JPWO2022004712A1 - - Google Patents

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Publication number
JPWO2022004712A1
JPWO2022004712A1 JP2022534034A JP2022534034A JPWO2022004712A1 JP WO2022004712 A1 JPWO2022004712 A1 JP WO2022004712A1 JP 2022534034 A JP2022534034 A JP 2022534034A JP 2022534034 A JP2022534034 A JP 2022534034A JP WO2022004712 A1 JPWO2022004712 A1 JP WO2022004712A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022534034A
Other versions
JP7477609B2 (ja
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 filed Critical
Publication of JPWO2022004712A1 publication Critical patent/JPWO2022004712A1/ja
Application granted granted Critical
Publication of JP7477609B2 publication Critical patent/JP7477609B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133632—Birefringent elements, e.g. for optical compensation with refractive index ellipsoid inclined relative to the LC-layer surface
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
JP2022534034A 2020-06-30 2021-06-29 位相差板、液晶プロジェクタ及びコントラスト調整方法 Active JP7477609B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020113612 2020-06-30
JP2020113612 2020-06-30
PCT/JP2021/024535 WO2022004712A1 (ja) 2020-06-30 2021-06-29 位相差板、液晶プロジェクタ及びコントラスト調整方法

Publications (2)

Publication Number Publication Date
JPWO2022004712A1 true JPWO2022004712A1 (ja) 2022-01-06
JP7477609B2 JP7477609B2 (ja) 2024-05-01

Family

ID=79316282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022534034A Active JP7477609B2 (ja) 2020-06-30 2021-06-29 位相差板、液晶プロジェクタ及びコントラスト調整方法

Country Status (4)

Country Link
US (1) US11899315B2 (ja)
JP (1) JP7477609B2 (ja)
CN (1) CN115997145A (ja)
WO (1) WO2022004712A1 (ja)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1081955A (ja) 1996-07-11 1998-03-31 Toyota Central Res & Dev Lab Inc 斜め蒸着膜素子およびこれを用いた光学装置
US5932354A (en) 1996-07-11 1999-08-03 Kabushiki Kaisha Toyota Chuo Kenkyusho Obliquely deposited film element
JP2006119444A (ja) * 2004-10-22 2006-05-11 Fuji Photo Film Co Ltd 位相差補償素子およびそれを用いた液晶装置
TWI427374B (zh) 2006-12-27 2014-02-21 Fujifilm Corp 遲延度補償元件、垂直配向向列型液晶顯示裝置、及液晶投影機
JP2009075459A (ja) * 2007-09-21 2009-04-09 Fujifilm Corp 二軸性複屈折体の製造方法、二軸性複屈折体及び液晶プロジェクタ
JP5552727B2 (ja) 2007-11-20 2014-07-16 セイコーエプソン株式会社 液晶装置、プロジェクタ、液晶装置の光学補償方法及び位相差板
US8212947B2 (en) 2007-11-20 2012-07-03 Seiko Epson Corporation Liquid crystal device, projector, and optical compensation method of liquid crystal device
JP5625416B2 (ja) 2010-03-19 2014-11-19 セイコーエプソン株式会社 液晶装置及び投射型表示装置
JP2013113869A (ja) 2011-11-25 2013-06-10 Seiko Epson Corp 液晶装置、電子機器、及び位相差補償板
WO2016114347A1 (ja) * 2015-01-16 2016-07-21 Dic株式会社 重合性組成物及びそれを用いた光学異方体
KR101934448B1 (ko) * 2017-10-17 2019-01-02 에스케이씨 주식회사 편광판용 보호필름 및 이를 포함하는 액정표시장치
JPWO2019193838A1 (ja) 2018-04-02 2021-04-15 ソニー株式会社 液晶表示装置、表示方法
WO2021013780A1 (en) * 2019-07-24 2021-01-28 Rolic Technologies AG Photo-alignable positive c-plate retarder

Also Published As

Publication number Publication date
WO2022004712A1 (ja) 2022-01-06
CN115997145A (zh) 2023-04-21
US11899315B2 (en) 2024-02-13
US20230185134A1 (en) 2023-06-15
JP7477609B2 (ja) 2024-05-01

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