公开(公告)号：US20210333627A1

公开(公告)日：2021-10-28

申请号：US17268319

申请日：2020-01-21

Applicant: LG Chem, Ltd.

Inventor： Sunghak Bae ,  Sangcholl Han ,  Byung Mook Kim ,  Dae Hee Lee ,  Youngjin Kim

IPC: G02F1/1335

Abstract: The present specification relates to a film for compensating for a viewing angle, which comprises a base substrate; a pattern layer; and an optical layer, and in which the pattern layer has a first surface comprising a flat surface and a second surface facing the first surface, and the second surface comprises a plurality of protrusions comprising a curved surface, thereby improving a contrast ratio and a viewing angle and decreasing a color band phenomenon, and a polarizing plate comprising the same, and a display device comprising the same.

公开(公告)号：US12053073B2

公开(公告)日：2024-08-06

申请号：US16980289

申请日：2019-04-09

Applicant: LG CHEM, LTD.

Inventor： Pilsung Jo ,  Jin Suk Song ,  Sangcholl Han ,  Ki Hwan Kim ,  Yong Chan Kim ,  Nansra Heo ,  Jeong Woo Shon

IPC: B44F1/08 ,  A45D33/18 ,  A45D34/00 ,  A45D40/00 ,  B29C45/00 ,  B29C45/26 ,  B32B3/30 ,  B32B7/023 ,  B32B15/08 ,  B32B27/06 ,  B44F1/02 ,  C01B21/082 ,  C08J7/04 ,  G02B5/00 ,  G02B5/22 ,  B29C45/16 ,  B29K101/00 ,  B65D1/02 ,  C23C14/00

CPC classification number: A45D33/18 ,  A45D34/00 ,  A45D40/00 ,  B29C45/0001 ,  B29C45/26 ,  B32B3/30 ,  B32B7/023 ,  B32B15/08 ,  B32B27/06 ,  B44F1/02 ,  B44F1/08 ,  C01B21/0825 ,  C08J7/0423 ,  G02B5/003 ,  G02B5/223 ,  A45D2034/007 ,  A45D2040/0012 ,  A45D2200/053 ,  B29C45/1679 ,  B29K2101/00 ,  B29K2901/12 ,  B29K2995/002 ,  B32B2255/28 ,  B32B2307/4026 ,  B32B2307/416 ,  B32B2439/40 ,  B32B2451/00 ,  B65D1/0207 ,  C08J2367/02 ,  C23C14/0036

Abstract: The present application relates to a decoration member including a pattern layer provided on one surface of the substrate and including a convex structure or a concave structure arranged two-dimensionally, and a method for preparing the decoration member.

公开(公告)号：US09699898B2

公开(公告)日：2017-07-04

申请号：US14913939

申请日：2014-12-26

Applicant: LG CHEM, LTD.

Inventor： Sunghak Bae ,  Jinyong Lee ,  Sangcholl Han

IPC: H05K1/00 ,  H05K1/02 ,  G06F3/041 ,  H01L51/44 ,  H05K3/00 ,  H05K3/10 ,  G06F3/044

CPC classification number: H05K1/0296 ,  G06F3/041 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04111 ,  G06F2203/04112 ,  H01L51/445 ,  H05K3/0011 ,  H05K3/10 ,  Y02E10/549 ,  Y02P70/521

Abstract: The present invention provides a conductive film including a plurality of groove units of which horizontal sections are formed in a lattice form, and a plurality of cells that are regions surrounded by the groove units, wherein at least a part of the groove unit include a conductive pattern formed through separation by a separation unit, and a method for preparing the same.

公开(公告)号：US12138957B2

公开(公告)日：2024-11-12

申请号：US16960371

申请日：2019-01-08

Applicant: LG CHEM, LTD.

Inventor： Jin Suk Song ,  Sangcholl Han ,  Yong Chan Kim ,  Nansra Heo ,  Jeong Woo Shon ,  Pilsung Jo

IPC: B44F1/02 ,  B44F1/08

Abstract: Provided is a decorative member including a substrate and a decorative layer provided on the substrate, wherein the decorative member has a depth parameter value δ1m represented by Formula 1 of 0.15 or more.

公开(公告)号：US20210053389A1

公开(公告)日：2021-02-25

申请号：US16980289

申请日：2019-04-09

Applicant: LG CHEM, LTD.

Inventor： Pilsung Jo ,  Jin Suk Song ,  Sangcholl Han ,  Ki Hwan Kim ,  Yong Chan Kim ,  Nansra Heo ,  Jeong Woo Shon

IPC: B44F1/08 ,  G02B5/00 ,  B44F1/02 ,  C01B21/082

Abstract: The present application relates to a decoration member including a pattern layer provided on one surface of the substrate and including a convex structure or a concave structure arranged two-dimensionally, and a method for preparing the decoration member.

公开(公告)号：US11932001B2

公开(公告)日：2024-03-19

申请号：US16981110

申请日：2019-06-17

Applicant: LG CHEM, LTD.

Inventor： Jin Suk Song ,  Jungdoo Kim ,  Sangcholl Han ,  Song Ho Jang ,  Ki Hwan Kim ,  Pilsung Jo

IPC: B32B7/023 ,  A45C11/00 ,  A45D33/18 ,  A45D34/00 ,  G02B5/18

CPC classification number: B32B7/023 ,  A45C11/00 ,  A45D33/18 ,  A45D34/00 ,  G02B5/1842 ,  A45D2034/007 ,  B32B2307/416 ,  B32B2451/00

Abstract: This specification relates to a decoration member including: a substrate; and a decoration layer provided on the substrate in which there are one or more combinations of viewing angles θ and φ in which a contrast parameter Cn represented by Equation 1 is 0.1 or more.

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：US11579484B2

公开(公告)日：2023-02-14

申请号：US17268319

申请日：2020-01-21

Applicant: LG Chem, Ltd.

Inventor： Sunghak Bae ,  Sangcholl Han ,  Byung Mook Kim ,  Dae Hee Lee ,  Youngjin Kim

IPC: G02F1/1335

Abstract: The present specification relates to a film for compensating for a viewing angle, which comprises a base substrate; a pattern layer; and an optical layer, and in which the pattern layer has a first surface comprising a flat surface and a second surface facing the first surface, and the second surface comprises a plurality of protrusions comprising a curved surface, thereby improving a contrast ratio and a viewing angle and decreasing a color band phenomenon, and a polarizing plate comprising the same, and a display device comprising the same.

公开(公告)号：US11376888B2

公开(公告)日：2022-07-05

申请号：US16465106

申请日：2018-03-06

Applicant: LG CHEM, LTD.

Inventor： Eun Byurl Cho ,  Yong Chan Kim ,  Jeong Woo Shon ,  Pilsung Jo ,  Nansra Heo ,  Jin Suk Song ,  Sangcholl Han ,  Song Ho Jang ,  Ki Hwan Kim

IPC: B44F1/10 ,  C23C14/20 ,  C23C14/24 ,  C23C14/34 ,  B32B7/023 ,  B32B3/26 ,  B32B27/16 ,  B32B27/20 ,  B32B33/00 ,  G02B5/22 ,  B32B15/04 ,  B32B27/00

Abstract: The present disclosed relates to a decoration element and a method for preparing the decoration element. decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.

公开(公告)号：US20210333451A1

公开(公告)日：2021-10-28

申请号：US16981110

申请日：2019-06-17

Applicant: LG CHEM, LTD.

Inventor： Jin Suk Song ,  Jungdoo Kim ,  Sangcholl Han ,  Song Ho Jang ,  Ki Hwan Kim ,  Pilsung Jo

IPC: G02B5/18 ,  G02B5/00 ,  G02B5/20 ,  A45D33/18 ,  A45D34/00 ,  A45C11/00

Abstract: This specification relates to a decoration member including: a substrate; and a decoration layer provided on the substrate in which there are one or more combinations of viewing angles θ and φ in which a contrast parameter Cn represented by Equation 1 is 0.1 or more.