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HP L1940
Dark Sub-Pixel (Electrical)
N £ 5
N>5
Bright and Dark Sub-Pixel
(Total)
N £ 5
N>5
Minimum Distance B etween Electrical Defects
Bright Dots
S ³ 15
S<15
Two Adjacent Dots
(Bright/Bright, Bright/Dark,
Dark/Dark, Any Plane)
N £ 1 pair
N > 1 pair
Bright and/or Dark Dots:
Three Adjacent (Any
Plane)
Not Allowed Not Allowed
Dark Dots
S ³ 15
S<15
Dim Lines Not Allowed
Cross Line(s) On/Off Not Allowed
Horizontal Line(s) On/Off Not Allowed
Vertical Lines(s) On/Off Not Allowed
Minimum Distance
Between ANY Allowable
Defects
S ³ 15
S<15
Maximum No. of Allowable
Defects
N £ 5 (all types)
N>5
Notes:
Any bright or dark dots visible using the evaluation method described in section 6.6.4 are to be
considered defects. Unless otherwise specified, optical defects whose length L is greater than four
times the width W, that is L > 4W, shall be considered as linear defects. Defects whose length is
less than four times the width (L < 4W) shall be considered as spot defects. All gray shade testing
will be based on Shades 1, 12, and 16 for Black/White/Red/Green
/Blue (from a base of 16 gray shades, where 16 is maximum bright and 1 is minimum bright). A high
level dot cannot be adjacent to any other dot.
10.5 Smudges, Streaks and Smears
When viewing the panel oriented so as to maximize reflected light, there shall be no visible
smudging, streaking, smearing or other non-uniformity from contaminants, fingerprints, or defects
in any of the visible surfaces. This is independent of whether the unit is operating or off.
10.6 Mura and Splotchiness
When viewed from directly in front of the monitor, the display shall not exhibit any non-uniformity’s in color or
luminance that are readily visible at 25% gray scale or brighter. Mura
GENERAL PRODUCT SPECIFICATION(Continued)
22
BRAND : HP L1940
19 inch LCD Monitor
TYPE : EJ6B50/02
8639 000 15804
2004-08-31
2004-08-31
590
28
Jacky Lee
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