Far uv c can light fixture

Abstract

A can type fixture including a housing adapted for insertion into a hole in a ceiling. An excimer bulb or plurality of excimer bulbs supported in the housing and adapted for emitting Far UV C radiation at a plurality of wavelengths. A filter or a plurality of filters adapted for removing Far UV C wavelengths harmful to humans. A reflector and/or a diffusion layer. A driver/power supply is supported by the housing. The driver/power supply is adapted for providing electrical power to the excimer bulb(s) and is in electrical communication with the excimer bulb(s). The driver/power supply may be adapted to dim the excimer bulb(s). An illumination element, such as an LED array may be supported in the housing. The fixture may also include a motion sensor, crowd density sensor, proximity sensor, and/or distance sensor and may communicate via IoT.

What is claimed is: 
     
         1 . A can type fixture, comprising:
 a housing adapted for insertion into a hole in a ceiling;   an excimer bulb supported in said housing;   said excimer bulb adapted for emitting Far UV C radiation at a plurality of wavelengths;   a filter adapted for removing said Far UV C wavelengths harmful to humans;   a reflector;   a driver/power supply supported by said housing;   said driver/power supply adapted for providing electrical power to said excimer bulb;   said driver/power supply in electrical communication with said excimer bulb.   
     
     
         2 . The can type fixture of  claim 1  including a plurality of excimer bulbs supported in said housing. 
     
     
         3 . The can type fixture of  claim 2  including a filter associated with each of said plurality of excimer bulbs; each said filter adapted for removing said Far UV C wavelengths harmful to humans. 
     
     
         4 . The can type fixture of  claim 1  including multiple filters supported in said housing adapted for removing said Far UV C wavelengths harmful to humans. 
     
     
         5 . The can type fixture of  claim 1  including an illumination element supported in said housing. 
     
     
         6 . The can type fixture of  claim 5  wherein said illumination element includes an LED. 
     
     
         7 . The can type fixture of  claim 6  wherein said illumination element includes a plurality of LEDs in an array. 
     
     
         8 . The can type fixture of  claim 1  including a translucent optical element. 
     
     
         9 . The can type fixture of  claim 1  including a diffusion layer. 
     
     
         10 . The can type fixture of  claim 9  wherein said diffusion layer is positioned such that far UV C radiation emitted from said excimer bulb passes through said filter and then through said diffusion layer. 
     
     
         11 . The can type fixture of  claim 9  wherein said Far UV C radiation is emitted from said excimer bulb in a beam and said diffusion layer is adapted to widen said beam. 
     
     
         12 . The can type fixture of  claim 1  adapted for being in communication via IoT. 
     
     
         13 . The can type fixture of  claim 1  wherein said driver/power supply is adapted for dimming said excimer bulb. 
     
     
         14 . The can type fixture of  claim 5  wherein said driver/power supply is adapted for dimming said illumination element. 
     
     
         15 . The can type fixture of  claim 1  wherein said housing is mounted in an occupiable space and including a sensor adapted for detecting motion in said occupiable space. 
     
     
         16 . The can type fixture of  claim 1  including a processor in communication with said driver/power supply. 
     
     
         17 . The can type fixture of  claim 16  including a motion sensor in communication with said processor;
 said processor adapted for instructing said driver/power supply to provide power to said excimer bulb such that said excimer bulb emits Far UV C radiation when motion is detected by said motion sensor. 
 
     
     
         18 . The can type fixture of  claim 16  wherein said housing is mounted in said hole in said ceiling in an occupiable space;
 said driver/power supply adapted for varying the intensity level of said Far UV C radiation emitted by said bulb; 
 a crowd density sensor in communication with said processor; 
 said crowd density sensor adapted for detecting the number of people in said occupiable space; 
 said processor adapted for instructing said driver/power supply to provide power to said excimer bulb such that said excimer bulb emits Far UV C radiation at an intensity level based upon the number of people in said occupiable space sensed by said crowd density sensor. 
 
     
     
         19 . The can type fixture of  claim 16  further comprising:
 said driver/power supply adapted for varying the intensity of said Far UV C radiation emitted by said bulb; 
 a proximity sensor in communication with said processor; 
 said proximity sensor adapted for detecting an object in the proximity of the can type fixture; 
 said processor adapted for instructing said driver/power supply to provide power to said excimer bulb such that said excimer bulb emits Far UV C radiation at an intensity based upon the proximity of said object to the can type fixture. 
 
     
     
         20 . The can type fixture of  claim 16  wherein said housing is mounted in said hole in said ceiling above a surface in an occupiable space;
 said driver/power supply adapted for varying the intensity level of said Far UV C radiation emitted by said bulb; 
 a distance sensor in communication with said processor; 
 said distance sensor adapted for detecting the distance between the can type fixture and said surface; 
 said processor adapted for instructing said driver/power supply to provide power to said excimer bulb such that said excimer bulb emits Far UV C radiation at an intensity level based upon the distance between the can type fixture and said surface. 
 
     
     
         21 . A can type fixture, comprising:
 a housing adapted for mounting into a hole in a ceiling of an occupiable space;   a plurality of excimer bulbs supported in said housing;   said plurality of excimer bulbs each adapted for emitting Far UV C radiation at a plurality of wavelengths;   a filter associated with each of said plurality of excimer bulbs;   each said filter adapted for receiving said Far UV C radiation from its associated excimer bulb wherein said filter blocks substantial Far UV C radiation wavelengths longer than 234 nm;   a reflector;   a processor supported in said housing;   a driver/power supply supported by said housing;   said driver/power supply in communication with said processor;   said driver/power supply adapted for providing electrical power to said plurality of excimer bulbs;   said driver/power supply in electrical communication with said plurality of excimer bulbs;   an illumination element supported in said housing;   said illumination element in electrical communication with said driver/power supply.   
     
     
         22 . The can type fixture of  claim 21  wherein said illumination element includes an LED. 
     
     
         23 . The can type fixture of  claim 22  wherein said illumination element includes a plurality of LEDs in an array. 
     
     
         24 . The can type fixture of  claim 21  including a translucent optical element. 
     
     
         25 . The can type fixture of  claim 21  wherein said processor adapted for being in communication via IoT. 
     
     
         26 . The can type fixture of  claim 21  adapted including a diffusion layer. 
     
     
         27 . The can type fixture of  claim 21  including a motion sensor in communication with said processor;
 said processor adapted for instructing said driver/power supply to provide power to said plurality of excimer bulbs such that said plurality of excimer bulbs emit Far UV C radiation when motion is detected by said motion sensor. 
 
     
     
         28 . The can type fixture of  claim 21  further comprising:
 said driver/power supply adapted for varying the intensity level of said Far UV C radiation emitted by said plurality of excimer bulbs; 
 a crowd density sensor in communication with said processor; 
 said crowd density sensor adapted for detecting the number of people in said occupiable space; 
 said processor adapted for instructing said driver/power supply to provide power to said plurality of excimer bulbs such that said plurality of excimer bulbs emit Far UV C radiation at an intensity level based upon the number of people in said occupiable space sensed by said crowd density sensor. 
 
     
     
         29 . The can type fixture of  claim 21  further comprising:
 said driver/power supply adapted for varying the intensity of said Far UV C radiation emitted by said plurality of excimer bulbs; 
 a proximity sensor in communication with said processor; 
 said proximity sensor adapted for detecting an object in the proximity of the can type fixture; 
 said processor adapted for instructing said driver/power supply to provide power to said plurality of excimer bulbs such that said plurality of excimer bulbs emit Far UV C radiation at an intensity based upon the proximity of said object to the can type fixture. 
 
     
     
         30 . The can type fixture of  claim 21  wherein the can type fixture is mounted above a surface;
 said driver/power supply adapted for varying the intensity level of said Far UV C radiation emitted by said plurality of excimer bulbs; 
 a distance sensor in communication with said processor; 
 said distance sensor adapted for detecting the distance between the can type fixture and said surface; 
 said processor adapted for instructing said driver/power supply to provide power to said plurality of excimer bulbs such that said plurality of excimer bulbs emit Far UV C radiation at an intensity level based upon the distance between the can type fixture and said surface.