Patent · US Expired

Systems for three-dimensional viewing using light polarizing layers

US5973831A · kind A · utility

31Cited by
14References
8Claims
0Family size

Inventors

Key dates

Filing dateJan 22, 1996
Grant dateOct 26, 1999
Priority date
Expiry dateJan 22, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2013/0081
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Systems for three-dimensional viewing aimed at full-color flat-screen binocular stereoscopic viewing without the use of eyeglasses for the viewer. According to the invention, light emanating from a display presenting a left image and a right image is directed only to the appropriate left or right eyes of a viewer using various combinations of light polarizing layers and layers of light rotating means.

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