公开(公告)号：US20220017371A1

公开(公告)日：2022-01-20

申请号：US17298489

申请日：2019-10-28

申请人： PI Advanced Materials Co., Ltd.

发明人： Kyung Su KIM ,  Dong Young WON

IPC分类号： C01B32/205 ,  C08J5/18 ,  B29C55/06 ,  B29C55/00

摘要： Disclosed are a graphite sheet formed from a polyimide film having a molecular orientation ratio of at least about 1.25, and a method for producing the same.

公开(公告)号：US20220259400A1

公开(公告)日：2022-08-18

申请号：US17628949

申请日：2019-10-29

申请人： PI Advanced Materials Co., Ltd.

发明人： Kyung Su KIM ,  Dong Young WON ,  Jeong Yeul CHOI

IPC分类号： C08K3/04 ,  C08J3/24 ,  C08J5/18

摘要： Disclosed are a graphite sheet having a thermal conductivity with respect to the planar direction of about 1,000 W/m·K or more and a thermal conductivity with respect to the thickness direction of about 30 W/m·K or more, and an electronic device including the same.