| 摘要 |
In a scanning type image display apparatus, in which the shape of a reflecting surface of a mirror as a scanning unit and the spot shape of a light beam on the reflecting surface are adapted to each other to reduce the mirror size and increase the resonance frequency of the mirror, thereby enabling higher-resolution image display, the scanning type image display apparatus includes a laser light source emitting a light beam; and a scanning unit that pivots to scan the light beam in a first direction and a second direction substantially perpendicular to the first direction. A pivot width of the light beam in the first direction is larger than a pivot width of the light beam in the second width. A sectional shape of the light beam in the vicinity of the scanning unit is elliptical with a side (1041) in the first direction longer than a side (1042) in the second direction. The longer side is substantially parallel to the first direction of the scanning unit.
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