Patent ID: 7850313
Filing Date: 2010-12-14
Classification: G02B,G03B,H04N

Abstract:
1. A projection type image display apparatus, comprising: an image display element; a first lens group, being disposed in a light direction with respect to said image display element, which is configured to include a plural number of lenses; a second lens group, being disposed in a light direction with respect to said first lens group, which is configured to include a plural number of lenses; a reflection mirror, which is configured to reflect lights emitted from at least one of said first and second lens groups, so as to project upon said screen obliquely; a first mounting base, on which said first lens group is mounted; a second mounting base, on which said second lens group is mounted; and a chassis, which is configured to store said first and second lens group, said reflection mirror, and said first and second mounting bases; wherein said first mounting base is fixed at a bottom of said chassis, while said second mounting base is moveable.