Patent ID: 8757818
Filing Date: 2014-06-24
Classification: G03B,H04N

Abstract:
1. A projection display apparatus comprising: a light source unit; and a projection unit, said light source unit including: said projection unit including: said light source unit and said projection unit are configured to be separable from and connectable to each other, said light source unit and said projection unit include a light source unit alignment mechanism and a projection unit alignment mechanism, respectively, capable of performing alignment so that an optical axis of said predetermined light condensing lens and an optical axis for an incident light beam set in said projection unit coincide with each other when said light source unit and said projection unit are coupled to each other, and said light source alignment mechanism includes a housing holding mechanism for coupling said light combining section to said light condensing lens housing, said housing holding mechanism having an elastic property for holding said light condensing lens housing slightly movable in relation to said light combining section.