Patent · US Active

Digital display system and method

US11765325B2 · kind B2 · utility

0Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2020
Grant dateSep 19, 2023
Priority date
Expiry dateJan 1, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/3188
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A system having a color filter having first and second segments. The first and second segments allow respective first and second wavelengths to pass through to a spatial light modulator. The first and second segments also reflect second and first wavelengths, respectively. The reflected first and second wavelengths are recycled and directed towards the color filter.

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