公开(公告)号：US20240053523A1

公开(公告)日：2024-02-15

申请号：US18353480

申请日：2023-07-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sung Man CHO ,  Seung Jun LEE ,  Seon Oh HWANG ,  Kwang Ho SHIN ,  Han Saem KANG ,  Do Won KIM

IPC: G02B5/30 ,  G02B1/14

CPC classification number: G02B5/305 ,  G02B1/14

Abstract: A polarizing plate and an optical display apparatus including the same are disclosed. A polarizing plate includes a polarizer and a protective film formed on a surface of the polarizer, wherein the polarizer has a thickness of 10 μm or less and the polarizing plate has a coefficient of thermal expansion (CTE) of 100 μm/(m·° C.) or less, as measured in a machine direction of the polarizer after application of heat shock conditions.

公开(公告)号：US20150055219A1

公开(公告)日：2015-02-26

申请号：US14461863

申请日：2014-08-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Won KIM ,  Yi Eun KIM ,  Yoo Jin SUH ,  Seung Jun LEE ,  Ha Yun CHO ,  In Cheon HAN

IPC: C09J133/14 ,  G02B5/30

CPC classification number: G02B5/3083 ,  C08F220/18 ,  C08F220/28 ,  C09J4/00 ,  C09J133/066 ,  G02B5/3025 ,  G02B5/3033 ,  C08F2220/281 ,  C08F2220/1825 ,  C08F220/20 ,  C08F220/06

Abstract: An adhesive film for a polarizing plate includes a functional group represented by Formula 1: wherein * represents a binding site; A is a C1 to C20 aliphatic hydrocarbon group; B is —O—, —S—, a C1 to C20 aliphatic hydrocarbon group, or a single bond; R2 is a C1 to C20 aliphatic hydrocarbon group; and n is an integer from 1 to 5.

Abstract translation: 用于偏振片的粘合膜包括由式1表示的官能团：其中*表示结合位点; A为C1〜C20脂肪族烃基; B为-O-，-S-，C1〜C20脂肪族烃基或单键; R2是C1-C20脂族烃基; n为1〜5的整数。

公开(公告)号：US20250128310A1

公开(公告)日：2025-04-24

申请号：US18631394

申请日：2024-04-10

Applicant: SAMSUNG SDI CO. LTD.

Inventor： Hee Taek LIM ,  Yong Seung SHIN ,  Jun Haeng CHO ,  Sung Kyun JUNG ,  Seung Jun LEE

IPC: B21D28/26 ,  H01M4/04

Abstract: A device for manufacturing a battery, the device including a lower die configured to support an electrode, an upper die above the lower die and connected to the lower die while vertically spaced therefrom, a lift configured to move the upper die upward or downward, a punch on the upper die and inserted into the lower die to perform machining of the electrode, a sensor configured to detect a state of the punch, a controller configured to receive a detection signal of the sensor and monitor an insertion amount of the punch and a corrector configured to correct a height of the punch according to a control signal of the controller.

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：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：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/□).

公开(公告)号：US20190225845A1

公开(公告)日：2019-07-25

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 ,  G02B1/14 ,  G02B5/30

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：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.