Patent ID: 6369862
Filing Date: 2002-04-09
Classification: H04N

Abstract:
A projection type color image display unit comprising:first, second and third substrates each having an optical shutter; at least one color separation circuit formed in each of said first, second and third substrates; at least one digitalizing circuit formed in each of said first, second and third substrates, said digitalizing circuit operatively connected to said color separation circuit; and at least one comparator for comparing signals output from the digitalizing circuits in said first, second and third substrates, said comparator formed in each of said first, second and third substrate; wherein a signal corresponding to red which is outputted from said digitalizing circuit in each of said first, second and third substrates is inputted to said comparator of said third substrate; wherein a signal corresponding to green which is outputted from said digitalizing circuit in each of said first, second and third substrates is inputted to said comparator of said second substrate; and wherein a signal corresponding to blue which is outputted from said digitalizing circuit in each of said first, second and third substrates is inputted to said comparator of said first substrate.