公开(公告)号：US20190077916A1

公开(公告)日：2019-03-14

申请号：US16126250

申请日：2018-09-10

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

Inventor： A Ra JO ,  Chanjae AHN ,  Sungwon CHOI ,  Won Suk CHANG ,  Boreum JEONG

IPC: C08G73/14 ,  C08J5/18 ,  B29C41/00 ,  B29C41/46

Abstract: A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, 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：US20180355108A1

公开(公告)日：2018-12-13

申请号：US16003651

申请日：2018-06-08

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

Inventor： A Ra JO ,  Chanjae AHN ,  Sungwon CHOI ,  Sun Jin SONG ,  Boreum JEONG ,  Won Suk CHANG

IPC: C08G73/10 ,  C08J5/18

CPC classification number: C08G73/1067 ,  C08J5/18 ,  C08J2379/08 ,  G02F1/133305

Abstract: A film comprising a polyimide or poly(imide-amide) copolymer, wherein the film has an amplitude of a surface roughness curve of less than or equal to 270 nanometers.

公开(公告)号：US20170267821A1

公开(公告)日：2017-09-21

申请号：US15479532

申请日：2017-04-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Won CHOI ,  Chan Jae AHN ,  Sung Woo HONG ,  Won Suk CHANG ,  A Ra JO

IPC: C08J5/18 ,  C08G73/14 ,  C08G73/10 ,  C09D179/08

CPC classification number: C08J5/18 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/105 ,  C08G73/1067 ,  C08G73/1071 ,  C08G73/14 ,  C08J2379/08 ,  C09D179/08

Abstract: A method of producing a polyimide film, including obtaining a polyamic acid including a repeating unit of Chemical Formula 1: wherein Ar1 and Ar2 are described in the specification; imidizing the polyamic acid to obtain a partially imidized polyimide; determining a sub-Tg temperature of the partially imidized polyimide; and heating the partially imidized polyimide in at least two steps to obtain a polyimide film, wherein a step transition temperature range is within the sub-Tg temperature ±30° C.

公开(公告)号：US20170218200A1

公开(公告)日：2017-08-03

申请号：US15419019

申请日：2017-01-30

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

Inventor： Chanjae AHN ,  Sungwon CHOI ,  Byunghee SOHN ,  A Ra JO ,  Kyeong-sik JU ,  Sang Soo JEE ,  Hongkyoon CHOI

IPC: C08L79/08 ,  C08G73/10 ,  C08G73/14

Abstract: A composition for preparing an article including a polyimide or poly(imide-amide) copolymer, the composition including (1) a solution including at least one of (i) a polymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2; and (ii) a copolymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and a structural unit represented by Chemical Formula 3, and (2) a metallic salt soluble in the solution of the polymer and/or the copolymer, wherein the metallic salt is a salt of a metal selected from a Group 1 element, a Group 11 element, a Group 13 element, and a Group 14 element: wherein in Chemical Formulae 1 to 3, A, B, D, and E are the same as defined in the detailed description.

公开(公告)号：US20250051640A1

公开(公告)日：2025-02-13

申请号：US18797872

申请日：2024-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Soo Kyung KWON ,  Seungrim YANG ,  A Ra JO ,  Seon-Yeong KIM ,  Nayoun WON ,  Jun Ho LEE ,  Mi Hye LIM

IPC: C09K11/62 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  G02F1/13357 ,  H10K59/38

Abstract: A semiconductor nanoparticle, a method of manufacturing the semiconductor nanoparticle, and an electronic device including the nanoparticle are provided. The semiconductor nanoparticle includes silver, indium, gallium, and sulfur, wherein the semiconductor nanoparticle is configured to emit a green light, wherein the semiconductor nanoparticle has a relative mole value of zinc as defined by Equation 1 that is greater than or equal to about 0.25 and less than or equal to about 0.9: Relative ⁢ mole ⁢ value ⁢ of ⁢ zinc = [ Zn ] / ( [ Ag ] + [ In ] + [ Ga ] + [ Zn ] ) Equation ⁢ 1 wherein, in Equation 1, [Ag], [In], [Ga], and [Zn] are molar amounts of the silver, the indium, the gallium, and the zinc in the semiconductor nanoparticle, respectively, and wherein a mole ratio of gallium to indium is greater than about 2.5:1 and less than about 5.6:1.

公开(公告)号：US20230295493A1

公开(公告)日：2023-09-21

申请号：US18185789

申请日：2023-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nayoun WON ,  Tae-Gon KIM ,  Minho KIM ,  Shang Hyeun PARK ,  Seungrim YANG ,  Jun Ho LEE ,  Shin Ae JUN ,  Yebin JUNG ,  A Ra JO

IPC: C09K11/62 ,  C09K11/02 ,  H10K59/38 ,  H01L33/50

CPC classification number: C09K11/623 ,  C09K11/02 ,  H10K59/38 ,  H01L33/502 ,  H10K59/12

Abstract: A color conversion panel, comprising a color conversion layer comprising a color conversion region and optionally a partition wall defining each region of the color conversion layer, wherein the color conversion region comprises a first region corresponding to a first pixel, the first region comprises a first composite, the first composite comprises a matrix and a semiconductor nanoparticle, wherein the semiconductor nanoparticle is dispersed in the matrix, the semiconductor nanoparticle comprises silver, a Group 13 metal, zinc, and a chalcogen element, the semiconductor nanoparticle emits a first light, the Group 13 metal is indium, gallium, aluminum, or a combination thereof, the chalcogen element is sulfur, selenium, or a combination thereof, and in the semiconductor nanoparticle, a mole ratio of zinc to a total sum of silver, Group 13 metal, and zinc is greater than or equal to about 0.01:1.

公开(公告)号：US20230295491A1

公开(公告)日：2023-09-21

申请号：US18185810

申请日：2023-03-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： A Ra JO ,  Nayoun WON ,  Yebin JUNG ,  Minho KIM ,  Tae-Gon KIM ,  Seungrim YANG ,  Shin Ae JUN

IPC: C09K11/62 ,  C09K11/02 ,  H01L33/50

CPC classification number: C09K11/621 ,  C09K11/02 ,  H01L33/502 ,  B82Y20/00

Abstract: A semiconductor nanoparticle, and a method for producing the semiconductor nanoparticle, and a composite, a color conversion panel, and a display panel including the semiconductor nanoparticle. The semiconductor nanoparticle includes silver, a Group 13 metal including indium and gallium, and a chalcogen element including sulfur and optionally selenium, the semiconductor nanoparticle is configured to emit a green light with an emission peak wavelength of 500 nanometers to 580 nanometers, and a full width at half maximum of about 5 nm to about 70 nm. The semiconductor nanoparticle exhibits a quantum yield of greater than or equal to about 50%, and includes a mole ratio (In+Ga):Ag of about 1:1 to about 3.5:1.

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：US20170183462A1

公开(公告)日：2017-06-29

申请号：US15292654

申请日：2016-10-13

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

Inventor： Sun Jin SONG ,  Changae AHN ,  A Ra JO ,  Seung Bum Joseph CHUN

IPC: C08J5/18 ,  C08J7/04 ,  C09J7/02 ,  C08G73/14

CPC classification number: C08J5/18 ,  C08G73/14 ,  C08J7/04 ,  C08J2379/08 ,  C09J7/25 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2205/114 ,  C09J2477/006 ,  C09J2479/086 ,  G02F2001/133331

Abstract: A poly(amide-imide) copolymer film having a compressive modulus of greater than or equal to about 1.8 gigaPascals and a yellowness index of less than or equal to about 3, when measured according to an ASTM E313 standard.