国家/地区 中国（4）
IPC部 H（4）
IPC大类 H01（4） C01（2）
IPC小类 H01J（4） C01B（2）
IPC H01J009/02（4）
发明人 HONG X（2） LIANG D（2） ZHENG H（2）
公开年 2020（4）
申请年 2019（2）  2020（2） 
专利权人 SHENZHEN INS.（2）

Preparation of nitrogen-doped reducing graphene oxide field emitting cathode used e.g. for field emission device, by mixing graphene oxide and organic adhesive, dispersing, using one end of graphite rod to dip, and drying graphite rod.

SONG Y, YU Y, LI B

Field emission cathode based on graphene/metamaterial composite nanostructures used in the field of high brightness and coherent electron sources comprises e.g. base material on patterned vertical carbon nanotube array and graphene material.

XU J, SHI Y, ZHANG X

Graphene field emission cathode comprises conductive substrate and graphene/nano metal composite layer bonded to a surface of conductive substrate, metal nanomaterial layer arranged on graphene layer facing away from conductive substrate.

HONG X, LIANG D, ZHENG H

Graphene field emitting cathode, has conductive base plate whose surface is formed with hexagonal boron nitride film, and graphene emission film bonded on hexagonal boron nitride film away from surface of conductive substrate.

HONG X, LIANG D, ZHENG H