公开(公告)号：US11067847B2

公开(公告)日：2021-07-20

申请号：US15744035

申请日：2016-09-13

Applicant: LG CHEM, LTD.

Inventor： Hanna Lee ,  Kyungki Hong ,  Yeongrae Chang

IPC: G02F1/1335 ,  G02B1/04 ,  G02B1/14 ,  G02F1/13357 ,  G02B5/22 ,  G02B5/30

Abstract: The present specification relates to a wide color gamut film including a transparent substrate; a wide color gamut layer provided on one surface of the transparent substrate, and including a compound including a photocurable functional group and a dye or a pigment having a maximum absorption wavelength of 580 nm to 610 nm; a surface layer provided on the wide color gamut layer, wherein the transparent substrate, the wide color gamut layer and the surface layer are consecutively laminated, and a polarizing plate and a liquid crystal display device including the same.

公开(公告)号：US12169298B2

公开(公告)日：2024-12-17

申请号：US16760528

申请日：2019-03-06

Applicant: LG CHEM, LTD.

Inventor： Jung Hyun Seo ,  Kyungki Hong ,  Yeongrae Chang ,  Jin Young Park

IPC: G02B5/30 ,  G02B1/14 ,  G02F1/1335 ,  G02F1/13363

Abstract: The present invention relates to a polarizing plate including: a polarizer; a first hard coating layer positioned on the polarizer and containing binder resin including (meth) acrylate-based (co) polymer; a light transmitting substrate positioned on the first hard coating layer, having retardation of 3000 nm or more, and having in-plane birefringence; and a second hard coating layer positioned on the light transmitting substrate and including a binder resin, and solid-type inorganic nanoparticles dispersed in the binder resin, wherein the degree of a angle formed by the slow axis of the light transmitting substrate and the absorption axis of the polarizer is 5 to 85°, and an image display device including the same.

公开(公告)号：US11686967B2

公开(公告)日：2023-06-27

申请号：US16757741

申请日：2019-02-27

Applicant: LG CHEM, LTD.

Inventor： Byung Mook Kim ,  Sunghak Bae ,  Do Ki Chang ,  Kyungki Hong ,  Dae Hee Lee ,  Sangcholl Han ,  Youngjin Kim

IPC: G02F1/1335

CPC classification number: G02F1/133502 ,  G02F1/133528

Abstract: The present specification relates to a viewing angle compensation film, a polarizing plate including the same, and a display device including the same, and the viewing angle compensation film includes: a pattern layer; and a low refractive layer, in which a difference in refractive index between the pattern layer and the low refractive layer is 0.02 to 0.4, the pattern layer includes: a first surface which comprises a flat surface; and a second surface which faces the first surface and includes multiple protruding portions, each of the protruding portions includes a first inclined surface and a second inclined surface, an angle θ1 between the first surface and the first inclined surface or a surface extending from the first inclined surface and an angle θ2 between the first surface and the second inclined surface or a surface extending from the second inclined surface are different from each other, and an angle θ between the first inclined surface or the surface extending from the first inclined surface and the second inclined surface or the surface extending from the second inclined surface is 20° to 60°, such that there is an effect of improving a contrast ratio and a viewing angle.

公开(公告)号：US10739636B2

公开(公告)日：2020-08-11

申请号：US16082882

申请日：2017-04-28

Applicant: LG CHEM, LTD.

Inventor： Hanna Lee ,  Hye Min Kim ,  Hyun Sam Son ,  Kyungki Hong ,  Yeongrae Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  B32B27/30 ,  G02B5/30 ,  G02B1/14 ,  G02B1/16

Abstract: The present application relates to a polarizing plate and a liquid crystal display device including the same.