公开(公告)号：US12153239B2

公开(公告)日：2024-11-26

申请号：US15734379

申请日：2020-01-10

Applicant: LG CHEM, LTD.

Inventor： Min Soo Kim ,  Jaehoon Shim ,  Jung Hyun Seo ,  Jae Pil Koo ,  Joo Jong Moon ,  Jaeyoung Kim

IPC: G02B5/30 ,  G02B1/04 ,  G02B1/113 ,  G02F1/1335

Abstract: The present disclosure provides a polarizing plate comprising: a polarizer; an optical laminate formed on one side of the polarizer and containing a polymer substrate and an antiglare layer; and a thermoplastic resin layer formed on the other side of the polarizer and containing a (meth)acrylate resin, and a liquid crystal panel and a display device including the polarizing plate.

公开(公告)号：US11945969B2

公开(公告)日：2024-04-02

申请号：US16964374

申请日：2019-09-19

Applicant: LG CHEM, LTD.

Inventor： Hanna Lee ,  Jung Hyun Seo ,  Yeongrae Chang ,  Jaeyoung Kim ,  Intaek Song

IPC: C09D5/00 ,  C08J7/04 ,  C09D7/40 ,  C09D133/10 ,  G02B1/111 ,  G02B1/14

CPC classification number: C09D5/006 ,  C08J7/042 ,  C09D7/69 ,  C09D133/10 ,  G02B1/111 ,  G02B1/14 ,  C08J2367/02 ,  C08J2433/10

Abstract: The present invention relates to an anti-glare film including: a light-transmitting substrate; and a hard coating layer containing a binder resin and inorganic fine particles dispersed in the binder resin, wherein the anti-glare film has a specific reflection intensity ratio (R), and a polarizing plate and a display device including the anti-glare film.

公开(公告)号：US12078777B2

公开(公告)日：2024-09-03

申请号：US17047489

申请日：2019-11-14

Applicant: LG CHEM, LTD.

Inventor： Jaeyoung Kim ,  Yeongrae Chang ,  Jung Hyun Seo ,  Min Soo Kim ,  Intaek Song

IPC: G02B1/111 ,  G02B1/11 ,  G02B1/14 ,  G02B5/30 ,  G02F1/1335

CPC classification number: G02B1/111 ,  G02B1/11 ,  G02B1/14 ,  G02B5/3025 ,  G02F1/133528 ,  C09K2323/03 ,  G02F1/133502 ,  C09J133/04 ,  C08L33/12 ,  C08F222/103 ,  C08F220/20

Abstract: The present disclosure provides an optical laminate including a polymer substrate and an antiglare layer, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.

公开(公告)号：US11860340B2

公开(公告)日：2024-01-02

申请号：US15734476

申请日：2020-01-08

Applicant: LG CHEM, LTD.

Inventor： Min Soo Kim ,  Jung Hyun Seo ,  Jaehoon Shim ,  Jae Pil Koo ,  Hyung Oh Lim ,  Jaeyoung Kim

IPC: G02B1/14 ,  B32B7/12 ,  B32B27/18 ,  B32B27/30 ,  G02B5/02 ,  G02B1/11

CPC classification number: G02B1/14 ,  B32B7/12 ,  B32B27/18 ,  B32B27/308 ,  G02B1/11 ,  G02B5/0242 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/42 ,  B32B2307/584 ,  B32B2307/732

Abstract: The present disclosure provides an optical laminate including: a polymer substrate containing a polymer resin and rubber particles having a cross-sectional diameter of 10 to 500 nm dispersed in the polymer resin; and an antiglare layer containing a binder resin and organic fine particles, nano-inorganic particles and chain-shaped silica dispersed in the binder resin, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.

公开(公告)号：US11815759B2

公开(公告)日：2023-11-14

申请号：US16964724

申请日：2019-10-11

Applicant: LG CHEM, LTD.

Inventor： Intaek Song ,  Jung Hyun Seo ,  Hanna Lee ,  Yeongrae Chang ,  Jaeyoung Kim

IPC: G02F1/1335 ,  G02B1/14 ,  G02B1/111 ,  G02B1/11 ,  G02B5/30

CPC classification number: G02F1/133528 ,  G02B1/11 ,  G02B1/111 ,  G02B1/14 ,  G02B5/3033 ,  G02F1/133502 ,  C09K2323/03

Abstract: The present disclosure relates to a polarizing plate including: a polarizer, and a first hard coating layer having a thickness of 10 um or less and an anti-reflection film which are positioned so as to face each other around the polarizer, wherein the anti-reflection film includes a light-transmitting substrate and a second hard coating layer, and wherein a ratio (a/b) of a transmittance (a) at a wavelength of 400 nm of the second hard coating layer to the transmittance (b) at a wavelength of 500 nm of the second hard coating layer is 0.95 or less, or 0.85 to 0.95.

公开(公告)号：US20220204767A1

公开(公告)日：2022-06-30

申请号：US17601909

申请日：2020-05-21

Applicant: LG CHEM, LTD.

Inventor： Hee Jung Choi ,  Yeongrae Chang ,  Heon Kim ,  Hye Min Kim ,  Youngsuk Kim ,  Jaeyoung Kim ,  Soonhwa Jung

IPC: C08L81/02 ,  C08G75/06 ,  G02B1/04

Abstract: A curable composition for forming a high refractive index optical material, the curable composition including an episulfide compound, a thiol compound and an aromatic ring compound containing two or more hydroxyl groups, and an optical material including a cured product of the curable composition.

公开(公告)号：US20220315707A1

公开(公告)日：2022-10-06

申请号：US17608719

申请日：2020-08-13

Applicant: LG CHEM, LTD.

Inventor： Jaeyoung Kim ,  Hee Jung Choi ,  Yeongrae Chang ,  Heon Kim ,  Hye Min Kim ,  Youngsuk Kim ,  Soonhwa Jung

IPC: C08G75/08 ,  G02B5/18 ,  C08L81/02 ,  B29C43/00 ,  B29C43/02

Abstract: A diffraction light guide plate comprising an optical layer having diffraction lattice pattern formed as an integrated structure without an interface on one surface thereof, where the optical layer having diffraction lattice pattern is a continuous phase of polymer comprising an episulfide compound, a thiol compound, and an aromatic cyclic compound having two or more hydroxyl groups, the diffraction light guide plate having excellent thickness uniformity and flatness as well as low haze and excellent visibility, and excellent mechanical properties such as pencil hardness and strength, and a method for manufacturing the diffraction light guide plate.

公开(公告)号：US20210294041A1

公开(公告)日：2021-09-23

申请号：US17263084

申请日：2020-04-20

Applicant: LG CHEM, LTD.

Inventor： Jaeyoung Kim ,  Youngsuk Kim ,  Soonhwa Jung ,  Yeongrae Chang

IPC: G02B6/34 ,  G02B1/04 ,  B29D11/00 ,  C08G18/75 ,  C08G18/38

Abstract: A diffraction light guide plate having excellent thickness uniformity and flatness, and having low haze, and excellent mechanical properties such as pencil hardness and strength at the same time, and a method for manufacturing the diffraction light guide plate.

公开(公告)号：US12104057B2

公开(公告)日：2024-10-01

申请号：US17601909

申请日：2020-05-21

Applicant: LG CHEM, LTD.

Inventor： Hee Jung Choi ,  Yeongrae Chang ,  Heon Kim ,  Hye Min Kim ,  Youngsuk Kim ,  Jaeyoung Kim ,  Soonhwa Jung

IPC: C08L81/02 ,  C08G75/06 ,  G02B1/04

CPC classification number: C08L81/02 ,  C08G75/06 ,  G02B1/041

Abstract: A curable composition for forming a high refractive index optical material, the curable composition including an episulfide compound, a thiol compound and an aromatic ring compound containing two or more hydroxyl groups, and an optical material including a cured product of the curable composition.

公开(公告)号：US20220204701A1

公开(公告)日：2022-06-30

申请号：US17604253

申请日：2020-05-21

Applicant: LG CHEM, LTD.

Inventor： Hee Jung Choi ,  Heon Kim ,  Jaeyoung Kim

IPC: C08G75/14 ,  G02B1/04

Abstract: A curable composition comprising an episulfide compound represented by Chemical Formula 1 and an aromatic ring compound containing two or more hydroxyl groups represented by Chemical Formula 2 or 3, and an optical material including a cured product of the curable composition.