KR20140147009A - 광학 물성이 우수한 박형 편광자, 그 제조 방법, 이를 포함하는 편광판 및 디스플레이 장치 - Google Patents
광학 물성이 우수한 박형 편광자, 그 제조 방법, 이를 포함하는 편광판 및 디스플레이 장치 Download PDFInfo
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- KR20140147009A KR20140147009A KR1020140067776A KR20140067776A KR20140147009A KR 20140147009 A KR20140147009 A KR 20140147009A KR 1020140067776 A KR1020140067776 A KR 1020140067776A KR 20140067776 A KR20140067776 A KR 20140067776A KR 20140147009 A KR20140147009 A KR 20140147009A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- polyvinyl alcohol
- stretching
- polarizer
- thickness
- 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.)
- Ceased
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
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- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
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- 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
- G02B1/08—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of polarising materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
도 2는 비교예 4의 연신 공정에서 파단이 발생한 필름 적층체를 보여주는 사진이다.
| 구분 | 연신온도 | 단체 투과도 (Ts, %) |
편광도 (DOP, %) |
단체 색상 | 직교 색상 | ||
| a | b | a | b | ||||
| 실시예 1 | 45℃ | 42.10 | 99.6714 | -0.13 | 1.10 | 2.14 | -4.51 |
| 실시예 2 | 50℃ | 42.09 | 99.9226 | -0.27 | 1.73 | 1.41 | -2.65 |
| 실시예 3 | 55℃ | 42.01 | 99.9219 | -0.37 | 1.63 | 1.37 | -2.83 |
| 구분 | 단체 투과도 (Ts, %) |
편광도 (DOP, %) |
단체 색상 | 직교 색상 | ||
| a | b | a | b | |||
| 실시예 4 | 43.02 | 99.6269 | -0.15 | 1.52 | 1.90 | -2.00 |
| 실시예 5 | 43.20 | 99.5939 | -0.25 | 1.69 | 1.26 | -2.70 |
| 실시예 6 | 43.01 | 99.2278 | -0.14 | 1.75 | 1.55 | -1.04 |
| 구분 | 단체투과도(Ts, %) | 편광도(DOP, %) |
| 실시예 7 | 42.37 | 99.7593 |
| 실시예 8 | 42.35 | 99.9086 |
| 실시예 9 | 41.60 | 99.8564 |
| 구분 | 단체 투과도 (Ts, %) |
편광도 (DOP, %) |
단체 색상 | 직교 색상 | ||
| a | b | a | b | |||
| 비교예 1 | 43.29 | 93.0947 | 1.35 | 0.62 | 5.93 | -1.90 |
| 비교예 2 | 42.56 | 98.7137 | 0.25 | 1.12 | 2.97 | -2.68 |
| 비교예 4 | 41.91 | 98.5201 | -0.39 | 1.58 | 1.32 | -2.91 |
| 비교예 5 | 42.32 | 98.4843 | -0.06 | 0.84 | 2.14 | -4.02 |
| 위치 | 편광도(%) | |
| 실시예 2 | 비교예 1 | |
| 1 | 99.9238 | 93.1204 |
| 2 | 99.9206 | 93.0546 |
| 3 | 99.9211 | 93.0746 |
| 4 | 99.9228 | 93.1045 |
| 5 | 99.9244 | 93.1605 |
| 6 | 99.9241 | 93.1732 |
| 7 | 99.9227 | 93.0846 |
| 8 | 99.9219 | 93.0582 |
| 9 | 99.9207 | 93.0284 |
| 10 | 99.9235 | 92.0875 |
| 평균 | 99.9226 | 93.0947 |
| 표준편차 | 0.0014 | 0.0461 |
A: 폴리비닐알코올계 필름
B: 고분자 필름
MD: 종연신 방향
Claims (16)
- 열가소성 폴리우레탄 필름의 적어도 일면에 인력 또는 접착제를 이용하여 미연신 폴리비닐알코올계 필름을 부착하여 필름 적층체를 형성하는 단계;
상기 필름 적층체를 45℃ 내지 55℃의 온도에서 연신하는 단계; 및
상기 열가소성 폴리우레탄 필름과 폴리비닐알코올계 필름을 분리하는 단계를 포함하는 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계는 50℃ 내지 55℃의 온도에서 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계는 5배 내지 15배의 연신 배율로 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 미연신 폴리비닐알코올계 필름은 두께가 10㎛ 내지 60㎛인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계는 붕산 농도가 1 내지 5%인 붕산 수용액에서 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계는 붕산 농도가 1 내지 3%인 붕산 수용액에서 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계는 폴리비닐알코올계 필름의 두께가 10㎛ 이하가 되도록 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계는 폴리비닐알코올계 필름의 폭 수축율이 30% ~ 80%이 되도록 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계 이후에 연신된 폴리비닐알코올계 필름과 연신된 고분자 필름 사이의 부착력이 2N/2cm 이하인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 열가소성 폴리우레탄 필름과 폴리비닐알코올계 필름을 분리하는 단계는 2N/2cm 이하의 박리력을 가하여 수행되는 것인 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계 전에 상기 필름 적층체에 요오드 및 이색성 염료 중 적어도 하나를 염착시키는 단계를 더 포함하는 박형 편광자의 제조 방법.
- 제1항에 있어서,
상기 연신하는 단계 이후에 연신된 필름 적층체를 건조하는 단계를 더 포함하는 박형 편광자의 제조 방법.
- 두께가 10㎛ 이하이고,
단체 투과도가 40% 내지 43%이며,
편광도가 99.0% 이상이고,
편광자의 폭 방향을 따라 등간격으로 위치하는 10개의 점에서 측정된 편광도의 표준편차가 0.002% 이하인 박형 편광자.
- 제13항에 있어서,
상기 편광도가 99.5% 이상인 박형 편광자.
- 청구항 13의 박형 편광자를 포함하는 편광판.
- 청구항 15의 편광판을 포함하는 디스플레이 장치.
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| JP2016518280A JP6302053B2 (ja) | 2013-06-18 | 2014-06-12 | 光学物性に優れた薄型偏光子、その製造方法、これを含む偏光板及びディスプレイ装置 |
| CN201480000908.0A CN104395790B (zh) | 2013-06-18 | 2014-06-12 | 具有优异的光学性能的薄膜偏光片、其制造方法和包括所述薄膜偏光片的偏光板和显示装置 |
| PCT/KR2014/005184 WO2014204132A1 (ko) | 2013-06-18 | 2014-06-12 | 광학 물성이 우수한 박형 편광자, 그 제조 방법, 이를 포함하는 편광판 및 디스플레이 장치 |
| US14/386,296 US9684104B2 (en) | 2013-06-18 | 2014-06-12 | Thin film polarizer having superior optical properties, manufacturing method thereof, and polarizing plate and display device including the same |
| TW103120960A TWI591390B (zh) | 2013-06-18 | 2014-06-18 | 具有優異光學性質之薄偏光件、其製造方法、包含其之偏光板及顯示裝置 |
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| KR1020150056421A Active KR101761997B1 (ko) | 2013-06-18 | 2015-04-22 | 광학 물성이 우수한 박형 편광자, 그 제조 방법, 이를 포함하는 편광판 및 디스플레이 장치 |
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| KR101460477B1 (ko) * | 2013-06-18 | 2014-11-10 | 주식회사 엘지화학 | 연신 적층체, 박형 편광자의 제조 방법, 이를 이용하여 제조되는 박형 편광자 및 이를 포함하는 편광판 |
| JP6105794B1 (ja) * | 2015-11-27 | 2017-03-29 | 住友化学株式会社 | 偏光子の製造方法 |
| JP6105795B1 (ja) * | 2015-11-27 | 2017-03-29 | 住友化学株式会社 | 偏光子の製造方法 |
| JP2019194655A (ja) * | 2017-09-13 | 2019-11-07 | 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 |
| JP6513271B1 (ja) * | 2017-09-13 | 2019-05-15 | 日東電工株式会社 | 偏光膜、偏光板、偏光板ロール、および偏光膜の製造方法 |
| JP6513270B1 (ja) * | 2017-09-13 | 2019-05-15 | 日東電工株式会社 | 偏光膜、偏光板、偏光板ロール、および偏光膜の製造方法 |
| JP6513269B1 (ja) * | 2017-09-13 | 2019-05-15 | 日東電工株式会社 | 偏光膜、偏光板、偏光板ロール、および偏光膜の製造方法 |
| JP2019194659A (ja) * | 2017-09-13 | 2019-11-07 | 日東電工株式会社 | 偏光板および偏光板ロール |
| JP7096700B2 (ja) * | 2017-09-13 | 2022-07-06 | 日東電工株式会社 | 偏光膜、偏光板、偏光板ロール、および偏光膜の製造方法 |
| JP2019197204A (ja) * | 2019-02-12 | 2019-11-14 | 日東電工株式会社 | 偏光板および偏光板ロール |
| JP2019197206A (ja) * | 2019-02-12 | 2019-11-14 | 日東電工株式会社 | 偏光板および偏光板ロール |
| JP2019197205A (ja) * | 2019-02-12 | 2019-11-14 | 日東電工株式会社 | 偏光板および偏光板ロール |
| CN114829996B (zh) | 2019-12-23 | 2024-10-01 | 3M创新有限公司 | 光学叠堆和显示器 |
| WO2022113958A1 (ja) * | 2020-11-26 | 2022-06-02 | 株式会社クラレ | 偏光フィルムの製造方法及び偏光フィルム |
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| JPS5169644A (ko) * | 1974-12-13 | 1976-06-16 | Sakurai Kogaku Kogyosho Kk | |
| JPH10153709A (ja) | 1996-11-22 | 1998-06-09 | Tokai Rubber Ind Ltd | 偏光フィルムの製造方法 |
| JPH11258424A (ja) | 1998-03-12 | 1999-09-24 | Nitto Denko Corp | フィルム偏光板の保護構造 |
| JPH11326639A (ja) | 1998-05-19 | 1999-11-26 | Nitto Denko Corp | 反射型偏光板 |
| JP4279944B2 (ja) | 1999-06-01 | 2009-06-17 | 株式会社サンリッツ | 偏光板の製造方法 |
| JP2004070290A (ja) * | 2002-06-10 | 2004-03-04 | Toray Ind Inc | 偏光板 |
| US7038746B2 (en) * | 2003-03-31 | 2006-05-02 | Sumitomo Chemical Company, Limited | Laminated polarizing film |
| JP2006201736A (ja) | 2004-08-03 | 2006-08-03 | Jsr Corp | 偏光板およびその製造方法 |
| JP4714740B2 (ja) * | 2005-04-26 | 2011-06-29 | 帝人株式会社 | 偏光板 |
| JP4856989B2 (ja) | 2005-08-17 | 2012-01-18 | 富士フイルム株式会社 | 光学樹脂フィルム、これを用いた偏光板および液晶表示装置 |
| JP2009098653A (ja) | 2007-09-27 | 2009-05-07 | Nitto Denko Corp | 偏光板、光学フィルムおよび画像表示装置 |
| JP5056312B2 (ja) * | 2007-09-28 | 2012-10-24 | ソニー株式会社 | 延伸シートの製造方法および異方性光学シートの製造方法 |
| JP5061309B2 (ja) * | 2008-07-22 | 2012-10-31 | フジコピアン株式会社 | 光硬化型接着剤組成物を用いた偏光板 |
| US8776144B2 (en) | 2008-10-16 | 2014-07-08 | Industrial Technology Research Institute | Mobile TV system and method for synchronizing the rendering of streaming services thereof |
| JP5335401B2 (ja) | 2008-12-19 | 2013-11-06 | 富士フイルム株式会社 | 偏光フィルム及び偏光フィルムの製造方法、偏光板及び偏光板の製造方法、並びに乗り物用映り込み防止フィルム |
| WO2010100917A1 (ja) * | 2009-03-05 | 2010-09-10 | 日東電工株式会社 | 薄型高機能偏光膜およびその製造方法 |
| JP5451235B2 (ja) * | 2009-07-31 | 2014-03-26 | 富士フイルム株式会社 | 複屈折パターンを有する物品の製造方法及び複屈折パターン作製材料 |
| JP5885955B2 (ja) * | 2011-08-01 | 2016-03-16 | 住友化学株式会社 | 偏光板の製造方法 |
| JP5584259B2 (ja) | 2012-08-03 | 2014-09-03 | 住友化学株式会社 | 両面積層フィルム、両面偏光性積層フィルム、両面貼合フィルムおよび片面貼合フィルム |
| KR101498822B1 (ko) * | 2012-11-16 | 2015-03-05 | 주식회사 엘지화학 | 박형 편광자의 제조 방법, 이를 이용하여 제조된 박형 편광자 및 편광판 |
| KR101498823B1 (ko) | 2012-11-16 | 2015-03-05 | 주식회사 엘지화학 | 박형 편광자의 제조 방법, 이를 이용하여 제조된 박형 편광자 및 편광판 |
| KR101584440B1 (ko) * | 2013-06-18 | 2016-01-11 | 주식회사 엘지화학 | 박형 편광자, 그의 제조 방법, 이를 포함하는 편광판 및 디스플레이 장치 |
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2015
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| US20160103260A1 (en) | 2016-04-14 |
| KR20150052821A (ko) | 2015-05-14 |
| TW201506466A (zh) | 2015-02-16 |
| KR101761997B1 (ko) | 2017-07-28 |
| JP6302053B2 (ja) | 2018-03-28 |
| JP2016527535A (ja) | 2016-09-08 |
| TWI591390B (zh) | 2017-07-11 |
| US9684104B2 (en) | 2017-06-20 |
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