Table 5-1. OmniBook 2100/3000/3100 LCD Guidelines (TFT)

Type of Imperfection

NEC 13" TFT, XGA

Electrical Imperfections:

Bright dots (a)

Dark dots (a)

Imperfections Not Allowed

∙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)

Samsung 12" TFT, SVGA

∙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.

Electrical Imperfections:

Bright dots (a)

Dark dots (a)

Mechanical Imperfections:

Spots (b)

Lines (c)

Polarizer scratches (d) Polarizer dents, bubbles (e)

∙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.

∙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:

aBright or dark dot: A subpixel (red, green, or blue dot) that is stuck on or off.

bSpot: A point on the display that appears dark or bright and does not change in size. Caused by foreign circular matter on the backlight.

cLine: A line on the display that appears dark or light and does not change in size. Caused by contamination (lint, hair) behind the display.

dPolarizer scratch: A light line that is visible on a darker background and does not change in size.

ePolarizer dent or bubble: A light spot with a darker border that appears on a lighted display and does not change in size.

HP OmniBook 2100/3000/3100

Reference Information

5-3