Method and apparatus for controlling an image display having gas

Details Method and apparatus for controlling an image display having gas Method and apparatus for controlling an image display having gas

1993-12-23

1995-08-22

Neyzari, Ali

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

315209R, 315326, 313493, H05B 4116

Patent

active

054443350

ABSTRACT:
A gas discharge image display is formed by disposing a plurality of fluorescent lamps 1 each comprising a glass bulb 2 within which a rare gas is sealed, one or more pairs of external electrodes 5a and 5b located on the outer wall of the glass bulb 2, and a fluorescent layer 3 formed on the inner wall of the container facing the external electrodes 5a and 5b. An alternating voltage pulse is applied between the paired external electrodes 5a and 5b by an X drive circuit 9 and a Y drive circuit 10 for discharge light emission, thereby displaying an image. The pressure and alternating voltage in the fluorescent lamp 1 are changed in response to the type of fluorescent material, thereby making near light emission and discharge characteristics of the discharge lamps which differ in electric characteristics.

REFERENCES:
patent: 3903445 (1975-09-01), Bode et al.
patent: 4164678 (1979-08-01), Biazzo et al.
patent: 4924148 (1990-05-01), Schwartz
patent: 5013966 (1991-05-01), Saikatsu et al.
patent: 5034661 (1991-07-01), Sakurai et al.
patent: 5117160 (1992-05-01), Konda et al.
K. Ohwaki & Y. Yoshida "Plasma Display" Nov. 15, 1983.
Clark Bergman "Prospects of Multicolor Capabilities in Plasma Display using Tubulara Construction" pp. 78 & 79.

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