DIY Privacy Display - Recycle your monitors in a badass way

This video demonstrates a hands-on DIY project to create a privacy display by removing the polarizing filter from an old LCD monitor and mounting a polarizing filter into a pair of sunglasses or glasses. The host walks through two methods for extracting the polarizing layer, comparing techniques and discussing the practical challenges of bezel removal, glue residue, and clean perforation of the screen. The approach emphasizes both hardware modification and user experience, showing how wearing polarized glasses can make the monitor appear as a white, opaque surface to bystanders while the user can still see what’s on the screen. Along the way, the video covers tool choices, safety considerations, and troubleshooting steps when the monitor’s electronics or inverter fail. The presenter also experiments with off-the-shelf polarizing filters versus repurposed screen filters and gives tips on cleaning glue and reassembling the unit, ending with reflections on feasibility, risks, and optional paths for reuse or improvement. The overall message leans toward a creative but imperfect DIY solution, encouraging viewers to share their own builds and discuss best practices for privacy while using recycled monitors.

Topics · science & technology · diy electronics · maker culture · privacy hardware