国家/地区 中国（2）
IPC部 C（2） G（2）
IPC大类 C08（2）
IPC小类 C08J（2）
IPC C08J007/04（2）
发明人
公开年
申请年
专利权人

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

Polyimide composite film useful for flexible display, comprises an ion-doped polyimide layer and graphene-modified polyimide layer and a filter layer is disposed between the ion-doped polyimide layer and graphene-modified polyimide layer.

JIANG J, LI J, YANG Z