Table 5-1. OmniBook 2100/3000/3100 LCD Guidelines (TFT) HP OmniBook 2100/3000/3100 Reference Information 5-3 Type of Imperfection Imperfections Not Allowed NEC 13" TFT, XGA Electrical Imperfections: Bright dots (a) Dark dots (a) • 13 or more single bright dots. • 3 or more double bright dots. • 8 or more single or double dark dots. • 3 or more single/double bright dots within 7 mm. • Any occurrence of triple bright dots (or triple dark dots). Mechanical Imperfections: Spots (b) Lines (c) Polarizer scratches (d) Polarizer dents, bubbles (e) • 4 or more spots 0.3-0.5 mm avg. dia. • 5 or more lines 0.7-1 mm long and over 0.05 mm wide. • 3 or more dents or bubbles 0-0.5 mm avg. dia.
• Any spot over 0.5 mm avg. dia. • Any line over 1 mm long or 0.1 mm wide. • Any scratch noticeable from 30 cm (12 in) under normal office lighting. • Any dent or bubble over 0.5 mm avg. dia. Samsung 12" TFT, SVGA Electrical Imperfections: Bright dots (a) Dark dots (a) • 5 or more single bright dots. • 11 or more single dark dots. • 5 or more double or triple dark dots. • 15 or more total bright or dark dot imperfections. • Any occurrence of 2 bright dots within 15 mm. • Any occurrence of 2 single/double/triple dark dots within 5 mm. Mechanical Imperfections: Spots (b) Lines (c) Polarizer scratches (d) Polarizer dents, bubbles (e) • 5 or more spots 0.1-0.8 mm avg. dia.
• 5 or more lines 0.3-1 mm long and over 0.01 mm wide. • 4 or more scratches 0.3-10 mm long and over 0.01 mm wide. • 7 or more dents or bubbles 0-0.5 mm avg. dia. • Any spot over 0.8 mm avg. dia. • Any line over 1 mm long or 0.8 mm wide. • Any scratch over 10 mm long or 0.1 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.