플레이 주식회사 표시 장치
KR20160035132A (ko) 2014-09-22 2016-03-31 삼성디스플레이 주식회사 표시 장치
CN105757537B (zh) 2016-03-25 2020-11-13 京东方科技集团股份有限公司 一种背光模组及显示装置
US10520664B2 (en) 2016-03-25 2019-12-31 Boe Technology Group Co., Ltd. Backlight module and display device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6717559B2 (en) * 2001-01-16 2004-04-06 Visteon Global Technologies, Inc. Temperature compensated parallel LED drive circuit
JP3991358B2 (ja) * 2003-01-07 2007-10-17 ソニー株式会社 バックライト装置および液晶表示装置
KR101080355B1 (ko) * 2004-10-18 2011-11-04 삼성전자주식회사 발광다이오드와 그 렌즈
KR101197046B1 (ko) * 2005-01-26 2012-11-06 삼성디스플레이 주식회사 발광다이오드를 사용하는 2차원 광원 및 이를 이용한 액정표시 장치
US9087669B2 (en) * 2005-06-27 2015-07-21 Graftech International Holdings Inc. Display device having improved properties
KR100703094B1 (ko) * 2005-10-12 2007-04-06 삼성전기주식회사 Ｌｅｄ 백라이트 유닛
JP2007219075A (ja) * 2006-02-15 2007-08-30 Sharp Corp バックライト装置
KR100790697B1 (ko) 2006-02-21 2008-01-02 삼성전기주식회사 Ｌｅｄ 백라이트 유닛
CN101275720B (zh) * 2007-03-28 2010-12-01 鸿富锦精密工业（深圳）有限公司 发光二极管照明装置
JP2008251245A (ja) * 2007-03-29 2008-10-16 Sony Corp バックライト装置及び表示装置

Also Published As

Publication number Publication date
KR20090053366A (ko) 2009-05-27
US20090135332A1 (en) 2009-05-28
KR101389349B1 (ko) 2014-04-28
US7782419B2 (en) 2010-08-24
TW200923514A (en) 2009-06-01
JP4890485B2 (ja) 2012-03-07
JP2009129900A (ja) 2009-06-11

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Legal Events

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