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Plasma display panel, method and device for driving same

A display panel and ion display technology, applied to static indicators, instruments, etc., can solve the problems of limiting the maintenance cycle time, reducing the maximum brightness of plasma displays, etc.

Inactive Publication Date: 2007-10-31
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, when the load on the PDP is light, the long reset period limits the duration of the sustain cycle, reducing the maximum brightness of the PDP

Method used

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  • Plasma display panel, method and device for driving same
  • Plasma display panel, method and device for driving same
  • Plasma display panel, method and device for driving same

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Embodiment Construction

[0021]FIG. 4 is a block diagram of a driving device for a plasma display according to an embodiment of the present invention. The driving device includes a control circuit 40 , a scan driver 42 , a sustain driver 44 , and an address driver 46 . The control circuit 40 receives the video signal, transmits the clock pulse CLOCK, the vertical synchronous signal VSYNC, and the horizontal synchronous signal HSYNC, and transmits display data and control signals to other controllers. The address driver 46 drives the data electrode D during the address period 1 to D m , to write display data into the display unit 48, wherein the display unit 48 is located at the corresponding data electrode D 1 to D m , scanning electrode Y 1 to Y n And the junction of the sustain electrode X. The scan driver 42 drives the scan electrodes Y 1 to Y n , and provide reset pulse, scan pulse and sustain pulse to scan electrode Y 1 to Y n . The sustain driver 44 drives the sustain electrodes X, an...

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Abstract

The invention relates to the driving equipment used to drive the plasma display panel. The plasma display panel possesses multiple display units, the first electrode and the second electrode. What' more, the equipment is composed of the load calculating circuit, the pulse width calculating circuit and the driving circuit. The load calculating circuit tests the number of the lightened display units in the holding period. The pulse width calculating circuit acquires the width of the reset pulse according to the number of the lightened display units. The driving circuit provides the reset pulse between the first electrode and the second electrode.

Description

technical field [0001] The present invention relates to a method and device for driving a plasma display panel, in particular to a plasma display driving device and its driving method. Background technique [0002] The AC memory type plasma display has many advantages such as a large display screen, high display capability, and high reliability. Therefore, plasma displays are widely used in various electronic devices. According to the driving method of the existing plasma display, a frame (frame) is divided into multiple sub-fields (SUB field, also known as the sub-field), taking the 256-color grayscale plasma display as an example, the display operation of each frame is performed by 8 The display operation consists of subfields SF0-SF7 in a predetermined order, as shown in Figure 1A. The display operation of each subfield is completed by three steps of reset, address, and sustain. The driving period of the plasma display includes a reset period, an address period and a s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/28G09G3/288
Inventor 许宏彬
Owner AU OPTRONICS CORP
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