• University of Twente
  • 2009
  • Team of two

Night vision glasses

LEDs/light are used to light an object or to enable sight. This is done mainly with visible light, but is it also possible with invisible light? Yes: with InfraRed (IR) or UltraViolet (UV) light.

In this project a specific type of glasses is developed to increase the sight at night by means of these glasses sending out UV light into the environment. By means of the special layers in the lenses and the emitted UV light the sight is increased.

  • A product to enhance the sight at night
  • The glasses are not a device but a durable product
  • UV light because of high intensity/invisibility
  • Phosphorescent layer to convert UV to visible light
  • Micro Lens Arrays concentrate the light to the eye

A prototype was made to test the efficiency of emitted light coming back to the lenses.

The frame is printed in ABS. The lenses are made from PMMA and vacuum formed by means of a mould. The frame holds place for two batteries, one on each side. The batteries provide power for the LEDs which are just beside the lenses and at both sides of the glasses.

  • 4x3 UV LED 3.3 V, 20mA
  • 4x3 mm white LEDs 2.6 V, 20 mA
  • 2x lithium polymer batteries 300mAh, 3.7 V