公开(公告)号：US11535711B2

公开(公告)日：2022-12-27

申请号：US16891328

申请日：2020-06-03

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

Inventor： Byunghee Sohn ,  Sungwon Choi ,  Sun Jin Song ,  Chanjae Ahn

IPC: C08G73/14 ,  C08L79/08 ,  C09D179/08

Abstract: A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a tetracarboxylic acid dianhydride including a compound represented by Chemical Formula 2, and a compound represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 4, R1 to R4, A, and X are the same as defined in the specification.

公开(公告)号：US10809421B2

公开(公告)日：2020-10-20

申请号：US15714436

申请日：2017-09-25

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

Inventor： Sun Jin Song ,  Sang Soo Jee ,  Boreum Jeong ,  Hyunjeong Jeon ,  Chanjae Ahn

IPC: G02B1/14 ,  C08G73/14 ,  C08G69/32 ,  C08G73/10 ,  C08G69/42 ,  C08G69/26 ,  C08G69/40 ,  C09D179/08 ,  C08J5/18 ,  C08J7/04 ,  G02B1/04 ,  G02F1/1333 ,  G02B5/20

Abstract: A stacked transparent film includes a polymer film including at least one of an amide structural unit and an imide structural unit, wherein the polymer film has a refractive index of about 1.65 to about 1.75 at a 550 nanometer wavelength and an elastic modulus of greater than or equal to about 5.5 gigapascals; and at least one of a first coating layer on a first side of the polymer film and a second coating layer on a side opposite the first side of the polymer film.

公开(公告)号：US09914811B2

公开(公告)日：2018-03-13

申请号：US14980699

申请日：2015-12-28

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

Inventor： Sun Jin Song ,  Chanjae Ahn ,  Kyeong-sik Ju ,  Jungha Chae ,  Sungwoo Hong

IPC: C08G73/14 ,  C08J7/04 ,  G02B1/04 ,  G02B1/12 ,  G02B1/14

CPC classification number: C08J7/047 ,  C08G73/14 ,  C08J2369/00 ,  C08J2379/08 ,  C08J2400/21 ,  C08J2433/06 ,  C08J2463/00 ,  C08J2467/04 ,  C08J2475/04 ,  C08J2483/04 ,  G02B1/04 ,  G02B1/14

Abstract: A window for a display device including a plastic substrate having yield strain of greater than or equal to about 0.8% at about 85 degrees Celsius and 85% relative humidity and a hard coating layer disposed on at least one side of the plastic substrate.