Patent
US 10,564,505OF THE I NVENTION
Rajratan Basu
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,564,505Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene and liquid crystal device comprising: a substrate; a layer of graphene on the substrate; and a layer of liquid crystal on the layer of graphene.
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an alignment layer and an electrode for a liquid crystal device.
The graphene and liquid crystal device of claim 1 wherein the affinity of phenyl rings with one another comprises 7c stacking and drives alignment of the layer of liquid crystal molecules and the layer of graphene. SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.1.14.762.1989.802.2013.svg 0.08 0.133 Chemistry Black and white
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an electrode for switching the orientation of the layer of liquid crystal.
The graphene and liquid crystal device of claim 1 wherein alignment of the liquid crystals is controlled by a voltage applied to the layer of graphene.
A method of making a graphene and liquid crystal device comprising the steps o f: providing a substrate; depositing a layer of graphene on the substrate; and depositing a layer of liquid crystals on the layer of graphene.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: heating the graphene and liquid crystal device; and cooling the graphene and liquid crystal device.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: inducing the SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.3.7.711.898.751.922.svg 0.08 0.133 Chemistry Black and white 7c electron stacking; aligning the molecules of the layer of liquid crystals and the layer of graphene; and achieving a uniform planar aligned state of the molecules of the layer of liquid crystals.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: applying a voltage to the layer of graphene; and aligning the molecules of the layer of liquid crystals.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nematic alignment of liquid crystal on CVD-grown monolayer graphene on copper foil. A thin LC layer in isotropic phase was deposited on graphene, heated to isotropic phase, then slowly cooled to nematic phase. XPLM showed uniform planar alignment driven by pi-electron stacking between LC benzene rings and graphene honeycomb surface.
3 materials1 process step
Smectic alignment of ferroelectric liquid crystal (MX₄₀₆₃₆) on CVD-grown monolayer graphene transferred from copper foil to glass substrate. Graphene was transferred to glass, placed on hot plate at 110°C, FLC in isotropic phase deposited and blown to thin layer, then cooled through smectic-A* and smectic-C* phases. XPLM confirmed planar alignment.
Layer stacks claimed or described, ordered top of device to substrate.
graphene and liquid crystal device (single graphene electrode)
graphene and liquid crystal device (dual graphene electrodes)
Materials described outside the worked examples.
glass substrate
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,564,505Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene and liquid crystal device comprising: a substrate; a layer of graphene on the substrate; and a layer of liquid crystal on the layer of graphene.
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an alignment layer and an electrode for a liquid crystal device.
The graphene and liquid crystal device of claim 1 wherein the affinity of phenyl rings with one another comprises 7c stacking and drives alignment of the layer of liquid crystal molecules and the layer of graphene. SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.1.14.762.1989.802.2013.svg 0.08 0.133 Chemistry Black and white
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an electrode for switching the orientation of the layer of liquid crystal.
The graphene and liquid crystal device of claim 1 wherein alignment of the liquid crystals is controlled by a voltage applied to the layer of graphene.
A method of making a graphene and liquid crystal device comprising the steps o f: providing a substrate; depositing a layer of graphene on the substrate; and depositing a layer of liquid crystals on the layer of graphene.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: heating the graphene and liquid crystal device; and cooling the graphene and liquid crystal device.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: inducing the SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.3.7.711.898.751.922.svg 0.08 0.133 Chemistry Black and white 7c electron stacking; aligning the molecules of the layer of liquid crystals and the layer of graphene; and achieving a uniform planar aligned state of the molecules of the layer of liquid crystals.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: applying a voltage to the layer of graphene; and aligning the molecules of the layer of liquid crystals.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nematic alignment of liquid crystal on CVD-grown monolayer graphene on copper foil. A thin LC layer in isotropic phase was deposited on graphene, heated to isotropic phase, then slowly cooled to nematic phase. XPLM showed uniform planar alignment driven by pi-electron stacking between LC benzene rings and graphene honeycomb surface.
3 materials1 process step
Smectic alignment of ferroelectric liquid crystal (MX₄₀₆₃₆) on CVD-grown monolayer graphene transferred from copper foil to glass substrate. Graphene was transferred to glass, placed on hot plate at 110°C, FLC in isotropic phase deposited and blown to thin layer, then cooled through smectic-A* and smectic-C* phases. XPLM confirmed planar alignment.
Layer stacks claimed or described, ordered top of device to substrate.
graphene and liquid crystal device (single graphene electrode)
graphene and liquid crystal device (dual graphene electrodes)
Materials described outside the worked examples.
glass substrate
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,564,505Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene and liquid crystal device comprising: a substrate; a layer of graphene on the substrate; and a layer of liquid crystal on the layer of graphene.
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an alignment layer and an electrode for a liquid crystal device.
The graphene and liquid crystal device of claim 1 wherein the affinity of phenyl rings with one another comprises 7c stacking and drives alignment of the layer of liquid crystal molecules and the layer of graphene. SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.1.14.762.1989.802.2013.svg 0.08 0.133 Chemistry Black and white
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an electrode for switching the orientation of the layer of liquid crystal.
The graphene and liquid crystal device of claim 1 wherein alignment of the liquid crystals is controlled by a voltage applied to the layer of graphene.
A method of making a graphene and liquid crystal device comprising the steps o f: providing a substrate; depositing a layer of graphene on the substrate; and depositing a layer of liquid crystals on the layer of graphene.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: heating the graphene and liquid crystal device; and cooling the graphene and liquid crystal device.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: inducing the SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.3.7.711.898.751.922.svg 0.08 0.133 Chemistry Black and white 7c electron stacking; aligning the molecules of the layer of liquid crystals and the layer of graphene; and achieving a uniform planar aligned state of the molecules of the layer of liquid crystals.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: applying a voltage to the layer of graphene; and aligning the molecules of the layer of liquid crystals.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nematic alignment of liquid crystal on CVD-grown monolayer graphene on copper foil. A thin LC layer in isotropic phase was deposited on graphene, heated to isotropic phase, then slowly cooled to nematic phase. XPLM showed uniform planar alignment driven by pi-electron stacking between LC benzene rings and graphene honeycomb surface.
3 materials1 process step
Smectic alignment of ferroelectric liquid crystal (MX₄₀₆₃₆) on CVD-grown monolayer graphene transferred from copper foil to glass substrate. Graphene was transferred to glass, placed on hot plate at 110°C, FLC in isotropic phase deposited and blown to thin layer, then cooled through smectic-A* and smectic-C* phases. XPLM confirmed planar alignment.
Layer stacks claimed or described, ordered top of device to substrate.
graphene and liquid crystal device (single graphene electrode)
graphene and liquid crystal device (dual graphene electrodes)
Materials described outside the worked examples.
glass substrate
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,564,505Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene and liquid crystal device comprising: a substrate; a layer of graphene on the substrate; and a layer of liquid crystal on the layer of graphene.
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an alignment layer and an electrode for a liquid crystal device.
The graphene and liquid crystal device of claim 1 wherein the affinity of phenyl rings with one another comprises 7c stacking and drives alignment of the layer of liquid crystal molecules and the layer of graphene. SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.1.14.762.1989.802.2013.svg 0.08 0.133 Chemistry Black and white
The graphene and liquid crystal device of claim 1 wherein the layer of graphene is an electrode for switching the orientation of the layer of liquid crystal.
The graphene and liquid crystal device of claim 1 wherein alignment of the liquid crystals is controlled by a voltage applied to the layer of graphene.
A method of making a graphene and liquid crystal device comprising the steps o f: providing a substrate; depositing a layer of graphene on the substrate; and depositing a layer of liquid crystals on the layer of graphene.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: heating the graphene and liquid crystal device; and cooling the graphene and liquid crystal device.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: inducing the SVG 15925597.03-19-2018.JEYVACCHRXEAPX4.CLM.3.7.711.898.751.922.svg 0.08 0.133 Chemistry Black and white 7c electron stacking; aligning the molecules of the layer of liquid crystals and the layer of graphene; and achieving a uniform planar aligned state of the molecules of the layer of liquid crystals.
The method of making a graphene and liquid crystal device of claim 7 further comprising the steps o f: applying a voltage to the layer of graphene; and aligning the molecules of the layer of liquid crystals.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nematic alignment of liquid crystal on CVD-grown monolayer graphene on copper foil. A thin LC layer in isotropic phase was deposited on graphene, heated to isotropic phase, then slowly cooled to nematic phase. XPLM showed uniform planar alignment driven by pi-electron stacking between LC benzene rings and graphene honeycomb surface.
3 materials1 process step
Smectic alignment of ferroelectric liquid crystal (MX₄₀₆₃₆) on CVD-grown monolayer graphene transferred from copper foil to glass substrate. Graphene was transferred to glass, placed on hot plate at 110°C, FLC in isotropic phase deposited and blown to thin layer, then cooled through smectic-A* and smectic-C* phases. XPLM confirmed planar alignment.
Layer stacks claimed or described, ordered top of device to substrate.
graphene and liquid crystal device (single graphene electrode)
graphene and liquid crystal device (dual graphene electrodes)
Materials described outside the worked examples.
glass substrate
Related documents with shared materials, methods, properties, or citations.