TWI789514B - 偏光板、偏光板捲材、及偏光膜之製造方法 - Google Patents

偏光板、偏光板捲材、及偏光膜之製造方法 Download PDF

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Publication number
TWI789514B
TWI789514B TW108113066A TW108113066A TWI789514B TW I789514 B TWI789514 B TW I789514B TW 108113066 A TW108113066 A TW 108113066A TW 108113066 A TW108113066 A TW 108113066A TW I789514 B TWI789514 B TW I789514B
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TW
Taiwan
Prior art keywords
polarizing film
stretching
pva
based resin
treatment
Prior art date
Application number
TW108113066A
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English (en)
Chinese (zh)
Other versions
TW201945202A (zh
Inventor
後藤周作
Original Assignee
日商日東電工股份有限公司
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Publication date
Application filed by 日商日東電工股份有限公司 filed Critical 日商日東電工股份有限公司
Publication of TW201945202A publication Critical patent/TW201945202A/zh
Application granted granted Critical
Publication of TWI789514B publication Critical patent/TWI789514B/zh

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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)
TW108113066A 2018-04-25 2019-04-15 偏光板、偏光板捲材、及偏光膜之製造方法 TWI789514B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018083653 2018-04-25
JP2018-083653 2018-04-25
JP2018089243A JP7219017B2 (ja) 2018-04-25 2018-05-07 偏光膜の製造方法
JP2018-089243 2018-05-07

Publications (2)

Publication Number Publication Date
TW201945202A TW201945202A (zh) 2019-12-01
TWI789514B true TWI789514B (zh) 2023-01-11

Family

ID=68469092

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (4)

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

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
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
TW200417794A (en) * 2003-01-31 2004-09-16 Fuji Photo Film Co Ltd Polarizing plate, production process for polarizing plate, and liquid crystal display device
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
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
TW201232065A (en) * 2010-09-09 2012-08-01 Nitto Denko Corp Method of producing thin polarizing film
TW201722685A (zh) * 2014-03-14 2017-07-01 Nitto Denko Corp 層合體、延伸層合體、延伸層合體之製造方法、使用此等之包括偏光膜之光學膜層合體之製造方法、及偏光膜

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
JP5072747B2 (ja) * 2007-07-25 2012-11-14 日東電工株式会社 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
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TW200417794A (en) * 2003-01-31 2004-09-16 Fuji Photo Film Co Ltd Polarizing plate, production process for polarizing plate, and liquid crystal display device
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
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
TW201232065A (en) * 2010-09-09 2012-08-01 Nitto Denko Corp Method of producing thin polarizing film
TW201722685A (zh) * 2014-03-14 2017-07-01 Nitto Denko Corp 層合體、延伸層合體、延伸層合體之製造方法、使用此等之包括偏光膜之光學膜層合體之製造方法、及偏光膜

Also Published As

Publication number Publication date
KR20210005013A (ko) 2021-01-13
JP2019194657A (ja) 2019-11-07
JP7219017B2 (ja) 2023-02-07
TW201945202A (zh) 2019-12-01
CN112005144A (zh) 2020-11-27

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