Process for producing liquid crystal display panel by photolithography using microlenses

Claim 1

A process for producing a matrix-type liquid crystal display panel comprising a first substrate, a second substrate, a liquid crystal disposed between the first and second substrates so as to form a matrix of liquid crystal pixels, an array of micro-lenses formed on an outer surface of the first substrate so as to each correspond to one or a plurality of the matrix liquid crystal pixels, and a photomask disposed on an inner surface of the first substrate and comprising apertures aligned with the micro-lenses for defining said one or a plurality of the matrix liquid crystal pixels; said process comprising the steps of: forming a layer of positive-type photosensitive resin on the inner surface of the first substrate, exposing the positive-type photosensitive resin layer to light incident through the micro-lenses, and developing the exposed photosensitive resin layer to form said photomask having apertures at exposed parts of the photosensitive resin layer on the first substrate.