公开(公告)号：US20230146653A1

公开(公告)日：2023-05-11

申请号：US17912154

申请日：2021-04-15

申请人： LG CHEM, LTD.

发明人： Hanbit JANG ,  Seongmi CHO ,  Hoyong LEE ,  Seonkyoung SON ,  Jaemyeng JEONG ,  Seoyoung IM

IPC分类号： H10K85/60 ,  C07D491/16 ,  C09K11/06 ,  C07D495/16

CPC分类号： H10K85/654 ,  C07D491/16 ,  C09K11/06 ,  H10K85/657 ,  C07D495/16 ,  C09K2211/1018 ,  H10K50/11

摘要： Provided is a low sublimation temperature heterocyclic compound of Chemical Formula 1:






wherein, in Chemical Formula 1, adjacent one or more pairs of * bond to X1 and X2 of the following Chemical Formula 2:








where * means the part of Chemical Formula 1 bonding to X1 and X2, and the substituents are as defined in the specification, and an organic light emitting device including the same, whereby the heterocyclic compound of Chemical Formula 1 increases efficiency and stability of the organic light emitting device.

公开(公告)号：US20220390841A1

公开(公告)日：2022-12-08

申请号：US17621172

申请日：2020-07-13

申请人： LG CHEM, LTD.

发明人： Hanbit JANG ,  Duy Hieu LE ,  Jaemyeng JEONG ,  Hoyong LEE

IPC分类号： G03F7/004 ,  C08K5/3437 ,  C09B62/80 ,  C09B62/487 ,  C09B62/56 ,  C09B62/38 ,  C09K11/06

摘要： The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film, a backlight unit and a display apparatus manufactured using 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：US20220389014A1

公开(公告)日：2022-12-08

申请号：US17621640

申请日：2020-07-13

申请人： LG CHEM, LTD.

发明人： Hanbit JANG ,  Duy Hieu LE ,  Jaemyeng JEONG ,  Hoyong LEE

IPC分类号： C07D471/06 ,  C07F7/18 ,  H01L51/00 ,  G03F7/033 ,  C08K5/3437

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