KR100814552B1 - 후방 라이트 장치 - Google Patents
후방 라이트 장치 Download PDFInfo
- Publication number
- KR100814552B1 KR100814552B1 KR1020020076768A KR20020076768A KR100814552B1 KR 100814552 B1 KR100814552 B1 KR 100814552B1 KR 1020020076768 A KR1020020076768 A KR 1020020076768A KR 20020076768 A KR20020076768 A KR 20020076768A KR 100814552 B1 KR100814552 B1 KR 100814552B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- light guide
- fluorescent tube
- heat dissipation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0085—Means for removing heat created by the light source from the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
Claims (5)
- 전극부에 전원 공급됨으로써 발광하는 광원과, 상기 광원의 빛을 액정 패널로 유도하는 도광판을 구비하는 후방 라이트 장치에 있어서,상기 전극부를 유지하는 고무 홀더와 상기 전극부와 마주 대하는 상기 도광판의 코너 부분의 사이에, 상기 광원의 전극부에서 발생한 열을 방열하는 방열 부재가 배치되고,상기 방열 부재는 L자 형상을 갖는 L자형 금속판에 의해 구성되는 것을 특징으로 하는 후방 라이트 장치.
- 제1항에 있어서, 상기 도광판의 코너부에 상기 L자형 금속판에 대응되는 형상의 오목부를 형성하고, 상기 오목부 내에 상기 L자형 금속판을 배치하는 것을 특징으로 하는 후방 라이트 장치.
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001388174A JP3905755B2 (ja) | 2001-12-20 | 2001-12-20 | バックライト装置 |
| JPJP-P-2001-00388174 | 2001-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030052980A KR20030052980A (ko) | 2003-06-27 |
| KR100814552B1 true KR100814552B1 (ko) | 2008-03-17 |
Family
ID=19188121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020020076768A Expired - Fee Related KR100814552B1 (ko) | 2001-12-20 | 2002-12-05 | 후방 라이트 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6808302B2 (ko) |
| JP (1) | JP3905755B2 (ko) |
| KR (1) | KR100814552B1 (ko) |
| TW (1) | TW573188B (ko) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4179982B2 (ja) * | 2003-01-24 | 2008-11-12 | シャープ株式会社 | 面状照明装置およびそれを使用した液晶表示装置 |
| KR100975739B1 (ko) * | 2003-09-29 | 2010-08-12 | 엘지디스플레이 주식회사 | 액정표시장치 모듈 |
| US20050083711A1 (en) * | 2003-10-17 | 2005-04-21 | Sheng-Chun Wu | Assembly structure of a back light module |
| TWI294049B (en) * | 2003-11-14 | 2008-03-01 | Sanyo Electric Co | Liquid crystal module |
| TW200538822A (en) * | 2004-04-23 | 2005-12-01 | Matsushita Electric Industrial Co Ltd | Backlight unit including curved fluorescent lamp, and liquid crystal display apparatus including the backlight unit |
| TWI253524B (en) * | 2004-09-01 | 2006-04-21 | Au Optronics Corp | Backlight module and assembly method thereof |
| JP2006155929A (ja) * | 2004-11-25 | 2006-06-15 | Toshiba Matsushita Display Technology Co Ltd | 面光源装置及び液晶表示装置 |
| TW200622403A (en) * | 2004-12-31 | 2006-07-01 | Innolux Display Corp | Backlight module |
| CN2791690Y (zh) * | 2005-04-09 | 2006-06-28 | 群康科技(深圳)有限公司 | 导光板和背光模组 |
| TWM278912U (en) * | 2005-05-23 | 2005-10-21 | Innolux Display Corp | A light source device and a backlight module |
| JP4640010B2 (ja) * | 2005-07-19 | 2011-03-02 | カシオ計算機株式会社 | 照明装置及び液晶表示モジュール |
| TWI298410B (en) * | 2005-12-23 | 2008-07-01 | Au Optronics Corp | Backlight module |
| TWI308454B (en) * | 2006-02-17 | 2009-04-01 | Primax Electronics Ltd | Optical scanning module |
| KR101326579B1 (ko) * | 2007-05-25 | 2013-11-20 | 엘지디스플레이 주식회사 | 액정표시장치 |
| JP5041943B2 (ja) * | 2007-09-21 | 2012-10-03 | 三菱電機株式会社 | 表示装置 |
| GB2479590B (en) * | 2010-04-16 | 2016-08-10 | Zeta Specialist Lighting | Light guide panel assembly |
| KR101025543B1 (ko) | 2010-05-03 | 2011-04-04 | 엘지이노텍 주식회사 | 백라이트 유닛 및 이를 포함하는 디스플레이 장치 |
| JP2012220755A (ja) * | 2011-04-11 | 2012-11-12 | Funai Electric Co Ltd | 液晶表示装置および液晶モジュール |
| JP5776401B2 (ja) * | 2011-07-21 | 2015-09-09 | セイコーエプソン株式会社 | 液晶表示装置、電子機器および照明装置 |
| KR101345140B1 (ko) * | 2013-05-22 | 2013-12-26 | 한솔테크닉스(주) | 곡면 백라이트유닛 및 이를 구비하는 디스플레이장치 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01314920A (ja) * | 1988-06-15 | 1989-12-20 | Hitachi Ltd | パルス駆動式空気流量計 |
| JPH09318940A (ja) * | 1996-05-27 | 1997-12-12 | Hitachi Ltd | 液晶表示装置 |
| JPH10199320A (ja) * | 1997-01-06 | 1998-07-31 | Nitto Denko Corp | 面光源装置及び液晶表示装置 |
| JP2001014920A (ja) * | 1999-06-29 | 2001-01-19 | Seiko Epson Corp | 電気光学装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11102160A (ja) * | 1997-09-29 | 1999-04-13 | Mitsubishi Electric Corp | 液晶パネルモジュール及び当該液晶パネルモジュールを用いる液晶ディスプレイ装置 |
| US6341879B1 (en) * | 1999-09-28 | 2002-01-29 | Rainbow Displays, Inc. | High output flat-panel display back light module |
| US6417832B1 (en) * | 1999-09-28 | 2002-07-09 | Rainbow Displays, Inc. | Apparatus for producing uniform luminance in a flat-panel display backlight |
| US6411042B1 (en) * | 1999-12-29 | 2002-06-25 | Honeywell International Inc. | Display cold spot temperature regulator |
-
2001
- 2001-12-20 JP JP2001388174A patent/JP3905755B2/ja not_active Expired - Fee Related
-
2002
- 2002-11-27 TW TW91134493A patent/TW573188B/zh not_active IP Right Cessation
- 2002-12-02 US US10/308,207 patent/US6808302B2/en not_active Expired - Lifetime
- 2002-12-05 KR KR1020020076768A patent/KR100814552B1/ko not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01314920A (ja) * | 1988-06-15 | 1989-12-20 | Hitachi Ltd | パルス駆動式空気流量計 |
| JPH09318940A (ja) * | 1996-05-27 | 1997-12-12 | Hitachi Ltd | 液晶表示装置 |
| JPH10199320A (ja) * | 1997-01-06 | 1998-07-31 | Nitto Denko Corp | 面光源装置及び液晶表示装置 |
| JP2001014920A (ja) * | 1999-06-29 | 2001-01-19 | Seiko Epson Corp | 電気光学装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030052980A (ko) | 2003-06-27 |
| JP3905755B2 (ja) | 2007-04-18 |
| US6808302B2 (en) | 2004-10-26 |
| TW573188B (en) | 2004-01-21 |
| US20030117710A1 (en) | 2003-06-26 |
| JP2003186010A (ja) | 2003-07-03 |
| TW200301392A (en) | 2003-07-01 |
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