Fluorescent Dot Array

Abstract

We developed a new type of solid state array: Fluorescent Dot Array (FLDA) for the light source of photoprinter. It is essentially a one-dimensional vacuum nuorescent display (VFD), which operates with low drive current and voltage.
Its features are high luminescent efficiency and fine/uniform fluorescent dot size with 300 dpi over the length of 8.5 inches. The photoprint head has been realized with compact and low cost, using a Roof Mirror Lens Array (RMLA) for a unity magnification imaging device and high density/speed wire-bonding technology for IC-mounting.