Abstract: Methods, systems, and apparatuses involving disinfecting light subcomponents are provided. An example system comprises a substrate with one or more light emitters disposed on the substrate. The one or more light emitters may be configured to inactivate microorganisms on a surface by emitting light. The light may comprise a proportion of spectral energy of the light, measured in a 380 nanometers (nm) to 420 nm wavelength range, greater than 50%. The light may comprise a full width half max (FWHM) emission spectrum of less than 20 nm and centered at a wavelength of approximately 405 nm to concentrate a spectral energy of the light and minimize energy associated with wavelengths that bleed into an ultraviolet wavelength range. The light may comprise an irradiance at the surface sufficient to initiate inactivation of microorganisms on the surface.

Abstract: Radiant energy control systems, methods, and apparatuses are provided. An example light emitting device may comprise a sensor operable to detect whether a space is occupied, and a controller in communication with the sensor and operable to cause output, via a first light emitter white light comprising a wavelength range of 380 to 420 nm, and cause output, via a second light emitter a non-white light comprising a wavelength range of 380 to 420 nm.

Abstract: A system may include an area configured to accept an object for disinfection, a first light emitter configured to emit a first light within a wavelength range of 380-420 nanometers (nm) and having a first intensity, and a second light emitter configured to emit a second light within a wavelength range of 380-420 nanometers (nm) and having a second intensity, wherein the first intensity and the second intensity comprise an intensity sufficient to initiate inactivation of microorganisms, and wherein the first light and the second light create a multi-dimensional space of disinfection.

Abstract: Systems and methods for bacterial load sensing devices are disclosed. An example contamination sensing device may comprise a body, a light emitter disposed on the body and configured to emit an excitation wavelength of light toward a surface, a sensor disposed on the body, configured to detect light, and directed toward the surface, and a filter adjuster configured to determine, based on the excitation wavelength of light, a filter configured to remove light outside of an emission wavelength range, wherein the emission wavelength range corresponds to wavelengths of light emitted by contamination upon exposure to the excitation wavelength of light, and adjustably move the filter in front of the sensor.

Abstract: A method and system for disinfecting air purification and heating, ventilation, air conditioning (HVAC) devices may include a fibrous media filter, an antimicrobial filter layer positioned adjacent to one or more surfaces of the fibrous media filter, and one or more light emitters positioned within the antimicrobial filter layer and configured to emit a disinfecting light. The disinfecting light may include an irradiance sufficient to inactivate microorganisms on the fibrous media filter, and the disinfecting light may include a wavelength from about 380 nm to about 420 nm.

Abstract: Methods, systems, and devices for inactivating microorganisms are disclosed. An example light emitting device that inactivates microorganisms on a surface comprises a light emitter configured to emit a first light comprising a first wavelength in a range of 380 nanometers (nm) to 420 nm, a first light-converting material configured to convert a first portion of the first light to at least a second light comprising a second wavelength different from the first wavelength, and a second light-converting material configured to convert a second portion of the first light to at least a third light comprising a third wavelength different from the first wavelength, wherein at least the first light, the second light, and the third light mix to form a disinfecting white light.

Abstract: Methods, systems, and apparatuses involving devices with disinfecting illumination are provided. An example apparatus comprises a container comprising a first side and a second side, a first array of light emitters disposed on the first side and configured to emit a first light within a wavelength range of 380-420 nanometers (nm) and having a first intensity, and a second array of light emitters disposed on the second side and configured to emit a second light within the wavelength range of 380-420 nm and having a second intensity, wherein the first intensity comprises an intensity sufficient to initiate inactivation of micro-organisms, and wherein the first array of light emitters and the second array of light emitters are configured to collectively create a multi-dimensional space of disinfection.

Abstract: Methods, systems, and devices for inactivating microorganisms are disclosed. An example light emitting device that inactivates microorganisms on a surface comprises a light emitter configured to emit a first light comprising a first wavelength in a range of 380 nanometers (nm) to 420 nm, a first light-converting material configured to convert a first portion of the first light to at least a second light comprising a second wavelength different from the first wavelength, and a second light-converting material configured to convert a second portion of the first light to at least a third light comprising a third wavelength different from the first wavelength, wherein at least the first light, the second light, and the third light mix to form a disinfecting white light, wherein the first light makes up at least 10% of the disinfecting white light.

Abstract: Systems and methods for bacterial load sensing devices are disclosed. An example contamination sensing device may comprise a body, a light emitter disposed on the body and configured to emit an excitation wavelength of light toward a surface, a sensor disposed on the body, configured to detect light, and directed toward the surface, and a filter adjuster configured to determine, based on the excitation wavelength of light, a filter configured to remove light outside of an emission wavelength range, wherein the emission wavelength range corresponds to wavelengths of light emitted by contamination upon exposure to the excitation wavelength of light, and adjustably move the filter in front of the sensor.

Abstract: Systems and methods for multiple band visible light disinfection are disclosed. In some examples, a disinfecting light is generated by combining two different disinfecting wavelength ranges of light. A lighting device may comprise a first light source that generates light in a Soret band. The lighting device may further comprise a second light source that generates light in a Q band. The light in the Soret band and the light in the Q band may be combined to generate disinfecting light.

Abstract: A light emitting device which inactivates microorganisms is disclosed. The light emitting device may include a flexible light emitting layer emitting a light; and a transparent or translucent layer over the flexible light emitting layer. The light may travel through and exit an exterior surface of the transparent or translucent layer, creating an exiting light. The exiting light exiting the transparent or translucent layer may have at least a portion thereof having a wavelength in a range of 380 to 420 nanometers, and may disinfect the exterior surface of the transparent or translucent layer. The light emitting device may be used alone to create a self-disinfecting high touch surface, e.g., on a door, or may be shaped to mate with other structure to create a disinfecting high touch surface.

Abstract: Disclosed herein is a multiple light emitter device which inactivates microorganisms. The device includes at least two light emitters and at least one light-converting material arranged to convert at least a portion of light from the light emitters. Any unconverted light emitted from the light emitters and converted light emitted from the at least one light-converting material mixes to form a combined light, the combined light being white. In one aspect, the light emitters include at least one blue light emitter and at least one violet light emitter. In another aspect, the light emitters include one blue light emitter and one emitter within the range of approximately yellow to infrared light.

Abstract: Methods, systems, and apparatuses involving devices with disinfecting illumination are provided. An example apparatus comprises a container comprising a first side and a second side, a first array of light emitters disposed on the first side and configured to emit a first light within a wavelength range of 380-420 nanometers (nm) and having a first intensity, and a second array of light emitters disposed on the second side and configured to emit a second light within the wavelength range of 380-420 nm and having a second intensity, wherein the first intensity comprises an intensity sufficient to initiate inactivation of micro-organisms, and wherein the first array of light emitters and the second array of light emitters are configured to collectively create a multi-dimensional space of disinfection.