Patents by Inventor Woo-Han Kim

Woo-Han Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12215063
    Abstract: A method for preparing a deuterated compound, and a composition including the deuterated compound are provided.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: February 4, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Sunmin Kim, Wanpyo Hong, Woochul Lee, Kyung Seok Jeong, Woo Han Kim
  • Patent number: 12151456
    Abstract: The present disclosure relates to a hard coating laminate having an internal bending property and an external bending property including: a supporting substrate layer containing a thermoplastic resin; and a hard coating layer having a thickness of 50 to 240 ?m, wherein the hard coating layer includes a cured product of a resin composition including a siloxane resin having a predetermined glycidoxypropyl modified silicone structure and an elastomeric polymer.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: November 26, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Eun Seon Lee, Ha Neul Kim, Seungil Baek, Woo Han Kim
  • Publication number: 20240208991
    Abstract: Provided is a novel compound of Chemical Formula 1 or Chemical Formula 2: wherein X1 and X2 are each independently O or S; each R1 is independently hydrogen, deuterium, a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O, and S; L is a direct bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing any one or more of N, O, and S; and Z is the following Chemical Formula 3 or Chemical Formula 4: wherein each A is independently a substituted or unsubstituted C6-60 aromatic ring or C2-60 heteroaromatic ring containing any one or more of N, O, and S fused with an adjacent five-membered ring; and the other substituents are as defined in the specification; and an organic light emitting device including the same.
    Type: Application
    Filed: August 4, 2022
    Publication date: June 27, 2024
    Inventors: Minjun KIM, Young Seok KIM, Dong Hoon LEE, Sang Duk SUH, Woo Han KIM
  • Publication number: 20240083865
    Abstract: Provided is a method for preparing a deuterated anthracene compound, the method including synthesizing a deuterated anthracene compound by reacting a halogenated benzene having at least one deuterium with an enolate. Also provided is a reaction composition; a deuterated anthracene compound; and a composition containing the deuterated anthracene compound.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 14, 2024
    Inventors: Changyoung JUNG, Sunmin KIM, Woochul LEE, Kyung Seok JEONG, Woo Han KIM, Changmin KIM
  • Publication number: 20240002312
    Abstract: Provided is a method for preparing a deuterated anthracene compound, the method including synthesizing a deuterated anthracene compound by reacting a halogenated benzene having at least one deuterium with a compound of Chemical Formula 1: wherein Ar1 is deuterium, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and Ar2 is hydrogen, deuterium, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group. Also provided are a reaction composition, a deuterated anthracene compound, and a composition containing the deuterated anthracene compound.
    Type: Application
    Filed: January 21, 2022
    Publication date: January 4, 2024
    Inventors: Sunmin KIM, Kyung Seok JEONG, Woo Han KIM, Changyoung JUNG
  • Publication number: 20230331639
    Abstract: A method for preparing a deuterated compound, and a composition including the deuterated compound are provided.
    Type: Application
    Filed: March 23, 2021
    Publication date: October 19, 2023
    Inventors: Sunmin Kim, Wanpyo Hong, Woochul Lee, Kyung Seok Jeong, Woo Han Kim
  • Patent number: 11709294
    Abstract: The present disclosure provides an optical laminate which exhibits improved adhesive strength and scratch resistance together with excellent hardness and fingerprint resistance properties, by further including a fingerprint-resistant layer including an organosilane having excellent adhesion strength with the hard coating layer and an anti-fouling function on the hard coating layer including the transparent support substrate layer and the hard coating layer.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: July 25, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Ha Neul Kim, Eun Seon Lee, Seungil Baek, Se Jeong Kim, Woo Han Kim, Yeongkyu Choi
  • Publication number: 20220220308
    Abstract: The polyamide-imide block copolymer according to the present invention makes it possible to provide a polyamide-imide film having excellent thermal stability and chemical resistance and, at the same time, having excellent mechanical properties.
    Type: Application
    Filed: April 9, 2020
    Publication date: July 14, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Gieun PARK, Jae Gu LIM, Yoon Bin LIM, Tae Seob LEE, Seung Joon LIM, Se Jeong KIM, Woo Han KIM
  • Publication number: 20210246265
    Abstract: The present disclosure relates to a poly(amide-imide) copolymer in which at least one of an imide repeating unit and an amide repeating unit is substituted with a specific functional group, and a composition and a polymer film comprising the same.
    Type: Application
    Filed: January 9, 2020
    Publication date: August 12, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Tae Seob LEE, Yoon Bin LIM, Jae Gu LIM, Seung Joon LIM, Se Jeong KIM, Woo Han KIM, Gieun PARK
  • Publication number: 20210245483
    Abstract: The present disclosure relates to a hard coating laminate having an internal bending property and an external bending property including: a supporting substrate layer containing a thermoplastic resin; and a hard coating layer having a thickness of 50 to 240 ?m, wherein the hard coating layer includes a cured product of a resin composition including a siloxane resin having a predetermined glycidoxypropyl modified silicone structure and an elastomeric polymer.
    Type: Application
    Filed: October 25, 2019
    Publication date: August 12, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun Seon LEE, Ha Neul KIM, Seungil BAEK, Woo Han KIM
  • Publication number: 20210115210
    Abstract: Provided is a hard coating film exhibiting improved flexibility and curling properties together with excellent hardness property, the hard coating film including a top coating layer and a bottom coating layer each disposed on the top surface and the bottom surface of a support substrate layer, wherein the top coating layer includes a cured product of a first resin composition containing epoxy polysiloxane of the following Chemical Formula 1, and the bottom coating layer includes a cured product of a second resin composition containing epoxy polysiloxane of the following Chemical Formula 1 and an elastomer at a weight ratio of 95:5 to 60:40: (R1SiO3/2)a(R2SiO3/2)b(OR)c ??[Chemical Formula 1] wherein in Chemical Formula 1, R1, R2, R, a, b, and c are the same as defined in the specification.
    Type: Application
    Filed: April 29, 2019
    Publication date: April 22, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Seungil BAEK, Eun Seon LEE, Ha Neul KIM, Woo Han KIM
  • Publication number: 20210072427
    Abstract: The present disclosure provides an optical laminate which exhibits improved adhesive strength and scratch resistance together with excellent hardness and fingerprint resistance properties, by further including a fingerprint-resistant layer including an organosilane having excellent adhesion strength with the hard coating layer and an anti-fouling function on the hard coating layer including the transparent support substrate layer and the hard coating layer.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Ha Neul KIM, Eun Seon LEE, Seungil BAEK, Se Jeong KIM, Woo Han KIM, Yeongkyu CHOI
  • Patent number: 10822449
    Abstract: Provided are a low temperature curing composition, a cured film obtained by curing the composition, and an electronic device comprising the cured film, wherein the composition comprises: (A) an epoxy group-containing siloxane compound represented by Chemical Formula 1: (R1R2R3SiO1/2)M(R4R5SiO2/2)D1(R6SiO3/2)T1(R7R8SiO2/2)D2(R9SiO3/2)T2??[Chemical Formula 1] (In Chemical Formula 1, each of R1 to R9 is an organic group independently selected from a substituted or unsubstituted monovalent aliphatic hydrocarbon group of C1 to C6, a substituted or unsubstituted monovalent cycloaliphatic hydrocarbon group of C6 to C20, a substituted or unsubstituted monovalent aromatic hydrocarbon group of C6 to C20, and an epoxy-substituted monovalent organic group, at least one of R1 to R6 is an epoxy-substituted monovalent organic group, 0?M<1, 0?D1<1, 0<T?1, 0?D2<1, 0?T2<1, and M+D1+T1+D2+T2=1, wherein each of the structural units represented by M, D1, T1, D2, and T2 can include one or more types of different s
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: November 3, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Doori Song, Woo Han Kim, Dongju Shin, Hong Jeong Yu, Jiho Lee
  • Patent number: 10759966
    Abstract: The present disclosure relates to an optical laminate including: a supporting substrate layer; and a hard coating layer located on at least one surface of the supporting substrate layer and including a cured product of a hard coating composition, wherein the hard coating composition includes: a polysiloxane including 70 mol % or more of a structural unit containing a glycidyl group-containing functional group; an elastomer; and a reactive monomer containing at least one functional group capable of cross-linking with the polysiloxane, and the elastomer is contained in an amount of 5 to 80 parts by weight based on 100 parts by weight of the polysiloxane. The present disclosure also relates to a flexible display apparatus including the above optical laminate.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: September 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Ha Neul Kim, Eun Seon Lee, Seungil Baek, Woo Han Kim
  • Patent number: 10427944
    Abstract: A composition for forming a silica based layer, the composition including a silicon-containing polymer having polydispersity ranging from about 3.0 to about 30 and a solvent, and having viscosity ranging from about 1.30 centipoise (cps) to about 1.80 cps at 25° C. Also, a silica based layer is formed of the composition, and an electronic device includes the silica based layer.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: October 1, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Young Jang, Taek-Soo Kwak, Woo-Han Kim, Hui-Chan Yun, Jin-Hee Bae, Bo-Sun Kim, Yoong-Hee Na, Sae-Mi Park, Han-Song Lee, Wan-Hee Lim
  • Patent number: 10106687
    Abstract: A composition for forming a silica layer includes a silicon-containing polymer and a mixed solvent including at least two solvents, wherein the mixed solvent has a surface tension of about 5 mN/m to about 35 mN/m at a temperature of about 25° C.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 23, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Junyoung Jang, Huichan Yun, Woo Han Kim, Kunbae Noh, Eunseon Lee, Taeksoo Kwak, Jingyo Kim, Haneul Kim, Yoong Hee Na, Jin-Hee Bae, Jinwoo Seo, Byeonggyu Hwang
  • Patent number: 10020185
    Abstract: A composition for forming a silica layer including a silicon-containing polymer having a weight average molecular weight of about 20,000 to about 70,000 and a polydispersity index of about 5.0 to about 17.0 and a solvent; a silica layer manufactured using the same; and an electronic device including the silica layer.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: July 10, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hui-Chan Yun, Woo-Han Kim, Sang-Ran Koh, Taek-Soo Kwak, Bo-Sun Kim, Jin-Gyo Kim, Yoong-Hee Na, Kun-Bae Noh, Sae-Mi Park, Jin-Hee Bae, Jun Sakong, Eun-Seon Lee, Wan-Hee Lim, Jun-Young Jang, Il Jung, Byeong-Gyu Hwang
  • Publication number: 20180162989
    Abstract: Provided are a low temperature curing composition, a cured film obtained by curing the composition, and an electronic device comprising the cured film, wherein the composition comprises: (A) an epoxy group-containing siloxane compound represented by Chemical Formula 1: (R1R2R3SiO1/2)M(R4R5SiO2/2)D1(R6SiO3/2)T1(R7R8SiO2/2)D2(R9SiO3/2)T2 ??[Chemical Formula 1] (In Chemical Formula 1, each of R1 to R9 is an organic group independently selected from a substituted or unsubstituted monovalent aliphatic hydrocarbon group of C1 to C6, a substituted or unsubstituted monovalent cycloaliphatic hydrocarbon group of C6 to C20, a substituted or unsubstituted monovalent aromatic hydrocarbon group of C6 to C20, and an epoxy-substituted monovalent organic group, at least one of R1 to R6 is an epoxy-substituted monovalent organic group, 0?M<1, 0?D1<1, 0<T?1, 0?D2<1, 0?T2<1, and M+D1+T1+D2+T2=1, wherein each of the structural units represented by M, D1, T1, D2, and T2 can include one or more types of different
    Type: Application
    Filed: August 1, 2016
    Publication date: June 14, 2018
    Inventors: Doori SONG, Woo Han KIM, Dongju SHIN, Hong Jeong YU, Jiho LEE
  • Patent number: 9957418
    Abstract: A composition for forming a silica layer includes a silicon-containing polymer and a solvent, wherein the silicon-containing polymer has a total sum of Si—H integral values in a 1H-NMR spectrum of less than or equal to about 12. The sum of the Si—H integral values is calculated under conditions described in the specification.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: May 1, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eun-Seon Lee, Woo-Han Kim, Hui-Chan Yun, Jin-Hee Bae, Byeong-Gyu Hwang
  • Patent number: 9902855
    Abstract: Disclosed are a curable polysiloxane composition for an optical device including at least one kind of a first siloxane compound represented by Chemical Formula 1, at least one kind of a second siloxane compound having hydrogen bound to silicon (Si—H) at the terminal end, and at least one kind of a third siloxane compound having an alkenyl group bound to silicon (Si-Vi) at the terminal end, an encapsulating material obtained by curing the curable polysiloxane composition for an optical device, and an optical device including the encapsulating material. (R1R2R3SiO1/2)M1(R4R5SiO2/2)D1(L1-O)D2(L2-O)D3(R6R7SiO2/2)D4(L3-O-L4-O)D5(R8SiO2/2—Y1—SiO2/2R9)D6(R10R11Si—Y2)D7(R12SiO3/2)T1(R13SiO3/2)T2(SiO3/2—Y3—SiO3/2)T3(SiO4/2)Q1??[Chemical Formula 1] In Chemical Formula 1, R1 to R13, Y1 to Y3, M1, D1 to D7, T1 to T3 and Q1 are the same as defined in the specification.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: February 27, 2018
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hong-Jung Yoo, Young-Ho Kim, Woo-Han Kim, Dong-Ju Shin, Dong-II Han