is it with backlight off (but panel energised) perhaps, that result in
highly inflated numbers. 'dynamic contrast ratio' some call it.
/s
On Aug 13, 2009, at 8:47 PM, khen lim wrote:
> I appreciate the cynicism (really!) :) .... but seriously, there
> HAS to be
> a reason. For example, a 19" panel isn't exactly 19 inches but instead
> something more like 18.3" mainly because part of the panel is hidden
> by the
> outer bezel; so this IS the reason and the variance isn't big at
> all. The
> manufacturer can explain it as a way of rounding off a number. As for
> contrast ratio, 510:1 and 1000:1 is a HUGE difference. Surely.....
> K.
>
>
>
> 2009/8/14 Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
>
>>
>>
>>
>>
>>> khen lim <castanet.xiosnetworks@xxxxxxxxx> wrote:
>>>
>>> How interesting. Then I wonder why manufacturers are quoting the
>>> wrong
>>> contrast ratio given that your calculation shows that it's so
>>> radically
>>> different. Isn't that unethical? Or are their calculations arrived
>>> differently via an equally valid reasoning?
>>> K.
>>>
>>
>> The manufacturers use a different number - the "marketing contrast
>> ratio",
>> not based on any measurements.
>>
>> ...Wayne
>>
>> Wayne Harridge
>>
>> http://lrh.structuregraphs.com
>> --
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>
>
> --
> Khen Lim - Zone-10 LLC, Des Moines, Iowa, USA
>
> "To sin by silence when we should protest makes cowards of people” -
> Emily
> Cox
> "All our dreams can come true, if we have the courage to pursue
> them" - Walt
> Disney
> --
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