公开(公告)号：US09701861B2

公开(公告)日：2017-07-11

申请号：US14777379

申请日：2014-03-13

Applicant: LG CHEM, LTD.

Inventor： Joon Koo Kang ,  Yeong Rae Chang ,  Heon Kim ,  Han Na Lee

IPC: C09D133/08 ,  C08J7/04 ,  C09D133/04 ,  C09D135/02 ,  C09D175/04 ,  G02B1/10 ,  C08K3/22 ,  C08K3/36

CPC classification number: C09D133/08 ,  C08J7/04 ,  C08K3/22 ,  C08K3/36 ,  C08K2003/2227 ,  C08K2003/2237 ,  C08K2003/2296 ,  C09D133/04 ,  C09D135/02 ,  C09D175/04 ,  G02B1/10

Abstract: Disclosed is a plastic film which exhibits high hardness and processability without the problems of curling, warping and cracking.

公开(公告)号：US09151989B2

公开(公告)日：2015-10-06

申请号：US14227904

申请日：2014-03-27

Applicant: LG CHEM, LTD.

Inventor： Dai-Seung Choi ,  Heon Kim ,  Sung-Ho Chun ,  Sung-Joon Oh ,  Dong-Woo Yoo ,  Yu-Chan Kang

IPC: C08J7/18 ,  G02F1/1337 ,  C07C51/567 ,  C07C69/618 ,  C07C69/734 ,  C08F132/08 ,  C07C57/50

CPC classification number: G02F1/13378 ,  C07C51/567 ,  C07C57/50 ,  C07C69/618 ,  C07C69/734 ,  C07C2602/42 ,  C08F132/08 ,  G02F1/133711 ,  G02F1/133788 ,  Y10T428/10 ,  Y10T428/1005 ,  C07C61/29

Abstract: The present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same. and a liquid crystal display device including the same. More particularly, the present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same, which have an alignment property by photoreaction, excellent thermal stability and photoreactivity, the increased photo-reaction rate and reliability of the alignment film, thereby showing high manufacturing process efficiency.

Abstract translation: 本发明涉及降冰片烯单体，聚降冰片烯衍生物，含有它的液晶取向膜。 以及包括该液晶显示装置的液晶显示装置。 更具体地，本发明涉及降冰片烯单体，聚降冰片烯衍生物，包含该降冰片烯单体的液晶取向膜和包含该降冰片烯衍生物的液晶取向膜，以及具有该降冰片烯单体的液晶显示装置，其具有通过光反应的取向性，优异的热稳定性和光反应性 提高了取向膜的光反应速度和可靠性，从而显示出高的制造工艺效率。

公开(公告)号：US20150218323A1

公开(公告)日：2015-08-06

申请号：US14422421

申请日：2014-05-09

Applicant: LG CHEM, LTD.

Inventor： Heon Kim ,  Yeong Rae Chang ,  Hye Min Kim ,  Young Suk Kim

IPC: C08J5/18 ,  H01L51/00 ,  H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3244 ,  C08J7/047 ,  C08J2303/02 ,  C08J2333/08 ,  C08J2333/14 ,  C08J2363/00 ,  C08J2367/02 ,  C08J2367/04 ,  C08J2375/04 ,  C08J2400/21 ,  H01L27/32 ,  H01L51/0097 ,  H01L51/5221 ,  H01L51/5253 ,  H01L2251/5338 ,  Y02E10/549 ,  Y10T428/10 ,  Y10T428/1086

Abstract: The present invention relates to a polymer film containing a binder resin and polyrotaxane having a specific structure, and a flexible light emitting element display device and a rollable display device including the coating film.

Abstract translation: 本发明涉及含有具有特定结构的粘合剂树脂和聚轮烷​​的聚合物膜，以及包括该涂膜的柔性发光元件显示装置和可滚动显示装置。

公开(公告)号：US08814370B2

公开(公告)日：2014-08-26

申请号：US13842351

申请日：2013-03-15

Applicant: LG Chem, Ltd.

Inventor： Heon Kim ,  Yeong-Rae Chang ,  Joon-Koo Kang ,  Jae-Pil Koo

IPC: C09D4/02 ,  G02B1/11 ,  B32B27/12 ,  C09D7/12 ,  B32B7/02

CPC classification number: C09D5/006 ,  C08F222/1006 ,  C08F2220/343 ,  C08K3/36 ,  C08K7/26 ,  C09D7/61 ,  C09D7/67 ,  C09D7/70 ,  G02B1/11 ,  Y10T428/249971 ,  Y10T428/249972

Abstract: The present invention relates to an anti-reflective coating composition that can be used to form at least two layers by a single coating process and is allowed to provide an anti-reflective coating film having more improved interface adhesion between the formed layers and scratch resistance, and an anti-reflective coating film manufactured using the same.

Abstract translation: 本发明涉及一种抗反射涂料组合物，其可用于通过单次涂布方法形成至少两层，并且允许提供具有更好改进的形成层之间的界面粘合性和抗划伤性的抗反射涂膜， 以及使用其制造的抗反射涂膜。

公开(公告)号：US11945914B2

公开(公告)日：2024-04-02

申请号：US17263065

申请日：2020-05-19

Applicant: LG CHEM, LTD.

Inventor： Heon Kim ,  Hee Jung Choi ,  Yeongrae Chang

IPC: C08G75/06 ,  C08G75/0222 ,  C08G75/0268 ,  G02B1/04

CPC classification number: C08G75/06 ,  C08G75/0222 ,  C08G75/0268 ,  G02B1/041

Abstract: A curable composition for forming a high refractive index optical material including an episulfide compound, a cyclic disulfide compound, and a reducing agent, and an optical material comprising a cured product of the curable composition.

公开(公告)号：US11851515B2

公开(公告)日：2023-12-26

申请号：US17280077

申请日：2020-06-29

Applicant: LG CHEM, LTD.

Inventor： Seokhoon Jang ,  Heon Kim ,  Se Hyun Kwon ,  Yeongrae Chang

IPC: G03H1/02 ,  C08F2/50 ,  C08F220/20 ,  C08F283/12 ,  G03F7/032

CPC classification number: C08F283/128 ,  C08F2/50 ,  G03H1/02 ,  C08F220/20 ,  G03H2001/0216 ,  G03H2001/0264 ,  G03H2210/10 ,  G03H2260/12

Abstract: The present disclosure relates to a photopolymer composition including a polymer matrix or a precursor thereof having a predetermined chemical structure; a photoreactive monomer; and a photoinitiator, a hologram recording medium, an optical element and a holographic recording method using the same.

公开(公告)号：US11827731B2

公开(公告)日：2023-11-28

申请号：US17260760

申请日：2020-01-10

Applicant: LG CHEM, LTD.

Inventor： Seokhoon Jang ,  Heon Kim ,  Se Hyun Kwon ,  Yeongrae Chang

IPC: C08F263/04 ,  C08K5/02 ,  C08K5/521 ,  C08L31/04

CPC classification number: C08F263/04 ,  C08K5/02 ,  C08K5/521 ,  C08L31/04

Abstract: The present disclosure relates to a photopolymer composition for hologram production comprising a polymer matrix or a precursor thereof having a glass transition temperature of 80° C. or less; a photoreactive monomer; a low refractive index fluorine-based compound; and a photoinitiator, a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the hologram recording medium.

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：US11307494B2

公开(公告)日：2022-04-19

申请号：US16764421

申请日：2019-09-10

Applicant: LG CHEM, LTD.

Inventor： Heon Kim ,  Seokhoon Jang ,  Se Hyun Kwon ,  Yeongrae Chang ,  Jinseok Byun

IPC: G03F7/00 ,  G03F7/033 ,  G03F7/027 ,  G03H1/02 ,  G11B7/24044 ,  C08F220/18

Abstract: The present disclosure relates to a hologram medium comprising: a polymer substrate including a polymer resin in which a silane-based functional group is located in a main chain or a branched chain, wherein a fine pattern is formed on at least one surface of the polymer substrate, and an optical element.

公开(公告)号：US11226557B2

公开(公告)日：2022-01-18

申请号：US16607588

申请日：2018-12-07

Applicant: LG CHEM, LTD.

Inventor： Seokhoon Jang ,  Hyunsup Lee ,  Heon Kim ,  Se Hyun Kwon ,  Yeongrae Chang

IPC: G03F7/004 ,  G03H1/02 ,  C08L51/08 ,  C08L83/12 ,  G03F7/00 ,  C08L75/04

Abstract: The present disclosure relates to a hologram recording medium having a main relaxation temperature (Tr) of 0° C. or less, wherein the Tr is a point where a rate of change of phase angle with respect to temperature is the largest in a range of −80° C. to 30° C. in dynamic mechanical analysis. The present disclosure also relates to an optical element including the same and a holographic recording method using the hologram recording medium.