a type of display (= a way of showing text and images) on a phone, computer screen, etc. that uses a black or dark background with lighter text

My phone's on night mode. 我的手机是夜间模式。

Night mode eliminates blue light, which can interfere with a healthy night's sleep. 夜间模式消除了蓝光，蓝光会干扰健康的夜间睡眠。