Driving method for eliminating the contamination of displayed im

Details Driving method for eliminating the contamination of displayed im Driving method for eliminating the contamination of displayed im

1997-07-24

2000-05-30

Mis, David

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151694, 315291, H05B 4100, H05B 4136, G09G 310, G05F 300

Patent

active

060694505

ABSTRACT:
A method of driving DC plasma display panels according to a DC mode memory system is provided. According to the method, a compensation pulse for eliminating or reducing the contamination of a displayed image resulting from the application of a write pulse is applied to a position close to the write pulse. The method of the present invention has various advantages that the contamination of a displayed image generating in a direction normal to the display screen is eliminated or reduced; when the method is performed according to a DC mode memory system, the light-emission time can be concentrated to reduce the generation of false outlines so that the general image quality can be remarkably improved; and the electrical power required for the application of the maintenance pulse can be saved to thereby improve efficiency.

REFERENCES:
patent: 4152626 (1979-05-01), Hatta et al.
patent: 4479120 (1984-10-01), Ohba et al.
patent: 4691144 (1987-09-01), King et al.
Hiroshi Murakami, "A Color TV Display Using an 8-Inch Pulse Discharge Panel", The Journal of the Institute of Television Engineers of Japan, 1984, pp. 837-838.
T. Sakai, "Positive Column Cell PDP and its DC mode memory driving", The Institute of Electronics, Information and Communication Engineers, Technical Report of IEICE, EID96-21, 1996, pp. 51-56.

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