| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection condensing system having a same polarity output function. SOLUTION: The projection condensing system having the same polarity output function includes a condensing module, a polarizing beam splitter module, a video display module, a reflector module, and a dichroic mirror. To be more specific, the system includes: the polarizing beam splitter module (PBS modules) that has at least three polarizing beam splitter prisms connected integrally with three corresponding end faces of the condensing module; the video display module that has at least three image display panels set on the other sides of the three corresponding polarizing beam splitter prisms; the reflector module that has at least three reflectors installed below the three corresponding polarizing beam splitter prisms; and the dichroic mirror installed in an angle of nip between two of the reflectors. A projection light beam having the same polarity is output by mutually using these modules in combination. COPYRIGHT: (C)2007,JPO&INPIT
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