Patent ID: 8928843
Filing Date: 2015-01-06
Classification: G02B,G02F

Abstract:
1. A rectangular liquid crystal display module comprising: a liquid crystal display element in which a liquid crystal cell is sandwiched between a pair of polarizing plates; an optical unit overlaid on the back face side of the liquid crystal display element; and a surface illuminant backlight of immediate beneath type or opposed edge light type overlaid on the back face side of the optical unit; wherein the optical unit is a rectangular layered structural member, comprising: wherein the optical sheet includes a resin substrate film having an optical anisotropy, the absolute value of the angle of the crystal orientation of the substrate film with respect to the transmission axial orientation of the reflection polarizing plate is π/8 or greater and 3π/8 or less, and the retardation value of the substrate film is 70 nm or greater and 320 nm or less; and wherein the reflection polarizing plate of the optical unit is a back face side-polarizing plate of the liquid crystal display element.