Plasma display device and method for driving plasma display panel

Abstract

In order to generate stable write discharge while reducing unnecessary radiation including line radiation and housing radiation in a plasma display device, the plasma display device is provided with an image signal processing circuit, a data electrode drive circuit, and a timing generation circuit. In the image signal processing circuit, image data is generated on the basis of an image signal, and in the data electrode drive circuit, a write pulse is generated on the basis of the image data and also the write pulse is generated in timing synchronized with a write timing signal from the timing generation circuit. The data electrode drive circuit comprises a delay unit which delays the write timing signal, calculates, for each of data electrodes, the load capacity of the data electrode on the basis of the image data, and generates, for each of the data electrodes, the write pulse in timing synchronized with either the write timing signal that has not been yet delayed by the delay unit or the write timing signal which has been delayed by the delay unit on the basis of the calculated load capacity.

Description

technical field [0001] The present invention relates to an AC surface discharge type plasma display device and a driving method for a plasma display panel. Background technique [0002] Plasma display panel (hereinafter referred to as "panel"), the front substrate and the back substrate are arranged opposite to each other, the front substrate is formed with a plurality of display electrode pairs consisting of long scan electrodes and sustain electrodes in the row direction, and the back substrate A plurality of data electrodes that are longer in the column direction are formed, and discharge cells are formed at positions where the display electrode pairs and the data electrodes intersect each other (hereinafter simply referred to as "intersections"). Therefore, a plasma display device includes a scan electrode drive circuit, a sustain electrode drive circuit, and a data electrode drive circuit to drive the panel, and displays images by applying a required drive voltage wavef...

AI Technical Summary

Problems solved by technology

[0007] However, in recent years, the power consumption of plasma display devices has been increasing with the development of high-definition and large-scale panels.

Therefore, additional radiation such as line radiation of electromagnetic waves and cabinet radiation is also increasing. It is difficult to fully obtain the effect of reducing additional radiation only by the above method.

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