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Rear projection display apparatus and transmission type screen

  • US 7,554,729 B2
  • Filed: 02/16/2007
  • Issued: 06/30/2009
  • Est. Priority Date: 03/01/2006
  • Status: Expired due to Fees
First Claim
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1. A rear projection display apparatus comprising:

  • an apparatus main body;

    a transmission type screen on the front face of the apparatus main body; and

    a video projector inside the apparatus main body and projecting video on the transmission type screen from the rear side thereof;

    wherein the transmission type screen includes;

    a lens sheet having upper and lower sides, a rib attached to the upper side, and a rib attached to the lower side, the ribs having increased thickness, and the ribs comprising laminated sheets, andan upper bracket and a lower bracket attached to the lens sheet so as to retainably embrace the ribs,wherein the upper bracket is fixed to a frame on a side of the apparatus main body, whereby the lens sheet is installed so as to be pulled downward by the weight of the lower bracket.

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