JP2009224051A - Ledバックライト装置 - Google Patents
Ledバックライト装置 Download PDFInfo
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- JP2009224051A JP2009224051A JP2008064450A JP2008064450A JP2009224051A JP 2009224051 A JP2009224051 A JP 2009224051A JP 2008064450 A JP2008064450 A JP 2008064450A JP 2008064450 A JP2008064450 A JP 2008064450A JP 2009224051 A JP2009224051 A JP 2009224051A
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- heat
- bottom chassis
- liquid crystal
- led backlight
- backlight device
- Prior art date
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or 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
-
- 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
- H05K7/2099—Liquid coolant with phase change
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
【解決手段】ボトムシャーシ7のLEDを搭載したライトソース基板を組み合わせた第1主面対向する第2主面7B側に、中央部領域Hと周辺部領域LL、LRに跨って取付プレート17とヒートパイプ18を取り付け、ボトムシャーシ7の周辺部領域LL、LRにヒートパイプ18の端部を結合した放熱フィン19とから構成される放熱部16を設けて中央部領域Hの放熱を行い全体に亘って温度分布を均一化する。
【選択図】図3
Description
Claims (5)
- 多数個のLED(発光ダイオード)を実装したライトソース基板と、このライトソース基板を第1主面側に取り付けたボトムシャーシとを備え、表示パネルユニットに対して上記ライトソース基板の上記各LEDから出射した照明光を供給し、
上記ボトムシャーシの背面側に、全体に亘って温度分布の均一化を図る放熱手段が設けられ、
上記放熱手段が、上記ボトムシャーシに対して少なくとも高温部領域に取り付けた取付プレートと、上記高温部領域と低温部領域との間に跨って配置され上記取付プレートに取り付けたヒートパイプと、上記低温部領域に取り付けるとともに上記ヒートパイプの端部を結合した放熱フィンとから構成されるLEDバックライト装置。 - 上記放熱手段が、上記ボトムシャーシに対して少なくとも中央部領域に取り付けた上記取付プレートと、上記中央部領域と周辺部領域との間に跨って配置され上記取付プレートに取り付けた上記ヒートパイプと、上記ボトムシャーシの上記周辺部領域に取り付けるとともに上記ヒートパイプの端部を結合した上記放熱フィンとから構成される請求項1に記載のLEDバックライト装置。
- 金属板により形成した上記取付プレートに対して、上記ヒートパイプとともにその一端側に上記放熱フィンを取り付けて一体化した放熱ユニットを構成し、
上記取付プレートを上記ボトムシャーシに取り付けることにより、上記放熱ユニットを組み付けた請求項1に記載のLEDバックライト装置。 - 上記放熱フィンが、多数枚の金属板を互いの間隔を保持して厚み方向に組み合わせてなり、
上記ボトムシャーシの上記低温部領域に位置して高さ方向に配置するとともに、上記取付プレートを介して上記高温部領域と上記低温部領域に跨って延在される上記ヒートパイプの端部を厚み方向に貫通させて結合した請求項1に記載のLEDバックライト装置。 - 上記放熱手段を構成する上記取付プレートと上記ヒートパイプと上記放熱フィンとを、上記表示パネルユニットの長さ方向の中央部の上部或いは下部に搭載される駆動用コントロールユニットを囲んで対向配置した請求項1に記載のLEDバックライト装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008064450A JP4553022B2 (ja) | 2008-03-13 | 2008-03-13 | Ledバックライト装置 |
KR1020090012606A KR20090098676A (ko) | 2008-03-13 | 2009-02-16 | Led 백라이트장치 |
US12/402,829 US8142042B2 (en) | 2008-03-13 | 2009-03-12 | Light-emitting-diode backlight device |
CN2009101271508A CN101532626B (zh) | 2008-03-13 | 2009-03-13 | 发光二极管背光设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008064450A JP4553022B2 (ja) | 2008-03-13 | 2008-03-13 | Ledバックライト装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009224051A true JP2009224051A (ja) | 2009-10-01 |
JP4553022B2 JP4553022B2 (ja) | 2010-09-29 |
Family
ID=41062859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008064450A Expired - Fee Related JP4553022B2 (ja) | 2008-03-13 | 2008-03-13 | Ledバックライト装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8142042B2 (ja) |
JP (1) | JP4553022B2 (ja) |
KR (1) | KR20090098676A (ja) |
CN (1) | CN101532626B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014032387A (ja) * | 2012-08-03 | 2014-02-20 | Samsung Electronics Co Ltd | ディスプレイ装置 |
JP2015144069A (ja) * | 2014-01-31 | 2015-08-06 | 岡谷電機産業株式会社 | Led灯 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102163584A (zh) * | 2011-03-14 | 2011-08-24 | 苏州佳世达电通有限公司 | 电子装置 |
JP5048147B1 (ja) * | 2011-05-13 | 2012-10-17 | シャープ株式会社 | 液晶表示装置 |
WO2013180329A1 (ko) * | 2012-06-01 | 2013-12-05 | 주식회사 이아이라이팅 | Lcd 백라이트 유닛 |
CN104252053B (zh) * | 2013-06-28 | 2017-09-05 | 群创光电股份有限公司 | 显示装置及其背面支撑结构 |
US9965003B2 (en) * | 2015-07-09 | 2018-05-08 | Htc Corporation | Electronic assembly and electronic device |
CN106446479A (zh) * | 2016-11-29 | 2017-02-22 | 郑州云海信息技术有限公司 | 一种兼顾生产工艺能力与信号质量的布线方法 |
CN108566762B (zh) * | 2018-02-06 | 2019-11-05 | 芜湖市皖南造船有限公司 | 一种挖泥船用照明灯电池板装置的边框结构 |
US10401681B1 (en) * | 2018-11-27 | 2019-09-03 | Panasonic Liquid Crystal Display Co., Ltd. | Heat sink for electronic display device |
JP7052712B2 (ja) * | 2018-12-27 | 2022-04-12 | 株式会社Jvcケンウッド | 表示装置 |
CN110049265B (zh) * | 2019-05-14 | 2022-03-04 | 常州恒创热管理有限公司 | 一种散热件的制作方法及相变散热件 |
CN111600222B (zh) * | 2020-06-16 | 2022-03-29 | 河南里程碑科技有限公司 | 高效散热型配电自动化监控终端 |
CN115857229B (zh) * | 2023-02-28 | 2023-06-16 | 惠科股份有限公司 | 背光模组及显示装置 |
Citations (4)
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JP2006227072A (ja) * | 2005-02-15 | 2006-08-31 | Denso Corp | 液晶表示装置 |
JP2006302581A (ja) * | 2005-04-18 | 2006-11-02 | Sony Corp | 発光ユニットの放熱装置、バックライト装置及び画像表示装置 |
JP2006340214A (ja) * | 2005-06-03 | 2006-12-14 | Victor Co Of Japan Ltd | ビデオカメラ |
JP2007335371A (ja) * | 2006-06-19 | 2007-12-27 | Harison Toshiba Lighting Corp | 面照明装置 |
Family Cites Families (13)
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JP4442304B2 (ja) | 2004-04-30 | 2010-03-31 | ソニー株式会社 | 発光ユニットの放熱装置及びバックライト装置 |
KR101097486B1 (ko) * | 2004-06-28 | 2011-12-22 | 엘지디스플레이 주식회사 | 액정표시장치의 백라이트 유닛 |
US7140753B2 (en) * | 2004-08-11 | 2006-11-28 | Harvatek Corporation | Water-cooling heat dissipation device adopted for modulized LEDs |
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 |
WO2006038778A1 (en) * | 2004-10-05 | 2006-04-13 | Samsung Electronics Co., Ltd. | Backlight unit |
KR20060070159A (ko) * | 2004-12-20 | 2006-06-23 | 삼성전자주식회사 | 백라이트 시스템 및 이를 채용한 액정표시장치 |
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CN100517008C (zh) * | 2005-05-17 | 2009-07-22 | 鸿富锦精密工业(深圳)有限公司 | 直下式背光模组 |
US7431475B2 (en) * | 2005-07-22 | 2008-10-07 | Sony Corporation | Radiator for light emitting unit, and backlight device |
CN1904689A (zh) * | 2005-07-29 | 2007-01-31 | 索尼株式会社 | 用于发光单元的辐射器,和背光装置 |
JP4830436B2 (ja) * | 2005-10-03 | 2011-12-07 | 株式会社日立製作所 | ディスプレイ装置 |
US20070230185A1 (en) * | 2006-03-31 | 2007-10-04 | Shuy Geoffrey W | Heat exchange enhancement |
US7635205B2 (en) * | 2007-07-24 | 2009-12-22 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | LED lamp with heat dissipation device |
-
2008
- 2008-03-13 JP JP2008064450A patent/JP4553022B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-16 KR KR1020090012606A patent/KR20090098676A/ko not_active Application Discontinuation
- 2009-03-12 US US12/402,829 patent/US8142042B2/en not_active Expired - Fee Related
- 2009-03-13 CN CN2009101271508A patent/CN101532626B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006227072A (ja) * | 2005-02-15 | 2006-08-31 | Denso Corp | 液晶表示装置 |
JP2006302581A (ja) * | 2005-04-18 | 2006-11-02 | Sony Corp | 発光ユニットの放熱装置、バックライト装置及び画像表示装置 |
JP2006340214A (ja) * | 2005-06-03 | 2006-12-14 | Victor Co Of Japan Ltd | ビデオカメラ |
JP2007335371A (ja) * | 2006-06-19 | 2007-12-27 | Harison Toshiba Lighting Corp | 面照明装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014032387A (ja) * | 2012-08-03 | 2014-02-20 | Samsung Electronics Co Ltd | ディスプレイ装置 |
JP2015144069A (ja) * | 2014-01-31 | 2015-08-06 | 岡谷電機産業株式会社 | Led灯 |
Also Published As
Publication number | Publication date |
---|---|
CN101532626A (zh) | 2009-09-16 |
JP4553022B2 (ja) | 2010-09-29 |
CN101532626B (zh) | 2013-08-21 |
US8142042B2 (en) | 2012-03-27 |
US20090231881A1 (en) | 2009-09-17 |
KR20090098676A (ko) | 2009-09-17 |
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