JP2012030243A5 - - Google Patents

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Publication number
JP2012030243A5
JP2012030243A5 JP2010170611A JP2010170611A JP2012030243A5 JP 2012030243 A5 JP2012030243 A5 JP 2012030243A5 JP 2010170611 A JP2010170611 A JP 2010170611A JP 2010170611 A JP2010170611 A JP 2010170611A JP 2012030243 A5 JP2012030243 A5 JP 2012030243A5
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JP
Japan
Prior art keywords
film
polarizing plate
laser light
forming step
groove
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JP2010170611A
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Japanese (ja)
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JP5481300B2 (en
JP2012030243A (en
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Priority claimed from JP2010170611A external-priority patent/JP5481300B2/en
Priority to JP2010170611A priority Critical patent/JP5481300B2/en
Priority to KR1020137004489A priority patent/KR101706416B1/en
Priority to PCT/JP2011/065369 priority patent/WO2012014639A1/en
Priority to CN201180037027.2A priority patent/CN103052464B/en
Priority to TW100126146A priority patent/TWI485025B/en
Publication of JP2012030243A publication Critical patent/JP2012030243A/en
Publication of JP2012030243A5 publication Critical patent/JP2012030243A5/ja
Publication of JP5481300B2 publication Critical patent/JP5481300B2/en
Application granted granted Critical
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (7)

照射されるレーザ光の発振波長範囲におけるレーザ光の平均吸収率が２％以下である低吸収率フィルムの層と、前記発振波長範囲におけるレーザ光の平均吸収率が２％よりも高い高吸収率フィルムの層とを含む偏光板の切断方法であって、
出力および／または移動速さを調整したレーザ光を照射することによって、上記高吸収率フィルムを切断すると共に、上記低吸収率フィルムに溝を形成する溝形成工程と、
引裂角度および偏光板に与える張力を調整しながら、上記溝に沿って、上記溝形成工程後の上記低吸収率フィルムを引き裂く引裂工程と、
を含むことを特徴とする偏光板の切断方法。 A layer of a low absorptivity film in which the average absorptance of laser light in the oscillation wavelength range of the irradiated laser light is 2% or less, and a high absorptance in which the average absorptance of laser light in the oscillation wavelength range is higher than 2% A method for cutting a polarizing plate comprising a film layer ,
A groove forming step of cutting the high absorptivity film by irradiating a laser beam adjusted in output and / or moving speed, and forming a groove in the low absorptivity film,
While adjusting the tear angle and tension applied to the polarizing plate, tearing the low-absorption film after the groove forming step along the groove,
A method for cutting a polarizing plate, comprising : 上記溝形成工程では、上記低吸収率フィルムの両面に溝を形成することを特徴とする請求項１に記載の方法。 The method according to claim 1, wherein in the groove forming step, grooves are formed on both surfaces of the low absorptivity film. 上記溝形成工程では、レーザ光の出力を２４Ｗ〜７７Ｗの範囲、かつ、移動速さを３００ｍｍ／秒〜１０００ｍｍ／秒の範囲に設定することを特徴とする請求項１または２に記載の方法。   3. The method according to claim 1, wherein in the groove forming step, an output of laser light is set in a range of 24 W to 77 W, and a moving speed is set in a range of 300 mm / second to 1000 mm / second. 上記引裂工程では、偏光板の引裂角度を１０°以上、かつ、張力を０．１Ｎ／ｍｍ以上に設定することを特徴とする請求項１〜３のいずれか１項に記載の方法。   The method according to any one of claims 1 to 3, wherein, in the tearing step, the tear angle of the polarizing plate is set to 10 ° or more and the tension is set to 0.1 N / mm or more. 上記低吸収率フィルムは、シクロオレフィンポリマーフィルム、ポリプロピレンフィルム、またはポリメタクリル酸メチルフィルムであることを特徴とする請求項１〜４のいずれか１項に記載の方法。 The method according to any one of claims 1 to 4, wherein the low absorptivity film is a cycloolefin polymer film, a polypropylene film, or a polymethyl methacrylate film. 上記偏光板は、照射されるレーザ光の発振波長範囲におけるレーザ光の平均吸収率が１％以下であるフィルムの層を含む偏光板であることを特徴とする請求項１〜５のいずれか１項に記載の方法。   6. The polarizing plate according to claim 1, wherein the polarizing plate includes a film layer having an average absorption rate of laser light of 1% or less in an oscillation wavelength range of the irradiated laser light. The method according to item. 請求項１〜６のいずれか１項に記載の方法によって切断された偏光板。   The polarizing plate cut | disconnected by the method of any one of Claims 1-6.
JP2010170611A 2010-07-29 2010-07-29 Polarizing plate cutting method and polarizing plate cut by the method Expired - Fee Related JP5481300B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010170611A JP5481300B2 (en) 2010-07-29 2010-07-29 Polarizing plate cutting method and polarizing plate cut by the method
KR1020137004489A KR101706416B1 (en) 2010-07-29 2011-07-05 Method for cutting polarizing plate and polarizing plate cut by said method
PCT/JP2011/065369 WO2012014639A1 (en) 2010-07-29 2011-07-05 Method for cutting polarizing plate and polarizing plate cut by said method
CN201180037027.2A CN103052464B (en) 2010-07-29 2011-07-05 Method for cutting polarizing plate and polarizing plate cut by said method
TW100126146A TWI485025B (en) 2010-07-29 2011-07-25 Method for cutting polarizing sheet and polarizing sheet cut by the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010170611A JP5481300B2 (en) 2010-07-29 2010-07-29 Polarizing plate cutting method and polarizing plate cut by the method

Publications (3)

Publication Number Publication Date
JP2012030243A JP2012030243A (en) 2012-02-16
JP2012030243A5 true JP2012030243A5 (en) 2014-02-20
JP5481300B2 JP5481300B2 (en) 2014-04-23

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JP2010170611A Expired - Fee Related JP5481300B2 (en) 2010-07-29 2010-07-29 Polarizing plate cutting method and polarizing plate cut by the method

Country Status (5)

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JP (1) JP5481300B2 (en)
KR (1) KR101706416B1 (en)
CN (1) CN103052464B (en)
TW (1) TWI485025B (en)
WO (1) WO2012014639A1 (en)

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WO2014038433A1 (en) * 2012-09-07 2014-03-13 住友化学株式会社 Device for producing optical member pasted body
JP5821155B2 (en) * 2012-12-18 2015-11-24 住友化学株式会社 Optical display device production method and optical display device production system
KR101817388B1 (en) * 2014-09-30 2018-01-10 주식회사 엘지화학 Cutting method for the polarizing plate, polarizing plate cut usuing the same
KR101683649B1 (en) 2015-01-27 2016-12-07 현대자동차주식회사 Personalized displaying system for varying and integrating car contents, method for managing car contents the smae, and computer readable medium for performing the same
TWI583479B (en) * 2015-06-12 2017-05-21 住華科技股份有限公司 Processing method of optical film
KR101858432B1 (en) * 2016-03-23 2018-05-16 동우 화인켐 주식회사 Window substrate and preparing method thereof
KR20180081197A (en) 2017-01-05 2018-07-16 삼성디스플레이 주식회사 Method for manufacturing a polarizer and display device having the polarizer
KR102066471B1 (en) * 2017-03-10 2020-01-15 주식회사 엘지화학 The laser cutting method for polarizing film
KR102416550B1 (en) * 2017-04-28 2022-07-05 삼성디스플레이 주식회사 Polarizing layer, display device with the same, and fabricating method for the display device
JP6792660B2 (en) * 2019-03-04 2020-11-25 住友化学株式会社 Optical laminate and its manufacturing method
KR20220149510A (en) * 2020-03-16 2022-11-08 수미토모 케미칼 컴퍼니 리미티드 Laminated sheet and its manufacturing method
CN116324943A (en) 2020-10-23 2023-06-23 柯尼卡美能达株式会社 Polarizing plate, method for producing same, and method for producing display device

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