×

Rear-projection screen

  • US 4,979,800 A
  • Filed: 05/16/1989
  • Issued: 12/25/1990
  • Est. Priority Date: 09/28/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. A transparent rear-projection screen having a rear side comprising lenses for paralleling light coming from behind the screen, and having a front side comprising rectilinear, convex lenses wherein at essentially a mid-point of a plurality of adjacent convex lenses, projections are provided each of which projections has opposite side surfaces provided with light diffusing means for diffusing light incident thereto.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×