Liquid crystal display having liquid crystal cell gap variation

摘要

A light control device includes a GH cell and a polarizer wherein a host material is made of a negative type liquid crystal whose dielectric anisotropy is negative and a guest material is made of a dichromatic positive type dye. The polarizer is provided at a side of light incident on the polarizer. A cell gap ranges from 2 mum to 4 mum, at least, in an effective light path.