Projection display apparatus
AssigneeSanyo Electric Co., Ltd.
InventorsTakashi IKEDA, Takahisa ANDO, Kiyoko TSUJI, Yusuke ITOH
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Abstract
A projection display apparatus includes a housing case housing a light source unit, a light valve, a projection unit, and a cooling unit. A size of the housing case in an orthogonal direction to a projection plane is smaller than a size of the housing case in a horizontal direction parallel to the projection plane. The projection unit is arranged at substantially center of the housing case in the horizontal direction parallel to the projection plane.
Claims5
A projection display apparatus which includes a housing case housing a solid light source, a light valve configured to modulate light emitted from the solid light source, a projection unit configured to project light emitted from the light valve on a projection plane, which is placed on a first placement surface substantially parallel to the projection plane or a second placement surface substantially orthogonal to the first placement surface, wherein
- the housing case has a base plate and a ceiling plate, the base plate facing the second placement face, the ceiling plate being provided on an opposite side to the base plate,
- the ceiling plate is provided with a recessed portion recessed inward of the housing case,
- the recessed portion has an inclined surface inclining downward toward the projection plane, and
- the inclined surface has a transmission area through which light emitted from the projection unit passes.
Dependencies are inferred from the claim text.