Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: A lighting device configured to deactivate dangerous microorganisms in an environment. The lighting device includes at least one lighting element with a single light source configured to provide disinfecting light. At least a first component of the light has a wavelength of about 405 nm, and at least a second component of the light has a wavelength of greater than 500 nm. The first component of light has a minimum integrated irradiance of 0.01 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device.

Abstract: A lighting device configured to deactivate dangerous pathogens (e.g., MRSA bacteria) in an environment. The lighting device includes at least one lighting element with a single light source configured to provide light. At least a first component of the light comprising light having a wavelength of about 405 nm, and at least a second component of the light comprising light having a wavelength of greater than 420 nm. The first component of light has a minimum integrated irradiance of 0.01 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes at least one first light-emitting element configured to emit light having a wavelength of between 400 nm and 420 nm, wherein the light emitted by the at least one first light-emitting element is configured to deactivate the pathogens in the environment. The lighting device also includes at least one second light-emitting element configured to emit light having a wavelength of greater than 420 nm. A first combined light output of the light emitted by the at least one first and the at least one second light-emitting elements includes visible light that is perceived as white light. The white light has properties that make it visually appealing and unobjectionable.

Abstract: Methods and lighting systems to deactivating deactivate MRSA bacteria in a volumetric space over a period of time. At least one lighting element of each of one or more lighting fixtures provide light. The light includes a first disinfecting light having a wavelength of about 405 nm and a minimum integrated irradiance of 0.01 mW/cm2, and a second component having a wavelength of greater than 420 nm. The one or more lighting elements of the one or more lighting fixtures apply a determined total radiometric power to produce a desired power density measured at any exposed surface within the volumetric space during the period of time. The minimum power density includes a minimum integrated irradiance of the disinfecting light equal to 0.01 mW/cm2.

Abstract: A lighting device configured to deactivate MRSA bacteria in air in an environment, including a housing; a light-emitting diode (LED) configured to emit light having a wavelength of about 470 nm; a light converting phosphor coating; wherein a first component of the light emitted by the LED travels through the light converting phosphor coating without alteration, and a second component of light emitted by the LED is converted by the converting phosphor coating into light having a wavelength of greater than 500 nm; wherein the first component of the light has a minimum integrated irradiance of 0.01 mW/cm2; wherein the first component of the light emitted by the LED and the second component of light emitted by the LED mix to form a combined light, with the combined light being visible light; and means for directing the combined visible light to the air in the environment.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: A lighting device configured to deactivate dangerous pathogens (e.g., MRSA bacteria) in an environment. The lighting device includes at least one lighting element with a single light source configured to provide light. At least a first component of the light comprising light having a wavelength of about 405 nm, and at least a second component of the light comprising light having a wavelength of greater than 420 nm. The first component of light has a minimum integrated irradiance of 0.01 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: A lighting system configured to provide light and disinfect air in an environment. The lighting system includes an HVAC unit configured to provide air to the environment, and a lighting device configured to deactivate microorganisms in the air. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes at least one first light-emitting element configured to emit light having a wavelength of between 400 nm and 420 nm, wherein the light emitted by the at least one first light-emitting element is configured to deactivate the pathogens in the environment. The lighting device also includes at least one second light-emitting element configured to emit light having a wavelength of greater than 420 nm. A first combined light output of the light emitted by the at least one first and the at least one second light-emitting elements includes visible light that is perceived as white light. The white light has properties that make it visually appealing and unobjectionable.

Abstract: A lighting device configured to deactivate MRSA bacteria in air in an environment, including a housing; a light-emitting diode (LED) configured to emit light having a wavelength of about 470 nm; a light converting phosphor coating; wherein a first component of the light emitted by the LED travels through the light converting phosphor coating without alteration, and a second component of light emitted by the LED is converted by the converting phosphor coating into light having a wavelength of greater than 500 nm; wherein the first component of the light has a minimum integrated irradiance of 0.01 mW/cm2; wherein the first component of the light emitted by the LED and the second component of light emitted by the LED mix to form a combined light, with the combined light being visible light; and means for directing the combined visible light to the air in the environment.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: A lighting device configured to deactivate dangerous microorganisms in an environment. The lighting device includes at least one lighting element with a single light source configured to provide disinfecting light. At least a first component of the light has a wavelength of about 405 nm, and at least a second component of the light has a wavelength of greater than 500 nm. The first component of light has a minimum integrated irradiance of 0.01 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device.

Abstract: A lighting system configured to provide light and disinfect air in an environment. The lighting system includes an HVAC unit configured to provide air to the environment, and a lighting device configured to deactivate microorganisms in the air. The lighting device includes a housing, means for mounting the housing to a surface in the environment, one or more first light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a first range of wavelengths, and one or more second light-emitting elements arranged in the housing and configured to each produce disinfecting light having a wavelength in a second range of wavelengths different from the first range of wavelengths. The disinfecting light produced by the first light-emitting elements and the disinfecting light produced by the second light-emitting elements mix to form a combined light, the combined light being visible light other than white light.

Abstract: Methods and lighting systems to deactivating deactivate MRSA bacteria in a volumetric space over a period of time. At least one lighting element of each of one or more lighting fixtures provide light. The light includes a first disinfecting light having a wavelength of about 405 nm and a minimum integrated irradiance of 0.01 mW/cm2, and a second component having a wavelength of greater than 420 nm. The one or more lighting elements of the one or more lighting fixtures apply a determined total radiometric power to produce a desired power density measured at any exposed surface within the volumetric space during the period of time. The minimum power density includes a minimum integrated irradiance of the disinfecting light equal to 0.01 mW/cm2.

Abstract: A lighting device configured to deactivate dangerous pathogens (e.g., MRSA bacteria) in an environment. The lighting device includes at least one lighting element with a single light source configured to provide light. At least a first component of the light comprising light having a wavelength of about 405 nm, and at least a second component of the light comprising light having a wavelength of greater than 420 nm. The first component of light has a minimum integrated irradiance of 0.01 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device.

Abstract: A lighting device configured to deactivate dangerous pathogens (e.g., MRSA bacteria) in an environment. The lighting device includes at least one lighting element configured to provide light. At least a first component of the light comprising light having a wavelength of between 400 nm and 420 nm, and at least a second component of the light comprising light having a wavelength of greater than 420 nm. The first component of light has a minimum integrated irradiance of 0.05 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device.

Abstract: A lighting device configured to deactivate pathogens in an environment. The lighting device includes at least one first light-emitting element configured to emit light having a wavelength of between 400 nm and 420 nm, wherein the light emitted by the at least one first light-emitting element is configured to deactivate the pathogens in the environment. The lighting device also includes at least one second light-emitting element configured to emit light having a wavelength of greater than 420 nm. A first combined light output of the light emitted by the at least one first and the at least one second light-emitting elements includes visible light that is perceived as white light. The white light has properties that make it visually appealing and unobjectionable.