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...why?
molblog

...why?, originally uploaded by molbl0g.



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I'm sure the purpose is better color reproduction, though evidently it's not particularly successful at achieving that.

http://www.youtube.com/watch?v=M4DK1Yx4R6k

That's why!

(Ok, fine, this means the ad worked. Dammit.)

Also: So, there's this big ol' lens sitting there and you didn't figure out a way to photograph through it? Hrmph.

Whereas my thought on seeing it was "Hey neat, she figured out a way to photograph the pixels through that lens". I guess it depends on what you mean by "through"?

BECAUSE MOAR IS ALWAYS BETTER, CITIZEN.

Because it's exclusive, duh.

LOL, yeah, it can't really increase the range of possible colors as it seems to imply.

But I can think of a practical engineering/cost reason for adding yellow pixels. Now that resolution and density for mass-produced monitors is plenty good enough, the additional cost to add a 4th sub-pixel should be minimal. Yellow is convenient because it's an efficient way to add more brightness to whites and skin-tones and pastels without requiring Red and Green to do all the work for that. If that translates to needing a bit less power from the backlight to get the same brightness, that usually also means longer life before it dims noticeably, or less expensive light sources being just as good. Nowadays LEDs are the rage as the white light source for LCD monitors, and white LEDs are particularly good at producing...you guessed it, the yellow part of the spectrum (as opposed to the red, which is weak by comparison).
But y'know, saying "It costs us a bit less to make it, but we charge you more for the novelty" just isn't good marketing.

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