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10 votes
3 answers
17k views

LCD/LED screens; how color affects the power consumption?

I have read on web, for CRTs black color would reduce the power consumption of the monitor but for LCDs it's the white color that reduce the power consumption. It says "The way LCD's produce black is ...
samsamara's user avatar
  • 405
0 votes
3 answers
3k views

Given power info on a CRT monitor, how can I calculate power consumption (kWh)?

I have a Dell CRT Screen and the only info I have is this: AC input voltage: 90 to 264 VAC frequency: 50 or 60 Hz + 3Hz current: 1.5A max. (RMS) at 120 VAC; or 0.8A max. (RMS) at 220 VAC How can ...
r0ca's user avatar
  • 5,765