CN1866109A - 背光和液晶显示设备 - Google Patents
背光和液晶显示设备 Download PDFInfo
- Publication number
- CN1866109A CN1866109A CNA2006100847795A CN200610084779A CN1866109A CN 1866109 A CN1866109 A CN 1866109A CN A2006100847795 A CNA2006100847795 A CN A2006100847795A CN 200610084779 A CN200610084779 A CN 200610084779A CN 1866109 A CN1866109 A CN 1866109A
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- China
- Prior art keywords
- optical
- light
- backlight
- plate
- light source
- 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.)
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 23
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Images
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
- G02B6/0013—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
- G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0023—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
- G02B6/0075—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
- G02B6/0013—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
- G02B6/0018—Redirecting means on the surface 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
编号 | 参数 | |||||||
透镜直径D(mm) | 光导板的厚度T(mm) | 光导板之间的距离L(mm) | 弯曲表面半径R(mm) | R/D | D-2 | D+2 | ||
例子 | 1 | 5.8 | 6 | 10 | 7 | 1.2 | 3.8 | 7.8 |
2 | 5.8 | 6 | 12 | 9 | 1.6 | 3.8 | 7.8 | |
参考例 | 1 | 5.8 | 8 | 10 | 7 | 1.2 | 3.8 | 7.8 |
2 | 5.8 | 6 | 10 | - | - | 3.8 | 7.8 |
编号 | 模拟结果 | ||
第一和第二光导板发射效率(%) | 第三光导板入射效率(%) | ||
例子 | 1 | 83.4 | 73.0 |
2 | 83.1 | 72.9 | |
参考例 | 1 | 62.1 | 53.9 |
2 | 77.0 | 67.0 |
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005144740 | 2005-05-17 | ||
JP2005-144740 | 2005-05-17 | ||
JP2005144740 | 2005-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1866109A true CN1866109A (zh) | 2006-11-22 |
CN100428021C CN100428021C (zh) | 2008-10-22 |
Family
ID=37425167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100847795A Active CN100428021C (zh) | 2005-05-17 | 2006-05-17 | 背光和液晶显示设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7413334B2 (zh) |
KR (1) | KR100774061B1 (zh) |
CN (1) | CN100428021C (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102893075A (zh) * | 2011-01-25 | 2013-01-23 | 松下电器产业株式会社 | 背光装置以及液晶显示装置 |
CN103574398A (zh) * | 2012-07-18 | 2014-02-12 | 株式会社东芝 | 显示器和背光装置 |
CN103792719A (zh) * | 2012-10-26 | 2014-05-14 | 船井电机株式会社 | 显示器件及电视机 |
CN105164467A (zh) * | 2013-01-30 | 2015-12-16 | 克利公司 | 光波导以及包括该光波导的灯 |
CN107407837A (zh) * | 2015-03-19 | 2017-11-28 | 三菱电机株式会社 | 面光源装置及液晶显示装置 |
CN107533255A (zh) * | 2015-04-23 | 2018-01-02 | 镭亚股份有限公司 | 基于双光导光栅的背光以及使用该背光的电子显示器 |
CN109844625A (zh) * | 2016-12-22 | 2019-06-04 | 欧姆龙株式会社 | 导光板、面光源装置、显示装置以及电子设备 |
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JP2006156039A (ja) * | 2004-11-26 | 2006-06-15 | Nec Lcd Technologies Ltd | 面状光源装置及びこれを用いた液晶表示装置 |
US20060187676A1 (en) * | 2005-02-18 | 2006-08-24 | Sharp Kabushiki Kaisha | Light guide plate, light guide device, lighting device, light guide system, and drive circuit |
US8272758B2 (en) | 2005-06-07 | 2012-09-25 | Oree, Inc. | Illumination apparatus and methods of forming the same |
JP4577229B2 (ja) | 2006-02-16 | 2010-11-10 | 日本電気株式会社 | バックライト装置及び液晶表示装置 |
CN101346581B (zh) * | 2006-04-19 | 2010-05-19 | 夏普株式会社 | 背光源装置和使用该背光源装置的显示装置 |
US8016473B2 (en) * | 2006-06-22 | 2011-09-13 | Koninklijke Philips Electronics N.V. | Symmetrical light guide structure for LED-based lighting device |
KR20070121319A (ko) * | 2006-06-22 | 2007-12-27 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 포함하는 액정표시장치 |
KR20080002003A (ko) * | 2006-06-30 | 2008-01-04 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
TWI295355B (en) * | 2006-08-30 | 2008-04-01 | Ind Tech Res Inst | Optical diffusion module and method of manufacturing optical diffusion structure |
US8284347B2 (en) * | 2006-09-08 | 2012-10-09 | Sharp Kabushiki Kaisha | Illumination device, light emitting element, and liquid crystal display device |
JP4775578B2 (ja) * | 2006-10-26 | 2011-09-21 | ミネベア株式会社 | 面状照明装置 |
TWI324278B (en) * | 2006-12-06 | 2010-05-01 | Au Optronics Corp | Backlight module |
CN101681057B (zh) | 2007-05-20 | 2012-07-04 | 3M创新有限公司 | 光循环型薄壁中空腔体背光源 |
EP2500767A1 (en) | 2007-05-20 | 2012-09-19 | 3M Innovative Properties Company | Semi-specular reflecting components in backlights, which have a thin hollow cavity and recycle the light |
US9028108B2 (en) | 2007-05-20 | 2015-05-12 | 3M Innovative Properties Company | Collimating light injectors for edge-lit backlights |
US8469575B2 (en) | 2007-05-20 | 2013-06-25 | 3M Innovative Properties Company | Backlight and display system using same |
JP2009043636A (ja) * | 2007-08-10 | 2009-02-26 | Mitsubishi Electric Corp | 面状光源装置および表示装置 |
US20090052207A1 (en) * | 2007-08-23 | 2009-02-26 | Ching-Chung Chen | Light source module of scanning device |
TWI363900B (en) * | 2007-10-04 | 2012-05-11 | Ind Tech Res Inst | Light guiding film |
TWI368766B (en) * | 2007-12-03 | 2012-07-21 | Ind Tech Res Inst | Composite light guiding film module |
US7845826B2 (en) * | 2008-01-15 | 2010-12-07 | Skc Haas Display Films Co., Ltd. | Multilayered integrated backlight illumination assembly |
TWI494655B (zh) | 2008-02-07 | 2015-08-01 | 3M Innovative Properties Co | 具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器 |
US9541698B2 (en) | 2008-02-22 | 2017-01-10 | 3M Innovative Properties Company | Backlights having selected output light flux distributions and display systems using same |
EP2218960A4 (en) * | 2008-03-07 | 2011-01-19 | Sharp Kk | LIGHT EMITTING ELEMENT, LIGHTING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE |
EP2297607B1 (en) | 2008-06-04 | 2014-04-23 | 3M Innovative Properties Company | Hollow backlight with tilted light source |
US8258526B2 (en) * | 2008-07-03 | 2012-09-04 | Samsung Led Co., Ltd. | Light emitting diode package including a lead frame with a cavity |
KR101101134B1 (ko) * | 2008-07-03 | 2012-01-05 | 삼성엘이디 주식회사 | Led 패키지 및 그 led 패키지를 포함하는 백라이트 유닛 |
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2006
- 2006-05-16 KR KR1020060043771A patent/KR100774061B1/ko active IP Right Grant
- 2006-05-17 US US11/435,132 patent/US7413334B2/en active Active
- 2006-05-17 CN CNB2006100847795A patent/CN100428021C/zh active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102893075A (zh) * | 2011-01-25 | 2013-01-23 | 松下电器产业株式会社 | 背光装置以及液晶显示装置 |
CN103574398A (zh) * | 2012-07-18 | 2014-02-12 | 株式会社东芝 | 显示器和背光装置 |
CN103792719A (zh) * | 2012-10-26 | 2014-05-14 | 船井电机株式会社 | 显示器件及电视机 |
CN105164467A (zh) * | 2013-01-30 | 2015-12-16 | 克利公司 | 光波导以及包括该光波导的灯 |
CN107407837A (zh) * | 2015-03-19 | 2017-11-28 | 三菱电机株式会社 | 面光源装置及液晶显示装置 |
CN107533255A (zh) * | 2015-04-23 | 2018-01-02 | 镭亚股份有限公司 | 基于双光导光栅的背光以及使用该背光的电子显示器 |
CN109844625A (zh) * | 2016-12-22 | 2019-06-04 | 欧姆龙株式会社 | 导光板、面光源装置、显示装置以及电子设备 |
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KR20060119781A (ko) | 2006-11-24 |
US7413334B2 (en) | 2008-08-19 |
US20060262564A1 (en) | 2006-11-23 |
KR100774061B1 (ko) | 2007-11-06 |
CN100428021C (zh) | 2008-10-22 |
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