Patent · US Expired

Matrix type liquid crystal display

US4281324A · kind A · utility

15Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 1978
Grant dateJul 28, 1981
Priority date
Expiry dateOct 27, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/028
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a method for driving row electrodes (or column electrodes) of a matrix type liquid crystal display panel having a predetermined number of the row electrodes and a predetermined number of the column electrodes, different drive voltages are supplied to the row electrodes or the column electrodes so as to assure, the highest contrast despite different viewing or displaying positions.

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