公开(公告)号：US11667820B2

公开(公告)日：2023-06-06

申请号：US16468651

申请日：2017-09-11

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seung Hoon Lee ,  Do Heon Lee ,  Mi Ran Seo ,  In Cheon Han

IPC: C09J163/00 ,  B32B7/12 ,  B41J2/16 ,  C04B37/00 ,  C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08F220/18 ,  C08F236/02 ,  C08G59/24 ,  C08G65/26 ,  C08J3/28 ,  C09J133/08 ,  C09J147/00 ,  G02B5/30 ,  G09F9/30

CPC classification number: C09J163/00 ,  C08F220/18 ,  C08F236/02 ,  C08G59/24 ,  C08G65/2612 ,  C08J3/28 ,  C09J133/08 ,  C09J147/00 ,  G02B5/30 ,  G09F9/30 ,  C08F220/1812

Abstract: Provided are an adhesive composition for a polarizing plate, a polarizing plate, and an optical display device, the adhesive composition comprising an epoxy-based compound, a (meth)acrylate-based compound, a photo-acid generator, and an optical radical initiator, the (meth)acrylate-based compound comprising a mixture of a bifunctional (meth)acrylate-based compound and a monofunctional (meth)acrylate-based compound having a hydrophobic functional group, wherein the adhesive strength measured after the adhesive composition for a polarizing plate is separately applied to a PET film, a TAC film, and a COP film, to which a polarizer is then bound, followed by photo-curing, is about 200 gf/inch or more.

公开(公告)号：US09428676B2

公开(公告)日：2016-08-30

申请号：US14453234

申请日：2014-08-06

Applicant: Samsung SDI Co., Ltd.

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

IPC: G02B5/30 ,  C09J133/08 ,  C09J143/04 ,  C09J163/00

CPC classification number: C09J163/00 ,  C08G59/4071 ,  C08L33/08 ,  C09J133/08 ,  C09J143/04 ,  G02B5/3033

Abstract: An adhesive composition for polarizing plates includes an epoxy compound, a (meth)acrylic compound, an alkoxysilane compound including at least one epoxy group, and an alkoxysilane compound including at least one (meth)acrylate group. A polarizing plate using the adhesive composition can exhibit good adhesion, reliability, durability, water resistance, and high temperature/high humidity resistance. An optical apparatus includes the polarizing plate.

Abstract translation: 用于偏振片的粘合剂组合物包括环氧化合物，（甲基）丙烯酸化合物，包含至少一个环氧基的烷氧基硅烷化合物和包含至少一个（甲基）丙烯酸酯基团的烷氧基硅烷化合物。 使用粘合剂组合物的偏光板可以表现出良好的粘合性，可靠性，耐久性，耐水性和耐高温/高耐湿性。 光学装置包括偏光板。

公开(公告)号：US10241249B2

公开(公告)日：2019-03-26

申请号：US15044839

申请日：2016-02-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Do Heon Lee ,  Tae Hyun Lee ,  In Cheon Han

IPC: G02B5/30 ,  G02B1/18 ,  C08G59/22 ,  C08G59/24 ,  C08L63/00 ,  G02B1/04 ,  G02F1/1335

Abstract: A polarizing plate includes a polarizer, a bonding layer on an upper surface of the polarizer, a protective film on an upper surface of the bonding layer and having a moisture transmittance of about 30 g/m2·24 hr or less at 40° C. and 90 % relative humidity (RH), and a barrier layer on a lower surface of the polarizer and formed of a barrier layer composition including an alicyclic epoxy resin having a glass transition temperature of about 200° C. or more. The polarizing plate may have a light transmittance variation rate of 3% or less, as calculated by Equation 1: Light transmittance variation rate=|T0−T500|/T0×100  (1), where T0 is an initial light transmittance and T500 is a light transmittance after 500 hours as set forth herein.

公开(公告)号：US11726244B2

公开(公告)日：2023-08-15

申请号：US16674393

申请日：2019-11-05

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Do Heon Lee ,  Seung Hoon Lee ,  Il Jin Kim

IPC: G02B5/30 ,  C09J163/10 ,  H01L33/44 ,  H10K50/80

CPC classification number: G02B5/3016 ,  C09J163/10 ,  G02B5/30 ,  C09J2301/416 ,  H01L33/44 ,  H10K50/868

Abstract: A polarizing plate for light emitting displays and a light emitting display including the same are provided. A polarizing plate includes: a polarizer; and a first liquid crystal retardation film, a first bonding layer, and a second liquid crystal retardation film sequentially stacked on a surface of the polarizer, and the first bonding layer has a glass transition temperature of about 70° C. to about 100° C. and is formed of a composition including at least one selected from among an alicyclic group-containing glycidyl ether and an aromatic group-containing glycidyl ether.

公开(公告)号：US09434860B2

公开(公告)日：2016-09-06

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: C08F2/50 ,  C08F2/46 ,  C08G61/04 ,  C09J7/00 ,  C09J163/00 ,  C09J133/08 ,  C08F220/18 ,  C09J4/00 ,  C09J133/06 ,  G02B5/30

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：US20160062016A1

公开(公告)日：2016-03-03

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 ,  C09D133/14 ,  G02F1/1335

CPC classification number: G02B5/3041 ,  C09D133/14 ,  G02F1/133528 ,  Y10T428/10 ,  Y10T428/1036

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.

Abstract translation: 偏振片的保护层用组合物包括玻璃化转变温度（Tg）为约50℃以上的光固化性单体或低聚物，粒子，反应性单体或低聚物以及引发剂。 偏振板包括偏振器和由偏振器的一个或两个表面上的组合物形成的保护层。 保护层在约25℃下的储能模量大于约2000MPa，以10℃/分钟的加热速率，-50℃至100℃的温度测量，频率 1 Hz，应变为0.5％。 光学显示器包括偏振片。

公开(公告)号：US20150043069A1

公开(公告)日：2015-02-12

申请号：US14453234

申请日：2014-08-06

Applicant: Samsung SDI Co., Ltd.

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

IPC: C09J163/00 ,  G02B5/30 ,  C09J133/08

CPC classification number: C09J163/00 ,  C08G59/4071 ,  C08L33/08 ,  C09J133/08 ,  C09J143/04 ,  G02B5/3033

Abstract: An adhesive composition for polarizing plates includes an epoxy compound, a(meth)acrylic compound, an alkoxysilane compound including at least one epoxy group, and an alkoxysilane compound including at least one (meth)acrylate group. A polarizing plate using the adhesive composition can exhibit good adhesion, reliability, durability, water resistance, and high temperature/high humidity resistance. An optical apparatus includes the polarizing plate.

Abstract translation: 用于偏振片的粘合剂组合物包括环氧化合物，（甲基）丙烯酸化合物，包含至少一个环氧基的烷氧基硅烷化合物和包含至少一个（甲基）丙烯酸酯基团的烷氧基硅烷化合物。 使用粘合剂组合物的偏光板可以表现出良好的粘合性，可靠性，耐久性，耐水性和耐高温/高耐湿性。 光学装置包括偏光板。

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：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。