JP7219017B2 - 偏光膜の製造方法 - Google Patents

偏光膜の製造方法 Download PDF

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Publication number
JP7219017B2
JP7219017B2 JP2018089243A JP2018089243A JP7219017B2 JP 7219017 B2 JP7219017 B2 JP 7219017B2 JP 2018089243 A JP2018089243 A JP 2018089243A JP 2018089243 A JP2018089243 A JP 2018089243A JP 7219017 B2 JP7219017 B2 JP 7219017B2
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Japan
Prior art keywords
stretching
pva
treatment
laminate
based resin
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Active
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JP2018089243A
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English (en)
Japanese (ja)
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JP2019194657A (ja
Inventor
周作 後藤
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to CN201980027817.9A priority Critical patent/CN112005144A/zh
Priority to KR1020207030350A priority patent/KR20210005013A/ko
Priority to PCT/JP2019/015244 priority patent/WO2019208181A1/ja
Priority to TW108113066A priority patent/TWI789514B/zh
Publication of JP2019194657A publication Critical patent/JP2019194657A/ja
Application granted granted Critical
Publication of JP7219017B2 publication Critical patent/JP7219017B2/ja
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0277—Apparatus with continuous transport of the material to be cured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/005—Compensating volume or shape change during moulding, in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B29C55/026—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets of preformed plates or sheets coated with a solution, a dispersion or a melt of thermoplastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • 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
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Polarising Elements (AREA)
  • Electroluminescent Light Sources (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP2018089243A 2018-04-25 2018-05-07 偏光膜の製造方法 Active JP7219017B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201980027817.9A CN112005144A (zh) 2018-04-25 2019-04-08 偏振片、偏振片卷、及偏振膜的制造方法
KR1020207030350A KR20210005013A (ko) 2018-04-25 2019-04-08 편광판, 편광판 롤 및 편광막의 제조 방법
PCT/JP2019/015244 WO2019208181A1 (ja) 2018-04-25 2019-04-08 偏光板、偏光板ロール、および偏光膜の製造方法
TW108113066A TWI789514B (zh) 2018-04-25 2019-04-15 偏光板、偏光板捲材、及偏光膜之製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018083653 2018-04-25
JP2018083653 2018-04-25

Publications (2)

Publication Number Publication Date
JP2019194657A JP2019194657A (ja) 2019-11-07
JP7219017B2 true JP7219017B2 (ja) 2023-02-07

Family

ID=68469092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018089243A Active JP7219017B2 (ja) 2018-04-25 2018-05-07 偏光膜の製造方法

Country Status (4)

Country Link
JP (1) JP7219017B2 (zh)
KR (1) KR20210005013A (zh)
CN (1) CN112005144A (zh)
TW (1) TWI789514B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2019235107A1 (ja) * 2018-06-07 2021-04-22 日東電工株式会社 偏光膜および位相差層付き偏光板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004233871A (ja) 2003-01-31 2004-08-19 Fuji Photo Film Co Ltd 偏光板、偏光板の製造方法および液晶表示装置
JP2009048179A (ja) 2007-07-25 2009-03-05 Nitto Denko Corp 偏光子の製造方法、偏光子、偏光板、光学フィルムおよび画像表示装置
JP2011047983A (ja) 2009-08-25 2011-03-10 Fujifilm Corp 光学フィルムの製造方法および該製造方法により製造された光学フィルム
WO2012033153A1 (ja) 2010-09-09 2012-03-15 日東電工株式会社 薄型偏光膜の製造方法
WO2015137514A1 (ja) 2014-03-14 2015-09-17 日東電工株式会社 積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜
WO2019054273A1 (ja) 2017-09-13 2019-03-21 日東電工株式会社 偏光板、偏光板ロール、および偏光膜の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343521A (ja) 2000-05-31 2001-12-14 Sumitomo Chem Co Ltd 偏光板及びその製造方法
JP2003185845A (ja) * 2001-09-19 2003-07-03 Nitto Denko Corp 偏光板およびその製造方法、ならびに前記偏光板を用いた液晶表示装置
JP2005326713A (ja) * 2004-05-17 2005-11-24 Fuji Photo Film Co Ltd 反射防止性偏光板、その製造方法、およびそれを用いた画像表示装置
JP4929480B2 (ja) * 2007-11-19 2012-05-09 日東電工株式会社 偏光膜生成用コーティング液及び偏光膜

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004233871A (ja) 2003-01-31 2004-08-19 Fuji Photo Film Co Ltd 偏光板、偏光板の製造方法および液晶表示装置
JP2009048179A (ja) 2007-07-25 2009-03-05 Nitto Denko Corp 偏光子の製造方法、偏光子、偏光板、光学フィルムおよび画像表示装置
JP2011047983A (ja) 2009-08-25 2011-03-10 Fujifilm Corp 光学フィルムの製造方法および該製造方法により製造された光学フィルム
WO2012033153A1 (ja) 2010-09-09 2012-03-15 日東電工株式会社 薄型偏光膜の製造方法
WO2015137514A1 (ja) 2014-03-14 2015-09-17 日東電工株式会社 積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜
WO2019054273A1 (ja) 2017-09-13 2019-03-21 日東電工株式会社 偏光板、偏光板ロール、および偏光膜の製造方法

Also Published As

Publication number Publication date
JP2019194657A (ja) 2019-11-07
CN112005144A (zh) 2020-11-27
TW201945202A (zh) 2019-12-01
KR20210005013A (ko) 2021-01-13
TWI789514B (zh) 2023-01-11

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