LG may be sending out invitations for an event scheduled for next month, but Sprint isn’t wasting any time getting the word out about its plans for some announcements of its own, further down the line. We’re still a month-and-a-half away from CES 2012, but that’s not stopping Sprint from sending out some save-the-dates.

What might Sprint have to show-off at the CES? If we were guessing earlier this year, there could have been a chance that we might learn of plans for the first LTE-compatible smartphone to arrive on the network, but the most recent update we’ve heard to Sprint’s network strategy has LTE deployment taking a little longer to get off the ground; maybe we’ll see such models at next year’s CES.

Can we get any hints from the invitation itself? Beyond the prominence of triangles, there’s a lot of paper-folding going on here; even the numbers in the 1.10.12 date appear to be constructed out of folded strips. Paper makes us think thin; maybe Sprint will announce plans to carry a handset along the lines of the super-thin Fujitsu model we just heard about? Whatever Sprint has planned, we just hope it doesn’t run wild with the triangle idea like this: