Patent ID: 9623130
Date: 2017-04-18
CPC Classifications: A61L,G06F,H04M

Claim:
1. An apparatus to automatically disinfect a touch-based screen, the apparatus comprising: a transparent film material substantially covering a display surface of the touch-based screen; an ultra violet (UV) light source located on an edge of the transparent film material, wherein UV light from the UV light source is emitted through the transparent film material to disinfect the transparent film material such that when a user touches the transparent film material at a contact point, the UV light exits the transparent film material and disinfects fingertips of the user and immediate surrounding areas of the fingertips at the contact point; and an optical index matching gel applied between the UV light source and the edge of the transparent film material to allow additional UV light to enter the transparent film material at a low power to maximize safety.