KR20070071517A - 광가이드 디바이스 및 이를 포함하는 lcd용 백라이팅모듈 - Google Patents
광가이드 디바이스 및 이를 포함하는 lcd용 백라이팅모듈 Download PDFInfo
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- KR20070071517A KR20070071517A KR1020050135033A KR20050135033A KR20070071517A KR 20070071517 A KR20070071517 A KR 20070071517A KR 1020050135033 A KR1020050135033 A KR 1020050135033A KR 20050135033 A KR20050135033 A KR 20050135033A KR 20070071517 A KR20070071517 A KR 20070071517A
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- light
- lcd panel
- mixing
- light guide
- guide device
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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
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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
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- 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
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
-
- 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
- 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
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (8)
- 복수의 발광다이오드로부터 발광된 여러색의 빛을 혼합하여 그 혼합된 빛을 LCD 패널로 유도하기 위한 광가이드 디바이스로서,상기 LCD 패널의 후방에 배치되는 판상의 도광부와;상기 도광부에 일체로 형성되며, 복수의 발광다이오드에 인접하는 입광면 및 그 입광면을 통해 들어온 여러색의 빛을 혼합하는 혼광영역을 구비하는 혼광부를;포함하는 것을 특징으로 하는 광가이드 디바이스.
- 청구항 1에 있어서,상기 혼광부는 상기 도광부의 측부로부터 수직 하향되게 연장되어 자체 하단의 입광면에서 빛의 입광을 허용하는 것을 특징으로 하는 광가이드 디바이스.
- 청구항 1에 있어서,상기 혼광부는 상기 LCD 패널의 측면을 지나치도록 상기 도광부로부터 측면방향으로 연장되어, 자체 측단의 입광면에서 빛의 입광을 허용하는 것을 특징으로 하는 광가이드 디바이스.
- 청구항 2 또는 청구항 3에 있어서,상기 혼광부는 복수의 입광면을 갖는 복수의 다리를 구비하며 상기 다리가 교차되는 위치에 상기 혼광영역이 형성되는 것을 특징으로 하는 광가이드 디바이스.
- 청구항 1에 있어서, 상기 도광부의 전면에는 프리즘면이 형성된 것을 특징으로 하는 광가이드 디바이스.
- LCD 패널을 조명하기 위한 백라이팅 모듈에 있어서,여러색의 빛을 발광하는 복수의 발광다이오드를 갖는 LED 어레이와;상기 LED 어레이에 인접하는 혼광부 및 LCD 패널 후방의 도광부를 일체로 구비하여, 혼광부에서 여러색의 빛을 혼합하고 그 혼합된 빛을 도광부에서 LCD 패널을 향해 보내는 광가이드 디바이스를;포함하는 것을 특징으로 하는 LCD용 백라이팅 모듈.
- 청구항 6에 있어서, 상기 광가이드 디바이스의 바로 위에는 도광판이 더 설치됨을 특징으로 하는 LCD용 백라이팅 모듈.
- 청구항 7에 있어서, 상기 광가이드 디바이스의 저면에는 반사필름 또는 반사코팅이 형성됨을 특징으로 하는 LCD용 백라이팅 모듈.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050135033A KR100770602B1 (ko) | 2005-12-30 | 2005-12-30 | 광가이드 디바이스 및 이를 포함하는 lcd용 백라이팅모듈 |
US12/159,680 US7625111B2 (en) | 2005-12-30 | 2006-12-13 | Light guide device and back lighting module comprising the same |
PCT/KR2006/005428 WO2007078064A1 (en) | 2005-12-30 | 2006-12-13 | Light guide device and back lighting module comprising the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050135033A KR100770602B1 (ko) | 2005-12-30 | 2005-12-30 | 광가이드 디바이스 및 이를 포함하는 lcd용 백라이팅모듈 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070071517A true KR20070071517A (ko) | 2007-07-04 |
KR100770602B1 KR100770602B1 (ko) | 2007-10-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050135033A KR100770602B1 (ko) | 2005-12-30 | 2005-12-30 | 광가이드 디바이스 및 이를 포함하는 lcd용 백라이팅모듈 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7625111B2 (ko) |
KR (1) | KR100770602B1 (ko) |
WO (1) | WO2007078064A1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042523A1 (de) * | 2005-05-31 | 2006-12-07 | Osram Opto Semiconductors Gmbh | Beleuchtungseinrichtung |
CN101726918B (zh) * | 2008-10-29 | 2012-04-11 | 纬创资通股份有限公司 | 显示装置及具有显示装置的电子装置 |
CN102246069A (zh) * | 2008-12-16 | 2011-11-16 | 皇家飞利浦电子股份有限公司 | 用于混合光的装置 |
CN103201660B (zh) | 2010-11-08 | 2016-01-20 | 3M创新有限公司 | 照明转换器 |
WO2013060351A1 (de) * | 2011-10-24 | 2013-05-02 | Osram Ag | Beleuchtungseinrichtung mit einer optischen anordnung zur farbmischung von lichtquellen |
JP5738742B2 (ja) * | 2011-11-09 | 2015-06-24 | 株式会社東芝 | 面光源装置 |
US9823404B2 (en) | 2012-02-17 | 2017-11-21 | 3M Innovative Properties Company | Backlight system |
US9036964B2 (en) | 2012-02-17 | 2015-05-19 | 3M Innovative Properties Company | Optical light guide coupler |
EP2815271A4 (en) | 2012-02-17 | 2015-09-30 | 3M Innovative Properties Co | ANAMORPHER LIGHT LEADER |
EP2850470A1 (en) | 2012-05-16 | 2015-03-25 | 3M Innovative Properties Company | Illumination converter |
DE102013008433B4 (de) * | 2013-05-17 | 2020-12-03 | Lisa Dräxlmaier GmbH | Flächige Vorrichtung zur Beleuchtung der Innenausstattung eines Fahrzeugs |
CN203907484U (zh) * | 2014-04-01 | 2014-10-29 | 法雷奥照明湖北技术中心有限公司 | 发光二极管混光装置以及照明和/或信号指示设备 |
JP2018045778A (ja) * | 2016-09-12 | 2018-03-22 | 株式会社ジャパンディスプレイ | 照明装置 |
CN111365655A (zh) * | 2020-04-13 | 2020-07-03 | 常州星宇车灯股份有限公司 | 缩短rgb混光距离的光学结构和方法 |
JP2022156921A (ja) * | 2021-03-31 | 2022-10-14 | 株式会社ジャパンディスプレイ | 照明装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US5613751A (en) * | 1995-06-27 | 1997-03-25 | Lumitex, Inc. | Light emitting panel assemblies |
US6164789A (en) * | 1996-07-12 | 2000-12-26 | Honeywell International Inc. | Illumination sources and systems |
JP4321923B2 (ja) | 1999-08-30 | 2009-08-26 | シチズン電子株式会社 | 面状光源ユニット |
JP2002133932A (ja) | 2000-10-20 | 2002-05-10 | Casio Comput Co Ltd | 光源素子 |
WO2002097324A1 (en) | 2001-06-01 | 2002-12-05 | Lumileds Lighting U.S., Llc | Compact illumination system and display device |
JP3980890B2 (ja) * | 2002-01-23 | 2007-09-26 | シャープ株式会社 | 導光板並びにそれを備えた光源装置及び表示装置 |
JP2004095390A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Display Technologies Corp | 照明装置及び表示装置 |
JP2004117452A (ja) | 2002-09-24 | 2004-04-15 | Kawaguchiko Seimitsu Co Ltd | 液晶表示パネルのバックライト装置 |
US7154570B2 (en) * | 2002-09-28 | 2006-12-26 | Samsung Electronics Co., Ltd. | Back light assembly, liquid crystal display apparatus and manufacturing method thereof |
KR100947527B1 (ko) * | 2003-05-30 | 2010-03-12 | 삼성전자주식회사 | 액정표시장치 |
JP4489423B2 (ja) * | 2003-12-26 | 2010-06-23 | シャープ株式会社 | バックライト及び液晶表示装置 |
KR100590535B1 (ko) * | 2004-01-24 | 2006-06-15 | 삼성전자주식회사 | 백라이트 유니트 |
TWI282017B (en) * | 2004-05-28 | 2007-06-01 | Epistar Corp | Planar light device |
TWI249053B (en) * | 2004-08-27 | 2006-02-11 | Jemitek Electronics Corp | Backlight module |
-
2005
- 2005-12-30 KR KR1020050135033A patent/KR100770602B1/ko active IP Right Grant
-
2006
- 2006-12-13 WO PCT/KR2006/005428 patent/WO2007078064A1/en active Application Filing
- 2006-12-13 US US12/159,680 patent/US7625111B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100770602B1 (ko) | 2007-10-29 |
US7625111B2 (en) | 2009-12-01 |
US20090003015A1 (en) | 2009-01-01 |
WO2007078064A1 (en) | 2007-07-12 |
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