20240050608. A DISINFECTION SYSTEM COMPRISING AN OPTICAL ARRANGEMENT FOR A FAR UV LIGHT SOURCE TO FILTER OUT UNDESIRED WAVELENGTHS simplified abstract (SIGNIFY HOLDING B.V.)

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A DISINFECTION SYSTEM COMPRISING AN OPTICAL ARRANGEMENT FOR A FAR UV LIGHT SOURCE TO FILTER OUT UNDESIRED WAVELENGTHS

Organization Name

SIGNIFY HOLDING B.V.

Inventor(s)

TIES Van Bommel of HORST (NL)

JORIS JAN Vrehen of WAALRE (NL)

ANNA WILHELMINA MARIA De Best of VELDHOVEN (NL)

A DISINFECTION SYSTEM COMPRISING AN OPTICAL ARRANGEMENT FOR A FAR UV LIGHT SOURCE TO FILTER OUT UNDESIRED WAVELENGTHS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240050608 titled 'A DISINFECTION SYSTEM COMPRISING AN OPTICAL ARRANGEMENT FOR A FAR UV LIGHT SOURCE TO FILTER OUT UNDESIRED WAVELENGTHS

Simplified Explanation

The invention is a radiation generating system that includes a radiation unit consisting of a light source, a first collimator, and an optical arrangement. The light source generates radiation with a specific spectral power distribution at two different wavelengths. The first collimator collimates the light source radiation, and the optical arrangement converts the collimated radiation into arrangement radiation, which is also collimated. The optical arrangement includes a second collimator and an optical filter. The second collimator and the optical filter are positioned in relation to each other, and the optical filter has a higher transmission for one wavelength compared to the other when irradiated at a specific angle. The first wavelength is selected from the range of 190-230 nm, and the second wavelength is selected from the range of 100-190 nm or 230-280 nm. The second collimator is defined by light radiation transmissive channels, which are made of a light-absorbing material that absorbs part of the collimated light source radiation.

  • The invention is a radiation generating system with a light source, collimators, and an optical arrangement.
  • The light source produces radiation with specific spectral power distribution at two different wavelengths.
  • The first collimator collimates the light source radiation.
  • The optical arrangement converts the collimated radiation into arrangement radiation, which is also collimated.
  • The optical arrangement includes a second collimator and an optical filter.
  • The optical filter has different transmission properties for the two wavelengths when irradiated at a specific angle.
  • The first wavelength is in the range of 190-230 nm, and the second wavelength is in the range of 100-190 nm or 230-280 nm.
  • The second collimator is defined by light radiation transmissive channels made of a light-absorbing material.

Potential Applications

  • Medical imaging and diagnostics
  • UV sterilization and disinfection
  • Semiconductor manufacturing
  • Scientific research and experimentation

Problems Solved

  • Efficient collimation and conversion of light source radiation
  • Selective filtering of specific wavelengths
  • Control of radiation intensity and distribution

Benefits

  • Improved accuracy and precision in medical imaging and diagnostics
  • Enhanced sterilization and disinfection capabilities
  • Higher efficiency in semiconductor manufacturing processes
  • Expanded possibilities for scientific research and experimentation


Original Abstract Submitted

the invention provides a radiation generating system comprising a radiation unit, wherein the radiation unit comprises a light source, a first collimator, and an optical arrangement, wherein: (a) the light source is configured to generate light source radiation having a first spectral power distribution having an intensity i at a first wavelength � and an intensity i at a second wavelength �; (b) the first collimator is configured in a light receiving relationship with the light source, wherein the first collimator is configured to collimate the light source radiation into collimated light source radiation; (c) the optical arrangement is configured downstream of the first collimator and is configured to convert the collimated light source radiation into arrangement radiation; wherein the arrangement radiation is collimated relative to the collimated light source radiation; wherein the optical arrangement comprises a second collimator and an optical filter, wherein: (i) the second collimator is configured downstream or upstream of the optical filter; (ii) the optical filter has a higher transmission for the first wavelength � than for the second wavelength � when irradiated under a predefined angle; (iii) the first wavelength � is selected from the range of 190-230 nm and the second wavelength � is selected from the range of 100-190 nm or 230-280 nm; and (iv) the second collimator is at least partly defined by a plurality of light radiation transmissive channels, wherein the radiation transmissive channels are defined by channel walls which comprise a light absorbing material, wherein the light absorbing material is configured to absorb at least part of the collimated light source radiation received by the light absorbing material.

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