JP7477609B2 - 位相差板、液晶プロジェクタ及びコントラスト調整方法 - Google Patents

位相差板、液晶プロジェクタ及びコントラスト調整方法 Download PDF

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Publication number
JP7477609B2
JP7477609B2 JP2022534034A JP2022534034A JP7477609B2 JP 7477609 B2 JP7477609 B2 JP 7477609B2 JP 2022534034 A JP2022534034 A JP 2022534034A JP 2022534034 A JP2022534034 A JP 2022534034A JP 7477609 B2 JP7477609 B2 JP 7477609B2
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Japan
Prior art keywords
retardation
axis
film
phase difference
liquid crystal
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JP2022534034A
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English (en)
Japanese (ja)
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JPWO2022004712A1 (https=
Inventor
裕樹 高橋
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Fujifilm Corp
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Fujifilm Corp
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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
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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)
  • Laminated Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (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 JPWO2022004712A1 (https=) 2022-01-06
JP7477609B2 true JP7477609B2 (ja) 2024-05-01

Family

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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 (https=)
JP (1) JP7477609B2 (https=)
CN (1) CN115997145A (https=)
WO (1) WO2022004712A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2008078764A1 (ja) 2006-12-27 2008-07-03 Fujifilm Corporation 位相差補償素子、ｖａｎ液晶表示素子、及び液晶プロジェクタ
JP2009145861A (ja) 2007-11-20 2009-07-02 Seiko Epson Corp 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
JP2011197379A (ja) 2010-03-19 2011-10-06 Seiko Epson Corp 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
WO2019193838A1 (ja) 2018-04-02 2019-10-10 ソニー株式会社 液晶表示装置、表示方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5932354A (en) 1996-07-11 1999-08-03 Kabushiki Kaisha Toyota Chuo Kenkyusho Obliquely deposited film element
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
JP4401511B2 (ja) * 2000-01-31 2010-01-20 日東電工株式会社 複合位相差板、光学補償偏光板及び液晶表示装置
JP2008268466A (ja) * 2007-04-19 2008-11-06 Fujinon Corp 位相差補償素子及びその製造方法
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
US8212947B2 (en) 2007-11-20 2012-07-03 Seiko Epson Corporation Liquid crystal device, projector, and optical compensation method of liquid crystal device
KR20170105012A (ko) * 2015-01-16 2017-09-18 디아이씨 가부시끼가이샤 중합성 조성물 및 그것을 사용한 광학 이방체
KR101934448B1 (ko) * 2017-10-17 2019-01-02 에스케이씨 주식회사 편광판용 보호필름 및 이를 포함하는 액정표시장치
CN118259397A (zh) * 2019-07-24 2024-06-28 罗利克技术有限公司 可光致配向的正c板延迟器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2008078764A1 (ja) 2006-12-27 2008-07-03 Fujifilm Corporation 位相差補償素子、ｖａｎ液晶表示素子、及び液晶プロジェクタ
JP2009145861A (ja) 2007-11-20 2009-07-02 Seiko Epson Corp 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
JP2011197379A (ja) 2010-03-19 2011-10-06 Seiko Epson Corp 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
WO2019193838A1 (ja) 2018-04-02 2019-10-10 ソニー株式会社 液晶表示装置、表示方法

Also Published As

Publication number Publication date
JPWO2022004712A1 (https=) 2022-01-06
US20230185134A1 (en) 2023-06-15
US11899315B2 (en) 2024-02-13
CN115997145A (zh) 2023-04-21
WO2022004712A1 (ja) 2022-01-06

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