公开(公告)号：US20210245483A1

公开(公告)日：2021-08-12

申请号：US16973339

申请日：2019-10-25

Applicant: LG CHEM, LTD.

Inventor： Eun Seon LEE ,  Ha Neul KIM ,  Seungil BAEK ,  Woo Han KIM

IPC: B32B27/28 ,  B32B27/36 ,  B32B27/08 ,  C08G77/14 ,  C08G77/20

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 μm, 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.

公开(公告)号：US20240083865A1

公开(公告)日：2024-03-14

申请号：US18265754

申请日：2022-01-28

Applicant: LG CHEM, LTD.

Inventor： Changyoung JUNG ,  Sunmin KIM ,  Woochul LEE ,  Kyung Seok JEONG ,  Woo Han KIM ,  Changmin KIM

IPC: C07D307/91 ,  C07B59/00 ,  C07C15/28 ,  C07D209/86 ,  C07D307/77 ,  C07D493/04 ,  H10K85/60

CPC classification number: C07D307/91 ,  C07B59/001 ,  C07B59/002 ,  C07C15/28 ,  C07D209/86 ,  C07D307/77 ,  C07D493/04 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/11

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.

公开(公告)号：US20210115210A1

公开(公告)日：2021-04-22

申请号：US17041121

申请日：2019-04-29

Applicant: LG CHEM, LTD.

Inventor： Seungil BAEK ,  Eun Seon LEE ,  Ha Neul KIM ,  Woo Han KIM

IPC: C08J7/046 ,  C08J7/04 ,  C08J5/18 ,  C08J7/16

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.

公开(公告)号：US20240002312A1

公开(公告)日：2024-01-04

申请号：US18039774

申请日：2022-01-21

Applicant: LG CHEM, LTD.

Inventor： Sunmin KIM ,  Kyung Seok JEONG ,  Woo Han KIM ,  Changyoung JUNG

IPC: C07B59/00 ,  C07C15/28 ,  C07C1/00 ,  C07D307/91 ,  C07D209/86 ,  C07C17/06 ,  C07C25/22 ,  C07D307/77 ,  C07D493/04

CPC classification number: C07B59/002 ,  C07B59/001 ,  C07C15/28 ,  C07C1/00 ,  C07D307/91 ,  C07D209/86 ,  C07C17/06 ,  C07C25/22 ,  C07D307/77 ,  C07D493/04 ,  C07B2200/05 ,  C07C2603/24

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.

公开(公告)号：US20210246265A1

公开(公告)日：2021-08-12

申请号：US17053260

申请日：2020-01-09

Applicant: LG CHEM, LTD.

Inventor： Tae Seob LEE ,  Yoon Bin LIM ,  Jae Gu LIM ,  Seung Joon LIM ,  Se Jeong KIM ,  Woo Han KIM ,  Gieun PARK

IPC: C08G73/14 ,  C08G73/12 ,  C08J5/18

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.

公开(公告)号：US20210072427A1

公开(公告)日：2021-03-11

申请号：US17101967

申请日：2020-11-23

Applicant: LG CHEM, LTD.

Inventor： Ha Neul KIM ,  Eun Seon LEE ,  Seungil BAEK ,  Se Jeong KIM ,  Woo Han KIM ,  Yeongkyu CHOI

IPC: G02B1/14 ,  C09D5/00 ,  C09D183/06 ,  C09D127/18 ,  C09D133/06 ,  G02B1/18 ,  G02B5/30

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.

公开(公告)号：US20240208991A1

公开(公告)日：2024-06-27

申请号：US18278828

申请日：2022-08-04

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Young Seok KIM ,  Dong Hoon LEE ,  Sang Duk SUH ,  Woo Han KIM

IPC: C07D498/04 ,  C07D513/04 ,  C07D519/00 ,  H10K50/11 ,  H10K85/60

CPC classification number: C07D498/04 ,  C07D513/04 ,  C07D519/00 ,  H10K50/11 ,  H10K85/656 ,  H10K85/6572

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.

公开(公告)号：US20220220308A1

公开(公告)日：2022-07-14

申请号：US17432886

申请日：2020-04-09

Applicant: LG CHEM, LTD.

Inventor： Gieun PARK ,  Jae Gu LIM ,  Yoon Bin LIM ,  Tae Seob LEE ,  Seung Joon LIM ,  Se Jeong KIM ,  Woo Han KIM

IPC: C08L79/08 ,  C08G73/10 ,  C08G73/14 ,  C08G73/12

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.