国家/地区 韩国（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类
IPC
发明人 CHANG K（2）
公开年
申请年
专利权人

Radio frequency (RF) connector for use in e.g. communication facility, has shielding structure that is provided on one surface other than surface to which magnets of first structure and magnets of second structure are attached to each other.

LEE S, CHANG K, CHAE J, CHOI H, LEE S J, KONHEE C, CHAE J H

Perovskite optoelectronic device includes a lower electrode equipped on the substrate, an electron transport layer equipped on the lower electrode, a light absorption layer equipped on the electron transport layer and comprising perovskite.

KIM J Y, CHANG K, JI K, PARK M, PARK C R, SUNG S J, KIM J, CHANG K S, HWAN J, JIN S S