Why Do Phones Automatically Brighten in Sunlight?

Examples

1. Your phone’s screen gets brighter when you walk from a dark room to the sunlit sidewalk.
2. You’re outside, and your phone’s screen suddenly gets brighter so you can read it easily.
3. Your phone’s brightness changes depending on whether you're in the shade or in direct sunlight.

More examples

See also

• How Do Smartphones Know You're Looking at the Screen?
• How Do Smartphones Know When You're Walking?
• How Do Touchscreens Know Where You Tap?
• Why Do Phones Automatically Brighten at Night?
• Why Do Phones Automatically Adjust Their Brightness?

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