Patent · US Expired

Spatial light modulator data refresh without tearing artifacts

US7173639B2 · kind B2 · utility

2Cited by
11References
29Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 2002
Grant dateFeb 6, 2007
Priority date
Expiry dateJan 1, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0276
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A pulse width modulation driven display such as a spatial light modulator, which updates pixel data between PWM periods of consecutive frames, to avoid tearing artifacts in the perceived display image.

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