国家/地区 美国（6） 中国（4） 日本（3） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C09K011/02（8）
发明人 TETSUKA H（2） TETSUKA HIROYUKI（2） TEZUKA H（2）
公开年 2012（2） 2016（2） 2022（2）
申请年 2011（2）  2015（2）  2021（2） 
专利权人 SAMSUNG ELEC.（2） TOYOTA CHUO .（2）

Soluble graphene quantum dot used in light-emitting material and organic light-emitting device, comprises anthracenyl N-alkyl maleimide functional group at edge.

SHIN H, NIU W, MUELLEN K, LIU J, WU F, FENG X, KIM S, LIANG P, WHOOPENG, MULLEN K, WENHUI N, SHIN H J

Producing photoluminescence material involves placing plastic piece into working solution which is water, applying micro-plasma onto surface of the working solution, and degrading the plastic piece into multiple smaller molecular and graphene quantum dot.

CHIANG W, WENG R, WENG R J

Paramagnetic chiral graphene quantum dot useful for monitoring interaction between chiral molecules, comprises e.g. chiral graphene quantum dots and chelating agent form covalent bond through mutual functional group reaction.

DONG H, LI Y, YANG S, TAO Q, DING G, XIE X

Preparation of graphene-encapsulated metal nanoparticles used in e.g. LED, involves supplying preset mole ratio of gas comprising carbon dioxide, methane and water on metal catalyst and reacting and cooling resultant product.

SON I H, LEE S J

Forming a polymer composite comprising polymers and graphene quantum dots, useful in LEDs, comprises mixing a polymer component comprising polymers and/or polymer precursors with graphene quantum dots.

TOUR J M, KOVALCHUK A, XIANG C, TOUR J, CHANGSHENG X, TOUR YA M, XIANG CH

Preparing reduced graphene oxide/iron oxide/quantum dot nanocomposite, comprises dispersing the reduced graphene oxide/iron oxide nanocomposites in poly diallyl dimethyl ammonium chloride solution, and ultrasonicating.

JIN B, MAO C, NIU H, TONG J, WANG Y, YANG Y, ZHANG S, YUAN M, YUAN Z, LIU P, JI G

Nitrogen-containing graphene structure for fluorescent substance dispersion liquid, has single layer or multilayer graphene nanosheet, and nitrogen is introduced into graphene structure.

TETSUKA HIROYUKI, OKAMOTO KAZUO, TEZUKA H, OKAMOTO K, TETSUKA H

Light emitting component for e.g. light emitting element, has coating material coated on surface of base material having graphene structure.

TETSUKA HIROYUKI, TEZUKA H, TETSUKA H