The screen never darkens; the images fade into one another.

The screen flickered and darkened, then went black all over.

As the screen darkened he had already forgotten all the reports.

The screen darkened, leaving Rick clutching forms, check, and ticket.

He blew her a kiss, and the screen darkened.

But when the screen darkened and he rose to leave, she saw that he moved more slowly than before.

In place of curtains, a polarizing screen darkened the window.

The screen darkened; its light went out and he found himself facing nothing, confronted by nothingness.

The screen darkened for a few seconds, then the aide reappeared.

I watched in perplexed amazement as the small screen darkened again.