国家/地区 美国（4） 韩国（3） 世界知识产权组织（2）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B031/04（4）
发明人
公开年 2015（4）
申请年 2013（2）  2014（2） 
专利权人

Manufacturing method of graphene film used in e.g. electronic device, photo-electronic device involves growing nano graphenes on insulating substrate by pyrolyzing carbon source included in reactive gas, without using metal catalyst.

SONG Y W, PARK J H

Production of uniformly-doped large area multi-layered graphene element used for display/screen of electric/electronic device, involves forming openings in graphene sheet, and holding graphene element and dopant at elevated temperature.

RUSSO S, CRACIUN M, BOINTON T H

Activated expanded graphite oxide, useful in a monolayer graphene sheet and an electrode of an ultracapacitor, comprises a dopant comprising a non-metal e.g. nitrogen.

RUOFF R S, ZHANG L L, STOLLER M D

Formation of graphene layer on substrate used for semiconductor device, involves forming carbon source layer and metal catalyst layer on substrate, converting carbon source layer into graphene layer and removing metal catalyst layer.

BAEK J, JEON S, LEE J, BAEK J W, JEON S W, LEE J S