公开(公告)号：US20210163684A1

公开(公告)日：2021-06-03

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 ,  C08G75/0268 ,  C08G75/0222 ,  G02B1/04

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：US20200033510A1

公开(公告)日：2020-01-30

申请号：US16591085

申请日：2019-10-02

Applicant: LG CHEM, LTD.

Inventor： Hye Min KIM ,  Yeong Rae CHANG ,  Heon KIM

IPC: G02B1/14 ,  G02B5/30 ,  C09D133/14 ,  C09D133/06 ,  B32B7/02 ,  B05D1/40 ,  B05D3/06 ,  B32B37/00 ,  C08J5/18

Abstract: The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, a polarizing plate including the same, and a preparation method of a polarizing plate, and, more specifically, to a resin composition for a polarizer protective film and a polarizer protective film exhibiting high hardness and excellent properties, a polarizing plate including the same, and a preparation method of a polarizing plate. According to the polarizing plate of the present invention, it can be usefully utilized in various fields because of its excellent hardness, flexibility, and optical properties.

公开(公告)号：US20190317404A1

公开(公告)日：2019-10-17

申请号：US16343153

申请日：2018-09-11

Applicant: LG CHEM, LTD.

Inventor： Seok Hoon JANG ,  Heon KIM ,  Yongjoon HEO ,  Se Hyun KWON ,  Yeong Rae CHANG

IPC: G03F7/075 ,  C08F2/50 ,  C08K5/541 ,  C08L33/06 ,  C08L43/04 ,  G03F7/00 ,  G03F7/004 ,  G03F7/033 ,  G03H1/02

Abstract: A photopolymer composition comprising a polymer matrix or a precursor thereof including a reaction product between (i) a (meth)acrylate-based (co)polymer in which a silane-based functional group is located in a branched chain and an equivalent weight of the silane-based functional group is 300 g/eq to 2000 g/eq, and (ii) a linear silane crosslinking agent; a photoreactive monomer; and a photoinitiator, a hologram recording medium using the same, an optical element using the hologram recording medium, and a holographic recording method. The photopolymer composition can more easily provide a photopolymer layer having improved durability against temperature and humidity while having a large refractive index modulation value.

公开(公告)号：US20180088264A1

公开(公告)日：2018-03-29

申请号：US15566134

申请日：2016-09-22

Applicant: LG CHEM, LTD.

Inventor： Jung Hyun SEO ,  Yeong Rae CHANG ,  Heon KIM ,  Hye Min KIM

IPC: G02B5/30 ,  C08J5/18 ,  C08F220/34

Abstract: The present invention relates to a polarizer protective film comprising a binder resin layer in which a poly(C2-4 alkylene glycol)-modified polyfunctional urethane (meth)acrylate-based polymer and a bifunctional or higher polyfunctional (meth)acrylate-based compound form a cross-linked bond, a polarizing plate comprising the polarizer protective film and a method for preparing a polarizing plate comprising forming the polarizer protective film.

公开(公告)号：US20160054481A1

公开(公告)日：2016-02-25

申请号：US14780957

申请日：2014-03-27

Applicant: LG CHEM, LTD

Inventor： Hye Min KIM ,  Yeong Rae CHANG ,  Heon KIM

IPC: G02B1/14 ,  B29C65/78 ,  B29B13/08 ,  B29C65/00 ,  G02B5/30 ,  C09D133/14

CPC classification number: G02B1/14 ,  B05D1/40 ,  B05D3/067 ,  B29B13/08 ,  B29K2633/08 ,  B29K2995/0034 ,  B29L2011/0066 ,  B29L2031/3475 ,  B32B7/02 ,  B32B37/025 ,  C08J5/18 ,  C09D133/064 ,  C09D133/066 ,  C09D133/14 ,  G02B5/305

Abstract: The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, a polarizing plate including the same, and a preparation method of a polarizing plate, and, more specifically, to a resin composition for a polarizer protective film and a polarizer protective film exhibiting high hardness and excellent properties, a polarizing plate including the same, and a preparation method of a polarizing plate. According to the polarizing plate of the present invention, it can be usefully utilized in various fields because of its excellent hardness, flexibility, and optical properties.

公开(公告)号：US20160032137A1

公开(公告)日：2016-02-04

申请号：US14777038

申请日：2014-03-13

Applicant: LG CHEM, LTD.

Inventor： Joon Koo KANG ,  Yeong Rae CHANG ,  Sung Don HONG ,  Heon KIM ,  Hye Min KIM

IPC: C09D135/02 ,  C08K3/36

CPC classification number: C09D135/02 ,  C08J3/24 ,  C08J3/243 ,  C08J7/04 ,  C08J7/047 ,  C08J2400/208 ,  C08J2400/21 ,  C08J2400/24 ,  C08J2433/04 ,  C08J2451/00 ,  C08K3/36 ,  C09D7/40 ,  C09D133/14 ,  C08K3/00

Abstract: The present invention relates to a plastic film. More particularly, the present invention relates to a plastic film which exhibits high hardness, self-healing property and excellent processability. The plastic film of the present invention exhibits high hardness, self-healing property, scratch resistance, high transparency, durability, light resistance, light transmittance or the like, and thus can be applied to various fields.

Abstract translation: 本发明涉及一种塑料薄膜。 更具体地说，本发明涉及一种具有高硬度，自愈性和优异加工性能的塑料薄膜。 本发明的塑料薄膜具有高硬度，自愈性，耐刮擦性，高透明性，耐久性，耐光性，透光性等，因此可以应用于各种领域。

公开(公告)号：US20140213815A1

公开(公告)日：2014-07-31

申请号：US14227878

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: 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，含有该降冰片烯衍生物的液晶取向膜，以及包含该降冰片烯单体的液晶显示装置。 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：US20130216817A1

公开(公告)日：2013-08-22

申请号：US13841308

申请日：2013-03-15

Applicant: LG CHEM, LTD.

Inventor： Heon KIM ,  Yeong-Rae CHANG ,  Joon-Koo KANG ,  Jae-Pil KOO

IPC: G02B1/11

CPC classification number: G02B1/11 ,  B05D3/067 ,  B05D5/063 ,  B32B7/02 ,  B32B27/14 ,  C08J5/18 ,  C08J7/042 ,  C08J2301/12 ,  G02B1/10 ,  G02B1/105 ,  G02B1/111 ,  G02B1/115 ,  G02B1/14 ,  G02B5/0236 ,  G02B5/0247 ,  G02B5/24 ,  G02B2207/107 ,  Y10T428/249958 ,  Y10T428/249961 ,  Y10T428/249971 ,  Y10T428/249972 ,  Y10T428/249974 ,  Y10T428/249978 ,  Y10T428/31909

Abstract: The present invention relates to an anti-reflective coating film. This anti-reflective coating film shows more improved interface adhesion and scratch resistance, which can be manufactured by a simple process.

Abstract translation: 抗反射涂膜技术领域本发明涉及抗反射涂膜。 这种抗反射涂膜显示出更好的界面附着性和耐划伤性，可以通过简单的工艺制造。