Disclosed is an elliptically polarizing plate comprising a polarizing film and an optical compensatory sheet provided, in which the compensatory sheet has an optically negative monoaxial property and a direction of a minimum retardation inclined at 5 to 50 degrees from the normal of the sheet. A process...http://www.google.se/patents/US5568290?utm_source=gb-gplus-sharePatent US5568290 - Elliptically polarizing plate comprising discotic liquid crystal and in which 30.ltoreq.[(NX+NY)/2--NZ].times.D.ltoreq.150![Patent US5568290 - Elliptically polarizing plate comprising discotic liquid crystal and in which 30.ltoreq.[(NX+NY)/2--NZ].times.D.ltoreq.150](http://www.google.se/patents?id=CsEhAAAAEBAJ&printsec=frontcover&img=1&zoom=1 "Patent US5568290 - Elliptically polarizing plate comprising discotic liquid crystal and in which 30.ltoreq.[(NX+NY)/2--NZ].times.D.ltoreq.150")
