公开(公告)号：US20180134854A1

公开(公告)日：2018-05-17

申请号：US15572685

申请日：2016-06-03

Applicant: LG CHEM, LTD.

Inventor： Ji Young KIM ,  Ji Young KIM ,  Hye Min YU ,  Kyun Il RAH ,  Jin Yong PARK ,  Eungki LEE ,  Taek Geun NAM

IPC: C08J3/24 ,  D06P3/58 ,  G02F1/1335 ,  B29D11/00 ,  B32B27/08 ,  B32B27/30

Abstract: The present specification relates to a method for manufacturing a polarizer, the method including: a step of dyeing at least one dye of iodine and dichroic dyes on a polyvinyl alcohol-based film; a first cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a first aqueous solution including a polyvalent carboxylic acid compound and a boron compound; a second cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a second aqueous solution including a polyvalent carboxylic acid compound and a boron compound; and a third cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a third aqueous solution including a polyvalent carboxylic acid compound, in which in the first cross-linking step and the second cross-linking step, stretching is performed along with cross-linking, and a polarizer manufactured by using the same.

公开(公告)号：US20170285236A1

公开(公告)日：2017-10-05

申请号：US15510495

申请日：2015-09-21

Applicant: LG CHEM, LTD.

Inventor： Jae Il RYU ,  Eung Jin JANG ,  Jin Yong PARK ,  Eungki LEE ,  Hyung Koo KANG ,  Taek Geun NAM ,  Deok Woo PARK ,  Young Gon KIM ,  Yeon Soo KIM ,  You Kyeong KIM

IPC: G02B5/30 ,  B32B27/30 ,  C09B67/36 ,  C08J5/18 ,  C09B67/02 ,  B29D11/00 ,  G02B1/14

CPC classification number: G02B5/3025 ,  B29C55/005 ,  B29C55/02 ,  B29D11/00644 ,  B29K2029/04 ,  B32B27/30 ,  B32B2307/42 ,  C08J5/18 ,  C08J2329/04 ,  C09B67/0079 ,  C09B67/0097 ,  G02B1/14 ,  G02B5/3033

Abstract: The present invention relates to a method for manufacturing a polarizer, including: a) immersing and swelling a polyvinyl alcohol-based film in an aqueous solution containing an azo-based dye having an absorption wavelength of 300 nm to 550 nm; b) dyeing the swollen polyvinyl alcohol-based film with an iodine-based dye; and c) stretching the dyed polyvinyl alcohol-based film, and a polarizer manufactured using the method.

公开(公告)号：US20190072699A1

公开(公告)日：2019-03-07

申请号：US16137293

申请日：2018-09-20

Applicant: LG CHEM, LTD.

Inventor： Ji Young KIM ,  Ji Young KIM ,  Hye Min YU ,  Kyun Il RAH ,  Jin Yong PARK ,  Eungki LEE ,  Taek Geun NAM

IPC: G02B5/30 ,  B32B27/00 ,  B32B27/32 ,  B32B27/30 ,  B32B27/26 ,  B32B27/08 ,  B32B7/12

Abstract: The present specification relates to a method for manufacturing a polarizer and a polarizer manufactured by using the same, and more particularly, to a method for manufacturing a polarizer, which includes a cross-linking and elongating step using an aqueous solution including a polyvalent carboxylic acid compound and a boric acid compound, and a polarizer manufactured by using the same.

公开(公告)号：US20160216422A1

公开(公告)日：2016-07-28

申请号：US15006819

申请日：2016-01-26

Applicant: LG CHEM, LTD.

Inventor： Ji Young KIM ,  Ji Young KIM ,  Hye Min YU ,  Kyun II RAH ,  Jin Yong PARK ,  Eungki LEE ,  Taek Geun NAM

IPC: G02B5/30 ,  G02B1/14

CPC classification number: G02B5/3033 ,  B32B7/12 ,  B32B27/00 ,  B32B27/08 ,  B32B27/26 ,  B32B27/306 ,  B32B27/32 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/4026 ,  B32B2307/42 ,  B32B2307/54 ,  B32B2307/732 ,  B32B2307/734 ,  B32B2457/20 ,  B32B2551/00

Abstract: The present specification relates to a method for manufacturing a polarizer and a polarizer manufactured by using the same, and more particularly, to a method for manufacturing a polarizer, which includes a cross-linking and elongating step using an aqueous solution including a polyvalent carboxylic acid compound and a boric acid compound, and a polarizer manufactured by using the same.

Abstract translation: 本说明书涉及用于制造偏振片的方法和使用该偏振片的偏振片，特别涉及一种偏振片的制造方法，该方法包括使用包含多元羧酸的水溶液的交联和伸长步骤 化合物和硼酸化合物，以及通过使用它们制造的偏光镜。