AU2002317406A1 - Flat-panel display using tapered waveguide - Google Patents

Flat-panel display using tapered waveguide

Info

Publication number
AU2002317406A1
AU2002317406A1 AU2002317406A AU2002317406A AU2002317406A1 AU 2002317406 A1 AU2002317406 A1 AU 2002317406A1 AU 2002317406 A AU2002317406 A AU 2002317406A AU 2002317406 A AU2002317406 A AU 2002317406A AU 2002317406 A1 AU2002317406 A1 AU 2002317406A1
Authority
AU
Australia
Prior art keywords
flat
panel display
tapered waveguide
waveguide
tapered
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.)
Abandoned
Application number
AU2002317406A
Other languages
English (en)
Inventor
Adrian Robert Leigh Travis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cambridge Flat Projection Displays Ltd
Original Assignee
Cambridge Flat Projection Displays Ltd
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 Cambridge Flat Projection Displays Ltd filed Critical Cambridge Flat Projection Displays Ltd
Publication of AU2002317406A1 publication Critical patent/AU2002317406A1/en
Abandoned legal-status Critical Current

Links

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 
    • G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/025—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction in an optical waveguide structure
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • 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)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Engineering & Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Integrated Circuits (AREA)
AU2002317406A 2001-08-02 2002-08-01 Flat-panel display using tapered waveguide Abandoned AU2002317406A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0118866.3 2001-08-02
GBGB0118866.3A GB0118866D0 (en) 2001-08-02 2001-08-02 Shaped taper flat panel display
PCT/GB2002/003578 WO2003013151A2 (en) 2001-08-02 2002-08-01 Flat-panel display using tapered waveguide

Publications (1)

Publication Number Publication Date
AU2002317406A1 true AU2002317406A1 (en) 2003-02-17

Family

ID=9919683

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002317406A Abandoned AU2002317406A1 (en) 2001-08-02 2002-08-01 Flat-panel display using tapered waveguide

Country Status (10)

Country Link
US (1) US7410286B2 (enExample)
EP (1) EP1417843B1 (enExample)
JP (1) JP4291141B2 (enExample)
KR (1) KR100871521B1 (enExample)
CN (1) CN1330189C (enExample)
AU (1) AU2002317406A1 (enExample)
DE (1) DE60208049T2 (enExample)
GB (1) GB0118866D0 (enExample)
TW (1) TWI222536B (enExample)
WO (1) WO2003013151A2 (enExample)

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TWI222536B (en) 2004-10-21
EP1417843B1 (en) 2005-12-14
DE60208049D1 (de) 2006-01-19
WO2003013151A3 (en) 2003-12-18
CN1330189C (zh) 2007-08-01
EP1417843A2 (en) 2004-05-12
WO2003013151A2 (en) 2003-02-13
DE60208049T2 (de) 2006-08-03
KR100871521B1 (ko) 2008-12-05
US20040196665A1 (en) 2004-10-07
GB0118866D0 (en) 2001-09-26
JP4291141B2 (ja) 2009-07-08
US7410286B2 (en) 2008-08-12
KR20040035697A (ko) 2004-04-29
JP2004537766A (ja) 2004-12-16

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