Heat, consistency in production,and quality persistence due the heat. As you may know, LCoS degrades over time where blue color goes kaput. Some manufacturers did overcome the problem, some could not. LG might be in the latter list. Also, BOM ( bill of material ) to make an LCOS is higher than other technologies, namely DLP. While DLP can use a single DMD chip with a color wheel, LCD can on only be of use with 3 panels - 1 for each color. Those are the main difficulties.
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Mike @ Mar 14th 2006 2:31AM
Heat, consistency in production,and quality persistence due the heat. As you may know, LCoS degrades over time where blue color goes kaput. Some manufacturers did overcome the problem, some could not. LG might be in the latter list.
Also, BOM ( bill of material ) to make an LCOS is higher than other technologies, namely DLP. While DLP can use a single DMD chip with a color wheel, LCD can on only be of use with 3 panels - 1 for each color. Those are the main difficulties.