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Capacitive loaded drive circuit and plasma display device with said circuit

A capacitive load and drive circuit technology, applied in the field of ion display devices, can solve the problems of reducing the operating room of plasma display devices, abnormal current, screen flicker, etc.

Inactive Publication Date: 2004-10-13
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, if the pulse width of the sustain pulse is increased, it can lead to a reduction in time redundancy (margin) and an abnormal current, etc.
[0005] On the other hand, if the pulse width of the sustain pulse is reduced, noise may be superimposed on the rise and fall waveforms of the sustain voltage, thereby reducing the operating margin of the plasma display device and causing screen flicker to occur

Method used

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  • Capacitive loaded drive circuit and plasma display device with said circuit
  • Capacitive loaded drive circuit and plasma display device with said circuit
  • Capacitive loaded drive circuit and plasma display device with said circuit

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Embodiment Construction

[0050] Before describing in detail the preferred embodiments of the capacitive load driving circuit and the plasma display device according to the present invention, reference will be made below to Figure 1 to Figure 10 Capacitive load drive circuits and plasma display devices according to the prior art and their associated problems are described.

[0051] In recent years, plasma displays have been commercially implemented as displays replacing conventional CRTs due to their excellent clarity as self-luminous displays, their thin structures, and their ability to provide large-screen, fast-response displays.

[0052] figure 1 is a general configuration diagram schematically showing a plasma display device to which the present invention is applied; the plasma display device shown here is a conventional three-electrode surface discharge type AC plasma display device. figure 1 Among them, reference numeral 10 is a PDP, 11 is a first electrode (X electrode), 12 is a second electr...

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PUM

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Abstract

A capacitive load driving circuit has an input terminal, a front-edge delay circuit, a back-edge delay circuit, an amplifying circuit, and an output switch device driven by the amplifying circuit. The front-edge delay circuit delays a front edge of an input signal input via the input terminal, the back-edge delay circuit delays a back edge of the input signal, and the amplifying circuit amplifies a drive control signal obtained through the front-edge delay circuit and the back-edge delay circuit.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims priority from prior Japanese Patent Application No. 2003-106839 filed on April 10, 2003, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a capacitive load driving circuit and a plasma display device, in particular to a capacitive load driving circuit for driving capacitive loads such as pixels in plasma displays (PDPs) and a plasma display device. Background technique [0004] In recent years, plasma display devices have been commercially implemented as thin display devices. In a capacitive load driving circuit for driving a capacitive load such as a pixel in a plasma display, if the delay time is adjusted by a delay circuit, the pulse width of a sustain pulse may cause a variation. For example, if the pulse width of the sustain pulse is increased, it may result in a decrease in time margin, an occurren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/28G09G3/288G09G3/291G09G3/294G09G3/296G09G3/298G09G3/299H03K5/13H03K17/00H03K17/693
CPCG09G2310/0275G09G3/293G09G2330/024G09G3/2965E03C1/264E03C2201/40
Inventor 小野泽诚冈田义宪小泉治男
Owner HITACHI LTD