TWI494656B - 具有經選擇的輸出光流量分佈的背光器及使用其之顯示器系統 - Google Patents
具有經選擇的輸出光流量分佈的背光器及使用其之顯示器系統 Download PDFInfo
- Publication number
- TWI494656B TWI494656B TW098105544A TW98105544A TWI494656B TW I494656 B TWI494656 B TW I494656B TW 098105544 A TW098105544 A TW 098105544A TW 98105544 A TW98105544 A TW 98105544A TW I494656 B TWI494656 B TW I494656B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- backlight
- reflector
- back reflector
- cavity
- Prior art date
Links
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Classifications
-
- 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
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3076708P | 2008-02-22 | 2008-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200951573A TW200951573A (en) | 2009-12-16 |
| TWI494656B true TWI494656B (zh) | 2015-08-01 |
Family
ID=40591995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW098105544A TWI494656B (zh) | 2008-02-22 | 2009-02-20 | 具有經選擇的輸出光流量分佈的背光器及使用其之顯示器系統 |
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 (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI458918B (zh) | 2007-05-20 | 2014-11-01 | 3M Innovative Properties Co | 具有有利設計特性之薄形中空背光 |
| US9028108B2 (en) | 2007-05-20 | 2015-05-12 | 3M Innovative Properties Company | Collimating light injectors for edge-lit backlights |
| TW200916916A (en) * | 2007-05-20 | 2009-04-16 | 3M Innovative Properties Co | White light backlights and the like with efficient utilization of colored LED sources |
| 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 |
| 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 |
| KR101571576B1 (ko) * | 2008-02-07 | 2015-11-24 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 구조화된 필름을 구비한 중공형 백라이트 |
| KR20100126389A (ko) | 2008-02-22 | 2010-12-01 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 선택된 출력 광속 분포를 갖는 백라이트 및 이를 사용한 디스플레이 시스템 |
| EP2297607B1 (en) * | 2008-06-04 | 2014-04-23 | 3M Innovative Properties Company | Hollow backlight with tilted light source |
| KR20160105527A (ko) | 2008-07-10 | 2016-09-06 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 점탄성 도광체 |
| CN107037526A (zh) | 2008-08-08 | 2017-08-11 | 3M创新有限公司 | 具有粘弹性层的用于控制光的光导 |
| US8591052B2 (en) * | 2008-10-27 | 2013-11-26 | 3M Innovative Properties Company | Semispecular hollow backlight with gradient extraction |
| KR100975876B1 (ko) * | 2008-11-11 | 2010-08-13 | 삼성에스디아이 주식회사 | 백라이트 유닛 |
| BRPI1007601A2 (pt) | 2009-04-24 | 2016-02-16 | 3M Innovative Properties Co | "conjunto de luz" |
| DE102009033287A1 (de) * | 2009-07-15 | 2011-01-20 | Osram Opto Semiconductors Gmbh | Leuchtdiode und Verfahren zur Herstellung einer Leuchtdiode |
| JP5858911B2 (ja) | 2009-07-21 | 2016-02-10 | スリーエム イノベイティブ プロパティズ カンパニー | ライトアセンブリ |
| JP4929345B2 (ja) * | 2009-12-28 | 2012-05-09 | 株式会社東芝 | 発光装置 |
| 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 |
| KR101290631B1 (ko) * | 2010-12-06 | 2013-07-30 | 엘지이노텍 주식회사 | 백라이트 유닛 |
| 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 |
| WO2013059226A1 (en) * | 2011-10-20 | 2013-04-25 | 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 |
| EP2815269A4 (en) * | 2012-02-17 | 2015-10-14 | 3M Innovative Properties Co | BACKLIGHT SYSTEM |
| 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 |
| KR101975488B1 (ko) * | 2012-03-14 | 2019-05-08 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 포함하는 표시 장치 |
| US9752753B2 (en) * | 2012-03-14 | 2017-09-05 | Samsung Display Co., Ltd. | Display device comprising the same |
| WO2015011590A1 (en) * | 2013-07-22 | 2015-01-29 | Koninklijke Philips N.V. | Flip-chip side emitting led |
| US9690041B2 (en) * | 2013-12-17 | 2017-06-27 | Seoul Semiconductor Co., Ltd. | Air cavity LED backlight unit |
| JP6045725B2 (ja) * | 2014-01-02 | 2016-12-14 | フィリップス ライティング ホールディング ビー ヴィ | 発光モジュール |
| CN108361571A (zh) * | 2014-01-02 | 2018-08-03 | 飞利浦照明控股有限公司 | 发光模块 |
| 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 |
| WO2017200950A1 (en) | 2016-05-19 | 2017-11-23 | Reald Spark, Llc | Wide angle imaging directional backlights |
| CN110809732B (zh) | 2017-05-08 | 2025-01-10 | 瑞尔D斯帕克有限责任公司 | 用于成像定向背光源的光学叠堆 |
| US11327358B2 (en) | 2017-05-08 | 2022-05-10 | Reald Spark, Llc | Optical stack for directional display |
| TWI878209B (zh) | 2017-09-15 | 2025-04-01 | 美商瑞爾Ｄ斯帕克有限責任公司 | 顯示裝置及應用於顯示裝置的視角控制光學元件 |
| WO2019090246A1 (en) | 2017-11-06 | 2019-05-09 | Reald Spark, Llc | Privacy display apparatus |
| CA3089476A1 (en) | 2018-01-25 | 2019-08-01 | Reald Spark, Llc | Reflective optical stack for privacy display |
| KR102759510B1 (ko) | 2018-01-25 | 2025-02-04 | 리얼디 스파크, 엘엘씨 | 프라이버시 디스플레이를 위한 터치스크린 |
| KR102759511B1 (ko) | 2018-03-22 | 2025-02-03 | 리얼디 스파크, 엘엘씨 | 지향성 백라이트용 광학 도파관 |
| WO2020005748A1 (en) | 2018-06-29 | 2020-01-02 | Reald Spark, Llc | Optical stack for privacy display |
| CN112602011A (zh) | 2018-07-18 | 2021-04-02 | 瑞尔D斯帕克有限责任公司 | 用于可切换定向显示器的光学堆叠 |
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- 2009-02-18 US US12/918,549 patent/US9541698B2/en not_active Expired - Fee Related
- 2009-02-18 JP JP2010547717A patent/JP5792464B2/ja not_active Expired - Fee Related
- 2009-02-18 CN CN200980106059.6A patent/CN101952646B/zh not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| TW200951573A (en) | 2009-12-16 |
| KR20100126389A (ko) | 2010-12-01 |
| WO2009105450A1 (en) | 2009-08-27 |
| US20110096529A1 (en) | 2011-04-28 |
| CN101952646B (zh) | 2014-01-29 |
| US9541698B2 (en) | 2017-01-10 |
| JP5792464B2 (ja) | 2015-10-14 |
| CN101952646A (zh) | 2011-01-19 |
| JP2011513897A (ja) | 2011-04-28 |
| EP2252828A1 (en) | 2010-11-24 |
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