公开(公告)号：US10312480B2

公开(公告)日：2019-06-04

申请号：US14780808

申请日：2014-06-18

Applicant: LG CHEM, LTD.

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

IPC: H01M2/02 ,  B32B27/08 ,  B32B27/18 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B32B15/08 ,  B32B15/20

Abstract: A cell packing material and a method of manufacturing the same are provided. More particularly, a cell packing material including a sealant layer, a gas barrier layer formed on the sealant layer, and an outer layer formed on the gas barrier layer, the outer layer including a polyrotaxane-based compound, and a method of manufacturing the same are provided. The cell packing material includes the outer layer having excellent elongation, scratch resistance, and chemical resistance, and thus can be easily molded into a pouch, and exhibit improved durability, and the like.

公开(公告)号：US10302833B2

公开(公告)日：2019-05-28

申请号：US15547034

申请日：2016-02-01

Applicant: LG CHEM, LTD.

Inventor： Sung Hyun Nam ,  Kyung Ki Hong ,  Eung Jin Jang ,  Yeong Rae Chang ,  Heon Kim ,  Kyun Il Rah ,  Jong Hyun Jung ,  Byung Sun Lee ,  Hong Jun Choi ,  Moon Soo Park ,  Sun Kug Kim

IPC: G02F1/1335 ,  G02B5/30

Abstract: The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.

公开(公告)号：US09318541B2

公开(公告)日：2016-04-19

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 ,  Soon-Hwa Jung

IPC: C09K19/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  C08J7/04

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.

公开(公告)号：US11549025B2

公开(公告)日：2023-01-10

申请号：US16631525

申请日：2019-06-12

Applicant: LG CHEM, LTD.

Inventor： Kwangseok Seo ,  Heon Kim ,  Jinseok Byun ,  Yeongrae Chang

IPC: C09D7/41 ,  G02B1/14 ,  C09D7/48 ,  C09D133/14

Abstract: The present invention relates to a film for blocking ultraviolet rays that has excellent light resistance, thus exhibiting stable UV blocking performance for a long time, and has a low haze value, and thus is suitable for protecting an organic light emitting device and the like from the external light source.

公开(公告)号：US11126082B2

公开(公告)日：2021-09-21

申请号：US16606431

申请日：2018-12-07

Applicant: LG CHEM, LTD.

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

IPC: G03H1/02 ,  G03H1/04 ,  G03F7/00 ,  G03F7/24 ,  G03F7/004 ,  G03F7/033 ,  G11B7/24 ,  G11B7/0065 ,  C08K5/00 ,  G03F7/075 ,  G03F7/027

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

公开(公告)号：US11126081B2

公开(公告)日：2021-09-21

申请号：US16473992

申请日：2018-03-14

Applicant: LG CHEM, LTD.

Inventor： Boo Kyung Kim ,  Heon Kim ,  Seok Hoon Jang ,  Yeong Rae Chang

IPC: G03H1/02 ,  G03F7/004 ,  C08F220/18 ,  C08F299/04 ,  C08G18/40 ,  C08G18/62 ,  G03F7/00 ,  C08G18/72

Abstract: The present disclosure relates to a photopolymer composition including: a polymer matrix or a precursor thereof; a photoreactive monomer including a polyfunctional (meth)acrylate monomer having a refractive index of 1.5 or less and a viscosity at 25° C. of 100 cps or less, and a monofunctional (meth)acrylate monomer having a refractive index of 1.5 or more; and a photoinitiator, wherein a content of the monofunctional (meth)acrylate monomer having a refractive index of 1.5 or more in the photoreactive monomer is 60 wt % or more. The present disclosure also relates to a hologram recording medium produced from the photopolymer composition, an optical element including the hologram recording medium, and a holographic recording method using the photopolymer composition.

公开(公告)号：US11117981B2

公开(公告)日：2021-09-14

申请号：US16326150

申请日：2018-07-02

Applicant: LG CHEM, LTD.

Inventor： Heon Kim ,  Boo Kyung Kim ,  Seok Hoon Jang ,  Yeong Rae Chang

IPC: C08F2/50 ,  C08G83/00 ,  G06K19/16 ,  G02B5/32 ,  C08F283/02 ,  C08F220/18 ,  C08F283/00 ,  C08G18/64 ,  C08G18/32 ,  C08G18/72 ,  C08G18/71 ,  C08G18/42 ,  C08F2/48 ,  C09D4/06 ,  C08F222/10

Abstract: The present invention relates to a photopolymer composition comprising: a polymer matrix or a precursor thereof including a reaction product of a polyol including a polyrotaxane compound and a compound containing at least one isocyanate group; a photoreactive monomer; and a photoinitiator. The present invention also relates to a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the photopolymer composition.

公开(公告)号：US11084933B2

公开(公告)日：2021-08-10

申请号：US16651906

申请日：2018-12-07

Applicant: LG CHEM, LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

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

IPC: C09B57/00 ,  C08K5/55 ,  C07F5/02 ,  G03H1/02 ,  G03F7/028 ,  G03F7/033 ,  G03F7/035 ,  G03H1/04

Abstract: The present invention relates to a compound having a novel structure, a photopolymer composition including the compound as a dye, a hologram recording medium produced from the photopolymer composition, an optical element including the hologram recording medium, and a holographic recording method using the hologram recording medium.

公开(公告)号：US10649271B2

公开(公告)日：2020-05-12

申请号：US16071704

申请日：2017-02-03

Applicant: LG CHEM, LTD.

Inventor： Sung Hyun Nam ,  Kyung Ki Hong ,  Yeong Rae Chang ,  Heon Kim ,  Kyun Il Rah ,  Jong Hyun Jung ,  Byung Sun Lee ,  Eung Jin Jang ,  Jin Yong Park ,  Deok Woo Park ,  Ji Young Kim

IPC: G02F1/1335 ,  G02B5/30

Abstract: The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.

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.