KR102811914B1 - 편광자 및 그 제조방법 - Google Patents
편광자 및 그 제조방법 Download PDFInfo
- Publication number
- KR102811914B1 KR102811914B1 KR1020187010613A KR20187010613A KR102811914B1 KR 102811914 B1 KR102811914 B1 KR 102811914B1 KR 1020187010613 A KR1020187010613 A KR 1020187010613A KR 20187010613 A KR20187010613 A KR 20187010613A KR 102811914 B1 KR102811914 B1 KR 102811914B1
- Authority
- KR
- South Korea
- Prior art keywords
- polarizer
- film
- drying
- forming
- stretching
- 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
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00634—Production of filters
- B29D11/00644—Production of filters polarizing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
- B29D11/00788—Producing optical films
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
Claims (9)
- 편광자 면내의 산술 평균 높이(Sa)가 14.4nm 이상 21.0nm 이하이고,
흡수축 방향의 수축력이 3N/2mm 이하인, 편광자. - 청구항 1에 있어서,
두께가 5 내지 30㎛인, 편광자. - 삭제
- 편광자 형성용 필름의 팽윤, 염색, 연신, 가교 및 건조 단계를 포함하고,
상기 건조 단계는 편광자 형성용 필름을 열 롤에 접촉시켜 건조하는 단계를 포함하며,
상기 편광자 형성용 필름을 열 롤에 접촉시키는 시간은 전체 건조 시간의 50% 이상이고,
상기 건조 단계는 열풍 건조 단계를 더 포함하고,
상기 열 롤의 온도는 열풍의 온도 이상인, 편광자의 제조방법. - 삭제
- 삭제
- 청구항 4에 있어서,
하기 수식 1로 정의되는 건조 neck-in 값은 10 내지 15%인, 편광자의 제조방법:
[수식 1]
건조 neck-in = {(W1-W2)/W1}*100(%).
(식 중, W1은 건조 단계 전의 편광자 형성용 필름의 폭이고, W2는 건조 단계 후의 편광자 형성용 필름의 폭임). - 청구항 1 또는 2에 기재된 편광자 및 상기 편광자의 적어도 한 면에 접합된 편광자 보호 필름을 포함하는 편광판.
- 청구항 8에 기재된 편광판을 포함하는 화상표시장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150155196A KR20170052991A (ko) | 2015-11-05 | 2015-11-05 | 편광자 및 그의 제조방법 |
| KR1020150155196 | 2015-11-05 | ||
| PCT/JP2016/082655 WO2017078092A1 (ja) | 2015-11-05 | 2016-11-02 | 偏光子及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20180066100A KR20180066100A (ko) | 2018-06-18 |
| KR102811914B1 true KR102811914B1 (ko) | 2025-05-26 |
Family
ID=58662181
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150155196A Pending KR20170052991A (ko) | 2015-11-05 | 2015-11-05 | 편광자 및 그의 제조방법 |
| KR1020187010613A Active KR102811914B1 (ko) | 2015-11-05 | 2016-11-02 | 편광자 및 그 제조방법 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150155196A Pending KR20170052991A (ko) | 2015-11-05 | 2015-11-05 | 편광자 및 그의 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6942055B2 (ko) |
| KR (2) | KR20170052991A (ko) |
| CN (1) | CN108351453B (ko) |
| TW (1) | TWI762455B (ko) |
| WO (1) | WO2017078092A1 (ko) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI801395B (zh) * | 2017-09-13 | 2023-05-11 | 日商日東電工股份有限公司 | 偏光膜、偏光板、偏光板捲材及偏光膜之製造方法 |
| TWI762667B (zh) * | 2017-09-13 | 2022-05-01 | 日商日東電工股份有限公司 | 偏光膜、偏光板、偏光板捲材及偏光膜之製造方法 |
| TWI823856B (zh) * | 2017-09-13 | 2023-12-01 | 日商日東電工股份有限公司 | 偏光膜、偏光板、偏光板捲材及偏光膜之製造方法 |
| CN118311705A (zh) * | 2017-09-13 | 2024-07-09 | 日东电工株式会社 | 偏振片、偏振片卷、及偏振膜的制造方法 |
| TWI775885B (zh) * | 2017-09-13 | 2022-09-01 | 日商日東電工股份有限公司 | 偏光板及偏光板捲材 |
| JP2020024352A (ja) * | 2018-07-31 | 2020-02-13 | 住友化学株式会社 | 円偏光板および表示装置 |
| JP7240270B2 (ja) * | 2018-10-15 | 2023-03-15 | 日東電工株式会社 | 位相差層付偏光板およびそれを用いた画像表示装置 |
| JP7355587B2 (ja) * | 2018-10-15 | 2023-10-03 | 日東電工株式会社 | 位相差層付偏光板およびそれを用いた画像表示装置 |
| JP7377024B2 (ja) * | 2019-08-26 | 2023-11-09 | 日東電工株式会社 | 偏光フィルムの乾燥装置並びにその乾燥方法及び製造方法 |
| JP2023038489A (ja) * | 2021-09-07 | 2023-03-17 | 住友化学株式会社 | 偏光フィルム及び偏光板の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012014001A (ja) * | 2010-07-01 | 2012-01-19 | 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 |
| JP2014119501A (ja) * | 2012-12-13 | 2014-06-30 | Nitto Denko Corp | 偏光フィルムの製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI245147B (en) * | 2000-06-19 | 2005-12-11 | Nitto Denko Corp | Polarizing plate and liquid crystal display using the same |
| JP4421886B2 (ja) * | 2003-12-15 | 2010-02-24 | 住友化学株式会社 | ヨウ素系偏光フィルムの製造方法および偏光板の製造方法 |
| CN101792535B (zh) * | 2004-11-02 | 2012-02-22 | 日本合成化学工业株式会社 | 聚乙烯醇膜及其生产方法 |
| WO2006070936A1 (en) * | 2004-12-28 | 2006-07-06 | Fujifilm Corporation | Liquid crystal display device, optical compensatory sheet, and polarizer and liquid crystal display device employing the same |
| JP4764659B2 (ja) * | 2005-04-28 | 2011-09-07 | 日本合成化学工業株式会社 | ポリビニルアルコール系フィルムの製造方法 |
| 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 |
| JP5616318B2 (ja) * | 2011-12-12 | 2014-10-29 | 日東電工株式会社 | 偏光膜の製造方法 |
-
2015
- 2015-11-05 KR KR1020150155196A patent/KR20170052991A/ko active Pending
-
2016
- 2016-11-02 KR KR1020187010613A patent/KR102811914B1/ko active Active
- 2016-11-02 WO PCT/JP2016/082655 patent/WO2017078092A1/ja not_active Ceased
- 2016-11-02 JP JP2017548824A patent/JP6942055B2/ja active Active
- 2016-11-02 CN CN201680062513.2A patent/CN108351453B/zh active Active
- 2016-11-04 TW TW105135899A patent/TWI762455B/zh active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012014001A (ja) * | 2010-07-01 | 2012-01-19 | 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 |
| JP2014119501A (ja) * | 2012-12-13 | 2014-06-30 | Nitto Denko Corp | 偏光フィルムの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170052991A (ko) | 2017-05-15 |
| WO2017078092A1 (ja) | 2017-05-11 |
| TW201723541A (zh) | 2017-07-01 |
| CN108351453A (zh) | 2018-07-31 |
| KR20180066100A (ko) | 2018-06-18 |
| TWI762455B (zh) | 2022-05-01 |
| JP6942055B2 (ja) | 2021-09-29 |
| CN108351453B (zh) | 2022-07-15 |
| JPWO2017078092A1 (ja) | 2018-08-23 |
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