LCD Panel contains millions of sub-pixels in order to display full color images - See Picture1 below.
2. LG Specification for bright and dark sub-pixel
LG Monitor LCD screen warranty is compliant to ISO 1306-2 - International Standard for LCD screen pixel quality.
Bright or dark sub-pixels can occur during the production stage of the LCD panel.
These anomlies do not affect the functionality of the screen with bright sub-pixels and dark sub-pixels not considered as a defect
up to one per 1 million sub-pixels respectively. Please see “Table 1” below for more details on this specification