国家/地区 中国（3）
IPC部 C（2） H（2）
IPC大类 C01（2） H01（2）
IPC小类 C01B（2） H01J（2）
IPC C01B031/04（2）
发明人 LI K（3）
公开年 2011（3）
申请年 2010（2） 
专利权人 CHONGQING QI.（2）

Graphene used as field emitting cathode material of electro luminance light source e.g. graphene cold cathode fluorescent tube, is separate graphene material with negative electronic affinity.

LI K

Epitaxially growing cold cathode field emitting material, i.e. carbon film, on silicon carbide substrate by controlling density and length-width ratio of graphene strip through pressure and temperature in growth process.

WANG G, WANG W, JIA Y, CHEN X, GUO L, LI K, HUANG Q, PENG T, LIN J

Fractal graphene material with negative electron affinity, e.g. for field emission display comprises single layer and multiplayer fractal graphene structures growing alternately, which is deposited on substrate.

LI K