公开(公告)号：US11187830B2

公开(公告)日：2021-11-30

申请号：US16482683

申请日：2018-01-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Byung Joo Byun ,  Young Jong Kim ,  Do Heon Lee ,  In Cheon Han

IPC: G02B1/14 ,  G02B5/30 ,  B32B7/12 ,  B32B27/08 ,  B32B27/38 ,  B32B27/18 ,  B32B27/36 ,  B32B27/32 ,  G02B1/04

Abstract: Provided are: a polarizing plate; a method for manufacturing the polarizing plate; and an optical display device comprising the same, the polarizing plate having an adhesive layer, a barrier layer, a polarizer, and a protective film, which are sequentially stacked, wherein the barrier layer is formed from a barrier layer composition containing an epoxy-based compound and an antimony sulfonium-based initiator.

公开(公告)号：US10527767B2

公开(公告)日：2020-01-07

申请号：US14838321

申请日：2015-08-27

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Do Heon Lee ,  Mi Yeon Yu ,  Tae Hyun Lee ,  In Cheon Han

IPC: G02B5/30 ,  G02F1/1335 ,  C09D133/14

Abstract: A composition for protective layers of a polarizing plate includes a photocurable monomer or oligomer having a glass transition temperature (Tg) of about 50° C. or greater, particles, a reactive monomer or oligomer, and an initiator. A polarizing plate includes a polarizer and a protective layer formed from the composition on one or both surfaces of the polarizer. The protective layer has a storage modulus at about 25° C. of greater than about 2000 MPa, as measured at a heating rate of 10° C./min, a temperature of −50° C. to 100° C., a frequency of 1 Hz, and a strain of 0.5%. An optical display includes the polarizing plate.

公开(公告)号：US10358581B2

公开(公告)日：2019-07-23

申请号：US15360557

申请日：2016-11-23

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Irina Nam ,  Dae Yun Kim ,  Young Jong Kim ,  Won Kim ,  In Cheon Han

IPC: C09J7/00 ,  G02B5/30 ,  B32B7/12 ,  B32B23/08 ,  B32B23/20 ,  B32B27/30 ,  C09J7/10 ,  C09J133/14 ,  B32B27/08 ,  B32B27/18 ,  B32B27/22 ,  B32B27/26 ,  B32B27/28 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  G02F1/1335 ,  C09J133/06

Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer and a cellulose ester binder. The (meth)acrylic copolymer contains an alkyl group, a hydroxyl group, an alicyclic group, and a hetero-alicyclic group. The adhesive film has a modulus at 30° C. of about 100,000 Pa or more.

公开(公告)号：US10240068B2

公开(公告)日：2019-03-26

申请号：US15506648

申请日：2015-06-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Irina Nam ,  Young Jong Kim ,  Hwan Sung Cheon ,  In Cheon Han

IPC: C09J7/00 ,  C09J133/06 ,  G02F1/1333 ,  C09J7/10 ,  G02B5/30 ,  C09J133/14

Abstract: An adhesive film of the present invention comprises a (meth)acrylate-based copolymer and a cross-linking agent, and a gel fraction thereof is approximately 50-95%, and a ratio of change G′ in storage modulus thereof, represented by the following formula 1, is 20% or less. G′=(G7−G1)/G1×100  [Formula 1] (In formula 1, G1 is a storage modulus at 25° C. when the adhesive film is matured at 23° C. and a relative humidity (RH) of 55% for one day, and G7 represents a storage modulus at 25° C. when the adhesive film is matured at 23° C. and an RH of 55% for seven days.)

公开(公告)号：US09798060B2

公开(公告)日：2017-10-24

申请号：US14461863

申请日：2014-08-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Won Kim ,  Yi Eun Kim ,  Yoo Jin Suh ,  Seung Jun Lee ,  Ha Yun Cho ,  In Cheon Han

IPC: G02B5/30 ,  C08F220/18 ,  C09J4/00 ,  C08F220/28 ,  C09J133/06

CPC classification number: G02B5/3083 ,  C08F220/18 ,  C08F220/28 ,  C09J4/00 ,  C09J133/066 ,  G02B5/3025 ,  G02B5/3033 ,  C08F2220/281 ,  C08F2220/1825 ,  C08F220/20 ,  C08F220/06

Abstract: An adhesive film for a polarizing plate includes a functional group represented by Formula 1: wherein * represents a binding site; A is a C1 to C20 aliphatic hydrocarbon group; B is —O—, —S—, a C1 to C20 aliphatic hydrocarbon group, or a single bond; R2 is a C1 to C20 aliphatic hydrocarbon group; and n is an integer from 1 to 5.

公开(公告)号：US20160115355A1

公开(公告)日：2016-04-28

申请号：US14923297

申请日：2015-10-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Won Kim ,  Yi Eun Kim ,  Yoo Jin Suh ,  Chul Jeong ,  Ha Yun Cho ,  In Cheon Han

IPC: C09J7/00 ,  G02B5/30

CPC classification number: C09J7/00 ,  B32B7/12 ,  B32B27/08 ,  B32B27/281 ,  B32B27/285 ,  B32B27/286 ,  B32B27/304 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/325 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B2270/00 ,  B32B2307/40 ,  B32B2307/4026 ,  B32B2405/00 ,  B32B2457/20 ,  C08L33/10 ,  C09J7/10 ,  C09J133/08 ,  C09J133/14 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2433/00 ,  G02B5/305 ,  G02F1/133528

Abstract: An adhesive film for polarizing plates has a K value of about 0.2 to about 0.5, as calculated by Equation 1. A polarizing plate includes the adhesive film for polarizing plates. An optical display includes the polarizing plate. The adhesive films for polarizing plates according to embodiments of the invention suppress light leakage due to dimensional changes in the polarizing plates at high temperature and/or high humidity. K=ΔG′×ΔR0  Equation 1

Abstract translation: 用于偏振片的粘合膜的K值为约0.2至约0.5，如由等式1计算的。偏振片包括用于偏振片的粘合剂膜。 光学显示器包括偏振片。 根据本发明的实施方案的偏振片用粘合膜抑制了偏振片在高温和/或高湿度下的尺寸变化引起的漏光。 K =＆Dgr; G'×＆Dgr; R0等式1

公开(公告)号：US20150315431A1

公开(公告)日：2015-11-05

申请号：US14700041

申请日：2015-04-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Mi Yeon Yu ,  Yoo Jin Suh ,  Do Heon Lee ,  Seung Hoon Lee ,  Tae Hyun Lee ,  Ri Ra Jung ,  Woo Jin Jeong ,  In Cheon Han

IPC: C09J163/00 ,  C09J133/08

CPC classification number: C09J7/00 ,  C08F220/18 ,  C08L63/00 ,  C09J4/00 ,  C09J7/10 ,  C09J133/06 ,  C09J133/08 ,  C09J163/00 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2433/00 ,  C09J2463/00 ,  G02B5/3033 ,  C08L33/08

Abstract: An adhesive composition for a polarizing plate, an adhesive film formed from the same, a polarizing plate including the same, and an optical display including the same are disclosed. The adhesive film for a polarizing plate is formed from an adhesive composition including an epoxy compound and a (meth)acrylate compound, and the adhesive film has an FT-IR peak ratio of about 0.015 or lower as defined by Equation 1. Equation 1 FT-IR peak ratio=B/A  (1) In Equation 1, A is the peak height of the peak attributable to the —(C═O)— bond at 1724 cm−1, and B is the peak height of the peak attributable to the —CH═CH— bond at 1636 cm−1.

Abstract translation: 公开了一种用于偏振片的粘合剂组合物，由其形成的粘合剂膜，包括该粘合剂的偏振片和包括其的光学显示器。 用于偏振片的粘合剂膜由包含环氧化合物和（甲基）丙烯酸酯化合物的粘合剂组合物形成，并且粘合剂膜具有如等式1所定义的约0.015或更低的FT-IR峰值比。等式1 FT -IR峰值比= B / A（1）在等式1中，A是归属于1724cm-1处的 - （C = O） - 键的峰的峰高，B是归属于峰的峰高 到1636cm -1处的-CH = CH-键。

公开(公告)号：US20150277005A1

公开(公告)日：2015-10-01

申请号：US14675249

申请日：2015-03-31

Applicant: Samsung SDI Co., Ltd.

Inventor： Yi Eun Kim ,  Won Kim ,  Ha Yun Cho ,  In Cheon Han

IPC: G02B5/30 ,  G02B1/14

CPC classification number: G02B5/305 ,  G02B1/14 ,  G02B5/3033

Abstract: A polarizing plate, a method for manufacturing the same, and an optical display including the same are disclosed. The polarizing plate includes a polarizer, a protective coating layer on one surface of the polarizer, and an adhesive layer on one surface of the protective coating layer. The polarizing plate satisfies inequality 1. Rmax−Rmin≧0.02  (1) In Inequality 1, Rmax is the maximum index of refraction among the indexes of refraction of the polarizer, the protective coating layer and the adhesive layer, and Rmin is the minimum index of refraction among the indexes of refraction of the polarizer, the protective coating layer and the adhesive layer.

Abstract translation: 公开了一种偏振片，其制造方法和包括该偏振片的光学显示器。 偏振片包括偏振片，偏振片的一个表面上的保护涂层以及保护涂层的一个表面上的粘合剂层。 偏振片满足不等式1.Rmax-Rmin≥0.02（1）在不等式1中，Rmax是折射率，保护涂层和粘合剂层的折射率之间的最大折射率，Rmin是最小折射率 在偏振器，保护涂层和粘合剂层的折射率之间的折射率。

公开(公告)号：US20150104650A1

公开(公告)日：2015-04-16

申请号：US14470787

申请日：2014-08-27

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Mi Yeon Yu ,  Do Heon Lee ,  Tae Hyun Lee ,  In Cheon Han

IPC: C09J163/00 ,  G02B5/30 ,  G02B1/10

CPC classification number: C09J163/00 ,  G02B1/10 ,  G02B1/105 ,  G02B1/14 ,  G02B1/18 ,  G02B5/3033 ,  Y10T428/31515

Abstract: An adhesive composition for polarizing plates includes: (A) a non-(meth)acrylate type epoxy compound; (B) a non-epoxy type (meth)acrylate compound; and (C) a (meth)acrylate group-containing epoxy compound. A polarizing plate includes an adhesive layer formed from the adhesive composition on a polarizer, and a protective film on the adhesive layer. A display apparatus includes the polarizing plate.

Abstract translation: 偏振片用粘合剂组合物包括：（A）非（甲基）丙烯酸酯型环氧化合物; （B）非环氧型（甲基）丙烯酸酯化合物; 和（C）含（甲基）丙烯酸酯基的环氧化合物。 偏光板包括由偏光片上的粘合剂组合物形成的粘合剂层和粘合剂层上的保护膜。 显示装置包括偏振片。