公开(公告)号：US20180051133A1

公开(公告)日：2018-02-22

申请号：US15556231

申请日：2017-01-11

申请人： LG CHEM, LTD.

发明人： Byoungkue CHUN ,  Moo Ho HONG ,  Hyong Min BAHN ,  Un KO

IPC分类号： C08G64/06 ,  C08L69/00 ,  C08L71/02 ,  C08G81/02

CPC分类号： C08G64/06 ,  C08G81/024 ,  C08K3/00 ,  C08K5/00 ,  C08L25/06 ,  C08L33/06 ,  C08L33/08 ,  C08L33/10 ,  C08L63/00 ,  C08L69/00 ,  C08L71/02 ,  C08L2205/03 ,  C08L33/068

摘要： The present invention relates to a polycarbonate resin composition for a light guide plate and an optical molded article using the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color tone uniformity required as the light guide plate, and also is excellent in processability and thus can be usefully used as a material of the light guide plate.

公开(公告)号：US20200317912A1

公开(公告)日：2020-10-08

申请号：US16305368

申请日：2017-10-18

申请人： LG CHEM, LTD

发明人： Byoungkue CHUN ,  Un KO ,  Young Wook SON ,  Moo Ho HONG ,  Hyong Min BAHN ,  Tae Yun KO

IPC分类号： C08L69/00 ,  C08L33/06 ,  C08K5/5373 ,  C08K5/357 ,  C08K5/10 ,  G02B1/04

摘要： The present invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.

公开(公告)号：US20190016884A1

公开(公告)日：2019-01-17

申请号：US16065656

申请日：2017-10-11

申请人： LG CHEM, LTD.

发明人： Young Wook SON ,  Byoungkue CHUN ,  Moo Ho HONG ,  Un KO ,  Tae Yun KO

IPC分类号： C08L69/00 ,  C08L83/04 ,  C08K5/13 ,  C08K5/37 ,  C08K5/524

摘要： The present invention relates to a polycarbonate resin composition. The polycarbonate resin composition exhibits excellent optical properties, and thus can be used as a material for a light guide plate.

公开(公告)号：US20190300648A1

公开(公告)日：2019-10-03

申请号：US16439099

申请日：2019-06-12

申请人： LG CHEM, LTD.

发明人： Byoungkue CHUN ,  Moo Ho HONG ,  Hyong Min BAHN ,  Un KO

IPC分类号： C08G64/06 ,  C08K3/00 ,  C08K5/00 ,  C08L33/06 ,  C08L69/00 ,  C08G81/02 ,  C08L71/02

摘要： The present invention relates to a polycarbonate resin composition for a light guide plate and an optical molded article using the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color tone uniformity required as the light guide plate, and also is excellent in processability and thus can be usefully used as a material of the light guide plate.

公开(公告)号：US20190085122A1

公开(公告)日：2019-03-21

申请号：US15765686

申请日：2017-06-29

申请人： LG CHEM, LTD.

发明人： Un KO ,  Byoungkue CHUN ,  Moo Ho HONG ,  Young Wook SON ,  Tae Yun KO

IPC分类号： C08G64/40 ,  C08G64/24 ,  C08K5/13 ,  C08K5/1515 ,  C08K5/5313

摘要： The present invention provides a method for preparing a polycarbonate by removing a solvent from a polycarbonate polymerization solution without impairing the physical properties of the polycarbonate.