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Posted by Bob Myers on 11/07/07 21:31
"Rita Berkowitz" <ritaberk2O04 @aol.com> wrote in message
news:13j38runfm7ol4c@news.supernews.com...
> Bob Myers wrote:
>
>>> I'll go by my hands on real world findings till an authoritative
>>> source proves me wrong.
>>
>> Didn't take all that long, did it?
>
> Nope, but neither of these sites even remotely support your assertions.
You asserted that the color filter was a layer between the backlight
and the LCD panel (cell) proper; your exact words were:
"I've split apart many LCD panels and I've found the color
correction filters in between."
Please identify the "color correction filters" in any of the process
or panel/module diagrams shown.
> never was in dispute that an LCD panel is basically a filter with a
> polarizer on both sides. The issue that you conveniently dance around is
> the backlight assembly. The second website stops short of what goes into
> making the backlight. This is the crux of your misunderstanding since you
> fail to want to admit the LCD array is highly dependant on a corrected
> light
> source. Maybe the hair you are trying to split is manufactured in the
> backlight assembly? Either way, there *ARE* corrective filters in the
> light path between the backlight and LCD array.
Nope. There are diffusing layers, and there very often are
what are known as "brightness enhancement" films, which basically
serve to redirect the light forward. There's then a polarizing film
which is bonded to the "lower" substrate of the panel itself. Please
find me a "color corrective" filter in any of that. What is it you think
that this mythical "color corrective" filter DOES, exactly?
Bob M.
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