noun
large screen
Refers to a physically large display, typically for televisions, monitors, or movie screens. Often used in contexts emphasizing immersive viewing.
新しいテレビは大画面で映画が迫力満点だ。
The new TV has a large screen, making movies really powerful.
大画面のスマートフォンが人気を集めている。
Large-screen smartphones are gaining popularity.
大型 means 'large-sized' and can modify many nouns, whereas 大画面 is specifically about screen size.
Compound of 大 (だい, 'large') and 画面 (がめん, 'screen'). A straightforward modern term.