Screen brightness degradation is a common issue affecting both OLED and LCD displays over time. For OLED screens, the most effective prevention methods include using auto-brightness features to avoid constant maximum brightness, reducing screen-on time through shorter timeout settings, and enabling dark mode whenever possible. These measures help prevent permanent burn-in and pixel degradation that causes uneven brightness.

LCD displays primarily suffer from backlight system degradation. To maintain consistent brightness, avoid keeping brightness at maximum levels for extended periods and use the adaptive brightness feature. Regularly updating your device's software ensures optimal brightness management algorithms are in place.

Additional universal methods include turning off screens when not in use, using screensavers on computers, and avoiding extreme temperature exposure which accelerates component aging. For devices with OLED screens, periodically shifting static content and using pixel refresh tools can redistribute pixel wear evenly. Most modern devices incorporate built-in protection features like pixel shifting and automatic brightness limiters that activate when signs of degradation are detected.

Implementing these practices from the beginning of your device's lifespan will significantly slow brightness degradation, maintaining optimal display performance for years. Remember that some gradual brightness reduction is normal, but proper care can minimize its impact on your viewing experience.