Patent · US Expired

Flat type image display tube and display device using the same

US4703231A · kind A · utility

6Cited by
11References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1985
Grant dateOct 27, 1987
Priority date
Expiry dateJun 26, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J31/126
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a flat image display tube, a phosphor screen having an image display region and index region, a plurality of electron beam generators and a plurality of horizontal deflection electrodes are provided. The image display region has three primary color phosphor stripes and each is sequentially arranged alternately with black stripes in a horizontal direction. The index region is arranged adjacent to the image display region and has index phosphor stripes arranged in a predetermined relationship to the three primary color phosphor stripes.

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