TW200510759A - Compensation films for LCDs - Google Patents

Compensation films for LCDs

Info

Publication number
TW200510759A
TW200510759A TW093113746A TW93113746A TW200510759A TW 200510759 A TW200510759 A TW 200510759A TW 093113746 A TW093113746 A TW 093113746A TW 93113746 A TW93113746 A TW 93113746A TW 200510759 A TW200510759 A TW 200510759A
Authority
TW
Taiwan
Prior art keywords
δnth
lcds
compensation films
throughout
negative
Prior art date
Application number
TW093113746A
Other languages
English (en)
Other versions
TWI380049B (en
Inventor
James F Elman
Tomohiro Ishikawa
Dennis J Massa
Paul D Yacobucci
Catherine A Falkner
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of TW200510759A publication Critical patent/TW200510759A/zh
Application granted granted Critical
Publication of TWI380049B publication Critical patent/TWI380049B/zh

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/19—Hydroxy compounds containing aromatic rings
    • C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C08J2367/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • 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
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/03—Viewing layer characterised by chemical composition
    • 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
    • G02F1/133637—Birefringent elements, e.g. for optical compensation characterised by the wavelength dispersion
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/02—Materials and properties organic material
    • G02F2202/022—Materials and properties organic material polymeric
TW093113746A 2003-05-16 2004-05-14 Compensation films for lcds TWI380049B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/439,541 US6937310B2 (en) 2003-05-16 2003-05-16 Compensation films for LCDs

Publications (2)

Publication Number Publication Date
TW200510759A true TW200510759A (en) 2005-03-16
TWI380049B TWI380049B (en) 2012-12-21

Family

ID=33417831

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093113746A TWI380049B (en) 2003-05-16 2004-05-14 Compensation films for lcds

Country Status (6)

Country Link
US (1) US6937310B2 (zh)
JP (1) JP4562144B2 (zh)
KR (1) KR101096844B1 (zh)
CN (1) CN1791832B (zh)
TW (1) TWI380049B (zh)
WO (1) WO2004104681A1 (zh)

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EP1387210A1 (en) * 2002-08-02 2004-02-04 Eastman Kodak Company Compensator layer and liquid crystal cell with such a layer
US7083835B2 (en) * 2003-07-31 2006-08-01 Eastman Kodak Company Multilayer optical compensator, liquid crystal display, and process
US7479309B2 (en) * 2003-07-31 2009-01-20 Nitto Denko Corporation Multi-layered compensation film using specified Tg material as a birefringent layer
US7211304B2 (en) * 2004-06-03 2007-05-01 Nitto Denko Corporation Multilayer optical compensator, liquid crystal display, and process
US7211316B2 (en) * 2003-10-27 2007-05-01 Nitto Denko Corporation Optical multilayer
US7157736B2 (en) * 2003-12-23 2007-01-02 Eastman Kodak Company Multi-layer compensation film including stretchable barrier layers
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US7288296B2 (en) * 2004-06-03 2007-10-30 Nitto Denko Corporation Multilayer optical compensator, liquid crystal display, and process
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JP4642493B2 (ja) * 2005-01-31 2011-03-02 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
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CN100568067C (zh) * 2005-08-30 2009-12-09 柯尼卡美能达精密光学株式会社 液晶显示装置
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US8349921B2 (en) * 2007-08-24 2013-01-08 Eastman Chemical Company Mixed cellulose ester films having +C plate and −A plate optical properties
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WO2009058396A1 (en) * 2007-11-02 2009-05-07 Akron Polymer Systems Inc. Negative birefringent optical films with flat or reversed birefringence wavelength dispersions for liquid crystal displays
JP5010454B2 (ja) * 2007-12-21 2012-08-29 日東電工株式会社 液晶セルの製造方法
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JP2013045064A (ja) * 2011-08-26 2013-03-04 Sony Corp 表示装置、バリア装置、位相差フィルム、および電子機器
WO2014119577A1 (ja) * 2013-02-01 2014-08-07 三井化学株式会社 表示装置及び積層光学フィルム
US10640577B2 (en) * 2016-04-22 2020-05-05 Eastman Chemical Company Regioselectively substituted cellulose esters and films made therefrom
CN106597730A (zh) * 2016-12-27 2017-04-26 深圳市华星光电技术有限公司 液晶显示面板及液晶显示器
CN115718382A (zh) * 2018-01-25 2023-02-28 瑞尔D斯帕克有限责任公司 用于防窥显示装置的反射式光学堆叠物
KR20200141459A (ko) 2018-03-22 2020-12-18 리얼디 스파크, 엘엘씨 지향성 백라이트용 광학 도파관
US10883053B2 (en) 2018-04-06 2021-01-05 West Virginia University Processes and compositions for carbon foams and materials
WO2020005748A1 (en) 2018-06-29 2020-01-02 Reald Spark, Llc Optical stack for privacy display
US11073735B2 (en) 2018-07-18 2021-07-27 Reald Spark, Llc Optical stack for switchable directional 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
US11858818B2 (en) 2019-10-24 2024-01-02 West Virginia University Processes and compositions for carbon foam materials
US11099448B2 (en) 2019-11-13 2021-08-24 Reald Spark, Llc Off-axis display device
EP4073560A4 (en) 2019-12-10 2024-02-21 Reald Spark Llc REFLECTION CONTROL OF A DISPLAY DEVICE
WO2021222606A1 (en) 2020-04-30 2021-11-04 Reald Spark, Llc Directional display apparatus
CN113687544A (zh) * 2020-05-18 2021-11-23 京东方科技集团股份有限公司 显示面板及其制备方法、显示装置
CN111574812B (zh) * 2020-05-22 2021-07-06 中国科学技术大学 一种基于共聚酯材料的光学补偿膜、其制备方法和应用
WO2022026536A1 (en) 2020-07-29 2022-02-03 Reald Spark, Llc Backlight for switchable directional display
TW202204818A (zh) 2020-07-29 2022-02-01 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
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Also Published As

Publication number Publication date
US6937310B2 (en) 2005-08-30
CN1791832B (zh) 2012-06-13
CN1791832A (zh) 2006-06-21
JP4562144B2 (ja) 2010-10-13
TWI380049B (en) 2012-12-21
WO2004104681A1 (en) 2004-12-02
JP2007501966A (ja) 2007-02-01
KR20060032588A (ko) 2006-04-17
KR101096844B1 (ko) 2011-12-22
US20040227879A1 (en) 2004-11-18

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees