| 摘要 |
A projection television apparatus includes: a frame; a screen; and a projector unit, for emitting an image projection light beam onto the screen; wherein said projector unit includes; illuminating means, image forming means for modulating light beams by image information, and a projection lens; an optical axis of the image projection light beam exiting from the image forming means is bent to an optical axis of the projection lens; the screen has horizontal upper or lower edges; a support mechanism for supporting the projector unit the frame rotatably around a first axial line orthogonal to the optical axis of the projection lens and parallel to the upper or lower edge of the screen is provided; a trapezoidal distortion adjusting mechanism for adjusting an angle of rotation around the first axial line of the projector unit is provided; and a securing mechanism for the projector unit with the frame is provided.
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