[Beowulf] cold cathode fluorescent backlighting

Robert G. Brown rgb at phy.duke.edu
Mon Jul 2 11:24:16 EDT 2007


On Thu, 28 Jun 2007, Joel Jaeggli wrote:

> Robert G. Brown wrote:
>
>> So yes, I think that LCDs are, on average, far better for the planet and
>> your pocketbook than CRTs (remember, an 80W power differential can add
>> up to $100's in power savings over the lifetime of a monitor), but not
>> perfect.  LEDs, if/when they ever appear (Cree, are you listening?)
>> would almost certainly be better than either in all ways.
>
> led backlit displays are already commercially available (for a year or
> more in some case like cellphone and high-end lcd tv), with the new mac
> be a notable but not first example in a laptop. As lumens/watt continues
> to increase their advantages over ccfl's will continue to grow... At the
> same time direct emissive displays (oled) will eventually challenge lcd
> in most areas where lcd currently challenges other technology.

Ah, I hadn't realized LEDs had made it to the street in real computer
displays (as I'm not a Mac person:-).  But I'm quite ready to lose the
tubes in LCDs...

     rgb

>
>>    rgb
>>
>>>
>>>  Wikipedia is a good source of keywords for use in further research. I
>>> would not consider Wikipedia an authoritative source of information on
>>> it's own.
>>
>
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-- 
Robert G. Brown	                       http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb at phy.duke.edu


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