Today, we got a pretty good look at what the LG G6 should look like in the form of leaked case maker renders. Even so, the smartphone has still not been announced nor is it official. LG's MWV invitation is a reminder of that. LG had already sent out save-the-dates, but the actual event invitation (officially) shows us a little more about the device than we (officially) already knew. The invitation shows the same home screen that we saw in the save-the-date. Though this time, LG calls it the "Big Screen" while a sketch to the right of the screen shows where the LG G6's screen is...
Source: http://www.gsmarena.com/lgs_mwc_event_invitation_teases_the_g6_some_more-news-23231.php