A customer brings in a high-end smartphone complaining that the screen displays true blacks very well but mentions that the screen seems to be deteriorating; parts of the display have a noticeable color shift, especially where static images are common. Considering the symptoms, what is the most likely cause of this issue?
Image persistence is causing temporary ghosting of images.
The device is suffering from backlight bleed due to improper shielding of the light source.
The display is experiencing burn-in due to static images.
The screen has dead pixels that need to be replaced.
This issue is characteristic of burn-in, which is a common problem with OLED displays. It occurs when there is prolonged exposure to static images, causing some pixels to degrade more quickly than others, leading to uneven wear and a noticeable persistence of images or discoloration on the screen. Backlight bleed is associated with LCD panels, not OLED. Dead pixels would display as black spots on the display and wouldn't be affected by static images. Image persistence is a temporary issue often seen in LCD displays and differs from burn-in as it can usually be resolved by allowing the screen to display a moving image for some time.
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