公开(公告)号：US20210284878A1

公开(公告)日：2021-09-16

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

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：US20160370508A1

公开(公告)日：2016-12-22

申请号：US15186207

申请日：2016-06-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Woo Jin JEONG ,  Seung Jun LEE

IPC: G02B1/18 ,  C09J7/02 ,  G02B5/30

CPC classification number: G02B5/3033 ,  C09J7/22 ,  C09J7/35 ,  C09J2201/36 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2205/114 ,  C09J2429/006 ,  C09J2433/00 ,  G02B1/14

Abstract: A polarizing plate, a method of manufacturing the same, and an optical display including the same are provided. A polarizing plate includes a polarizer and a first adhesive layer formed on a lower surface of the polarizer, and the first adhesive layer includes an adhesive resin having a glass transition temperature of about SOX or greater, and the first adhesive layer has a haze of about 1% or less at a wavelength of about 380 nm to about 780 nm.

Abstract translation: 提供了一种偏振板，其制造方法和包括该偏振片的光学显示器。 偏振片包括偏振片和形成在偏振片的下表面上的第一粘合层，第一粘合层包括玻璃化转变温度约为SOX或更高的粘合树脂，第一粘合层的雾度为约 在约380nm至约780nm的波长下为1％或更小。

公开(公告)号：US20150247070A1

公开(公告)日：2015-09-03

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: C09J133/14 ,  C09J133/10

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。

公开(公告)号：US20230055877A1

公开(公告)日：2023-02-23

申请号：US17757816

申请日：2020-12-10

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Woo Jin JEONG ,  Seung Jun LEE ,  Il Jin KIM

IPC: G02B5/30

Abstract: Provided are a polarizing plate and an optical display device comprising same, wherein: the polarizing plate comprises a polarizer, a protection film formed on the surface of the polarizer, and a barrier layer formed on the other surface of the polarizer; the barrier layer is formed of a composition comprising a (meth)acryl-based copolymer, a curing agent, and a silane coupler; and the curing agent comprises a mixture of: a polyisocyanate curing agent containing a plurality of units, each containing an entirety of an alkylene group of two or more carbon atoms having a urethane bonding; and a polyisocyanate curing agent containing an isocyanurate group.

公开(公告)号：US20190250318A1

公开(公告)日：2019-08-15

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 ,  G02B5/00 ,  H01L27/32 ,  C09J175/14

CPC classification number: G02B5/3016 ,  C09J175/14 ,  G02B1/04 ,  G02B1/14 ,  G02B5/003 ,  G02B5/22 ,  G02B5/30 ,  H01L27/3232

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：US20160209563A1

公开(公告)日：2016-07-21

申请号：US14747075

申请日：2015-06-23

Applicant: Samsung Electronics Co., Ltd. ,  SAMSUNG SDI CO., LTD.

Inventor： Hye Young KONG ,  Hyung Jun KIM ,  Jong Hoon WON ,  Seung Jun LEE ,  Woo Jin JEONG ,  Myung Sup JUNG ,  Hyun-Seok CHOI

IPC: G02B5/30 ,  B32B27/36 ,  G02B1/11 ,  B32B27/32 ,  B32B27/20 ,  B32B27/08 ,  B32B27/30

CPC classification number: G02B5/305 ,  B32B27/08 ,  B32B27/16 ,  B32B27/20 ,  B32B27/308 ,  B32B27/32 ,  B32B27/365 ,  B32B2250/24 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/416 ,  B32B2307/42 ,  B32B2307/546 ,  B32B2307/718 ,  B32B2307/732 ,  B32B2457/20 ,  B32B2457/202 ,  C09J7/29 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2433/00 ,  G02B1/11 ,  G02B5/3083 ,  G02F1/133305 ,  G02F1/133502 ,  G02F1/13363

Abstract: An antireflective film for a flexible display device includes a polarizing film, a compensation film, and an adhesion layer positioned therebetween, and, the antireflective film has a retardation change (ΔR) relative to initial retardation (R0) satisfying the following Equation 1 when bent with a curvature radius (r) of greater than or equal to about 3 mm: Δ   R R 0 × 100 ≤ 10  % . Equation   1

Abstract translation: 用于柔性显示装置的抗反射膜包括偏振膜，补偿膜和位于其间的粘合层，并且该抗反射膜具有相对于初始延迟（R0）的延迟变化（＆Dgr; R），满足下列等式1 当曲率半径（r）大于或等于约3mm时弯曲：＆Dgr; R R 0×100≤10％。 方程1

公开(公告)号：US20200317969A1

公开(公告)日：2020-10-08

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

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：US20180203174A1

公开(公告)日：2018-07-19

申请号：US15869866

申请日：2018-01-12

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seung Jun LEE ,  Woo Jin JEONG ,  Yoo Jin SUH ,  Ha Yun CHO ,  Han Joo CHOI ,  In Cheon HAN

IPC: G02B5/30 ,  H01L51/52

CPC classification number: G02B5/3041 ,  G02B5/208 ,  G02B5/3075 ,  G02B5/3083 ,  H01L51/5281

Abstract: A polarizing plate includes a polarizing film, a first adhesive layer or a bonding layer, a retardation layer, and a third adhesive layer, and includes: a UV absorber comprising an indole UV absorber, a phenylbenzotriazole UV absorber, and/or a triazine UV absorber, wherein the UV absorber has a maximum absorption wavelength of 370 nm or higher, the polarizing plate has a light transmittance of 5% or less in a wavelength range of about 400 nm to about 405 nm and a light transmittance of 35% or higher in a wavelength range of about 440 nm to about 450 nm, the first adhesive layer has a modulus of 1×105 Pa or higher at 80° C. and a modulus of 1×105 Pa or higher at 30° C., and the third adhesive layer has a modulus of 5×104 Pa to 1×106 Pa at 80° C. and a modulus of 1×105 Pa to 3×106 Pa at 30° C.

公开(公告)号：US20230383151A1

公开(公告)日：2023-11-30

申请号：US18250732

申请日：2021-10-26

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Hyun LEE ,  Il Jin KIM ,  Mi Ran SEO ,  Mi Yeon YU ,  Woo Jin JEONG

IPC: C09J129/04 ,  C09J11/06 ,  C08K5/1515 ,  C08K5/17 ,  G02B5/30

CPC classification number: C09J129/04 ,  C09J11/06 ,  C08K5/1515 ,  C08K5/17 ,  G02B5/3016 ,  C09J2203/318

Abstract: Provided is an adhesive composition for a polarizing plate, a polarizing plate, and an optical display device, wherein the adhesive composition comprises a polyvinyl alcohol-based resin, a crosslinking agent bearing a primary amine group or a secondary amine group, and an epoxy-based compound bearing an alkylene oxide group.

公开(公告)号：US20210318478A1

公开(公告)日：2021-10-14

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 ,  C09J165/00 ,  G02F1/1335 ,  C09J129/04

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/□).