KR100975572B1 - 백라이트 유닛 및 이를 포함하는 액정표시장치 - Google Patents

백라이트 유닛 및 이를 포함하는 액정표시장치 Download PDF

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Publication number
KR100975572B1
KR100975572B1 KR1020070014310A KR20070014310A KR100975572B1 KR 100975572 B1 KR100975572 B1 KR 100975572B1 KR 1020070014310 A KR1020070014310 A KR 1020070014310A KR 20070014310 A KR20070014310 A KR 20070014310A KR 100975572 B1 KR100975572 B1 KR 100975572B1
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KR
South Korea
Prior art keywords
temperature
circuit board
regulating member
frame
light emitting
Prior art date
Application number
KR1020070014310A
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English (en)
Korean (ko)
Other versions
KR20080037997A (ko
Inventor
강준
조진현
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to EP07117060A priority Critical patent/EP1918769B1/en
Priority to US11/862,274 priority patent/US7903227B2/en
Priority to CN2007100932665A priority patent/CN101271209B/zh
Publication of KR20080037997A publication Critical patent/KR20080037997A/ko
Application granted granted Critical
Publication of KR100975572B1 publication Critical patent/KR100975572B1/ko

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    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Planar Illumination Modules (AREA)
KR1020070014310A 2006-10-27 2007-02-12 백라이트 유닛 및 이를 포함하는 액정표시장치 KR100975572B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07117060A EP1918769B1 (en) 2006-10-27 2007-09-24 Backlight unit and liquid crystal display device including the same
US11/862,274 US7903227B2 (en) 2006-10-27 2007-09-27 Backlight unit and liquid crystal display device including the same
CN2007100932665A CN101271209B (zh) 2006-10-27 2007-10-10 背光单元及包括该背光单元的液晶显示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20060105136 2006-10-27
KR1020060105136 2006-10-27

Publications (2)

Publication Number Publication Date
KR20080037997A KR20080037997A (ko) 2008-05-02
KR100975572B1 true KR100975572B1 (ko) 2010-08-13

Family

ID=39646851

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070014310A KR100975572B1 (ko) 2006-10-27 2007-02-12 백라이트 유닛 및 이를 포함하는 액정표시장치

Country Status (2)

Country Link
KR (1) KR100975572B1 (zh)
CN (1) CN101271209B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021230395A1 (ko) * 2020-05-13 2021-11-18 엘지전자 주식회사 디스플레이 장치

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5188484B2 (ja) * 2009-10-01 2013-04-24 日本電波工業株式会社 恒温型の水晶発振器
CN101936487B (zh) * 2010-08-20 2013-06-05 深圳市华星光电技术有限公司 背光模组
CN101975376B (zh) * 2010-10-08 2012-07-11 深圳市华星光电技术有限公司 背光模块的发光源散热构造
CN102692737B (zh) * 2011-03-25 2016-06-08 青岛海信电器股份有限公司 一种led显示设备
CN104918425A (zh) * 2014-03-10 2015-09-16 联想(北京)有限公司 壳体、电子设备和热辐射处理方法
KR102177215B1 (ko) * 2014-10-07 2020-11-11 삼성디스플레이 주식회사 표시 장치
CN114067673A (zh) * 2020-08-03 2022-02-18 群创光电股份有限公司 显示装置
CN116704883B (zh) * 2022-11-18 2024-05-28 荣耀终端有限公司 一种电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050072623A (ko) * 2004-01-07 2005-07-12 삼성전자주식회사 램프 어셈블리 및 이를 갖는 표시장치
KR20060095361A (ko) * 2005-02-28 2006-08-31 엘지.필립스 엘시디 주식회사 백 라이트 유닛 및 이를 이용한 액정 표시 장치
KR20060104081A (ko) * 2005-03-29 2006-10-09 삼성전자주식회사 액정표시장치
KR20060127365A (ko) * 2005-06-07 2006-12-12 삼성전자주식회사 액정표시장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6966674B2 (en) * 2004-02-17 2005-11-22 Au Optronics Corp. Backlight module and heat dissipation structure thereof
JP4182930B2 (ja) * 2004-07-12 2008-11-19 ソニー株式会社 表示装置及びバックライト装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050072623A (ko) * 2004-01-07 2005-07-12 삼성전자주식회사 램프 어셈블리 및 이를 갖는 표시장치
KR20060095361A (ko) * 2005-02-28 2006-08-31 엘지.필립스 엘시디 주식회사 백 라이트 유닛 및 이를 이용한 액정 표시 장치
KR20060104081A (ko) * 2005-03-29 2006-10-09 삼성전자주식회사 액정표시장치
KR20060127365A (ko) * 2005-06-07 2006-12-12 삼성전자주식회사 액정표시장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021230395A1 (ko) * 2020-05-13 2021-11-18 엘지전자 주식회사 디스플레이 장치
US11397294B2 (en) 2020-05-13 2022-07-26 Lg Electronics Inc. Display device

Also Published As

Publication number Publication date
KR20080037997A (ko) 2008-05-02
CN101271209A (zh) 2008-09-24
CN101271209B (zh) 2010-10-13

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