Black Screen
Display a full-screen black color. Useful for checking screen uniformity, dead pixels, backlight bleed, and color accuracy on black backgrounds.
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Uses for black screen
Dead pixel detection: look for pixels that do not display black correctly.
Screen uniformity: check for uneven brightness or color patches.
Backlight bleed: especially visible on dark and solid color screens (LCD).
Color accuracy: compare how black looks versus reference images.