defective pixel
Technical term used in the context of LCD or other digital displays; refers to a pixel that does not function correctly, often appearing as a stuck or dead pixel.
This monitor has one defective pixel.
Please check the warranty conditions for defective pixels.
A more colloquial term for a defective pixel, literally 'missing dot', often used by consumers.
Refers specifically to a bright pixel that is stuck on, a subtype of defective pixel.
Compound of 不良 (defective) and 画素 (pixel). 画素 is a modern coinage from 画 (picture) and 素 (element), equivalent to 'pixel'.