noun
screen, monitor
B1
Bildschirm (der) means screen or monitor, the display of a device. Masculine noun with plural Bildschirme. Genitive singular adds -s (des Bildschirms). Common verbs: den Bildschirm einschalten/ausblenden, Bildschirm teilen. No irregular plural; regular declension as provided. Used in compounds like Bildschirmzeit and Bildschirmauflösung; typical in computing context.
Examples
Bitte reinigen Sie den Bildschirm vorsichtig, damit keine Kratzer entstehen.
Please clean the monitor carefully so no scratches appear.
Der Bildschirm meines Laptops ist sehr hell.
The screen of my laptop is very bright.
Der Techniker reparierte den Bildschirm, nachdem der Fehler identifiziert worden war.
The technician repaired the screen after the fault had been identified.
Details
Mnemonics
visualize a framed picture (Bild) behind a protective shield (Schirm) — the display screen
think 'bild' = picture + 'schirm' = shield — like a picture-shield (a screen)
der — many German compound nouns ending in -schirm are masculine (der Regenschirm is an exception in meaning but -schirm often masculine)
Notes
Bildschirm is used for computer, phone and TV displays. In some contexts 'Display' or 'Monitor' is used as a loanword.