01/09 A glass substrate envelope
This noise can sound rather like the humming of an old neon sign. So, at high altitudes , an air-pressure differential emerges, which causes plasma displays to emit a buzzing sound due to the lower air pressure. The display element in plasma TVs is actually a glass substrate envelope with rare natural gases compressed therein. Their performance is lcd tv 32 consistent regardless of the altitude at which they’re utilized. There is a reason LCD panels are the preferred visual display units for use on airplanes: LCDs aren’t affected by increases or decreases in air pressure. During fast moving sports scenes, the most discerning eyes can detect this slight motion response lag. The high refrash rate LCD televisions can also have some undesireable effects on the picture.