Patent
US 9,287,518LIGHT EMITTING DEVICE USING GRAPHENE QUANTUM DOT AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
Hyoyoung Lee, Jung Hyun Lee, Yong Hun Shin
2016-03-15·US
Copyright © 2026 Matter42. All rights reserved.
Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended): A light emitting device using a graphene quantum dot, comprising: a graphene quantum dot and an organic light emitting material which is chemically or physically hybridized with the graphene quantum dot, wherein the organic light emitting material is hybridized with the graphene quantum dot by a covalent bond or n-n stacking.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the organic light emitting material includes a blue light emitting organic material, a green light emitting organic material, a red light emitting organic material, or a yellow light emitting organic material.
: An organic light emitting device, comprising: a cathode formed on a substrate, a hole transport layer, a light emitting layer, an electron transport layer, and an anode, wherein the light emitting layer includes a light emitting device using a graphene quantum dot of Claim 1.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the light emitting device further comprises an electron transport material which is 4 Application No. 14/091,556 chemically or physically hybridized with an additional graphene quantum dot, or a hole transport material which is chemically or physically hybridized with an additional graphene quantum dot.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
light emitting device using graphene quantum dot
organic light emitting device
Materials described outside the worked examples.
graphene quantum dot
organic light emitting material
blue light emitting organic material
green light emitting organic material
red light emitting organic material
yellow light emitting organic material
4,4-bis(2,2-diphenylethen-1-yl)-diphenyl
pyrene
perylene
distyrylbiphenyl
tris(8-hydroxyquinolinato)aluminum
Alq3
quinacridone
diphenyltetracene
tris(8-hydroxyquinoline)gallium
Gaq3
aminobenzothioxanthene
4-(dicyanomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran
DCJTB
rubrene
benzothioxanthene
BTX
poly-triphenyldiamine
poly(3,4-ethylenedioxythiophene)-poly(styrene-sulfonate)
PEDOT:PSS
poly(p-phenylenvinylene)
PPV
poly(N-vinylcarbazole)
PVK
poly[9,9'-dioctylfluorene-co-N-(4-butylphenyl)diphenylamine]
TFB
poly[9,9-dioctylfluorene-co-bis-N,N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamin]
2-tert-butyl-9,10-di-naphthalen-2-yl-anthracene
N,N'-bis(naphthalene-1-yl)-N,N'-bis(phenyl)-benzidine
NPB
Spiro-NPB
DMF-LNPB
DPFL-NPB
N-doped graphene oxide
N-doped reduced graphene oxide
1,3,5-tris(N-phenylbenzimiazole-2-yl)benzene
TPBi
2-(4-Biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole
PBD
2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline
bis(2-methyl-8-quinolinolato)(p-phenylphenolato)
Balq
1,3-bis(N,N-t-butyl-phenyl)-1,3,4-oxadiazole
OXD₇
glass
polyethyleneterephthalate
PET
polyethylene naphthalate
PEN
polyimide
PI
graphene
indium tin oxide
ITO
Al-doped zinc oxide
AZO
Zn-doped indium oxide
IZO
Nb:SrTiO₃
Ga-doped ZnO
GZO
Nb-doped TiO₂
F-doped tin oxide
FTO
LiF/Al
CsF/Al
BaF₂/Al
LiF/Ca/Al
Related documents with shared materials, methods, properties, or citations.
Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended): A light emitting device using a graphene quantum dot, comprising: a graphene quantum dot and an organic light emitting material which is chemically or physically hybridized with the graphene quantum dot, wherein the organic light emitting material is hybridized with the graphene quantum dot by a covalent bond or n-n stacking.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the organic light emitting material includes a blue light emitting organic material, a green light emitting organic material, a red light emitting organic material, or a yellow light emitting organic material.
: An organic light emitting device, comprising: a cathode formed on a substrate, a hole transport layer, a light emitting layer, an electron transport layer, and an anode, wherein the light emitting layer includes a light emitting device using a graphene quantum dot of Claim 1.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the light emitting device further comprises an electron transport material which is 4 Application No. 14/091,556 chemically or physically hybridized with an additional graphene quantum dot, or a hole transport material which is chemically or physically hybridized with an additional graphene quantum dot.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
light emitting device using graphene quantum dot
organic light emitting device
Materials described outside the worked examples.
graphene quantum dot
organic light emitting material
blue light emitting organic material
green light emitting organic material
red light emitting organic material
yellow light emitting organic material
4,4-bis(2,2-diphenylethen-1-yl)-diphenyl
pyrene
perylene
distyrylbiphenyl
tris(8-hydroxyquinolinato)aluminum
Alq3
quinacridone
diphenyltetracene
tris(8-hydroxyquinoline)gallium
Gaq3
aminobenzothioxanthene
4-(dicyanomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran
DCJTB
rubrene
benzothioxanthene
BTX
poly-triphenyldiamine
poly(3,4-ethylenedioxythiophene)-poly(styrene-sulfonate)
PEDOT:PSS
poly(p-phenylenvinylene)
PPV
poly(N-vinylcarbazole)
PVK
poly[9,9'-dioctylfluorene-co-N-(4-butylphenyl)diphenylamine]
TFB
poly[9,9-dioctylfluorene-co-bis-N,N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamin]
2-tert-butyl-9,10-di-naphthalen-2-yl-anthracene
N,N'-bis(naphthalene-1-yl)-N,N'-bis(phenyl)-benzidine
NPB
Spiro-NPB
DMF-LNPB
DPFL-NPB
N-doped graphene oxide
N-doped reduced graphene oxide
1,3,5-tris(N-phenylbenzimiazole-2-yl)benzene
TPBi
2-(4-Biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole
PBD
2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline
bis(2-methyl-8-quinolinolato)(p-phenylphenolato)
Balq
1,3-bis(N,N-t-butyl-phenyl)-1,3,4-oxadiazole
OXD₇
glass
polyethyleneterephthalate
PET
polyethylene naphthalate
PEN
polyimide
PI
graphene
indium tin oxide
ITO
Al-doped zinc oxide
AZO
Zn-doped indium oxide
IZO
Nb:SrTiO₃
Ga-doped ZnO
GZO
Nb-doped TiO₂
F-doped tin oxide
FTO
LiF/Al
CsF/Al
BaF₂/Al
LiF/Ca/Al
Related documents with shared materials, methods, properties, or citations.
Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended): A light emitting device using a graphene quantum dot, comprising: a graphene quantum dot and an organic light emitting material which is chemically or physically hybridized with the graphene quantum dot, wherein the organic light emitting material is hybridized with the graphene quantum dot by a covalent bond or n-n stacking.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the organic light emitting material includes a blue light emitting organic material, a green light emitting organic material, a red light emitting organic material, or a yellow light emitting organic material.
: An organic light emitting device, comprising: a cathode formed on a substrate, a hole transport layer, a light emitting layer, an electron transport layer, and an anode, wherein the light emitting layer includes a light emitting device using a graphene quantum dot of Claim 1.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the light emitting device further comprises an electron transport material which is 4 Application No. 14/091,556 chemically or physically hybridized with an additional graphene quantum dot, or a hole transport material which is chemically or physically hybridized with an additional graphene quantum dot.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
light emitting device using graphene quantum dot
organic light emitting device
Materials described outside the worked examples.
graphene quantum dot
organic light emitting material
blue light emitting organic material
green light emitting organic material
red light emitting organic material
yellow light emitting organic material
4,4-bis(2,2-diphenylethen-1-yl)-diphenyl
pyrene
perylene
distyrylbiphenyl
tris(8-hydroxyquinolinato)aluminum
Alq3
quinacridone
diphenyltetracene
tris(8-hydroxyquinoline)gallium
Gaq3
aminobenzothioxanthene
4-(dicyanomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran
DCJTB
rubrene
benzothioxanthene
BTX
poly-triphenyldiamine
poly(3,4-ethylenedioxythiophene)-poly(styrene-sulfonate)
PEDOT:PSS
poly(p-phenylenvinylene)
PPV
poly(N-vinylcarbazole)
PVK
poly[9,9'-dioctylfluorene-co-N-(4-butylphenyl)diphenylamine]
TFB
poly[9,9-dioctylfluorene-co-bis-N,N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamin]
2-tert-butyl-9,10-di-naphthalen-2-yl-anthracene
N,N'-bis(naphthalene-1-yl)-N,N'-bis(phenyl)-benzidine
NPB
Spiro-NPB
DMF-LNPB
DPFL-NPB
N-doped graphene oxide
N-doped reduced graphene oxide
1,3,5-tris(N-phenylbenzimiazole-2-yl)benzene
TPBi
2-(4-Biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole
PBD
2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline
bis(2-methyl-8-quinolinolato)(p-phenylphenolato)
Balq
1,3-bis(N,N-t-butyl-phenyl)-1,3,4-oxadiazole
OXD₇
glass
polyethyleneterephthalate
PET
polyethylene naphthalate
PEN
polyimide
PI
graphene
indium tin oxide
ITO
Al-doped zinc oxide
AZO
Zn-doped indium oxide
IZO
Nb:SrTiO₃
Ga-doped ZnO
GZO
Nb-doped TiO₂
F-doped tin oxide
FTO
LiF/Al
CsF/Al
BaF₂/Al
LiF/Ca/Al
Related documents with shared materials, methods, properties, or citations.
Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended): A light emitting device using a graphene quantum dot, comprising: a graphene quantum dot and an organic light emitting material which is chemically or physically hybridized with the graphene quantum dot, wherein the organic light emitting material is hybridized with the graphene quantum dot by a covalent bond or n-n stacking.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the organic light emitting material includes a blue light emitting organic material, a green light emitting organic material, a red light emitting organic material, or a yellow light emitting organic material.
: An organic light emitting device, comprising: a cathode formed on a substrate, a hole transport layer, a light emitting layer, an electron transport layer, and an anode, wherein the light emitting layer includes a light emitting device using a graphene quantum dot of Claim 1.
: The light emitting device using a graphene quantum dot of Claim 1, wherein the light emitting device further comprises an electron transport material which is 4 Application No. 14/091,556 chemically or physically hybridized with an additional graphene quantum dot, or a hole transport material which is chemically or physically hybridized with an additional graphene quantum dot.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
light emitting device using graphene quantum dot
organic light emitting device
Materials described outside the worked examples.
graphene quantum dot
organic light emitting material
blue light emitting organic material
green light emitting organic material
red light emitting organic material
yellow light emitting organic material
4,4-bis(2,2-diphenylethen-1-yl)-diphenyl
pyrene
perylene
distyrylbiphenyl
tris(8-hydroxyquinolinato)aluminum
Alq3
quinacridone
diphenyltetracene
tris(8-hydroxyquinoline)gallium
Gaq3
aminobenzothioxanthene
4-(dicyanomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran
DCJTB
rubrene
benzothioxanthene
BTX
poly-triphenyldiamine
poly(3,4-ethylenedioxythiophene)-poly(styrene-sulfonate)
PEDOT:PSS
poly(p-phenylenvinylene)
PPV
poly(N-vinylcarbazole)
PVK
poly[9,9'-dioctylfluorene-co-N-(4-butylphenyl)diphenylamine]
TFB
poly[9,9-dioctylfluorene-co-bis-N,N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamin]
2-tert-butyl-9,10-di-naphthalen-2-yl-anthracene
N,N'-bis(naphthalene-1-yl)-N,N'-bis(phenyl)-benzidine
NPB
Spiro-NPB
DMF-LNPB
DPFL-NPB
N-doped graphene oxide
N-doped reduced graphene oxide
1,3,5-tris(N-phenylbenzimiazole-2-yl)benzene
TPBi
2-(4-Biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole
PBD
2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline
bis(2-methyl-8-quinolinolato)(p-phenylphenolato)
Balq
1,3-bis(N,N-t-butyl-phenyl)-1,3,4-oxadiazole
OXD₇
glass
polyethyleneterephthalate
PET
polyethylene naphthalate
PEN
polyimide
PI
graphene
indium tin oxide
ITO
Al-doped zinc oxide
AZO
Zn-doped indium oxide
IZO
Nb:SrTiO₃
Ga-doped ZnO
GZO
Nb-doped TiO₂
F-doped tin oxide
FTO
LiF/Al
CsF/Al
BaF₂/Al
LiF/Ca/Al
Related documents with shared materials, methods, properties, or citations.