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nairaland.net • View topic - Flat Screen LCD vs traditional CRT Computer Monitor

Flat Screen LCD vs traditional CRT Computer Monitor

Flat Screen LCD vs traditional CRT Computer Monitor

Postby Richard Akindele » Thu Aug 03, 2006 5:18 pm

[img]http://www.nairaland.net/forum/images/monitor.jpg[/img]

Below is a summary of the benefits from LCD monitors.

Summary of A Market Study for LCD vs. CRT Energy Consumption:

LCDs typically use approximately 30% of the power of similar CRTs.

Research shows that LCDs use about 74% less electricity and space than their CRT predecessors, while reducing eye-strain and heat load.

Reduce the kilowatts-hours/year from 273.6 to 64.1 per computer.

Replacing approximately 250 CRT monitors with LCD will save $5,240 to $15,720 per year in electricity for just powering the monitor depending on hours usage per day.

In California, CRTs consume 12.6% of the power produced in the entire state.

The more energy required for a computer system, the more heat that is generated, which increases air conditioning loads. An additional side effect of higher temperatures is a more rapid degradation of computing devices, resulting in shorter lifetimes and more failures.

Every watt of power you save in computer energy, you save again several times over in air conditioning cost… you have to pay for the power you use in computers twice; once for their use and once for the removal of their resultant heat.

The power consumption for a flat panel monitor is about one-fifth the power consumption of a typical CRT monitor.

In Japan, studies have shown that if just 50% of Japan’s CRT monitors were converted to LCD, four power plants and 181,000 tons of CO2 emissions could be eliminated.

LCD’s have longer life spans of an extra 50-75% longer.

Advantages include worker performance and ergonomics:

Faster & better word recognition (nearly double)
Faster word comprehension
Fewer head turns (25% reduction)
Reduced scrolling
Reduced eyestrain
Improves worker productivity
Enhanced readability
Reduced on-line wait times
Higher resolution graphics

Conclusions:

Definite substantial energy savings
Lower life cost
Better environmentally
Better worker productivity
Better ergonomically
Definite savings
Richard Akindele
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Postby Richard Akindele » Thu Aug 03, 2006 5:40 pm

CRT
Power consumption rating: 100 Watts
Weight: 50 Lbs.

LCD
Power consumption rating: 35 Watts
Weight: 14 Lbs.

The above values for a 19" monitor in each category, manufactured by the same company, Viewsonic.
Richard Akindele
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Posts: 1120
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Location: USA

Postby mandax » Wed May 27, 2009 9:59 am

I am totally agreed with you.
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