ドット抜ぬけ

noun

pixel defect; dead pixel; stuck pixel

Technical term for a defective pixel on an LCD or similar display; includes both permanently dark (dead) and permanently lit (stuck) pixels.

• 新あたらしいモニターにドット抜ぬけがあったので交こう換かんしてもらった。

  There was a pixel defect on the new monitor, so I had it replaced.