Patent ID: 7764347

Claim:
A substrate for a liquid crystal display (LCD), comprising: a black matrix on a substrate having first, second, third and fourth sub-pixel regions, wherein the black matrix includes first, second, third and fourth openings corresponding to the first, second, third and fourth sub-pixel regions, respectively; first, second and third color filter patterns corresponding to the first, second and third openings, respectively; a first planarization layer on the first, second and third color filter patterns and filling the fourth opening, wherein a surface of the first planarization layer corresponding to the fourth opening is lower than a surface of the first planarization layer corresponding to the first, second and third openings; and a second planarization layer on the first planarization layer, wherein a top surface of the second planarization layer corresponding to the fourth opening is on a level with a top surface of the second planarization layer corresponding to the first, second and third openings.