Digital Light Processing : Adding Color
Digital Light Processing : Adding Color
Reference 2. What is DLP?
For example of an expressing a purple pixel, a reflector is adjusted as a penetration status (1) through a R (red) filter, thereby
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expressing a red pixel. In a G (green) filter, a reflector is adjusted as a non-penetration status (0), thereby expressing no color. In
a B (blue) filter, the same procedure is repeated for a while by penetrating light so that a purple, a combination color of a red and
a blue, is expressed.
According to the above figure, a formula in order to express a purple from a pixel using a combination of DMD and filter
operation is R*1+G*0+B*1+R*1 +G*0+B*1……If the principle is applied, many color combinations can be made thereby
Principle of a color expression using a color filter and DMD
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creating various colors. Therefore, a color expression using DMD is done purely based upon a digital method.
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