Table 5-1. Omnibook 3000 Tft Xga Display Quality Guidelines - HP OmniBook 3000 Service Manual

Table 5-1. OmniBook 3000 TFT XGA Display Quality Guidelines

Type of Imperfection
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, is at least 0.05 mm wide, 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 3000
Imperfections Not Allowed
•
13 or more single bright dots.
•
3 or more occurrences of double (two vertically adjacent) bright dots.
•
3 or more occurrences of two single or double bright dots within 7 mm.
•
8 or more single or double dark dots.
•
Any occurrence of 3 or more vertically adjacent bright dots.
•
Any occurrence of 3 or more vertically adjacent dark dots.
•
4 or more spots 0.3-0.5 mm avg. dia.
•
5 or more lines 0.7-1 mm long.
•
3 or more dents or bubbles 0-0.5 mm avg. dia.
•
Any spot over 0.5 mm dia.
•
Any line over 1 mm long or 0.1 mm wide.
(e)
•
Any scratch noticeable from 30 cm (12 in) under normal office lighting.
•
Any dent or bubble over 0.5 mm avg. dia.
Reference Information 5-3