An air purification apparatus and methods of air purification and treatment using ionization is disclosed. In some embodiments, an ion generator apparatus comprises a modular electrode and a housing connected to the modular electrode. The modular electrode includes an elongated conduit body comprising a power receiving end and a conduit connecting end opposite the power receiving end; and a plurality of ion generating elements occupying different radial positions around a perimeter of the conduit body, the ion generating elements generating negative ions or positive ions in response to an applied alternating current. A first electrical connector on the power receiving end is connectable to a second electrical connector on the conduit connecting end of another conduit body, such that a plurality of conduit bodies can be connected together in a series. The housing is connected to a power receiving end of one of the conduit bodies of the modular electrode.

Systems and methods for creating a germicidal partition. A germicidal partition system including at least one negative ion generator including at least one negative high-voltage source, at least one high-voltage conductor electrically connected to the at least one negative high-voltage source, and at least one anode electrically connected to the at least one high-voltage conductor, and at least one fan configured to draw air into the system, direct the air through the at least one negative ion generator, and output the air through at least one manifold, wherein the air outputted through the at least one manifold is configured to create a barrier between a first air mass and a second air mass, such that the outputted air reduces at least one of the transfer of contaminants or the concentration of viable contagions between the first air mass and the second air mass.

Systems and methods for creating a germicidal partition. A germicidal partition system including at least one negative ion generator including at least one negative high-voltage source, at least one high-voltage conductor electrically connected to the at least one negative high-voltage source, and at least one anode electrically connected to the at least one high-voltage conductor, and at least one fan configured to draw air into the system, direct the air through the at least one negative ion generator, and output the air through at least one manifold, wherein the air outputted through the at least one manifold is configured to create a barrier between a first air mass and a second air mass, such that the outputted air reduces at least one of the transfer of contaminants or the concentration of viable contagions between the first air mass and the second air mass.

Provided is a compact ultraviolet irradiation device in which a degree of an adverse effect on the human body is suppressed. The ultraviolet irradiation device includes: a lamp house on the surface of which a light extraction surface is formed; an excimer lamp accommodated in the lamp house, a main emission wavelength of which belongs to a first wavelength band of 190-225 nm; an optical filter that is arranged on the light extraction surface and substantially transmits the ultraviolet light in the first wavelength band and substantially reflect the ultraviolet light of a wavelength of 240-300 nm; and a reflecting surface that is a surface located outside the luminous tube of the excimer lamp and inclined with respect to the light extraction surface, the reflecting surface exhibiting reflectivity with respect to the ultraviolet light in the first wavelength band.

Disclosed herein is a diffuser air purification unit. The diffuser air purification unit can comprise a diffuser, a filtration chamber, a purification chamber, a blower, a housing, and a control module. The filtration chamber can be configured to receive air through the diffuser from an external setting in which the diffuser air purification unit is installed and to cause a filtration of the air when the air flows through the filtration chamber. The purification chamber can be configured to receive the air from the filtration chamber and to cause a purification of the air when the air flows through the purification chamber. The blower can be configured to intake the air from the external setting through the diffuser, the filtration chamber, and the purification chamber and to expel the air into the external setting. The housing can at least partially enclose the filtration chamber and the purification chamber. The control module can be secured to the housing and be configured to control an operation of the diffuser air purification unit.

Disclosed herein is a diffuser air purification unit. The diffuser air purification unit can comprise a diffuser, a filtration chamber, a purification chamber, a blower, a housing, and a control module. The filtration chamber can be configured to receive air through the diffuser from an external setting in which the diffuser air purification unit is installed and to cause a filtration of the air when the air flows through the filtration chamber. The purification chamber can be configured to receive the air from the filtration chamber and to cause a purification of the air when the air flows through the purification chamber. The blower can be configured to intake the air from the external setting through the diffuser, the filtration chamber, and the purification chamber and to expel the air into the external setting. The housing can at least partially enclose the filtration chamber and the purification chamber. The control module can be secured to the housing and be configured to control an operation of the diffuser air purification unit.

A portable airborne pathogen control apparatus and system. Aspects of the present disclosure provide for a portable airborne pathogen control apparatus configured to be selectively positioned within an interior room and configured to enable a floor-to-ceiling flow of air within the interior room. The portable airborne pathogen control apparatus may comprise a housing with an air intake disposed at a lower area of a base housing and an air outlet disposed at an upper area of an elongated duct extending from the base housing. A blower fan housed within an interior chamber of the housing may be configured to direct a floor-to-ceiling flow of air through the interior chamber from the air intake to the air outlet. A volume of air directed through the interior chamber of the housing may be disinfected using one or more UV-C emitters and/or cold plasma generator(s) housing in the interior chamber of the housing.

The disclosure relates to a flexible active species generator comprising: a first electrode of a conductive metal thin film; a second electrode of a ground electrode; a flexible dielectric layer of an insulator formed between the first electrode and the second electrode; and a plasma resistant functional layer formed between the dielectric layer and the second electrode, wherein the first electrode and the second electrode are electrically connected to an external power supply to generate an atmospheric pressure plasma to generate active species. The flexible active species generator has a plasma resistant function to prevent deformation and decomposition of an insulator caused by the plasma as well as an active species generating function from atmospheric pressure plasma, and has durability and safety, which is thus applicable to articles, foods, garments and human body in various forms.

The disclosure relates to a flexible active species generator comprising: a first electrode of a conductive metal thin film; a second electrode of a ground electrode; a flexible dielectric layer of an insulator formed between the first electrode and the second electrode; and a plasma resistant functional layer formed between the dielectric layer and the second electrode, wherein the first electrode and the second electrode are electrically connected to an external power supply to generate an atmospheric pressure plasma to generate active species. The flexible active species generator has a plasma resistant function to prevent deformation and decomposition of an insulator caused by the plasma as well as an active species generating function from atmospheric pressure plasma, and has durability and safety, which is thus applicable to articles, foods, garments and human body in various forms.

This disclosure relates to a plasma generator including a porous ceramic dielectric. More specifically, this disclosure relates to a plasma generator for air purification capable of effectively generating ozone for removing bacteria, viruses, etc., and minimizing pressure loss while increasing air purification capacity by including a porous ceramic dielectric coated with an antibacterial material.