Patent ID: 8471966
Filing Date: 2013-06-25
Classification: G03B,H04N

Abstract:
1. A projection system comprising: a light source module for emitting a red light, a green light and a blue light; a light guide plate configured for optically combining the red light, the green light, and the blue light, the light guide plate comprising a first light incident surface, a first light output surface and a light reflection surface, the light source module aligned with the first light incident surface; a polarizing splitter (PBS) module comprising a polarizing splitter and a LCOS panel, the polarizing splitter comprising a second light incident surface facing to the first light output surface, a first mounting surface opposite to the second light incident surface, a second mounting surface connecting the second light incident surface and the first mounting surface, a second light output surface opposite to the second mounting surface, the polarizing splitter configured for reflection an s-polarization light and allowing a p-polarization light to pass therethrough, the LCOS panel positioned on the second mounting surface and configured for modulating the s-polarization light into light with display information signal and also reflecting the light with display information signal to a projection lens facing to the second light output surface; and a reflection device positioned on the first mounting surface and configured for reflection the p-polarization light passing through the PBS module into the projection lens for projecting, wherein the reflection device comprises a transparent glass and a reflection film coated on the transparent glass, the transparent glass is rectangular triangle in shape and comprises a first side, a second side, and a hypotenuse connected between the first and second sides, the first side is positioned on the first mounting surface of the polarizing splitter, the reflection film is coated on the hypotenuse.