Patent ID: 7026100

Claim:
A process for fabricating an active matrix substrate, comprising: preparing a plate having an upper surface; laminating a multiple layered device structure on said upper surface for providing conductive layers forming parts of pixels; laminating an optically modulating structure on said multiple layered device structure for providing color filters to said parts of said pixels; covering said optically modulating structure with a photo-sensitive layer; exposing said photo-sensitive layer to an image-carrying light for producing at least two portions different in solubility to a developer; treating said photo-sensitive layer with said developer to form a protective layer having at least one protrusion projecting from a remaining portion thereof; and completing said active matrix substrate, wherein said covering said optically modulating structure comprises: forming a first photo-sensitive sub-layer of a first kind of photo-sensitive material over said optically modulating structure; and forming a second photo-sensitive sub-layer of a second kind of photo-sensitive material opposite in photo-sensitized property to said first kind of photo-sensitive material on said first photo-sensitive sub-layer, a mixture between said first kind of photo-sensitive material and said second photo-sensitive material being produced at the boundary between said first photo-sensitive sub-layer and said second photo-sensitive sub-layer.