LG's OLED W7 is the company's top-of-the-line OLED TV for 2017. The TV (which comes in either 65" or 77") is extremely thin (2.57 mm all the way) and attaches to the wall using magnets. A thin cable on the bottom connects to the sound bar. Other features include a 4K resolution, HDR support (to four different standards), WebOS 3.5 and Dolby Atmos sound.
The OLEDW7 TVs cost the $7,999 for the 65" model and around $30,000 for the 77" model (it is now shipping in Korea only).
65"/77" 4K OLED panels