公开(公告)号：US12297331B2

公开(公告)日：2025-05-13

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: C08J7/04 ,  C08J5/18 ,  C08J7/046 ,  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：US12215063B2

公开(公告)日：2025-02-04

申请号：US17913758

申请日：2021-03-23

Applicant: LG CHEM, LTD.

Inventor： Sunmin Kim ,  Wanpyo Hong ,  Woochul Lee ,  Kyung Seok Jeong ,  Woo Han Kim

IPC: C07B59/00 ,  C07C1/32 ,  C07C15/28

Abstract: A method for preparing a deuterated compound, and a composition including the deuterated compound are provided. The method comprises preparing a compound of Chemical Formula 2 by reacting a compound of Chemical Formula 1; a deuterium source; and a metal catalyst, and forming a compound of Chemical Formula 3 by using the compound of Chemical Formula 2:

公开(公告)号：US12151456B2

公开(公告)日：2024-11-26

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 ,  B32B27/08 ,  B32B27/36 ,  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：US10759966B1

公开(公告)日：2020-09-01

申请号：US16511794

申请日：2019-07-15

Applicant: LG CHEM, LTD.

Inventor： Ha Neul Kim ,  Eun Seon Lee ,  Seungil Baek ,  Woo Han Kim

IPC: B32B7/02 ,  C09D183/06 ,  H01L27/32 ,  G02B1/14 ,  C09D5/00

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.

公开(公告)号：US20230331639A1

公开(公告)日：2023-10-19

申请号：US17913758

申请日：2021-03-23

Applicant: LG CHEM, LTD.

Inventor： Sunmin Kim ,  Wanpyo Hong ,  Woochul Lee ,  Kyung Seok Jeong ,  Woo Han Kim

IPC: C07B59/00

CPC classification number: C07B59/001 ,  C07B2200/05

Abstract: A method for preparing a deuterated compound, and a composition including the deuterated compound are provided. The method comprises preparing a compound of Chemical Formula 2 by reacting a compound of Chemical Formula 1; a deuterium source; and a metal catalyst, and forming a compound of Chemical Formula 3 by using the compound of Chemical Formula 2:

公开(公告)号：US11709294B2

公开(公告)日：2023-07-25

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

CPC classification number: G02B1/14 ,  C09D5/00 ,  C09D5/002 ,  C09D127/18 ,  C09D133/062 ,  C09D183/06 ,  G02B1/18 ,  G02B5/305

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.