Patent ID: 6525471
Filing Date: 2003-02-25
Classification: H01J

Abstract:
A plasma picture screen provided with a front plate (1) comprising a glass plate (3) on which a dielectric layer (4) and a protective layer (5) are provided, with a carrier plate (2) provided with a phosphor layer (9), with a ribbed structure (12) which subdivides the space between the front plate (1) and the carrier plate (2) into plasma cells, which are filled with a gas, and with one or several electrode arrays (6, 7, 10) on the front plate (1) and the carrier plate (2) for generating corona discharges in the plasma cells, characterized in that the protective layer (5) comprises a material chosen from the group of crystalline diamond, AlN, AlGaN, BN, and tetrahedral amorphous carbon.