POLARIZATION REFLECTOR AND ITS MANUFACTURING METHOD AND PROJECTION DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a polarization reflector which is easily manufactured and is relatively low-cost, to provide a manufacturing method of the polarization reflector and to provide a projection display device which is capable of maintaining a projection picture quality at high level for a long time and is relatively low-cost.

SOLUTION: Inclined surfaces 2 opposing each other are arranged side by side in a light transmissive material 1 and polarization separation layers 3 are disposed on the inclined surfaces 2.

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