Patent · US Expired

Planar display device

US4822142A · kind A · utility

68Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 23, 1986
Grant dateApr 18, 1989
Priority date
Expiry dateDec 23, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2310/0297
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A planar display device is disclosed, which comprises a plurality of display elements in rows and columns, row drive lines each commonly connected to two adjacent rows of display elements and column drive lines are provided in pairs each for each column of display elements, every other one of the display elements in a column being connected to one of the pair of column drive lines, and the other display elements in the column being connected to the other column drive lines in the pair. Each of the display elements is selectively activated by the row and column drive lines connected thereto.

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