An organic EL array exposure head integrated with microlenses for
converging or diverging light from light-emitting parts is disclosed,
together with a method of fabricating the exposure head and an image
forming apparatus using the same. The organic EL array exposure head has
an array of organic EL light-emitting parts arranged in the form of at
least one row of pixels on a substrate of continuous length. A microlens
formed by ink-jet printing is provided over a surface of each organic EL
light-emitting part at a side thereof remote from the substrate.