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Images, Screens & GamesDisplay Technology

Dark Mode Saves Battery, Sometimes

On OLED screens black pixels are switched off

You turned on dark mode to save battery. On some phones it really helps; on others it does almost nothing. What decides?

You'll find out

  • What a black pixel really does
  • Why some screens ignore dark mode
  • When dark mode barely helps

Why it matters

Knowing your screen tells you when dark mode is worth it, and why some blacks look so deep.

About 3 min6 interactive slides · 5 questionsLesson 261 · Zone 29

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