Transparent, flexible, thin sensor surfaces for passive light-point localization based on two functional polymers

•We describe the design, fabrication and characterization of large-area sensors for light-point localization.•The sensor surfaces are transparent, thin (<30μm), flexible and matrix free.•The sensor surfaces are based on only two functional polymers.•The design allows for simple fabrication technologies such as roll-to-roll-processing, spin-coating and screen printing.•Applications arise as human machine interfaces mounted on automotive windshields, windows and flexible displays.