Light modulator using large area light sources

A light modulation and exposure system comprising:

• a light source;
• a light sensitive material;
• a two dimensional light modulator containing a plurality of rows of light modulating cells;
• means of imaging said light source onto said light modulator;
• means of imaging said light modulator onto said light sensitive material;
• means of generating relative motion between image of said light modulator and said light sensitive material with the direction of said motion substantially perpendicular to direction of said rows of light modulating cells;
• means of shifting into the first of said rows the data to be imaged onto said light sensitive material and means of transferring said data from the first row to subsequent rows of said modulator at a rate keeping the image of any data pattern substantially stationary relative to said light sensitive material until data shifted out of the last of said rows, this sequence continuing until all data to be imaged has passed through said light modulator.