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1.发明申请LAMINATE, METHOD FOR PREPARING THIN POLARIZER BY USING SAME, THIN POLARIZER, AND POLARIZING PLATE 有权层压板，通过使用相同方法制备薄极化剂的方法，薄偏振片和极化板公开(公告)号：US20160266291A1
公开(公告)日：2016-09-15
申请号：US15031952
申请日：2014-10-21
Applicant: LG Chem, Ltd.
Inventor： Hye Min YU , Sung Hyun NAM , Kyun Il RAH , Jonghyun JUNG
IPC: G02B5/30
CPC classification number: G02B5/305 , B32B7/02 , B32B27/08 , B32B27/306 , B32B27/40 , B32B2551/00 , G02B5/3033
Abstract: The present invention relates to a laminate including an unstretched polymer film; and an unstretched polyvinyl alcohol-based film attached to at least one surface of the polymer film, and a preparing method for a thin polarizer using the laminate.
Abstract translation: 本发明涉及包含未拉伸聚合物膜的层压体; 以及附着在聚合物膜的至少一个表面上的未拉伸的聚乙烯醇系膜，以及使用该层压体的薄偏振片的制备方法。
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Patent Agency Ranking
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
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.
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公开(公告)号：US20170157869A1
公开(公告)日：2017-06-08
申请号：US15039291
申请日：2015-09-25
Applicant: LG CHEM, LTD.
Inventor： Sung Hyun NAM , Jonghyun JUNG , Kyun Il RAH , Hye Min YU
CPC classification number: B29D11/00644 , B29C55/005 , B29C55/02 , B29D11/00894 , B29K2629/04 , B29L2011/0066 , B32B27/36 , G02B5/3033
Abstract: The present invention relates to a method for manufacturing a thin polarizer, the method including: a step of preparing an unstretched polyvinyl alcohol-based film having a thickness of 20 μm or less, in which a strength applied to stretch the film by 6 times is 4 N or more; and a single stretching step of forming a stretched polyvinyl alcohol-based film having a thickness of 10 μm or less by stretching the unstretched polyvinyl alcohol-based film solely, and a thin polarizer manufactured by using the same.
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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
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.
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5.发明申请METHOD FOR MANUFACTURING THIN POLARIZER, THIN POLARIZER MANUFACTURED USING SAME, AND POLARIZING PLATE 审中-公开制造薄偏光片的方法，使用其制造的薄偏光片和偏光板公开(公告)号：US20160231485A1
公开(公告)日：2016-08-11
申请号：US15025037
申请日：2014-09-23
Applicant: LG CHEM, LTD.
Inventor： Jonghyun JUNG , Sung Hyun NAM , Kyun II RAH , Hye Min YU
CPC classification number: G02B5/305 , B29C55/06 , B29C55/146 , G02B5/3033
Abstract: The present invention relates to a method for manufacturing a thin polarizer, the method comprising the steps of: forming an auxiliary support on both ends in the transverse direction (TD) of an unstretched polyvinyl alcohol-based film; and wet-stretching the polyvinyl alcohol-based film, which has the auxiliary support formed thereon, in the machine direction (MD) of the polyvinyl alcohol-based film, in such that the thickness of the polyvinyl alcohol-based film is 10 μm or less.
Abstract translation: 本发明涉及薄偏振片的制造方法，该方法包括以下步骤：在未拉伸的聚乙烯醇类膜的横向（TD）的两端形成辅助支撑体; 在聚乙烯醇类膜的纵向（MD）上湿式拉伸其上形成有辅助载体的聚乙烯醇类膜，使得聚乙烯醇类膜的厚度为10μm或 减。
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6.发明申请公开(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
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。
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