Image devices

Details Image devices Image devices

1994-05-17

1995-08-22

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355228, 355 67, 359820, 347244, G03G 1504

Patent

active

054445205

ABSTRACT:
In an image device wherein rays from LED arrays are guided through single lenses to form an image, LED arrays are arranged on a base plate, single lenses are arranged on a lens plate, the distance between the base plate and the lens plate is kept constant by using a spacer, and the coefficients of thermal expansion of the lens plate, base plate and spacer are made virtually identical to each other.

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