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Electricity cost (5 years, RMB)
Annual electricity consumption (kWh)
Screen Size (Inch)
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Brightness (cd/m2)
Energy efficiency of the computer monitors (lm/W)
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2011/11/10
Sanc Philips Acer HP Samsung Haier Samsung Lenovo Samsung Samsung  
M789A 191EL2 V193WL LE1901w EX1920 HD905L BX1931N L197wD EX1920W E1920NR 低效产品
M787A                    
250 165 315 290 225 250 250 290 275 275 450
50 33 63 58 45 50 50 58 55 55 90
17 19 19 19 19 19 19 19 19 19 19
1600*900 1920*1080 1440*900 1440*900 1920*1080 1366*768 1366*768 1440*900 1366*768 1680*1050 1366*768
2'000'000:1 20'000'000:1 8'000'000:1 1'000:1 1'000'000:1 100'000:1 70'000:1 18'000:1 / 1'000:1 10'000:1
16:9 16:9 16:10 16:10 16:10 16:9 16:9 16:10 16:9 16:10 16:9
LED LED LED CCFL LED LED LED LED LED LED CCFL
300 250 250 250 300 250 250 250 300 300 300
2.00 1.82 1.73 1.70 1.69 1.61 1.58 1.57 1.53 1.51 0.6
20 13 25 23 18 20 20 23 22 22 36
0.42 0.34 0.42 0.48 0.16 0.35 0.26 0.41 0.28 0.18 0.90
1 1 1 1 1 1 1 1 1 1 3