Patent
US 10,886,501GRAPHENE PROTECTIVE FILM SERVING AS A GAS AND MOISTURE BARRIER, METHOD FOR FORMING SAME, AND USE THEREOF
Jonghyun AHN
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,886,501Patent 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.
1-11. Canceled
Canceled
A flexible barrier sheet having a length and width and comprising: a graphene protective film comprising at least two graphene layers, each of the at least two graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; a flexible substrate on a first side of the graphene protective film; an insulating polymer layer on a second and opposite side of the graphene protective film, a first adhesion layer between the graphene protective film and the flexible substrate; and, a second adhesion layer between the graphene protective film and the insulating polymer layer, wherein the graphene protective film blocks the penetration of gas and moisture thr ough the graphene protective film, and a moisture transmittance of the graphene protective film ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of graphene protective film. Currently amended
The flexible barrier sheet of claim 12, wherein the graphene protective film is produced by a method including producing each layer of the at least two graphene layers on a tempora r y substrate by supplying heat and a reaction gas containing a carbon source to the tempora r y substrate; and transferring a first graphene layer of the at least two graphene layers onto the flexible substrate by a d r y process, a wet process, or a roll-to-roll process to coat the flexible substrate with the at least two graphene layers; and transferring the second graphene layer of the at least two graphene layers on to the first graphene layer. Previously presented
The flexible barrier sheet of claim 12, wherein the flexible substrate includes a plastic substrate, a substrate for an organic light emi tt ing diode(OLED), or a sheet for a food and beverage container. Original
An item, comprising the flexible barrier sheet of claim 12. Original
The flexible barrier sheet of claim 12, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 12, wherein the graphene protective film comprises at least three layers of graphene and wherein a light transmi between 86 % and 93 %. Previously presented
Canceled
A flexible barrier sheet having a length and a width and comprising: a flexible substrate; a metal layer formed on the flexible substrate; a plurality of graphene layers formed on the metal layer, each of the graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; an insulating polymer layer formed on a side of the plurality of graphene layers opposite the metal layer; an adhesion layer between the plurality of graphene layers and the insulating polymer layer; an adhesion layer between each successive layer of the graphene protective film; and, an adhesion layer between the plurality of graphene layers and the flexible substrate; wherein the barrier sheet blocks the penetration of gas and moisture th r ough the barrier sheet, and a moisture transmittance of the flexible barrier sheet ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of plurality of graphene layers. Currently amended
The flexible barrier sheet of claim 16, wherein each of the graphene layers is formed by supplying heat and a reaction gas containing a carbon source to the metal layer. Previously presented
The flexible barrier sheet of claim 16, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 16 wherein least three graphene layers and wherein a light between 86 % and 93 %. Previously presented tt ance of the graphene film at 550 nm is the plurality of graphene layers comprises at transmi tt ance of the graphene film at 550 nm is
Layer stacks claimed or described, ordered top of device to substrate.
flexible barrier sheet (graphene protective film type)
flexible barrier sheet (metal layer type)
Materials described outside the worked examples.
graphene
C
flexible substrate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
moisture transmittance of graphene protective film | 0.0001–0.1 | C |
moisture transmittance of flexible barrier sheet (metal layer type) | 0.0001–0.1 |
Patent
Atlas literature
Patent
US 10,886,501Patent 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.
1-11. Canceled
Canceled
A flexible barrier sheet having a length and width and comprising: a graphene protective film comprising at least two graphene layers, each of the at least two graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; a flexible substrate on a first side of the graphene protective film; an insulating polymer layer on a second and opposite side of the graphene protective film, a first adhesion layer between the graphene protective film and the flexible substrate; and, a second adhesion layer between the graphene protective film and the insulating polymer layer, wherein the graphene protective film blocks the penetration of gas and moisture thr ough the graphene protective film, and a moisture transmittance of the graphene protective film ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of graphene protective film. Currently amended
The flexible barrier sheet of claim 12, wherein the graphene protective film is produced by a method including producing each layer of the at least two graphene layers on a tempora r y substrate by supplying heat and a reaction gas containing a carbon source to the tempora r y substrate; and transferring a first graphene layer of the at least two graphene layers onto the flexible substrate by a d r y process, a wet process, or a roll-to-roll process to coat the flexible substrate with the at least two graphene layers; and transferring the second graphene layer of the at least two graphene layers on to the first graphene layer. Previously presented
The flexible barrier sheet of claim 12, wherein the flexible substrate includes a plastic substrate, a substrate for an organic light emi tt ing diode(OLED), or a sheet for a food and beverage container. Original
An item, comprising the flexible barrier sheet of claim 12. Original
The flexible barrier sheet of claim 12, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 12, wherein the graphene protective film comprises at least three layers of graphene and wherein a light transmi between 86 % and 93 %. Previously presented
Canceled
A flexible barrier sheet having a length and a width and comprising: a flexible substrate; a metal layer formed on the flexible substrate; a plurality of graphene layers formed on the metal layer, each of the graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; an insulating polymer layer formed on a side of the plurality of graphene layers opposite the metal layer; an adhesion layer between the plurality of graphene layers and the insulating polymer layer; an adhesion layer between each successive layer of the graphene protective film; and, an adhesion layer between the plurality of graphene layers and the flexible substrate; wherein the barrier sheet blocks the penetration of gas and moisture th r ough the barrier sheet, and a moisture transmittance of the flexible barrier sheet ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of plurality of graphene layers. Currently amended
The flexible barrier sheet of claim 16, wherein each of the graphene layers is formed by supplying heat and a reaction gas containing a carbon source to the metal layer. Previously presented
The flexible barrier sheet of claim 16, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 16 wherein least three graphene layers and wherein a light between 86 % and 93 %. Previously presented tt ance of the graphene film at 550 nm is the plurality of graphene layers comprises at transmi tt ance of the graphene film at 550 nm is
Layer stacks claimed or described, ordered top of device to substrate.
flexible barrier sheet (graphene protective film type)
flexible barrier sheet (metal layer type)
Materials described outside the worked examples.
graphene
C
flexible substrate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
moisture transmittance of graphene protective film | 0.0001–0.1 | C |
moisture transmittance of flexible barrier sheet (metal layer type) | 0.0001–0.1 |
Patent
Atlas literature
Patent
US 10,886,501Patent 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.
1-11. Canceled
Canceled
A flexible barrier sheet having a length and width and comprising: a graphene protective film comprising at least two graphene layers, each of the at least two graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; a flexible substrate on a first side of the graphene protective film; an insulating polymer layer on a second and opposite side of the graphene protective film, a first adhesion layer between the graphene protective film and the flexible substrate; and, a second adhesion layer between the graphene protective film and the insulating polymer layer, wherein the graphene protective film blocks the penetration of gas and moisture thr ough the graphene protective film, and a moisture transmittance of the graphene protective film ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of graphene protective film. Currently amended
The flexible barrier sheet of claim 12, wherein the graphene protective film is produced by a method including producing each layer of the at least two graphene layers on a tempora r y substrate by supplying heat and a reaction gas containing a carbon source to the tempora r y substrate; and transferring a first graphene layer of the at least two graphene layers onto the flexible substrate by a d r y process, a wet process, or a roll-to-roll process to coat the flexible substrate with the at least two graphene layers; and transferring the second graphene layer of the at least two graphene layers on to the first graphene layer. Previously presented
The flexible barrier sheet of claim 12, wherein the flexible substrate includes a plastic substrate, a substrate for an organic light emi tt ing diode(OLED), or a sheet for a food and beverage container. Original
An item, comprising the flexible barrier sheet of claim 12. Original
The flexible barrier sheet of claim 12, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 12, wherein the graphene protective film comprises at least three layers of graphene and wherein a light transmi between 86 % and 93 %. Previously presented
Canceled
A flexible barrier sheet having a length and a width and comprising: a flexible substrate; a metal layer formed on the flexible substrate; a plurality of graphene layers formed on the metal layer, each of the graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; an insulating polymer layer formed on a side of the plurality of graphene layers opposite the metal layer; an adhesion layer between the plurality of graphene layers and the insulating polymer layer; an adhesion layer between each successive layer of the graphene protective film; and, an adhesion layer between the plurality of graphene layers and the flexible substrate; wherein the barrier sheet blocks the penetration of gas and moisture th r ough the barrier sheet, and a moisture transmittance of the flexible barrier sheet ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of plurality of graphene layers. Currently amended
The flexible barrier sheet of claim 16, wherein each of the graphene layers is formed by supplying heat and a reaction gas containing a carbon source to the metal layer. Previously presented
The flexible barrier sheet of claim 16, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 16 wherein least three graphene layers and wherein a light between 86 % and 93 %. Previously presented tt ance of the graphene film at 550 nm is the plurality of graphene layers comprises at transmi tt ance of the graphene film at 550 nm is
Layer stacks claimed or described, ordered top of device to substrate.
flexible barrier sheet (graphene protective film type)
flexible barrier sheet (metal layer type)
Materials described outside the worked examples.
graphene
C
flexible substrate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
moisture transmittance of graphene protective film | 0.0001–0.1 | C |
moisture transmittance of flexible barrier sheet (metal layer type) | 0.0001–0.1 |
Patent
Atlas literature
Patent
US 10,886,501Patent 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.
1-11. Canceled
Canceled
A flexible barrier sheet having a length and width and comprising: a graphene protective film comprising at least two graphene layers, each of the at least two graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; a flexible substrate on a first side of the graphene protective film; an insulating polymer layer on a second and opposite side of the graphene protective film, a first adhesion layer between the graphene protective film and the flexible substrate; and, a second adhesion layer between the graphene protective film and the insulating polymer layer, wherein the graphene protective film blocks the penetration of gas and moisture thr ough the graphene protective film, and a moisture transmittance of the graphene protective film ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of graphene protective film. Currently amended
The flexible barrier sheet of claim 12, wherein the graphene protective film is produced by a method including producing each layer of the at least two graphene layers on a tempora r y substrate by supplying heat and a reaction gas containing a carbon source to the tempora r y substrate; and transferring a first graphene layer of the at least two graphene layers onto the flexible substrate by a d r y process, a wet process, or a roll-to-roll process to coat the flexible substrate with the at least two graphene layers; and transferring the second graphene layer of the at least two graphene layers on to the first graphene layer. Previously presented
The flexible barrier sheet of claim 12, wherein the flexible substrate includes a plastic substrate, a substrate for an organic light emi tt ing diode(OLED), or a sheet for a food and beverage container. Original
An item, comprising the flexible barrier sheet of claim 12. Original
The flexible barrier sheet of claim 12, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 12, wherein the graphene protective film comprises at least three layers of graphene and wherein a light transmi between 86 % and 93 %. Previously presented
Canceled
A flexible barrier sheet having a length and a width and comprising: a flexible substrate; a metal layer formed on the flexible substrate; a plurality of graphene layers formed on the metal layer, each of the graphene layers being a monolayer of covalently bonded carbon atoms having a uniform thickness across the length and the width of the flexible barrier sheet; an insulating polymer layer formed on a side of the plurality of graphene layers opposite the metal layer; an adhesion layer between the plurality of graphene layers and the insulating polymer layer; an adhesion layer between each successive layer of the graphene protective film; and, an adhesion layer between the plurality of graphene layers and the flexible substrate; wherein the barrier sheet blocks the penetration of gas and moisture th r ough the barrier sheet, and a moisture transmittance of the flexible barrier sheet ranges from 10-4 g/m 2/day to 10- 1 g/m 2/day, and wherein the insulating polymer layer blocks the conductivity of plurality of graphene layers. Currently amended
The flexible barrier sheet of claim 16, wherein each of the graphene layers is formed by supplying heat and a reaction gas containing a carbon source to the metal layer. Previously presented
The flexible barrier sheet of claim 16, wherein the flexible substrate is selected from the group consisting of polyimide, polyethersulfone, polyetheretherketone, polyethyleneterephthalate, polycarbonate, and combinations thereof. Previously presented
The flexible barrier sheet of claim 16 wherein least three graphene layers and wherein a light between 86 % and 93 %. Previously presented tt ance of the graphene film at 550 nm is the plurality of graphene layers comprises at transmi tt ance of the graphene film at 550 nm is
Layer stacks claimed or described, ordered top of device to substrate.
flexible barrier sheet (graphene protective film type)
flexible barrier sheet (metal layer type)
Materials described outside the worked examples.
graphene
C
flexible substrate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
moisture transmittance of graphene protective film | 0.0001–0.1 | C |
moisture transmittance of flexible barrier sheet (metal layer type) | 0.0001–0.1 |
insulating polymer layer
metal layer
flexible polymer substrate
light transmittance of graphene film at 550 nm (at least three graphene layers) | 86–93 | C |
insulating polymer layer
metal layer
flexible polymer substrate
light transmittance of graphene film at 550 nm (at least three graphene layers) | 86–93 | C |
insulating polymer layer
metal layer
flexible polymer substrate
light transmittance of graphene film at 550 nm (at least three graphene layers) | 86–93 | C |
insulating polymer layer
metal layer
flexible polymer substrate
light transmittance of graphene film at 550 nm (at least three graphene layers) | 86–93 | C |