This is the 18367th most frequent Russian word.
экраном
"Экраном" means "screen" in the instrumental case.
The word 'экраном' is used to denote the instrument or means (the screen) by which the action of covering is performed.
Он закрыл окно экраном.
He covered the window with a screen.
Here 'экраном' relates to the display medium, referring to the screen utilized for showing the movie.
Мы смотрели фильм на экране телевизора.
We watched the movie on the TV screen.
In this sentence, 'экраном' indicates the spatial relationship, here describing the position in front of the screen.