国家/地区 中国（3）
IPC部 C（3） G（3）
IPC大类 C08（3）
IPC小类 C08J（3）
IPC G09F009/30（3）
发明人
公开年 2022（2）
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

Additional coating useful for transparent polyimide film comprises hyper-branched polyurethane acrylic resin, acrylic based silsesquioxane, photoinitiator and organic solvent, where coating is formed by coating and curing on transparent polyimide base material.

FAN Y, ZOU Q, DONG H, LIU K

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