公开(公告)号：US20240353593A1

公开(公告)日：2024-10-24

申请号：US18685189

申请日：2022-08-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Kyoung Gon PARK ,  Sung Hyun MUN ,  Jin Young LEE ,  Ji Young HAN ,  Ji Won KANG ,  Ji Yeon KIM ,  Ji Ho KIM ,  Jae Hyun HAN ,  Il Jin KIM ,  Gwang Hwan LEE ,  Do Young KIM ,  Dong Myeong SHING

IPC: G02B1/14

CPC classification number: G02B1/14

Abstract: Provided are an optical member and an optical display device comprising same, the optical member comprising a support layer and an optically functional layer laminated on one surface of the support layer, wherein: the optically functional layer includes a groove having inclined surfaces; at least one convex portion extending from the flat portion of the optically functional layer is formed at each of the inclined surfaces; the convex portion is a curved surface with a radius of curvature of 1 mm or greater, and each of the inclined surfaces satisfies expression 1.

公开(公告)号：US20200157386A1

公开(公告)日：2020-05-21

申请号：US16615770

申请日：2018-05-14

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji Ho KIM ,  Ji Won KANG ,  Jin Young LEE ,  Jae Hyun HAN ,  Byeong Do KWAK ,  Il Jin KIM ,  Sung Hyun MUN ,  Gwang Hwan LEE ,  Ik Hwan CHO ,  In Chul HWANG

IPC: C09J7/38 ,  C09J4/00 ,  C09J11/08 ,  C09J7/29 ,  C08L33/06 ,  C08L33/08 ,  C08L47/00 ,  C08K7/22

Abstract: Provided are an adhesive film, an optical member including the same, and an optical display device including the same, the adhesive film being formed from a monomer mixture comprising an alkyl group-containing acrylate and a hydroxyl group-containing acrylate, wherein the adhesive film has a modulus of 80 kPa or less at −20° C., and the adhesive film has a value of 40% to 140% in equation 1 at 25° C.

公开(公告)号：US20210277292A1

公开(公告)日：2021-09-09

申请号：US17185569

申请日：2021-02-25

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Ji Ho KIM ,  Ji Won KANG ,  Il Jin KIM ,  Kyoung Gon PARK ,  Jin Young LEE ,  Jae Hyun HAN ,  Se Mi HEO

IPC: C09J133/08 ,  B32B27/36 ,  B32B7/12 ,  B32B27/30 ,  B32B27/08

Abstract: An adhesive film formed of an adhesive composition including a hydroxyl group-containing (meth)acrylic copolymer and a silicone-containing (meth)acrylic compound, the adhesive film having a peel strength ratio of about 50% or more, as calculated by Equation 1, an optical member including the same, and an optical display apparatus including the same are disclosed.

公开(公告)号：US20210261833A1

公开(公告)日：2021-08-26

申请号：US17179992

申请日：2021-02-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sung Hyun MUN ,  Ji Won KANG ,  Do Young KIM ,  Il Jin KIM ,  Ji Yeon KIM ,  Ji Ho KIM ,  Kyoung Gon PARK ,  Dong Myeong SHIN ,  Gwang Hwan LEE ,  Jin Young LEE ,  Jae Hyun HAN ,  Ji Young HAN ,  Se Mi HEO

IPC: C09J133/08 ,  C09J7/29

Abstract: An adhesive film, a scattering prevention film including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including: a polymerization product including a hydroxyl group-containing (meth)acrylic copolymer; and an alkylene oxide cross-linking agent. The adhesive film contains a substituted monocyclic cyclyloxy group and has a peel strength of about 950 gf/in or more, as measured with respect to a glass plate at about 25° C.

公开(公告)号：US20170306194A1

公开(公告)日：2017-10-26

申请号：US15495838

申请日：2017-04-24

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong Do KWAK ,  Ji Ho KIM ,  Ji Won KANG ,  Il Jin KIM ,  Sung Hyun MUN ,  Seon Hee SHIN ,  Hyung Rang MOON ,  Gwang Hwan LEE ,  Jin Young LEE ,  Ik Hwan CHO ,  Jae Hyun HAN ,  In Chul HWANG

IPC: C09J133/08 ,  C09J7/02 ,  G02B1/04 ,  C08F220/16 ,  C08K9/10

CPC classification number: G02B1/04 ,  B32B7/12 ,  B32B23/04 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/08 ,  B32B27/281 ,  B32B27/302 ,  B32B27/308 ,  B32B27/325 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B2307/204 ,  B32B2307/40 ,  B32B2307/412 ,  B32B2307/416 ,  B32B2307/418 ,  B32B2307/42 ,  B32B2307/51 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/732 ,  B32B2307/748 ,  B32B2457/202 ,  B32B2457/206 ,  B32B2457/208 ,  B32B2551/00 ,  C08F2800/20 ,  C08K9/10 ,  C08K2201/003 ,  C09J7/10 ,  C09J133/066 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2205/114 ,  C09J2433/00 ,  C08F220/20 ,  C08F2220/1825 ,  C08L33/08 ,  C08L33/10

Abstract: An adhesive film, an optical member including the same, and an optical display including the same are provided. An adhesive film includes a (meth)acrylic copolymer including a hydroxyl group and formed of a monomer mixture including a hydroxyl group-containing (meth)acrylate and an alkyl group-containing (meth)acrylate. The adhesive film has a glass transition temperature of about −35° C. or less and allows about 50,000 cycles or more of bending before delamination between the adhesive film and a PET film, cracking, or bubble generation occurs in a specimen as described herein.

公开(公告)号：US20240158669A1

公开(公告)日：2024-05-16

申请号：US18547954

申请日：2022-02-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Ji Ho KIM ,  Sung Hyun MUN ,  Kyoung Gon PARK ,  Jin Young LEE ,  Jae Hyun HAN ,  Il Jin KIM ,  Dong Myeong SHIN

IPC: C09J7/29 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  C09J7/38

CPC classification number: C09J7/29 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  C09J7/385 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2255/28 ,  B32B2307/54 ,  B32B2307/748 ,  B32B2457/20 ,  C09J2203/326 ,  C09J2301/1242 ,  C09J2301/414 ,  C09J2433/006 ,  C09J2483/00

Abstract: Provided are: an optical laminate comprising a second adhesive layer, a second adhesive layer laminated on the second adhesive layer, and a light shield part laminated between the first adhesive layer and the second adhesive layer; an optical member comprising same; and an optical display device including same.

公开(公告)号：US20230407141A1

公开(公告)日：2023-12-21

申请号：US18252337

申请日：2021-11-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dong Myeong SHIN ,  Ji Yeon KIM ,  Jin Young LEE ,  Jae Hyun HAN ,  Il Jin KIM ,  Kyoung Gon PARK

IPC: C09J7/30 ,  C09J11/08 ,  C09J133/00

CPC classification number: C09J7/30 ,  C09J11/08 ,  C09J133/00 ,  C09J133/10

Abstract: Provided are an adhesive film, an optical member comprising same, and an optical display device comprising same, the adhesive film being formed of a composition that includes: a monomer mixture including a monomer having a glass transition temperature of homopolymer of about −50° C. or less, and (meth)acrylate having a hydroxyl group; and an epoxy silane coupling agent, wherein a variation of the shear strain rate of equation 1 is about 10% or less for the adhesive film.

公开(公告)号：US20210332273A1

公开(公告)日：2021-10-28

申请号：US17284133

申请日：2019-06-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Sung Hyun MUN ,  Ji Ho KIM ,  Ji Won KANG ,  Il Jin KIM ,  Kyoung Gon PARK ,  Gwang Hwan LEE ,  Jin Young LEE ,  Jae Hyun HAN

IPC: C09J133/08 ,  C09J11/06 ,  C09J7/10 ,  C09J7/38

Abstract: The present invention provides: a porous adhesive film which is formed from an adhesive composition including (meth)acrylic copolymers having hydroxyl groups and alkylene glycol groups, and which has a modulus of less than approximately 30 kPa at 25° C. and a peel strength of approximately 700 gf/in or greater at 25° C.; an optical member comprising same; and an optical display device comprising same.