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.
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