For sure we are waiting for Samsung's bounce back in the flagship smartphone space this year with the upcoming Samsung Galaxy S8 but they might have showed it in advance.
Credits to global tech site CNET, they spotted one of Samsung's Youtube channels that concentrates on display. As the audio was in Korean, I have to rely on the English letterings which they discussed about AMOLED
From various possible renders that spread around the web, it might be the Galaxy S8 coz of the small bezels and the signature Samsung home button is gone and the rumors that the fingerprint reader will be there dirct on the screen