Electronic Visual Display - Emission and Control of Colors

Emission and Control of Colors

Colors can be generated by selective emission, by selective absorption, transmission or by selective reflection.

Color emission and control
additive mixing
primary colors add up to produce white light
subtractive mixing
filters, dyes, pigments (e.g.printing) subtract (absorb) parts of white light
temporal mixing (additive)
e.g. rotating primary color filter wheel in projectors
spatial mixing (additive)
closely spaced sub-pixels
spatio temporal color mixing
combined spatial and temporal mixing
arrangement of sub-pixels
for additive color mixing
see sub-pixel arrangements 1
see sub-pixel arrangements 2
see sub-pixel arrangements 3
subtractive color mixing does not require special sub-pixel arrangements
all components (e.g. filters) have to be in the same path of light.
Examples:
stripe
delta-nabla
PenTile arrangement, e.g. RGB+White

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