Patent ID: 7202925
Filing Date: 2007-04-10
Classification: G02F

Abstract:
1. An optical film assembly for a liquid crystal display panel including a liquid crystal layer having a twist angle of about −10 degree to about +10 degree, the optical film assembly comprising: an upper polarizer disposed over an upper substrate of the liquid crystal display panel, the upper polarizer including an absorption axis forming at an angle of about 37 degree to about 57 degree in a clockwise direction with respect to a major axis of a liquid crystal of the liquid crystal layer, and the liquid crystal being disposed adjacent to the upper substrate; an upper λ/2 retardation film disposed between the upper substrate and the upper polarizer, the upper λ/2 retardation film including a first optical characteristics Δnd an upper λ/4 retardation film disposed between the upper substrate and the upper λ/2 retardation film, the upper λ/4 retardation film including a second optical characteristics Δnd wherein ‘Δn’, ‘d