A homeotropic liquid crystal display device compensated for the anisotropy of the homeotropically oriented nematic liquid crystal layer, by anisotropy compensating means comprising at least two anisotropic (e.g. uniaxial) films having their optic axes disposed to form a right angle in a plane parallel...http://www.google.com.au/patents/US5039185?utm_source=gb-gplus-sharePatent US5039185 - Homeotropic liquid crystal display device
