A compact, light projection type image display apparatus based on reflection image display devices which provide high brightness without contrast deterioration caused by light leakage associated with black image display. The apparatus uses, as polarizers/analyzers for reflection image display devices,...http://www.google.de/patents/US7246907?utm_source=gb-gplus-sharePatent US7246907 - Projection type image display apparatus using reflective image display elements, reflective polarizing plates and auxiliary analyzers
