Table 5-1. Omnibook 7100 Lcd Guidelines (Tft) - HP OmniBook 7100 Service Manual

Type of Imperfection
LG 14" TFT, XGA
Electrical Imperfections:
(a)
Bright dots
(a)
Dark dots
Mechanical Imperfections:
(b)
Spots
(c)
Lines
(d)
Polarizer scratches
Polarizer dents, bubbles
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.
HP OmniBook 7100

Table 5-1. OmniBook 7100 LCD Guidelines (TFT)

Imperfections Not Allowed
•
7 or more single bright dots.
•
7 or more single dark dots.
•
3 or more double bright dots.
•
3 or more double dark dots.
•
11 or more total bright and dark dot imperfections.
•
Any occurrence of triple bright dots (or triple dark dots).
•
Any occurrence of 3 bright dots within 20 mm (or 3 dark dots).
•
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.
(e)
•
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.
Reference Information 5-3