JP7261336B1 - 偏光板 - Google Patents

偏光板 Download PDF

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Publication number
JP7261336B1
JP7261336B1 JP2022059366A JP2022059366A JP7261336B1 JP 7261336 B1 JP7261336 B1 JP 7261336B1 JP 2022059366 A JP2022059366 A JP 2022059366A JP 2022059366 A JP2022059366 A JP 2022059366A JP 7261336 B1 JP7261336 B1 JP 7261336B1
Authority
JP
Japan
Prior art keywords
layer
film
polarizing plate
polarizer
protective film
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.)
Active
Application number
JP2022059366A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023150316A (ja
Inventor
恵啓 伊藤
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP2022059366A priority Critical patent/JP7261336B1/ja
Priority to TW112106511A priority patent/TW202340770A/zh
Priority to CN202310279748.9A priority patent/CN116893463A/zh
Priority to KR1020230042833A priority patent/KR20230141649A/ko
Priority to JP2023062050A priority patent/JP2023153110A/ja
Application granted granted Critical
Publication of JP7261336B1 publication Critical patent/JP7261336B1/ja
Publication of JP2023150316A publication Critical patent/JP2023150316A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2313/00—Elements other than metals
    • B32B2313/02—Boron
    • 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
    • C08J2329/00—Characterised 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
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Laminated Bodies (AREA)
JP2022059366A 2022-03-31 2022-03-31 偏光板 Active JP7261336B1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022059366A JP7261336B1 (ja) 2022-03-31 2022-03-31 偏光板
TW112106511A TW202340770A (zh) 2022-03-31 2023-02-22 偏光板
CN202310279748.9A CN116893463A (zh) 2022-03-31 2023-03-21 偏振板
KR1020230042833A KR20230141649A (ko) 2022-03-31 2023-03-31 편광판
JP2023062050A JP2023153110A (ja) 2022-03-31 2023-04-06 偏光板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022059366A JP7261336B1 (ja) 2022-03-31 2022-03-31 偏光板

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023062050A Division JP2023153110A (ja) 2022-03-31 2023-04-06 偏光板

Publications (2)

Publication Number Publication Date
JP7261336B1 true JP7261336B1 (ja) 2023-04-19
JP2023150316A JP2023150316A (ja) 2023-10-16

Family

ID=86006862

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022059366A Active JP7261336B1 (ja) 2022-03-31 2022-03-31 偏光板
JP2023062050A Pending JP2023153110A (ja) 2022-03-31 2023-04-06 偏光板

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023062050A Pending JP2023153110A (ja) 2022-03-31 2023-04-06 偏光板

Country Status (4)

Country Link
JP (2) JP7261336B1 (ko)
KR (1) KR20230141649A (ko)
CN (1) CN116893463A (ko)
TW (1) TW202340770A (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005049779A (ja) 2003-07-31 2005-02-24 Fuji Photo Film Co Ltd 偏光板および液晶表示装置
JP2013216016A (ja) 2012-04-10 2013-10-24 Teijin Ltd 多層フィルム
JP2017106969A (ja) 2015-12-07 2017-06-15 住友化学株式会社 偏光フィルムの製造方法
JP7005803B1 (ja) 2020-10-26 2022-01-24 住友化学株式会社 積層体
JP2022041637A (ja) 2020-09-01 2022-03-11 日東電工株式会社 光学フィルムおよび偏光板

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100644377B1 (ko) * 2004-09-23 2006-11-10 주식회사 덕성 신축성을 가지는 지지필름

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005049779A (ja) 2003-07-31 2005-02-24 Fuji Photo Film Co Ltd 偏光板および液晶表示装置
JP2013216016A (ja) 2012-04-10 2013-10-24 Teijin Ltd 多層フィルム
JP2017106969A (ja) 2015-12-07 2017-06-15 住友化学株式会社 偏光フィルムの製造方法
JP2022041637A (ja) 2020-09-01 2022-03-11 日東電工株式会社 光学フィルムおよび偏光板
JP7005803B1 (ja) 2020-10-26 2022-01-24 住友化学株式会社 積層体

Also Published As

Publication number Publication date
TW202340770A (zh) 2023-10-16
CN116893463A (zh) 2023-10-17
KR20230141649A (ko) 2023-10-10
JP2023153110A (ja) 2023-10-17
JP2023150316A (ja) 2023-10-16

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