KR100643238B1 - 백라이트유닛 - Google Patents

백라이트유닛 Download PDF

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Publication number
KR100643238B1
KR100643238B1 KR1020040093881A KR20040093881A KR100643238B1 KR 100643238 B1 KR100643238 B1 KR 100643238B1 KR 1020040093881 A KR1020040093881 A KR 1020040093881A KR 20040093881 A KR20040093881 A KR 20040093881A KR 100643238 B1 KR100643238 B1 KR 100643238B1
Authority
KR
South Korea
Prior art keywords
support plate
heat
heat dissipation
heat pipe
dissipation member
Prior art date
Application number
KR1020040093881A
Other languages
English (en)
Korean (ko)
Other versions
KR20060030454A (ko
Inventor
김원년
노지환
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 CN2005800339170A priority Critical patent/CN101036082B/zh
Priority to PCT/KR2005/003214 priority patent/WO2006038778A1/en
Priority to EP05792761A priority patent/EP1800180A4/en
Priority to US11/242,011 priority patent/US7762707B2/en
Publication of KR20060030454A publication Critical patent/KR20060030454A/ko
Application granted granted Critical
Publication of KR100643238B1 publication Critical patent/KR100643238B1/ko

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • 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
    • G02F1/133628—Illuminating devices with cooling means

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)
KR1020040093881A 2004-10-05 2004-11-17 백라이트유닛 KR100643238B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2005800339170A CN101036082B (zh) 2004-10-05 2005-09-28 背光单元
PCT/KR2005/003214 WO2006038778A1 (en) 2004-10-05 2005-09-28 Backlight unit
EP05792761A EP1800180A4 (en) 2004-10-05 2005-09-28 TAIL LIGHT UNIT
US11/242,011 US7762707B2 (en) 2004-10-05 2005-10-04 Backlight unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040079134 2004-10-05
KR20040079134 2004-10-05

Publications (2)

Publication Number Publication Date
KR20060030454A KR20060030454A (ko) 2006-04-10
KR100643238B1 true KR100643238B1 (ko) 2006-11-10

Family

ID=37140484

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040093881A KR100643238B1 (ko) 2004-10-05 2004-11-17 백라이트유닛

Country Status (2)

Country Link
KR (1) KR100643238B1 (zh)
CN (1) CN101036082B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101183457B1 (ko) 2006-10-16 2012-09-14 삼성전자주식회사 액정표시장치 및 그 제어방법
US8031292B2 (en) 2006-11-21 2011-10-04 Samsung Electronics Co., Ltd. Liquid crystal display comprising first and second point light source assemblies wherein a first support substrate is larger than the second support substrate, and a first groove of a lower container is deeper than a second groove
JP5491063B2 (ja) 2009-04-27 2014-05-14 キヤノン株式会社 表示装置及び調整機構

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003331604A (ja) * 2002-05-16 2003-11-21 Harison Toshiba Lighting Corp バックライトユニット
DE10245892A1 (de) * 2002-09-30 2004-05-13 Siemens Ag Beleuchtungseinrichtung zur Hinterleuchtung einer Bildwiedergabevorrichtung
CN2641676Y (zh) * 2003-08-13 2004-09-15 矽连科技股份有限公司 液晶显示器散热装置
JP4706206B2 (ja) * 2004-08-18 2011-06-22 ソニー株式会社 放熱装置及び表示装置

Also Published As

Publication number Publication date
KR20060030454A (ko) 2006-04-10
CN101036082B (zh) 2011-12-07
CN101036082A (zh) 2007-09-12

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