I can see how that might be beneficial to the, what, .00001% of women who have four color receptors in their eyes, but how does it make anything better for the rest of us?
Saw that on over the weekend. I don't care about the damned TV. Takei rocks for doing that commercial.
Sounds like a big load of snake oil to me. The human eye can percieve red, blue and green only. All other colours are a combination of those three, interpreted in the brain. If a TV can reproduce those three colours (and they can obviously) it can produce any and every colour that the human eye can see and that the human brain can understand. You don't need "yellow pixels". Our eyes can't see yellow. Yellow is a combination of a certain level of red light and a certain level of green light.
There is so much wrong with this post, both from an optical physics standpoint and a biological standpoint, that I don't even know where to begin!
There is nothing wrong with it. The human eye contains receptors that are sensitive to red light, others sensitive to blue, and others sensitive to green. But no receptors specifically sensitive to yellow light. When actual yellow light strikes the eye it partially stimulates the receptors whose place on the "colour wheel" as it were, falls to either side of yellow. This is red and green. The closer the spectra of the yellow light to red (for example) the more intensely it will stimulate the red receptors and the less intensely it will stimulate the green, and the more "reddish" the colour will look - so you get orange rather than yellow, and so on. Hence, since the eye cannot actually specifically see yellow light itself, but automatically infers it from the degree of stimulation of the spectrally adjacent red and green, the addition to a display of elements specifically emitting yellow light will achieve nothing. It still has to work by stimulating the red and green receptors to "make" yellow in the visual cortex. Which means you might as well stick with what you already have - displays which are geared to the human eye, and when they want you to see yellow, generate red and green in proportions which the red and green receptors of the eye will recieve and the visual cortex will interpret as the desired shade of yellow. This is just another snake oil salesman scheme to make money from gullible people, the same as inch thick gold plated Monster hdmi cables costing 50 - 100 times as much as a cheap internet-ordered no-name one that does exactly the same job with the DIGITAL (i.e. if it gets thru at all it's as good as it can be) signal.
Do you understand that light itself is actually a continuous spectrum of energy, and not just a simple "mix and match" recipe of individual colors to make a different color? You are completely mistaken when you say that human eyes cannot detect yellow light by itself. The "M" and the "L" cones actually detect yellow light quite well, the "L" cones detecting it a little better than the "M" cone.
CD is right on this one, adding yellow does have the potential to improve color quality, if used properly. Now, whether or not this TV actually uses it in any meaningful way is another question entirely. Saying that "we can only see RGB anyway!" is simply ignorant, and shows a lack of understanding of the concept of chromaticity, as well as human biology.
