A method and device for disinfecting a body of water including the steps of detecting a microbial characteristic of a body of water via a sensor and comparing the microbial characteristic to a target threshold. Upon determining the microbial characteristic is below the target threshold, the method further includes the steps of emitting, via a light emitter in a device, a disinfecting light comprising a wavelength range of 380-420 nanometers (nm) into the body of water, determining, via a controller, a concentration and frequency of chemicals to deposit into the body of water based on the detected microbial characteristic, and depositing, via a mechanism in a device, a chemical into the body of water at the determined concentration and frequency.
Radiant energy control systems, methods, and apparatuses are provided. An example disinfecting LED lighting system nay include at least one light fixture disposed in or on a ceiling in an environment and configured to output a first light and a second light in which the first light and the second light are emitted from independent sources and operate independently, at least one sensor in communication with the at least one light fixture and configured to detect a characteristic of the environment, and a controller in communication with the at least one sensor and the at least one light fixture and configured to cause an event; wherein the event comprises an adjustment of the first light and/or an adjustment of the second light.
A61L 12/06 - Radiation, e.g. ultraviolet or microwaves
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using chemical indicators
A surface light emitting device that inactivates microorganisms may include at least one light emitter configured to emit a first light comprising a first peak wavelength wherein the first light is a blue light, and a light converting layer disposed over the at least one light emitter. The light converting layer may include a first light-converting material configured to convert only a first portion of the first light to at least a second light comprising a second peak wavelength different from the first peak wavelength, a second light-converting material configured to convert only a second portion of the first light to at least a third light comprising a third peak wavelength different from the first peak wavelength and the second peak wavelength.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
A device configured to inactivate microorganisms may include a container comprising at least one surface and an internal volumetric space, a removable cover comprising at least one substrate facing into the internal volumetric space, and a first array of light emitters disposed on the substrate and configured to emit a first light, within a wavelength range of 380-420 nanometers (nm) and having a first intensity, into the internal volumetric space, wherein the first intensity comprises an intensity sufficient to initiate inactivation of microorganisms, and wherein the first light creates a multi-dimensional space of disinfection associated with the internal volumetric space.
A surface light emitting device that inactivates microorganisms may include at least one light emitter configured to emit a first light comprising a first peak wavelength wherein the first light is a blue light, and a light converting layer disposed over the at least one light emitter. The light converting layer may include a first light-converting material configured to convert only a first portion of the first light to at least a second light comprising a second peak wavelength different from the first peak wavelength, a second light-converting material configured to convert only a second portion of the first light to at least a third light comprising a third peak wavelength different from the first peak wavelength and the second peak wavelength.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
A system or device configured to disinfect an appliance may include at least one or more light emitters configured to emit disinfecting light. The system may be further configured to direct the disinfecting light to illuminate a surface of an appliance.
D06F 23/02 - Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis
D06F 33/43 - Control of cleaning or disinfection of washing machine parts, e.g. of tubs
Methods and systems involving disinfecting light subcomponents are provided. An example system may include 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. The light may comprise an irradiance at the surface sufficient to initiate inactivation of microorganisms on the surface.
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.
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.
G01N 21/00 - Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
G01N 23/00 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or
A61L 12/06 - Radiation, e.g. ultraviolet or microwaves
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using chemical indicators
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.
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.
F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
F24F 8/108 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
Apparatuses, systems, and methods for combined light disinfection are disclosed. In some examples, a light fixture may comprise a first light source configured to emit a first light comprising a wavelength in a range of 380-420 nanometers (nm) and a second light source configured to emit a second light comprising a wavelength in a range of 200-230 nm, wherein the first light source and the second light source are separated to prevent degradation, by the second light, of the first light source, and wherein the first light and the second light combine to form a disinfecting light configured to initiate inactivation of microorganisms.
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.
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.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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.
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.
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.
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.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
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.
A61L 2/00 - Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lensesAccessories therefor
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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.
Systems, methods, and apparatuses involving lighting device dissipation are provided. An example light emitting device for inactivating microorganisms may comprise a vent configured to allow air to flow therethrough. The light emitting device may comprise a light emitter disposed on a substrate and configured to at least produce a light. The light may comprise a radiant flux sufficient to initiate inactivation of microorganisms, wherein at least 20% of a spectral energy of the light is in a wavelength in a range of 380-420 nanometers (nm). The light emitting device may comprise a fan configured to create an airflow through the vent and towards the substrate.
Methods, systems, and devices for inactivating microorganisms are disclosed. An example method comprises emitting, with a first light source, a first light comprising a first correlated color temperature (CCT), emitting, with a second light source, a second light comprising a second CCT and, varying respective power levels of the first light source and the second light source such that the first light and the second light combine to form white light comprising an intensity associated with light in a 380-420 nanometer (nm) wavelength range sufficient to initiate inactivation of microorganisms on the surface and a third CCT between the first CCT and the second CCT.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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 infra-red light.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
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 infra-red light.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
Disclosed herein is a device which inactivates microorganisms. The device includes a light emitter and at least one light-converting material arranged to convert at least a portion of light from the light emitter. Any light emitted from the light emitter and converted light emitted from the at least one light-converting material mixes to form a combined light, the combined light having a proportion of spectral energy measured in an approximately 380 nm to approximately 420 nm range of greater than approximately 10 percent. In another embodiment, the device includes a light emitter configured to emit light with wavelengths in a range of 380 to 420 nm, and at least one light-converting material including at least one optical brightener and configured to emit a second light. The first light exiting the device and the second light exiting the device mix to form a combined light, the combined light being white.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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.
A light emitting cover which inactivates microorganisms for covering a high touch surface is disclosed. The light emitting cover includes a body having an interior configured to cover at least a portion of the high touch surface and an exterior surface configured to be disinfected. At least an exterior portion of the body is transparent or translucent. A light emitter operably is coupled to the body for emitting a light through the exterior surface. The light exiting the exterior surface has at least a portion thereof having a wavelength in a range of 380 to 420 nanometers to disinfect the exterior surface.
Light directing elements, methods, and systems are disclosed. An example light directing element may comprise an elongated body having a first end, a second end and an exterior surface, the elongated body being transparent or translucent to permit transmission of light axially and radially therethrough, a light emitter disposed at the first end of the elongated body, and a diffuser including at least one reflective element disposed within the elongated body, wherein the diffuser is configured to redirect axially emitted light from the light emitter radially towards the exterior surface and wherein the diffuser expands in cross-section towards the second end.
Disclosed herein is a device which inactivates microorganisms. The device includes a light emitter and at least one light-converting material arranged to convert at least a portion of light from the light emitter. Any light emitted from the light emitter and converted light emitted from the at least one light-converting material mixes to form a combined light, the combined light having a proportion of spectral energy measured in an approximately 380 nm to approximately 420 nm range of greater than approximately 20 percent. In another embodiment, the device includes a light emitter configured to emit light with wavelengths in a range of 380 to 420 nm, and at least one light-converting material including at least one optical brightener and configured to emit a second light. The first light exiting the device and the second light exiting the device mix to form a combined light, the combined light being white.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
Disclosed herein is a device which inactivates microorganisms. The device includes a light emitter and at least one light-converting material arranged to convert at least a portion of light from the light emitter. Any light emitted from the light emitter and converted light emitted from the at least one light-converting material mixes to form a combined light, the combined light having a proportion of spectral energy measured in an approximately 380 nm to approximately 420 nm range of greater than approximately 20 percent. In another embodiment, the device includes a light emitter configured to emit light with wavelengths in a range of 380 to 420 nm, and at least one light-converting material including at least one optical brightener and configured to emit a second light. The first light exiting the device and the second light exiting the device mix to form a combined light, the combined light being white.
F21V 9/16 - Selection of luminescent materials for light screens
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
Disclosed is a method of automatically calibrating a luminaire including at least one light emitting diode (LED) engine, the LED engine including a plurality of LEDs and a controller for driving the at least one LED engine. The method comprises acquiring an image of light emitted from each LED of the LED engine, first determining whether each LED has a predetermined intensity for a color of the LED, first adjusting each LED that does not have the predetermined intensity to have the predetermined intensity for the color of the LED, measuring, by a spectrometer, a color spectrum of a combined light of the LED engine, the color spectrum including a plurality of measured color spectrums, second determining whether a variation exists between each of the plurality of measured color spectrums and a predetermined color spectrum of a control data unit, and second adjusting at least one LED to correct variation.
Disclosed herein is a light fixture. The light fixture includes at least one first light source that emits at a peak wavelength in a range of approximately 380 nm to approximately 420 nm and at least one second light source that emits at a different peak wavelength, wherein a combined light output of the at least one first light source and the at least one second light source emits a colored light that is perceived as white light. The white light is defined by having a color rendering index (CRI) value of more than approximately 50. The at least one second light source that emits at a different peak wavelength consists of an xy coordinate on a International Commission on Illumination (CIE) 1931 xy color space diagram above a black body curve within a bounded area defined by a first line of approximately y=2.23989x−0.382773 and a second line of approximately y=1.1551x−0.195082. The combined light output has a proportion of spectral energy measured in the approximately 380 nm to approximately 420 nm range of greater than approximately 20%.
Disclosed herein is a light fixture. The light fixture includes at least one first light source that emits at a peak wavelength in a range of approximately 380 nm to approximately 420 nm and at least one second light source that emits at a different peak wavelength, wherein a combined light output of the at least one first light source and the at least one second light source emits a colored light that is perceived as white light. The white light is defined by having a color rendering index (CRI) value of more than approximately 50. The at least one second light source that emits at a different peak wavelength consists of an xy coordinate on a International Commission on Illumination (CIE) 1931 xy color space diagram above a black body curve within a bounded area defined by a first line of approximately y=2.23989x−0.382773 and a second line of approximately y=1.1551x−0.195082. The combined light output has a proportion of spectral energy measured in the approximately 380 nm to approximately 420 nm range of greater than approximately 20%.
