US2023044306A1PendingUtilityA1

Highly efficient far uv filtration system

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Assignee: LUMENLABS LLCPriority: Aug 24, 2020Filed: Oct 24, 2022Published: Feb 9, 2023
Est. expiryAug 24, 2040(~14.1 yrs left)· nominal 20-yr term from priority
Inventors:Kevin C. BaxterWei CaoMin Shi
A61L 2103/75H05B 47/175H05B 41/38H01J 61/52H01J 61/40H01J 61/12H01J 61/025A61L 2/26A61L 2/10A61L 2202/11H01J 65/00H01J 61/16G01C 3/00A61L 2/24G01J 1/42A61L 2202/14H05B 47/115H01J 61/94H01J 65/046A61L 2202/25
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Claims

Abstract

A Far UV radiation system including a Far UV radiation source and a high pass filter. The high pass filter having a cutoff wavelength of 234 nm-237 nm when measured at an incidence angle of zero degrees and adapted to substantially reduce UV C radiation emitted from the Far UV radiation source so that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm. The Far UV radiation system may be adapted to substantially reduce UV C, UV B, and UV A radiation from the Far UV radiation source.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 234 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV C radiation in wavelengths longer than 240 nm.   
     
     
         2 . The Far UV radiation system of  claim 1  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         3 . The Far UV radiation system of  claim 1  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         4 . The Far UV radiation system of  claim 1  wherein said Far UV radiation source is an excimer bulb. 
     
     
         5 . The Far UV radiation system of  claim 5  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         6 . The Far UV radiation system of  claim 1  wherein said Far UV radiation source is an LED. 
     
     
         7 . The Far UV radiation system of  claim 1  wherein said Far UV radiation source is an array of LEDs. 
     
     
         8 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 231 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm.   
     
     
         9 . The Far UV radiation system of  claim 8  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         10 . The Far UV radiation system of  claim 8  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         11 . The Far UV radiation system of  claim 8  wherein said Far UV radiation source is an excimer bulb. 
     
     
         12 . The Far UV radiation system of  claim 11  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         13 . The Far UV radiation system of  claim 8  wherein said Far UV radiation source is an LED. 
     
     
         14 . The Far UV radiation system of  claim 8  wherein said Far UV radiation source is an array of LEDs. 
     
     
         15 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 232 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm.   
     
     
         16 . The Far UV radiation system of  claim 15  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         17 . The Far UV radiation system of  claim 15  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         18 . The Far UV radiation system of  claim 15  wherein said Far UV radiation source is an excimer bulb. 
     
     
         19 . The Far UV radiation system of  claim 18  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         20 . The Far UV radiation system of  claim 15  wherein said Far UV radiation source is an LED. 
     
     
         21 . The Far UV radiation system of  claim 15  wherein said Far UV radiation source is an array of LEDs. 
     
     
         22 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 233 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm.   
     
     
         23 . The Far UV radiation system of  claim 22  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         24 . The Far UV radiation system of  claim 22  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         25 . The Far UV radiation system of  claim 22  wherein said Far UV radiation source is an excimer bulb. 
     
     
         26 . The Far UV radiation system of  claim 25  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         27 . The Far UV radiation system of  claim 22  wherein said Far UV radiation source is an LED. 
     
     
         28 . The Far UV radiation system of  claim 22  wherein said Far UV radiation source is an array of LEDs. 
     
     
         29 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 235 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm.   
     
     
         30 . The Far UV radiation system of  claim 29  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         31 . The Far UV radiation system of  claim 29  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         32 . The Far UV radiation system of  claim 29  wherein said Far UV radiation source is an excimer bulb. 
     
     
         33 . The Far UV radiation system of  claim 32  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         34 . The Far UV radiation system of  claim 29  wherein said Far UV radiation source is an LED. 
     
     
         35 . The Far UV radiation system of  claim 29  wherein said Far UV radiation source is an array of LEDs. 
     
     
         36 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 236 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm.   
     
     
         37 . The Far UV radiation system of  claim 36  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         38 . The Far UV radiation system of  claim 36  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         39 . The Far UV radiation system of  claim 36  wherein said Far UV radiation source is an excimer bulb. 
     
     
         40 . The Far UV radiation system of  claim 39  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         41 . The Far UV radiation system of  claim 36  wherein said Far UV radiation source is an LED. 
     
     
         42 . The Far UV radiation system of  claim 36  wherein said Far UV radiation source is an array of LEDs. 
     
     
         43 . A Far UV radiation system, comprising:
 a Far UV radiation source; and   a high pass filter, said high pass filter having a cutoff wavelength of 237 nm when measured at an incidence angle of zero degrees, and said high pass filter adapted to substantially reduce UV C radiation emitted from said Far UV radiation source,   wherein said Far UV radiation source and said high pass filter adapted such that the Far UV radiation system does not emit substantial UV radiation in wavelengths longer than 240 nm.   
     
     
         44 . The Far UV radiation system of  claim 43  wherein said high pass filter is adapted to substantially reduce UV C and UV B radiation from said Far UV radiation source. 
     
     
         45 . The Far UV radiation system of  claim 43  wherein said high pass filter is adapted to substantially reduce UV C, UV B, and UV A radiation from said Far UV radiation source. 
     
     
         46 . The Far UV radiation system of  claim 43  wherein said Far UV radiation source is an excimer bulb. 
     
     
         47 . The Far UV radiation system of  claim 46  wherein said excimer bulb is an krypton-chloride excimer bulb. 
     
     
         48 . The Far UV radiation system of  claim 43  wherein said Far UV radiation source is an LED. 
     
     
         49 . The Far UV radiation system of  claim 43  wherein said Far UV radiation source is an array of LEDs.

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