IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.
About OLED screens
OLED (Organic EL Displays) has become a familiar feature of our recent phones, as there are several advantages of having an OLED screen. First of all, the screen doesn't require a backlight, which is more energy-efficient and therefore improves battery life. Secondly, OLED also provides crisper colours and offers better saturation. Unlike LCD screens (that do need a backlight), OLED screen pixels can independently emit light and shut off, resulting in a detailed colour palette and a deep black. In short, the OLED screen on your phone enables you to enjoy colours and images as never before, without compromising battery life.
Taking care of your OLED pixels
It's precisely because of these individual pixels and the materials used for generating these high-definition images that you should always be mindful of displaying a static, unchanging image for an extended period. If you would display the same picture on your phone for an extremely long time (e.g. a shop front phone), the pixels would somewhat get stuck and you would end up with a residual image on the screen. To avoid this, your phone has software that prevents and mitigates burn-in under normal usage conditions. Also, if you actively use your phone, your screen is constantly changing images (swiping, scrolling, using different apps), therefore you naturally avoid image retention.
Finally, if you really want to be careful, you can actively help to prevent residual images by
- adjusting the brightness level
Find and tap Settings → Display → Brightness level.
Drag the slider to set the brightness level as dark but readable as possible.
- turning on Adaptive brightness
Find and tap Settings → Display → Adaptive brightness.
Tap the slider beside Adaptive brightness to turn the feature on.
- reducing the time for the display to enter Sleep mode
Find and tap Settings → Display → Sleep.
Select a short time, such as 15 seconds.
Why do I sometimes see residual shadows?
Due to this technology's specifications and under certain conditions (e.g. grey background screen), you may experience faint, disappearing shadows of previous content when changing what's on display. It's normal OLED behaviour. The shadows disappear after a few seconds.