Patent ID: 8203672

Claim:
A liquid crystal display comprising: a liquid crystal display panel including a polarizing plate disposed on at least one surface thereof; a light guide plate disposed below the liquid crystal display panel and including reflective patterns which reflect light incident on the light guide plate toward the liquid crystal display panel; and a composite polarizing sheet disposed between the liquid crystal display panel and the light guide plate and including: a surface layer having a plurality of prism patterns which extend in a first direction and which are arranged substantially parallel to each other; and a reflective polarizing layer having a transmission axis oriented in a second direction other than the first direction, wherein the second direction is one of substantially parallel to or substantially perpendicular to a polarizing axis of the polarizing plate, wherein the second direction is not substantially parallel to or not substantially perpendicular to the first direction; wherein the second direction interacts the first direction at substantially 45 degree or substantially 135 degree.