Patent · US Expired

Methods and apparatus for spatial light modulation

US7417782B2 · kind B2 · utility

58Cited by
182References
66Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 2005
Grant dateAug 26, 2008
Priority date
Expiry dateSep 2, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/0078
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Improved apparatus and methods for spatial light modulation are disclosed which utilize optical cavities having both front and rear reflective surfaces. Light-transmissive regions are formed in the front reflective surface for spatially modulating light.

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