Active silicon CMOS addressing matrices for light-valve projection displays

In the second part of this three-paper series, the design and the fabrication of monolithic active matrices for addressing metallized viscoelastic light-valve control layers are described together with the required external electronics. The active matrices were fabricated by means of standard silicon CMOS technology. Special matrix features are signal-handling capabilities of 30 V, optimized surface planarity and extremely low light sensitivity. The on-chip addressing circuitry exceeds HDTV speed requirements. Three identical matrix samples coated with metallized viscoelastic control layers were successfully demonstrated as spatial light modulators for the read-out light from a xenon are lamp in a full-colour schlieren-optical dark-field projection system. Results obtained with medium-sized active matrices are presented; larger matrix versions were already fabricated in small numbers, but not yet tested