KR20230129451A - 편광막의 제조 방법 - Google Patents

편광막의 제조 방법 Download PDF

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Publication number
KR20230129451A
KR20230129451A KR1020237024444A KR20237024444A KR20230129451A KR 20230129451 A KR20230129451 A KR 20230129451A KR 1020237024444 A KR1020237024444 A KR 1020237024444A KR 20237024444 A KR20237024444 A KR 20237024444A KR 20230129451 A KR20230129451 A KR 20230129451A
Authority
KR
South Korea
Prior art keywords
based resin
pva
stretching
weight
film
Prior art date
Application number
KR1020237024444A
Other languages
English (en)
Korean (ko)
Inventor
나오키 후지모토
타다시 코지마
슈사쿠 고토
Original Assignee
닛토덴코 가부시키가이샤
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 닛토덴코 가부시키가이샤 filed Critical 닛토덴코 가부시키가이샤
Publication of KR20230129451A publication Critical patent/KR20230129451A/ko

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details
    • H10K59/8793Arrangements for polarized light emission
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Polarising Elements (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
KR1020237024444A 2021-01-22 2021-12-23 편광막의 제조 방법 KR20230129451A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-008758 2021-01-22
JP2021008758A JP2022112801A (ja) 2021-01-22 2021-01-22 偏光膜の製造方法
PCT/JP2021/047761 WO2022158235A1 (ja) 2021-01-22 2021-12-23 偏光膜の製造方法

Publications (1)

Publication Number Publication Date
KR20230129451A true KR20230129451A (ko) 2023-09-08

Family

ID=82548255

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237024444A KR20230129451A (ko) 2021-01-22 2021-12-23 편광막의 제조 방법

Country Status (5)

Country Link
JP (1) JP2022112801A (ja)
KR (1) KR20230129451A (ja)
CN (1) CN116710819A (ja)
TW (1) TW202239571A (ja)
WO (1) WO2022158235A1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002311239A (ja) 2001-04-16 2002-10-23 Nitto Denko Corp 1/4波長板、円偏光板及び表示装置
JP2002372622A (ja) 2001-06-14 2002-12-26 Nitto Denko Corp 複合位相差板、円偏光板及び液晶表示装置、有機el表示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6728581B2 (ja) * 2014-06-25 2020-07-22 住友化学株式会社 光吸収異方性膜、3次元光吸収異方性膜及びその製造方法
WO2017130585A1 (ja) * 2016-01-28 2017-08-03 コニカミノルタ株式会社 偏光板、偏光板の製造方法及び液晶表示装置
JP7312038B2 (ja) * 2019-06-25 2023-07-20 日東電工株式会社 偏光板の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002311239A (ja) 2001-04-16 2002-10-23 Nitto Denko Corp 1/4波長板、円偏光板及び表示装置
JP2002372622A (ja) 2001-06-14 2002-12-26 Nitto Denko Corp 複合位相差板、円偏光板及び液晶表示装置、有機el表示装置

Also Published As

Publication number Publication date
TW202239571A (zh) 2022-10-16
WO2022158235A1 (ja) 2022-07-28
CN116710819A (zh) 2023-09-05
JP2022112801A (ja) 2022-08-03

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