Rear projection display apparatus and transmission type screen
AssigneeSony Corporation
InventorsYasufumi Ogawa, Takaaki Iwaki, Yoshihiro Hagiwara
Life of this patent
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Abstract
In a rear projection display apparatus including a transmission type screen installed on the front face of an apparatus main body, and a video projector disposed inside the apparatus main body and projecting video on the transmission type screen from the rear side thereof, the transmission type screen includes a lens sheet and is configured such that a plurality of pull portions provided along horizontal and longitudinal sides of the lens sheet are pulled upward and downward, and leftward and rightward, respectively, by a pulling device provided to extend along the circumference of the lens sheet.
Claims12
A rear projection display apparatus, comprising:
- a main body;
- a transmission type screen on a front face of the main body;
- a video projector inside the main body for projecting a video image on the transmission type screen from a rear side thereof;
- a pulling device;
- and
- a frame body;
- wherein the transmission type screen includes a lens sheet with a plurality of pull portions provided along horizontal and longitudinal sides of the lens sheet, the pull portions being pulled up, down, left, and right, respectively, by the pulling device which extends along a circumference of the lens sheet, and
- wherein the frame body is pressed against a portion of the lens sheet inside the plurality of pull portions.
A transmission type screen installed on a front face of a rear projection display apparatus, comprising:
- a lens sheet with a plurality of pull portions,
- wherein the plurality of pull portions are provided along horizontal and longitudinal sides of the lens sheet, the pull portions being pulled up, down, left, and right, respectively, by a pulling device which extends along a circumference of the lens sheet, and
- wherein a frame body is pressed against a portion of the lens sheet inside the plurality of pull portions.
Dependencies are inferred from the claim text.