JP5792464B2 - 選択的出力光束分布を有するバックライト及びそれを使用した表示システム並びにバックライトの形成方法 - Google Patents
選択的出力光束分布を有するバックライト及びそれを使用した表示システム並びにバックライトの形成方法 Download PDFInfo
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- JP5792464B2 JP5792464B2 JP2010547717A JP2010547717A JP5792464B2 JP 5792464 B2 JP5792464 B2 JP 5792464B2 JP 2010547717 A JP2010547717 A JP 2010547717A JP 2010547717 A JP2010547717 A JP 2010547717A JP 5792464 B2 JP5792464 B2 JP 5792464B2
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- Prior art keywords
- light
- reflector
- backlight
- cavity
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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
- G02F1/1336—Illuminating devices
-
- 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
- G02B6/0045—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 by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02B6/0051—Diffusing 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
- G02B6/005—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
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
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)
- Liquid Crystal (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3076708P | 2008-02-22 | 2008-02-22 | |
| US61/030,767 | 2008-02-22 | ||
| PCT/US2009/034369 WO2009105450A1 (en) | 2008-02-22 | 2009-02-18 | Backlights having selected output light flux distributions and display systems using same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011513897A JP2011513897A (ja) | 2011-04-28 |
| JP2011513897A5 JP2011513897A5 (enExample) | 2012-04-05 |
| JP5792464B2 true JP5792464B2 (ja) | 2015-10-14 |
Family
ID=40591995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010547717A Expired - Fee Related JP5792464B2 (ja) | 2008-02-22 | 2009-02-18 | 選択的出力光束分布を有するバックライト及びそれを使用した表示システム並びにバックライトの形成方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9541698B2 (enExample) |
| EP (1) | EP2252828A1 (enExample) |
| JP (1) | JP5792464B2 (enExample) |
| KR (1) | KR20100126389A (enExample) |
| CN (1) | CN101952646B (enExample) |
| TW (1) | TWI494656B (enExample) |
| WO (1) | WO2009105450A1 (enExample) |
Families Citing this family (68)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI467283B (zh) * | 2007-05-20 | 2015-01-01 | 3M Innovative Properties Co | 具有半反射鏡組件之再循環背光 |
| WO2008147753A2 (en) * | 2007-05-20 | 2008-12-04 | 3M Innovative Properties Company | White light backlights and the like with efficient utilization of colored led sources |
| US8523419B2 (en) * | 2007-05-20 | 2013-09-03 | 3M Innovative Properties Company | Thin hollow backlights with beneficial design characteristics |
| EP2535766A3 (en) | 2007-05-20 | 2013-05-01 | 3M Innovative Properties Company | Asymmetric reflective film and backlight having a hollow cavity, which recycles the light |
| CN101939675A (zh) * | 2008-02-07 | 2011-01-05 | 3M创新有限公司 | 具有结构化膜的中空背光源 |
| WO2009105450A1 (en) | 2008-02-22 | 2009-08-27 | 3M Innovative Properties Company | Backlights having selected output light flux distributions and display systems using same |
| EP2297607B1 (en) * | 2008-06-04 | 2014-04-23 | 3M Innovative Properties Company | Hollow backlight with tilted light source |
| EP2313800A4 (en) | 2008-07-10 | 2014-03-19 | 3M Innovative Properties Co | VISCOELASTIC LIGHT GUIDE |
| KR20110043732A (ko) | 2008-08-08 | 2011-04-27 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 광을 처리하기 위한 점탄성층을 갖는 도광체 |
| BRPI0914366A2 (pt) * | 2008-10-27 | 2015-10-20 | 3M Innovative Properties Co | ''equipamento de luz de fundo'' |
| KR100975876B1 (ko) * | 2008-11-11 | 2010-08-13 | 삼성에스디아이 주식회사 | 백라이트 유닛 |
| WO2010124158A1 (en) | 2009-04-24 | 2010-10-28 | 3M Innovative Properties Company | Light assembly |
| DE102009033287A1 (de) * | 2009-07-15 | 2011-01-20 | Osram Opto Semiconductors Gmbh | Leuchtdiode und Verfahren zur Herstellung einer Leuchtdiode |
| CN102472470B (zh) | 2009-07-21 | 2016-10-12 | 3M创新有限公司 | 灯组件 |
| JP4929345B2 (ja) * | 2009-12-28 | 2012-05-09 | 株式会社東芝 | 発光装置 |
| KR101290631B1 (ko) * | 2010-12-06 | 2013-07-30 | 엘지이노텍 주식회사 | 백라이트 유닛 |
| JP5406225B2 (ja) * | 2010-12-06 | 2014-02-05 | エルジー イノテック カンパニー リミテッド | バックライトユニット |
| JP2012204233A (ja) * | 2011-03-28 | 2012-10-22 | Panasonic Corp | 光照射装置及び光照射治療・予防装置 |
| JP6192535B2 (ja) * | 2011-04-22 | 2017-09-06 | スリーエム イノベイティブ プロパティズ カンパニー | 光ダクト及び照明装置 |
| US9441809B2 (en) * | 2011-10-20 | 2016-09-13 | 3M Innovative Properties Company | Illumination systems with sloped transmission spectrum front reflector |
| KR101943446B1 (ko) * | 2011-12-20 | 2019-01-30 | 엘지이노텍 주식회사 | 디스플레이 장치 및 조명 시스템 |
| KR20140129157A (ko) * | 2012-02-17 | 2014-11-06 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 백라이트 시스템 |
| WO2013127250A1 (zh) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | 一种电子设备 |
| US9752753B2 (en) | 2012-03-14 | 2017-09-05 | Samsung Display Co., Ltd. | Display device comprising the same |
| KR101975488B1 (ko) * | 2012-03-14 | 2019-05-08 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 포함하는 표시 장치 |
| EP3025380B1 (en) * | 2013-07-22 | 2019-12-25 | Lumileds Holding B.V. | Flip-chip side emitting led |
| US9690041B2 (en) * | 2013-12-17 | 2017-06-27 | Seoul Semiconductor Co., Ltd. | Air cavity LED backlight unit |
| CN104968991A (zh) * | 2014-01-02 | 2015-10-07 | 皇家飞利浦有限公司 | 发光模块 |
| EP2935980B1 (en) * | 2014-01-02 | 2016-06-15 | Philips Lighting Holding B.V. | Light emitting module |
| CN104763919B (zh) * | 2014-01-08 | 2017-04-12 | 扬升照明股份有限公司 | 光源模块 |
| US9046637B1 (en) | 2014-02-25 | 2015-06-02 | 3M Innovative Properties Company | Tubular lighting systems with inner and outer structured surfaces |
| US10161593B2 (en) | 2014-02-25 | 2018-12-25 | 3M Innovative Properties Company | Solid state lighting device with virtual filament(s) |
| JP2016076634A (ja) * | 2014-10-08 | 2016-05-12 | エルジー ディスプレイ カンパニー リミテッド | Ｌｅｄパッケージ、バックライトユニット及び液晶表示装置 |
| CN104501094B (zh) * | 2014-12-02 | 2017-10-13 | 深圳市华星光电技术有限公司 | 导光板、背光模组及显示装置 |
| US9667928B2 (en) * | 2015-03-06 | 2017-05-30 | Prysm, Inc. | Lambertian servo sensor position and timing |
| KR102493918B1 (ko) * | 2016-03-09 | 2023-02-01 | 삼성전자주식회사 | 디스플레이 장치 |
| EP3458897B1 (en) | 2016-05-19 | 2025-04-02 | RealD Spark, LLC | Wide angle imaging directional backlights |
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-
2009
- 2009-02-18 WO PCT/US2009/034369 patent/WO2009105450A1/en not_active Ceased
- 2009-02-18 EP EP09713533A patent/EP2252828A1/en not_active Withdrawn
- 2009-02-18 US US12/918,549 patent/US9541698B2/en not_active Expired - Fee Related
- 2009-02-18 CN CN200980106059.6A patent/CN101952646B/zh not_active Expired - Fee Related
- 2009-02-18 KR KR1020107020611A patent/KR20100126389A/ko not_active Ceased
- 2009-02-18 JP JP2010547717A patent/JP5792464B2/ja not_active Expired - Fee Related
- 2009-02-20 TW TW098105544A patent/TWI494656B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US20110096529A1 (en) | 2011-04-28 |
| JP2011513897A (ja) | 2011-04-28 |
| TW200951573A (en) | 2009-12-16 |
| US9541698B2 (en) | 2017-01-10 |
| CN101952646B (zh) | 2014-01-29 |
| CN101952646A (zh) | 2011-01-19 |
| TWI494656B (zh) | 2015-08-01 |
| WO2009105450A1 (en) | 2009-08-27 |
| EP2252828A1 (en) | 2010-11-24 |
| KR20100126389A (ko) | 2010-12-01 |
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