Importance

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Abstract

A projector of the present disclosure includes a light source configured to emit first light, which is non-linearly polarized light, a polarization conversion unit configured to convert the first light into predetermined linearly polarized light, a light modulation device including a liquid crystal panel which modulates the predetermined linearly polarized light, and a superimposing optical system configured to superimpose the predetermined linearly polarized light on the liquid crystal panel. The polarization conversion unit includes a polarizing separator configured to separate the first light into second light and third light and a phase difference element configured to align polarization directions of the second light and the third light with the predetermined linearly polarized light. The polarizing separator includes a polarizing separation element and a reflection element, the polarizing separation element is provided in a tilted state with respect to a principal ray of the first light and separates the first light by reflecting a first linearly polarized light component in the first light toward the superimposing optical system as the second light and transmitting, as the third light, a second linearly polarized light component in the first light, and the reflection element reflects the third light made incident from the polarizing separation element toward the superimposing optical system.

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First Claim