Plasma display apparatus, driving method thereof and driving IC

Abstract

The invention provides a plasma panel display device, a driving method thereof and a driving IC, which can realize the functions that cannot be realized by the current AC typed PDP device of a unilaterally driven holding circuit, such as, stabilizing power supply Va during holding period, inhibiting the discharge of a Y electrode and an A electrode during the reset period, normally realizing blunt wave rest between the Y electrode and the A electrode and effectively utilizing the power of inflow address power. In the course of maintaining the lighting of the AC typed PDP, by fixing the electrode on one side of a panel in a certain potential, and alternatively applying negative and positive voltage to the electrode on the other side of the panel, the device can convert the power of the inflow address power supply into other power supply and ensures the AC typed PDP to have uniform brightness, low consumption and long service life.

Description

technical field [0001] The present invention relates to a PDP (Plasma Display) device, a driving method thereof, and a driving IC. Background technique [0002] In recent years, AC-type plasma display devices have been rapidly popularized because they are larger and thinner than conventional CRT TVs. However, large screens have the problems of high power consumption and high cost. [0003] In the display panel of an AC plasma display, X electrodes and Y electrodes are arranged approximately parallel and alternately, and address electrodes (hereinafter referred to as A electrodes) intersect in a vertical direction with respect to the X electrodes and Y electrodes, forming a two-dimensional matrix. [0004] Figure 11 A conventional example of a plasma panel 1 (also referred to as a display panel) of an AC type PDP device and its main drive circuit is shown. In this circuit, the suction circuit is only located on the Y electrode side, and the potential of the X electrode is f...

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Problems solved by technology

[0008] However, the present inventors have found that there are disadvantages such as the following, that is, when the order is Figure 12 In such a drive circuit, the electric power flowing from the Y electrode into the A electrode during the clamping period is large, the potential of the power supply Va rises, etc., making it unstable, and the wall charge formation based on Va during the address period is different for each display cell, so uneven brightness

In addition, the present inventors also found the problem that not only weak discharge between Y electrode and X electrode but also discharge between Y electrode and A electrode occurs during reset, and positive blunt wave reset cannot be smoothly performed. conduct

In addition, it is also known that there is a problem that discharge between the Y electrode and the A electrode also occurs during the reset period and the holding period other than the address period, thereby damaging the phosphor formed on the A electrode side and contributing to deterioration of luminance.

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