Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.

Abstract: An automated gas supply system includes a gas cylinder transfer unit configured to transfer a cradle in which one or more gas cylinders storing a gas therein are stored; a gas cylinder inspection unit configured to check properties of the gas stored in the gas cylinder transferred from the gas cylinder transfer unit and check whether the gas leaks from the gas cylinder; a storage queue configured to receive the gas cylinder from the gas cylinder inspection unit by a mobile robot and configured to classify and store the transferred gas cylinders according to the properties of the gas stored in the gas cylinder; and a gas cabinet configured to receive the gas cylinder from the storage queue by the mobile robot and fasten a gas pipe, which is connected to a semiconductor manufacturing process line, to a gas spray nozzle, which is disposed at one side of the received gas cylinder, to supply the gas stored in the gas cylinder to the semiconductor manufacturing process line, wherein the gas cabinet includes a resid

Abstract: A photonic crystal device includes a two-dimensional crystal including a gain medium and having a first photonic crystal resonator and a second photonic crystal resonator spaced apart from each other and a graphene layer disposed to cover a portion of the first photonic crystal resonator and not to cover the second photonic crystal resonator.

Abstract: A photoelectric semiconductor nanowire device and a method for manufacturing the same. The photoelectric semiconductor nanowire device includes a semiconductor nanowire doped with a dopant of a first conductivity type and including crystal semiconductor segments which include at least one porous semiconductor segment and are connected to opposite ends of the porous semiconductor segment. A first electrode and a second electrode respectively are disposed in the crystal semiconductor segments around the porous semiconductor segment to provide an electrical connection. The crystal semiconductor segment includes a crystal semiconductor, and the porous semiconductor segment includes a porous semiconductor. The semiconductor nanowire provides a current according to the intensity of an external light when the external light is irradiated to the porous semiconductor segment.

Abstract: A photoelectric semiconductor nanowire device and a method for manufacturing the same. The photoelectric semiconductor nanowire device includes a semiconductor nanowire doped with a dopant of a first conductivity type and including crystal semiconductor segments which include at least one porous semiconductor segment and are connected to opposite ends of the porous semiconductor segment. A first electrode and a second electrode respectively are disposed in the crystal semiconductor segments around the porous semiconductor segment to provide an electrical connection. The crystal semiconductor segment includes a crystal semiconductor, and the porous semiconductor segment includes a porous semiconductor. The semiconductor nanowire provides a current according to the intensity of an external light when the external light is irradiated to the porous semiconductor segment.

Abstract: A photonic crystal device includes a two-dimensional crystal including a gain medium and having a first photonic crystal resonator and a second photonic crystal resonator spaced apart from each other and a graphene layer disposed to cover a portion of the first photonic crystal resonator and not to cover the second photonic crystal resonator.

Abstract: The present invention pertains to an inside diameter-adjustable ring in which the inside diameter of the ring is adjustable, and more specifically, to an inside diameter-adjustable ring which comprises: an outside ring which has coupling grooves formed along the inner surface thereof; and an inside ring which is inserted into said coupling grooves and forms the inside diameter of the ring, wherein: separation prevention ridges are formed in the coupling grooves of said outside ring in order to prevent the inserted inside ring from being taken out; a curved portion which is bent to the inner side is formed along the outer surface of said inside ring, so that an air gap is formed on the inner side by the curved portion when said inside ring is inserted into the coupling grooves; a plurality of holes are formed on said inside ring; minerals which emit anions and far-infrared radiation are contained in said inside ring, and embossed parts are formed on the inner surface of said inside ring such that a consumer is