Which is better for your eyes, LCD or OLED?

There isn't really a clear answer as to whether LCD or OLED is better for the eyes, as they can both cause similar effects on the eyes, especially when used for extended periods of time. However, some analysis can be made from their display principles and characteristics.

The LCD screen (liquid crystal display) is illuminated by a backlight, and the light of the backlight is modulated through the liquid crystal layer for display. Since the liquid crystal layer cannot be completely closed, when the LCD displays black, some light will pass through the color layer, which may cause the screen to appear not deep enough in some cases. LCD screens have relatively even light and low flicker, so they may be considered a more comfortable display method in some situations. However, if the brightness is too high or too low, prolonged use may still cause eye fatigue.

OLED screens (organic light-emitting diode displays) are self-illuminating for each pixel and do not require a backlight. OLED screens have higher contrast, wider viewing angles, and more vivid color performance. However, OLED screens may experience uneven brightness or "screen burn" when displaying certain content. Additionally, OLED screens may have higher flicker than LCD screens, which may cause discomfort to some people's eyes.

From an eye protection perspective, both screens have their pros and cons. It's important to practice eye hygiene, avoid staring at screens for long periods of time, maintain an appropriate distance and angle, and rest your eyes regularly. Additionally, it’s important to adjust screen brightness and contrast to suit ambient lighting and personal needs.

In general, the impact of LCD and OLED screens on the eyes varies depending on individual differences. Which screen is better depends mainly on personal usage habits and needs.

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