| 摘要 |
A projection type display apparatus includes: a light source section including at least one light source for emitting coherent light; an image light generating section for modulating the light emitted from the light source section so as to generate image light; a projection section for projecting the image light; and a depolarization element for transmitting the incident light in a state that a polarization state of at least a part of the light is changed, the depolarization being provided on an optical path of the light emitted from the light source section, wherein a plurality of unit regions having a particular shape are aligned in the depolarization element. |
