IL99091A0 - Facetted light pipe - Google Patents

Facetted light pipe

Info

Publication number
IL99091A0
IL99091A0 IL99091A IL9909191A IL99091A0 IL 99091 A0 IL99091 A0 IL 99091A0 IL 99091 A IL99091 A IL 99091A IL 9909191 A IL9909191 A IL 9909191A IL 99091 A0 IL99091 A0 IL 99091A0
Authority
IL
Israel
Prior art keywords
light pipe
light
front surface
back surface
parallel
Prior art date
Application number
IL99091A
Other languages
English (en)
Original Assignee
Compaq Computer Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compaq Computer Corp filed Critical Compaq Computer Corp
Publication of IL99091A0 publication Critical patent/IL99091A0/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • 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
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • 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
    • G02B6/0055—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
    • G02B6/0066—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 characterised by the light source being coupled to 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Laser Surgery Devices (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Crystal Substances (AREA)
IL99091A 1990-09-27 1991-08-05 Facetted light pipe IL99091A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/589,325 US5050946A (en) 1990-09-27 1990-09-27 Faceted light pipe

Publications (1)

Publication Number Publication Date
IL99091A0 true IL99091A0 (en) 1992-07-15

Family

ID=24357544

Family Applications (1)

Application Number Title Priority Date Filing Date
IL99091A IL99091A0 (en) 1990-09-27 1991-08-05 Facetted light pipe

Country Status (11)

Country Link
US (1) US5050946A (ja)
EP (1) EP0478102B1 (ja)
JP (1) JPH04234729A (ja)
KR (1) KR920006895A (ja)
AT (1) ATE145288T1 (ja)
AU (1) AU646061B2 (ja)
BR (1) BR9104149A (ja)
CA (1) CA2035301A1 (ja)
DE (1) DE69123117D1 (ja)
IL (1) IL99091A0 (ja)
MX (1) MX173611B (ja)

Families Citing this family (275)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353075A (en) * 1988-08-17 1994-10-04 In Focus Systems, Inc. Convertible flat panel display system
US5801793A (en) * 1994-04-21 1998-09-01 Reveo, Inc. Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation
US5828427A (en) * 1990-06-11 1998-10-27 Reveo, Inc. Computer-based image display systems having direct and projection modes of viewing
US5150960A (en) * 1991-12-06 1992-09-29 General Motors Corporation Rear license plate illumination
US5146354A (en) * 1991-05-07 1992-09-08 Compaq Computer Corporation LCD system with a backlight having a light source at a light pipe's edge and with the LCD enframed
JPH05142535A (ja) * 1991-08-29 1993-06-11 Meitaku Syst:Kk エツジライトパネルの入射光供給装置
JP3184219B2 (ja) * 1991-09-27 2001-07-09 康博 小池 光散乱導光体とその製造方法及び応用光学装置
JPH05127161A (ja) * 1991-11-07 1993-05-25 Rohm Co Ltd 液晶表示装置及びそのバツクライト
KR970008351B1 (ko) * 1991-12-03 1997-05-23 샤프 가부시끼가이샤 액정 표시 장치
US5438484A (en) * 1991-12-06 1995-08-01 Canon Kabushiki Kaisha Surface lighting device and a display having such a lighting device
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
JP3025109B2 (ja) * 1992-03-11 2000-03-27 シャープ株式会社 光源および光源装置
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5303322A (en) * 1992-03-23 1994-04-12 Nioptics Corporation Tapered multilayer luminaire devices
US5237641A (en) * 1992-03-23 1993-08-17 Nioptics Corporation Tapered multilayer luminaire devices
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US5272327A (en) * 1992-05-26 1993-12-21 Compaq Computer Corporation Constant brightness liquid crystal display backlight control system
CA2097109C (en) * 1992-06-01 2000-01-11 Shozo Kokawa Liquid crystal display
JP2980776B2 (ja) * 1992-06-04 1999-11-22 東ソー株式会社 バックライト
JP3136200B2 (ja) * 1992-07-22 2001-02-19 株式会社日立製作所 液晶表示装置
DE4227468C2 (de) * 1992-08-20 2002-01-17 Teves Gmbh Alfred Elektrische Schaltereinheit, insbesondere zur Steuerung von Klimaanlagen in Kraftfahrzeugen
US5323477A (en) * 1992-08-24 1994-06-21 Motorola, Inc. Contact array imager with integral waveguide and electronics
JPH0695112A (ja) * 1992-09-16 1994-04-08 Hitachi Ltd プリズムプレートおよびそれを用いた情報表示装置
US5339179A (en) * 1992-10-01 1994-08-16 International Business Machines Corp. Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel
US5359691A (en) * 1992-10-08 1994-10-25 Briteview Technologies Backlighting system with a multi-reflection light injection system and using microprisms
US5390276A (en) * 1992-10-08 1995-02-14 Briteview Technologies Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display
US5499165A (en) * 1992-10-08 1996-03-12 Holmes, Jr.; Lawrence Transparent edge-lit lighting pane for displays
US5432876C1 (en) * 1992-10-19 2002-05-21 Minnesota Mining & Mfg Illumination devices and optical fibres for use therein
JPH06160638A (ja) * 1992-11-24 1994-06-07 Stanley Electric Co Ltd 照明装置及びその製造方法
US5400224A (en) * 1993-01-08 1995-03-21 Precision Lamp, Inc. Lighting panel
DE69435168D1 (de) 1993-01-19 2009-01-02 Canon Kk Längliche Beleuchtungsvorrichtung und Informationsauslesevorrichtung, die eine solche Beleuchtungsvorrichtung aufweist
US6426807B1 (en) 1993-01-19 2002-07-30 Canon Kabushiki Kaisha Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device
JPH06314069A (ja) * 1993-03-03 1994-11-08 Fujitsu Ltd 照明装置
US6111622A (en) * 1993-03-12 2000-08-29 Ois Optical Imaging Systems, Inc. Day/night backlight for a liquid crystal display
FR2703008B1 (fr) * 1993-03-25 1995-06-16 Jaeger Tableau de bord de faible epaisseur notamment pour vehicule automobile.
WO1994023244A1 (en) * 1993-03-29 1994-10-13 Precision Lamp, Inc. Flat thin uniform thickness large area light source
WO1994024482A1 (fr) * 1993-04-22 1994-10-27 Parmentier Francois Dispositif d'eclairage reparti
JP3781441B2 (ja) * 1993-07-23 2006-05-31 康博 小池 光散乱導光光源装置及び液晶表示装置
US5485354A (en) * 1993-09-09 1996-01-16 Precision Lamp, Inc. Flat panel display lighting system
US5455882A (en) * 1993-09-29 1995-10-03 Associated Universities, Inc. Interactive optical panel
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
DE69427864T2 (de) * 1993-10-05 2002-07-04 Teledyne Lighting & Display Lichtquelle für hintergrundsbeleuchtung
US5440197A (en) * 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
US5428468A (en) * 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
US5555329A (en) * 1993-11-05 1996-09-10 Alliesignal Inc. Light directing optical structure
US5521725A (en) * 1993-11-05 1996-05-28 Alliedsignal Inc. Illumination system employing an array of microprisms
US6129439A (en) * 1993-11-05 2000-10-10 Alliedsignal Inc. Illumination system employing an array of multi-faceted microprisms
US5477239A (en) * 1993-11-12 1995-12-19 Dell Usa, L.P. Front lighting system for liquid crystal display
US5598281A (en) * 1993-11-19 1997-01-28 Alliedsignal Inc. Backlight assembly for improved illumination employing tapered optical elements
US5390085A (en) * 1993-11-19 1995-02-14 Motorola, Inc. Light diffuser for a liquid crystal display
US5479275A (en) * 1993-12-03 1995-12-26 Ois Optical Imaging Systems, Inc. Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source
FI95177C (fi) * 1994-01-10 1995-12-27 Nokia Mobile Phones Ltd Elektronisen laitteen valaistulla valintanäppäimistöllä varustettu etupaneeli
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
US5982540A (en) 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
CA2134902C (en) * 1994-04-07 2000-05-16 Friedrich Bertignoll Light diffusing apparatus
US20050007514A1 (en) * 1994-04-21 2005-01-13 Faris Sadeg M. Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation
JP3538220B2 (ja) * 1994-05-25 2004-06-14 株式会社エンプラス コーナー部光供給型面光源装置
US5671994A (en) * 1994-06-08 1997-09-30 Clio Technologies, Inc. Flat and transparent front-lighting system using microprisms
US5969343A (en) * 1995-08-24 1999-10-19 Matsushita Electric Industrial Co., Ltd. Linear illumination device
JPH0868910A (ja) * 1994-08-29 1996-03-12 Enplas Corp 面光源装置用導光板及びその製造方法
DE782701T1 (de) * 1994-09-20 1998-11-12 Neopath Inc Vorrichtung zur illuminierung, stabilisierung und homogenisierung
US5692066A (en) * 1994-09-20 1997-11-25 Neopath, Inc. Method and apparatus for image plane modulation pattern recognition
US5506929A (en) * 1994-10-19 1996-04-09 Clio Technologies, Inc. Light expanding system for producing a linear or planar light beam from a point-like light source
WO1996017207A1 (en) * 1994-11-29 1996-06-06 Precision Lamp, Inc. Edge light for panel display
US5579134A (en) * 1994-11-30 1996-11-26 Honeywell Inc. Prismatic refracting optical array for liquid flat panel crystal display backlight
US5659643A (en) * 1995-01-23 1997-08-19 Minnesota Mining And Manufacturing Company Notched fiber array illumination device
TW344032B (en) * 1995-01-27 1998-11-01 Mitsui Toatsu Chemicals Light reflective sheet and light reflector using it
JP3251452B2 (ja) * 1995-01-31 2002-01-28 シャープ株式会社 液晶表示装置におけるバックライト装置
FR2733299B1 (fr) * 1995-04-20 1997-07-04 Valeo Vision Dispositif d'eclairage ou de signalisation de vehicule, notamment automobile, a barreau optique
US5608837A (en) * 1995-05-15 1997-03-04 Clio Technologies, Inc. Transmissive type display and method capable of utilizing ambient light
US5621833A (en) * 1995-06-12 1997-04-15 Lau; Ronnie C. Superposition of two-dimensional arrays
US7108414B2 (en) 1995-06-27 2006-09-19 Solid State Opto Limited Light emitting panel assemblies
US5631994A (en) * 1995-08-23 1997-05-20 Minnesota Mining And Manufacturing Company Structured surface light extraction overlay and illumination system
US7907319B2 (en) 1995-11-06 2011-03-15 Qualcomm Mems Technologies, Inc. Method and device for modulating light with optical compensation
US6104454A (en) * 1995-11-22 2000-08-15 Hitachi, Ltd Liquid crystal display
US5905826A (en) * 1996-01-24 1999-05-18 Minnesota Mining And Manufacturing Co. Conspicuity marking system including light guide and retroreflective structure
US6072551A (en) * 1996-02-14 2000-06-06 Physical Optics Corporation Backlight apparatus for illuminating a display with controlled light output characteristics
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US5677972A (en) * 1996-02-21 1997-10-14 Tir Technologies, Inc. High efficiency direct coupling of radiant electromagnetic energy into dielectric wave guide structure
JP2855101B2 (ja) * 1996-03-19 1999-02-10 中強光電股▲ひん▼有限公司 液晶表示パネルのバックライト・システム
US5640483A (en) * 1996-03-19 1997-06-17 Ctx Opto-Electronics Corp. Backlighting system utilizing total internal reflection
US5926601A (en) * 1996-05-02 1999-07-20 Briteview Technologies, Inc. Stacked backlighting system using microprisms
JP3644787B2 (ja) * 1996-05-09 2005-05-11 松下電器産業株式会社 面状照明系
US5914760A (en) * 1996-06-21 1999-06-22 Casio Computer Co., Ltd. Surface light source device and liquid crystal display device using the same
US6005343A (en) * 1996-08-30 1999-12-21 Rakhimov; Alexander Tursunovich High intensity lamp
US5870156A (en) * 1996-09-05 1999-02-09 Northern Telecom Limited Shadow mask for backlit LCD
US5854872A (en) * 1996-10-08 1998-12-29 Clio Technologies, Inc. Divergent angle rotator system and method for collimating light beams
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
CA2280085C (en) * 1997-01-13 2006-06-06 Minnesota Mining And Manufacturing Company Luminaire device
EP0863422B1 (en) * 1997-03-04 2006-10-04 Matsushita Electric Industrial Co., Ltd. Linear beam irradiator
US6123431A (en) * 1997-03-19 2000-09-26 Sanyo Electric Co., Ltd Backlight apparatus and light guide plate
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
EP0867747A3 (en) * 1997-03-25 1999-03-03 Sony Corporation Reflective display device
US6879354B1 (en) 1997-03-28 2005-04-12 Sharp Kabushiki Kaisha Front-illuminating device and a reflection-type liquid crystal display using such a device
JP3573938B2 (ja) * 1997-03-28 2004-10-06 シャープ株式会社 前方照明装置およびこれを備えた反射型液晶表示装置
US6992733B1 (en) * 1997-04-11 2006-01-31 Micron Technology, Inc. Backlighting system for an LCD
AU9248098A (en) * 1997-09-19 1999-04-12 Decoma International Inc. Optics for separation of high and low intensity light
US6151089A (en) * 1998-01-20 2000-11-21 Sony Corporation Reflection type display with light waveguide with inclined and planar surface sections
US6497939B1 (en) * 1998-02-03 2002-12-24 Nippon Zeon Co., Ltd. Flat plate and light guide plate
JPH11259007A (ja) * 1998-03-10 1999-09-24 Sony Corp 反射型表示装置
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
KR100703140B1 (ko) 1998-04-08 2007-04-05 이리다임 디스플레이 코포레이션 간섭 변조기 및 그 제조 방법
US8928967B2 (en) 1998-04-08 2015-01-06 Qualcomm Mems Technologies, Inc. Method and device for modulating light
JP3119241B2 (ja) 1998-07-01 2000-12-18 日本電気株式会社 液晶表示装置
US6428198B1 (en) 1998-07-07 2002-08-06 Alliedsignal Inc. Display system having a light source separate from a display device
US6234656B1 (en) 1998-08-20 2001-05-22 Physical Optics Corporation Fiber optic luminaire
JP2000214460A (ja) * 1999-01-25 2000-08-04 Sharp Corp バックライト装置
JP2000214792A (ja) * 1999-01-26 2000-08-04 Ohtsu Tire & Rubber Co Ltd :The バックライトユニット、バックライト及びそれに用いるスペ―スシ―ト
DE19961390A1 (de) * 1999-12-20 2001-06-21 Mannesmann Vdo Ag Lichtleiter
US6347874B1 (en) 2000-02-16 2002-02-19 3M Innovative Properties Company Wedge light extractor with risers
US7097913B2 (en) * 2000-05-24 2006-08-29 Kabushiki Kaisha Kawai Gakki Seisakusho Decorative article having translucent wood veneer
US6639349B1 (en) * 2000-06-16 2003-10-28 Rockwell Collins, Inc. Dual-mode LCD backlight
JP4519277B2 (ja) * 2000-06-23 2010-08-04 東芝モバイルディスプレイ株式会社 液晶表示装置
JP3932407B2 (ja) * 2000-07-03 2007-06-20 ミネベア株式会社 面状照明装置
WO2002005022A1 (fr) * 2000-07-11 2002-01-17 Mitsubishi Chemical Corporation Dispositif a source de lumiere en surface
JP4023079B2 (ja) * 2000-08-31 2007-12-19 株式会社日立製作所 面状照明装置及びこれを備えた表示装置
US8177407B2 (en) 2000-08-31 2012-05-15 Hitachi Displays, Ltd. Plane-like lighting units and display equipment provided therewith
JP2002148615A (ja) 2000-11-08 2002-05-22 Nitto Denko Corp 光学フィルム及び反射型液晶表示装置
US6738051B2 (en) 2001-04-06 2004-05-18 3M Innovative Properties Company Frontlit illuminated touch panel
US6592234B2 (en) 2001-04-06 2003-07-15 3M Innovative Properties Company Frontlit display
KR100765138B1 (ko) * 2001-04-09 2007-10-15 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
FR2826707B1 (fr) * 2001-06-28 2004-02-06 Brandt Cooking Dispositif d'eclairage reparti, notamment pour l'eclairage d'une cavite
US6576887B2 (en) 2001-08-15 2003-06-10 3M Innovative Properties Company Light guide for use with backlit display
KR100789138B1 (ko) * 2001-09-05 2007-12-27 삼성전자주식회사 조명장치 및 이를 적용한 반사형 액정표시장치
US6966684B2 (en) * 2001-09-13 2005-11-22 Gelcore, Llc Optical wave guide
EP1444502A4 (en) * 2001-10-11 2007-05-09 Sentelligence Inc SPECTRAL LINEAR AND LOW PRICE SPECTRAL SENSORS BASED ON COMBINATIONS OF SOURCES AND TRANSISTORIZED LUBRICANT SURVEILLANCE MONITORS AND FUNCTIONAL FLUIDS
ITTV20010156A1 (it) 2001-11-30 2003-05-30 Vetraria Biancadese Sas Soc Apparecchio di illuminazione di ambienti interni di edifici civili
AU2002313597A1 (en) * 2001-12-27 2003-07-15 Samsung Electronics Co. Ltd. Liquid crystal display apparatus
US6796700B2 (en) * 2002-02-02 2004-09-28 Edward Robert Kraft Flat panel luminaire with remote light source and hollow light pipe for back lit signage applications
EP1502136B1 (en) * 2002-04-25 2011-08-17 Koninklijke Philips Electronics N.V. Compact lighting system and display device
JP2006505830A (ja) * 2002-11-07 2006-02-16 ソニー インターナショナル （ヨーロッパ） ゲゼルシャフト ミット ベシュレンクテル ハフツング プロジェクタシステムのための照明装置
US7063449B2 (en) * 2002-11-21 2006-06-20 Element Labs, Inc. Light emitting diode (LED) picture element
JP3767544B2 (ja) * 2002-11-25 2006-04-19 セイコーエプソン株式会社 光学装置、照明装置及びプロジェクタ
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
US7417782B2 (en) 2005-02-23 2008-08-26 Pixtronix, Incorporated Methods and apparatus for spatial light modulation
TW595723U (en) * 2003-03-06 2004-06-21 Taiwan Nano Electro Opt Tech Adjusting device for brightness and darkness area of point source
US7099553B1 (en) * 2003-04-08 2006-08-29 Poa Sona, Inc. Apparatus and method for generating a lamina of light
US7459713B2 (en) * 2003-08-14 2008-12-02 Microptix Technologies, Llc Integrated sensing system approach for handheld spectral measurements having a disposable sample handling apparatus
US7443462B2 (en) * 2003-09-23 2008-10-28 Yao-Der Huang Light guide plate structure with inlaid block-shaped light scattering elements protruding out bottom and back light module
TW200515063A (en) * 2003-10-31 2005-05-01 Hon Hai Prec Ind Co Ltd Back light source device and the light guide plate
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
JP4262113B2 (ja) * 2004-02-13 2009-05-13 シチズン電子株式会社 バックライト
US7706050B2 (en) 2004-03-05 2010-04-27 Qualcomm Mems Technologies, Inc. Integrated modulator illumination
FR2868551B1 (fr) * 2004-04-02 2006-08-04 Essilor Int Conduit optique destine a la realisation d'un agencement d'affichage electronique
KR20050107033A (ko) * 2004-05-07 2005-11-11 삼성전자주식회사 발광 다이오드 모듈 및 이를 구비한 액정표시장치
US7813026B2 (en) 2004-09-27 2010-10-12 Qualcomm Mems Technologies, Inc. System and method of reducing color shift in a display
US7750886B2 (en) 2004-09-27 2010-07-06 Qualcomm Mems Technologies, Inc. Methods and devices for lighting displays
US7502159B2 (en) 2005-02-23 2009-03-10 Pixtronix, Inc. Methods and apparatus for actuating displays
US8310442B2 (en) 2005-02-23 2012-11-13 Pixtronix, Inc. Circuits for controlling display apparatus
US8482496B2 (en) 2006-01-06 2013-07-09 Pixtronix, Inc. Circuits for controlling MEMS display apparatus on a transparent substrate
US8159428B2 (en) 2005-02-23 2012-04-17 Pixtronix, Inc. Display methods and apparatus
US7675665B2 (en) 2005-02-23 2010-03-09 Pixtronix, Incorporated Methods and apparatus for actuating displays
US8519945B2 (en) 2006-01-06 2013-08-27 Pixtronix, Inc. Circuits for controlling display apparatus
US7755582B2 (en) 2005-02-23 2010-07-13 Pixtronix, Incorporated Display methods and apparatus
US9158106B2 (en) 2005-02-23 2015-10-13 Pixtronix, Inc. Display methods and apparatus
US7304785B2 (en) 2005-02-23 2007-12-04 Pixtronix, Inc. Display methods and apparatus
US7304786B2 (en) 2005-02-23 2007-12-04 Pixtronix, Inc. Methods and apparatus for bi-stable actuation of displays
US7271945B2 (en) 2005-02-23 2007-09-18 Pixtronix, Inc. Methods and apparatus for actuating displays
US9087486B2 (en) 2005-02-23 2015-07-21 Pixtronix, Inc. Circuits for controlling display apparatus
US9261694B2 (en) 2005-02-23 2016-02-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US7616368B2 (en) 2005-02-23 2009-11-10 Pixtronix, Inc. Light concentrating reflective display methods and apparatus
US9229222B2 (en) 2005-02-23 2016-01-05 Pixtronix, Inc. Alignment methods in fluid-filled MEMS displays
US7999994B2 (en) 2005-02-23 2011-08-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US7746529B2 (en) 2005-02-23 2010-06-29 Pixtronix, Inc. MEMS display apparatus
US7405852B2 (en) 2005-02-23 2008-07-29 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US20070205969A1 (en) 2005-02-23 2007-09-06 Pixtronix, Incorporated Direct-view MEMS display devices and methods for generating images thereon
US7742016B2 (en) 2005-02-23 2010-06-22 Pixtronix, Incorporated Display methods and apparatus
US9082353B2 (en) 2010-01-05 2015-07-14 Pixtronix, Inc. Circuits for controlling display apparatus
CN1869738A (zh) * 2005-05-24 2006-11-29 鸿富锦精密工业（深圳）有限公司 导光元件和其制备方法，以及其背光模组
TW200641416A (en) * 2005-05-31 2006-12-01 Bright View Electronics Co Ltd A lighting device providing longitudinal illumination
WO2007002476A2 (en) * 2005-06-28 2007-01-04 Lamina Ceramics, Inc. Backlight module display with optical coupler and lightguide
US7719021B2 (en) * 2005-06-28 2010-05-18 Lighting Science Group Corporation Light efficient LED assembly including a shaped reflective cavity and method for making same
KR20070033137A (ko) * 2005-09-21 2007-03-26 삼성전자주식회사 광학판, 이의 제조 방법 및 이를 갖는 표시 장치
FR2891891B1 (fr) * 2005-10-11 2013-08-30 Valeo Vision Dispositif d'eclairage ou de signalisation a guide optique pour vehicule automobile
US7916980B2 (en) 2006-01-13 2011-03-29 Qualcomm Mems Technologies, Inc. Interconnect structure for MEMS device
US7551814B1 (en) 2006-02-21 2009-06-23 National Semiconductor Corporation Optical detection of user interaction based on external light source
US8526096B2 (en) 2006-02-23 2013-09-03 Pixtronix, Inc. Mechanical light modulators with stressed beams
US7317182B2 (en) * 2006-05-24 2008-01-08 3M Innovative Properties Company Backlight wedge with encapsulated light source
US7660509B2 (en) * 2006-05-24 2010-02-09 3M Innovative Properties Company Backlight asymmetric light input wedge
US7607814B2 (en) 2006-05-24 2009-10-27 3M Innovative Properties Company Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces
US7740387B2 (en) * 2006-05-24 2010-06-22 3M Innovative Properties Company Backlight wedge with side mounted light source
WO2007143432A2 (en) * 2006-05-25 2007-12-13 I2Ic Corporation Multi-colored illuminator for displays
US7876489B2 (en) 2006-06-05 2011-01-25 Pixtronix, Inc. Display apparatus with optical cavities
US7661840B1 (en) 2006-06-21 2010-02-16 Ilight Technologies, Inc. Lighting device with illuminated front panel
US7766498B2 (en) 2006-06-21 2010-08-03 Qualcomm Mems Technologies, Inc. Linear solid state illuminator
US7845841B2 (en) 2006-08-28 2010-12-07 Qualcomm Mems Technologies, Inc. Angle sweeping holographic illuminator
US8107155B2 (en) 2006-10-06 2012-01-31 Qualcomm Mems Technologies, Inc. System and method for reducing visual artifacts in displays
US7855827B2 (en) 2006-10-06 2010-12-21 Qualcomm Mems Technologies, Inc. Internal optical isolation structure for integrated front or back lighting
KR20150014978A (ko) 2006-10-06 2015-02-09 퀄컴 엠이엠에스 테크놀로지스, 인크. 디스플레이 장치 및 디스플레이의 형성 방법
US20080094853A1 (en) 2006-10-20 2008-04-24 Pixtronix, Inc. Light guides and backlight systems incorporating light redirectors at varying densities
US7864395B2 (en) 2006-10-27 2011-01-04 Qualcomm Mems Technologies, Inc. Light guide including optical scattering elements and a method of manufacture
US7690811B2 (en) * 2006-11-17 2010-04-06 General Electric Company System for improved backlight illumination uniformity
JP5554063B2 (ja) * 2007-01-19 2014-07-23 コーニンクレッカ フィリップス エヌ ヴェ 照明デバイス
US9176318B2 (en) 2007-05-18 2015-11-03 Pixtronix, Inc. Methods for manufacturing fluid-filled MEMS displays
RU2464597C2 (ru) * 2007-01-19 2012-10-20 Конинклейке Филипс Электроникс Н.В. Осветительное устройство
US7852546B2 (en) 2007-10-19 2010-12-14 Pixtronix, Inc. Spacers for maintaining display apparatus alignment
US7777954B2 (en) 2007-01-30 2010-08-17 Qualcomm Mems Technologies, Inc. Systems and methods of providing a light guiding layer
US7733439B2 (en) 2007-04-30 2010-06-08 Qualcomm Mems Technologies, Inc. Dual film light guide for illuminating displays
US9337373B2 (en) 2007-05-01 2016-05-10 Morgan Solar Inc. Light-guide solar module, method of fabrication thereof, and panel made therefrom
US7873257B2 (en) * 2007-05-01 2011-01-18 Morgan Solar Inc. Light-guide solar panel and method of fabrication thereof
US9040808B2 (en) * 2007-05-01 2015-05-26 Morgan Solar Inc. Light-guide solar panel and method of fabrication thereof
WO2008135072A1 (de) * 2007-05-04 2008-11-13 Noctron Soparfi S.A. Beleuchtungsvorrichtung sowie flüssigkristall-bildschirm mit einer solchen beleuchtungsvorrichtung
CA2688214A1 (en) * 2007-05-11 2008-11-20 Rpo Pty Limited A transmissive body
US8585273B2 (en) * 2007-07-31 2013-11-19 Rambus Delaware Llc Illumination assembly including wavelength converting material
US20090034230A1 (en) * 2007-07-31 2009-02-05 Luminus Devices, Inc. Illumination assembly including wavelength converting material having spatially varying density
TWI349795B (en) * 2007-08-06 2011-10-01 Coretronic Corp Light guide plate and backlight module using the same
US8412010B2 (en) 2007-09-10 2013-04-02 Banyan Energy, Inc. Compact optics for concentration and illumination systems
AU2008299119B2 (en) * 2007-09-10 2012-06-14 Banyan Energy, Inc Compact optics for concentration, aggregation and illumination of light energy
US7672549B2 (en) * 2007-09-10 2010-03-02 Banyan Energy, Inc. Solar energy concentrator
JP5225015B2 (ja) * 2007-10-19 2013-07-03 富士フイルム株式会社 導光板
JP2009116109A (ja) * 2007-11-07 2009-05-28 Sumitomo Chemical Co Ltd 液晶表示装置
JP2009122470A (ja) * 2007-11-16 2009-06-04 Sumitomo Chemical Co Ltd 集光層付き光拡散板
WO2009102731A2 (en) 2008-02-12 2009-08-20 Qualcomm Mems Technologies, Inc. Devices and methods for enhancing brightness of displays using angle conversion layers
US8654061B2 (en) 2008-02-12 2014-02-18 Qualcomm Mems Technologies, Inc. Integrated front light solution
US8248560B2 (en) 2008-04-18 2012-08-21 Pixtronix, Inc. Light guides and backlight systems incorporating prismatic structures and light redirectors
US8049951B2 (en) 2008-04-15 2011-11-01 Qualcomm Mems Technologies, Inc. Light with bi-directional propagation
TWI359961B (en) * 2008-04-16 2012-03-11 Univ Nat Taiwan Science Tech Light-concentrating panel
JP5451754B2 (ja) 2008-05-28 2014-03-26 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド ターニング微細構造を有する光導波路パネル及びその製造方法、並びにディスプレイ装置
WO2010022539A1 (zh) * 2008-08-26 2010-03-04 Pan Dingguo 等截面三角形定向棱镜圆形反光板及由其制成的圆板灯
KR101307500B1 (ko) * 2008-08-26 2013-09-11 딩구오 판 반사판, 평판형 램프 및 그를 포함하는 평판형 조명용구
US20100108124A1 (en) * 2008-10-02 2010-05-06 Raydyne Energy, Inc. Solar energy concentrator
US8169679B2 (en) 2008-10-27 2012-05-01 Pixtronix, Inc. MEMS anchors
EP2209028A1 (en) * 2009-01-14 2010-07-21 Ushio Denki Kabushiki Kaisha Linear light source unit and image reader
US8172417B2 (en) 2009-03-06 2012-05-08 Qualcomm Mems Technologies, Inc. Shaped frontlight reflector for use with display
TWM368091U (en) * 2009-03-06 2009-11-01 Chunghwa Picture Tubes Ltd Lightweight light guide plate and its backlight module
US8474991B2 (en) * 2009-04-24 2013-07-02 Sergio Alejandro Ortiz-Gavin Photographic lighting apparatus and systems
JP5449539B2 (ja) 2009-05-29 2014-03-19 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド 照明デバイスおよび照明デバイスの製造方法
US20110090489A1 (en) * 2009-10-21 2011-04-21 Robert Bishop Method and Apparatus for Detecting Small Reflectivity Variations in Electronic Parts at High Speed
WO2011097252A2 (en) 2010-02-02 2011-08-11 Pixtronix, Inc. Methods for manufacturing cold seal fluid-filled display apparatus
US8651725B2 (en) * 2010-09-30 2014-02-18 Global Lighting Technology Inc. Backlight module
WO2012058304A2 (en) 2010-10-28 2012-05-03 Banyan Energy, Inc. Redirecting optics for concentration and illumination systems
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
US8885995B2 (en) 2011-02-07 2014-11-11 Morgan Solar Inc. Light-guide solar energy concentrator
CN102087562B (zh) * 2011-02-28 2013-06-05 鸿富锦精密工业（深圳）有限公司 用于红外触摸屏的光路结构
US8534899B2 (en) * 2011-04-12 2013-09-17 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight module and its light guide plate module
US8384999B1 (en) 2012-01-09 2013-02-26 Cerr Limited Optical modules
US8328403B1 (en) 2012-03-21 2012-12-11 Morgan Solar Inc. Light guide illumination devices
US20130279194A1 (en) * 2012-04-22 2013-10-24 Liteideas, Llc Light emitting systems and related methods
US9188731B2 (en) 2012-05-18 2015-11-17 Reald Inc. Directional backlight
US20150219308A1 (en) * 2012-08-23 2015-08-06 Koninklijke Philips N.V. Lighting device with a LED and an improved reflective collimator
US9134552B2 (en) 2013-03-13 2015-09-15 Pixtronix, Inc. Display apparatus with narrow gap electrostatic actuators
DK2999553T3 (da) * 2013-05-22 2023-05-30 Koninklijke Philips Nv Fremgangsmåde og system til at forhindre begroning af overflader
WO2015057588A1 (en) * 2013-10-14 2015-04-23 Reald Inc. Light input for directional backlight
JP6478290B2 (ja) 2014-03-06 2019-03-06 オルタナ エレクトロニク ヤジリム ティーエーエーエイチ． エスエーエヌ． ブイイー ティーアイシー． エー．エス．Ｏｒｔａｎａ Ｅｌｅｋｔｒｏｎｉｋ Ｙａｚｉｌｉｍ Ｔａａｈ． Ｓａｎ． Ｖｅ Ｔｉｃ． Ａ．Ｓ． ライト
US9835792B2 (en) 2014-10-08 2017-12-05 Reald Spark, Llc Directional backlight
WO2016077641A1 (en) * 2014-11-12 2016-05-19 Invuity, Inc. Improved thermally controlled illumination devices
KR20170087886A (ko) * 2014-11-24 2017-07-31 톰슨 라이센싱 발광 구조체 및 발광 구조체를 갖는 디바이스
CN104570194A (zh) * 2014-12-31 2015-04-29 深圳市华星光电技术有限公司 一种导光板及显示模组
RU2596062C1 (ru) 2015-03-20 2016-08-27 Автономная Некоммерческая Образовательная Организация Высшего Профессионального Образования "Сколковский Институт Науки И Технологий" Способ коррекции изображения глаз с использованием машинного обучения и способ машинного обучения
US10359560B2 (en) 2015-04-13 2019-07-23 Reald Spark, Llc Wide angle imaging directional backlights
US10007115B2 (en) 2015-08-12 2018-06-26 Daqri, Llc Placement of a computer generated display with focal plane at finite distance using optical devices and a see-through head-mounted display incorporating the same
US10321123B2 (en) 2016-01-05 2019-06-11 Reald Spark, Llc Gaze correction of multi-view images
EP3458897A4 (en) 2016-05-19 2019-11-06 RealD Spark, LLC DIRECTIONALLY WIDE IMAGING IMAGING BACKLIGHTS
WO2017205183A1 (en) 2016-05-23 2017-11-30 Reald Spark, Llc Wide angle imaging directional backlights
US10649209B2 (en) 2016-07-08 2020-05-12 Daqri Llc Optical combiner apparatus
TWI612251B (zh) 2017-01-03 2018-01-21 聯嘉光電股份有限公司 發光裝置
US10401638B2 (en) 2017-01-04 2019-09-03 Reald Spark, Llc Optical stack for imaging directional backlights
US10481678B2 (en) 2017-01-11 2019-11-19 Daqri Llc Interface-based modeling and design of three dimensional spaces using two dimensional representations
WO2018187154A1 (en) 2017-04-03 2018-10-11 Reald Spark, Llc Segmented imaging directional backlights
EP3665553B1 (en) 2017-08-08 2023-12-13 RealD Spark, LLC Adjusting a digital representation of a head region
WO2019090246A1 (en) 2017-11-06 2019-05-09 Reald Spark, Llc Privacy display apparatus
KR20200120650A (ko) 2018-01-25 2020-10-21 리얼디 스파크, 엘엘씨 프라이버시 디스플레이를 위한 터치스크린
US10488666B2 (en) 2018-02-10 2019-11-26 Daqri, Llc Optical waveguide devices, methods and systems incorporating same
JP7063068B2 (ja) * 2018-03-30 2022-05-09 豊田合成株式会社 照明装置
RU184527U1 (ru) * 2018-05-08 2018-10-30 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Осветительное устройство
US10739513B2 (en) 2018-08-31 2020-08-11 RAB Lighting Inc. Apparatuses and methods for efficiently directing light toward and away from a mounting surface
US10801679B2 (en) 2018-10-08 2020-10-13 RAB Lighting Inc. Apparatuses and methods for assembling luminaires
WO2020123561A1 (en) 2018-12-10 2020-06-18 Daqri, Llc Adaptive viewports for hypervocal viewport (hvp) displays
US11125993B2 (en) 2018-12-10 2021-09-21 Facebook Technologies, Llc Optical hyperfocal reflective systems and methods, and augmented reality and/or virtual reality displays incorporating same
JP2022516730A (ja) 2019-01-09 2022-03-02 フェイスブック・テクノロジーズ・リミテッド・ライアビリティ・カンパニー Ａｒ、ｈｍｄ、およびｈｕｄ用途向けの光導波路における不均一な副瞳リフレクタおよび方法
JP7414621B2 (ja) * 2020-04-03 2024-01-16 株式会社ジャパンディスプレイ 発光装置及び照明装置
WO2022060673A1 (en) 2020-09-16 2022-03-24 Reald Spark, Llc Vehicle external illumination device
US11863730B2 (en) 2021-12-07 2024-01-02 Snap Inc. Optical waveguide combiner systems and methods
WO2024030274A1 (en) 2022-08-02 2024-02-08 Reald Spark, Llc Pupil tracking near-eye display

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2827573C2 (de) * 1978-06-23 1983-02-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Großflächige Lichtquelle
US4257084A (en) * 1979-02-21 1981-03-17 Reynolds Christopher H Display device
DE3066371D1 (en) * 1979-11-27 1984-03-08 Combined Optical Ind Ltd Laminar light guide and an instrument display means comprising such a light guide
DE3033141C2 (de) * 1980-09-03 1983-02-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Lichtleiter in einem Anzeigetableau
DE3123369A1 (de) * 1981-06-12 1983-02-03 Vdo Schindling Lichtleiter
US4528617A (en) * 1982-02-08 1985-07-09 Sheltered Workshop For The Disabled, Inc. Light distribution apparatus
JPH0797444B2 (ja) * 1983-05-13 1995-10-18 セイコーエプソン株式会社 平面光源
JPS6134583A (ja) * 1984-07-26 1986-02-18 シャープ株式会社 照明装置
FR2576441A1 (fr) * 1985-01-22 1986-07-25 Blanchet Pierre Dispositif d'affichage lumineux
DE3605000A1 (de) * 1985-02-22 1986-09-04 Sharp Kk Beleuchtungsvorrichtung
JPS6273206A (ja) * 1985-09-27 1987-04-03 Hitachi Ltd 導光板
US4799137A (en) * 1987-03-24 1989-01-17 Minnesota Mining And Manufacturing Company Reflective film
JPS63271301A (ja) * 1987-04-30 1988-11-09 Alps Electric Co Ltd 光シヤツタアレイ用光源
JPS63287803A (ja) * 1987-05-20 1988-11-24 Sumitomo Electric Ind Ltd 光照射装置
DE3825436A1 (de) * 1987-09-11 1989-03-23 Inotec Gmbh Ges Fuer Innovativ Beleuchtete anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger
US4883333A (en) * 1987-10-13 1989-11-28 Yanez Serge J Integrated, solid, optical device
JPH0272388A (ja) * 1988-09-07 1990-03-12 Hitachi Ltd 照明装置

Also Published As

Publication number Publication date
EP0478102B1 (en) 1996-11-13
US5050946A (en) 1991-09-24
KR920006895A (ko) 1992-04-28
MX173611B (es) 1994-03-17
CA2035301A1 (en) 1992-03-28
BR9104149A (pt) 1992-06-02
DE69123117D1 (de) 1996-12-19
AU8165691A (en) 1992-04-02
EP0478102A2 (en) 1992-04-01
EP0478102A3 (en) 1992-09-16
AU646061B2 (en) 1994-02-03
ATE145288T1 (de) 1996-11-15
JPH04234729A (ja) 1992-08-24

Similar Documents

Publication Publication Date Title
IL99091A0 (en) Facetted light pipe
JP4263611B2 (ja) 小型の照明システム及びディスプレイ装置
EP1493050B1 (en) Compact lighting system and display device
US5926601A (en) Stacked backlighting system using microprisms
TW373116B (en) Lighting apparatus
US5202950A (en) Backlighting system with faceted light pipes
US5608837A (en) Transmissive type display and method capable of utilizing ambient light
EP1502136B1 (en) Compact lighting system and display device
CA2239261C (en) Optically enhanced dual liquid crystal display backlight
JPS6134583A (ja) 照明装置
EP0663600A4 (en) DIFFUSED LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY.
WO1995007435A1 (en) Flat panel display lighting system
KR20080031573A (ko) 점광원을 사용한 선광원
ATE340967T1 (de) Lichtquellenelement mit seitlicher schräger lichteinkopplung
JPH0327909B2 (ja)
KR20020071358A (ko) 도광판 혼용 직하형 백라이트
KR0169383B1 (ko) 휘도의 균일성을 높이는 액정 디스플레이용 백라이트 장치
KR20060127609A (ko) 백라이트 장치에 사용되는 프리즘시트
CN100419537C (zh) 照明装置
WO2001009671A3 (en) Liquid crystal display device using an inductively coupled, electrodless lamp
KR200227827Y1 (ko) 백 라이트 유니트의 램프 반사체 구조
JPH06265886A (ja) 照明装置
JPH06230376A (ja) 照明装置
KR20000000930U (ko) 백 라이트 유니트의 휘선 방지 구조
GB2247536A (en) Stepped wedge shaped plate light spreading device

Legal Events

Date Code Title Description
RH Patent void