# LTPO
> LTPO is display tech that helps phones change refresh rate efficiently to save battery.
Topics: Smartphones, Power & batteries
Difficulty: Getting technical
Aliases: low temperature polycrystalline oxide
Updated: 2026-06-26T08:00:00.000Z
## Go deeper
LTPO is display tech that helps phones change refresh rate efficiently to save battery. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.