×

Matrix-addressed gas-discharge display device for multi-colored data display

  • US 4,112,332 A
  • Filed: 04/01/1977
  • Issued: 09/05/1978
  • Est. Priority Date: 04/09/1976
  • Status: Expired due to Term
First Claim
Patent Images

1. A gas discharge display device for multicolored data display in three basic colors, comprising a gas-filled, gastight enclosure, a board-like matrix control structure, dividing the enclosure into two chambers, which is in the form of an insulating plate having a plurality of apertures therethrough, arranged in an array of coordinate lines corresponding in number to a desired number of image points, a plasma electrode disposed in one chamber, and a luminescent screen electrode disposed in the other chamber, the control structure having a plurality of auxiliary anode conductors disposed on the side of said plate facing said plasma electrode, and a plurality of control conductors disposed on the side of said plate facing said luminescent screen electrode, with each of the conductors extending around the edges of the associated apertures, each of the conductors on one side being associated with a row of apertures, and each of the conductors on the other side being associated with a column of apertures, the plasma electrode being so disposed that upon application of appropriate potentials to the respective conductors and plasma electrode a gas discharge can burn in the discharge chamber and the luminescent screen electrode is disposed sufficiently close to the adjacent conductors on the matrix member, than under such conditions even a few kV applied to such screen electrode cannot trigger any undesired gas discharge, the auxiliary anode conductors each containing a corresponding line of apertures with each three successive apertures being allotted to the three basic colors, and each third aperture being allotted to the same basic color, each control conductor interconnecting each successive aperture along the line in which such conductor extends, with each two successive apertures being allotted to two of the three basic colors and each second aperture being allotted to the same basic color, the color allocation for even-numbered auxiliary anodes is shifted relative to the odd-numbered auxiliary anodes by one aperture in the direction in which the auxiliary anodes extend.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×