国家/地区 韩国（4）
IPC部 C（4）
IPC大类 C09（4）
IPC小类 C09D（4）
IPC
发明人 CHOI S（4）
公开年 2022（4）
申请年 2021（2） 
专利权人 CHEORWON PLA.（2）

Protective film used in display apparatus comprises light shielding layer disposed in edge portion of one surface of substrate, where light shielding layer comprises first layer on edge of one surface of substrate and second layer on first layer.

CHOI S, JEON H, CUI S, JEON H M

Graphene composite useful in an ink composition for printed electronics comprises graphene, transition metal nanoparticle and silver, where the transition metal nanoparticle carbide-bonded to surface of graphene.

CHOI S, SHIN M S, LEE S J, YEON J, OH S T

Manufacturing carbon material doped with nitrogen and sulfur, comprises adding carbon solid raw material, solid raw material containing nitrogen and solid raw material containing sulfur into thermal plasma reactor, and introducing ammonia.

CHOI S, SONBYUNGKOO, SHIN M S, LEE K, LEE S J, YEON J, OH S T

Cooling of semiconductor component for e.g. heat sink, involves arranging metal layer between component and heat dissipation coating layer, forming coating layer by using heat dissipation coating composition containing urethane binder resin, and exfoliating thermally conductive particles.

KIMTAEHAN, HUN L S, CHOI S, SHIM Y, SONG J, KIM T H, LEE S H, CHOI S I, SIM Y H, SONG J H