Lenovo 0A61769 display privacy filter 35.6 cm (14") Laptop Frameless display privacy filter3M 14. 0W Privacy Filter from Lenovo The 3M 14. 0W Privacy Filter from Lenovo utilize the patented 3M microlouver privacy technology so only persons directly in front of the display can clearly see the image on screen. Passersby, or those viewing from an angle see only a blank, dark screen. With identity theft concerns growing and information disclosure laws becoming increasingly more restrictive, the requirement to protect sensitive data is critical.