Type of Imperfection Imperfections Not Allowed Mechanical Imperfections: Spots (b) Lines (c) Polarizer scratches (d) Polarizer dents, bubbles (e) • 6 or more spots 0.2-0.5 mm avg. dia. • 4 or more lines 0.3-3 mm long and over 0.07 mm wide. • 5 or more scratches 5-20 mm long and over 0.02 mm wide. • 9 or more dents or bubbles 0-0.5 mm avg. dia. • Any spot over 0.5 mm avg. dia. • Any line over 3 mm long or 0.1 mm wide. • Any scratch over 20 mm long or 0.05 mm wide. • Any dent or bubble over 0.5 mm avg. dia. Definitions of imperfections: a Bright or dark dot: A subpixel (red, green, or blue dot) that is stuck on or off. b Spot:
A point on the display that appears dark or bright and does not change in size. Caused by foreign circular matter on the backlight. c Line: A line on the display that appears dark or light and does not change in size. Caused by contamination (lint, hair) behind the display. d Polarizer scratch: A light line that is visible on a darker background and does not change in size. e Polarizer dent or bubble: A light spot with a darker border that appears on a lighted display and does not change in size.