US 12,305,017 B2
Graphite sheet and electronic device comprising same
Kyung Su Kim, Chungcheongbuk-do (KR); Dong Young Won, Chungcheongbuk-do (KR); and Jeong Yeul Choi, Chungcheongbuk-do (KR)
Assigned to PI ADVANCED MATERIALS CO., LTD., Chungcheongbuk-do (KR)
Appl. No. 17/628,949
Filed by PI Advanced Materials Co., Ltd., Chungcheongbuk-do (KR)
PCT Filed Oct. 29, 2019, PCT No. PCT/KR2019/014396
§ 371(c)(1), (2) Date Jan. 21, 2022,
PCT Pub. No. WO2021/015363, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 10-2019-0088084 (KR), filed on Jul. 22, 2019.
Prior Publication US 2022/0259400 A1, Aug. 18, 2022
Int. Cl. C08K 3/04 (2006.01); C08J 3/24 (2006.01); C08J 5/18 (2006.01)
CPC C08K 3/042 (2017.05) [C08J 3/24 (2013.01); C08J 5/18 (2013.01); C08J 2379/08 (2013.01); C08K 2201/001 (2013.01)] 11 Claims
 
1. A graphite sheet having a thermal conductivity with respect to the planar direction of about 1,043.5 W/m·K or more and a thermal conductivity with respect to the thickness direction of about 30 W/m·K or more,
wherein the graphite sheet has the number of bright spots of 5 or less.