Patent · US Expired

Plasma picture sceen with a terbium(III)-activated phosphor

US6573654B2 · kind B2 · utility

6Cited by

6References

7Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Thomas Juestel · Aachen, DE
Hans-Helmut Bechtel · Roetgen, DE
Joachim Opitz · Aachen, DE

Key dates

Filing date	May 18, 2001
Grant date	Jun 3, 2003
Priority date	—
Expiry date	May 18, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01J2211/42
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A plasma picture screen comprises a front plate including a glass plate on which a dielectric layer and a protective layer are provided; a carrier plate provided with a phosphor layer including a red and a blue phosphor as well as a green Tb3+-activated phosphor, with a ribbed structure which subdivides the space between the front plate and the carrier plate into gas-filled plasma cells; and a green color filter layer. One or several electrode arrays are provided on the front plate and the carrier plate for generating corona discharges in the plasma cells.

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