Patent
US 9,297,831TOUCH SENSOR USING GRAPHENE FOR SIMULTANEOUSLY DETECTING A PRESSURE AND A POSITION
Jong-Hyun Ahn
US
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Patent
Atlas literature
Patent
US 9,297,831Patent 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.
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A touch sensor for simultaneously detecting a pressure and a position, comprising: first graphene electrode patterns formed on an insulating substrate and comprising a plurality of graphene line electrodes formed in parallel with one another, and second graphene electrode patterns formed on the first graphene electrode patterns and comprising a plurality of graphene line electrodes vertically crossing the respective plurality of the graphene line electrodes of the first graphene electrode patterns and formed in parallel with one another; a plurality of graphene strain gauges formed to be connected to respective crossing points between the plurality of the graphene line electrodes of the first graphene electrode patterns and the plurality of the graphene line electrodes of the second graphene electrode pattern patterns; and a controller that applies a voltage to each of the graphene line electrodes of the first graphene electrode patterns and the second graphene electrode patterns, and senses SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.1.21.248.2598.457.2713.svg 0.383 0.697 Chemistry Black and white hange in resistance generated in the graphene strain gauges corresponding to a position of an outside touch on the insulating substrate according to a pressure applied 2 Application Serial No. 13/997,566 5021.114915 Reply to Office Action by the outside touch to determine X and Y coordinates of the position of the outside touch and senses a degree of the pressure applied by the outside touch.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a plurality of thin film transistors(TFTs) connected to each of the plurality of the graphene strain gauges.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a protection layer on the second graphene electrode patterns and the graphene strain gauges. SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.3.8.252.1135.641.1604.svg 1.563 1.297 Chemistry Black and white rently Amended) A display panel having a touch sensor for simultaneously pressure and a position configured to detect an outside touch, comprising: play panel; and nt surface; a touch sensor for simultaneously detecting a pressure and a position according to claim 15, attached to the front surface. wherein the touch sensor is-attached to a front surface-ofhe display=paneb
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Layer stacks claimed or described, ordered top of device to substrate.
touch sensor for simultaneously detecting a pressure and a position
display panel having a touch sensor
Materials described outside the worked examples.
graphene
insulating substrate
Patent
Atlas literature
Patent
US 9,297,831Patent 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.
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A touch sensor for simultaneously detecting a pressure and a position, comprising: first graphene electrode patterns formed on an insulating substrate and comprising a plurality of graphene line electrodes formed in parallel with one another, and second graphene electrode patterns formed on the first graphene electrode patterns and comprising a plurality of graphene line electrodes vertically crossing the respective plurality of the graphene line electrodes of the first graphene electrode patterns and formed in parallel with one another; a plurality of graphene strain gauges formed to be connected to respective crossing points between the plurality of the graphene line electrodes of the first graphene electrode patterns and the plurality of the graphene line electrodes of the second graphene electrode pattern patterns; and a controller that applies a voltage to each of the graphene line electrodes of the first graphene electrode patterns and the second graphene electrode patterns, and senses SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.1.21.248.2598.457.2713.svg 0.383 0.697 Chemistry Black and white hange in resistance generated in the graphene strain gauges corresponding to a position of an outside touch on the insulating substrate according to a pressure applied 2 Application Serial No. 13/997,566 5021.114915 Reply to Office Action by the outside touch to determine X and Y coordinates of the position of the outside touch and senses a degree of the pressure applied by the outside touch.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a plurality of thin film transistors(TFTs) connected to each of the plurality of the graphene strain gauges.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a protection layer on the second graphene electrode patterns and the graphene strain gauges. SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.3.8.252.1135.641.1604.svg 1.563 1.297 Chemistry Black and white rently Amended) A display panel having a touch sensor for simultaneously pressure and a position configured to detect an outside touch, comprising: play panel; and nt surface; a touch sensor for simultaneously detecting a pressure and a position according to claim 15, attached to the front surface. wherein the touch sensor is-attached to a front surface-ofhe display=paneb
canceled
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23-27. canceled
canceled
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canceled
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Layer stacks claimed or described, ordered top of device to substrate.
touch sensor for simultaneously detecting a pressure and a position
display panel having a touch sensor
Materials described outside the worked examples.
graphene
insulating substrate
Patent
Atlas literature
Patent
US 9,297,831Patent 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.
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A touch sensor for simultaneously detecting a pressure and a position, comprising: first graphene electrode patterns formed on an insulating substrate and comprising a plurality of graphene line electrodes formed in parallel with one another, and second graphene electrode patterns formed on the first graphene electrode patterns and comprising a plurality of graphene line electrodes vertically crossing the respective plurality of the graphene line electrodes of the first graphene electrode patterns and formed in parallel with one another; a plurality of graphene strain gauges formed to be connected to respective crossing points between the plurality of the graphene line electrodes of the first graphene electrode patterns and the plurality of the graphene line electrodes of the second graphene electrode pattern patterns; and a controller that applies a voltage to each of the graphene line electrodes of the first graphene electrode patterns and the second graphene electrode patterns, and senses SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.1.21.248.2598.457.2713.svg 0.383 0.697 Chemistry Black and white hange in resistance generated in the graphene strain gauges corresponding to a position of an outside touch on the insulating substrate according to a pressure applied 2 Application Serial No. 13/997,566 5021.114915 Reply to Office Action by the outside touch to determine X and Y coordinates of the position of the outside touch and senses a degree of the pressure applied by the outside touch.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a plurality of thin film transistors(TFTs) connected to each of the plurality of the graphene strain gauges.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a protection layer on the second graphene electrode patterns and the graphene strain gauges. SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.3.8.252.1135.641.1604.svg 1.563 1.297 Chemistry Black and white rently Amended) A display panel having a touch sensor for simultaneously pressure and a position configured to detect an outside touch, comprising: play panel; and nt surface; a touch sensor for simultaneously detecting a pressure and a position according to claim 15, attached to the front surface. wherein the touch sensor is-attached to a front surface-ofhe display=paneb
canceled
canceled
23-27. canceled
canceled
canceled
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
touch sensor for simultaneously detecting a pressure and a position
display panel having a touch sensor
Materials described outside the worked examples.
graphene
insulating substrate
Patent
Atlas literature
Patent
US 9,297,831Patent 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.
1-14. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
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A touch sensor for simultaneously detecting a pressure and a position, comprising: first graphene electrode patterns formed on an insulating substrate and comprising a plurality of graphene line electrodes formed in parallel with one another, and second graphene electrode patterns formed on the first graphene electrode patterns and comprising a plurality of graphene line electrodes vertically crossing the respective plurality of the graphene line electrodes of the first graphene electrode patterns and formed in parallel with one another; a plurality of graphene strain gauges formed to be connected to respective crossing points between the plurality of the graphene line electrodes of the first graphene electrode patterns and the plurality of the graphene line electrodes of the second graphene electrode pattern patterns; and a controller that applies a voltage to each of the graphene line electrodes of the first graphene electrode patterns and the second graphene electrode patterns, and senses SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.1.21.248.2598.457.2713.svg 0.383 0.697 Chemistry Black and white hange in resistance generated in the graphene strain gauges corresponding to a position of an outside touch on the insulating substrate according to a pressure applied 2 Application Serial No. 13/997,566 5021.114915 Reply to Office Action by the outside touch to determine X and Y coordinates of the position of the outside touch and senses a degree of the pressure applied by the outside touch.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a plurality of thin film transistors(TFTs) connected to each of the plurality of the graphene strain gauges.
The touch sensor for simultaneously detecting a pressure and a position as claimed in claim 15, wherein the touch sensor further includes a protection layer on the second graphene electrode patterns and the graphene strain gauges. SVG 13997566.08-14-2015.IDC₀H₄₄₈PXXIFW3.CLM.3.8.252.1135.641.1604.svg 1.563 1.297 Chemistry Black and white rently Amended) A display panel having a touch sensor for simultaneously pressure and a position configured to detect an outside touch, comprising: play panel; and nt surface; a touch sensor for simultaneously detecting a pressure and a position according to claim 15, attached to the front surface. wherein the touch sensor is-attached to a front surface-ofhe display=paneb
canceled
canceled
23-27. canceled
canceled
canceled
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
touch sensor for simultaneously detecting a pressure and a position
display panel having a touch sensor
Materials described outside the worked examples.
graphene
insulating substrate
carbon nanotube
organic thin film
thin film oxide
silicone thin film
force sensing resistor (FSR)
carbon nanotube
organic thin film
thin film oxide
silicone thin film
force sensing resistor (FSR)
carbon nanotube
organic thin film
thin film oxide
silicone thin film
force sensing resistor (FSR)
carbon nanotube
organic thin film
thin film oxide
silicone thin film
force sensing resistor (FSR)