What first appeared to be part of the LCD assembly is easily removed after the turn of a few screws.
This plate is likely used for shielding and heat dissipation. The spring contact near the screw suggests that the plate could also be used for grounding.
We've had some inquiries if this shield was made of Liquidmetal. Sorry to disappoint, folks, but it doesn't seem to be that alloy. The plate has the same resistance of stainless steel and is slightly magnetic, just like stainless steel.