Patent · US Expired

Arrangement for displaying images using light emitting diodes

US4365244A · kind A · utility

40Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1981
Grant dateDec 21, 1982
Priority date
Expiry dateMar 25, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F9/33
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An arrangement for displaying images using light emitting diodes comprises two types of modules arranged to form a square matrix with the modules of one diagonal being of the first type and the remaining modules being of the second type, the first type having the same number of horizontal and column lines with each horizontal line connected to only one column line and the remaining crossing points having light emitting diodes connected between the horizontal and column lines and the second type having the same number of horizontal and column lines as the first type and light emitting diodes connected between horizontal and column lines at each crossing point.

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