Patent · US Expired

Plasma color display screen with pixel matrix array

US6975287B2 · kind B2 · utility

2Cited by

4References

4Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Hans-Helmut Bechtel · Roetgen, DE
Wolfgang Busselt · Roetgen, DE
Harald Glaeser · Aachen, DE

Key dates

Filing date	May 10, 2002
Grant date	Dec 13, 2005
Priority date	—
Expiry date	Jun 6, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K11/7734
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A plasma color screen fitted with a carrier plate, a transparent front plate, a ribbed structure dividing the space between the carrier plate and the front plate into discharge cells filled with a gas, with one or more electrode arrays on the front plate and on the carrier plate to generate corona discharges in the discharge cells and with a segmented phosphor layer, which plasma color screen comprises a pixel matrix array in which are grouped discharge cells for red, green and blue to form a pixel, where each pixel comprises a discharge cell for blue which is common to two adjacent pixels.

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