GB0513969D0 - Display device and optical device - Google Patents

Display device and optical device

Info

Publication number
GB0513969D0
GB0513969D0 GB0513969A GB0513969A GB0513969D0 GB 0513969 D0 GB0513969 D0 GB 0513969D0 GB 0513969 A GB0513969 A GB 0513969A GB 0513969 A GB0513969 A GB 0513969A GB 0513969 D0 GB0513969 D0 GB 0513969D0
Authority
GB
United Kingdom
Prior art keywords
display device
optical
optical device
display
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.)
Withdrawn
Application number
GB0513969A
Other versions
GB2428100A (en
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to GB0513969A priority Critical patent/GB2428100A/en
Publication of GB0513969D0 publication Critical patent/GB0513969D0/en
Publication of GB2428100A publication Critical patent/GB2428100A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding 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
    • G02F1/1323—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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
GB0513969A 2005-07-08 2005-07-08 Display device and optical device Withdrawn GB2428100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0513969A GB2428100A (en) 2005-07-08 2005-07-08 Display device and optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0513969A GB2428100A (en) 2005-07-08 2005-07-08 Display device and optical device

Publications (2)

Publication Number Publication Date
GB0513969D0 true GB0513969D0 (en) 2005-08-17
GB2428100A GB2428100A (en) 2007-01-17

Family

ID=34896886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0513969A Withdrawn GB2428100A (en) 2005-07-08 2005-07-08 Display device and optical device

Country Status (1)

Country Link
GB (1) GB2428100A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113985664A (en) * 2021-10-25 2022-01-28 北海惠科光电技术有限公司 Display panel and display device

Families Citing this family (39)

* Cited by examiner, † Cited by third party
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US9044863B2 (en) 2013-02-06 2015-06-02 Steelcase Inc. Polarized enhanced confidentiality in mobile camera applications
US10247982B2 (en) 2015-06-03 2019-04-02 Apple Inc. Electronic device display with switchable film structures
WO2016195786A1 (en) * 2015-06-03 2016-12-08 Apple Inc Electronic device display with switchable film structures
US10475418B2 (en) 2015-10-26 2019-11-12 Reald Spark, Llc Intelligent privacy system, apparatus, and method thereof
CN105589228B (en) * 2016-03-08 2018-03-13 武汉华星光电技术有限公司 A kind of both view angle adjustment device and liquid crystal display
CN109416431B (en) 2016-05-19 2022-02-08 瑞尔D斯帕克有限责任公司 Wide-angle imaging directional backlight
CN105974656B (en) * 2016-07-26 2022-07-29 京东方科技集团股份有限公司 Optical device, display device and driving method thereof
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
CN116841075A (en) 2017-05-08 2023-10-03 瑞尔D斯帕克有限责任公司 Optical stack for directional display
US11221497B2 (en) 2017-06-05 2022-01-11 Steelcase Inc. Multiple-polarization cloaking
CN107102460B (en) * 2017-07-06 2023-02-17 京东方科技集团股份有限公司 Peep-proof device, display and driving method of display
TW201921060A (en) 2017-09-15 2019-06-01 美商瑞爾Ｄ斯帕克有限責任公司 Optical stack for switchable directional display
US10948648B2 (en) 2017-09-29 2021-03-16 Reald Spark, Llc Backlights having stacked waveguide and optical components with different coefficients of friction
US11115647B2 (en) 2017-11-06 2021-09-07 Reald Spark, Llc Privacy display apparatus
CA3089477A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Touch screen for privacy display
US10976578B2 (en) 2018-01-25 2021-04-13 Reald Spark, Llc Reflective optical stack for privacy display
US11106124B2 (en) 2018-02-27 2021-08-31 Steelcase Inc. Multiple-polarization cloaking for projected and writing surface view screens
US10935714B2 (en) 2018-03-22 2021-03-02 Reald Spark, Llc Optical waveguide for directional backlight
EP3814680A4 (en) 2018-06-29 2022-05-04 RealD Spark, LLC Optical stack for privacy display
WO2020018552A1 (en) 2018-07-18 2020-01-23 Reald Spark, Llc Optical stack for switchable directional display
US11106103B2 (en) 2018-10-03 2021-08-31 Reald Spark, Llc Privacy display apparatus controlled in response to environment of apparatus
JP2022504376A (en) 2018-11-07 2022-01-13 リアルディー スパーク エルエルシー Directional display device
US11287677B2 (en) 2019-01-07 2022-03-29 Reald Spark, Llc Optical stack for privacy display
WO2020167680A1 (en) 2019-02-12 2020-08-20 Reald Spark, Llc Diffuser for privacy display
TW202102883A (en) 2019-07-02 2021-01-16 美商瑞爾Ｄ斯帕克有限責任公司 Directional display apparatus
JP2022543020A (en) 2019-08-02 2022-10-07 リアルディー スパーク エルエルシー Optical Stack for Privacy Display
WO2021067638A1 (en) 2019-10-02 2021-04-08 Reald Spark, Llc Privacy display apparatus
EP4058842A4 (en) 2019-11-13 2023-12-20 RealD Spark, LLC Off-axis display device
EP4073560A4 (en) 2019-12-10 2024-02-21 Reald Spark Llc Control of reflections of a display device
WO2021126707A1 (en) 2019-12-18 2021-06-24 Reald Spark, Llc Control of ambient light for a privacy display
EP4143043A4 (en) 2020-04-30 2024-06-05 Reald Spark Llc Directional display apparatus
US11668963B2 (en) 2020-04-30 2023-06-06 Reald Spark, Llc Directional display apparatus
CN115867854A (en) 2020-04-30 2023-03-28 瑞尔D斯帕克有限责任公司 Directional display device
CN113741069B (en) * 2020-05-27 2022-12-27 华为技术有限公司 Visual angle controllable module, visual angle control method and electronic equipment
EP4189285A1 (en) 2020-07-29 2023-06-07 RealD Spark, LLC Backlight for switchable directional display
TW202204818A (en) 2020-07-29 2022-02-01 美商瑞爾Ｄ斯帕克有限責任公司 Pupillated illumination apparatus
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
US11977286B2 (en) 2022-02-09 2024-05-07 Reald Spark, Llc Observer-tracked privacy display
US11892718B2 (en) 2022-04-07 2024-02-06 Reald Spark, Llc Directional display apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398130A (en) * 2003-02-05 2004-08-11 Ocuity Ltd Switchable active lens for display apparatus
GB2403814A (en) * 2003-07-10 2005-01-12 Ocuity Ltd Directional display apparatus with birefringent lens structure
GB2405519A (en) * 2003-08-30 2005-03-02 Sharp Kk A multiple-view directional display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113985664A (en) * 2021-10-25 2022-01-28 北海惠科光电技术有限公司 Display panel and display device
CN113985664B (en) * 2021-10-25 2022-07-12 北海惠科光电技术有限公司 Display panel and display device

Also Published As

Publication number Publication date
GB2428100A (en) 2007-01-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)