Abstract:
A varifocal lens including a first liquid crystal layer; a first electrode portion disposed below the first liquid crystal layer and having a flat shape; a first non-uniform electric field generator which generates a non-uniform electric field in the first liquid crystal layer together with the first electrode portion, and the first non-uniform electric field generator including a second electrode portion having a flat shape.
Abstract:
A varifocal lens including a first liquid crystal layer; a second liquid crystal layer disposed below the first liquid crystal layer; a common electrode disposed between the first liquid crystal layer and the second liquid crystal layer; a first electrode disposed above the first liquid crystal layer and having a curved shape; and a second electrode disposed below the second liquid crystal layer and having a curved shape.
Abstract:
A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.
Abstract:
A nanogenerator with at least one nanostructure and method of manufacturing the same are provided. The method of manufacturing the nanogenerator includes forming at least one nanostructure including an organic piezoelectric material on a substrate.
Abstract:
A nano-piezoelectric generator includes a first electrode and a second electrode, at least one nano-piezoelectric unit, formed of a semiconductor piezoelectric material having a nano-structure, disposed between the first and the second electrodes, and an interlayer, formed of an insulating material, disposed between the first electrode and the at least one nano-piezoelectric unit.
Abstract:
A varifocal lens including a first liquid crystal layer; a first electrode portion disposed below the first liquid crystal layer and having a flat shape; a first non-uniform electric field generator which generates a non-uniform electric field in the first liquid crystal layer together with the first electrode portion, and the first non-uniform electric field generator including a second electrode portion having a flat shape.
Abstract:
A graphene-nanoparticle structure includes a substrate, a graphene layer disposed on the substrate and a nanoparticle layer disposed on the graphene layer. The graphene-nanoparticle structure may be formed by alternately laminating the graphene layer and the nanoparticle layer and may play the role of a multifunctional film capable of realizing various functions according to the number of laminated layers and the selected material of the nanoparticles.
Abstract:
A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.
Abstract:
A composite structure of graphene and polymer and a method of manufacturing the complex. The composite structure of graphene and polymer includes: at least one polymer structure having a three-dimensional shape; and a graphene layer formed on the at least one polymer structure.