A liquid crystal display with an improved viewing angle is disclosed which prevents gray scale inversion within a range of 60.degree. in every direction because the change of a gray level according to the viewing angle is small. Light transmitted through the liquid crystal is scattered by...http://www.google.de/patents/US5691788?utm_source=gb-gplus-sharePatent US5691788 - LCD having a polarization or diffusion plate with an irregularly coated first opaque material and a black matrix of a second opaque material 
