公开(公告)号：US20170152414A1

公开(公告)日：2017-06-01

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 ,  G02B5/30 ,  G02F1/1335 ,  C09J11/06

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：US20150152293A1

公开(公告)日：2015-06-04

申请号：US14548464

申请日：2014-11-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Woo Jin JEONG ,  In Cheon HAN ,  Dong Heon YUN

IPC: C09J7/00 ,  B32B37/18 ,  B32B37/12

CPC classification number: C09J7/00 ,  B32B37/003 ,  B32B37/12 ,  B32B2457/202 ,  C08K5/21 ,  C08K5/29 ,  C08K5/5435 ,  C09J7/10 ,  C09J133/08 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  Y10T156/10 ,  Y10T428/1077 ,  Y10T428/2891 ,  C08F2220/1825 ,  C08F2220/281 ,  C08F220/20 ,  C08F226/10

Abstract: An adhesive film for polarizing plates, a polarizing plate, and an optical display, the adhesive film being prepared from an adhesive composition including an isocyanate crosslinking agent and an imide crosslinking agent, and having a ΔG′ of about 50% to about 80%, ΔG′ being represented by Equation 1: ΔG′=(G1−G2)/G1×100  [Equation 1] in which G1 is a storage modulus of the adhesive film for polarizing plates as measured at 25° C., and G2 is a storage modulus of the adhesive film for polarizing plates as measured at 85° C.

Abstract translation: 一种用于偏振片，偏振片和光学显示器的粘合剂膜，该粘合剂膜由包含异氰酸酯交联剂和酰亚胺交联剂的粘合剂组合物制备，并且具有约50％至约80的“ ％，＆Dgr; G'由等式1表示：＆Dgr; G'=（G1-G2）/ G1×100 [等式1]其中G1是在25℃下测量的偏振片用粘合膜的储能模量 而G2是在85℃下测定的偏振片用粘合膜的储能模量。

公开(公告)号：US20200071577A1

公开(公告)日：2020-03-05

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 ,  C09J147/00 ,  C09J133/08 ,  C08G59/24 ,  C08G65/26 ,  C08F220/18 ,  C08F236/02 ,  C08J3/28 ,  G02B5/30 ,  G09F9/30

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：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：US20170253770A1

公开(公告)日：2017-09-07

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 ,  G02F1/1333

CPC classification number: C09J7/00 ,  C09J7/10 ,  C09J133/06 ,  C09J133/068 ,  C09J133/14 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2205/114 ,  C09J2433/00 ,  G02B5/30 ,  G02F1/13338 ,  G02F2202/28

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. [Formula 1] G′=(G7−G1)/G1×100 (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：US20160238771A1

公开(公告)日：2016-08-18

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 ,  G02B1/04 ,  G02F1/1335 ,  G02B1/18

CPC classification number: G02B5/3033 ,  C08G59/223 ,  C08G59/24 ,  C08L63/00 ,  G02B1/04 ,  G02B1/18 ,  G02B5/3083 ,  G02F1/133528 ,  G02F2202/28 ,  C08L67/00 ,  C08L33/06 ,  C08L33/066

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.

Abstract translation: 偏光板包括偏振片，偏振片上表面的接合层，接合层上表面的保护膜，40℃下的透湿度为30g / m2·24小时以下。 和90％相对湿度（RH），以及偏振片下表面上的阻挡层，其由包含玻璃化转变温度为约200℃以上的脂环族环氧树脂的阻隔层组合物形成。 透光率变化率= | T0-T500 | / T0×100（1），其中T0为初始透光率，T500为 500小时后的透光率如本文所述。

公开(公告)号：US20190339421A1

公开(公告)日：2019-11-07

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 ,  B32B27/32 ,  B32B27/36

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：US20170145262A1

公开(公告)日：2017-05-25

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 ,  G02F1/1335 ,  B32B27/30 ,  B32B23/08 ,  B32B23/20 ,  G02B5/30 ,  B32B7/12

CPC classification number: C09J7/00 ,  B32B7/12 ,  B32B23/08 ,  B32B23/20 ,  B32B27/08 ,  B32B27/18 ,  B32B27/22 ,  B32B27/26 ,  B32B27/281 ,  B32B27/285 ,  B32B27/286 ,  B32B27/304 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/325 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/04 ,  B32B2250/24 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2307/50 ,  B32B2307/536 ,  B32B2307/548 ,  B32B2307/702 ,  B32B2307/732 ,  B32B2457/20 ,  B32B2457/202 ,  C09J7/10 ,  C09J133/066 ,  C09J133/14 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2401/00 ,  C09J2433/00 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2202/28 ,  C08L1/10

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：US20150315425A1

公开(公告)日：2015-11-05

申请号：US14699428

申请日：2015-04-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sung Hyun MUN ,  Ki Yong KIM ,  Jee Hee KIM ,  Chan Woo KIM ,  Ik Hwan CHO ,  In Cheon HAN

IPC: C09J133/14 ,  H01L51/52 ,  H01L27/32 ,  C09J7/00

Abstract: An adhesive film and an optical display, the adhesive film being prepared from an adhesive composition that includes a (meth)acrylic copolymer, wherein the adhesive film has an elongation of about 750% to about 3,000%, and satisfies the following Equation 1: PB/PY=about 3.0 to about 20, wherein PB is a break point in gf of the adhesive film and PY is a yield point in gf of the adhesive film.

Abstract translation: 粘合剂膜和光学显示器，粘合剂膜由包含（甲基）丙烯酸共聚物的粘合剂组合物制备，其中粘合剂膜具有约750％至约3,000％的伸长率，并且满足以下等式1：PB / PY =约3.0〜约20，其中PB为粘合膜的gf断裂点，PY为粘合膜的屈服点，单位为gf。

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。