JP4990426B2 - 広帯域反射型偏光板 - Google Patents

広帯域反射型偏光板 Download PDF

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Publication number
JP4990426B2
JP4990426B2 JP28050898A JP28050898A JP4990426B2 JP 4990426 B2 JP4990426 B2 JP 4990426B2 JP 28050898 A JP28050898 A JP 28050898A JP 28050898 A JP28050898 A JP 28050898A JP 4990426 B2 JP4990426 B2 JP 4990426B2
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JP
Japan
Prior art keywords
polarizing plate
film
reflective polarizing
polymerizable
substrate
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.)
Expired - Fee Related
Application number
JP28050898A
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English (en)
Japanese (ja)
Other versions
JPH11248943A5 (OSRAM
JPH11248943A (ja
Inventor
マーク・ヴァーラル
キム・スレイニイ
ジョン＝フィリップ・アージェント
デービッド・コーツ
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.)
Merck Patent GmbH
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Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of JPH11248943A publication Critical patent/JPH11248943A/ja
Publication of JPH11248943A5 publication Critical patent/JPH11248943A5/ja
Application granted granted Critical
Publication of JP4990426B2 publication Critical patent/JP4990426B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal 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
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133543—Cholesteric polarisers
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • 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

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Mathematical Physics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP28050898A 1997-09-17 1998-09-17 広帯域反射型偏光板 Expired - Fee Related JP4990426B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE97116151.8 1997-09-17
EP97116151 1997-09-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2009188102A Division JP2010044391A (ja) 1997-09-17 2009-08-14 広帯域反射型偏光板

Publications (3)

Publication Number Publication Date
JPH11248943A JPH11248943A (ja) 1999-09-17
JPH11248943A5 JPH11248943A5 (OSRAM) 2005-11-10
JP4990426B2 true JP4990426B2 (ja) 2012-08-01

Family

ID=8227361

Family Applications (2)

Application Number Title Priority Date Filing Date
JP28050898A Expired - Fee Related JP4990426B2 (ja) 1997-09-17 1998-09-17 広帯域反射型偏光板
JP2009188102A Withdrawn JP2010044391A (ja) 1997-09-17 2009-08-14 広帯域反射型偏光板

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2009188102A Withdrawn JP2010044391A (ja) 1997-09-17 2009-08-14 広帯域反射型偏光板

Country Status (4)

Country Link
US (1) US6099758A (OSRAM)
JP (2) JP4990426B2 (OSRAM)
DE (1) DE19842701A1 (OSRAM)
GB (1) GB2329899B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019009252A1 (ja) 2017-07-04 2019-01-10 富士フイルム株式会社 ハーフミラー
WO2022270222A1 (ja) 2021-06-21 2022-12-29 富士フイルム株式会社 画像投影システム

Families Citing this family (151)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6133980A (en) * 1995-10-30 2000-10-17 Metrologic Instruments, Inc. Liquid crystal film structures with phase-retardation surface regions formed therein and methods of fabricating the same
US6630974B2 (en) * 1991-11-27 2003-10-07 Reveo, Inc. Super-wide-angle cholesteric liquid crystal based reflective broadband polarizing films
US6573961B2 (en) * 1994-06-27 2003-06-03 Reveo, Inc. High-brightness color liquid crystal display panel employing light recycling therein
AU1793897A (en) * 1996-03-19 1997-10-10 Merck Patent Gmbh Liquid crystal display device
TW373100B (en) 1996-07-01 1999-11-01 Merck Patent Gmbh Compensation film and liquid crystal display device containing the same
GB2315760B (en) * 1996-07-25 2001-01-10 Merck Patent Gmbh Thermochromic polymerizable mesogenic composition
TW373123B (en) * 1996-07-26 1999-11-01 Merck Patent Gmbh Combination of optical elements, means to produce substantially linear polarized light, optical retardation film and liquid crystal display device
TW472081B (en) * 1996-09-17 2002-01-11 Merck Patent Gmbh Optical retardation film
GB2338240B (en) * 1998-05-22 2002-08-14 Merck Patent Gmbh Polymerizable composition comprising epoxy compounds
EP1074863B1 (fr) * 1999-08-04 2015-03-04 Asulab S.A. Dispositif optique à réflexion de Bragg et procédés pour sa fabrication
JP2001055573A (ja) * 1999-08-17 2001-02-27 Nippon Mitsubishi Oil Corp 液晶フィルム
JP2001133628A (ja) * 1999-08-26 2001-05-18 Nippon Mitsubishi Oil Corp 偏光回折性フィルムの製造方法
JP4655348B2 (ja) * 2000-01-19 2011-03-23 旭硝子株式会社 アクリル酸誘導体化合物、これを重合した高分子液晶および用途
US6589445B2 (en) 2000-06-27 2003-07-08 Fuji Photo Film Co., Ltd. Light-reaction type optically active compound, light-reaction type chiral agent, liquid crystal composition, liquid crystal color filter, optical film, recording medium, and method of changing twist structure of liquid crystal
DE10046843A1 (de) * 2000-09-20 2002-04-04 Hella Aerospace Gmbh Leseleuchte für einen Fahrzeuginnenraum
JP2002139624A (ja) * 2000-11-06 2002-05-17 Nitto Denko Corp 光学素子、照明装置及び液晶表示装置
JP4907007B2 (ja) * 2001-02-01 2012-03-28 林テレンプ株式会社 複屈折フィルム用光反応性高分子液晶及びこれを用いた複屈折フィルム
JP2004524568A (ja) * 2001-03-13 2004-08-12 メルク　パテント　ゲゼルシャフト　ミット　ベシュレンクテル　ハフトング ねじれａ板および偏光子を含む光学フィルムの組合せ
TW583299B (en) * 2001-04-13 2004-04-11 Fuji Photo Film Co Ltd Liquid crystal composition, color filter and liquid crystal display device
KR100630198B1 (ko) 2001-05-12 2006-09-29 삼성전자주식회사 휴대용 단말기의 거울기능 구현 장치 및 방법
TW555837B (en) * 2001-07-02 2003-10-01 Merck Patent Gmbh Chiral compounds
TWI248524B (en) * 2001-07-17 2006-02-01 Koninkl Philips Electronics Nv Cholesteric color filter
JP3933422B2 (ja) 2001-08-10 2007-06-20 シャープ株式会社 反射膜および反射膜の製造方法
JP3801890B2 (ja) * 2001-09-14 2006-07-26 富士通株式会社 液晶表示装置
JP2003082352A (ja) * 2001-09-17 2003-03-19 Fuji Photo Film Co Ltd 液晶組成物、選択反射膜、及びその製造方法
US20030090012A1 (en) * 2001-09-27 2003-05-15 Allen Richard Charles Methods of making polarization rotators and articles containing the polarization rotators
US6985291B2 (en) * 2001-10-01 2006-01-10 3M Innovative Properties Company Non-inverting transflective assembly
JP2003149439A (ja) * 2001-11-12 2003-05-21 Dainippon Printing Co Ltd 円偏光制御光学素子の製造方法
DE10257711B4 (de) * 2001-12-27 2019-09-26 Merck Patent Gmbh Polymerisierbare monocyclische Verbindungen enthaltende Flüssigkristallmischungen
ATE470166T1 (de) * 2002-02-13 2010-06-15 Merck Patent Gmbh Verfahren zur herstellung von einem anisotropen polymerfilm auf einem substrat mit einer strukturierten oberfläche
ATE521001T1 (de) * 2002-06-27 2011-09-15 Merck Patent Gmbh Verfahren zur schichtherstellung mit polymerisierten flüssigkristallmaterialien
US20040008303A1 (en) * 2002-07-12 2004-01-15 Eastman Kodak Company Nematic liquid crystal compensator with barrier layer and process
JP2005534993A (ja) * 2002-08-07 2005-11-17 富士写真フイルム株式会社 位相差板および円偏光板
GB2395201B (en) * 2002-09-24 2006-10-04 Merck Patent Gmbh Broadband reflective film
US20040075795A1 (en) * 2002-10-17 2004-04-22 Eastman Kodak Company Compensator with photochemically cured barrier layer and process
CN100375910C (zh) * 2003-01-10 2008-03-19 日东电工株式会社 宽带胆甾醇型液晶薄膜、其制造方法、圆偏振片、直线偏振镜、照明装置及液晶显示装置
JP4008358B2 (ja) * 2003-01-10 2007-11-14 日東電工株式会社 広帯域コレステリック液晶フィルムの製造方法
WO2004063780A1 (ja) * 2003-01-10 2004-07-29 Nitto Denko Corporation 広帯域コレステリック液晶フィルムおよびその製造方法、円偏光板、直線偏光子、照明装置および液晶表示装置
US20040201795A1 (en) * 2003-04-09 2004-10-14 Paukshto Michael V. Liquid crystal display with internal polarizer
JP4233379B2 (ja) * 2003-05-02 2009-03-04 日東電工株式会社 コレステリック液晶フィルム、その製造方法および円偏光反射フィルム、二波長域反射型反射フィルム
DE10325610A1 (de) * 2003-06-05 2004-12-30 Consortium für elektrochemische Industrie GmbH Polymerfilm mit helikaler Molekularstruktur
US7160586B2 (en) * 2003-08-29 2007-01-09 3M Innovative Properties Company Cholesteric liquid crystal copolymers and additives
WO2005040307A1 (en) * 2003-10-18 2005-05-06 Merck Patent Gmbh Barrier coating composition containing a liquid crystalline polymer as well as a device containing this barrier coating composition
TWI354002B (en) 2003-12-24 2011-12-11 Sumitomo Chemical Co Epoxy compounds and cured epoxy resin obtained by
JP4931167B2 (ja) * 2004-06-14 2012-05-16 日東電工株式会社 着色反射材、着色反射フィラーおよびこれらを用いた用途
US7525604B2 (en) * 2005-03-15 2009-04-28 Naxellent, Llc Windows with electrically controllable transmission and reflection
JP4652122B2 (ja) * 2005-05-18 2011-03-16 株式会社日立製作所 投射型映像表示装置、それに用いる光学部材及び光学ユニット
US7903194B2 (en) * 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
US20060290843A1 (en) * 2005-06-24 2006-12-28 Epstein Kenneth A Illumination element and system using same
US20060290845A1 (en) * 2005-06-24 2006-12-28 Hebrink Timothy J Polarization sensitive illumination element and system using same
US8023065B2 (en) * 2005-06-24 2011-09-20 3M Innovative Properties Company Optical element for lateral light spreading in edge-lit displays and system using same
KR20080039889A (ko) * 2005-08-10 2008-05-07 니폰 제온 가부시키가이샤 광학 소자, 편광판, 위상차판, 조명 장치 및 액정 표시장치
FR2890396B1 (fr) 2005-09-08 2009-01-23 Centre Nat Rech Scient Procede d'elaboration d'un materiau a cristaux liquides a taux de reflexion accru
FR2890397B1 (fr) * 2005-09-08 2009-02-27 Centre Nat Rech Scient Procede d'elaboration d'un materiau a cristaux liquides a bande de reflexion elargie
US20080129930A1 (en) * 2006-12-01 2008-06-05 Agoura Technologies Reflective polarizer configuration for liquid crystal displays
US7768693B2 (en) * 2007-01-24 2010-08-03 Ravenbrick Llc Thermally switched optical downconverting filter
US7973998B2 (en) * 2007-05-18 2011-07-05 Serious Materials, Inc. Temperature activated optical films
CN101334558B (zh) * 2007-06-29 2011-04-20 群康科技(深圳)有限公司 背光模组及液晶显示器
EP2171520A4 (en) * 2007-07-11 2011-09-07 Ravenbrick Llc REFLECTIVE OPTICAL SHUTTER WITH THERMAL SWITCHING
US20100277660A1 (en) * 2007-08-02 2010-11-04 Little Michael J Wire grid polarizer with combined functionality for liquid crystal displays
WO2009039423A1 (en) 2007-09-19 2009-03-26 Ravenbrick, Llc Low-emissivity window films and coatings incoporating nanoscale wire grids
US8169685B2 (en) 2007-12-20 2012-05-01 Ravenbrick, Llc Thermally switched absorptive window shutter
US8634137B2 (en) 2008-04-23 2014-01-21 Ravenbrick Llc Glare management of reflective and thermoreflective surfaces
WO2009153168A1 (de) * 2008-06-17 2009-12-23 Basf Se Polymerisierbare chirale verbindungen, enthaltend 2,6-naphthyl- und isomannit-einheiten, und deren verwendung als chirale dotierstoffe
US9116302B2 (en) 2008-06-19 2015-08-25 Ravenbrick Llc Optical metapolarizer device
CA2737041C (en) 2008-08-20 2013-10-15 Ravenbrick, Llc Methods for fabricating thermochromic filters
JP2012513608A (ja) 2008-12-22 2012-06-14 スリーエム イノベイティブ プロパティズ カンパニー 空間的に選択的な複屈折性の低減を使用する内部パターン化多層光学フィルム
TWI410712B (zh) * 2009-01-13 2013-10-01 Ind Tech Res Inst 光學膜
US8643795B2 (en) 2009-04-10 2014-02-04 Ravenbrick Llc Thermally switched optical filter incorporating a refractive optical structure
CN102460238A (zh) 2009-04-10 2012-05-16 雷文布里克有限责任公司 结合有宾主型结构的热切换滤光器
US8867132B2 (en) 2009-10-30 2014-10-21 Ravenbrick Llc Thermochromic filters and stopband filters for use with same
TWI414833B (zh) * 2009-12-14 2013-11-11 Ind Tech Res Inst 低色偏光學元件及包含此光學元件之背光模組及液晶顯示器
EP2513249B1 (de) 2009-12-17 2013-10-02 Basf Se Flüssigkristalline mischungen
AU2011235265A1 (en) 2010-03-29 2012-10-25 Ravenbrick Llc Polymer-stabilized thermotropic liquid crystal device
EP2563875B1 (en) 2010-04-28 2015-08-12 Merck Patent GmbH Optical switch element comprising a liquid-crystalline medium
EP2571958B1 (en) 2010-05-19 2015-07-15 Merck Patent GmbH Optical switch element comprising a liquid-crystalline medium
WO2011153214A2 (en) 2010-06-01 2011-12-08 Ravenbrick Llc Multifunctional building component
GB201009488D0 (en) 2010-06-07 2010-07-21 Merck Patent Gmbh Switch element comprising a liquid-crystaline medium
EP2423294A1 (en) 2010-08-24 2012-02-29 Merck Patent GmbH Switch element comprising a liquid-crystalline medium
EP2630217B1 (en) 2010-10-20 2016-10-26 Merck Patent GmbH Switch element comprising a liquid-crystalline medium
TWI443390B (zh) 2010-12-29 2014-07-01 Ind Tech Res Inst 寬波域膽固醇液晶薄膜、其製法、包含其之偏光元件、及包含其之高光效率液晶顯示器
DE102012000065B4 (de) 2011-01-27 2021-10-28 Merck Patent Gmbh Vorrichtung enthaltend ein flüssigkristallines Medium, ihre Verwendung, Verfahren zu ihrer Herstellung und Verfahren zur temperaturabhängigen Steuerung der Lichttransmission mit ihr
JP6076261B2 (ja) * 2011-01-28 2017-02-08 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 光透過を制御するための層配列
WO2013033608A2 (en) 2011-09-01 2013-03-07 Wil Mccarthy Thermotropic optical shutter incorporating coatable polarizers
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JP6262351B2 (ja) * 2014-07-31 2018-01-17 富士フイルム株式会社 フィルム、フィルムの製造方法、輝度向上フィルム、光学シート部材および液晶表示装置
KR101955952B1 (ko) * 2014-09-19 2019-03-08 디아이씨 가부시끼가이샤 중합성 조성물, 및, 그것을 사용한 필름
EP3215892B1 (en) 2014-11-06 2020-03-18 Merck Patent GmbH Light modulation element
JP2018501514A (ja) 2014-12-19 2018-01-18 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 光変調素子
US20180016499A1 (en) 2015-01-23 2018-01-18 Merck Patent Gmbh Light modulation element
US20170357131A1 (en) 2015-01-23 2017-12-14 Merck Patent Gmbh Light modulation element
DE102015005800A1 (de) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
WO2016194961A1 (ja) * 2015-06-04 2016-12-08 国立大学法人大阪大学 反射構造体、機器、及び反射構造体の製造方法
US20180188586A1 (en) 2015-07-02 2018-07-05 Merck Patent Gmbh Process of preparing a light modulation element
JP2018524634A (ja) 2015-07-02 2018-08-30 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 光変調素子を調製する方法
JP6884748B2 (ja) 2015-07-10 2021-06-09 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ ジチオアルキルピロロピロール類および色素としてのその使用
EP3369034B1 (en) 2015-10-26 2023-07-05 RealD Spark, LLC Intelligent privacy system, apparatus, and method thereof
JP2019521372A (ja) 2016-05-17 2019-07-25 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 光変調素子
WO2017200950A1 (en) 2016-05-19 2017-11-23 Reald Spark, Llc Wide angle imaging directional backlights
EP3260913B1 (de) 2016-06-22 2021-09-15 Merck Patent GmbH Optische schaltvorrichtung
US10982150B2 (en) 2016-06-28 2021-04-20 Merck Patent Gmbh Liquid crystalline medium
KR102414126B1 (ko) 2016-07-19 2022-06-29 메르크 파텐트 게엠베하 액정 매질
JP2019534344A (ja) 2016-09-07 2019-11-28 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ ＧｍｂＨ 液晶媒体および光変調素子
GB2575579B (en) 2017-03-21 2022-08-10 Merck Patent Gmbh Light modulation element
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
EP3622342A4 (en) 2017-05-08 2021-02-17 RealD Spark, LLC OPTICAL STACK FOR DIRECTIVE DISPLAY
CN110809732B (zh) 2017-05-08 2025-01-10 瑞尔D斯帕克有限责任公司 用于成像定向背光源的光学叠堆
CN110651020A (zh) 2017-05-24 2020-01-03 默克专利股份有限公司 液晶介质及pnlc光调制元件
TWI878209B (zh) 2017-09-15 2025-04-01 美商瑞爾Ｄ斯帕克有限責任公司 顯示裝置及應用於顯示裝置的視角控制光學元件
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
WO2019101661A1 (en) 2017-11-21 2019-05-31 Merck Patent Gmbh Liquid crystal medium and light modulation element
CA3089477A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Touch screen for privacy display
AU2019211358B2 (en) * 2018-01-25 2024-10-10 Reald Spark, Llc Reflective optical stack for privacy display
WO2019183525A1 (en) 2018-03-22 2019-09-26 Reald Spark, Llc Optical waveguide for directional backlight
EP3802733A1 (en) 2018-06-11 2021-04-14 Merck Patent GmbH Liquid crystalline medium
US12043782B2 (en) 2018-06-20 2024-07-23 Merck Patent Gmbh Liquid crystalline medium
WO2020005748A1 (en) 2018-06-29 2020-01-02 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
WO2020043643A1 (en) 2018-08-28 2020-03-05 Merck Patent Gmbh Liquid crystal mixture and liquid crystal display
WO2020064591A1 (en) 2018-09-25 2020-04-02 Merck Patent Gmbh Azo dye
US11106103B2 (en) 2018-10-03 2021-08-31 Reald Spark, Llc Privacy display apparatus controlled in response to environment of apparatus
US11092852B2 (en) 2018-11-07 2021-08-17 Reald Spark, Llc Directional display apparatus
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 (zh) 2019-07-02 2021-01-16 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
JP7613798B2 (ja) 2019-08-02 2025-01-15 リアルディー スパーク エルエルシー プライバシーディスプレイ用光学スタック
JP7764365B2 (ja) 2019-09-09 2025-11-05 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング 液晶媒体およびｐｎｌｃ光変調素子
EP4038605B1 (en) 2019-10-02 2024-09-25 RealD Spark, LLC Privacy display apparatus
WO2021097040A1 (en) 2019-11-13 2021-05-20 Reald Spark, Llc Display device with uniform off-axis luminance reduction
CN114761844A (zh) 2019-12-10 2022-07-15 瑞尔D斯帕克有限责任公司 显示装置的反射的控制
EP4440248A3 (en) 2019-12-18 2024-10-16 RealD Spark, LLC Control of ambient light for a privacy display
US11237417B2 (en) 2020-04-30 2022-02-01 Reald Spark, Llc Directional display apparatus
WO2021222598A1 (en) 2020-04-30 2021-11-04 Reald Spark, Llc Directional display apparatus
US11442316B2 (en) 2020-04-30 2022-09-13 Reald Spark, Llc Directional display apparatus
EP4189285A4 (en) 2020-07-29 2024-07-24 RealD Spark, LLC BACKLIGHT FOR SWITCHABLE DIRECTIONAL DISPLAY
TWI898003B (zh) 2020-07-29 2025-09-21 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
EP4039776A3 (en) 2020-11-20 2022-08-24 Merck Patent GmbH Polymerisable lc material and polymer film
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
WO2023154217A1 (en) 2022-02-09 2023-08-17 Reald Spark, Llc Observer-tracked privacy display
US11892718B2 (en) 2022-04-07 2024-02-06 Reald Spark, Llc Directional display apparatus
WO2024226506A1 (en) 2023-04-25 2024-10-31 Reald Spark, Llc Switchable privacy display
WO2024251656A1 (en) 2023-06-05 2024-12-12 Merck Patent Gmbh Liquid crystalline medium
US12393066B2 (en) 2023-08-03 2025-08-19 Reald Spark, Llc Privacy displays

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456638A (en) * 1981-04-06 1984-06-26 Polytronix, Inc. Polymer packaging material for liquid crystal cell
US5691789A (en) * 1995-10-30 1997-11-25 Li; Le Single-layer reflective super broadband circular polarizer and method of fabrication therefor
TW289095B (OSRAM) * 1993-01-11 1996-10-21
US5828488A (en) * 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
WO1995033224A1 (en) * 1994-05-31 1995-12-07 Philips Electronics N.V. Display device having a diffusing display panel
US5751388A (en) * 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
AU1793897A (en) * 1996-03-19 1997-10-10 Merck Patent Gmbh Liquid crystal display device
GB2315760B (en) * 1996-07-25 2001-01-10 Merck Patent Gmbh Thermochromic polymerizable mesogenic composition
TW353145B (en) * 1996-08-21 1999-02-21 Koninkl Philips Electronics Nv Method and device for manufacturing a broadband cholesteric polarizer
US5867239A (en) * 1997-10-17 1999-02-02 Minnesota Mining And Manufacturing Company Wide angle optical retarder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019009252A1 (ja) 2017-07-04 2019-01-10 富士フイルム株式会社 ハーフミラー
WO2022270222A1 (ja) 2021-06-21 2022-12-29 富士フイルム株式会社 画像投影システム

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