公开(公告)号：US09164212B2

公开(公告)日：2015-10-20

申请号：US13904631

申请日：2013-05-29

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Kyun-Il Rah

IPC分类号： G02B5/30 ,  G02B1/10

CPC分类号： G02B5/3083 ,  G02B1/105 ,  G02B1/14 ,  G02B5/305 ,  G02B5/3058 ,  Y10T156/10

摘要： Provided are a high luminance polarizing plate including a polarizing plate, a λ/2 retardation film having an in-plane retardation value ranging from 250 nm to 280 nm in a wavelength range of 450 nm to 650 nm that is laminated on one side of the polarizing plate, and a brightness enhancement film laminated on the λ/2 retardation film, a method of manufacturing the same, and a display device using the high luminance polarizing plate.

摘要翻译： 提供了一种高亮度偏振片，其包括偏振片，λ/ 2相位差片，其在450nm至650nm的波长范围内的面内延迟值范围为250nm至280nm，层叠在 偏振片和层叠在λ/ 2延迟膜上的亮度增强膜，其制造方法和使用高亮度偏振片的显示装置。

公开(公告)号：US09304239B2

公开(公告)日：2016-04-05

申请号：US14342778

申请日：2013-11-14

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Jun-Geun Um ,  Kyun-Il Rah ,  Jong-Hyun Jung ,  Hye-Min Yu ,  Nam-Jeong Lee ,  Sei-Jung Park

IPC分类号： G02B5/30

CPC分类号： G02B5/3033

摘要： The present disclosure relates to a method for preparing a thin polarizer, and a thin polarizer prepared using the same, the method including forming a film laminate by attaching a non-stretched polyvinyl alcohol (PVA) film having a thickness of 10 to 60 μm to at least one surface of a non-stretched base film, using attractive force therebetween; and stretching the film laminate such that the thickness of the PVA film is 10 μm or less.

摘要翻译： 本发明涉及一种薄偏光片的制备方法和使用其制备的薄型偏振片，该方法包括通过将厚度为10至60μm的未拉伸的聚乙烯醇（PVA）膜附着到10至60μm的厚度上而形成薄膜层压 非拉伸基膜的至少一个表面，使用它们之间的吸引力; 拉伸膜层叠体，使PVA膜的厚度为10μm以下。

公开(公告)号：US20150219961A1

公开(公告)日：2015-08-06

申请号：US14232192

申请日：2013-07-23

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Kyun-Il Rah

IPC分类号： G02F1/1335 ,  G02B5/30

CPC分类号： G02B5/3083 ,  G02F1/13363 ,  G02F2001/133541 ,  G02F2001/133637 ,  G02F2001/133638 ,  G02F2413/08

摘要： There is provided a circular polarizing plate for a reflective liquid crystal display, the circular polarizing plate including: a polarizing plate including a polarizer having an absorption axis forming an angle of 85° to 95° with respect to an alignment direction of liquid crystals of a liquid crystal cell, disposed toward an upper substrate, and a ¼ wavelength plate having an optical axis forming an angle of 130° to 140° with respect to the alignment direction of the liquid crystals of the liquid crystal cell, disposed toward the upper substrate, wherein the ¼ wavelength plate has reverse wavelength dispersion characteristics.

摘要翻译： 提供了一种用于反射型液晶显示器的圆偏振片，该圆偏振片包括：偏振片，其包括相对于液晶的液晶的取向方向具有85°至95°角的吸收轴的偏振片 液晶单元，朝向上基板配置的1/4波长板，和朝向上基板配置的相对于液晶单元的液晶的取向方向具有130°〜140°的角度的光轴的1/4波片， 其中1/4波片具有反向波长色散特性。

公开(公告)号：US10436962B2

公开(公告)日：2019-10-08

申请号：US14911240

申请日：2014-09-26

申请人： LG CHEM, LTD.

发明人： Byung-Sun Lee ,  Sung-Hyun Nam ,  Kyun-Il Rah

IPC分类号： G02B5/30 ,  G02B1/12 ,  G02B1/14

摘要： The present invention relates to a method of manufacturing a polarizer, including: preparing a polyvinyl alcohol-based polarizer dyed with one or more of iodine and dichromatic dyes; and forming a depolarization region having simple substance transmittance of 80% or more in a wavelength band of 400 nm to 800 nm by bringing a decoloring solution including 1 wt % to 30 wt % of a decolorant into local contact with some regions of the polarizer, and a polarizer manufactured using the same.

公开(公告)号：US10081143B2

公开(公告)日：2018-09-25

申请号：US14387192

申请日：2014-06-16

申请人： LG Chem, Ltd.

发明人： Sung-Hyun Nam ,  Jong-Hyun Jung ,  Kyun-II Rah ,  Hye-Min Yu

IPC分类号： G02B5/30 ,  B29D11/00 ,  B29C55/02 ,  B32B7/12 ,  B32B23/08 ,  B32B27/08 ,  B32B27/30 ,  B32B27/32 ,  B32B27/36 ,  B32B27/40 ,  B29K105/00 ,  B29K29/00 ,  B29K23/00 ,  B29K75/00 ,  B32B38/00

CPC分类号： B29D11/00644 ,  B29C55/023 ,  B29D11/00894 ,  B29K2023/06 ,  B29K2023/065 ,  B29K2029/04 ,  B29K2075/00 ,  B29K2105/256 ,  B29K2823/06 ,  B29K2823/065 ,  B29K2829/04 ,  B29K2875/00 ,  B29K2995/0034 ,  B32B7/12 ,  B32B23/08 ,  B32B27/08 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/36 ,  B32B27/40 ,  B32B2038/0028 ,  B32B2307/42 ,  B32B2307/514 ,  B32B2307/732 ,  B32B2457/206 ,  B32B2551/00 ,  G02B5/305

摘要： There is provided a stretched laminate having superior optical characteristics, easily separable from a base film, and usable for manufacturing a thin polarizer. In addition, there are provided a method of manufacturing a thin polarizer having superior optical characteristics by using the stretched laminate, a thin polarizer manufactured by the method, and a polarizing plate including the thin polarizer.

公开(公告)号：US20150301252A1

公开(公告)日：2015-10-22

申请号：US14240925

申请日：2013-11-15

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Jong-Hyun Jung ,  Kyun-Il Rah ,  Hye-Min Yu ,  Ji-Young Kim

IPC分类号： G02B5/30 ,  B32B38/14 ,  B32B38/00 ,  G02B1/08 ,  B32B37/18

CPC分类号： G02B5/3033 ,  B32B37/182 ,  B32B38/0012 ,  B32B38/14 ,  B32B2038/0028 ,  B32B2307/402 ,  B32B2307/42 ,  B32B2457/20 ,  B32B2551/00 ,  G02B1/08

摘要： Provided are a method for preparing a thin polarizer, including forming a film laminate by bonding a non-stretched polyvinyl alcohol-based film having a thickness of 10 to 60 μm to at least one surface of a non-stretched base film using an adhesive including an amine-based metal compound crosslinking agent and a polyvinyl alcohol-based resin containing an acetoacetyl group, and stretching the film laminate so as to allow the polyvinyl alcohol-based film to have a thickness of 10 μm or less, and a thin polarizer manufactured through the same.

摘要翻译： 提供一种制备薄偏振片的方法，包括通过使用粘合剂将包含10至60μm厚度的未拉伸的聚乙烯醇基膜与未拉伸的基底膜的至少一个表面结合形成膜层压体，所述粘合剂包括 胺系金属系化合物交联剂和含有乙酰乙酰基的聚乙烯醇系树脂，拉伸该薄膜层叠体，使得聚乙烯醇类薄膜的厚度为10μm以下，制成薄型偏振片 通过相同。

公开(公告)号：US09915766B2

公开(公告)日：2018-03-13

申请号：US15107283

申请日：2014-09-23

申请人： LG CHEM, LTD.

发明人： Jong-Hyun Jung ,  Sung-Hyun Nam ,  Kyun-Il Rah

IPC分类号： G02B5/30 ,  B29D11/00 ,  B29K29/00 ,  B29K105/00 ,  B29L9/00

CPC分类号： G02B5/3033 ,  B29C55/12 ,  B29D11/00644 ,  B29D11/00894 ,  B29K2029/04 ,  B29K2105/256 ,  B29L2009/00

摘要： The present invention relates to a method of manufacturing a thin polarizer, including: forming a film laminate by attaching a polyvinyl alcohol-based film to at least one surface of a polymer film by using attraction force or an adhesive; swelling the film laminate so that a degree of swelling of the polyvinyl alcohol-based film is 0.36 to 0.44; dyeing at least one of iodine and a dichromatic dye on the film laminate; and stretching the film laminate.

公开(公告)号：US09612376B2

公开(公告)日：2017-04-04

申请号：US14240925

申请日：2013-11-15

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Jong-Hyun Jung ,  Kyun-II Rah ,  Hye-Min Yu ,  Ji-Young Kim

IPC分类号： G02B1/08 ,  G02B5/30 ,  B32B37/18 ,  B32B38/00 ,  B32B38/14

CPC分类号： G02B5/3033 ,  B32B37/182 ,  B32B38/0012 ,  B32B38/14 ,  B32B2038/0028 ,  B32B2307/402 ,  B32B2307/42 ,  B32B2457/20 ,  B32B2551/00 ,  G02B1/08

摘要： Provided are a method for preparing a thin polarizer, including forming a film laminate by bonding a non-stretched polyvinyl alcohol-based film having a thickness of 10 to 60 μm to at least one surface of a non-stretched base film using an adhesive including an amine-based metal compound crosslinking agent and a polyvinyl alcohol-based resin containing an acetoacetyl group, and stretching the film laminate so as to allow the polyvinyl alcohol-based film to have a thickness of 10 μm or less, and a thin polarizer manufactured through the same.

公开(公告)号：US20150260894A1

公开(公告)日：2015-09-17

申请号：US14387168

申请日：2014-06-12

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Jong-Hyun Jung ,  Kyun-ll Rah ,  Hye-Min Yu

IPC分类号： G02B5/30 ,  B32B38/10

CPC分类号： G02B5/3033 ,  B29C55/005 ,  B29C55/026 ,  B32B7/12 ,  B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B27/36 ,  B32B27/40 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2457/20 ,  B32B2457/202

摘要： A method of manufacturing a thin film polarizer includes forming a film laminate by alternately bonding two or more non-oriented polymer films and two or more non-oriented polyvinyl alcohol-based films to each other using attractive force or an adhesive layer, orienting the film laminate so that the polyvinyl alcohol-based film has a thickness of 10 μm or less after the orienting of the film laminate, and separating the polymer films and the polyvinyl alcohol-based films of the oriented film laminate from each other.

摘要翻译： 薄膜偏振片的制造方法包括通过使用吸引力或粘合剂层将两种以上的无取向聚合物膜和两种以上的无取向聚乙烯醇系膜彼此交替粘合而形成膜层叠体，使膜 层压体，使得在层压体定向后，聚乙烯醇类膜的厚度为10μm以下，并将取向膜层叠体的聚合物膜和聚乙烯醇系膜分离。

公开(公告)号：US10353125B2

公开(公告)日：2019-07-16

申请号：US14388153

申请日：2014-06-18

申请人： LG CHEM, LTD.

发明人： Sung-Hyun Nam ,  Eun-Mi Seo ,  Seung-Hee Nam ,  Dae-Woong Lee ,  Kyun-Il Rah

IPC分类号： G02B5/30 ,  G02F1/1335 ,  C09J163/00 ,  C09J163/10 ,  C08G59/18 ,  C08G59/20 ,  C08G59/22

摘要： The present disclosure relates to a polarizing plate including an adhesive layer, a primer layer and a polyethylene terephthalate film which are sequentially formed on at least one side of a polarizer, wherein the adhesive layer in the present disclosure is formed by an active energy ray-curable adhesive including a first epoxy compound of which a homopolymer has a glass transition temperature of 120° C. or higher, a second epoxy compound of which a homopolymer has a glass transition temperature of 60° C. or lower, and a cationic photopolymerization initiator, and wherein the primer layer is formed by a primer composition including one or more binder resins selected from the group consisting of polyester and polyvinyl alcohol-based resins, and one or more cross-linking agents selected from the group consisting of acrylic cross-linking agents, epoxy-based cross-linking agents and polyvinyl alcohol-based cross-linking agents.