Patent ID: 7280173

Claim:
A liquid crystal display device, comprising: a lower substrate; an upper substrate opposing the lower substrate; a liquid crystal layer disposed between the lower substrate and the upper substrate; a pixel region including pixels juxtaposed at a pixel pitch, the pixels each having a length and a width; and a reflective layer on an inner surface or an outer surface of the lower substrate, the reflective layer including an irregular surface including at least two types of different irregularity groups having different shapes or sizes, each irregularity group having substantially randomly arranged irregularities in plan view, the irregularity groups being substantially randomly arranged in plan view, the different irregularity groups each having a length that is shorter than the length or width of the pixels and a width that is shorter than the length or width of the pixels, and the at least two types of different irregularity groups being disposed within a single pixel in plan view.