pixel defect; dead pixel
Technical term for a defective pixel on an LCD display; often used in the context of monitor or screen quality checks. Compare with ドット抜け, which can refer to a pixel that is stuck on or off.
See also: ドット抜け
This LCD monitor has one pixel defect.
When there is a dead pixel, part of the screen always appears black.
Compound of ドット (dot, pixel) and 欠け (lack, missing), from the verb 欠ける (to be missing).