Patent ID: 7511794
Filing Date: 2009-03-31
Classification: G02F

Abstract:
1. A liquid crystal display (LCD) substrate comprising: a substrate; a black matrix layer formed on the substrate, and a first opening formed in the black matrix layer; a color filter formed on the black matrix layer, and a second opening formed in the color filter, wherein the first opening is positioned within the second opening and exposed by the second opening, and wherein the first opening defines a first step; a passivation layer disposed on the black matrix layer and the color filter, and formed along a profile of the first step, thereby forming a second step on the passivation layer; and at least one spacer formed on the passivation layer and along a profile of the second step of the passivation layer, thereby forming a third step on the spacer, wherein the spacer is positioned corresponding to the first opening and totally within the second opening.