公开(公告)号：US20140072730A1

公开(公告)日：2014-03-13

申请号：US14010274

申请日：2013-08-26

Applicant: LG Chem, Ltd.

Inventor： Seung-Yeon HWANG ,  Sung-Ho CHUN ,  Dong-Woo YOO ,  Hyeong-Bin JANG

IPC: G02F1/1337

CPC classification number: G02F1/133723 ,  B32B27/281 ,  B32B2457/202 ,  C08G73/10 ,  C08G73/1007 ,  C08G73/1042 ,  C08G73/1085 ,  C08G73/12 ,  C08J2379/08 ,  Y10T428/1005 ,  Y10T428/1023

Abstract: Disclosed therein are a photoalignment polyimide copolymer making it easier to form a liquid crystal alignment layer with excellences in alignment properties, thermal and structural stabilities, and adhesiveness to a substrate, and a liquid crystal alignment layer using the same. The photoalignment polyimide copolymer includes all the three types of repeating units each having a defined structure.

Abstract translation: 其中公开了一种光取向聚酰亚胺共聚物，其使得更容易形成具有取向性，热和结构稳定性以及与基材的粘附性的液晶取向层以及使用其的液晶取向层。 光取向聚酰亚胺共聚物包括所有三种类型的各自具有限定结构的重复单元。

公开(公告)号：US20140002785A1

公开(公告)日：2014-01-02

申请号：US13685151

申请日：2012-11-26

Applicant: LG CHEM, LTD.

Inventor： Dai-Seung CHOI ,  Dong-Woo YOO ,  Sung-Ho CHUN ,  Mi-Ra HONG ,  Jeong-Yoon HAN ,  Hyeong-Bin JANG

IPC: G02F1/1337 ,  G02B5/30

CPC classification number: G02F1/133711 ,  C09K19/2014 ,  C09K19/24 ,  C09K19/3491 ,  C09K19/56 ,  C09K2019/0448 ,  C09K2019/3425 ,  C09K2219/03 ,  G02B5/3016 ,  G02F1/1334 ,  G02F1/133788 ,  G02F2001/133726 ,  Y10T428/1005

Abstract: The present invention relates to a photo-curable composition that can provide a film, etc. showing excellent optical anisotropy even without need for separately forming a liquid crystal layer and an alignment layer, an optical anisotropic film using the same, and its preparation method. The photo-curable composition comprises a photo-alignable polymer, a noncrosslinkable liquid crystal compound and a photo-curable binder.

Abstract translation: 本发明涉及即使不需要分别形成液晶层和取向层也可以提供显示出优异的光学各向异性的膜等的光固化性组合物，使用其的光学各向异性膜及其制备方法。 光固化性组合物包含光可校正聚合物，不可交联的液晶化合物和光固化性粘合剂。

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：US20140295097A1

公开(公告)日：2014-10-02

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: G02F1/1337

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.

公开(公告)号：US20140049739A1

公开(公告)日：2014-02-20

申请号：US13966908

申请日：2013-08-14

Applicant: LG CHEM, LTD.

Inventor： Seung-Yeon HWANG ,  Sung-Ho CHUN ,  Dong-Woo YOO

IPC: G02F1/1337

CPC classification number: G02F1/133711 ,  C09K19/38 ,  C09K19/56 ,  C09K2019/0448 ,  G02F1/133788 ,  G02F2001/133726 ,  Y10T428/1005

Abstract: The present invention relates to a photoalignment layer, for example, a liquid crystal alignment layer, which is able to realize the wide viewing angle and contrast ratio characteristics of a photopolymerizable alignment layer, and to facilitate interaction with the liquid crystal layer, thereby improving alignment stability and reducing image sticking, and a liquid crystal cell including the same. The liquid crystal alignment layer includes a photo-alignment layer including a photo-alignment polymer having at least partially photo-aligned photoreactive groups; and a mesogen layer including a cured product of a reactive mesogen that is liquid crystal-aligned by the photo-aligned photoreactive group, in which the photo-alignment polymer include a norbornene-based polymer having a particular structure.

Abstract translation: 本发明涉及能够实现光聚合取向层的宽视角和对比度特性的光取向层，例如液晶取向层，并且促进与液晶层的相互作用，从而改善对准 稳定性和减少图像残留，以及包括其的液晶单元。 液晶取向层包括具有至少部分光取向光反应性基团的光取向聚合物的光取向层; 以及包含由光取向光反应性基团液晶取向的反应性液晶元的固化物的液晶层，其中光取向聚合物包括具有特定结构的降冰片烯系聚合物。