Just about every fixed pixel technology, including LCD, is 'p'; the exception being the "wobbler" DLPs ( but are not 'i' either ).
The 'i' stand for interlaced which is basically how old analog
( and still many digital ) CRTs "paint" a picture on a screen.
The old analog TV's would "paint" every odd line and then
come back and "paint" every even line, hence the term
"interlaced."
Since all LCD, PLASMA, LCOS, and LCD Projection are fixed pixel and are updated at same time, all such displays display their resolution
progressively, i.e. 480p, 720p, 1080p, etc.
Many HD stations are broadcast in 1080i but the 1080p
LCDs will convert this to 1080p in the process of updating
the pixes simulataneously.
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