Short for Liquid Crystal on Silicon, it is micro-display
technology related to LCD, where liquid crystal material has a
twisted-nematic structure but is sealed directly to the surface
of a silicon chip. * The electronic drivers controlling the
crystals' alignment are etched into the silicon. Using these,
several million pixels can fit in an area as small as one square
inch. The chip is coated with an aluminized layer, which means
that LCoS is highly reflective allowing more light to pass on.
[Adapted from Digital Home magazine] There are two classes of
LCOS. - In a single-chip system, light is filtered through a
color-wheel system where the sequence of colors produced is
coordinated with the modulation of light by the liquid crystals,
producing subtle color variations. - In a three-chip system LCoS
uses a system of prisms to split a single light source into its
red, green and blue components. Video modulations are applied
individually to the three resulting light paths, which are then
recombined by another pr