CN1499264A - 背光单元 - Google Patents
背光单元 Download PDFInfo
- Publication number
- CN1499264A CN1499264A CNA2003101141121A CN200310114112A CN1499264A CN 1499264 A CN1499264 A CN 1499264A CN A2003101141121 A CNA2003101141121 A CN A2003101141121A CN 200310114112 A CN200310114112 A CN 200310114112A CN 1499264 A CN1499264 A CN 1499264A
- Authority
- CN
- China
- Prior art keywords
- light
- optical plate
- prism
- back light
- light unit
- 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.)
- Granted
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Classifications
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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
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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
- G02B6/0013—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
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- 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
- G02B6/0028—Light guide, e.g. taper
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0067969A KR100499133B1 (ko) | 2002-11-04 | 2002-11-04 | 백라이트 유닛 |
KR67969/02 | 2002-11-04 | ||
KR67969/2002 | 2002-11-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1499264A true CN1499264A (zh) | 2004-05-26 |
CN1266529C CN1266529C (zh) | 2006-07-26 |
Family
ID=32089790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101141121A Expired - Fee Related CN1266529C (zh) | 2002-11-04 | 2003-11-03 | 背光单元 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7217025B2 (zh) |
EP (2) | EP2538131B1 (zh) |
JP (1) | JP4278486B2 (zh) |
KR (1) | KR100499133B1 (zh) |
CN (1) | CN1266529C (zh) |
Cited By (9)
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US7905613B2 (en) | 2006-04-28 | 2011-03-15 | Hitachi Displays, Ltd. | LED backlight and liquid crystal display device using thereof |
CN101566757B (zh) * | 2008-04-23 | 2011-08-31 | 群康科技(深圳)有限公司 | 背光模组及液晶显示装置 |
US8107034B2 (en) | 2008-04-03 | 2012-01-31 | Chimei Innolux Corporation | Backlight module with light concentrating and scattering structure and liquid crystal display using same |
CN102620209A (zh) * | 2012-03-29 | 2012-08-01 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
TWI401508B (zh) * | 2009-12-30 | 2013-07-11 | Au Optronics Corp | 背光模組及使用其之顯示裝置 |
CN103250078A (zh) * | 2010-12-04 | 2013-08-14 | 3M创新有限公司 | 照明组件及其形成方法 |
CN106068533A (zh) * | 2013-10-14 | 2016-11-02 | 瑞尔D股份有限公司 | 定向显示器的控制 |
CN109116571A (zh) * | 2017-06-22 | 2019-01-01 | 台达电子工业股份有限公司 | 可直立和横向使用的立体显示设备 |
CN109477625A (zh) * | 2016-07-26 | 2019-03-15 | 镭亚股份有限公司 | 条形准直器、背光体系统和方法 |
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JP3923867B2 (ja) * | 2002-07-26 | 2007-06-06 | 株式会社アドバンスト・ディスプレイ | 面状光源装置及びそれを用いた液晶表示装置 |
JP4020397B2 (ja) * | 2004-06-14 | 2007-12-12 | 惠次 飯村 | 点光源を用いた面光源 |
JP2006093104A (ja) * | 2004-08-25 | 2006-04-06 | Seiko Instruments Inc | 照明装置およびそれを用いた表示装置 |
KR100716745B1 (ko) | 2004-09-13 | 2007-05-14 | 레이젠 주식회사 | 프론트라이트 유니트용 도광판 |
KR100668314B1 (ko) * | 2004-11-22 | 2007-01-12 | 삼성전자주식회사 | 백라이트 유니트 |
KR20060079724A (ko) | 2005-01-03 | 2006-07-06 | 삼성전자주식회사 | 암부를 제거한 백라이트 어셈블리 및 이를 구비한평판표시장치 |
JP4721159B2 (ja) * | 2005-03-28 | 2011-07-13 | ミネベア株式会社 | 面状照明装置 |
US7295262B2 (en) * | 2005-04-08 | 2007-11-13 | Rohm And Haas Denmark Finance A/S | Display apparatus having collimated illumination |
JP2006302710A (ja) * | 2005-04-21 | 2006-11-02 | Toshiba Matsushita Display Technology Co Ltd | 面光源装置 |
WO2007002476A2 (en) * | 2005-06-28 | 2007-01-04 | Lamina Ceramics, Inc. | Backlight module display with optical coupler and lightguide |
US7719021B2 (en) * | 2005-06-28 | 2010-05-18 | Lighting Science Group Corporation | Light efficient LED assembly including a shaped reflective cavity and method for making same |
EP1760500A3 (en) * | 2005-09-02 | 2007-08-01 | Samsung Electronics Co., Ltd. | Illuminator for flat panel display device and illuminator for double-sided flat panel display device |
JP2007145082A (ja) * | 2005-11-24 | 2007-06-14 | Toyoda Gosei Co Ltd | スカッフプレート |
KR100754381B1 (ko) * | 2005-11-30 | 2007-08-31 | 삼성전기주식회사 | 백라이트 유닛 |
KR101261449B1 (ko) * | 2006-05-03 | 2013-05-10 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함는 액정 표시 장치 |
US7317182B2 (en) * | 2006-05-24 | 2008-01-08 | 3M Innovative Properties Company | Backlight wedge with encapsulated light source |
US7660509B2 (en) | 2006-05-24 | 2010-02-09 | 3M Innovative Properties Company | Backlight asymmetric light input wedge |
US7607814B2 (en) | 2006-05-24 | 2009-10-27 | 3M Innovative Properties Company | Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces |
US7740387B2 (en) * | 2006-05-24 | 2010-06-22 | 3M Innovative Properties Company | Backlight wedge with side mounted light source |
WO2007140348A2 (en) * | 2006-05-25 | 2007-12-06 | I2Ic Corporation | Energy efficient illumination for a light source inthe form of a surface |
ITMI20061203A1 (it) * | 2006-06-22 | 2007-12-23 | X | X |
KR100809224B1 (ko) * | 2006-12-11 | 2008-02-29 | 삼성전기주식회사 | 도광 버퍼판을 갖는 백라이트 유닛 |
TW200827852A (en) * | 2006-12-28 | 2008-07-01 | Ind Tech Res Inst | Coupling device |
CN101617252B (zh) * | 2006-12-29 | 2012-06-20 | 莫迪尼斯有限公司 | 用于照明应用的内耦合结构 |
KR100887749B1 (ko) * | 2007-03-30 | 2009-03-12 | 주식회사 우영 | 다중 배열 프리즘 렌즈 및 이를 구비한 백라이트 유니트 |
TWM334259U (en) * | 2007-06-11 | 2008-06-11 | Upec Electronics Corp | Lighting device |
JP2009049008A (ja) * | 2007-07-26 | 2009-03-05 | Panasonic Corp | 面状照明装置とそれを用いた液晶表示装置 |
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US8585273B2 (en) * | 2007-07-31 | 2013-11-19 | Rambus Delaware Llc | Illumination assembly including wavelength converting material |
JP5029300B2 (ja) * | 2007-11-09 | 2012-09-19 | 株式会社デンソー | 液晶表示装置 |
JP2009117270A (ja) * | 2007-11-09 | 2009-05-28 | Kanto Auto Works Ltd | 車両用灯具及びその製造方法 |
US20110013387A1 (en) * | 2008-03-19 | 2011-01-20 | I2Ic Corporation | Directional Linear Light Source |
DE102008048751A1 (de) * | 2008-09-25 | 2010-04-01 | Automotive Lighting Reutlingen Gmbh | Leuchte für Kraftfahrzeuge |
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US9250448B2 (en) | 2010-11-19 | 2016-02-02 | Reald Inc. | Segmented directional backlight and related methods of backlight illumination |
US20140041205A1 (en) | 2010-11-19 | 2014-02-13 | Reald Inc. | Method of manufacturing directional backlight apparatus and directional structured optical film |
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DE60033264T2 (de) * | 1999-12-28 | 2007-11-08 | Fujitsu Kasei Ltd., Yokohama | Beleuchtungsapparat für Anzeige |
DE10021100A1 (de) * | 2000-05-02 | 2001-11-15 | Bosch Gmbh Robert | Beleuchtungsvorrichtung und Verfahren zur Beleuchtung |
JP4653326B2 (ja) * | 2001-03-05 | 2011-03-16 | オリンパス株式会社 | 照明装置 |
JP2002289023A (ja) * | 2001-03-27 | 2002-10-04 | Casio Comput Co Ltd | 照明装置 |
JP3931070B2 (ja) * | 2001-10-22 | 2007-06-13 | 株式会社アドバンスト・ディスプレイ | 面状光源装置及びこれを備えた液晶表示装置 |
JP3828402B2 (ja) * | 2001-11-08 | 2006-10-04 | 株式会社日立製作所 | 背面照明装置およびこれを用いた液晶表示装置並びに液晶表示装置の照明方法 |
KR100499140B1 (ko) * | 2003-01-07 | 2005-07-04 | 삼성전자주식회사 | 백라이트 유닛 |
-
2002
- 2002-11-04 KR KR10-2002-0067969A patent/KR100499133B1/ko active IP Right Grant
-
2003
- 2003-10-30 JP JP2003370448A patent/JP4278486B2/ja not_active Expired - Fee Related
- 2003-11-03 CN CNB2003101141121A patent/CN1266529C/zh not_active Expired - Fee Related
- 2003-11-04 US US10/700,050 patent/US7217025B2/en not_active Expired - Lifetime
- 2003-11-04 EP EP12184997.0A patent/EP2538131B1/en not_active Expired - Fee Related
- 2003-11-04 EP EP03025378.5A patent/EP1416302B1/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7905613B2 (en) | 2006-04-28 | 2011-03-15 | Hitachi Displays, Ltd. | LED backlight and liquid crystal display device using thereof |
US8107034B2 (en) | 2008-04-03 | 2012-01-31 | Chimei Innolux Corporation | Backlight module with light concentrating and scattering structure and liquid crystal display using same |
CN101566757B (zh) * | 2008-04-23 | 2011-08-31 | 群康科技(深圳)有限公司 | 背光模组及液晶显示装置 |
TWI401508B (zh) * | 2009-12-30 | 2013-07-11 | Au Optronics Corp | 背光模組及使用其之顯示裝置 |
CN103250078A (zh) * | 2010-12-04 | 2013-08-14 | 3M创新有限公司 | 照明组件及其形成方法 |
CN102620209A (zh) * | 2012-03-29 | 2012-08-01 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
CN106068533A (zh) * | 2013-10-14 | 2016-11-02 | 瑞尔D股份有限公司 | 定向显示器的控制 |
CN106068533B (zh) * | 2013-10-14 | 2019-01-11 | 瑞尔D斯帕克有限责任公司 | 定向显示器的控制 |
CN109477625A (zh) * | 2016-07-26 | 2019-03-15 | 镭亚股份有限公司 | 条形准直器、背光体系统和方法 |
CN109116571A (zh) * | 2017-06-22 | 2019-01-01 | 台达电子工业股份有限公司 | 可直立和横向使用的立体显示设备 |
Also Published As
Publication number | Publication date |
---|---|
EP1416302A2 (en) | 2004-05-06 |
EP2538131A1 (en) | 2012-12-26 |
CN1266529C (zh) | 2006-07-26 |
US7217025B2 (en) | 2007-05-15 |
JP4278486B2 (ja) | 2009-06-17 |
JP2004158452A (ja) | 2004-06-03 |
EP1416302A3 (en) | 2010-12-01 |
KR20040039785A (ko) | 2004-05-12 |
KR100499133B1 (ko) | 2005-07-04 |
EP2538131B1 (en) | 2017-02-08 |
US20040170011A1 (en) | 2004-09-02 |
EP1416302B1 (en) | 2014-05-14 |
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