HP ProBook 4540s HP ProBook 4540s Notebook PC HP ProBook 4440s Notebook PC HP - Page 121

-cm (15.6-in), HD display specifications, Metric, Random vibration

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Metric U.S. Operating 125 g, 2 ms, half-sine Nonoperating 200 g, 2 ms, half-sine Random vibration Operating 0.75 g zero-to-peak, 10 Hz to 500 Hz, 0.25 oct/min sweep rate Nonoperating 1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 39.6-cm (15.6-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 (White) Color tolerance (R, G, B) Color gamut Metric 39.6-cm 1366x768 (HD) 344.232x193.536 100 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) +/- 0.02 +/- 0.03 60% (typical) U.S. 15.6-in 39.6-cm (15.6-in), HD display specifications 113

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Metric
U.S.
Operating
125 g, 2 ms, half-sine
Nonoperating
200 g, 2 ms, half-sine
Random vibration
Operating
0.75 g zero-to-peak, 10 Hz to 500 Hz, 0.25 oct/min sweep
rate
Nonoperating
1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate
NOTE:
Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within
this range of temperatures.
39.6-cm (15.6-in), HD display specifications
Metric
U.S.
Active diagonal size
39.6-cm
15.6-in
Resolution
1366x768 (HD)
Active area
344.232x193.536
PPI
100
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 (White)
+/- 0.02
Color tolerance (R, G, B)
+/- 0.03
Color gamut
60% (typical)
39.6-cm (15.6-in), HD display specifications
113