Names are supposedly B7, C7, E7, G7 and W7 and will be available in 55 to 77 inches. The W is speculated to bei either a widescreen tv or a wallpaper tv as seen here
https://www.youtube.com/watch?v=fE4lmXzKbHQ
In an interview with BusinessKorea LG seems to have said that their new OLED tvs are built on a new hardware platform only LG is able to produce.
LGs 4K OLED Fernseher für 2017:
Einsteiger-Serie B7 (no 3D, Single Tuner)
OLED55B7D
OLED65B7D
Curved Models (3D, Twin Tuner)
OLED55C7D
OLED65C7D
Premium Models (3D, Twin Tuner, improved sound harman/kardon?)
OLED55E7V
OLED65E7V
Premium Segment (3D, Twin Tuner, improved harman/kardon?)
OLED65G7V
OLED77G7V
Unknown Series (Wallpaper TV or Widescreen OLED)
OLED65W7V
OLED77W7V
Sauce