公开(公告)号：US20220017461A1

公开(公告)日：2022-01-20

申请号：US17312629

申请日：2020-02-14

申请人： LG CHEM, LTD.

发明人： Jeeseon KIM ,  Kyunghwan KIM ,  Hoyong LEE ,  Cheol Jun SONG

IPC分类号： C07C323/42 ,  C08G73/10 ,  C08J5/18

摘要： Disclosed is a novel diamine compound comprising a structure in which diphenyl sulfide in a molecule is bonded through an amide bond to a phenyl ring substituted with an amine group. A polyimide film prepared by polymerizing the novel diamine compound exhibits improved mechanical and thermal properties and an enhanced refractive index.

公开(公告)号：US20210147449A1

公开(公告)日：2021-05-20

申请号：US17055422

申请日：2020-02-26

申请人： LG CHEM, LTD.

发明人： Sang Pil MOON ,  Hoyong LEE ,  Duy Hieu LE ,  Jeeseon KIM

IPC分类号： C07F5/02 ,  G02F1/13357 ,  G02B5/23 ,  F21V8/00 ,  G02F1/1335

摘要： The present specification relates to a compound represented by Chemical Formula 1, and a color conversion film, a backlight unit and a display apparatus including the same.

公开(公告)号：US20210107925A1

公开(公告)日：2021-04-15

申请号：US16603168

申请日：2018-12-07

申请人： LG CHEM, LTD.

发明人： Seonkyoung SON ,  Milim LEE ,  Hoyong LEE ,  Cheol Jun SONG ,  Jeeseon KIM ,  Hyungwook YU

IPC分类号： C07F5/02 ,  G02F1/13357 ,  H01L51/00

摘要： The present specification relates to a nitrogen-containing compound, and a color conversion film, a backlight unit and a display apparatus including the same.

公开(公告)号：US20230212390A1

公开(公告)日：2023-07-06

申请号：US18008917

申请日：2021-10-21

申请人： LG CHEM, LTD.

发明人： Hyong Min BAHN ,  Un KO ,  Cheol Jun SONG ,  Jeeseon KIM ,  Jaemyeng JEONG ,  Hanbit JANG ,  Sugil YUM ,  Mooho HONG ,  Jungmoon BAE

IPC分类号： C08L69/00 ,  C08K5/527 ,  C08K5/13

CPC分类号： C08L69/00 ,  C08K5/527 ,  C08K5/13

摘要： The present disclosure relates to a polycarbonate composition. The polycarbonate composition is a composition in which polyalkylene glycol end-capped with a specific compound is blended in polycarbonate together with two specific antioxidants in a predetermined amount, and can provide a molded article which has high light transmittance, is transparent and particularly has excellent long-term color stability.

公开(公告)号：US20210222060A1

公开(公告)日：2021-07-22

申请号：US17055200

申请日：2020-02-26

申请人： LG CHEM, LTD.

发明人： Sang Pil MOON ,  Hoyong LEE ,  Duy Hieu LE ,  Jeeseon KIM

IPC分类号： C09K11/06 ,  C09K11/02 ,  C07F5/02 ,  F21V8/00

摘要： The present specification relates to a compound represented by Chemical Formula 1, and a color conversion film, a backlight unit and a display apparatus including the same.