HP ProBook 4540s HP ProBook 4540s Notebook PC HP ProBook 4440s Notebook PC HP - Page 122
-cm (14.0-in), HD display specifications, Specifications
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35.6-cm (14.0-in), HD display specifications Active diagonal size Resolution Active area PPI Surface treatment Contrast ratio Response time Brightness Viewing angle Backlight Luminance uniformity @ 13 points Lifetime (1/2 luminance) Color coordinate (white) Color tolerance (W, R, G, B) Color gamut Metric 35.6-cm 1366x768 (HD) 309.399x173.952 112 Anti-glare or BrightView 300:1 (typical) - Anti-glare 500:1 - BrightView 8 ms 200 nits (typical) SVA LED 1.4 (typ), 1.6 (max) 12,000 hours (0.313, 0.329) +/- 0.03 45% typ U.S. 14.0-in 114 Chapter 6 Specifications
35.6-cm (14.0-in), HD display specifications
Metric
U.S.
Active diagonal size
35.6-cm
14.0-in
Resolution
1366x768 (HD)
Active area
309.399x173.952
PPI
112
Surface treatment
Anti-glare or BrightView
Contrast ratio
300:1 (typical) – Anti-glare
500:1 – BrightView
Response time
8 ms
Brightness
200 nits (typical)
Viewing angle
SVA
Backlight
LED
Luminance uniformity @ 13 points
1.4 (typ), 1.6 (max)
Lifetime (1/2 luminance)
12,000 hours
Color coordinate (white)
(0.313, 0.329)
Color tolerance (W, R, G, B)
+/- 0.03
Color gamut
45% typ
114
Chapter 6
Specifications