| 摘要 |
A projector includes a screen; a reflection unit having at least one curved surface mirror disposed on the projection side of the screen; a bending mirror disposed before the reflection unit on the optical path and disposed on either the non-projection side of the screen or on an extension plane of the screen; a refraction unit disposed before the reflection unit on the optical path and having at least a part disposed on either the non-projection side of the screen or on the extension plane of the screen; and an image forming unit disposed before the refraction unit on the optical path and disposed on the non-projection side of the screen.
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