Patent · US Expired

Gamma correction of the viewing angle of liquid crystal display

US6297790A · kind A · utility

4Cited by
13References
1Claims
0Family size

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Key dates

Filing dateJan 8, 1999
Grant dateOct 2, 2001
Priority date
Expiry dateJan 8, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/068
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention is directed to a method and apparatus for adjusting the viewing angle of a liquid crystal display. In a preferred embodiment of the present invention, a plurality of digital-to-analog converters are arranged in pairs which have a fixed relationship. By determining appropriate values for the digital-to-analog converters, a desired viewing angle may be obtained for a liquid crystal display.

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