AU2001264073A1 - Screen with asymmetric light diffusing characteristic - Google Patents

Screen with asymmetric light diffusing characteristic

Info

Publication number
AU2001264073A1
AU2001264073A1 AU2001264073A AU6407301A AU2001264073A1 AU 2001264073 A1 AU2001264073 A1 AU 2001264073A1 AU 2001264073 A AU2001264073 A AU 2001264073A AU 6407301 A AU6407301 A AU 6407301A AU 2001264073 A1 AU2001264073 A1 AU 2001264073A1
Authority
AU
Australia
Prior art keywords
screen
light diffusing
asymmetric light
diffusing characteristic
characteristic
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
AU2001264073A
Other languages
English (en)
Inventor
Alison Mary Fairhurst
James Finlayson
Keren Hamilton
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.)
Microsharp Corp Ltd
Original Assignee
Microsharp Corp 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
Priority claimed from GB0014297A external-priority patent/GB0014297D0/en
Priority claimed from GB0019976A external-priority patent/GB0019976D0/en
Application filed by Microsharp Corp Ltd filed Critical Microsharp Corp Ltd
Publication of AU2001264073A1 publication Critical patent/AU2001264073A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • 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
    • G02F1/133553—Reflecting elements
    • 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
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors

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)
  • Optical Elements Other Than Lenses (AREA)
AU2001264073A 2000-06-12 2001-06-12 Screen with asymmetric light diffusing characteristic Abandoned AU2001264073A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0014297 2000-06-12
GB0014297A GB0014297D0 (en) 2000-06-12 2000-06-12 Improvements in or relating to video displays
GB0019976A GB0019976D0 (en) 2000-08-14 2000-08-14 Improvements in or relating to video displays
GB0019976 2000-08-14
PCT/GB2001/002560 WO2001096941A1 (fr) 2000-06-12 2001-06-12 Ecran a caracteristique de diffusion asymetrique de lumiere

Publications (1)

Publication Number Publication Date
AU2001264073A1 true AU2001264073A1 (en) 2001-12-24

Family

ID=26244465

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001264073A Abandoned AU2001264073A1 (en) 2000-06-12 2001-06-12 Screen with asymmetric light diffusing characteristic

Country Status (5)

Country Link
US (1) US20040090573A1 (fr)
EP (1) EP1290490A1 (fr)
KR (1) KR20030026244A (fr)
AU (1) AU2001264073A1 (fr)
WO (1) WO2001096941A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002318311A (ja) * 2001-04-20 2002-10-31 Clariant (Japan) Kk 制御された散乱・透過特性を有する光学フィルム
JP2003202415A (ja) * 2001-12-28 2003-07-18 Clariant Internatl Ltd 制御された散乱・透過特性を有する光学フィルムおよびそれを用いた液晶表示装置
US9245362B2 (en) 2009-02-25 2016-01-26 Mellmo, Inc. Displaying bar charts with a fish-eye distortion effect
US8368699B2 (en) * 2009-02-25 2013-02-05 Mellmo Inc. Displaying bar charts with a fish-eye distortion effect
US20210382385A1 (en) * 2020-06-09 2021-12-09 Deutsch Inc. dba DTA Global - Outdoor Movies Inflatable projection display system with dual screens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH633381A5 (de) * 1978-12-20 1982-11-30 Bbc Brown Boveri & Cie Elektrooptische anzeige mit reflektor.
JPS57135923A (en) * 1981-02-16 1982-08-21 Canon Inc Electro-optic display device
AU629170B2 (en) * 1987-06-01 1992-10-01 Nashua Corporation Display system utilising light transmitting screen and method of manufacturing same
FR2623649B1 (fr) * 1987-11-23 1992-05-15 Asulab Sa Cellule d'affichage a cristal liquide
US5076668A (en) * 1988-01-25 1991-12-31 Taliq Corporation Gain reflector-liquid crystal display
GB9520912D0 (en) * 1995-10-12 1995-12-13 Nashua Corp Improvements in or relating to projection screens and the like
JP2002501624A (ja) * 1997-03-06 2002-01-15 ナシュア コーポレイション 偏光維持拡散シートを用いたディスプレイ
US6424395B1 (en) * 1998-04-08 2002-07-23 Toppan Printing Co., Ltd. Light scattering film and liquid crystal display device

Also Published As

Publication number Publication date
KR20030026244A (ko) 2003-03-31
EP1290490A1 (fr) 2003-03-12
US20040090573A1 (en) 2004-05-13
WO2001096941A1 (fr) 2001-12-20

Similar Documents

Publication Publication Date Title
HK1048516A1 (zh) 光漫射片和使用該光漫射片的背照光組件
AU2002239532A1 (en) Light projector
AU2001286876A1 (en) Photographic light diffuser
AU2001270926A1 (en) Marker lamp with picture frame optics
AU2001227896A1 (en) Humidifier with light
AU2001238715A1 (en) Scanner utilizing light pipe with diffuser
EP1312942A4 (fr) Couches de diffusion de lumiere
AU2002224892A1 (en) Light with a transparent panel
AU2002306630A1 (en) Light transmission techniques
AU2001277729A1 (en) Low fluorescent optical glass
AU2001264073A1 (en) Screen with asymmetric light diffusing characteristic
AU2001263060A1 (en) Electronically variable light attenuator
AU2001281360A1 (en) Improved scintillation crystal with reduced light spreading
AU2002212096A1 (en) An optical screen element
AU2842700A (en) Low light viewer with image simulation
AU2002351398A1 (en) Voice-bearing light
AU2002221890A1 (en) Effect light
AU4630600A (en) Image with enhanced brightness
AUPQ857800A0 (en) The shade
AU2001254922A1 (en) Reflective light diffuser
GB2383750B (en) Sunshade with lamps
AU2316899A (en) Candle with color-adjustable flames
AU2001214374A1 (en) Light fixture
AU2001234212A1 (en) Whistle with flickering lamp
AU2002241078A1 (en) Flat screen with light valves