国家/地区 世界知识产权组织（11）
IPC部 C（10） H（7） B（6）
IPC大类 C01（8） H01（7） B01（4）
B82（3） C09（3） C23（2）
IPC小类 C01B（8） H01B（4） B01J（3）
B82Y（3） C23C（2） H01G（2）
H01L（2）
IPC C01B031/02（7） C01B031/04（6） B82Y040/00（3）
C01B032/182（3） H01B001/04（3） B01J019/24（2）
B82Y030/00（2） C01B032/184（2） C01B032/194（2）
C23C016/26（2） C23C016/44（2） H01B013/00（2）
发明人 JEON S（11）
公开年 2015（3） 2012（2）
申请年 2012（2）  2014（2） 
专利权人 KOREA ADVANC.（5） KOREA ADVANC.（4） HANWHA CHEM .（3） KOREA ADV IN.（3）

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

Graphene quantum dot composite useful for electronic devices e.g. electroluminescent devices and flexible display devices, comprises dielectric matrix comprising metal oxynitride, and graphene quantum dots dispersed in dielectric matrix.

JEON S, PARK M, YOON H, WOO J, PARK M S

Manufacture of graphene flakes used in dispersion solution, involves impregnating positive/negative electrodes containing graphene precursor, with electrolyte containing metal salt of anionic organic monomer, applying voltage and separating.

JEON S, AZAM A, KIM J, WOO J S, MO K J, WOO J, MO K

Preparation of carbon nanotubes and graphene for forming conductive film, involves heat-treating mixture of carbon nanotube and graphene precursors and intercalating compound, peeling resultant in solvent, and removing impurities.

JEON S, KIM J, JIN K, JUNG M K, SEOK W J

Cosmetic composition e.g. skin moisturizer, comprises graphene quantum dots and has UV protection function.

JEON S, SONG S, YOON H, HYE W Y, SEOK W J, SUNG H S

Modification of graphene involves obtaining graphene having desired crystal size by repeating graphene modification process several times with subcritical or supercritical carbon dioxide.

DO S H, LEE J S, JEON S Y, KONG J H, DO SEUNG H, DO S, LEE J, JEON S, KONG J

Graphene comprises oxygen atom content in predetermined range, and has carbon/oxygen weight ratio of predetermined range.

LEE J S, DO S H, JEON S Y, KONG J H, DO SEUNG H, LEE J, DO S, JEON S, KONG J

Manufacture of functionalized graphene used for e.g. barrier material, involves forming mixture using graphite oxide, solvent and functionalized compound containing sulfur and amino group, reacting, and recovering resultant graphene.

LEE J S, DO SEUNG H, JEON S Y, HAN G W, KONG J H, DO S H, LEE J, DO S, JEON S, HAN G, KONG J

Manufacture of graphene used for e.g. touch screen, involves forming transition metal catalyst layer on substrate, supplying carbon source vapor to chamber and segregating graphene from carbon component in catalyst-layer surface.

JEON S, LEE J, OH S

Manufacture of graphene for e.g. touch screen, involves loading substrate having catalyst layer into chamber, evaporating, supplying carbon source gas, heating in primary portion of catalyst layer, dissolving carbon component, and cooling.

JEON S, LEE J, OH S, RAN O S, SEOP L J, U JEON S, JIN S L, SE R O, SEOK W J