国家/地区 韩国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 KIM B S（2）
公开年
申请年 2012（2）
专利权人 POSCO（2）

Metal substrate, useful in organic LEDs, comprises a graphene oxide composite layer formed on a surface of an iron-nickel alloy substrate.

KIM J Y, SON C Y, LEE J K, CHOI J H, KIM B S

Manufacture of oxidized layer of magnesium-based metal material involves forming graphene coating layer on magnesium-based substrate, irradiating plasma, forming oxide layer using source gas, and applying cathode in substrate.

JEONG H J, KIM B S, CHOI S H, CHOI J H, LEE J K