Rear projection screen,screen coating and method

Abstract

Abstract A REAR PROJECTION SCREEN WHICH INCLUDES, ON THE REAR OR IMAGE-RECEIVING FACE THEREOF, A COATING COMPRISING A TRANSPARENT ORGANIC VEHICLE AND A SMALL PROPORTION OF A LIGHT-DIFFUSING SILICA MATERIAL PREFERABLY A SYNTHETIC, AMORPHOUS SILICA HAVING GENERALLY MICRON-SIZED PARTICLES, AND WHEREIN SUBSTANTIALLY ALL OF THE PARTICLES INCLDUE CAPILLARY PASSAGES THEREIN, AND WHEREIN A SUBSTANTIAL PROPORTION OF THE SILICA PARTICLES ARE HELD IN PLACE BY SAID VEHICLE AT THE OUTER SURFACE OF THE COATING IN A MANNER SUCH THAT AT LEAST PORTIONS OF THE PARTICLES ARE EXPOSED TO ATMOSPHERE, RATHER THAN BEING COMPLETLY EMBEDDED IN THE VEHICLE OF THE COATING MATERIAL.

Inventors

• 👤 Frank P Bennett

Bibliographic Details