Posted by Rita � Berkowitz on 11/07/07 02:34

Bob Myers wrote:

>> And you're not going to get the full spectrum of light at a linear
>> level with fluorescent backlights.
>
> OF COURSE NOT. But since we're not talking about
> illumination applications here, that little fact remains utterly
> irrrelevant. The ONLY thing that matters, in either CRT
> or LCD color displays, is what you get in terms of the primary
> chromaticities and the white point. NONE of these displays
> produces a "full spectrum of light at a linear level" when they
> produce white. You are aware of the fact that the color CRT
> is still an RGB device, right?

Of course I'm aware of a CRT being an RGB device. That's the point; it
generates and projects light in the primary colors. On the other hand an
LCD can be viewed as a filter that passes or attenuates certain portion of
the light spectrum at any given instance to produce colors and images. Even
if your claimed white light source, fluorescent in this case, doesn't have a
small portion of the needed color spectrum you will not be able to
accurately produce the desired color. All "white" light isn't created
equally, hence the crappy and unsatisfactory results one gets from an LCD.



Rita

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