Patent · US Expired

Microdisplay for portable communication systems

US7372447B1 · kind B1 · utility

135Cited by
158References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1997
Grant dateMay 13, 2008
Priority date
Expiry dateMar 3, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/3141
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED illumination system and cellular communication or processor circuits within a compact housing to provide communication devices such as pagers, telephones, televisions, and hand held computer devices with a compact high resolution video display.

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