The TW700 is based on Epson’s 3LCD technology, which stands as the main
rival to Texas Instruments DLP. Light from the lamp is shone though
three separate high-temperature polysilicon LCD panels, a red, green,
and blue, and the image then recombined before being projected outwards
by the lens. There’s a cool animation of this affect on the Epson
website. Epson, claims that 3LCD gives a better image than DLP, as each
colour is present the whole time in the image, as opposed to DLP, which
uses tiny rotating mirrors into fooling the eye that the colours are
always there, leaving it susceptible to the ‘rainbow’ image that some
users claim to see. I think of it as the difference between a
progressive and an interlaced image, but in terms of colour.
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