公开(公告)号：US20230174471A1

公开(公告)日：2023-06-08

申请号：US18055959

申请日：2022-11-16

Applicant: Samsung Electronics Co., Ltd. ,  INHA Industry Partnership Institute

Inventor： Chanjae AHN ,  Myungwoong KIM ,  Yoonhyun KWAK ,  Sol AN

IPC: C07C321/14 ,  C08G75/14

CPC classification number: C07C321/14 ,  C08G75/14

Abstract: An acetal-based compound represented by Formula 1, an acetal-based prepolymer, an acetal-based polymer, and a photoresist composition including the same






wherein in Formula 1, R1 to R10, G, a, and b are as defined in the detailed description, and * indicates a linking site.

公开(公告)号：US20210032420A1

公开(公告)日：2021-02-04

申请号：US16943166

申请日：2020-07-30

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

Inventor： Boreum JEONG ,  Chanjae AHN ,  Hye Young KONG ,  Sun Jin SONG ,  A Ra JO ,  Kyeong-sik JU

IPC: C08J5/18 ,  B32B27/08 ,  B32B27/34 ,  B32B27/28 ,  B32B7/023

Abstract: A laminated film which includes a first layer including a poly(amide-imide) copolymer, and a second layer laminated on at least one surface of the first layer. The second layer includes a poly(amide-imide) copolymer, polyimide, or a combination thereof, which has an amide content of less than or equal to about 30 mol %. The poly(amide-imide) copolymer included in the first layer has a weight average molecular weight of about 30,000 grams/mole to about 200,000 grams/mole, and the polyimide, the poly(amide-imide) copolymer, or the combination thereof, of the second layer has a weight average molecular weight of about 10,000 grams/mole to about 50,000 grams/mole, and the composition for preparing the laminated film.

公开(公告)号：US20190077917A1

公开(公告)日：2019-03-14

申请号：US16126270

申请日：2018-09-10

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

Inventor： Boreum JEONG ,  Sang Soo JEE ,  Won Suk CHANG ,  Kyeong-sik JU ,  Chanjae AHN ,  A Ra JO ,  Sungwon CHOI

IPC: C08G73/14 ,  C08J5/18 ,  G02B1/14

Abstract: A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted aromatic diamine having a maximum absorption wavelength in a range from 500 nanometers (nm) to 650 nm in a visible light region, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.

公开(公告)号：US20170106636A1

公开(公告)日：2017-04-20

申请号：US15212785

申请日：2016-07-18

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

Inventor： A Ra JO ,  Chanjae AHN ,  Sungwon CHOI ,  Byunghee SOHN ,  Seung Bum Joseph CHUN ,  Sung Woo HONG ,  Junghwa KIM ,  Da Eun YU

IPC: B32B27/34 ,  B32B27/38 ,  B32B27/28

CPC classification number: B32B27/34 ,  B32B7/04 ,  B32B27/08 ,  B32B27/281 ,  B32B27/308 ,  B32B27/38 ,  B32B27/40 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/24 ,  B32B2255/00 ,  B32B2307/40 ,  B32B2307/412 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/584 ,  B32B2307/732 ,  B32B2451/00 ,  B32B2457/00 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/204 ,  B32B2457/206

Abstract: A window for a display device including: a plastic substrate including a poly(imide-amide) copolymer, which is a reaction product of a reagent combination of 4,4′-hexafluoroisopropylidene diphthalic anhydride, 3,3′,4,4′-biphenyltetracarboxylic dianhydride, 2,2′-bis-trifluoromethyl-4,4′-biphenyldiamine, and terephthaloyl chloride, and a hard coating layer disposed on at least one side of the plastic substrate, wherein the plastic substrate has pencil scratch hardness of greater than or equal to 3H when measured according to an ASTM D3363 standard at a vertical load of about 0.5 kilograms, and a peak intensity ratio A2/A1 of a peak intensity A2 at a position of about 23.5° in 2θ to a peak intensity A1 at a position of about 15.5° in 2θ of an X-ray diffraction spectrum is greater than or equal to about 0.8.

公开(公告)号：US20160237214A1

公开(公告)日：2016-08-18

申请号：US14879287

申请日：2015-10-09

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

Inventor： Sung Woo HONG ,  Byung-hee SOHN ,  Sun Jin SONG ,  Chanjae AHN ,  Kyeong-sik JU ,  Sungwon CHOI

IPC: C08G73/22

CPC classification number: C08G73/22 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/1085 ,  C08G73/14

Abstract: A composition for preparing poly(imide-benzoxazole) copolymer is described, where the copolymer include: a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and a diamine represented by Chemical Formula 3: wherein definitions of groups and variables in Chemical Formulae 1 to 3 are the same as described in the specification.

Abstract translation: 描述了用于制备聚（酰亚胺 - 苯并恶唑）共聚物的组合物，其中共聚物包括：由化学式1表示的四羧酸二酐，由化学式2表示的二胺和由化学式3表示的二胺：其中基团 并且化学式1至3中的变量与说明书中描述的相同。