The phrase "a screen over a" is correct and usable in written English.
It can be used when describing a physical or metaphorical barrier or filter that is placed over something else, often in contexts related to technology or design.
Example: "The design features a screen over a projector to enhance image clarity."
Alternatives: "a cover over a" or "a barrier over a".
In these straitened times, it's not surprising that venues will book a screening over a live performance if they know that one will make more money than the other.
In a short film, shown on a screen over the stage, a group of them yelled "welcome to our concert!".
In a church at Aldwych, the opening titles of a film were projected on a screen over the altar, scratched and defaced by artist Jennifer West.
Instead of merely showing video on a screen over the players, Hillel built a turreted structure behind and around them, on to which he projected images representing the seven locked rooms that Bluebeard's new wife Judith insists he opens to reveal his inner self.
On August 3, 2008 Stiller, Downey, and Black visited Camp Pendleton, a U.S. Marine Corps base in California, to present a screening to over a thousand military members and their families.
Hot on the heels of Peter Mandelson, Boris Johnson became the latest politician to be spied, by a Pandora mole, heading into a screening over the weekend accompanied by his wife Marina.
The $149 phone has a 2.6-inch color screen over a scroll wheel.
LG-KT610 The phone is stylish enough, but it is a flat candy bar of a cellphone, with the typical layout of a small screen over a numeric keypad.
The parlor was practically a salesroom for European decorative arts, walls of antique red velvet flanking a colossal fireplace assemblage: an Egyptian-style mantel, topped with an intricate gilt screen over a mirror, and flanked by bulbous twisted columns crowned with improbably small Corinthian capitals.
