Patent · US Active

High elastic modulus projection screen substrates

US9046755B2 · kind B2 · utility

8Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2013
Grant dateJun 2, 2015
Priority date—
Expiry dateSep 6, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B21/606
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A stiffening strip at selected edges of a screen may enable the use and mounting of a high-elastic modulus substrate screen material. Such screen materials may be engineered to provide polarization-preserving characteristics, and be applied to or part of the high-elastic modulus substrate. Furthermore, the stiffening strip may enable the use of screen vibration techniques to reduce speckle in display applications that use projection screens, particularly those display applications using illumination sources prone to speckle such as laser-based projection. The screen vibration may be provided by a vibrating device attached to the stiffening strip.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.