公开(公告)号：US12195643B2

公开(公告)日：2025-01-14

申请号：US17376881

申请日：2021-07-15

Applicant: Samsung SDI Co., Ltd.

Inventor： Seung Jun Lee ,  Dae Yun Kim ,  Il Jin Kim ,  Mi Yeon Yu ,  Woo Jin Jeong ,  Ha Yun Cho

IPC: C09J133/08 ,  C08K5/315 ,  C09J133/10 ,  G02B5/30 ,  G02F1/1335 ,  C08F220/18 ,  C08F220/20 ,  C08F220/30

Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display apparatus including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer, an isocyanate curing agent, a metal chelate curing agent, and an antistatic agent, and has a surface resistance difference ΔSR of 1.0 (log(Ω/□)) or less, as calculated by Equation 1 and, in Equation 1, SR1 is 10 (log(Ω/□)) or less.

公开(公告)号：US11092728B2

公开(公告)日：2021-08-17

申请号：US16311152

申请日：2017-02-27

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Woo Jin Jeong ,  Seung Jun Lee ,  Tae Hyun Lee

IPC: G02B5/30 ,  G02B27/28 ,  G02B1/04 ,  C08G18/62 ,  C08G18/78 ,  G02B5/22 ,  G02B1/14 ,  C09J175/04 ,  C08G18/80 ,  C09J175/14 ,  G02B5/00 ,  H01L27/32

Abstract: Provided are a polarizing plate and an optical display device comprising the same, wherein the polarizing plate has a polarizing film, a first adhesive layer, a first optical compensation layer, a second adhesive layer, and a second optical compensation layer laminated successively, and elastic modulus measured by a microindenter at 25° C. on the surface of the second optical compensation layer with regard to the polarizing plate is about 100 MPa to about 1000 MPa.

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：US11649385B2

公开(公告)日：2023-05-16

申请号：US16840808

申请日：2020-04-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Woo Jin Jeong ,  Mi Yeon Yu ,  Han Joo Choi ,  Il Jin Kim

IPC: C09J133/10 ,  C08F220/12 ,  G02F1/1335 ,  C08K5/19

CPC classification number: C09J133/10 ,  C08F220/12 ,  G02F1/133528 ,  C08K5/19 ,  C09J2203/318 ,  C09K2323/057 ,  G02F2202/28 ,  C08F220/1804 ,  C08F220/1807 ,  C08F220/20 ,  C09J4/06 ,  C08F265/06 ,  C09J133/066 ,  C08L33/08 ,  C08F265/06 ,  C08F220/1804 ,  C08K5/5435 ,  C08L33/08 ,  C08K5/5435 ,  C08L33/10 ,  C08K5/43 ,  C08L33/08 ,  C08K5/43 ,  C08L33/10

Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display apparatus including the same are provided. An adhesive film for polarizing plates includes: a (meth)acrylic copolymer, a curing agent, a (meth)acrylic oligomer, and an antistatic agent, and has a modulus of about 0.5 MPa or more at about 25° C. and a surface resistance difference ΔSR of about 1.0 log (Ω/□) or less, as calculated by Equation 1 herein.

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：US11822109B2

公开(公告)日：2023-11-21

申请号：US17272880

申请日：2019-12-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Tae Hyun Lee ,  Mi Yeon Yu ,  Seung Jun Lee ,  Woo Jin Jeong ,  Il Jin Kim

IPC: G02B5/30 ,  G02B1/14 ,  C09J9/02 ,  C09J125/18 ,  C09J129/04 ,  C09J165/00 ,  G02F1/1335

CPC classification number: G02B5/3058 ,  C09J9/02 ,  C09J125/18 ,  C09J129/04 ,  C09J165/00 ,  G02B1/14 ,  G02F1/133528 ,  C09J2203/318 ,  C09K2323/04 ,  G02F2202/022 ,  G02F2202/28

Abstract: Provided are a polarizing plate, a polarizing plate adhesive composition for same, and an optical display apparatus comprising same, the polarizing plate comprising: a polarizer; and a polarizing plate adhesive layer and a protective layer which are sequentially formed on at least one surface of the polarizer, wherein the polarizing plate adhesive layer comprises poly(ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS), and the polarizing plate adhesive layer has a surface resistance of about 1×108 to about 1×1012(Ω/□).

公开(公告)号：US11787985B2

公开(公告)日：2023-10-17

申请号：US17190772

申请日：2021-03-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Mi Yeon Yu ,  Seung Jun Lee ,  Woo Jin Jeong ,  Ha Yun Cho ,  Il Jin Kim

IPC: C09J133/12 ,  G02B5/30 ,  C09J7/29 ,  C09J7/30 ,  C09J11/06 ,  C09J133/10 ,  C09J133/08

CPC classification number: C09J133/12 ,  C09J7/29 ,  C09J7/30 ,  C09J11/06 ,  G02B5/305 ,  B32B2307/40 ,  B32B2307/42 ,  B32B2307/71 ,  B32B2457/20 ,  B32B2457/206 ,  C09J133/08 ,  C09J133/10 ,  C09J2203/318 ,  C09K2323/057 ,  C09J133/066 ,  C08L45/00 ,  C08K5/5435 ,  C08K5/3492 ,  C08K5/3475 ,  C08F220/1804 ,  C08F220/20 ,  C09J175/04 ,  C08L93/00

Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. The adhesive film for polarizing plates is formed of an adhesive composition comprising: a (meth)acrylic copolymer; an adhesion promoter; a mixture of an isocyanate curing agent and a carbodiimide curing agent; and a UV absorbent, and the adhesive film has a glass transition temperature of about −47° C. to −40° C., and the adhesive film has a light transmittance of about 3% or less at a wavelength of about 380 nm.

公开(公告)号：US11312885B2

公开(公告)日：2022-04-26

申请号：US16313430

申请日：2016-12-23

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seung Jun Lee ,  Woo Jin Jeong

IPC: C09J133/10 ,  G02B5/30 ,  G02B1/14 ,  C09J133/08

Abstract: Provided are an adhesive film, an optical member including the same, and an optical display apparatus including the same, the adhesive film including two or more (meth)acrylic adhesive layers including a first (meth)acrylic adhesive layer and a second (meth)acrylic adhesive layer, and having Young's modulus of approximately 100-1000 MPa and peel strength of approximately 1.0 N/mm or higher at the second (meth)acrylic adhesive layer.

公开(公告)号：US10662353B2

公开(公告)日：2020-05-26

申请号：US15309787

申请日：2015-04-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seung Jun Lee ,  Dong Heon Yun ,  Woo Jin Jeong ,  Eun Hwan Jeong ,  In Cheon Han

IPC: C09J133/14 ,  C09J133/06 ,  C09J11/06 ,  G02B5/30 ,  G02F1/1335

Abstract: The present invention relates to an adhesive composition for an optical member, an optical member comprising the same, and an optical display device comprising the same, wherein the composition comprises a (meth)acryl-based copolymer containing an acetoacetoxy group, a metal chelate curing agent, and a tri- or higher functional isocyanate-based curing agent, the (meth)acryl-based copolymer having an acid value of 0 mgKOH/g.

公开(公告)号：US09550923B2

公开(公告)日：2017-01-24

申请号：US14619635

申请日：2015-02-11

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Irina Nam ,  Woo Jin Jeong ,  Dong Heon Yun ,  In Cheon Han

IPC: B32B7/12 ,  C09J133/06 ,  C08F220/18

CPC classification number: C09J133/066 ,  C08F220/18 ,  Y10T428/2848 ,  C08F2220/1825 ,  C08F220/20 ,  C08F220/06 ,  C08F226/10

Abstract: An adhesive composition for polarizing plates includes a (meth)acrylic copolymer and a biphenyl group-containing photocuring agent. A polarizing plate includes an adhesive layer formed of the adhesive composition An optical display includes the polarizing plate.

Abstract translation: 用于偏振片的粘合剂组合物包括（甲基）丙烯酸共聚物和含联苯基的光固化剂。 偏光板包括由粘合剂组合物形成的粘合剂层。光学显示器包括偏振片。