KR100784572B1 - 일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체 - Google Patents
일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체 Download PDFInfo
- Publication number
- KR100784572B1 KR100784572B1 KR1020027000238A KR20027000238A KR100784572B1 KR 100784572 B1 KR100784572 B1 KR 100784572B1 KR 1020027000238 A KR1020027000238 A KR 1020027000238A KR 20027000238 A KR20027000238 A KR 20027000238A KR 100784572 B1 KR100784572 B1 KR 100784572B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light pipe
- diffuser
- backlight assembly
- pipe
- 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.)
- Expired - Fee Related
Links
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
- G02B6/0033—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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined 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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
- G02B6/0033—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
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)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/350,198 US6347873B1 (en) | 1999-07-08 | 1999-07-08 | Backlight assembly with a light pipe having an integral surface diffuser |
| US09/350,198 | 1999-07-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020064275A KR20020064275A (ko) | 2002-08-07 |
| KR100784572B1 true KR100784572B1 (ko) | 2007-12-10 |
Family
ID=23375633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020027000238A Expired - Fee Related KR100784572B1 (ko) | 1999-07-08 | 2000-06-29 | 일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6347873B1 (enExample) |
| EP (1) | EP1194741A4 (enExample) |
| JP (1) | JP4418864B2 (enExample) |
| KR (1) | KR100784572B1 (enExample) |
| IL (2) | IL147484A0 (enExample) |
| TW (1) | TWI252303B (enExample) |
| WO (1) | WO2001004579A1 (enExample) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347873B1 (en) * | 1999-07-08 | 2002-02-19 | Physical Optics Corporation | Backlight assembly with a light pipe having an integral surface diffuser |
| US6733147B2 (en) * | 2000-09-07 | 2004-05-11 | San Zhuang Wang | Backlighting system for displays |
| US6718115B1 (en) * | 2000-09-29 | 2004-04-06 | Palmone, Inc. | Personal digital assistant display illumination method and system |
| US7289083B1 (en) * | 2000-11-30 | 2007-10-30 | Palm, Inc. | Multi-sided display for portable computer |
| TW594277B (en) * | 2000-12-19 | 2004-06-21 | Taiwan Nano Electro Opt Tech | Face light source device |
| US8384674B1 (en) | 2001-01-30 | 2013-02-26 | Hewlett-Packard Development Company, L.P. | Integrated enclosure/touch screen assembly |
| US7348964B1 (en) * | 2001-05-22 | 2008-03-25 | Palm, Inc. | Single-piece top surface display layer and integrated front cover for an electronic device |
| JP2002231031A (ja) * | 2001-02-06 | 2002-08-16 | Enplas Corp | 面光源装置、画像表示装置及び導光板 |
| JP2003140136A (ja) * | 2001-05-01 | 2003-05-14 | Rohm Co Ltd | 液晶表示装置およびその光散乱用の面の形成方法 |
| US6992659B2 (en) | 2001-05-22 | 2006-01-31 | Palmone, Inc. | High transparency integrated enclosure touch screen assembly for a portable hand held device |
| US7142195B2 (en) | 2001-06-04 | 2006-11-28 | Palm, Inc. | Interface for interaction with display visible from both sides |
| JP4049624B2 (ja) * | 2001-07-27 | 2008-02-20 | 株式会社エンプラス | 面光源装置、画像表示装置及び導光板 |
| US6994203B2 (en) * | 2001-08-06 | 2006-02-07 | Mars Incorporated | Document validator subassembly |
| US6685328B1 (en) * | 2001-08-27 | 2004-02-03 | Plamone, Inc. | Display having planar light guide with integrally formed frame |
| US6806642B2 (en) * | 2001-09-04 | 2004-10-19 | Durel Corporation | Light source with cascading dyes and BEF |
| CN1241035C (zh) * | 2001-11-22 | 2006-02-08 | 多喜兰株式会社 | 光漫射片 |
| US7852430B1 (en) | 2001-11-29 | 2010-12-14 | Palm, Inc. | Light guide spacers for backlighting a reflective display |
| KR100515676B1 (ko) * | 2001-12-22 | 2005-09-23 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 유닛 및 그 조립방법 |
| US6880946B2 (en) * | 2002-01-15 | 2005-04-19 | Reflexite Corporation | Grooved optical microstructure light collimating films |
| TWI232281B (en) * | 2002-08-16 | 2005-05-11 | Toppoly Optoelectronics Corp | A backlight device of a LCD display |
| JP2004179116A (ja) * | 2002-11-29 | 2004-06-24 | Alps Electric Co Ltd | 背面照明装置及び液晶表示装置 |
| US20040165273A1 (en) * | 2003-02-17 | 2004-08-26 | Kuo Heng Sheng | Optical module with optical transmission and diffusion elements |
| USD497217S1 (en) | 2003-06-18 | 2004-10-12 | Focal Point, L.L.C. | Light fixture |
| USD495085S1 (en) | 2003-06-18 | 2004-08-24 | Focal Point, L.L.C. | Housing and cap portion of a light fixture |
| USD491687S1 (en) | 2003-06-18 | 2004-06-15 | Focal Point, Llc | Housing and cap portion of a light fixture |
| TWI280445B (en) * | 2003-12-12 | 2007-05-01 | Ind Tech Res Inst | Light guide apparatus for enhancing light source utilization efficiency |
| KR20060121172A (ko) * | 2003-12-15 | 2006-11-28 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 백라이트 디바이스 |
| JP4547276B2 (ja) | 2005-01-24 | 2010-09-22 | シチズン電子株式会社 | 面状光源 |
| US20060182409A1 (en) * | 2005-02-11 | 2006-08-17 | Eastman Kodak Company | Optical films of differing refractive indices |
| TWI263098B (en) * | 2005-02-16 | 2006-10-01 | Au Optronics Corp | Backlight module |
| US7401948B2 (en) | 2005-10-17 | 2008-07-22 | Visteon Global Technologies, Inc. | Near field lens having reduced size |
| TWI330738B (en) * | 2005-10-19 | 2010-09-21 | Ind Tech Res Inst | Sine-wave-like diffusion panel of a backlight module of direct type liquid crystal display |
| US7489453B2 (en) | 2005-11-15 | 2009-02-10 | Visteon Global Technologies, Inc. | Side emitting near field lens |
| US7160010B1 (en) | 2005-11-15 | 2007-01-09 | Visteon Global Technologies, Inc. | Light manifold for automotive light module |
| TWI266938B (en) * | 2005-11-18 | 2006-11-21 | Hon Hai Prec Ind Co Ltd | Light guiding plate |
| US20070115686A1 (en) * | 2005-11-23 | 2007-05-24 | Luc Tyberghien | Lighting assembly, backlight assembly, display panel, and methods of temperature control |
| US7564070B2 (en) | 2005-11-23 | 2009-07-21 | Visteon Global Technologies, Inc. | Light emitting diode device having a shield and/or filter |
| US7438454B2 (en) | 2005-11-29 | 2008-10-21 | Visteon Global Technologies, Inc. | Light assembly for automotive lighting applications |
| US7322726B2 (en) * | 2005-12-16 | 2008-01-29 | Magna International Inc. | One hundred and eighty degree headlamp adjuster |
| TW200730951A (en) * | 2006-02-10 | 2007-08-16 | Wintek Corp | Guide light module |
| JP2008016408A (ja) * | 2006-07-10 | 2008-01-24 | Citizen Electronics Co Ltd | 面状光源 |
| CN101511641B (zh) * | 2006-08-01 | 2015-09-23 | 3M创新有限公司 | 照明装置 |
| US7554742B2 (en) | 2007-04-17 | 2009-06-30 | Visteon Global Technologies, Inc. | Lens assembly |
| KR100985358B1 (ko) * | 2007-12-10 | 2010-10-04 | 히다치 가세고교 가부시끼가이샤 | 백라이트부 |
| JP5416134B2 (ja) * | 2008-01-08 | 2014-02-12 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 視差低減 |
| WO2009138255A1 (en) | 2008-02-06 | 2009-11-19 | Contex A/S | Measuring and compensating for light intensity in an optical scanner |
| US7639918B2 (en) * | 2008-05-05 | 2009-12-29 | Visteon Global Technologies, Inc. | Manifold-type lightguide with reduced thickness |
| US8783898B2 (en) * | 2009-05-01 | 2014-07-22 | Abl Ip Holding Llc | Light emitting devices and applications thereof |
| WO2011067719A1 (en) * | 2009-12-03 | 2011-06-09 | Koninklijke Philips Electronics N.V. | Transparent emissive window element |
| TW201222090A (en) * | 2010-11-16 | 2012-06-01 | Chi Mei Corp | Edge type backlight module |
| CN103090202B (zh) * | 2011-10-27 | 2015-01-14 | 东莞市奥普特自动化科技有限公司 | 一种无影照明装置 |
| CN102862337B (zh) * | 2012-10-15 | 2015-09-02 | 中航华东光电有限公司 | 一种光学膜组制作方法 |
| US9829617B2 (en) | 2014-11-10 | 2017-11-28 | Light Polymers Holding | Polymer-small molecule film or coating having reverse or flat dispersion of retardation |
| US9470831B2 (en) * | 2014-11-20 | 2016-10-18 | Xerox Corporation | Light pipe LED illuminator for illuminating an image bearing surface |
| DE102015104299A1 (de) | 2015-03-23 | 2016-09-29 | International Automotive Components Group Gmbh | Innenverkleidungsteil für ein Kraftfahrzeug |
| US9856172B2 (en) | 2015-08-25 | 2018-01-02 | Light Polymers Holding | Concrete formulation and methods of making |
| WO2018191550A1 (en) | 2017-04-13 | 2018-10-18 | Mirraviz, Inc. | Retroreflective display systems configured to display images using shaped light profile |
| US10914976B2 (en) * | 2017-12-01 | 2021-02-09 | Innolux Corporation | Electronic device |
| US10962696B2 (en) | 2018-01-31 | 2021-03-30 | Light Polymers Holding | Coatable grey polarizer |
| US11370914B2 (en) | 2018-07-24 | 2022-06-28 | Light Polymers Holding | Methods of forming polymeric polarizers from lyotropic liquid crystals and polymeric polarizers formed thereby |
| US12072520B2 (en) | 2021-11-11 | 2024-08-27 | Light Polymers Holding | Linear polarizers and methods of forming a linear polarizer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5485291A (en) * | 1994-02-22 | 1996-01-16 | Precision Lamp, Inc. | Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2692025B2 (ja) * | 1992-01-24 | 1997-12-17 | スタンレー電気株式会社 | 面状発光体装置 |
| US5528720A (en) * | 1992-03-23 | 1996-06-18 | Minnesota Mining And Manufacturing Co. | Tapered multilayer luminaire devices |
| EP0627638A1 (en) * | 1993-06-02 | 1994-12-07 | Hughes Aircraft Company | Elliptical diffuser |
| US5485354A (en) * | 1993-09-09 | 1996-01-16 | Precision Lamp, Inc. | Flat panel display lighting system |
| JPH09105804A (ja) * | 1995-10-13 | 1997-04-22 | Konica Corp | 光制御シート、面光源装置及び液晶表示装置 |
| JP3790571B2 (ja) * | 1995-11-06 | 2006-06-28 | 株式会社きもと | 光拡散性シートおよびそれを用いた液晶ディスプレイ用バックライトユニット |
| TW404532U (en) * | 1995-11-10 | 2000-09-01 | Starlite Ind | Panel for surface light source device |
| KR100271672B1 (ko) * | 1998-05-20 | 2000-11-15 | 구본준 | 시이트 구조의 광학소자 및 그를 이용한 백라이트 유니트 |
| US6347873B1 (en) * | 1999-07-08 | 2002-02-19 | Physical Optics Corporation | Backlight assembly with a light pipe having an integral surface diffuser |
-
1999
- 1999-07-08 US US09/350,198 patent/US6347873B1/en not_active Expired - Lifetime
-
2000
- 2000-06-01 TW TW089110732A patent/TWI252303B/zh not_active IP Right Cessation
- 2000-06-29 EP EP00943320A patent/EP1194741A4/en not_active Withdrawn
- 2000-06-29 IL IL14748400A patent/IL147484A0/xx active IP Right Grant
- 2000-06-29 WO PCT/US2000/018024 patent/WO2001004579A1/en not_active Ceased
- 2000-06-29 JP JP2001509946A patent/JP4418864B2/ja not_active Expired - Fee Related
- 2000-06-29 KR KR1020027000238A patent/KR100784572B1/ko not_active Expired - Fee Related
-
2001
- 2001-01-12 US US09/759,615 patent/US6481864B2/en not_active Expired - Lifetime
-
2002
- 2002-01-06 IL IL147484A patent/IL147484A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5485291A (en) * | 1994-02-22 | 1996-01-16 | Precision Lamp, Inc. | Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020064275A (ko) | 2002-08-07 |
| JP2003504682A (ja) | 2003-02-04 |
| US6347873B1 (en) | 2002-02-19 |
| US20010001595A1 (en) | 2001-05-24 |
| US6481864B2 (en) | 2002-11-19 |
| TWI252303B (en) | 2006-04-01 |
| IL147484A0 (en) | 2002-08-14 |
| EP1194741A4 (en) | 2002-09-04 |
| EP1194741A1 (en) | 2002-04-10 |
| IL147484A (en) | 2006-04-10 |
| JP4418864B2 (ja) | 2010-02-24 |
| WO2001004579A1 (en) | 2001-01-18 |
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