OPTICAL SYSTEM AND DISPLAY DEVICE

原文（中国語）

An optical system forming an image of light from a display element includes a modulation unit individually polarization-modulating light from each portion of the display element so that the light from each portion of the display element becomes any polarized light of a plurality of polarized light beams having different polarization directions, and an optical path portion through which the light polarization-modulated by the modulation unit passes, in which the optical path portion is configured such that an optical path length of the light passing through the optical path portion varies depending on a polarization direction when the light is incident on the optical path portion.