Patent ID: 8520047

Claim:
A print head for forming a latent image on a photoconductor, comprising: an illumination unit including at least one light source configured to emit a light; a liquid crystal layer configured to selectively transmit the light received from the illumination unit to selected ones of pixels corresponding to the latent image according to an applied voltage; a microlens array formed of liquid crystal polymer, which has a birefringence index to condense or disperse light by using a refractive index difference according to a polarization of the light, the microlens array being configured to selectively focus the light passed through the liquid crystal layer onto the photoconductor; a first alignment layer formed in a lens shape on a first side of the microlens array, wherein the microlens array is formed between the first alignment layer and a side of the liquid crystal layer farthest from the illumination unit; and a second alignment layer formed adjacent a side of the liquid crystal layer closest to the illumination unit such that the liquid crystal arrangement is uniform and the liquid crystal arrangement deviation between the pixels decrease.