KR100438522B1 - 백라이트 유닛 - Google Patents
백라이트 유닛 Download PDFInfo
- Publication number
- KR100438522B1 KR100438522B1 KR10-2001-0050328A KR20010050328A KR100438522B1 KR 100438522 B1 KR100438522 B1 KR 100438522B1 KR 20010050328 A KR20010050328 A KR 20010050328A KR 100438522 B1 KR100438522 B1 KR 100438522B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light guide
- guide plate
- backlight unit
- blocks
- Prior art date
Links
Classifications
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- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
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- 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
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02B6/009—Positioning aspects of the light source in the package
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (9)
- 적어도 둘 이상의 블록으로 분할되는 도광판과,상기 블록들 각각에 광을 조사하기 위한 적어도 둘 이상의 광원과,상기 블록들 사이에 1000Å이하의 두께를 갖도록 형성되어 블록들 간의 광 확산을 차단하기 위한 반사판을 구비하며,상기 광원 각각은적색 광을 발생하는 하나의 적색 발광다이오드와,녹색 광을 발생하는 하나의 녹색 발광다이오드와,청색 광을 발생하는 두 개의 청색 발광다이오드를 구비하는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 도광판은 3개로 분할되는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 반사판은 알루미늄(Al)인 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 제 1 항에 있어서,상기 반사판은 에폭시(epoxy)에 의해 상기 도광판과 접착되는 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 광원은 상기 도광판의 양측면에서 상기 도광판쪽으로 각각 광을 조사하는 두 개의 광원으로 구성되는 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0050328A KR100438522B1 (ko) | 2001-08-21 | 2001-08-21 | 백라이트 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0050328A KR100438522B1 (ko) | 2001-08-21 | 2001-08-21 | 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030016631A KR20030016631A (ko) | 2003-03-03 |
KR100438522B1 true KR100438522B1 (ko) | 2004-07-03 |
Family
ID=27720046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0050328A KR100438522B1 (ko) | 2001-08-21 | 2001-08-21 | 백라이트 유닛 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100438522B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8564742B2 (en) | 2007-07-29 | 2013-10-22 | Cree, Inc. | LED backlight system for LCD displays |
US9377572B2 (en) | 2013-12-19 | 2016-06-28 | Samsung Display Co., Ltd. | Backlight unit and display apparatus having the same |
US10718891B2 (en) | 2017-01-20 | 2020-07-21 | Samsung Electronics Co., Ltd. | Input coupler, backlight unit, and three-dimensional image display apparatus including the input coupler |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100619627B1 (ko) | 2004-05-27 | 2006-09-08 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 휘도 제어 장치 및 방법 |
KR100716996B1 (ko) * | 2005-04-04 | 2007-05-10 | 삼성전자주식회사 | 백라이트 유닛 및 이를 채용한 액정표시장치 |
KR101373400B1 (ko) * | 2006-12-27 | 2014-03-14 | 엘지디스플레이 주식회사 | 액정표시장치 및 그의 구동방법 |
KR100882801B1 (ko) | 2007-04-25 | 2009-02-09 | 박휴완 | 도광판 조명장치 |
CN102047174B (zh) | 2008-05-27 | 2016-01-27 | Lg电子株式会社 | Led背光单元以及使用该led背光单元的液晶显示装置 |
US8220981B2 (en) | 2008-05-27 | 2012-07-17 | Lg Electronics Inc. | Liquid crystal display having a plurality of modules |
KR100937773B1 (ko) * | 2008-11-10 | 2010-01-26 | 박휴완 | 도광판 조명장치 |
KR101660721B1 (ko) | 2009-06-15 | 2016-09-29 | 엘지전자 주식회사 | 발광 다이오드 패키지 및 이를 포함하는 백라이트 유닛과 디스플레이장치 |
KR101628366B1 (ko) | 2009-07-06 | 2016-06-08 | 엘지전자 주식회사 | 광학 어셈블리, 이를 구비한 백라이트 유닛 및 디스플레이 장치 |
KR101584280B1 (ko) * | 2009-07-20 | 2016-01-25 | 삼성디스플레이 주식회사 | 도광판 및 이를 포함하는 표시 장치 |
KR101611616B1 (ko) | 2009-08-28 | 2016-04-11 | 엘지전자 주식회사 | 백라이트 유닛 및 그를 이용한 디스플레이 장치 |
EP2354817A1 (en) | 2009-12-14 | 2011-08-10 | Lg Electronics Inc. | Backlight unit, and display apparatus including the backlight unit |
Citations (4)
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JP2000347587A (ja) * | 1999-06-02 | 2000-12-15 | Casio Comput Co Ltd | 導光体及びその形成方法並びにそれを備えた表示装置 |
KR20010016747A (ko) * | 1999-08-03 | 2001-03-05 | 윤종용 | 액정표시장치 |
JP2001134205A (ja) * | 1999-11-04 | 2001-05-18 | Casio Comput Co Ltd | 光源装置及びそれを用いた表示装置 |
JP2001210122A (ja) * | 2000-01-28 | 2001-08-03 | Matsushita Electric Ind Co Ltd | 照明装置、映像表示装置、映像表示装置の駆動方法、液晶表示パネル、液晶表示パネルの製造方法、液晶表示パネルの駆動方法、アレイ基板、表示装置、ビューファインダおよびビデオカメラ |
-
2001
- 2001-08-21 KR KR10-2001-0050328A patent/KR100438522B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000347587A (ja) * | 1999-06-02 | 2000-12-15 | Casio Comput Co Ltd | 導光体及びその形成方法並びにそれを備えた表示装置 |
KR20010016747A (ko) * | 1999-08-03 | 2001-03-05 | 윤종용 | 액정표시장치 |
JP2001134205A (ja) * | 1999-11-04 | 2001-05-18 | Casio Comput Co Ltd | 光源装置及びそれを用いた表示装置 |
JP2001210122A (ja) * | 2000-01-28 | 2001-08-03 | Matsushita Electric Ind Co Ltd | 照明装置、映像表示装置、映像表示装置の駆動方法、液晶表示パネル、液晶表示パネルの製造方法、液晶表示パネルの駆動方法、アレイ基板、表示装置、ビューファインダおよびビデオカメラ |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8564742B2 (en) | 2007-07-29 | 2013-10-22 | Cree, Inc. | LED backlight system for LCD displays |
US8564737B2 (en) | 2007-07-29 | 2013-10-22 | Cree, Inc. | LED backlight system for LCD displays |
US8564739B2 (en) | 2007-07-29 | 2013-10-22 | Cree, Inc. | LED backlight system for LCD displays |
US9195095B2 (en) | 2007-07-29 | 2015-11-24 | Cree, Inc. | LED lighting devices incorporating waveguides |
US9377572B2 (en) | 2013-12-19 | 2016-06-28 | Samsung Display Co., Ltd. | Backlight unit and display apparatus having the same |
US10718891B2 (en) | 2017-01-20 | 2020-07-21 | Samsung Electronics Co., Ltd. | Input coupler, backlight unit, and three-dimensional image display apparatus including the input coupler |
Also Published As
Publication number | Publication date |
---|---|
KR20030016631A (ko) | 2003-03-03 |
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