国家/地区 世界知识产权组织（2）
IPC部 B（2）
IPC大类 B41（2）
IPC小类 B41M（2）
IPC C09D011/50（2）
发明人
公开年
申请年
专利权人

Ink composition for security printing, and used in manufacture of security indicia, comprises dielectric matrix having hydroxyl group, graphene quantum dots dispersed in dielectric matrix, and graphene quantum dot composite having afterglow properties emitting phosphorescence at room temperature.

JEON S, PARK M, WOO J, PARK M S

Ink formulation used for forming image on article e.g. thermoplastic article, comprises graphene-based component, color change agent, binder and solvent.

JARVIS A, WALKER M, OROURKE A