CN100428021C - 背光和液晶显示设备 - Google Patents
背光和液晶显示设备 Download PDFInfo
- Publication number
- CN100428021C CN100428021C CNB2006100847795A CN200610084779A CN100428021C CN 100428021 C CN100428021 C CN 100428021C CN B2006100847795 A CNB2006100847795 A CN B2006100847795A CN 200610084779 A CN200610084779 A CN 200610084779A CN 100428021 C CN100428021 C CN 100428021C
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- light guide
- plate
- optical
- 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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Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims description 45
- 230000001902 propagating effect Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 abstract description 31
- 238000009792 diffusion process Methods 0.000 abstract description 19
- 239000003086 colorant Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000000644 propagated effect Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- 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
- 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
- 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
Claims (12)
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 CN1866109A (zh) | 2006-11-22 |
CN100428021C true 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) |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
JP4636568B2 (ja) * | 2006-04-19 | 2011-02-23 | シャープ株式会社 | バックライト装置、及びこれを用いた表示装置 |
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 |
WO2008029540A1 (fr) * | 2006-09-08 | 2008-03-13 | Sharp Kabushiki Kaisha | Dispositif d'illumination, élément d'émission de lumière et composant d'affichage à cristaux liquides |
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 |
KR101464795B1 (ko) | 2007-05-20 | 2014-11-27 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 광 재순환 중공 공동형 디스플레이 백라이트 |
TWI439641B (zh) | 2007-05-20 | 2014-06-01 | 3M Innovative Properties Co | 用於側面發光型背光之準直光注入器 |
EP2162785B1 (en) | 2007-05-20 | 2018-03-07 | 3M Innovative Properties Company | Design parameters for thin hollow cavity backlights of the light-recycling type |
JP5336474B2 (ja) | 2007-05-20 | 2013-11-06 | スリーエム イノベイティブ プロパティズ カンパニー | 半鏡面構成要素を備えたリサイクル型バックライト |
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 |
US8848132B2 (en) | 2008-02-07 | 2014-09-30 | 3M Innovative Properties Company | Hollow backlight with structured films |
EP2252828A1 (en) | 2008-02-22 | 2010-11-24 | 3M Innovative Properties Company | Backlights having selected output light flux distributions and display systems using same |
JP5021070B2 (ja) * | 2008-03-07 | 2012-09-05 | シャープ株式会社 | 発光素子、照明装置および液晶表示装置 |
KR20110019388A (ko) | 2008-06-04 | 2011-02-25 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 경사형 광원을 갖는 중공 백라이트 |
US8258526B2 (en) * | 2008-07-03 | 2012-09-04 | Samsung Led Co., Ltd. | Light emitting diode package including a lead frame with a cavity |
EP2312660B1 (en) | 2008-07-03 | 2018-03-21 | Samsung Electronics Co., Ltd. | An led package and a backlight unit comprising said led package |
US8297786B2 (en) | 2008-07-10 | 2012-10-30 | Oree, Inc. | Slim waveguide coupling apparatus and method |
US8301002B2 (en) | 2008-07-10 | 2012-10-30 | Oree, Inc. | Slim waveguide coupling apparatus and method |
US7905617B2 (en) * | 2008-09-23 | 2011-03-15 | Samsung LED. Co., Ltd. | Backlight unit |
US7632002B1 (en) | 2008-10-24 | 2009-12-15 | Samsung Electro-Mechanics Co., Ltd. | Backlight unit |
CN102197257A (zh) * | 2008-11-04 | 2011-09-21 | 夏普株式会社 | 面光源装置和液晶显示装置 |
CN102216672A (zh) * | 2008-11-20 | 2011-10-12 | 夏普株式会社 | 照明装置、显示装置和电视接收装置 |
US8212263B2 (en) * | 2009-04-03 | 2012-07-03 | Koninklijke Philips Electronics N.V. | Backlight including semiconductior light emitting devices |
US20100320904A1 (en) * | 2009-05-13 | 2010-12-23 | Oree Inc. | LED-Based Replacement Lamps for Incandescent Fixtures |
KR101725931B1 (ko) | 2010-03-24 | 2017-04-12 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 갖는 표시장치 |
US9651729B2 (en) * | 2010-04-16 | 2017-05-16 | Flex Lighting Ii, Llc | Reflective display comprising a frontlight with extraction features and a light redirecting optical element |
US20120113619A1 (en) * | 2010-11-04 | 2012-05-10 | Au Optronics Corporation | Light source and backlight module having the same |
KR101759636B1 (ko) * | 2011-01-19 | 2017-07-21 | 삼성디스플레이 주식회사 | 표시 장치 |
WO2012101715A1 (ja) * | 2011-01-25 | 2012-08-02 | パナソニック株式会社 | バックライト装置および液晶表示装置 |
CN102128394B (zh) * | 2011-03-09 | 2013-12-11 | 上海向隆电子科技有限公司 | 背光模块及液晶显示装置 |
EP2691799B1 (de) | 2011-03-26 | 2020-08-19 | Schott AG | Led-beleuchtungseinrichtung |
JP2012248293A (ja) * | 2011-05-25 | 2012-12-13 | Japan Display East Inc | バックライト及び表示装置 |
EP2718756B1 (en) * | 2011-06-09 | 2016-04-27 | Koninklijke Philips N.V. | Luminaire |
KR20130011855A (ko) | 2011-07-22 | 2013-01-30 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 구비하는 표시 장치 |
KR101767973B1 (ko) * | 2011-08-16 | 2017-08-16 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 |
JP5087164B1 (ja) * | 2011-08-31 | 2012-11-28 | 株式会社東芝 | バックライト装置および表示装置 |
US8591072B2 (en) | 2011-11-16 | 2013-11-26 | Oree, Inc. | Illumination apparatus confining light by total internal reflection and methods of forming the same |
TW201341721A (zh) * | 2012-04-03 | 2013-10-16 | 隆達電子股份有限公司 | 光引導元件、照明模組及板燈燈具 |
WO2014006501A1 (en) | 2012-07-03 | 2014-01-09 | Yosi Shani | Planar remote phosphor illumination apparatus |
JP5318261B1 (ja) | 2012-07-18 | 2013-10-16 | 株式会社東芝 | 表示装置およびバックライト装置 |
JP2014086406A (ja) * | 2012-10-26 | 2014-05-12 | Funai Electric Co Ltd | 表示装置 |
EP2951626B1 (en) * | 2013-01-30 | 2020-12-30 | Ideal Industries Lighting Llc | Optical waveguides |
CN104180241A (zh) * | 2013-05-22 | 2014-12-03 | 扬升照明股份有限公司 | 背光模块 |
CN104676494A (zh) * | 2013-11-29 | 2015-06-03 | 鸿富锦精密工业(深圳)有限公司 | 光源模组 |
JP6184618B2 (ja) * | 2015-03-19 | 2017-08-23 | 三菱電機株式会社 | 面光源装置及び液晶表示装置 |
WO2016160048A1 (en) | 2015-03-30 | 2016-10-06 | Leia Inc. | 2d/3d mode-switchable electronic display with dual layer backlight |
JP6961491B2 (ja) * | 2015-04-23 | 2021-11-05 | レイア、インコーポレイテッドLeia Inc. | 二重ライトガイド式格子ベースのバックライトおよび同バックライトを用いる電子ディスプレイ |
CN107624163B (zh) | 2015-05-09 | 2020-11-06 | 镭亚股份有限公司 | 基于颜色扫描光栅的背光体及使用该背光体的电子显示器 |
KR20170052808A (ko) * | 2015-11-04 | 2017-05-15 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함한 표시장치 |
US10142671B2 (en) * | 2016-02-19 | 2018-11-27 | Lg Electronics Inc. | User interface apparatus for vehicles and vehicle having the same |
US11181678B2 (en) * | 2016-05-04 | 2021-11-23 | Lumileds Llc | Molded light guide for optically coupling light from LEDs |
US10274661B1 (en) * | 2016-07-28 | 2019-04-30 | Rockwell Collins, Inc. | Compact waveguide backlight system and method |
JP6857297B2 (ja) * | 2016-12-22 | 2021-04-14 | 日亜化学工業株式会社 | 導光板、面光源装置、表示装置及び電子機器 |
EP3728941A4 (en) | 2017-12-18 | 2021-07-28 | LEIA Inc. | SWITCHABLE MODE BACKLIGHT, DISPLAY DEVICE, AND METHOD |
US11994698B2 (en) | 2018-08-30 | 2024-05-28 | Azumo, Inc. | Film-based frontlight with angularly varying diffusion film |
WO2020123539A1 (en) | 2018-12-11 | 2020-06-18 | Flex Lighting Ii, Llc | Front illumination lightguide with a diffusely reflective release liner |
CN113678036B (zh) | 2019-01-09 | 2024-02-02 | 阿祖莫公司 | 包括以不同的折叠角折叠的耦合光导的反射型显示器 |
JP2020170086A (ja) * | 2019-04-03 | 2020-10-15 | 株式会社ジャパンディスプレイ | 電子機器 |
US11513274B2 (en) | 2019-08-01 | 2022-11-29 | Azumo, Inc. | Lightguide with a light input edge between lateral edges of a folded strip |
CZ2020344A3 (cs) | 2020-06-15 | 2021-12-22 | Varroc Lighting Systems, s.r.o. | Osvětlovací jednotka pro světelné zařízení motorového vozidla |
US11957804B2 (en) * | 2020-09-28 | 2024-04-16 | The Boeing Company | Optical disinfection systems having side-emitting optical fiber coupled to high-energy UV-C laser diode |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10133027A (ja) * | 1996-11-05 | 1998-05-22 | Mitsubishi Electric Corp | バックライトユニット及びこれを用いた液晶表示装置 |
JPH11149073A (ja) * | 1997-11-18 | 1999-06-02 | Matsushita Electric Ind Co Ltd | 面光源装置および液晶表示装置 |
JP2004158336A (ja) * | 2002-11-07 | 2004-06-03 | Advanced Display Inc | 面状光源装置および該装置を用いた液晶表示装置 |
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JPH03107821A (ja) * | 1989-09-21 | 1991-05-08 | Nippon Steel Corp | 液晶ディスプレイ装置 |
JPH07218907A (ja) * | 1994-01-27 | 1995-08-18 | Hitachi Ltd | 面発光装置 |
TW514709B (en) | 2000-05-04 | 2002-12-21 | Koninkl Philips Electronics Nv | Illumination system and display device |
KR100856814B1 (ko) * | 2001-06-01 | 2008-09-05 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 조명 시스템 및 디스플레이 장치 |
EP1376872B1 (de) * | 2002-05-07 | 2007-10-10 | Schott Ag | Beleuchtungseinrichtung für Schaltflächen |
KR100933370B1 (ko) * | 2002-12-31 | 2009-12-21 | 하이디스 테크놀로지 주식회사 | 액정표시장치의 백라이트 유니트 |
KR100978257B1 (ko) * | 2003-12-27 | 2010-08-26 | 엘지디스플레이 주식회사 | 액정표시장치의 백라이트 유닛 |
JP2005310611A (ja) * | 2004-04-23 | 2005-11-04 | Hitachi Displays Ltd | バックライト装置及び表示装置 |
-
2006
- 2006-05-16 KR KR1020060043771A patent/KR100774061B1/ko active Active
- 2006-05-17 CN CNB2006100847795A patent/CN100428021C/zh active Active
- 2006-05-17 US US11/435,132 patent/US7413334B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10133027A (ja) * | 1996-11-05 | 1998-05-22 | Mitsubishi Electric Corp | バックライトユニット及びこれを用いた液晶表示装置 |
JPH11149073A (ja) * | 1997-11-18 | 1999-06-02 | Matsushita Electric Ind Co Ltd | 面光源装置および液晶表示装置 |
JP2004158336A (ja) * | 2002-11-07 | 2004-06-03 | Advanced Display Inc | 面状光源装置および該装置を用いた液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
KR100774061B1 (ko) | 2007-11-06 |
US7413334B2 (en) | 2008-08-19 |
KR20060119781A (ko) | 2006-11-24 |
CN1866109A (zh) | 2006-11-22 |
US20060262564A1 (en) | 2006-11-23 |
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