Abstract: An air purifying light system using unsafe UV-C emitters mounted on an upward facing portion of the frame of the system and at least visible light LEDs mounted on a lower facing portion of the frame, wherein the UV-C emitters are configured to kill viruses and pathogens in a sanitization zone formed between the frame and the ceiling.

Abstract: An air purifying light system using unsafe UV-C emitters mounted on an upward facing portion of the frame of the system and at least visible light LEDs mounted on a lower facing portion of the frame, wherein the UV-C emitters are configured to kill viruses and pathogens in a sanitization zone formed between the frame and the ceiling.

Abstract: An automated UV sterilization system is provided. In some embodiments, the automated UV sterilization system includes a first UV sterilization unit including a first UV lamp, the first UV sterilization unit configured to provide UV exposure. The automated UV sterilization system includes a first sensor coupled to the first UV sterilization unit, the first sensor configured to measure the UV exposure. The automated UV sterilization system is configured to: determine dimensions of a target area surrounding UV sterilization units, determine the UV exposure to be provided based on the determined dimensions, activate the UV exposure to be provided by UV sterilization units, determine a current UV exposure within the target area, and determine whether the current UV exposure meets a target criteria to complete sterilization for the target area surrounding UV sterilization units.

Abstract: A UV sterilization system is provided. In some embodiments, the UV sterilization system includes a first UV LED device having a LED circuit and LED emitters. The UV sterilization system can include a sensor electrically coupled to the first UV LED device, the sensor configured to interrupt the operation of the first UV LED device upon detecting movement within an air conditioning system. The UV sterilization system can include a power module electrically coupled to the sensor, where the power module is electrically coupled to a power supply of the air conditioning system. In some embodiments, the air conditioning system can include a packaged terminal air conditioner (PTAC) unit or a split-air air-conditioner system, and the UV sterilization system can be a part of the PTAC unit or split-air air-conditioning system. In some embodiments, the sensor includes a motion sensor and/or an occupancy sensor.

Abstract: An apparatus for extending the lifetime of an LED device is provided. In some embodiments, the apparatus includes an LED printed circuit board (PCB) having two or more LED circuits thereon, where each of the two or more LED circuits includes a plurality of LED emitters. The apparatus further includes a module electrically coupled to the LED PCB that has a selector configured to move between two or more positions, each position activating one of the one or more LED circuits and a relay configured to control a movement of the selector between the two or more positions based on a received input. Additionally, the apparatus includes a power supply that is electrically coupled to the relay.

Abstract: In various examples, the subject matter of this disclosure relates to devices, systems, and methods for multi-filtration air purification systems. According to one embodiment, a multi-filtration air purification system can include a first air filter including photocatalytic oxidizer (PCO) filter having a ultraviolet (UV) emitter, where the first air filter can be disposed within an air filter receiving region of the multi-filtration air purification system. In an implementation, the multi-filtration air purification system can include a second air filter disposed within an air exhaust region or within the air filter receiving region of the multi-filtration air purification system. In some instances, the second air filter can include at least one of a cold catalytic oxidation (CCO) filter, or a thermal catalytic oxidation (TCO) filter.

Abstract: In various examples, the subject matter of this disclosure relates to devices, systems, and methods for air purification systems. According to one embodiment, a multi-filtration air purification system can include a photocatalytic oxidizer (PCO) filter including an ultraviolet (UV) emitter, the PCO filter disposed within an air filter receiving region of the air purification system. In one implementation, the air purification system can include a removable air filter disposed over the PCO filter and located within the air filter receiving region, where the removable air filter can include a switch trigger. In some instances, the air filter receiving region can include a switch configured to receive the switch trigger, where the switch and switch trigger together are configured to disable operation of the air purification system when the removable air filter is removed from the air filter receiving region.

Abstract: In one aspect, an exterior lighting insect zapper includes a photosensor configured to sense an amount of light for turning on or off an exterior light and an insect zapper coupled to the photosensor. The exterior lighting insect zapper also includes a twist-lock plug compatible with a receptacle of an exterior light for a photosensor unit plug, such that the exterior lighting insect zapper can replace existing photosensors of exterior light fixtures.

Abstract: In one aspect, a retrofit and complimentary light assembly for emitting light can be installed in a ceiling with an existing light fixture as a secondary source to provide UVC emitting light for sterilization purposes or alternative visible light for aesthetic purposes. In yet another embodiment, it can be installed as a standalone light system without an existing light fixture into a ceiling with T-bar supports.

Abstract: In one aspect, a light fixture assembly configured for exterior lighting includes a light fixture. The light fixture includes an LED light source configured for exterior lighting, a driver configured to power the light source and a first electrical connector coupled to the driver. The light fixture also includes a housing to house the LED light source and the driver, where the housing includes an elongated extension on which the first electrical connector resides. The light fixture assembly also includes a neck cuff that fits securely to a light pole. The neck cuff includes a second electrical connector inside that is connected to a power source in the light pole. The extension of the light fixture is configured to be inserted into the neck cuff such that the first electrical connector of the light fixture removably connects to the second electrical connector of the neck cuff.

Abstract: In one aspect, a new light fixture intended to replace an older light fixture includes a light source configured to emit light, a driver configured to control operation of the light source and a body housing the light source and the driver. The body has a back side with two opposing sidewalls angled at least 35 degrees. Stability spacer clips are configured to attach to each corner of the light fixture to help adapt the light fixture to an existing frame in a ceiling including swing frames, T-bar frames and so forth.

Abstract: In one aspect, a power module configured to provide power to a plurality of LED light fixtures includes a plenum-rated structure. The power module is configured to provide DC power or low voltage AC power to the LED light fixtures via a plurality of plenum-rated pigtail cables and a plurality of quick-connect connectors for each of the pigtail cables.

Abstract: In one aspect, a light assembly configured to be installed in a movie theatre projector includes an emitter housing with an LED emitter plate that emits a beam of light and a lens assembly. The light assembly also includes a cooling assembly configured to dissipate heat from the LED emitter plate. The a cooling assembly includes a cooling fluid jacket coupled to the LED emitter plate, where the cooling fluid jacket comprises a metal layer enclosing a hollow path for cooling fluid, and where the cooling fluid jacket is configured to allow the cooling fluid to pass through cooling fluid jacket, thereby drawing heat from the LED emitter plate. The light assembly also includes a heat sink and a cooling fan. The cooling assembly further includes cooling sections to cool the cooling fluid that flows out of the cooling fluid jacket.

Abstract: In one aspect, a light fixture includes a light source configured to emit light, a driver configured to control operation of the light source and a body housing the light source and the driver. The body is rectangular and configured in length and width so as to slide into a prismatic lens frame of an existing light fixture installed in a ceiling, fill in the frame and be held in place by the frame, where the frame is configured to hold a translucent prismatic lens and close on the existing light fixture. The body of the light fixture is also configured to fit between a body of the existing light fixture and the closed frame. The body is configured in thickness along the perimeter such that the perimeter of the body is able to slide into, fill and be held by the frame.

Abstract: In one aspect, a troffer light fixture includes a troffer body shaped to reflect or disperse light from a light source that includes LEDs attached to a first side of the troffer body. The troffer body includes two or more vents that are configured to pass air from the first side of the troffer body to open space on a second side of the troffer body for a duct-less HVAC air intake.

Abstract: In one aspect, an exterior lighting insect zapper includes a photosensor configured to sense an amount of light for turning on or off an exterior light and an insect zapper coupled to the photosensor. The exterior lighting insect zapper also includes a twist-lock plug compatible with a receptacle of an exterior light for a photosensor unit plug, such that the exterior lighting insect zapper can replace existing photosensors of exterior light fixtures.

Abstract: In one aspect, a light fixture assembly configured for exterior lighting includes a light fixture. The light fixture includes an LED light source configured for exterior lighting, a driver configured to power the light source and a first electrical connector coupled to the driver. The light fixture also includes a housing to house the LED light source and the driver, where the housing includes an elongated extension on which the first electrical connector resides. The light fixture assembly also includes a neck cuff that fits securely to a light pole. The neck cuff includes a second electrical connector inside that is connected to a power source in the light pole. The extension of the light fixture is configured to be inserted into the neck cuff such that the first electrical connector of the light fixture removably connects to the second electrical connector of the neck cuff.

Abstract: In one aspect, a light assembly configured to be installed in a movie theatre projector includes an emitter housing with an LED emitter plate that emits a beam of light and a lens assembly. The light assembly also includes a cooling assembly configured to dissipate heat from the LED emitter plate. The a cooling assembly includes a cooling fluid jacket coupled to the LED emitter plate, where the cooling fluid jacket comprises a metal layer enclosing a hollow path for cooling fluid, and where the cooling fluid jacket is configured to allow the cooling fluid to pass through cooling fluid jacket, thereby drawing heat from the LED emitter plate. The light assembly also includes a heat sink and a cooling fan. The cooling assembly further includes cooling sections to cool the cooling fluid that flows out of the cooling fluid jacket.

Abstract: In one aspect, a light assembly configured to be installed in a movie theatre projector includes an emitter housing with an LED emitter plate that emits a beam of light and a lens assembly. The light assembly also includes a cooling assembly configured to dissipate heat from the LED emitter plate. The a cooling assembly includes a cooling fluid jacket coupled to the LED emitter plate, where the cooling fluid jacket comprises a metal layer enclosing a hollow path for cooling fluid, and where the cooling fluid jacket is configured to allow the cooling fluid to pass through cooling fluid jacket, thereby drawing heat from the LED emitter plate. The light assembly also includes a heat sink and a cooling fan. The cooling assembly further includes cooling sections to cool the cooling fluid that flows out of the cooling fluid jacket.

Abstract: In one aspect, a light assembly configured to be installed in a movie theatre projector includes an emitter housing with an LED emitter plate that emits a beam of light and a lens assembly. The light assembly also includes a cooling assembly configured to dissipate heat from the LED emitter plate. The a cooling assembly includes a cooling fluid jacket coupled to the LED emitter plate, where the cooling fluid jacket comprises a metal layer enclosing a hollow path for cooling fluid, and where the cooling fluid jacket is configured to allow the cooling fluid to pass through cooling fluid jacket, thereby drawing heat from the LED emitter plate. The light assembly also includes a heat sink and a cooling fan. The cooling assembly further includes cooling sections to cool the cooling fluid that flows out of the cooling fluid jacket.