GB0720086D0 - Improvements in and relating to display privacy filters - Google Patents

Improvements in and relating to display privacy filters

Info

Publication number
GB0720086D0
GB0720086D0 GBGB0720086.8A GB0720086A GB0720086D0 GB 0720086 D0 GB0720086 D0 GB 0720086D0 GB 0720086 A GB0720086 A GB 0720086A GB 0720086 D0 GB0720086 D0 GB 0720086D0
Authority
GB
United Kingdom
Prior art keywords
relating
privacy filters
display privacy
display
filters
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.)
Ceased
Application number
GBGB0720086.8A
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.)
Polymer Optics Ltd
Original Assignee
Polymer Optics 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 Polymer Optics Ltd filed Critical Polymer Optics Ltd
Priority to GBGB0720086.8A priority Critical patent/GB0720086D0/en
Publication of GB0720086D0 publication Critical patent/GB0720086D0/en
Priority to GB0800063A priority patent/GB2453806A/en
Priority to PCT/GB2008/050934 priority patent/WO2009050505A1/en
Ceased 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 
    • G02F1/13—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
    • 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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • 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
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
GBGB0720086.8A 2007-10-15 2007-10-15 Improvements in and relating to display privacy filters Ceased GB0720086D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0720086.8A GB0720086D0 (en) 2007-10-15 2007-10-15 Improvements in and relating to display privacy filters
GB0800063A GB2453806A (en) 2007-10-15 2008-01-03 A display with a privacy mask for selectively restricting wide-angle viewing
PCT/GB2008/050934 WO2009050505A1 (en) 2007-10-15 2008-10-13 Improvements in and relating to display privacy filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0720086.8A GB0720086D0 (en) 2007-10-15 2007-10-15 Improvements in and relating to display privacy filters

Publications (1)

Publication Number Publication Date
GB0720086D0 true GB0720086D0 (en) 2007-11-21

Family

ID=38788172

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0720086.8A Ceased GB0720086D0 (en) 2007-10-15 2007-10-15 Improvements in and relating to display privacy filters
GB0800063A Withdrawn GB2453806A (en) 2007-10-15 2008-01-03 A display with a privacy mask for selectively restricting wide-angle viewing

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0800063A Withdrawn GB2453806A (en) 2007-10-15 2008-01-03 A display with a privacy mask for selectively restricting wide-angle viewing

Country Status (2)

Country Link
GB (2) GB0720086D0 (en)
WO (1) WO2009050505A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101812822B1 (en) 2010-03-25 2017-12-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Composite layer
BR112012024369A2 (en) 2010-03-25 2016-05-24 3M Innovative Properties Co extrusion matrix and method of fabricating a composite layer
WO2014177342A1 (en) 2013-04-30 2014-11-06 Sioptica Gmbh Display screen and method for secure representation of information
JP6336625B2 (en) 2014-02-17 2018-06-06 ジオプティカ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングＳｉｏｐｔｉｃａ Ｇｍｂｈ Switchable lighting device and use thereof
DE102014003298A1 (en) 2014-03-07 2015-09-10 Sioptica Gmbh Method and arrangement for optionally limiting the recognizability of images
DE102015012271B4 (en) 2015-09-21 2019-12-12 Sioptica Gmbh Method and screen for the secure presentation of information
US10867290B2 (en) * 2016-05-24 2020-12-15 Diebold Nixdorf, Incorporated Automated transaction machine with associated beacon
DE102021110645B4 (en) * 2021-04-26 2022-12-22 Sioptica Gmbh Free and restricted view mode screen and use of such screen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9608175D0 (en) * 1996-04-19 1996-06-26 Ncr Int Inc Method of controlling veiwability of a display screen and a device therefor
JP2005134678A (en) * 2003-10-30 2005-05-26 Sharp Corp Liquid crystal structure
JP3831725B2 (en) * 2003-12-25 2006-10-11 三洋電機株式会社 Video display device
JP3999206B2 (en) * 2004-02-05 2007-10-31 シャープ株式会社 Viewing angle control element and video display device using the same
GB2426352A (en) * 2005-05-21 2006-11-22 Sharp Kk A switchable multi-view display
US7675598B2 (en) * 2006-06-27 2010-03-09 Lg Display Co., Ltd. Image display device having wide and narrow viewing angle modes and method of driving the same

Also Published As

Publication number Publication date
WO2009050505A1 (en) 2009-04-23
GB0800063D0 (en) 2008-02-13
GB2453806A (en) 2009-04-22

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)