Best to just temporarily remove the small brown fabric tape on side of the LCD (They always in the way and get caught in the wrong place during reassembly) and the LCD the completely freed for removal

Prepare clean plastic liner on a flat surface. Suction cup lift LCD off (2 corners away from buffer boards first) and place LCD with its diffuser facing side onto the liner with buffer boards dangling over the edge. Avoid using anything with lint as a liner. The underside of the LCD facing diffusers require full disassembly to clean out any lint.

Remove the suction cups. Leaving suction cups on for long periods can leave a visible mark on the LCD when powered on (eventually heals but don't take a chance)

Always keep the LCD surface facing the diffusers downwards to avoid collecting any airborne dust.