KR100688101B1 - 냉각 부재를 가진 백라이트 유닛 - Google Patents
냉각 부재를 가진 백라이트 유닛 Download PDFInfo
- Publication number
- KR100688101B1 KR100688101B1 KR1020050033787A KR20050033787A KR100688101B1 KR 100688101 B1 KR100688101 B1 KR 100688101B1 KR 1020050033787 A KR1020050033787 A KR 1020050033787A KR 20050033787 A KR20050033787 A KR 20050033787A KR 100688101 B1 KR100688101 B1 KR 100688101B1
- Authority
- KR
- South Korea
- Prior art keywords
- backlight unit
- heat
- lamp
- heat absorbing
- absorbing portion
- Prior art date
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Images
Classifications
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- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0042—Reinforcements made of synthetic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/1807—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers comprising fabric reinforcements
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Mechanical Engineering (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
Claims (13)
- 앞면에 광투과판 (116) 을 갖는 램프 하우징;상기 램프 하우징에 수용되어 있고 상기 광투과판 (116) 을 통하여 상기 램프 하우징 외측을 향해 광을 방출하는 하나 이상의 램프 (112); 및상기 램프 하우징에 수용되어 있는 흡열부 (119a), 및 상기 흡열부 (119a) 로부터 상기 램프 하우징 외측으로 연장되어 있고 상기 흡열부 (119a) 에 의해 흡수된 열을 상기 램프 하우징 외측으로 방출하는 방열부 (119b) 를 갖는 냉각 부재 (119) 를 포함하는, 백라이트 유닛.
- 제 1 항에 있어서,상기 흡열부 (119a) 는 상기 램프에 평행하게 연장된 봉형상 부재 또는 관형상 부재인, 백라이트 유닛.
- 제 2 항에 있어서,상기 흡열부 (119a) 는 상기 램프 (112) 로부터 상기 광투과판을 향하여 광을 반사하는 광반사면을 갖는, 백라이트 유닛.
- 제 2 항에 있어서,상기 방열부 (119b) 는 방열기 (heat sink; 120) 를 포함하는, 백라이트 유 닛.
- 제 4 항에 있어서,상기 흡열부 (119a) 와 상기 방열부 (119b) 는 내부에 액체를 수용하는 관 (119) 으로 구성되는, 백라이트 유닛.
- 제 1 항에 있어서,상기 하나 이상의 램프는 지지 부재 (115) 에 의해 지지되는 복수의 가늘고 긴 램프 (112) 를 포함하며,상기 흡열부는 상기 지지 부재 (115) 에 의해 지지되고 상기 복수의 가늘고 긴 램프 (112) 와 교대로 정렬되어 있는 복수의 가늘고 긴 흡열부 (119a) 를 포함하는, 백라이트 유닛.
- 제 6 항에 있어서,상기 방열부 (119b) 는 상기 가늘고 긴 흡열부 (119a) 의 양단부 각각에서 상기 복수의 가늘고 긴 흡열부 (119a) 를 함께 연결하는, 백라이트 유닛.
- 제 6 항에 있어서,상기 방열부 (119b) 는 상기 가늘고 긴 흡열부 (119a) 의 일단부 각각에서 상기 복수의 가늘고 긴 흡열부 (119a) 를 함께 연결하는, 백라이트 유닛.
- 제 1 항에 있어서,상기 흡열부 (119a) 는 도전성이며,상기 램프 (112) 는 인버터 (113) 에 연결되는 제 1 단부 및 상기 흡열부 (119a) 를 통하여 접지부에 연결되는 제 2 단부를 갖는, 백라이트 유닛.
- 제 1 항에 있어서,상기 백라이트 유닛은 양면 백라이트 유닛 (101) 이며,상기 램프 하우징은 서로 대향하는 한 쌍의 상기 광투과판 (116) 을 포함하는, 백라이트 유닛.
- 제 1 항에 기재된 백라이트 유닛 (101); 및상기 광투과판의 주변의 상기 백라이트 유닛 상에 형성된 액정패널 (102) 을 포함하는, 액정 표시 (LCD) 장치.
- 제 11 항에 있어서,상기 방열부는 상기 LCD 장치의 하우징 외부에 배치되는, LCD 장치.
- 제 11 항에 있어서,상기 방열부는 상기 LCD 장치의 하우징 내부에 배치되며, 상기 LCD 장치의 상기 하우징은 외부의 공기를 도입하여 상기 방열부로 제공하기 위한 통기구를 갖는, LCD 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004127075A JP4362410B2 (ja) | 2004-04-22 | 2004-04-22 | バックライト装置及び液晶表示装置 |
JPJP-P-2004-00127075 | 2004-04-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060047453A KR20060047453A (ko) | 2006-05-18 |
KR100688101B1 true KR100688101B1 (ko) | 2007-03-02 |
Family
ID=35136190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050033787A KR100688101B1 (ko) | 2004-04-22 | 2005-04-22 | 냉각 부재를 가진 백라이트 유닛 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7237923B2 (ko) |
JP (1) | JP4362410B2 (ko) |
KR (1) | KR100688101B1 (ko) |
CN (1) | CN1690804A (ko) |
TW (1) | TWI340274B (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4017039B2 (ja) * | 2003-11-18 | 2007-12-05 | シャープ株式会社 | 照明装置およびそれを備えた表示装置 |
TWI266125B (en) * | 2005-07-15 | 2006-11-11 | Au Optronics Corp | Direct type backlight module |
JP4605526B2 (ja) * | 2005-12-01 | 2011-01-05 | スタンレー電気株式会社 | Ledランプ |
JP2009016259A (ja) * | 2007-07-06 | 2009-01-22 | Panasonic Electric Works Co Ltd | 照明器具 |
JP4627796B2 (ja) * | 2008-09-18 | 2011-02-09 | 株式会社日立製作所 | 液晶表示装置 |
DE102008062675B4 (de) * | 2008-12-17 | 2010-12-09 | Osram Gesellschaft mit beschränkter Haftung | Elektrische Lampe mit integrierter Elektronik |
KR20100087950A (ko) | 2009-01-29 | 2010-08-06 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 이용한 액정표시장치 |
JP5487704B2 (ja) * | 2009-04-27 | 2014-05-07 | セイコーエプソン株式会社 | 電気光学装置及び電子機器 |
RU2012109550A (ru) * | 2009-09-15 | 2013-10-27 | Шарп Кабусики Кайся | Осветительное устройство, устройство отображения и телевизионный приемник |
CN107179631B (zh) * | 2017-06-27 | 2020-08-25 | 厦门天马微电子有限公司 | 一种显示装置 |
WO2020065713A1 (ja) * | 2018-09-25 | 2020-04-02 | 堺ディスプレイプロダクト株式会社 | 液晶表示装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5174646A (en) * | 1990-12-06 | 1992-12-29 | The Regents Of The University Of California | Heat transfer assembly for a fluorescent lamp and fixture |
JP3073132B2 (ja) | 1994-07-20 | 2000-08-07 | シャープ株式会社 | 平面光源装置 |
US5791770A (en) * | 1997-02-27 | 1998-08-11 | Aavid Thermal Products, Inc. | Light source cooler for LCD monitor |
JP2000338483A (ja) | 1999-05-31 | 2000-12-08 | Nec Home Electronics Ltd | 液晶表示装置 |
JP2002196326A (ja) | 2000-12-26 | 2002-07-12 | Hitachi Ltd | 液晶表示装置 |
TW546491B (en) * | 2001-02-21 | 2003-08-11 | Au Optronics Corp | Light source set with a uniform temperature function and flat display |
JP3994704B2 (ja) | 2001-09-11 | 2007-10-24 | セイコーエプソン株式会社 | 液晶表示装置 |
JP4260547B2 (ja) * | 2002-07-16 | 2009-04-30 | 日本ライツ株式会社 | 平面照明装置 |
TWI252348B (en) * | 2002-10-21 | 2006-04-01 | Toppoly Optoelectronics Corp | Back light module |
KR100698045B1 (ko) * | 2002-11-26 | 2007-03-23 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 |
JP3094489U (ja) * | 2002-12-05 | 2003-06-20 | 廖駿吉 | バックライト放熱装置 |
-
2004
- 2004-04-22 JP JP2004127075A patent/JP4362410B2/ja not_active Expired - Lifetime
-
2005
- 2005-04-19 US US11/110,049 patent/US7237923B2/en active Active
- 2005-04-21 TW TW094112723A patent/TWI340274B/zh active
- 2005-04-22 KR KR1020050033787A patent/KR100688101B1/ko active IP Right Grant
- 2005-04-22 CN CNA2005100666916A patent/CN1690804A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
TW200600915A (en) | 2006-01-01 |
US7237923B2 (en) | 2007-07-03 |
JP2005310598A (ja) | 2005-11-04 |
US20050237752A1 (en) | 2005-10-27 |
TWI340274B (en) | 2011-04-11 |
JP4362410B2 (ja) | 2009-11-11 |
CN1690804A (zh) | 2005-11-02 |
KR20060047453A (ko) | 2006-05-18 |
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